Ejemplo n.º 1
0
/**
 * Query format support for creating a texture, drawing surface, etc.
 * \param format  the format to test
 * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 */
static boolean
virgl_is_format_supported( struct pipe_screen *screen,
                                 enum pipe_format format,
                                 enum pipe_texture_target target,
                                 unsigned sample_count,
                                 unsigned bind)
{
   struct virgl_screen *vscreen = virgl_screen(screen);
   const struct util_format_description *format_desc;
   int i;

   assert(target == PIPE_BUFFER ||
          target == PIPE_TEXTURE_1D ||
          target == PIPE_TEXTURE_1D_ARRAY ||
          target == PIPE_TEXTURE_2D ||
          target == PIPE_TEXTURE_2D_ARRAY ||
          target == PIPE_TEXTURE_RECT ||
          target == PIPE_TEXTURE_3D ||
          target == PIPE_TEXTURE_CUBE ||
          target == PIPE_TEXTURE_CUBE_ARRAY);

   format_desc = util_format_description(format);
   if (!format_desc)
      return FALSE;

   if (util_format_is_intensity(format))
      return FALSE;

   if (sample_count > 1) {
      if (!vscreen->caps.caps.v1.bset.texture_multisample)
         return FALSE;
      if (sample_count > vscreen->caps.caps.v1.max_samples)
         return FALSE;
   }

   if (bind & PIPE_BIND_VERTEX_BUFFER) {
      return virgl_is_vertex_format_supported(screen, format);
   }

   if (bind & PIPE_BIND_RENDER_TARGET) {
      if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      /*
       * Although possible, it is unnatural to render into compressed or YUV
       * surfaces. So disable these here to avoid going into weird paths
       * inside the state trackers.
       */
      if (format_desc->block.width != 1 ||
          format_desc->block.height != 1)
         return FALSE;

      {
         int big = format / 32;
         int small = format % 32;
         if (!(vscreen->caps.caps.v1.render.bitmask[big] & (1 << small)))
            return FALSE;
      }
   }

   if (bind & PIPE_BIND_DEPTH_STENCIL) {
      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;
   }

   /*
    * All other operations (sampling, transfer, etc).
    */

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
      if (util_format_s3tc_enabled)
         goto out_lookup;
      return FALSE;
   }
   if (format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
      goto out_lookup;
   }

   if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
      goto out_lookup;
   } else if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
      goto out_lookup;
   }

   /* Find the first non-VOID channel. */
   for (i = 0; i < 4; i++) {
      if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
         break;
      }
   }

   if (i == 4)
      return FALSE;

   /* no L4A4 */
   if (format_desc->nr_channels < 4 && format_desc->channel[i].size == 4)
      return FALSE;

 out_lookup:
   {
      int big = format / 32;
      int small = format % 32;
      if (!(vscreen->caps.caps.v1.sampler.bitmask[big] & (1 << small)))
         return FALSE;
   }
   /*
    * Everything else should be supported by u_format.
    */
   return TRUE;
}
/* Common processing for r600_texture_create and r600_texture_from_handle */
static struct r600_texture *
r600_texture_create_object(struct pipe_screen *screen,
			   const struct pipe_resource *base,
			   unsigned pitch_in_bytes_override,
			   struct pb_buffer *buf,
			   struct radeon_surf *surface)
{
	struct r600_texture *rtex;
	struct r600_resource *resource;
	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;

	rtex = CALLOC_STRUCT(r600_texture);
	if (rtex == NULL)
		return NULL;

	resource = &rtex->resource;
	resource->b.b = *base;
	resource->b.vtbl = &r600_texture_vtbl;
	pipe_reference_init(&resource->b.b.reference, 1);
	resource->b.b.screen = screen;
	rtex->pitch_override = pitch_in_bytes_override;

	/* don't include stencil-only formats which we don't support for rendering */
	rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));

	rtex->surface = *surface;
	if (r600_setup_surface(screen, rtex, pitch_in_bytes_override)) {
		FREE(rtex);
		return NULL;
	}

	/* Tiled depth textures utilize the non-displayable tile order.
	 * This must be done after r600_setup_surface.
	 * Applies to R600-Cayman. */
	rtex->non_disp_tiling = rtex->is_depth && rtex->surface.level[0].mode >= RADEON_SURF_MODE_1D;

	if (rtex->is_depth) {
		if (!(base->flags & (R600_RESOURCE_FLAG_TRANSFER |
				     R600_RESOURCE_FLAG_FLUSHED_DEPTH)) &&
		    !(rscreen->debug_flags & DBG_NO_HYPERZ)) {

			r600_texture_allocate_htile(rscreen, rtex);
		}
	} else {
		if (base->nr_samples > 1) {
			if (!buf) {
				r600_texture_allocate_fmask(rscreen, rtex);
				r600_texture_allocate_cmask(rscreen, rtex);
				rtex->cmask_buffer = &rtex->resource;
			}
			if (!rtex->fmask.size || !rtex->cmask.size) {
				FREE(rtex);
				return NULL;
			}
		}
		if (rtex->surface.dcc_size)
			vi_texture_alloc_dcc_separate(rscreen, rtex);
	}

	/* Now create the backing buffer. */
	if (!buf) {
		if (!r600_init_resource(rscreen, resource, rtex->size,
					rtex->surface.bo_alignment, TRUE)) {
			FREE(rtex);
			return NULL;
		}
	} else {
		resource->buf = buf;
		resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf);
		resource->gpu_address = rscreen->ws->buffer_get_virtual_address(resource->cs_buf);
		resource->domains = rscreen->ws->buffer_get_initial_domain(resource->cs_buf);
	}

	if (rtex->cmask.size) {
		/* Initialize the cmask to 0xCC (= compressed state). */
		r600_screen_clear_buffer(rscreen, &rtex->cmask_buffer->b.b,
					 rtex->cmask.offset, rtex->cmask.size,
					 0xCCCCCCCC, true);
	}

	/* Initialize the CMASK base register value. */
	rtex->cmask.base_address_reg =
		(rtex->resource.gpu_address + rtex->cmask.offset) >> 8;

	if (rscreen->debug_flags & DBG_VM) {
		fprintf(stderr, "VM start=0x%"PRIX64"  end=0x%"PRIX64" | Texture %ix%ix%i, %i levels, %i samples, %s\n",
			rtex->resource.gpu_address,
			rtex->resource.gpu_address + rtex->resource.buf->size,
			base->width0, base->height0, util_max_layer(base, 0)+1, base->last_level+1,
			base->nr_samples ? base->nr_samples : 1, util_format_short_name(base->format));
	}

	if (rscreen->debug_flags & DBG_TEX ||
	    (rtex->resource.b.b.last_level > 0 && rscreen->debug_flags & DBG_TEXMIP)) {
		printf("Texture: npix_x=%u, npix_y=%u, npix_z=%u, blk_w=%u, "
		       "blk_h=%u, blk_d=%u, array_size=%u, last_level=%u, "
		       "bpe=%u, nsamples=%u, flags=0x%x, %s\n",
		       rtex->surface.npix_x, rtex->surface.npix_y,
		       rtex->surface.npix_z, rtex->surface.blk_w,
		       rtex->surface.blk_h, rtex->surface.blk_d,
		       rtex->surface.array_size, rtex->surface.last_level,
		       rtex->surface.bpe, rtex->surface.nsamples,
		       rtex->surface.flags, util_format_short_name(base->format));
		for (int i = 0; i <= rtex->surface.last_level; i++) {
			printf("  L %i: offset=%"PRIu64", slice_size=%"PRIu64", npix_x=%u, "
			       "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
			       "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
			       i, rtex->surface.level[i].offset,
			       rtex->surface.level[i].slice_size,
			       u_minify(rtex->resource.b.b.width0, i),
			       u_minify(rtex->resource.b.b.height0, i),
			       u_minify(rtex->resource.b.b.depth0, i),
			       rtex->surface.level[i].nblk_x,
			       rtex->surface.level[i].nblk_y,
			       rtex->surface.level[i].nblk_z,
			       rtex->surface.level[i].pitch_bytes,
			       rtex->surface.level[i].mode);
		}
		if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
			for (int i = 0; i <= rtex->surface.last_level; i++) {
				printf("  S %i: offset=%"PRIu64", slice_size=%"PRIu64", npix_x=%u, "
				       "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
				       "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
				       i, rtex->surface.stencil_level[i].offset,
				       rtex->surface.stencil_level[i].slice_size,
				       u_minify(rtex->resource.b.b.width0, i),
				       u_minify(rtex->resource.b.b.height0, i),
				       u_minify(rtex->resource.b.b.depth0, i),
				       rtex->surface.stencil_level[i].nblk_x,
				       rtex->surface.stencil_level[i].nblk_y,
				       rtex->surface.stencil_level[i].nblk_z,
				       rtex->surface.stencil_level[i].pitch_bytes,
				       rtex->surface.stencil_level[i].mode);
			}
		}
	}
	return rtex;
}
/* Translate a pipe_format into a useful texture format for sampling.
 *
 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
 * but the majority of them is translated in a generic way, automatically
 * supporting all the formats hw can support.
 *
 * R300_EASY_TX_FORMAT swizzles the texture.
 * Note the signature of R300_EASY_TX_FORMAT:
 *   R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
 *
 * The FORMAT specifies how the texture sampler will treat the texture, and
 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
uint32_t r300_translate_texformat(enum pipe_format format,
                                  const unsigned char *swizzle_view,
                                  boolean is_r500,
                                  boolean dxtc_swizzle)
{
    uint32_t result = 0;
    const struct util_format_description *desc;
    unsigned i;
    boolean uniform = TRUE;
    const uint32_t sign_bit[4] = {
        R300_TX_FORMAT_SIGNED_W,
        R300_TX_FORMAT_SIGNED_Z,
        R300_TX_FORMAT_SIGNED_Y,
        R300_TX_FORMAT_SIGNED_X,
    };

    desc = util_format_description(format);

    /* Colorspace (return non-RGB formats directly). */
    switch (desc->colorspace) {
        /* Depth stencil formats.
         * Swizzles are added in r300_merge_textures_and_samplers. */
        case UTIL_FORMAT_COLORSPACE_ZS:
            switch (format) {
                case PIPE_FORMAT_Z16_UNORM:
                    return R300_TX_FORMAT_X16;
                case PIPE_FORMAT_X8Z24_UNORM:
                case PIPE_FORMAT_S8_UINT_Z24_UNORM:
                    if (is_r500)
                        return R500_TX_FORMAT_Y8X24;
                    else
                        return R300_TX_FORMAT_Y16X16;
                default:
                    return ~0; /* Unsupported. */
            }

        /* YUV formats. */
        case UTIL_FORMAT_COLORSPACE_YUV:
            result |= R300_TX_FORMAT_YUV_TO_RGB;

            switch (format) {
                case PIPE_FORMAT_UYVY:
                    return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
                case PIPE_FORMAT_YUYV:
                    return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
                default:
                    return ~0; /* Unsupported/unknown. */
            }

        /* Add gamma correction. */
        case UTIL_FORMAT_COLORSPACE_SRGB:
            result |= R300_TX_FORMAT_GAMMA;
            break;

        default:
            switch (format) {
                /* Same as YUV but without the YUR->RGB conversion. */
                case PIPE_FORMAT_R8G8_B8G8_UNORM:
                    return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
                case PIPE_FORMAT_G8R8_G8B8_UNORM:
                    return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
                default:;
            }
    }

    /* Add swizzling. */
    /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
    if (format != PIPE_FORMAT_RGTC1_SNORM &&
        format != PIPE_FORMAT_LATC1_SNORM) {
        if (util_format_is_compressed(format) &&
            dxtc_swizzle &&
            format != PIPE_FORMAT_RGTC2_UNORM &&
            format != PIPE_FORMAT_RGTC2_SNORM &&
            format != PIPE_FORMAT_LATC2_UNORM &&
            format != PIPE_FORMAT_LATC2_SNORM) {
            result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
                                                TRUE);
        } else {
            result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
                                                FALSE);
        }
    }

    /* S3TC formats. */
    if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
        if (!util_format_s3tc_enabled) {
            return ~0; /* Unsupported. */
        }

        switch (format) {
            case PIPE_FORMAT_DXT1_RGB:
            case PIPE_FORMAT_DXT1_RGBA:
            case PIPE_FORMAT_DXT1_SRGB:
            case PIPE_FORMAT_DXT1_SRGBA:
                return R300_TX_FORMAT_DXT1 | result;
            case PIPE_FORMAT_DXT3_RGBA:
            case PIPE_FORMAT_DXT3_SRGBA:
                return R300_TX_FORMAT_DXT3 | result;
            case PIPE_FORMAT_DXT5_RGBA:
            case PIPE_FORMAT_DXT5_SRGBA:
                return R300_TX_FORMAT_DXT5 | result;
            default:
                return ~0; /* Unsupported/unknown. */
        }
    }

    /* RGTC formats. */
    if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
        switch (format) {
            case PIPE_FORMAT_RGTC1_SNORM:
            case PIPE_FORMAT_LATC1_SNORM:
            case PIPE_FORMAT_LATC1_UNORM:
            case PIPE_FORMAT_RGTC1_UNORM:
                return R500_TX_FORMAT_ATI1N | result;

            case PIPE_FORMAT_RGTC2_SNORM:
            case PIPE_FORMAT_LATC2_SNORM:
                result |= sign_bit[1] | sign_bit[0];
            case PIPE_FORMAT_RGTC2_UNORM:
            case PIPE_FORMAT_LATC2_UNORM:
                return R400_TX_FORMAT_ATI2N | result;

            default:
                return ~0; /* Unsupported/unknown. */
        }
    }

    /* This is truly a special format.
     * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
     * in the sampler unit. Also known as D3DFMT_CxV8U8. */
    if (format == PIPE_FORMAT_R8G8Bx_SNORM) {
        return R300_TX_FORMAT_CxV8U8 | result;
    }

    /* Integer and fixed-point 16.16 textures are not supported. */
    for (i = 0; i < 4; i++) {
        if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
            ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
              desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
             (!desc->channel[i].normalized ||
              desc->channel[i].pure_integer))) {
            return ~0; /* Unsupported/unknown. */
        }
    }

    /* Add sign. */
    for (i = 0; i < desc->nr_channels; i++) {
        if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
            result |= sign_bit[i];
        }
    }

    /* See whether the components are of the same size. */
    for (i = 1; i < desc->nr_channels; i++) {
        uniform = uniform && desc->channel[0].size == desc->channel[i].size;
    }

    /* Non-uniform formats. */
    if (!uniform) {
        switch (desc->nr_channels) {
            case 3:
                if (desc->channel[0].size == 5 &&
                    desc->channel[1].size == 6 &&
                    desc->channel[2].size == 5) {
                    return R300_TX_FORMAT_Z5Y6X5 | result;
                }
                if (desc->channel[0].size == 5 &&
                    desc->channel[1].size == 5 &&
                    desc->channel[2].size == 6) {
                    return R300_TX_FORMAT_Z6Y5X5 | result;
                }
                if (desc->channel[0].size == 2 &&
                    desc->channel[1].size == 3 &&
                    desc->channel[2].size == 3) {
                    return R300_TX_FORMAT_Z3Y3X2 | result;
                }
                return ~0; /* Unsupported/unknown. */

            case 4:
                if (desc->channel[0].size == 5 &&
                    desc->channel[1].size == 5 &&
                    desc->channel[2].size == 5 &&
                    desc->channel[3].size == 1) {
                    return R300_TX_FORMAT_W1Z5Y5X5 | result;
                }
                if (desc->channel[0].size == 10 &&
                    desc->channel[1].size == 10 &&
                    desc->channel[2].size == 10 &&
                    desc->channel[3].size == 2) {
                    return R300_TX_FORMAT_W2Z10Y10X10 | result;
                }
        }
        return ~0; /* Unsupported/unknown. */
    }

    /* Find the first non-VOID channel. */
    for (i = 0; i < 4; i++) {
        if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
            break;
        }
    }

    if (i == 4)
        return ~0; /* Unsupported/unknown. */

    /* And finally, uniform formats. */
    switch (desc->channel[i].type) {
        case UTIL_FORMAT_TYPE_UNSIGNED:
        case UTIL_FORMAT_TYPE_SIGNED:
            if (!desc->channel[i].normalized &&
                desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
                return ~0;
            }

            switch (desc->channel[i].size) {
                case 4:
                    switch (desc->nr_channels) {
                        case 2:
                            return R300_TX_FORMAT_Y4X4 | result;
                        case 4:
                            return R300_TX_FORMAT_W4Z4Y4X4 | result;
                    }
                    return ~0;

                case 8:
                    switch (desc->nr_channels) {
                        case 1:
                            return R300_TX_FORMAT_X8 | result;
                        case 2:
                            return R300_TX_FORMAT_Y8X8 | result;
                        case 4:
                            return R300_TX_FORMAT_W8Z8Y8X8 | result;
                    }
                    return ~0;

                case 16:
                    switch (desc->nr_channels) {
                        case 1:
                            return R300_TX_FORMAT_X16 | result;
                        case 2:
                            return R300_TX_FORMAT_Y16X16 | result;
                        case 4:
                            return R300_TX_FORMAT_W16Z16Y16X16 | result;
                    }
            }
            return ~0;

        case UTIL_FORMAT_TYPE_FLOAT:
            switch (desc->channel[i].size) {
                case 16:
                    switch (desc->nr_channels) {
                        case 1:
                            return R300_TX_FORMAT_16F | result;
                        case 2:
                            return R300_TX_FORMAT_16F_16F | result;
                        case 4:
                            return R300_TX_FORMAT_16F_16F_16F_16F | result;
                    }
                    return ~0;

                case 32:
                    switch (desc->nr_channels) {
                        case 1:
                            return R300_TX_FORMAT_32F | result;
                        case 2:
                            return R300_TX_FORMAT_32F_32F | result;
                        case 4:
                            return R300_TX_FORMAT_32F_32F_32F_32F | result;
                    }
            }
    }

    return ~0; /* Unsupported/unknown. */
}
/**
 * Query format support for creating a texture, drawing surface, etc.
 * \param format  the format to test
 * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 */
static boolean
llvmpipe_is_format_supported( struct pipe_screen *_screen,
                              enum pipe_format format,
                              enum pipe_texture_target target,
                              unsigned sample_count,
                              unsigned bind)
{
   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
   struct sw_winsys *winsys = screen->winsys;
   const struct util_format_description *format_desc;

   format_desc = util_format_description(format);
   if (!format_desc)
      return FALSE;

   /* Z16 support is missing, which breaks the blit */
   if (format == PIPE_FORMAT_Z16_UNORM)
      return FALSE;

   assert(target == PIPE_BUFFER ||
          target == PIPE_TEXTURE_1D ||
          target == PIPE_TEXTURE_1D_ARRAY ||
          target == PIPE_TEXTURE_2D ||
          target == PIPE_TEXTURE_2D_ARRAY ||
          target == PIPE_TEXTURE_RECT ||
          target == PIPE_TEXTURE_3D ||
          target == PIPE_TEXTURE_CUBE);

   if (sample_count > 1)
      return FALSE;

   if (bind & PIPE_BIND_RENDER_TARGET) {
      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB)
         return FALSE;

      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
         return FALSE;
      assert(format_desc->block.width == 1);
      assert(format_desc->block.height == 1);

      if (format_desc->is_mixed)
         return FALSE;

      if (!format_desc->is_array && !format_desc->is_bitmask)
         return FALSE;

      /*
       * XXX refuse formats known to crash in generate_unswizzled_blend().
       * These include all 3-channel 24bit RGB8 variants, plus 48bit
       * (except those using floats) 3-channel RGB16 variants (the latter
       * seems to be more of a llvm bug though).
       * The mesa state tracker only seems to use these for SINT/UINT formats.
       */
      if (format_desc->is_array && format_desc->nr_channels == 3) {
         if (format_desc->block.bits == 24 || (format_desc->block.bits == 48 &&
               !util_format_is_float(format))) {
            return FALSE;
         }
      }
   }

   if (bind & PIPE_BIND_DISPLAY_TARGET) {
      if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
         return FALSE;
   }

   if (bind & PIPE_BIND_DEPTH_STENCIL) {
      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
         return FALSE;

      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      /* FIXME: Temporary restriction. See lp_state_fs.c. */
      if (format_desc->block.bits != 32)
         return FALSE;
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
      return util_format_s3tc_enabled;
   }

   /*
    * Everything can be supported by u_format
    * (those without fetch_rgba_float might be not but shouldn't hit that)
    */

   return TRUE;
}
static int r600_init_surface(struct r600_common_screen *rscreen,
			     struct radeon_surf *surface,
			     const struct pipe_resource *ptex,
			     unsigned array_mode,
			     bool is_flushed_depth)
{
	const struct util_format_description *desc =
		util_format_description(ptex->format);
	bool is_depth, is_stencil;

	is_depth = util_format_has_depth(desc);
	is_stencil = util_format_has_stencil(desc);

	surface->npix_x = ptex->width0;
	surface->npix_y = ptex->height0;
	surface->npix_z = ptex->depth0;
	surface->blk_w = util_format_get_blockwidth(ptex->format);
	surface->blk_h = util_format_get_blockheight(ptex->format);
	surface->blk_d = 1;
	surface->array_size = 1;
	surface->last_level = ptex->last_level;

	if (rscreen->chip_class >= EVERGREEN && !is_flushed_depth &&
	    ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
		surface->bpe = 4; /* stencil is allocated separately on evergreen */
	} else {
		surface->bpe = util_format_get_blocksize(ptex->format);
		/* align byte per element on dword */
		if (surface->bpe == 3) {
			surface->bpe = 4;
		}
	}

	surface->nsamples = ptex->nr_samples ? ptex->nr_samples : 1;
	surface->flags = RADEON_SURF_SET(array_mode, MODE);

	switch (ptex->target) {
	case PIPE_TEXTURE_1D:
		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D, TYPE);
		break;
	case PIPE_TEXTURE_RECT:
	case PIPE_TEXTURE_2D:
		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
		break;
	case PIPE_TEXTURE_3D:
		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_3D, TYPE);
		break;
	case PIPE_TEXTURE_1D_ARRAY:
		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D_ARRAY, TYPE);
		surface->array_size = ptex->array_size;
		break;
	case PIPE_TEXTURE_2D_ARRAY:
	case PIPE_TEXTURE_CUBE_ARRAY: /* cube array layout like 2d array */
		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D_ARRAY, TYPE);
		surface->array_size = ptex->array_size;
		break;
	case PIPE_TEXTURE_CUBE:
		surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_CUBEMAP, TYPE);
		break;
	case PIPE_BUFFER:
	default:
		return -EINVAL;
	}
	if (ptex->bind & PIPE_BIND_SCANOUT) {
		surface->flags |= RADEON_SURF_SCANOUT;
	}

	if (!is_flushed_depth && is_depth) {
		surface->flags |= RADEON_SURF_ZBUFFER;

		if (is_stencil) {
			surface->flags |= RADEON_SURF_SBUFFER |
					  RADEON_SURF_HAS_SBUFFER_MIPTREE;
		}
	}
	if (rscreen->chip_class >= SI) {
		surface->flags |= RADEON_SURF_HAS_TILE_MODE_INDEX;
	}
	return 0;
}
Ejemplo n.º 6
0
/* Copy a block of pixels from one surface to another. */
static void r300_resource_copy_region(struct pipe_context *pipe,
                                      struct pipe_resource *dst,
                                      unsigned dst_level,
                                      unsigned dstx, unsigned dsty, unsigned dstz,
                                      struct pipe_resource *src,
                                      unsigned src_level,
                                      const struct pipe_box *src_box)
{
    struct pipe_screen *screen = pipe->screen;
    struct r300_context *r300 = r300_context(pipe);
    struct pipe_framebuffer_state *fb =
        (struct pipe_framebuffer_state*)r300->fb_state.state;
    unsigned src_width0 = r300_resource(src)->tex.width0;
    unsigned src_height0 = r300_resource(src)->tex.height0;
    unsigned dst_width0 = r300_resource(dst)->tex.width0;
    unsigned dst_height0 = r300_resource(dst)->tex.height0;
    unsigned layout;
    struct pipe_box box, dstbox;
    struct pipe_sampler_view src_templ, *src_view;
    struct pipe_surface dst_templ, *dst_view;

    /* Fallback for buffers. */
    if ((dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) ||
        !r300_is_blit_supported(dst->format)) {
        util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
                                  src, src_level, src_box);
        return;
    }

    /* Can't read MSAA textures. */
    if (src->nr_samples > 1 || dst->nr_samples > 1) {
        return;
    }

    /* The code below changes the texture format so that the copy can be done
     * on hardware. E.g. depth-stencil surfaces are copied as RGBA
     * colorbuffers. */

    util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz);
    util_blitter_default_src_texture(&src_templ, src, src_level);

    layout = util_format_description(dst_templ.format)->layout;

    /* Handle non-renderable plain formats. */
    if (layout == UTIL_FORMAT_LAYOUT_PLAIN &&
        (!screen->is_format_supported(screen, src_templ.format, src->target,
                                      src->nr_samples,
                                      PIPE_BIND_SAMPLER_VIEW) ||
         !screen->is_format_supported(screen, dst_templ.format, dst->target,
                                      dst->nr_samples,
                                      PIPE_BIND_RENDER_TARGET))) {
        switch (util_format_get_blocksize(dst_templ.format)) {
            case 1:
                dst_templ.format = PIPE_FORMAT_I8_UNORM;
                break;
            case 2:
                dst_templ.format = PIPE_FORMAT_B4G4R4A4_UNORM;
                break;
            case 4:
                dst_templ.format = PIPE_FORMAT_B8G8R8A8_UNORM;
                break;
            case 8:
                dst_templ.format = PIPE_FORMAT_R16G16B16A16_UNORM;
                break;
            default:
                debug_printf("r300: copy_region: Unhandled format: %s. Falling back to software.\n"
                             "r300: copy_region: Software fallback doesn't work for tiled textures.\n",
                             util_format_short_name(dst_templ.format));
        }
        src_templ.format = dst_templ.format;
    }

    /* Handle compressed formats. */
    if (layout == UTIL_FORMAT_LAYOUT_S3TC ||
        layout == UTIL_FORMAT_LAYOUT_RGTC) {
        assert(src_templ.format == dst_templ.format);

        box = *src_box;
        src_box = &box;

        dst_width0 = align(dst_width0, 4);
        dst_height0 = align(dst_height0, 4);
        src_width0 = align(src_width0, 4);
        src_height0 = align(src_height0, 4);
        box.width = align(box.width, 4);
        box.height = align(box.height, 4);

        switch (util_format_get_blocksize(dst_templ.format)) {
        case 8:
            /* one 4x4 pixel block has 8 bytes.
             * we set 1 pixel = 4 bytes ===> 1 block corrensponds to 2 pixels. */
            dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
            dst_width0 = dst_width0 / 2;
            src_width0 = src_width0 / 2;
            dstx /= 2;
            box.x /= 2;
            box.width /= 2;
            break;
        case 16:
            /* one 4x4 pixel block has 16 bytes.
             * we set 1 pixel = 4 bytes ===> 1 block corresponds to 4 pixels. */
            dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
            break;
        }
        src_templ.format = dst_templ.format;

        dst_height0 = dst_height0 / 4;
        src_height0 = src_height0 / 4;
        dsty /= 4;
        box.y /= 4;
        box.height /= 4;
    }

    /* Fallback for textures. */
    if (!screen->is_format_supported(screen, dst_templ.format,
                                     dst->target, dst->nr_samples,
                                     PIPE_BIND_RENDER_TARGET) ||
	!screen->is_format_supported(screen, src_templ.format,
                                     src->target, src->nr_samples,
                                     PIPE_BIND_SAMPLER_VIEW)) {
        assert(0 && "this shouldn't happen, update r300_is_blit_supported");
        util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
                                  src, src_level, src_box);
        return;
    }

    /* Decompress ZMASK. */
    if (r300->zmask_in_use && !r300->locked_zbuffer) {
        if (fb->zsbuf->texture == src ||
            fb->zsbuf->texture == dst) {
            r300_decompress_zmask(r300);
        }
    }

    dst_view = r300_create_surface_custom(pipe, dst, &dst_templ, dst_width0, dst_height0);
    src_view = r300_create_sampler_view_custom(pipe, src, &src_templ, src_width0, src_height0);

    u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height),
             abs(src_box->depth), &dstbox);

    r300_blitter_begin(r300, R300_COPY);
    util_blitter_blit_generic(r300->blitter, dst_view, &dstbox,
                              src_view, src_box, src_width0, src_height0,
                              PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL);
    r300_blitter_end(r300);

    pipe_surface_reference(&dst_view, NULL);
    pipe_sampler_view_reference(&src_view, NULL);
}
Ejemplo n.º 7
0
/* Common processing for r600_texture_create and r600_texture_from_handle */
static struct r600_texture *
r600_texture_create_object(struct pipe_screen *screen,
			   const struct pipe_resource *base,
			   unsigned pitch_in_bytes_override,
			   struct pb_buffer *buf,
			   struct radeon_surf *surface)
{
	struct r600_texture *rtex;
	struct r600_resource *resource;
	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;

	rtex = CALLOC_STRUCT(r600_texture);
	if (!rtex)
		return NULL;

	resource = &rtex->resource;
	resource->b.b = *base;
	resource->b.vtbl = &r600_texture_vtbl;
	pipe_reference_init(&resource->b.b.reference, 1);
	resource->b.b.screen = screen;

	/* don't include stencil-only formats which we don't support for rendering */
	rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));

	rtex->surface = *surface;
	if (r600_setup_surface(screen, rtex, pitch_in_bytes_override)) {
		FREE(rtex);
		return NULL;
	}

	/* Tiled depth textures utilize the non-displayable tile order.
	 * This must be done after r600_setup_surface.
	 * Applies to R600-Cayman. */
	rtex->non_disp_tiling = rtex->is_depth && rtex->surface.level[0].mode >= RADEON_SURF_MODE_1D;

	if (rtex->is_depth) {
		if (!(base->flags & (R600_RESOURCE_FLAG_TRANSFER |
				     R600_RESOURCE_FLAG_FLUSHED_DEPTH)) &&
		    !(rscreen->debug_flags & DBG_NO_HYPERZ)) {

			r600_texture_allocate_htile(rscreen, rtex);
		}
	} else {
		if (base->nr_samples > 1) {
			if (!buf) {
				r600_texture_allocate_fmask(rscreen, rtex);
				r600_texture_allocate_cmask(rscreen, rtex);
				rtex->cmask_buffer = &rtex->resource;
			}
			if (!rtex->fmask.size || !rtex->cmask.size) {
				FREE(rtex);
				return NULL;
			}
		}
		if (rtex->surface.dcc_size)
			vi_texture_alloc_dcc_separate(rscreen, rtex);
	}

	/* Now create the backing buffer. */
	if (!buf) {
		if (!r600_init_resource(rscreen, resource, rtex->size,
					rtex->surface.bo_alignment, TRUE)) {
			FREE(rtex);
			return NULL;
		}
	} else {
		resource->buf = buf;
		resource->gpu_address = rscreen->ws->buffer_get_virtual_address(resource->buf);
		resource->domains = rscreen->ws->buffer_get_initial_domain(resource->buf);
	}

	if (rtex->cmask.size) {
		/* Initialize the cmask to 0xCC (= compressed state). */
		r600_screen_clear_buffer(rscreen, &rtex->cmask_buffer->b.b,
					 rtex->cmask.offset, rtex->cmask.size,
					 0xCCCCCCCC, true);
	}

	/* Initialize the CMASK base register value. */
	rtex->cmask.base_address_reg =
		(rtex->resource.gpu_address + rtex->cmask.offset) >> 8;

	if (rscreen->debug_flags & DBG_VM) {
		fprintf(stderr, "VM start=0x%"PRIX64"  end=0x%"PRIX64" | Texture %ix%ix%i, %i levels, %i samples, %s\n",
			rtex->resource.gpu_address,
			rtex->resource.gpu_address + rtex->resource.buf->size,
			base->width0, base->height0, util_max_layer(base, 0)+1, base->last_level+1,
			base->nr_samples ? base->nr_samples : 1, util_format_short_name(base->format));
	}

	if (rscreen->debug_flags & DBG_TEX) {
		puts("Texture:");
		r600_print_texture_info(rtex, stdout);
	}

	return rtex;
}
Ejemplo n.º 8
0
/**
 * Query format support for creating a texture, drawing surface, etc.
 * \param format  the format to test
 * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 */
static boolean
llvmpipe_is_format_supported( struct pipe_screen *_screen,
                              enum pipe_format format,
                              enum pipe_texture_target target,
                              unsigned sample_count,
                              unsigned bind)
{
   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
   struct sw_winsys *winsys = screen->winsys;
   const struct util_format_description *format_desc;

   format_desc = util_format_description(format);
   if (!format_desc)
      return FALSE;

   assert(target == PIPE_BUFFER ||
          target == PIPE_TEXTURE_1D ||
          target == PIPE_TEXTURE_1D_ARRAY ||
          target == PIPE_TEXTURE_2D ||
          target == PIPE_TEXTURE_2D_ARRAY ||
          target == PIPE_TEXTURE_RECT ||
          target == PIPE_TEXTURE_3D ||
          target == PIPE_TEXTURE_CUBE ||
          target == PIPE_TEXTURE_CUBE_ARRAY);

   if (sample_count > 1)
      return FALSE;

   if (bind & PIPE_BIND_RENDER_TARGET) {
      if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
         /* this is a lie actually other formats COULD exist where we would fail */
         if (format_desc->nr_channels < 3)
            return FALSE;
      }
      else if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB)
         return FALSE;

      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN &&
          format != PIPE_FORMAT_R11G11B10_FLOAT)
         return FALSE;

      assert(format_desc->block.width == 1);
      assert(format_desc->block.height == 1);

      if (format_desc->is_mixed)
         return FALSE;

      if (!format_desc->is_array && !format_desc->is_bitmask &&
          format != PIPE_FORMAT_R11G11B10_FLOAT)
         return FALSE;

      /*
       * XXX refuse formats known to crash in generate_unswizzled_blend().
       * These include all 3-channel 24bit RGB8 variants, plus 48bit
       * (except those using floats) 3-channel RGB16 variants (the latter
       * seems to be more of a llvm bug though).
       * The mesa state tracker only seems to use these for SINT/UINT formats.
       */
      if (format_desc->is_array && format_desc->nr_channels == 3) {
         if (format_desc->block.bits == 24 || (format_desc->block.bits == 48 &&
               !util_format_is_float(format))) {
            return FALSE;
         }
      }
   }

   if (bind & PIPE_BIND_DISPLAY_TARGET) {
      if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
         return FALSE;
   }

   if (bind & PIPE_BIND_DEPTH_STENCIL) {
      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
         return FALSE;

      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      /* TODO: Support stencil-only formats */
      if (format_desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_NONE) {
         return FALSE;
      }
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
      /* Software decoding is not hooked up. */
      return FALSE;
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
       format != PIPE_FORMAT_ETC1_RGB8)
      return FALSE;

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
      return util_format_s3tc_enabled;
   }

   /*
    * Everything can be supported by u_format
    * (those without fetch_rgba_float might be not but shouldn't hit that)
    */

   return TRUE;
}
Ejemplo n.º 9
0
/**
 * Returns the largest legal index value plus one for the current set
 * of bound vertex buffers.  Regardless of any other consideration,
 * all vertex lookups need to be clamped to 0..max_index-1 to prevent
 * an out-of-bound access.
 *
 * Note that if zero is returned it means that one or more buffers is
 * too small to contain any valid vertex data.
 */
unsigned
util_draw_max_index(
      const struct pipe_vertex_buffer *vertex_buffers,
      const struct pipe_vertex_element *vertex_elements,
      unsigned nr_vertex_elements,
      const struct pipe_draw_info *info)
{
   unsigned max_index;
   unsigned i;

   max_index = ~0U - 1;
   for (i = 0; i < nr_vertex_elements; i++) {
      const struct pipe_vertex_element *element =
         &vertex_elements[i];
      const struct pipe_vertex_buffer *buffer =
         &vertex_buffers[element->vertex_buffer_index];
      unsigned buffer_size;
      const struct util_format_description *format_desc;
      unsigned format_size;

      if (!buffer->buffer) {
         continue;
      }

      assert(buffer->buffer->height0 == 1);
      assert(buffer->buffer->depth0 == 1);
      buffer_size = buffer->buffer->width0;

      format_desc = util_format_description(element->src_format);
      assert(format_desc->block.width == 1);
      assert(format_desc->block.height == 1);
      assert(format_desc->block.bits % 8 == 0);
      format_size = format_desc->block.bits/8;

      if (buffer->buffer_offset >= buffer_size) {
         /* buffer is too small */
         return 0;
      }

      buffer_size -= buffer->buffer_offset;

      if (element->src_offset >= buffer_size) {
         /* buffer is too small */
         return 0;
      }

      buffer_size -= element->src_offset;

      if (format_size > buffer_size) {
         /* buffer is too small */
         return 0;
      }

      buffer_size -= format_size;

      if (buffer->stride != 0) {
         unsigned buffer_max_index;

         buffer_max_index = buffer_size / buffer->stride;

         if (element->instance_divisor == 0) {
            /* Per-vertex data */
            max_index = MIN2(max_index, buffer_max_index);
         }
         else {
            /* Per-instance data. Simply make sure the state tracker didn't
             * request more instances than those that fit in the buffer */
            if ((info->start_instance + info->instance_count)/element->instance_divisor
                > (buffer_max_index + 1)) {
               /* FIXME: We really should stop thinking in terms of maximum
                * indices/instances and simply start clamping against buffer
                * size. */
               debug_printf("%s: too many instances for vertex buffer\n",
                            __FUNCTION__);
               return 0;
            }
         }
      }
   }

   return max_index + 1;
}
Ejemplo n.º 10
0
/**
 * Called via glFlush/glFinish.  This is where we copy the contents
 * of the driver's color buffer into the user-specified buffer.
 */
static boolean
osmesa_st_framebuffer_flush_front(struct st_context_iface *stctx,
                                  struct st_framebuffer_iface *stfbi,
                                  enum st_attachment_type statt)
{
    OSMesaContext osmesa = OSMesaGetCurrentContext();
    struct osmesa_buffer *osbuffer = stfbi_to_osbuffer(stfbi);
    struct pipe_context *pipe = stctx->pipe;
    struct pipe_resource *res = osbuffer->textures[statt];
    struct pipe_transfer *transfer = NULL;
    struct pipe_box box;
    void *map;
    ubyte *src, *dst;
    unsigned y, bytes, bpp;
    int dst_stride;

    if (osmesa->pp) {
        struct pipe_resource *zsbuf = NULL;
        unsigned i;

        /* Find the z/stencil buffer if there is one */
        for (i = 0; i < Elements(osbuffer->textures); i++) {
            struct pipe_resource *res = osbuffer->textures[i];
            if (res) {
                const struct util_format_description *desc =
                    util_format_description(res->format);

                if (util_format_has_depth(desc)) {
                    zsbuf = res;
                    break;
                }
            }
        }

        /* run the postprocess stage(s) */
        pp_run(osmesa->pp, res, res, zsbuf);
    }

    u_box_2d(0, 0, res->width0, res->height0, &box);

    map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box,
                             &transfer);

    /*
     * Copy the color buffer from the resource to the user's buffer.
     */
    bpp = util_format_get_blocksize(osbuffer->visual.color_format);
    src = map;
    dst = osbuffer->map;
    if (osmesa->user_row_length)
        dst_stride = bpp * osmesa->user_row_length;
    else
        dst_stride = bpp * osbuffer->width;
    bytes = bpp * res->width0;

    if (osmesa->y_up) {
        /* need to flip image upside down */
        dst = dst + (res->height0 - 1) * dst_stride;
        dst_stride = -dst_stride;
    }

    for (y = 0; y < res->height0; y++) {
        memcpy(dst, src, bytes);
        dst += dst_stride;
        src += transfer->stride;
    }

    pipe->transfer_unmap(pipe, transfer);

    return TRUE;
}
Ejemplo n.º 11
0
int main(int argc, char** argv)
{
   struct translate *(*create_fn)(const struct translate_key *key) = 0;

   struct translate_key key;
   unsigned output_format;
   unsigned input_format;
   unsigned buffer_size = 4096;
   unsigned char* buffer[5];
   unsigned char* byte_buffer;
   float* float_buffer;
   double* double_buffer;
   uint16_t *half_buffer;
   unsigned * elts;
   unsigned count = 4;
   unsigned i, j, k;
   unsigned passed = 0;
   unsigned total = 0;
   const float error = 0.03125;

   create_fn = 0;

   util_cpu_detect();

   if (argc <= 1 ||
       !strcmp(argv[1], "default") )
      create_fn = translate_create;
   else if (!strcmp(argv[1], "generic"))
      create_fn = translate_generic_create;
   else if (!strcmp(argv[1], "x86"))
      create_fn = translate_sse2_create;
   else if (!strcmp(argv[1], "nosse"))
   {
      util_cpu_caps.has_sse = 0;
      util_cpu_caps.has_sse2 = 0;
      util_cpu_caps.has_sse3 = 0;
      util_cpu_caps.has_sse4_1 = 0;
      create_fn = translate_sse2_create;
   }
   else if (!strcmp(argv[1], "sse"))
   {
      if(!util_cpu_caps.has_sse || !rtasm_cpu_has_sse())
      {
         printf("Error: CPU doesn't support SSE (test with qemu)\n");
         return 2;
      }
      util_cpu_caps.has_sse2 = 0;
      util_cpu_caps.has_sse3 = 0;
      util_cpu_caps.has_sse4_1 = 0;
      create_fn = translate_sse2_create;
   }
   else if (!strcmp(argv[1], "sse2"))
   {
      if(!util_cpu_caps.has_sse2 || !rtasm_cpu_has_sse())
      {
         printf("Error: CPU doesn't support SSE2 (test with qemu)\n");
         return 2;
      }
      util_cpu_caps.has_sse3 = 0;
      util_cpu_caps.has_sse4_1 = 0;
      create_fn = translate_sse2_create;
   }
   else if (!strcmp(argv[1], "sse3"))
   {
      if(!util_cpu_caps.has_sse3 || !rtasm_cpu_has_sse())
      {
         printf("Error: CPU doesn't support SSE3 (test with qemu)\n");
         return 2;
      }
      util_cpu_caps.has_sse4_1 = 0;
      create_fn = translate_sse2_create;
   }
   else if (!strcmp(argv[1], "sse4.1"))
   {
      if(!util_cpu_caps.has_sse4_1 || !rtasm_cpu_has_sse())
      {
         printf("Error: CPU doesn't support SSE4.1 (test with qemu)\n");
         return 2;
      }
      create_fn = translate_sse2_create;
   }

   if (!create_fn)
   {
      printf("Usage: ./translate_test [default|generic|x86|nosse|sse|sse2|sse3|sse4.1]\n");
      return 2;
   }

   for (i = 1; i < ARRAY_SIZE(buffer); ++i)
      buffer[i] = align_malloc(buffer_size, 4096);

   byte_buffer = align_malloc(buffer_size, 4096);
   float_buffer = align_malloc(buffer_size, 4096);
   double_buffer = align_malloc(buffer_size, 4096);
   half_buffer = align_malloc(buffer_size, 4096);

   elts = align_malloc(count * sizeof *elts, 4096);

   key.nr_elements = 1;
   key.element[0].input_buffer = 0;
   key.element[0].input_offset = 0;
   key.element[0].output_offset = 0;
   key.element[0].type = TRANSLATE_ELEMENT_NORMAL;
   key.element[0].instance_divisor = 0;

   srand(4359025);

   /* avoid negative values that work badly when converted to unsigned format*/
   for (i = 0; i < buffer_size; ++i)
      byte_buffer[i] = rand() & 0x7f7f7f7f;

   for (i = 0; i < buffer_size / sizeof(float); ++i)
      float_buffer[i] = (float)rand_double();

   for (i = 0; i < buffer_size / sizeof(double); ++i)
      double_buffer[i] = rand_double();

   for (i = 0; i < buffer_size / sizeof(double); ++i)
      half_buffer[i] = util_float_to_half((float) rand_double());

   for (i = 0; i < count; ++i)
      elts[i] = i;

   for (output_format = 1; output_format < PIPE_FORMAT_COUNT; ++output_format)
   {
      const struct util_format_description* output_format_desc = util_format_description(output_format);
      unsigned output_format_size;
      unsigned output_normalized = 0;

      if (!output_format_desc
            || !output_format_desc->fetch_rgba_float
            || !output_format_desc->pack_rgba_float
            || output_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
            || output_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
            || !translate_is_output_format_supported(output_format))
         continue;

      for(i = 0; i < output_format_desc->nr_channels; ++i)
      {
         if(output_format_desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT)
            output_normalized |= (1 << output_format_desc->channel[i].normalized);
      }

      output_format_size = util_format_get_stride(output_format, 1);

      for (input_format = 1; input_format < PIPE_FORMAT_COUNT; ++input_format)
      {
         const struct util_format_description* input_format_desc = util_format_description(input_format);
         unsigned input_format_size;
         struct translate* translate[2];
         unsigned fail = 0;
         unsigned used_generic = 0;
         unsigned input_normalized = 0;
         boolean input_is_float = FALSE;

         if (!input_format_desc
               || !input_format_desc->fetch_rgba_float
               || !input_format_desc->pack_rgba_float
               || input_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
               || input_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
               || !translate_is_output_format_supported(input_format))
            continue;

         input_format_size = util_format_get_stride(input_format, 1);

         for(i = 0; i < input_format_desc->nr_channels; ++i)
         {
            if(input_format_desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
            {
               input_is_float = 1;
               input_normalized |= 1 << 1;
            }
            else
               input_normalized |= (1 << input_format_desc->channel[i].normalized);
         }

         if(((input_normalized | output_normalized) == 3)
               || ((input_normalized & 1) && (output_normalized & 1)
                     && input_format_size * output_format_desc->nr_channels > output_format_size * input_format_desc->nr_channels))
            continue;

         key.element[0].input_format = input_format;
         key.element[0].output_format = output_format;
         key.output_stride = output_format_size;
         translate[0] = create_fn(&key);
         if (!translate[0])
            continue;

         key.element[0].input_format = output_format;
         key.element[0].output_format = input_format;
         key.output_stride = input_format_size;
         translate[1] = create_fn(&key);
         if(!translate[1])
         {
            used_generic = 1;
            translate[1] = translate_generic_create(&key);
            if(!translate[1])
               continue;
         }

         for(i = 1; i < 5; ++i)
            memset(buffer[i], 0xcd - (0x22 * i), 4096);

         if(input_is_float && input_format_desc->channel[0].size == 32)
            buffer[0] = (unsigned char*)float_buffer;
         else if(input_is_float && input_format_desc->channel[0].size == 64)
            buffer[0] = (unsigned char*)double_buffer;
         else if(input_is_float && input_format_desc->channel[0].size == 16)
            buffer[0] = (unsigned char*)half_buffer;
         else if(input_is_float)
            abort();
         else
            buffer[0] = byte_buffer;

         translate[0]->set_buffer(translate[0], 0, buffer[0], input_format_size, count - 1);
         translate[0]->run_elts(translate[0], elts, count, 0, 0, buffer[1]);
         translate[1]->set_buffer(translate[1], 0, buffer[1], output_format_size, count - 1);
         translate[1]->run_elts(translate[1], elts, count, 0, 0, buffer[2]);
         translate[0]->set_buffer(translate[0], 0, buffer[2], input_format_size, count - 1);
         translate[0]->run_elts(translate[0], elts, count, 0, 0, buffer[3]);
         translate[1]->set_buffer(translate[1], 0, buffer[3], output_format_size, count - 1);
         translate[1]->run_elts(translate[1], elts, count, 0, 0, buffer[4]);

         for (i = 0; i < count; ++i)
         {
            float a[4];
            float b[4];
            input_format_desc->fetch_rgba_float(a, buffer[2] + i * input_format_size, 0, 0);
            input_format_desc->fetch_rgba_float(b, buffer[4] + i * input_format_size, 0, 0);

            for (j = 0; j < count; ++j)
            {
               float d = a[j] - b[j];
               if (d > error || d < -error)
               {
                  fail = 1;
                  break;
               }
            }
         }

         printf("%s%s: %s -> %s -> %s -> %s -> %s\n",
               fail ? "FAIL" : "PASS",
               used_generic ? "[GENERIC]" : "",
               input_format_desc->name, output_format_desc->name, input_format_desc->name, output_format_desc->name, input_format_desc->name);

         if (1)
         {
            for (i = 0; i < ARRAY_SIZE(buffer); ++i)
            {
               unsigned format_size = (i & 1) ? output_format_size : input_format_size;
               printf("%c ", (i == 2 || i == 4) ? '*' : ' ');
               for (j = 0; j < count; ++j)
               {
                  for (k = 0; k < format_size; ++k)
                  {
                     printf("%02x", buffer[i][j * format_size + k]);
                  }
                  printf(" ");
               }
               printf("\n");
            }
         }

         if (!fail)
            ++passed;
         ++total;

         if(translate[1])
            translate[1]->release(translate[1]);
         translate[0]->release(translate[0]);
      }
   }

   printf("%u/%u tests passed for translate_%s\n", passed, total, argv[1]);
   return passed != total;
}
Ejemplo n.º 12
0
void si_blit_uncompress_depth(struct pipe_context *ctx,
		struct r600_resource_texture *texture,
		struct r600_resource_texture *staging,
		unsigned first_level, unsigned last_level,
		unsigned first_layer, unsigned last_layer)
{
	struct r600_context *rctx = (struct r600_context *)ctx;
	unsigned layer, level, checked_last_layer, max_layer;
	float depth = 1.0f;
	const struct util_format_description *desc;
	void *custom_dsa;
	struct r600_resource_texture *flushed_depth_texture = staging ?
			staging : texture->flushed_depth_texture;

	if (!staging && !texture->dirty_db_mask)
		return;

	desc = util_format_description(flushed_depth_texture->resource.b.b.format);
	switch (util_format_has_depth(desc) | util_format_has_stencil(desc) << 1) {
	default:
		assert(!"No depth or stencil to uncompress");
	case 3:
		custom_dsa = rctx->custom_dsa_flush_depth_stencil;
		break;
	case 2:
		custom_dsa = rctx->custom_dsa_flush_stencil;
		break;
	case 1:
		custom_dsa = rctx->custom_dsa_flush_depth;
		break;
	}

	for (level = first_level; level <= last_level; level++) {
		if (!staging && !(texture->dirty_db_mask & (1 << level)))
			continue;

		/* The smaller the mipmap level, the less layers there are
		 * as far as 3D textures are concerned. */
		max_layer = util_max_layer(&texture->resource.b.b, level);
		checked_last_layer = last_layer < max_layer ? last_layer : max_layer;

		for (layer = first_layer; layer <= checked_last_layer; layer++) {
			struct pipe_surface *zsurf, *cbsurf, surf_tmpl;

			surf_tmpl.format = texture->real_format;
			surf_tmpl.u.tex.level = level;
			surf_tmpl.u.tex.first_layer = layer;
			surf_tmpl.u.tex.last_layer = layer;

			zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);

			surf_tmpl.format = flushed_depth_texture->real_format;
			cbsurf = ctx->create_surface(ctx,
					(struct pipe_resource*)flushed_depth_texture, &surf_tmpl);

			r600_blitter_begin(ctx, R600_DECOMPRESS);
			util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, ~0, custom_dsa, depth);
			r600_blitter_end(ctx);

			pipe_surface_reference(&zsurf, NULL);
			pipe_surface_reference(&cbsurf, NULL);
		}

		/* The texture will always be dirty if some layers aren't flushed.
		 * I don't think this case can occur though. */
		if (!staging && first_layer == 0 && last_layer == max_layer) {
			texture->dirty_db_mask &= ~(1 << level);
		}
	}
}
Ejemplo n.º 13
0
/**
 * Query format support for creating a texture, drawing surface, etc.
 * \param format  the format to test
 * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 */
static boolean
llvmpipe_is_format_supported( struct pipe_screen *_screen,
                              enum pipe_format format,
                              enum pipe_texture_target target,
                              unsigned sample_count,
                              unsigned bind,
                              unsigned geom_flags )
{
   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
   struct sw_winsys *winsys = screen->winsys;
   const struct util_format_description *format_desc;

   format_desc = util_format_description(format);
   if (!format_desc)
      return FALSE;

   assert(target == PIPE_BUFFER ||
          target == PIPE_TEXTURE_1D ||
          target == PIPE_TEXTURE_2D ||
          target == PIPE_TEXTURE_RECT ||
          target == PIPE_TEXTURE_3D ||
          target == PIPE_TEXTURE_CUBE);

   if (sample_count > 1)
      return FALSE;

   if (bind & PIPE_BIND_RENDER_TARGET) {
      if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
         return FALSE;

      if (format_desc->block.width != 1 ||
          format_desc->block.height != 1)
         return FALSE;
   }

   if (bind & PIPE_BIND_DISPLAY_TARGET) {
      if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
         return FALSE;
   }

   if (bind & PIPE_BIND_DEPTH_STENCIL) {
      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
         return FALSE;

      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      /* FIXME: Temporary restriction. See lp_state_fs.c. */
      if (format_desc->block.bits != 32)
         return FALSE;
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
      return util_format_s3tc_enabled;
   }

   /*
    * Everything else should be supported by u_format.
    */
   return TRUE;
}
Ejemplo n.º 14
0
/* In the case of transfer_map of a multi-sample resource, call back into
 * pctx->transfer_map() to map the staging resource, to handle cases of
 * MSAA + separate_z32s8 or fake_rgtc
 */
static void *
transfer_map_msaa(struct pipe_context *pctx,
                  struct pipe_resource *prsc,
                  unsigned level, unsigned usage,
                  const struct pipe_box *box,
                  struct pipe_transfer **pptrans)
{
   struct pipe_screen *pscreen = pctx->screen;
   struct u_transfer *trans = calloc(1, sizeof(*trans));
   if (!trans)
      return NULL;
   struct pipe_transfer *ptrans = &trans->base;

   pipe_resource_reference(&ptrans->resource, prsc);
   ptrans->level = level;
   ptrans->usage = usage;
   ptrans->box = *box;

   struct pipe_resource tmpl = {
         .target = prsc->target,
         .format = prsc->format,
         .width0 = box->width,
         .height0 = box->height,
         .depth0 = 1,
         .array_size = 1,
   };
   trans->ss = pscreen->resource_create(pscreen, &tmpl);
   if (!trans->ss) {
      free(trans);
      return NULL;
   }

   if (needs_pack(usage)) {
      struct pipe_blit_info blit;
      memset(&blit, 0, sizeof(blit));

      blit.src.resource = ptrans->resource;
      blit.src.format = ptrans->resource->format;
      blit.src.level = ptrans->level;
      blit.src.box = *box;

      blit.dst.resource = trans->ss;
      blit.dst.format = trans->ss->format;
      blit.dst.box.width = box->width;
      blit.dst.box.height = box->height;
      blit.dst.box.depth = 1;

      blit.mask = util_format_get_mask(prsc->format);
      blit.filter = PIPE_TEX_FILTER_NEAREST;

      pctx->blit(pctx, &blit);
   }

   struct pipe_box map_box = *box;
   map_box.x = 0;
   map_box.y = 0;

   void *ss_map = pctx->transfer_map(pctx, trans->ss, 0, usage, &map_box,
         &trans->trans);
   if (!ss_map) {
      free(trans);
      return NULL;
   }

   ptrans->stride = trans->trans->stride;
   *pptrans = ptrans;
   return ss_map;
}

void *
u_transfer_helper_transfer_map(struct pipe_context *pctx,
                               struct pipe_resource *prsc,
                               unsigned level, unsigned usage,
                               const struct pipe_box *box,
                               struct pipe_transfer **pptrans)
{
   struct u_transfer_helper *helper = pctx->screen->transfer_helper;
   struct u_transfer *trans;
   struct pipe_transfer *ptrans;
   enum pipe_format format = prsc->format;
   unsigned width = box->width;
   unsigned height = box->height;

   if (!handle_transfer(prsc))
      return helper->vtbl->transfer_map(pctx, prsc, level, usage, box, pptrans);

   if (helper->msaa_map && (prsc->nr_samples > 1))
      return transfer_map_msaa(pctx, prsc, level, usage, box, pptrans);

   debug_assert(box->depth == 1);

   trans = calloc(1, sizeof(*trans));
   if (!trans)
      return NULL;

   ptrans = &trans->base;
   pipe_resource_reference(&ptrans->resource, prsc);
   ptrans->level = level;
   ptrans->usage = usage;
   ptrans->box   = *box;
   ptrans->stride = util_format_get_stride(format, box->width);
   ptrans->layer_stride = ptrans->stride * box->height;

   trans->staging = malloc(ptrans->layer_stride);
   if (!trans->staging)
      goto fail;

   trans->ptr = helper->vtbl->transfer_map(pctx, prsc, level, usage, box,
                                           &trans->trans);
   if (!trans->ptr)
      goto fail;

   if (prsc->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
      struct pipe_resource *stencil = helper->vtbl->get_stencil(prsc);
      trans->ptr2 = helper->vtbl->transfer_map(pctx, stencil, level,
                                               usage, box, &trans->trans2);

      if (needs_pack(usage)) {
         util_format_z32_float_s8x24_uint_pack_z_float(trans->staging,
                                                       ptrans->stride,
                                                       trans->ptr,
                                                       trans->trans->stride,
                                                       width, height);
         util_format_z32_float_s8x24_uint_pack_s_8uint(trans->staging,
                                                       ptrans->stride,
                                                       trans->ptr2,
                                                       trans->trans2->stride,
                                                       width, height);
      }
   } else if (needs_pack(usage) &&
              util_format_description(prsc->format)->layout == UTIL_FORMAT_LAYOUT_RGTC) {
      switch (prsc->format) {
      case PIPE_FORMAT_RGTC1_UNORM:
      case PIPE_FORMAT_RGTC1_SNORM:
      case PIPE_FORMAT_LATC1_UNORM:
      case PIPE_FORMAT_LATC1_SNORM:
         util_format_rgtc1_unorm_pack_rgba_8unorm(trans->staging,
                                                  ptrans->stride,
                                                  trans->ptr,
                                                  trans->trans->stride,
                                                  width, height);
         break;
      case PIPE_FORMAT_RGTC2_UNORM:
      case PIPE_FORMAT_RGTC2_SNORM:
      case PIPE_FORMAT_LATC2_UNORM:
      case PIPE_FORMAT_LATC2_SNORM:
         util_format_rgtc2_unorm_pack_rgba_8unorm(trans->staging,
                                                  ptrans->stride,
                                                  trans->ptr,
                                                  trans->trans->stride,
                                                  width, height);
         break;
      default:
         assert(!"Unexpected format");
         break;
      }
   } else {
      unreachable("bleh");
   }

   *pptrans = ptrans;
   return trans->staging;

fail:
   if (trans->trans)
      helper->vtbl->transfer_unmap(pctx, trans->trans);
   if (trans->trans2)
      helper->vtbl->transfer_unmap(pctx, trans->trans2);
   pipe_resource_reference(&ptrans->resource, NULL);
   free(trans->staging);
   free(trans);
   return NULL;
}

static void
flush_region(struct pipe_context *pctx, struct pipe_transfer *ptrans,
             const struct pipe_box *box)
{
   struct u_transfer_helper *helper = pctx->screen->transfer_helper;
   struct u_transfer *trans = u_transfer(ptrans);
   enum pipe_format iformat, format = ptrans->resource->format;
   unsigned width = box->width;
   unsigned height = box->height;
   void *src, *dst;

   if (!(ptrans->usage & PIPE_TRANSFER_WRITE))
      return;

   if (trans->ss) {
      struct pipe_blit_info blit;
      memset(&blit, 0, sizeof(blit));

      blit.src.resource = trans->ss;
      blit.src.format = trans->ss->format;
      blit.src.box = *box;

      blit.dst.resource = ptrans->resource;
      blit.dst.format = ptrans->resource->format;
      blit.dst.level = ptrans->level;

      u_box_2d(ptrans->box.x + box->x,
               ptrans->box.y + box->y,
               box->width, box->height,
               &blit.dst.box);

      blit.mask = util_format_get_mask(ptrans->resource->format);
      blit.filter = PIPE_TEX_FILTER_NEAREST;

      pctx->blit(pctx, &blit);

      return;
   }

   iformat = helper->vtbl->get_internal_format(ptrans->resource);

   src = (uint8_t *)trans->staging +
         (box->y * ptrans->stride) +
         (box->x * util_format_get_blocksize(format));
   dst = (uint8_t *)trans->ptr +
         (box->y * trans->trans->stride) +
         (box->x * util_format_get_blocksize(iformat));

   switch (format) {
   case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
      util_format_z32_float_s8x24_uint_unpack_z_float(dst,
                                                      trans->trans->stride,
                                                      src,
                                                      ptrans->stride,
                                                      width, height);
      /* fallthru */
   case PIPE_FORMAT_X32_S8X24_UINT:
      dst = (uint8_t *)trans->ptr2 +
            (box->y * trans->trans2->stride) +
            (box->x * util_format_get_blocksize(PIPE_FORMAT_S8_UINT));

      util_format_z32_float_s8x24_uint_unpack_s_8uint(dst,
                                                      trans->trans2->stride,
                                                      src,
                                                      ptrans->stride,
                                                      width, height);
      break;
   case PIPE_FORMAT_RGTC1_UNORM:
   case PIPE_FORMAT_RGTC1_SNORM:
   case PIPE_FORMAT_LATC1_UNORM:
   case PIPE_FORMAT_LATC1_SNORM:
      util_format_rgtc1_unorm_unpack_rgba_8unorm(dst,
                                                 trans->trans->stride,
                                                 src,
                                                 ptrans->stride,
                                                 width, height);
      break;
   case PIPE_FORMAT_RGTC2_UNORM:
   case PIPE_FORMAT_RGTC2_SNORM:
   case PIPE_FORMAT_LATC2_UNORM:
   case PIPE_FORMAT_LATC2_SNORM:
      util_format_rgtc2_unorm_unpack_rgba_8unorm(dst,
                                                 trans->trans->stride,
                                                 src,
                                                 ptrans->stride,
                                                 width, height);
      break;
   default:
      assert(!"Unexpected staging transfer type");
      break;
   }
}

void
u_transfer_helper_transfer_flush_region(struct pipe_context *pctx,
                                        struct pipe_transfer *ptrans,
                                        const struct pipe_box *box)
{
   struct u_transfer_helper *helper = pctx->screen->transfer_helper;

   if (handle_transfer(ptrans->resource)) {
      struct u_transfer *trans = u_transfer(ptrans);

      flush_region(pctx, ptrans, box);

      /* handle MSAA case, since there could be multiple levels of
       * wrapped transfer, call pctx->transfer_flush_region()
       * instead of helper->vtbl->transfer_flush_region()
       */
      if (trans->ss) {
         pctx->transfer_flush_region(pctx, trans->trans, box);
         return;
      }

      helper->vtbl->transfer_flush_region(pctx, trans->trans, box);
      if (trans->trans2)
         helper->vtbl->transfer_flush_region(pctx, trans->trans2, box);

   } else {
      helper->vtbl->transfer_flush_region(pctx, ptrans, box);
   }
}

void
u_transfer_helper_transfer_unmap(struct pipe_context *pctx,
                                 struct pipe_transfer *ptrans)
{
   struct u_transfer_helper *helper = pctx->screen->transfer_helper;

   if (handle_transfer(ptrans->resource)) {
      struct u_transfer *trans = u_transfer(ptrans);

      if (!(ptrans->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
         struct pipe_box box;
         u_box_2d(0, 0, ptrans->box.width, ptrans->box.height, &box);
         flush_region(pctx, ptrans, &box);
      }

      /* in MSAA case, there could be multiple levels of wrapping
       * so don't call helper->vtbl->transfer_unmap() directly
       */
      if (trans->ss) {
         pctx->transfer_unmap(pctx, trans->trans);
         pipe_resource_reference(&trans->ss, NULL);
      } else {
         helper->vtbl->transfer_unmap(pctx, trans->trans);
         if (trans->trans2)
            helper->vtbl->transfer_unmap(pctx, trans->trans2);
      }

      free(trans);
   } else {
      helper->vtbl->transfer_unmap(pctx, ptrans);
   }
}

struct u_transfer_helper *
u_transfer_helper_create(const struct u_transfer_vtbl *vtbl,
                         bool separate_z32s8,
                         bool fake_rgtc,
                         bool msaa_map)
{
   struct u_transfer_helper *helper = calloc(1, sizeof(*helper));

   helper->vtbl = vtbl;
   helper->separate_z32s8 = separate_z32s8;
   helper->fake_rgtc = fake_rgtc;
   helper->msaa_map = msaa_map;

   return helper;
}

void
u_transfer_helper_destroy(struct u_transfer_helper *helper)
{
   free(helper);
}
Ejemplo n.º 15
0
static void r600_blit_decompress_depth(struct pipe_context *ctx,
                                       struct r600_texture *texture,
                                       struct r600_texture *staging,
                                       unsigned first_level, unsigned last_level,
                                       unsigned first_layer, unsigned last_layer,
                                       unsigned first_sample, unsigned last_sample)
{
    struct r600_context *rctx = (struct r600_context *)ctx;
    unsigned layer, level, sample, checked_last_layer, max_layer, max_sample;
    struct r600_texture *flushed_depth_texture = staging ?
                staging : texture->flushed_depth_texture;
    const struct util_format_description *desc =
        util_format_description(texture->resource.b.b.format);
    float depth;

    if (!staging && !texture->dirty_level_mask)
        return;

    max_sample = u_max_sample(&texture->resource.b.b);

    /* XXX Decompressing MSAA depth textures is broken on R6xx.
     * There is also a hardlock if CMASK and FMASK are not present.
     * Just skip this until we find out how to fix it. */
    if (rctx->b.chip_class == R600 && max_sample > 0) {
        texture->dirty_level_mask = 0;
        return;
    }

    if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
            rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
        depth = 0.0f;
    else
        depth = 1.0f;

    /* Enable decompression in DB_RENDER_CONTROL */
    rctx->db_misc_state.flush_depthstencil_through_cb = true;
    rctx->db_misc_state.copy_depth = util_format_has_depth(desc);
    rctx->db_misc_state.copy_stencil = util_format_has_stencil(desc);
    rctx->db_misc_state.copy_sample = first_sample;
    r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);

    for (level = first_level; level <= last_level; level++) {
        if (!staging && !(texture->dirty_level_mask & (1 << level)))
            continue;

        /* The smaller the mipmap level, the less layers there are
         * as far as 3D textures are concerned. */
        max_layer = util_max_layer(&texture->resource.b.b, level);
        checked_last_layer = last_layer < max_layer ? last_layer : max_layer;

        for (layer = first_layer; layer <= checked_last_layer; layer++) {
            for (sample = first_sample; sample <= last_sample; sample++) {
                struct pipe_surface *zsurf, *cbsurf, surf_tmpl;

                if (sample != rctx->db_misc_state.copy_sample) {
                    rctx->db_misc_state.copy_sample = sample;
                    r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
                }

                surf_tmpl.format = texture->resource.b.b.format;
                surf_tmpl.u.tex.level = level;
                surf_tmpl.u.tex.first_layer = layer;
                surf_tmpl.u.tex.last_layer = layer;

                zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);

                surf_tmpl.format = flushed_depth_texture->resource.b.b.format;
                cbsurf = ctx->create_surface(ctx,
                                             &flushed_depth_texture->resource.b.b, &surf_tmpl);

                r600_blitter_begin(ctx, R600_DECOMPRESS);
                util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, 1 << sample,
                                                  rctx->custom_dsa_flush, depth);
                r600_blitter_end(ctx);

                pipe_surface_reference(&zsurf, NULL);
                pipe_surface_reference(&cbsurf, NULL);
            }
        }

        /* The texture will always be dirty if some layers or samples aren't flushed.
         * I don't think this case occurs often though. */
        if (!staging &&
                first_layer == 0 && last_layer == max_layer &&
                first_sample == 0 && last_sample == max_sample) {
            texture->dirty_level_mask &= ~(1 << level);
        }
    }

    /* reenable compression in DB_RENDER_CONTROL */
    rctx->db_misc_state.flush_depthstencil_through_cb = false;
    r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
}
Ejemplo n.º 16
0
static void *
fd_resource_transfer_map(struct pipe_context *pctx,
		struct pipe_resource *prsc,
		unsigned level, unsigned usage,
		const struct pipe_box *box,
		struct pipe_transfer **pptrans)
{
	struct fd_context *ctx = fd_context(pctx);
	struct fd_resource *rsc = fd_resource(prsc);
	struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
	struct fd_transfer *trans;
	struct pipe_transfer *ptrans;
	enum pipe_format format = prsc->format;
	uint32_t op = 0;
	uint32_t offset;
	char *buf;
	int ret = 0;

	DBG("prsc=%p, level=%u, usage=%x, box=%dx%d+%d,%d", prsc, level, usage,
		box->width, box->height, box->x, box->y);

	ptrans = util_slab_alloc(&ctx->transfer_pool);
	if (!ptrans)
		return NULL;

	/* util_slab_alloc() doesn't zero: */
	trans = fd_transfer(ptrans);
	memset(trans, 0, sizeof(*trans));

	pipe_resource_reference(&ptrans->resource, prsc);
	ptrans->level = level;
	ptrans->usage = usage;
	ptrans->box = *box;
	ptrans->stride = util_format_get_nblocksx(format, slice->pitch) * rsc->cpp;
	ptrans->layer_stride = rsc->layer_first ? rsc->layer_size : slice->size0;

	if (usage & PIPE_TRANSFER_READ)
		op |= DRM_FREEDRENO_PREP_READ;

	if (usage & PIPE_TRANSFER_WRITE)
		op |= DRM_FREEDRENO_PREP_WRITE;

	if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
		realloc_bo(rsc, fd_bo_size(rsc->bo));
		if (rsc->stencil)
			realloc_bo(rsc->stencil, fd_bo_size(rsc->stencil->bo));
		fd_invalidate_resource(ctx, prsc);
	} else if ((usage & PIPE_TRANSFER_WRITE) &&
			   prsc->target == PIPE_BUFFER &&
			   !util_ranges_intersect(&rsc->valid_buffer_range,
									  box->x, box->x + box->width)) {
		/* We are trying to write to a previously uninitialized range. No need
		 * to wait.
		 */
	} else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
		/* If the GPU is writing to the resource, or if it is reading from the
		 * resource and we're trying to write to it, flush the renders.
		 */
		if (((ptrans->usage & PIPE_TRANSFER_WRITE) &&
					pending(rsc, FD_PENDING_READ | FD_PENDING_WRITE)) ||
				pending(rsc, FD_PENDING_WRITE))
			fd_context_render(pctx);

		/* The GPU keeps track of how the various bo's are being used, and
		 * will wait if necessary for the proper operation to have
		 * completed.
		 */
		ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op);
		if (ret)
			goto fail;
	}

	buf = fd_bo_map(rsc->bo);
	if (!buf)
		goto fail;

	offset = slice->offset +
		box->y / util_format_get_blockheight(format) * ptrans->stride +
		box->x / util_format_get_blockwidth(format) * rsc->cpp +
		fd_resource_layer_offset(rsc, slice, box->z);

	if (prsc->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ||
		prsc->format == PIPE_FORMAT_X32_S8X24_UINT) {
		assert(trans->base.box.depth == 1);

		trans->base.stride = trans->base.box.width * rsc->cpp * 2;
		trans->staging = malloc(trans->base.stride * trans->base.box.height);
		if (!trans->staging)
			goto fail;

		/* if we're not discarding the whole range (or resource), we must copy
		 * the real data in.
		 */
		if (!(usage & (PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE |
					   PIPE_TRANSFER_DISCARD_RANGE))) {
			struct fd_resource_slice *sslice =
				fd_resource_slice(rsc->stencil, level);
			void *sbuf = fd_bo_map(rsc->stencil->bo);
			if (!sbuf)
				goto fail;

			float *depth = (float *)(buf + slice->offset +
				fd_resource_layer_offset(rsc, slice, box->z) +
				box->y * slice->pitch * 4 + box->x * 4);
			uint8_t *stencil = sbuf + sslice->offset +
				fd_resource_layer_offset(rsc->stencil, sslice, box->z) +
				box->y * sslice->pitch + box->x;

			if (format != PIPE_FORMAT_X32_S8X24_UINT)
				util_format_z32_float_s8x24_uint_pack_z_float(
						trans->staging, trans->base.stride,
						depth, slice->pitch * 4,
						box->width, box->height);

			util_format_z32_float_s8x24_uint_pack_s_8uint(
					trans->staging, trans->base.stride,
					stencil, sslice->pitch,
					box->width, box->height);
		}

		buf = trans->staging;
		offset = 0;
	} else if (rsc->internal_format != format &&
			   util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC) {
		assert(trans->base.box.depth == 1);

		trans->base.stride = util_format_get_stride(
				format, trans->base.box.width);
		trans->staging = malloc(
				util_format_get_2d_size(format, trans->base.stride,
										trans->base.box.height));
		if (!trans->staging)
			goto fail;

		/* if we're not discarding the whole range (or resource), we must copy
		 * the real data in.
		 */
		if (!(usage & (PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE |
					   PIPE_TRANSFER_DISCARD_RANGE))) {
			uint8_t *rgba8 = (uint8_t *)buf + slice->offset +
				fd_resource_layer_offset(rsc, slice, box->z) +
				box->y * slice->pitch * rsc->cpp + box->x * rsc->cpp;

			switch (format) {
			case PIPE_FORMAT_RGTC1_UNORM:
			case PIPE_FORMAT_RGTC1_SNORM:
			case PIPE_FORMAT_LATC1_UNORM:
			case PIPE_FORMAT_LATC1_SNORM:
				util_format_rgtc1_unorm_pack_rgba_8unorm(
					trans->staging, trans->base.stride,
					rgba8, slice->pitch * rsc->cpp,
					box->width, box->height);
				break;
			case PIPE_FORMAT_RGTC2_UNORM:
			case PIPE_FORMAT_RGTC2_SNORM:
			case PIPE_FORMAT_LATC2_UNORM:
			case PIPE_FORMAT_LATC2_SNORM:
				util_format_rgtc2_unorm_pack_rgba_8unorm(
					trans->staging, trans->base.stride,
					rgba8, slice->pitch * rsc->cpp,
					box->width, box->height);
				break;
			default:
				assert(!"Unexpected format");
				break;
			}
		}

		buf = trans->staging;
		offset = 0;
	}

	*pptrans = ptrans;

	return buf + offset;

fail:
	fd_resource_transfer_unmap(pctx, ptrans);
	return NULL;
}
Ejemplo n.º 17
0
static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
                                     const struct pipe_blit_info *info)
{
    struct r600_context *rctx = (struct r600_context*)ctx;
    struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
    unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level);
    unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level);
    enum pipe_format format = info->src.format;
    unsigned sample_mask =
        rctx->b.chip_class == CAYMAN ? ~0 :
        ((1ull << MAX2(1, info->src.resource->nr_samples)) - 1);
    struct pipe_resource *tmp, templ;
    struct pipe_blit_info blit;

    /* Check basic requirements for hw resolve. */
    if (!(info->src.resource->nr_samples > 1 &&
            info->dst.resource->nr_samples <= 1 &&
            !util_format_is_pure_integer(format) &&
            !util_format_is_depth_or_stencil(format) &&
            util_max_layer(info->src.resource, 0) == 0))
        return false;

    /* Check the remaining requirements for hw resolve. */
    if (util_max_layer(info->dst.resource, info->dst.level) == 0 &&
            util_is_format_compatible(util_format_description(info->src.format),
                                      util_format_description(info->dst.format)) &&
            !info->scissor_enable &&
            (info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA &&
            dst_width == info->src.resource->width0 &&
            dst_height == info->src.resource->height0 &&
            info->dst.box.x == 0 &&
            info->dst.box.y == 0 &&
            info->dst.box.width == dst_width &&
            info->dst.box.height == dst_height &&
            info->dst.box.depth == 1 &&
            info->src.box.x == 0 &&
            info->src.box.y == 0 &&
            info->src.box.width == dst_width &&
            info->src.box.height == dst_height &&
            info->src.box.depth == 1 &&
            dst->surface.level[info->dst.level].mode >= RADEON_SURF_MODE_1D &&
            (!dst->cmask.size || !dst->dirty_level_mask) /* dst cannot be fast-cleared */) {
        r600_blitter_begin(ctx, R600_COLOR_RESOLVE |
                           (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
        util_blitter_custom_resolve_color(rctx->blitter,
                                          info->dst.resource, info->dst.level,
                                          info->dst.box.z,
                                          info->src.resource, info->src.box.z,
                                          sample_mask, rctx->custom_blend_resolve,
                                          format);
        r600_blitter_end(ctx);
        return true;
    }

    /* Shader-based resolve is VERY SLOW. Instead, resolve into
     * a temporary texture and blit.
     */
    memset(&templ, 0, sizeof(templ));
    templ.target = PIPE_TEXTURE_2D;
    templ.format = info->src.resource->format;
    templ.width0 = info->src.resource->width0;
    templ.height0 = info->src.resource->height0;
    templ.depth0 = 1;
    templ.array_size = 1;
    templ.usage = PIPE_USAGE_DEFAULT;
    templ.flags = R600_RESOURCE_FLAG_FORCE_TILING;

    tmp = ctx->screen->resource_create(ctx->screen, &templ);
    if (!tmp)
        return false;

    /* resolve */
    r600_blitter_begin(ctx, R600_COLOR_RESOLVE |
                       (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
    util_blitter_custom_resolve_color(rctx->blitter, tmp, 0, 0,
                                      info->src.resource, info->src.box.z,
                                      sample_mask, rctx->custom_blend_resolve,
                                      format);
    r600_blitter_end(ctx);

    /* blit */
    blit = *info;
    blit.src.resource = tmp;
    blit.src.box.z = 0;

    r600_blitter_begin(ctx, R600_BLIT |
                       (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
    util_blitter_blit(rctx->blitter, &blit);
    r600_blitter_end(ctx);

    pipe_resource_reference(&tmp, NULL);
    return true;
}
Ejemplo n.º 18
0
/**
 * Create a new texture object, using the given template info.
 */
static struct pipe_resource *
fd_resource_create(struct pipe_screen *pscreen,
		const struct pipe_resource *tmpl)
{
	struct fd_resource *rsc = CALLOC_STRUCT(fd_resource);
	struct pipe_resource *prsc = &rsc->base.b;
	enum pipe_format format = tmpl->format;
	uint32_t size, alignment;

	DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
			"nr_samples=%u, usage=%u, bind=%x, flags=%x",
			tmpl->target, util_format_name(format),
			tmpl->width0, tmpl->height0, tmpl->depth0,
			tmpl->array_size, tmpl->last_level, tmpl->nr_samples,
			tmpl->usage, tmpl->bind, tmpl->flags);

	if (!rsc)
		return NULL;

	*prsc = *tmpl;

	pipe_reference_init(&prsc->reference, 1);
	list_inithead(&rsc->list);
	prsc->screen = pscreen;

	util_range_init(&rsc->valid_buffer_range);

	rsc->base.vtbl = &fd_resource_vtbl;

	if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
		format = PIPE_FORMAT_Z32_FLOAT;
	else if (fd_screen(pscreen)->gpu_id < 400 &&
			 util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC)
		format = PIPE_FORMAT_R8G8B8A8_UNORM;
	rsc->internal_format = format;
	rsc->cpp = util_format_get_blocksize(format);

	assert(rsc->cpp);

	alignment = slice_alignment(pscreen, tmpl);
	if (is_a4xx(fd_screen(pscreen))) {
		switch (tmpl->target) {
		case PIPE_TEXTURE_3D:
			rsc->layer_first = false;
			break;
		default:
			rsc->layer_first = true;
			alignment = 1;
			break;
		}
	}

	size = setup_slices(rsc, alignment, format);

	if (rsc->layer_first) {
		rsc->layer_size = align(size, 4096);
		size = rsc->layer_size * prsc->array_size;
	}

	realloc_bo(rsc, size);
	if (!rsc->bo)
		goto fail;

	/* There is no native Z32F_S8 sampling or rendering format, so this must
	 * be emulated via two separate textures. The depth texture still keeps
	 * its Z32F_S8 format though, and we also keep a reference to a separate
	 * S8 texture.
	 */
	if (tmpl->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
		struct pipe_resource stencil = *tmpl;
		stencil.format = PIPE_FORMAT_S8_UINT;
		rsc->stencil = fd_resource(fd_resource_create(pscreen, &stencil));
		if (!rsc->stencil)
			goto fail;
	}

	return prsc;
fail:
	fd_resource_destroy(pscreen, prsc);
	return NULL;
}
Ejemplo n.º 19
0
static void *
nvfx_vtxelts_state_create(struct pipe_context *pipe,
			  unsigned num_elements,
			  const struct pipe_vertex_element *elements)
{
	struct nvfx_vtxelt_state *cso = CALLOC_STRUCT(nvfx_vtxelt_state);
	struct translate_key transkey;
	unsigned per_vertex_size[16];
	unsigned vb_compacted_index[16];

	if(num_elements > 16)
	{
		_debug_printf("Error: application attempted to use %u vertex elements, but only 16 are supported: ignoring the rest\n", num_elements);
		num_elements = 16;
	}

	memset(per_vertex_size, 0, sizeof(per_vertex_size));
	memcpy(cso->pipe, elements, num_elements * sizeof(elements[0]));
	cso->num_elements = num_elements;
	cso->needs_translate = FALSE;

	transkey.nr_elements = 0;
	transkey.output_stride = 0;

	for(unsigned i = 0; i < num_elements; ++i)
        {
		const struct pipe_vertex_element* ve = &elements[i];
		if(!ve->instance_divisor)
                        per_vertex_size[ve->vertex_buffer_index] += util_format_get_stride(ve->src_format, 1);
        }

        for(unsigned i = 0; i < 16; ++i)
        {
                if(per_vertex_size[i])
                {
                        unsigned idx = cso->num_per_vertex_buffer_infos++;
                        cso->per_vertex_buffer_info[idx].vertex_buffer_index = i;
                        cso->per_vertex_buffer_info[idx].per_vertex_size = per_vertex_size[i];
                        vb_compacted_index[i] = idx;
                }
        }

	for(unsigned i = 0; i < num_elements; ++i)
	{
		const struct pipe_vertex_element* ve = &elements[i];
		unsigned type = nvfx_vertex_formats[ve->src_format];
		unsigned ncomp = util_format_get_nr_components(ve->src_format);

		//if(ve->frequency != PIPE_ELEMENT_FREQUENCY_PER_VERTEX)
		if(ve->instance_divisor)
		{
			struct nvfx_low_frequency_element* lfve;
			cso->vtxfmt[i] = NV30_3D_VTXFMT_TYPE_V32_FLOAT;

			//if(ve->frequency == PIPE_ELEMENT_FREQUENCY_CONSTANT)
			if(0)
				lfve = &cso->constant[cso->num_constant++];
			else
			{
				lfve = &cso->per_instance[cso->num_per_instance++].base;
				((struct nvfx_per_instance_element*)lfve)->instance_divisor = ve->instance_divisor;
			}

                        lfve->idx = i;
                        lfve->vertex_buffer_index = ve->vertex_buffer_index;
                        lfve->src_offset = ve->src_offset;
                        lfve->fetch_rgba_float = util_format_description(ve->src_format)->fetch_rgba_float;
                        lfve->ncomp = ncomp;
		}
		else
		{
			unsigned idx;

			idx = cso->num_per_vertex++;
			cso->per_vertex[idx].idx = i;
			cso->per_vertex[idx].vertex_buffer_index = ve->vertex_buffer_index;
			cso->per_vertex[idx].src_offset = ve->src_offset;

			idx = transkey.nr_elements++;
			transkey.element[idx].input_format = ve->src_format;
			transkey.element[idx].input_buffer = vb_compacted_index[ve->vertex_buffer_index];
			transkey.element[idx].input_offset = ve->src_offset;
			transkey.element[idx].instance_divisor = 0;
			transkey.element[idx].type = TRANSLATE_ELEMENT_NORMAL;
			if(type)
			{
				transkey.element[idx].output_format = ve->src_format;
				cso->vtxfmt[i] = (ncomp << NV30_3D_VTXFMT_SIZE__SHIFT) | type;
			}
			else
			{
				unsigned float32[4] = {PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT};
				transkey.element[idx].output_format = float32[ncomp - 1];
				cso->needs_translate = TRUE;
				cso->vtxfmt[i] = (ncomp << NV30_3D_VTXFMT_SIZE__SHIFT) | NV30_3D_VTXFMT_TYPE_V32_FLOAT;
			}
			transkey.element[idx].output_offset = transkey.output_stride;
			transkey.output_stride += (util_format_get_stride(transkey.element[idx].output_format, 1) + 3) & ~3;
		}
	}

	cso->translate = translate_create(&transkey);
	cso->vertex_length = transkey.output_stride >> 2;
	cso->max_vertices_per_packet = 2047 / MAX2(cso->vertex_length, 1);

	return (void *)cso;
}
static boolean r300_is_format_supported(struct pipe_screen* screen,
                                        enum pipe_format format,
                                        enum pipe_texture_target target,
                                        unsigned sample_count,
                                        unsigned usage)
{
    uint32_t retval = 0;
    boolean drm_2_8_0 = r300_screen(screen)->info.drm_minor >= 8;
    boolean is_r500 = r300_screen(screen)->caps.is_r500;
    boolean is_r400 = r300_screen(screen)->caps.is_r400;
    boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM ||
                              format == PIPE_FORMAT_R10G10B10X2_SNORM ||
                              format == PIPE_FORMAT_B10G10R10A2_UNORM ||
                              format == PIPE_FORMAT_R10SG10SB10SA2U_NORM;
    boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM ||
                       format == PIPE_FORMAT_RGTC1_SNORM ||
                       format == PIPE_FORMAT_LATC1_UNORM ||
                       format == PIPE_FORMAT_LATC1_SNORM;
    boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM ||
                       format == PIPE_FORMAT_RGTC2_SNORM ||
                       format == PIPE_FORMAT_LATC2_UNORM ||
                       format == PIPE_FORMAT_LATC2_SNORM;
    boolean is_x16f_xy16f = format == PIPE_FORMAT_R16_FLOAT ||
                            format == PIPE_FORMAT_R16G16_FLOAT ||
                            format == PIPE_FORMAT_A16_FLOAT ||
                            format == PIPE_FORMAT_L16_FLOAT ||
                            format == PIPE_FORMAT_L16A16_FLOAT ||
                            format == PIPE_FORMAT_I16_FLOAT;
    boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT ||
                            format == PIPE_FORMAT_R16G16_FLOAT ||
                            format == PIPE_FORMAT_R16G16B16_FLOAT ||
                            format == PIPE_FORMAT_R16G16B16A16_FLOAT;
    const struct util_format_description *desc;

    if (!util_format_is_supported(format, usage))
       return FALSE;

    /* Check multisampling support. */
    switch (sample_count) {
        case 0:
        case 1:
            break;
        case 2:
        case 4:
        case 6:
            /* We need DRM 2.8.0. */
            if (!drm_2_8_0) {
                return FALSE;
            }
            /* Only support R500, because I didn't test older chipsets,
             * but MSAA should work there too. */
            if (!is_r500 && !debug_get_bool_option("RADEON_MSAA", FALSE)) {
                return FALSE;
            }
            /* No texturing and scanout. */
            if (usage & (PIPE_BIND_SAMPLER_VIEW |
                         PIPE_BIND_DISPLAY_TARGET |
                         PIPE_BIND_SCANOUT)) {
                return FALSE;
            }

            desc = util_format_description(format);

            if (is_r500) {
                /* Only allow depth/stencil, RGBA8, RGBA1010102, RGBA16F. */
                if (!util_format_is_depth_or_stencil(format) &&
                    !util_format_is_rgba8_variant(desc) &&
                    !util_format_is_rgba1010102_variant(desc) &&
                    format != PIPE_FORMAT_R16G16B16A16_FLOAT) {
                    return FALSE;
                }
            } else {
                /* Only allow depth/stencil, RGBA8. */
                if (!util_format_is_depth_or_stencil(format) &&
                    !util_format_is_rgba8_variant(desc)) {
                    return FALSE;
                }
            }
            break;
        default:
            return FALSE;
    }

    /* Check sampler format support. */
    if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
        /* ATI1N is r5xx-only. */
        (is_r500 || !is_ati1n) &&
        /* ATI2N is supported on r4xx-r5xx. */
        (is_r400 || is_r500 || !is_ati2n) &&
        /* R16F and RG16F texture support was added in as late as DRM 2.8.0 */
        (drm_2_8_0 || !is_x16f_xy16f) &&
        r300_is_sampler_format_supported(format)) {
        retval |= PIPE_BIND_SAMPLER_VIEW;
    }

    /* Check colorbuffer format support. */
    if ((usage & (PIPE_BIND_RENDER_TARGET |
                  PIPE_BIND_DISPLAY_TARGET |
                  PIPE_BIND_SCANOUT |
                  PIPE_BIND_SHARED)) &&
        /* 2101010 cannot be rendered to on non-r5xx. */
        (!is_color2101010 || (is_r500 && drm_2_8_0)) &&
        r300_is_colorbuffer_format_supported(format)) {
        retval |= usage &
            (PIPE_BIND_RENDER_TARGET |
             PIPE_BIND_DISPLAY_TARGET |
             PIPE_BIND_SCANOUT |
             PIPE_BIND_SHARED);
    }

    /* Check depth-stencil format support. */
    if (usage & PIPE_BIND_DEPTH_STENCIL &&
        r300_is_zs_format_supported(format)) {
        retval |= PIPE_BIND_DEPTH_STENCIL;
    }

    /* Check vertex buffer format support. */
    if (usage & PIPE_BIND_VERTEX_BUFFER) {
        if (r300_screen(screen)->caps.has_tcl) {
            /* Half float is supported on >= R400. */
            if ((is_r400 || is_r500 || !is_half_float) &&
                r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) {
                retval |= PIPE_BIND_VERTEX_BUFFER;
            }
        } else {
            /* SW TCL */
            if (!util_format_is_pure_integer(format)) {
                retval |= PIPE_BIND_VERTEX_BUFFER;
            }
        }
    }

    /* Transfers are always supported. */
    if (usage & PIPE_BIND_TRANSFER_READ)
        retval |= PIPE_BIND_TRANSFER_READ;
    if (usage & PIPE_BIND_TRANSFER_WRITE)
        retval |= PIPE_BIND_TRANSFER_WRITE;

    return retval == usage;
}
Ejemplo n.º 21
0
/**
 * Query format support for creating a texture, drawing surface, etc.
 * \param format  the format to test
 * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 */
static boolean
llvmpipe_is_format_supported( struct pipe_screen *_screen,
                              enum pipe_format format,
                              enum pipe_texture_target target,
                              unsigned sample_count,
                              unsigned bind)
{
   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
   struct sw_winsys *winsys = screen->winsys;
   const struct util_format_description *format_desc;

   format_desc = util_format_description(format);
   if (!format_desc)
      return FALSE;

   assert(target == PIPE_BUFFER ||
          target == PIPE_TEXTURE_1D ||
          target == PIPE_TEXTURE_1D_ARRAY ||
          target == PIPE_TEXTURE_2D ||
          target == PIPE_TEXTURE_2D_ARRAY ||
          target == PIPE_TEXTURE_RECT ||
          target == PIPE_TEXTURE_3D ||
          target == PIPE_TEXTURE_CUBE ||
          target == PIPE_TEXTURE_CUBE_ARRAY);

   if (sample_count > 1)
      return FALSE;

   if (bind & PIPE_BIND_RENDER_TARGET) {
      if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
         /* this is a lie actually other formats COULD exist where we would fail */
         if (format_desc->nr_channels < 3)
            return FALSE;
      }
      else if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB)
         return FALSE;

      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN &&
          format != PIPE_FORMAT_R11G11B10_FLOAT)
         return FALSE;

      assert(format_desc->block.width == 1);
      assert(format_desc->block.height == 1);

      if (format_desc->is_mixed)
         return FALSE;

      if (!format_desc->is_array && !format_desc->is_bitmask &&
          format != PIPE_FORMAT_R11G11B10_FLOAT)
         return FALSE;
   }

   if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
       ((bind & PIPE_BIND_DISPLAY_TARGET) == 0)) {
      /* Disable all 3-channel formats, where channel size != 32 bits.
       * In some cases we run into crashes (in generate_unswizzled_blend()),
       * for 3-channel RGB16 variants, there was an apparent LLVM bug.
       * In any case, disabling the shallower 3-channel formats avoids a
       * number of issues with GL_ARB_copy_image support.
       */
      if (format_desc->is_array &&
          format_desc->nr_channels == 3 &&
          format_desc->block.bits != 96) {
         return FALSE;
      }
   }

   if (bind & PIPE_BIND_DISPLAY_TARGET) {
      if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
         return FALSE;
   }

   if (bind & PIPE_BIND_DEPTH_STENCIL) {
      if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
         return FALSE;

      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      /* TODO: Support stencil-only formats */
      if (format_desc->swizzle[0] == PIPE_SWIZZLE_NONE) {
         return FALSE;
      }
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
       format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
      /* Software decoding is not hooked up. */
      return FALSE;
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
       format != PIPE_FORMAT_ETC1_RGB8)
      return FALSE;

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
      return util_format_s3tc_enabled;
   }

   /*
    * Everything can be supported by u_format
    * (those without fetch_rgba_float might be not but shouldn't hit that)
    */

   return TRUE;
}
Ejemplo n.º 22
0
static void si_blit_decompress_depth(struct pipe_context *ctx,
				     struct r600_texture *texture,
				     struct r600_texture *staging,
				     unsigned first_level, unsigned last_level,
				     unsigned first_layer, unsigned last_layer,
				     unsigned first_sample, unsigned last_sample)
{
	struct si_context *sctx = (struct si_context *)ctx;
	unsigned layer, level, sample, checked_last_layer, max_layer, max_sample;
	float depth = 1.0f;
	const struct util_format_description *desc;
	struct r600_texture *flushed_depth_texture = staging ?
			staging : texture->flushed_depth_texture;

	if (!staging && !texture->dirty_level_mask)
		return;

	max_sample = u_max_sample(&texture->resource.b.b);

	desc = util_format_description(flushed_depth_texture->resource.b.b.format);

	if (util_format_has_depth(desc))
		sctx->dbcb_depth_copy_enabled = true;
	if (util_format_has_stencil(desc))
		sctx->dbcb_stencil_copy_enabled = true;

	assert(sctx->dbcb_depth_copy_enabled || sctx->dbcb_stencil_copy_enabled);

	for (level = first_level; level <= last_level; level++) {
		if (!staging && !(texture->dirty_level_mask & (1 << level)))
			continue;

		/* The smaller the mipmap level, the less layers there are
		 * as far as 3D textures are concerned. */
		max_layer = util_max_layer(&texture->resource.b.b, level);
		checked_last_layer = last_layer < max_layer ? last_layer : max_layer;

		for (layer = first_layer; layer <= checked_last_layer; layer++) {
			for (sample = first_sample; sample <= last_sample; sample++) {
				struct pipe_surface *zsurf, *cbsurf, surf_tmpl;

				sctx->dbcb_copy_sample = sample;
				si_mark_atom_dirty(sctx, &sctx->db_render_state);

				surf_tmpl.format = texture->resource.b.b.format;
				surf_tmpl.u.tex.level = level;
				surf_tmpl.u.tex.first_layer = layer;
				surf_tmpl.u.tex.last_layer = layer;

				zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);

				surf_tmpl.format = flushed_depth_texture->resource.b.b.format;
				cbsurf = ctx->create_surface(ctx,
						(struct pipe_resource*)flushed_depth_texture, &surf_tmpl);

				si_blitter_begin(ctx, SI_DECOMPRESS);
				util_blitter_custom_depth_stencil(sctx->blitter, zsurf, cbsurf, 1 << sample,
								  sctx->custom_dsa_flush, depth);
				si_blitter_end(ctx);

				pipe_surface_reference(&zsurf, NULL);
				pipe_surface_reference(&cbsurf, NULL);
			}
		}

		/* The texture will always be dirty if some layers aren't flushed.
		 * I don't think this case can occur though. */
		if (!staging &&
		    first_layer == 0 && last_layer == max_layer &&
		    first_sample == 0 && last_sample == max_sample) {
			texture->dirty_level_mask &= ~(1 << level);
		}
	}

	sctx->dbcb_depth_copy_enabled = false;
	sctx->dbcb_stencil_copy_enabled = false;
	si_mark_atom_dirty(sctx, &sctx->db_render_state);
}
Ejemplo n.º 23
0
/**
 * Query format support for creating a texture, drawing surface, etc.
 * \param format  the format to test
 * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 */
static boolean
softpipe_is_format_supported( struct pipe_screen *screen,
                              enum pipe_format format,
                              enum pipe_texture_target target,
                              unsigned sample_count,
                              unsigned bind)
{
   struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
   const struct util_format_description *format_desc;

   assert(target == PIPE_BUFFER ||
          target == PIPE_TEXTURE_1D ||
          target == PIPE_TEXTURE_1D_ARRAY ||
          target == PIPE_TEXTURE_2D ||
          target == PIPE_TEXTURE_2D_ARRAY ||
          target == PIPE_TEXTURE_RECT ||
          target == PIPE_TEXTURE_3D ||
          target == PIPE_TEXTURE_CUBE ||
          target == PIPE_TEXTURE_CUBE_ARRAY);

   format_desc = util_format_description(format);
   if (!format_desc)
      return FALSE;

   if (sample_count > 1)
      return FALSE;

   if (bind & (PIPE_BIND_DISPLAY_TARGET |
               PIPE_BIND_SCANOUT |
               PIPE_BIND_SHARED)) {
      if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
         return FALSE;
   }

   if (bind & PIPE_BIND_RENDER_TARGET) {
      if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;

      /*
       * Although possible, it is unnatural to render into compressed or YUV
       * surfaces. So disable these here to avoid going into weird paths
       * inside the state trackers.
       */
      if (format_desc->block.width != 1 ||
          format_desc->block.height != 1)
         return FALSE;
   }

   if (bind & PIPE_BIND_DEPTH_STENCIL) {
      if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
         return FALSE;
   }

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
      /* Software decoding is not hooked up. */
      return FALSE;
   }

   /*
    * All other operations (sampling, transfer, etc).
    */

   if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
      return util_format_s3tc_enabled;
   }

   /*
    * Everything else should be supported by u_format.
    */
   return TRUE;
}
Ejemplo n.º 24
0
static struct r600_resource_texture *
r600_texture_create_object(struct pipe_screen *screen,
			   const struct pipe_resource *base,
			   unsigned array_mode,
			   unsigned pitch_in_bytes_override,
			   unsigned max_buffer_size,
			   struct pb_buffer *buf,
			   boolean alloc_bo,
			   struct radeon_surface *surface)
{
	struct r600_resource_texture *rtex;
	struct si_resource *resource;
	struct r600_screen *rscreen = (struct r600_screen*)screen;
	int r;

	rtex = CALLOC_STRUCT(r600_resource_texture);
	if (rtex == NULL)
		return NULL;

	resource = &rtex->resource;
	resource->b.b = *base;
	resource->b.vtbl = &r600_texture_vtbl;
	pipe_reference_init(&resource->b.b.reference, 1);
	resource->b.b.screen = screen;
	rtex->pitch_override = pitch_in_bytes_override;
	rtex->real_format = base->format;

	/* don't include stencil-only formats which we don't support for rendering */
	rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));

	rtex->surface = *surface;
	r = r600_setup_surface(screen, rtex, array_mode, pitch_in_bytes_override);
	if (r) {
		FREE(rtex);
		return NULL;
	}

	/* Now create the backing buffer. */
	if (!buf && alloc_bo) {
		unsigned base_align = rtex->surface.bo_alignment;
		unsigned size = rtex->surface.bo_size;

		base_align = rtex->surface.bo_alignment;
		if (!si_init_resource(rscreen, resource, size, base_align, FALSE, base->usage)) {
			FREE(rtex);
			return NULL;
		}
	} else if (buf) {
		resource->buf = buf;
		resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf);
		resource->domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM;
	}

	if (debug_get_option_print_texdepth() && rtex->is_depth) {
		printf("Texture: npix_x=%u, npix_y=%u, npix_z=%u, blk_w=%u, "
		       "blk_h=%u, blk_d=%u, array_size=%u, last_level=%u, "
		       "bpe=%u, nsamples=%u, flags=%u\n",
		       rtex->surface.npix_x, rtex->surface.npix_y,
		       rtex->surface.npix_z, rtex->surface.blk_w,
		       rtex->surface.blk_h, rtex->surface.blk_d,
		       rtex->surface.array_size, rtex->surface.last_level,
		       rtex->surface.bpe, rtex->surface.nsamples,
		       rtex->surface.flags);
		if (rtex->surface.flags & RADEON_SURF_ZBUFFER) {
			for (int i = 0; i <= rtex->surface.last_level; i++) {
				printf("  Z %i: offset=%llu, slice_size=%llu, npix_x=%u, "
				       "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
				       "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
				       i, rtex->surface.level[i].offset,
				       rtex->surface.level[i].slice_size,
				       rtex->surface.level[i].npix_x,
				       rtex->surface.level[i].npix_y,
				       rtex->surface.level[i].npix_z,
				       rtex->surface.level[i].nblk_x,
				       rtex->surface.level[i].nblk_y,
				       rtex->surface.level[i].nblk_z,
				       rtex->surface.level[i].pitch_bytes,
				       rtex->surface.level[i].mode);
			}
		}
		if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
			for (int i = 0; i <= rtex->surface.last_level; i++) {
				printf("  S %i: offset=%llu, slice_size=%llu, npix_x=%u, "
				       "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
				       "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
				       i, rtex->surface.stencil_level[i].offset,
				       rtex->surface.stencil_level[i].slice_size,
				       rtex->surface.stencil_level[i].npix_x,
				       rtex->surface.stencil_level[i].npix_y,
				       rtex->surface.stencil_level[i].npix_z,
				       rtex->surface.stencil_level[i].nblk_x,
				       rtex->surface.stencil_level[i].nblk_y,
				       rtex->surface.stencil_level[i].nblk_z,
				       rtex->surface.stencil_level[i].pitch_bytes,
				       rtex->surface.stencil_level[i].mode);
			}
		}
	}
	return rtex;
}
static void vi_get_fast_clear_parameters(enum pipe_format surface_format,
					 const union pipe_color_union *color,
					 uint32_t* reset_value,
					 bool* clear_words_needed)
{
	bool values[4] = {};
	int i;
	bool main_value = false;
	bool extra_value = false;
	int extra_channel;
	const struct util_format_description *desc = util_format_description(surface_format);

	*clear_words_needed = true;
	*reset_value = 0x20202020U;

	/* If we want to clear without needing a fast clear eliminate step, we
	 * can set each channel to 0 or 1 (or 0/max for integer formats). We
	 * have two sets of flags, one for the last or first channel(extra) and
	 * one for the other channels(main).
	 */

	if (surface_format == PIPE_FORMAT_R11G11B10_FLOAT ||
	    surface_format == PIPE_FORMAT_B5G6R5_UNORM ||
	    surface_format == PIPE_FORMAT_B5G6R5_SRGB) {
		extra_channel = -1;
	} else if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
		if(r600_translate_colorswap(surface_format) <= 1)
			extra_channel = desc->nr_channels - 1;
		else
			extra_channel = 0;
	} else
		return;

	for (i = 0; i < 4; ++i) {
		int index = desc->swizzle[i] - UTIL_FORMAT_SWIZZLE_X;

		if (desc->swizzle[i] < UTIL_FORMAT_SWIZZLE_X ||
		    desc->swizzle[i] > UTIL_FORMAT_SWIZZLE_W)
			continue;

		if (util_format_is_pure_sint(surface_format)) {
			values[i] = color->i[i] != 0;
			if (color->i[i] != 0 && color->i[i] != INT32_MAX)
				return;
		} else if (util_format_is_pure_uint(surface_format)) {
			values[i] = color->ui[i] != 0U;
			if (color->ui[i] != 0U && color->ui[i] != UINT32_MAX)
				return;
		} else {
			values[i] = color->f[i] != 0.0F;
			if (color->f[i] != 0.0F && color->f[i] != 1.0F)
				return;
		}

		if (index == extra_channel)
			extra_value = values[i];
		else
			main_value = values[i];
	}

	for (int i = 0; i < 4; ++i)
		if (values[i] != main_value &&
		    desc->swizzle[i] - UTIL_FORMAT_SWIZZLE_X != extra_channel &&
		    desc->swizzle[i] >= UTIL_FORMAT_SWIZZLE_X &&
		    desc->swizzle[i] <= UTIL_FORMAT_SWIZZLE_W)
			return;

	*clear_words_needed = false;
	if (main_value)
		*reset_value |= 0x80808080U;

	if (extra_value)
		*reset_value |= 0x40404040U;
}
Ejemplo n.º 26
0
struct pipe_sampler_view *
nvc0_create_texture_view(struct pipe_context *pipe,
                         struct pipe_resource *texture,
                         const struct pipe_sampler_view *templ,
                         uint32_t flags,
                         enum pipe_texture_target target)
{
   const struct util_format_description *desc;
   uint64_t address;
   uint32_t *tic;
   uint32_t swz[4];
   uint32_t width, height;
   uint32_t depth;
   struct nv50_tic_entry *view;
   struct nv50_miptree *mt;
   boolean tex_int;

   view = MALLOC_STRUCT(nv50_tic_entry);
   if (!view)
      return NULL;
   mt = nv50_miptree(texture);

   view->pipe = *templ;
   view->pipe.reference.count = 1;
   view->pipe.texture = NULL;
   view->pipe.context = pipe;

   view->id = -1;

   pipe_resource_reference(&view->pipe.texture, texture);

   tic = &view->tic[0];

   desc = util_format_description(view->pipe.format);

   tic[0] = nvc0_format_table[view->pipe.format].tic;

   tex_int = util_format_is_pure_integer(view->pipe.format);

   swz[0] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_r, tex_int);
   swz[1] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_g, tex_int);
   swz[2] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_b, tex_int);
   swz[3] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_a, tex_int);
   tic[0] = (tic[0] & ~NV50_TIC_0_SWIZZLE__MASK) |
      (swz[0] << NV50_TIC_0_MAPR__SHIFT) |
      (swz[1] << NV50_TIC_0_MAPG__SHIFT) |
      (swz[2] << NV50_TIC_0_MAPB__SHIFT) |
      (swz[3] << NV50_TIC_0_MAPA__SHIFT);

   address = mt->base.address;

   tic[2] = 0x10001000 | NV50_TIC_2_NO_BORDER;

   if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
      tic[2] |= NV50_TIC_2_COLORSPACE_SRGB;

   if (!(flags & NV50_TEXVIEW_SCALED_COORDS))
      tic[2] |= NV50_TIC_2_NORMALIZED_COORDS;

   /* check for linear storage type */
   if (unlikely(!nouveau_bo_memtype(nv04_resource(texture)->bo))) {
      if (texture->target == PIPE_BUFFER) {
         assert(!(tic[2] & NV50_TIC_2_NORMALIZED_COORDS));
         address +=
            view->pipe.u.buf.first_element * desc->block.bits / 8;
         tic[2] |= NV50_TIC_2_LINEAR | NV50_TIC_2_TARGET_BUFFER;
         tic[3] = 0;
         tic[4] = /* width */
            view->pipe.u.buf.last_element - view->pipe.u.buf.first_element + 1;
         tic[5] = 0;
      } else {
         /* must be 2D texture without mip maps */
         tic[2] |= NV50_TIC_2_LINEAR | NV50_TIC_2_TARGET_RECT;
         tic[3] = mt->level[0].pitch;
         tic[4] = mt->base.base.width0;
         tic[5] = (1 << 16) | mt->base.base.height0;
      }
      tic[6] =
      tic[7] = 0;
      tic[1] = address;
      tic[2] |= address >> 32;
      return &view->pipe;
   }

   tic[2] |=
      ((mt->level[0].tile_mode & 0x0f0) << (22 - 4)) |
      ((mt->level[0].tile_mode & 0xf00) << (25 - 8));

   depth = MAX2(mt->base.base.array_size, mt->base.base.depth0);

   if (mt->base.base.array_size > 1) {
      /* there doesn't seem to be a base layer field in TIC */
      address += view->pipe.u.tex.first_layer * mt->layer_stride;
      depth = view->pipe.u.tex.last_layer - view->pipe.u.tex.first_layer + 1;
   }
   tic[1] = address;
   tic[2] |= address >> 32;

   switch (target) {
   case PIPE_TEXTURE_1D:
      tic[2] |= NV50_TIC_2_TARGET_1D;
      break;
   case PIPE_TEXTURE_2D:
      tic[2] |= NV50_TIC_2_TARGET_2D;
      break;
   case PIPE_TEXTURE_RECT:
      tic[2] |= NV50_TIC_2_TARGET_2D;
      break;
   case PIPE_TEXTURE_3D:
      tic[2] |= NV50_TIC_2_TARGET_3D;
      break;
   case PIPE_TEXTURE_CUBE:
      depth /= 6;
      tic[2] |= NV50_TIC_2_TARGET_CUBE;
      break;
   case PIPE_TEXTURE_1D_ARRAY:
      tic[2] |= NV50_TIC_2_TARGET_1D_ARRAY;
      break;
   case PIPE_TEXTURE_2D_ARRAY:
      tic[2] |= NV50_TIC_2_TARGET_2D_ARRAY;
      break;
   case PIPE_TEXTURE_CUBE_ARRAY:
      depth /= 6;
      tic[2] |= NV50_TIC_2_TARGET_CUBE_ARRAY;
      break;
   default:
      NOUVEAU_ERR("unexpected/invalid texture target: %d\n",
                  mt->base.base.target);
      return FALSE;
   }

   tic[3] = (flags & NV50_TEXVIEW_FILTER_MSAA8) ? 0x20000000 : 0x00300000;

   if (flags & NV50_TEXVIEW_ACCESS_RESOLVE) {
      width = mt->base.base.width0 << mt->ms_x;
      height = mt->base.base.height0 << mt->ms_y;
   } else {
      width = mt->base.base.width0;
      height = mt->base.base.height0;
   }

   tic[4] = (1 << 31) | width;

   tic[5] = height & 0xffff;
   tic[5] |= depth << 16;
   tic[5] |= mt->base.base.last_level << 28;

   /* sampling points: (?) */
   if (flags & NV50_TEXVIEW_ACCESS_RESOLVE)
      tic[6] = (mt->ms_x > 1) ? 0x88000000 : 0x03000000;
   else
      tic[6] = 0x03000000;

   tic[7] = (view->pipe.u.tex.last_level << 4) | view->pipe.u.tex.first_level;
   tic[7] |= mt->ms_mode << 12;

   return &view->pipe;
}
static unsigned r600_choose_tiling(struct r600_common_screen *rscreen,
				   const struct pipe_resource *templ)
{
	const struct util_format_description *desc = util_format_description(templ->format);
	bool force_tiling = templ->flags & R600_RESOURCE_FLAG_FORCE_TILING;

	/* MSAA resources must be 2D tiled. */
	if (templ->nr_samples > 1)
		return RADEON_SURF_MODE_2D;

	/* Transfer resources should be linear. */
	if (templ->flags & R600_RESOURCE_FLAG_TRANSFER)
		return RADEON_SURF_MODE_LINEAR_ALIGNED;

	/* r600g: force tiling on TEXTURE_2D and TEXTURE_3D compute resources. */
	if (rscreen->chip_class >= R600 && rscreen->chip_class <= CAYMAN &&
	    (templ->bind & PIPE_BIND_COMPUTE_RESOURCE) &&
	    (templ->target == PIPE_TEXTURE_2D ||
	     templ->target == PIPE_TEXTURE_3D))
		force_tiling = true;

	/* Handle common candidates for the linear mode.
	 * Compressed textures must always be tiled. */
	if (!force_tiling && !util_format_is_compressed(templ->format)) {
		/* Not everything can be linear, so we cannot enforce it
		 * for all textures. */
		if ((rscreen->debug_flags & DBG_NO_TILING) &&
		    (!util_format_is_depth_or_stencil(templ->format) ||
		     !(templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH)))
			return RADEON_SURF_MODE_LINEAR_ALIGNED;

		/* Tiling doesn't work with the 422 (SUBSAMPLED) formats on R600+. */
		if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
			return RADEON_SURF_MODE_LINEAR_ALIGNED;

		/* Cursors are linear on SI.
		 * (XXX double-check, maybe also use RADEON_SURF_SCANOUT) */
		if (rscreen->chip_class >= SI &&
		    (templ->bind & PIPE_BIND_CURSOR))
			return RADEON_SURF_MODE_LINEAR_ALIGNED;

		if (templ->bind & PIPE_BIND_LINEAR)
			return RADEON_SURF_MODE_LINEAR_ALIGNED;

		/* Textures with a very small height are recommended to be linear. */
		if (templ->target == PIPE_TEXTURE_1D ||
		    templ->target == PIPE_TEXTURE_1D_ARRAY ||
		    templ->height0 <= 4)
			return RADEON_SURF_MODE_LINEAR_ALIGNED;

		/* Textures likely to be mapped often. */
		if (templ->usage == PIPE_USAGE_STAGING ||
		    templ->usage == PIPE_USAGE_STREAM)
			return RADEON_SURF_MODE_LINEAR_ALIGNED;
	}

	/* Make small textures 1D tiled. */
	if (templ->width0 <= 16 || templ->height0 <= 16 ||
	    (rscreen->debug_flags & DBG_NO_2D_TILING))
		return RADEON_SURF_MODE_1D;

	/* The allocator will switch to 1D if needed. */
	return RADEON_SURF_MODE_2D;
}
Ejemplo n.º 28
0
/**
 * Copy pixel block from src surface to dst surface.
 * Overlapping regions are acceptable.
 * Flipping and stretching are supported.
 * \param filter  one of PIPE_TEX_FILTER_NEAREST/LINEAR
 * \param writemask  bitmask of PIPE_MASK_[RGBAZS].  Controls which channels
 *                   in the dest surface are sourced from the src surface.
 *                   Disabled color channels are sourced from (0,0,0,1).
 */
void
util_blit_pixels(struct blit_state *ctx,
                 struct pipe_resource *src_tex,
                 unsigned src_level,
                 int srcX0, int srcY0,
                 int srcX1, int srcY1,
                 int srcZ0,
                 struct pipe_surface *dst,
                 int dstX0, int dstY0,
                 int dstX1, int dstY1,
                 MAYBE_UNUSED float z,
                 enum pipe_tex_filter filter,
                 uint writemask)
{
   struct pipe_context *pipe = ctx->pipe;
   enum pipe_format src_format, dst_format;
   const int srcW = abs(srcX1 - srcX0);
   const int srcH = abs(srcY1 - srcY0);
   boolean overlap;
   boolean is_stencil, is_depth, blit_depth, blit_stencil;
   const struct util_format_description *src_desc =
         util_format_description(src_tex->format);
   struct pipe_blit_info info;

   assert(filter == PIPE_TEX_FILTER_NEAREST ||
          filter == PIPE_TEX_FILTER_LINEAR);

   assert(src_level <= src_tex->last_level);

   /* do the regions overlap? */
   overlap = src_tex == dst->texture &&
             dst->u.tex.level == src_level &&
             dst->u.tex.first_layer == srcZ0 &&
      regions_overlap(srcX0, srcY0, srcX1, srcY1,
                      dstX0, dstY0, dstX1, dstY1);

   src_format = util_format_linear(src_tex->format);
   dst_format = util_format_linear(dst->texture->format);

   /* See whether we will blit depth or stencil. */
   is_depth = util_format_has_depth(src_desc);
   is_stencil = util_format_has_stencil(src_desc);

   blit_depth = is_depth && (writemask & PIPE_MASK_Z);
   blit_stencil = is_stencil && (writemask & PIPE_MASK_S);

   if (is_depth || is_stencil) {
      assert((writemask & PIPE_MASK_RGBA) == 0);
      assert(blit_depth || blit_stencil);
   }
   else {
      assert((writemask & PIPE_MASK_ZS) == 0);
      assert(!blit_depth);
      assert(!blit_stencil);
   }

   /*
    * XXX: z parameter is deprecated. dst->u.tex.first_layer
    * specificies the destination layer.
    */
   assert(z == 0.0f);

   /*
    * Check for simple case:  no format conversion, no flipping, no stretching,
    * no overlapping, same number of samples.
    * Filter mode should not matter since there's no stretching.
    */
   if (formats_compatible(src_format, dst_format) &&
       src_tex->nr_samples == dst->texture->nr_samples &&
       is_stencil == blit_stencil &&
       is_depth == blit_depth &&
       srcX0 < srcX1 &&
       dstX0 < dstX1 &&
       srcY0 < srcY1 &&
       dstY0 < dstY1 &&
       (dstX1 - dstX0) == (srcX1 - srcX0) &&
       (dstY1 - dstY0) == (srcY1 - srcY0) &&
       !overlap) {
      struct pipe_box src_box;
      src_box.x = srcX0;
      src_box.y = srcY0;
      src_box.z = srcZ0;
      src_box.width = srcW;
      src_box.height = srcH;
      src_box.depth = 1;
      pipe->resource_copy_region(pipe,
                                 dst->texture, dst->u.tex.level,
                                 dstX0, dstY0, dst->u.tex.first_layer,/* dest */
                                 src_tex, src_level,
                                 &src_box);
      return;
   }

   memset(&info, 0, sizeof info);
   info.dst.resource = dst->texture;
   info.dst.level = dst->u.tex.level;
   info.dst.box.x = dstX0;
   info.dst.box.y = dstY0;
   info.dst.box.z = dst->u.tex.first_layer;
   info.dst.box.width = dstX1 - dstX0;
   info.dst.box.height = dstY1 - dstY0;
   assert(info.dst.box.width >= 0);
   assert(info.dst.box.height >= 0);
   info.dst.box.depth = 1;
   info.dst.format = dst_format;
   info.src.resource = src_tex;
   info.src.level = src_level;
   info.src.box.x = srcX0;
   info.src.box.y = srcY0;
   info.src.box.z = srcZ0;
   info.src.box.width = srcX1 - srcX0;
   info.src.box.height = srcY1 - srcY0;
   info.src.box.depth = 1;
   info.src.format = src_format;
   info.mask = writemask;
   info.filter = filter;
   info.scissor_enable = 0;

   pipe->blit(pipe, &info);
}
/* Shader output formats. This is essentially the swizzle from the shader
 * to the RB3D block.
 *
 * Note that formats are stored from C3 to C0. */
static uint32_t r300_translate_out_fmt(enum pipe_format format)
{
    uint32_t modifier = 0;
    unsigned i;
    const struct util_format_description *desc;
    boolean uniform_sign;

    desc = util_format_description(format);

    /* Find the first non-VOID channel. */
    for (i = 0; i < 4; i++) {
        if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
            break;
        }
    }

    if (i == 4)
        return ~0; /* Unsupported/unknown. */

    /* Specifies how the shader output is written to the fog unit. */
    switch (desc->channel[i].type) {
    case UTIL_FORMAT_TYPE_FLOAT:
        switch (desc->channel[i].size) {
        case 32:
            switch (desc->nr_channels) {
            case 1:
                modifier |= R300_US_OUT_FMT_C_32_FP;
                break;
            case 2:
                modifier |= R300_US_OUT_FMT_C2_32_FP;
                break;
            case 4:
                modifier |= R300_US_OUT_FMT_C4_32_FP;
                break;
            }
            break;

        case 16:
            switch (desc->nr_channels) {
            case 1:
                modifier |= R300_US_OUT_FMT_C_16_FP;
                break;
            case 2:
                modifier |= R300_US_OUT_FMT_C2_16_FP;
                break;
            case 4:
                modifier |= R300_US_OUT_FMT_C4_16_FP;
                break;
            }
            break;
        }
        break;

    default:
        switch (desc->channel[i].size) {
        case 16:
            switch (desc->nr_channels) {
            case 1:
                modifier |= R300_US_OUT_FMT_C_16;
                break;
            case 2:
                modifier |= R300_US_OUT_FMT_C2_16;
                break;
            case 4:
                modifier |= R300_US_OUT_FMT_C4_16;
                break;
            }
            break;

        case 10:
            modifier |= R300_US_OUT_FMT_C4_10;
            break;

        default:
            /* C4_8 seems to be used for the formats whose pixel size
             * is <= 32 bits. */
            modifier |= R300_US_OUT_FMT_C4_8;
            break;
        }
    }

    /* Add sign. */
    uniform_sign = TRUE;
    for (i = 0; i < desc->nr_channels; i++)
        if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED)
            uniform_sign = FALSE;

    if (uniform_sign)
        modifier |= R300_OUT_SIGN(0xf);

    /* Add swizzles and return. */
    switch (format) {
        /*** Special cases (non-standard channel mapping) ***/

        /* X8
         * COLORFORMAT_I8 stores the Z component (C2). */
        case PIPE_FORMAT_A8_UNORM:
        case PIPE_FORMAT_A8_SNORM:
            return modifier | R300_C2_SEL_A;
        case PIPE_FORMAT_I8_UNORM:
        case PIPE_FORMAT_I8_SNORM:
        case PIPE_FORMAT_L8_UNORM:
        case PIPE_FORMAT_L8_SNORM:
        case PIPE_FORMAT_R8_UNORM:
        case PIPE_FORMAT_R8_SNORM:
            return modifier | R300_C2_SEL_R;

        /* X8Y8
         * COLORFORMAT_UV88 stores ZX (C2 and C0). */
        case PIPE_FORMAT_L8A8_SNORM:
        case PIPE_FORMAT_L8A8_UNORM:
            return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
        case PIPE_FORMAT_R8G8_SNORM:
        case PIPE_FORMAT_R8G8_UNORM:
            return modifier | R300_C0_SEL_G | R300_C2_SEL_R;

        /* X32Y32
         * ARGB16161616 stores XZ for RG32F */
        case PIPE_FORMAT_R32G32_FLOAT:
            return modifier | R300_C0_SEL_R | R300_C2_SEL_G;

        /*** Generic cases (standard channel mapping) ***/

        /* BGRA outputs. */
        case PIPE_FORMAT_B5G6R5_UNORM:
        case PIPE_FORMAT_B5G5R5A1_UNORM:
        case PIPE_FORMAT_B5G5R5X1_UNORM:
        case PIPE_FORMAT_B4G4R4A4_UNORM:
        case PIPE_FORMAT_B4G4R4X4_UNORM:
        case PIPE_FORMAT_B8G8R8A8_UNORM:
        /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
        case PIPE_FORMAT_B8G8R8X8_UNORM:
        /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
        case PIPE_FORMAT_B10G10R10A2_UNORM:
            return modifier |
                R300_C0_SEL_B | R300_C1_SEL_G |
                R300_C2_SEL_R | R300_C3_SEL_A;

        /* ARGB outputs. */
        case PIPE_FORMAT_A16_UNORM:
        case PIPE_FORMAT_A16_SNORM:
        case PIPE_FORMAT_A16_FLOAT:
        case PIPE_FORMAT_A32_FLOAT:
            return modifier |
                R300_C0_SEL_A | R300_C1_SEL_R |
                R300_C2_SEL_G | R300_C3_SEL_B;

        /* RGBA outputs. */
        case PIPE_FORMAT_R8G8B8X8_UNORM:
        /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
        case PIPE_FORMAT_R8G8B8A8_UNORM:
        case PIPE_FORMAT_R8G8B8A8_SNORM:
        case PIPE_FORMAT_R10G10B10A2_UNORM:
        case PIPE_FORMAT_R10G10B10X2_SNORM:
        case PIPE_FORMAT_R16_UNORM:
        case PIPE_FORMAT_R16G16_UNORM:
        case PIPE_FORMAT_R16G16B16A16_UNORM:
        case PIPE_FORMAT_R16_SNORM:
        case PIPE_FORMAT_R16G16_SNORM:
        case PIPE_FORMAT_R16G16B16A16_SNORM:
        case PIPE_FORMAT_R16_FLOAT:
        case PIPE_FORMAT_R16G16_FLOAT:
        case PIPE_FORMAT_R16G16B16A16_FLOAT:
        case PIPE_FORMAT_R32_FLOAT:
        case PIPE_FORMAT_R32G32B32A32_FLOAT:
        case PIPE_FORMAT_L16_UNORM:
        case PIPE_FORMAT_L16_SNORM:
        case PIPE_FORMAT_L16_FLOAT:
        case PIPE_FORMAT_L32_FLOAT:
        case PIPE_FORMAT_I16_UNORM:
        case PIPE_FORMAT_I16_SNORM:
        case PIPE_FORMAT_I16_FLOAT:
        case PIPE_FORMAT_I32_FLOAT:
            return modifier |
                R300_C0_SEL_R | R300_C1_SEL_G |
                R300_C2_SEL_B | R300_C3_SEL_A;

        /* LA outputs. */
        case PIPE_FORMAT_L16A16_UNORM:
        case PIPE_FORMAT_L16A16_SNORM:
        case PIPE_FORMAT_L16A16_FLOAT:
        case PIPE_FORMAT_L32A32_FLOAT:
            return modifier |
                R300_C0_SEL_R | R300_C1_SEL_A;

        default:
            return ~0; /* Unsupported. */
    }
}
Ejemplo n.º 30
0
/**
 * Performs blending of src and dst pixels
 *
 * @param blend         the blend state of the shader variant
 * @param cbuf_format   format of the colour buffer
 * @param type          data type of the pixel vector
 * @param rt            render target index
 * @param src           blend src
 * @param src_alpha     blend src alpha (if not included in src)
 * @param src1          second blend src (for dual source blend)
 * @param src1_alpha    second blend src alpha (if not included in src1)
 * @param dst           blend dst
 * @param mask          optional mask to apply to the blending result
 * @param const_        const blend color
 * @param const_alpha   const blend color alpha (if not included in const_)
 * @param swizzle       swizzle values for RGBA
 *
 * @return the result of blending src and dst
 */
LLVMValueRef
lp_build_blend_aos(struct gallivm_state *gallivm,
                   const struct pipe_blend_state *blend,
                   enum pipe_format cbuf_format,
                   struct lp_type type,
                   unsigned rt,
                   LLVMValueRef src,
                   LLVMValueRef src_alpha,
                   LLVMValueRef src1,
                   LLVMValueRef src1_alpha,
                   LLVMValueRef dst,
                   LLVMValueRef mask,
                   LLVMValueRef const_,
                   LLVMValueRef const_alpha,
                   const unsigned char swizzle[4],
                   int nr_channels)
{
   const struct pipe_rt_blend_state * state = &blend->rt[rt];
   const struct util_format_description * desc;
   struct lp_build_blend_aos_context bld;
   LLVMValueRef src_factor, dst_factor;
   LLVMValueRef result;
   unsigned alpha_swizzle = UTIL_FORMAT_SWIZZLE_NONE;
   unsigned i;

   desc = util_format_description(cbuf_format);

   /* Setup build context */
   memset(&bld, 0, sizeof bld);
   lp_build_context_init(&bld.base, gallivm, type);
   bld.src = src;
   bld.src1 = src1;
   bld.dst = dst;
   bld.const_ = const_;
   bld.src_alpha = src_alpha;
   bld.src1_alpha = src1_alpha;
   bld.const_alpha = const_alpha;

   /* Find the alpha channel if not provided seperately */
   if (!src_alpha) {
      for (i = 0; i < 4; ++i) {
         if (swizzle[i] == 3) {
            alpha_swizzle = i;
         }
      }
   }

   if (blend->logicop_enable) {
      if(!type.floating) {
         result = lp_build_logicop(gallivm->builder, blend->logicop_func, src, dst);
      }
      else {
         result = src;
      }
   } else if (!state->blend_enable) {
      result = src;
   } else {
      boolean rgb_alpha_same = (state->rgb_src_factor == state->rgb_dst_factor && state->alpha_src_factor == state->alpha_dst_factor) || nr_channels == 1;

      src_factor = lp_build_blend_factor(&bld, state->rgb_src_factor,
                                         state->alpha_src_factor,
                                         alpha_swizzle,
                                         nr_channels);

      dst_factor = lp_build_blend_factor(&bld, state->rgb_dst_factor,
                                         state->alpha_dst_factor,
                                         alpha_swizzle,
                                         nr_channels);

      result = lp_build_blend(&bld.base,
                              state->rgb_func,
                              state->rgb_src_factor,
                              state->rgb_dst_factor,
                              src,
                              dst,
                              src_factor,
                              dst_factor,
                              rgb_alpha_same,
                              false);

      if(state->rgb_func != state->alpha_func && nr_channels > 1 && alpha_swizzle != UTIL_FORMAT_SWIZZLE_NONE) {
         LLVMValueRef alpha;

         alpha = lp_build_blend(&bld.base,
                                state->alpha_func,
                                state->alpha_src_factor,
                                state->alpha_dst_factor,
                                src,
                                dst,
                                src_factor,
                                dst_factor,
                                rgb_alpha_same,
                                false);

         result = lp_build_blend_swizzle(&bld,
                                         result,
                                         alpha,
                                         LP_BUILD_BLEND_SWIZZLE_RGBA,
                                         alpha_swizzle,
                                         nr_channels);
      }
   }

   /* Check if color mask is necessary */
   if (!util_format_colormask_full(desc, state->colormask)) {
      LLVMValueRef color_mask;

      color_mask = lp_build_const_mask_aos_swizzled(gallivm, bld.base.type, state->colormask, nr_channels, swizzle);
      lp_build_name(color_mask, "color_mask");

      /* Combine with input mask if necessary */
      if (mask) {
         /* We can be blending floating values but masks are always integer... */
         unsigned floating = bld.base.type.floating;
         bld.base.type.floating = 0;

         mask = lp_build_and(&bld.base, color_mask, mask);

         bld.base.type.floating = floating;
      } else {
         mask = color_mask;
      }
   }

   /* Apply mask, if one exists */
   if (mask) {
      result = lp_build_select(&bld.base, mask, result, dst);
   }

   return result;
}