コード例 #1
0
ファイル: intel_uxa.c プロジェクト: adegroote/netbsd-drmgem
static void intel_uxa_solid(PixmapPtr pixmap, int x1, int y1, int x2, int y2)
{
	ScrnInfoPtr scrn = xf86Screens[pixmap->drawable.pScreen->myNum];
	intel_screen_private *intel = intel_get_screen_private(scrn);
	unsigned long pitch;
	uint32_t cmd;

	if (x1 < 0)
		x1 = 0;
	if (y1 < 0)
		y1 = 0;
	if (x2 > pixmap->drawable.width)
		x2 = pixmap->drawable.width;
	if (y2 > pixmap->drawable.height)
		y2 = pixmap->drawable.height;

	if (x2 <= x1 || y2 <= y1)
		return;

	pitch = intel_pixmap_pitch(pixmap);

	{
		BEGIN_BATCH_BLT(6);

		cmd = XY_COLOR_BLT_CMD;

		if (pixmap->drawable.bitsPerPixel == 32)
			cmd |=
			    XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB;

		if (INTEL_INFO(intel)->gen >= 40 && intel_pixmap_tiled(pixmap)) {
			assert((pitch % 512) == 0);
			pitch >>= 2;
			cmd |= XY_COLOR_BLT_TILED;
		}

		OUT_BATCH(cmd);

		OUT_BATCH(intel->BR[13] | pitch);
		OUT_BATCH((y1 << 16) | (x1 & 0xffff));
		OUT_BATCH((y2 << 16) | (x2 & 0xffff));
		OUT_RELOC_PIXMAP_FENCED(pixmap, I915_GEM_DOMAIN_RENDER,
					I915_GEM_DOMAIN_RENDER, 0);
		OUT_BATCH(intel->BR[16]);
		ADVANCE_BATCH();
	}
コード例 #2
0
ファイル: brw_pipe_control.c プロジェクト: aphogat/mesa
/* Emit a pipelined flush to either flush render and texture cache for
 * reading from a FBO-drawn texture, or flush so that frontbuffer
 * render appears on the screen in DRI1.
 *
 * This is also used for the always_flush_cache driconf debug option.
 */
void
brw_emit_mi_flush(struct brw_context *brw)
{
   if (brw->batch.ring == BLT_RING && brw->gen >= 6) {
      BEGIN_BATCH_BLT(4);
      OUT_BATCH(MI_FLUSH_DW);
      OUT_BATCH(0);
      OUT_BATCH(0);
      OUT_BATCH(0);
      ADVANCE_BATCH();
   } else {
      int flags = PIPE_CONTROL_NO_WRITE | PIPE_CONTROL_RENDER_TARGET_FLUSH;
      if (brw->gen >= 6) {
         if (brw->gen == 9) {
            /* Hardware workaround: SKL
             *
             * Emit Pipe Control with all bits set to zero before emitting
             * a Pipe Control with VF Cache Invalidate set.
             */
            brw_emit_pipe_control_flush(brw, 0);
         }

         flags |= PIPE_CONTROL_INSTRUCTION_INVALIDATE |
                  PIPE_CONTROL_DEPTH_CACHE_FLUSH |
                  PIPE_CONTROL_VF_CACHE_INVALIDATE |
                  PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
                  PIPE_CONTROL_CS_STALL;

         if (brw->gen == 6) {
            /* Hardware workaround: SNB B-Spec says:
             *
             * [Dev-SNB{W/A}]: Before a PIPE_CONTROL with Write Cache
             * Flush Enable =1, a PIPE_CONTROL with any non-zero
             * post-sync-op is required.
             */
            brw_emit_post_sync_nonzero_flush(brw);
         }
      }
      brw_emit_pipe_control_flush(brw, flags);
   }

   brw_render_cache_set_clear(brw);
}
コード例 #3
0
void intel_batch_emit_flush(ScrnInfoPtr scrn)
{
	intel_screen_private *intel = intel_get_screen_private(scrn);
	int flags;

	assert (!intel->in_batch_atomic);

	/* Big hammer, look to the pipelined flushes in future. */
	if ((INTEL_INFO(intel)->gen >= 060)) {
		if (intel->current_batch == BLT_BATCH) {
			BEGIN_BATCH_BLT(4);
			OUT_BATCH(MI_FLUSH_DW | 2);
			OUT_BATCH(0);
			OUT_BATCH(0);
			OUT_BATCH(0);
			ADVANCE_BATCH();
		} else  {
			if ((INTEL_INFO(intel)->gen == 060)) {
				/* HW-Workaround for Sandybdrige */
				intel_emit_post_sync_nonzero_flush(scrn);
			} else {
				BEGIN_BATCH(4);
				OUT_BATCH(BRW_PIPE_CONTROL | (4 - 2));
				OUT_BATCH(BRW_PIPE_CONTROL_WC_FLUSH |
					  BRW_PIPE_CONTROL_TC_FLUSH |
					  BRW_PIPE_CONTROL_NOWRITE);
				OUT_BATCH(0); /* write address */
				OUT_BATCH(0); /* write data */
				ADVANCE_BATCH();
			}
		}
	} else {
		flags = MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE;
		if (INTEL_INFO(intel)->gen >= 040)
			flags = 0;

		BEGIN_BATCH(1);
		OUT_BATCH(MI_FLUSH | flags);
		ADVANCE_BATCH();
	}
	intel_batch_do_flush(scrn);
}
コード例 #4
0
ファイル: brw_pipe_control.c プロジェクト: etnaviv/mesa
/* Emit a pipelined flush to either flush render and texture cache for
 * reading from a FBO-drawn texture, or flush so that frontbuffer
 * render appears on the screen in DRI1.
 *
 * This is also used for the always_flush_cache driconf debug option.
 */
void
brw_emit_mi_flush(struct brw_context *brw)
{
   if (brw->batch.ring == BLT_RING && brw->gen >= 6) {
      BEGIN_BATCH_BLT(4);
      OUT_BATCH(MI_FLUSH_DW);
      OUT_BATCH(0);
      OUT_BATCH(0);
      OUT_BATCH(0);
      ADVANCE_BATCH();
   } else {
      int flags = PIPE_CONTROL_NO_WRITE | PIPE_CONTROL_RENDER_TARGET_FLUSH;
      if (brw->gen >= 6) {
         flags |= PIPE_CONTROL_INSTRUCTION_INVALIDATE |
                  PIPE_CONTROL_DEPTH_CACHE_FLUSH |
                  PIPE_CONTROL_VF_CACHE_INVALIDATE |
                  PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
                  PIPE_CONTROL_CS_STALL;
      }
      brw_emit_pipe_control_flush(brw, flags);
   }
}
コード例 #5
0
ファイル: intel_blit.c プロジェクト: CSRedRat/mesa-1
bool
intelEmitImmediateColorExpandBlit(struct brw_context *brw,
				  GLuint cpp,
				  GLubyte *src_bits, GLuint src_size,
				  GLuint fg_color,
				  GLshort dst_pitch,
				  drm_intel_bo *dst_buffer,
				  GLuint dst_offset,
				  uint32_t dst_tiling,
				  GLshort x, GLshort y,
				  GLshort w, GLshort h,
				  GLenum logic_op)
{
   int dwords = ALIGN(src_size, 8) / 4;
   uint32_t opcode, br13, blit_cmd;

   if (dst_tiling != I915_TILING_NONE) {
      if (dst_offset & 4095)
	 return false;
      if (dst_tiling == I915_TILING_Y)
	 return false;
   }

   assert( logic_op - GL_CLEAR >= 0 );
   assert( logic_op - GL_CLEAR < 0x10 );
   assert(dst_pitch > 0);

   if (w < 0 || h < 0)
      return true;

   DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d, %d bytes %d dwords\n",
       __FUNCTION__,
       dst_buffer, dst_pitch, dst_offset, x, y, w, h, src_size, dwords);

   intel_batchbuffer_require_space(brw, (8 * 4) + (3 * 4) + dwords * 4, true);

   opcode = XY_SETUP_BLT_CMD;
   if (cpp == 4)
      opcode |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
   if (dst_tiling != I915_TILING_NONE) {
      opcode |= XY_DST_TILED;
      dst_pitch /= 4;
   }

   br13 = dst_pitch | (translate_raster_op(logic_op) << 16) | (1 << 29);
   br13 |= br13_for_cpp(cpp);

   blit_cmd = XY_TEXT_IMMEDIATE_BLIT_CMD | XY_TEXT_BYTE_PACKED; /* packing? */
   if (dst_tiling != I915_TILING_NONE)
      blit_cmd |= XY_DST_TILED;

   BEGIN_BATCH_BLT(8 + 3);
   OUT_BATCH(opcode | (8 - 2));
   OUT_BATCH(br13);
   OUT_BATCH((0 << 16) | 0); /* clip x1, y1 */
   OUT_BATCH((100 << 16) | 100); /* clip x2, y2 */
   OUT_RELOC_FENCED(dst_buffer,
		    I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
		    dst_offset);
   OUT_BATCH(0); /* bg */
   OUT_BATCH(fg_color); /* fg */
   OUT_BATCH(0); /* pattern base addr */

   OUT_BATCH(blit_cmd | ((3 - 2) + dwords));
   OUT_BATCH((y << 16) | x);
   OUT_BATCH(((y + h) << 16) | (x + w));
   ADVANCE_BATCH();

   intel_batchbuffer_data(brw, src_bits, dwords * 4, true);

   intel_batchbuffer_emit_mi_flush(brw);

   return true;
}
コード例 #6
0
ファイル: intel_blit.c プロジェクト: ChristophHaag/mesa-mesa
bool
intelEmitImmediateColorExpandBlit(struct brw_context *brw,
				  GLuint cpp,
				  GLubyte *src_bits, GLuint src_size,
				  GLuint fg_color,
				  GLshort dst_pitch,
				  struct brw_bo *dst_buffer,
				  GLuint dst_offset,
				  enum isl_tiling dst_tiling,
				  GLshort x, GLshort y,
				  GLshort w, GLshort h,
				  enum gl_logicop_mode logic_op)
{
   const struct gen_device_info *devinfo = &brw->screen->devinfo;
   int dwords = ALIGN(src_size, 8) / 4;
   uint32_t opcode, br13, blit_cmd;

   if (dst_tiling != ISL_TILING_LINEAR) {
      if (dst_offset & 4095)
	 return false;
      if (dst_tiling == ISL_TILING_Y0)
	 return false;
   }

   assert((unsigned) logic_op <= 0x0f);
   assert(dst_pitch > 0);

   if (w < 0 || h < 0)
      return true;

   DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d, %d bytes %d dwords\n",
       __func__,
       dst_buffer, dst_pitch, dst_offset, x, y, w, h, src_size, dwords);

   unsigned xy_setup_blt_length = devinfo->gen >= 8 ? 10 : 8;
   intel_batchbuffer_require_space(brw, (xy_setup_blt_length * 4) +
                                        (3 * 4) + dwords * 4);

   opcode = XY_SETUP_BLT_CMD;
   if (cpp == 4)
      opcode |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
   if (dst_tiling != ISL_TILING_LINEAR) {
      opcode |= XY_DST_TILED;
      dst_pitch /= 4;
   }

   br13 = dst_pitch | (translate_raster_op(logic_op) << 16) | (1 << 29);
   br13 |= br13_for_cpp(cpp);

   blit_cmd = XY_TEXT_IMMEDIATE_BLIT_CMD | XY_TEXT_BYTE_PACKED; /* packing? */
   if (dst_tiling != ISL_TILING_LINEAR)
      blit_cmd |= XY_DST_TILED;

   BEGIN_BATCH_BLT(xy_setup_blt_length + 3);
   OUT_BATCH(opcode | (xy_setup_blt_length - 2));
   OUT_BATCH(br13);
   OUT_BATCH((0 << 16) | 0); /* clip x1, y1 */
   OUT_BATCH((100 << 16) | 100); /* clip x2, y2 */
   if (devinfo->gen >= 8) {
      OUT_RELOC64(dst_buffer, RELOC_WRITE, dst_offset);
   } else {
      OUT_RELOC(dst_buffer, RELOC_WRITE, dst_offset);
   }
   OUT_BATCH(0); /* bg */
   OUT_BATCH(fg_color); /* fg */
   OUT_BATCH(0); /* pattern base addr */
   if (devinfo->gen >= 8)
      OUT_BATCH(0);

   OUT_BATCH(blit_cmd | ((3 - 2) + dwords));
   OUT_BATCH(SET_FIELD(y, BLT_Y) | SET_FIELD(x, BLT_X));
   OUT_BATCH(SET_FIELD(y + h, BLT_Y) | SET_FIELD(x + w, BLT_X));
   ADVANCE_BATCH();

   intel_batchbuffer_data(brw, src_bits, dwords * 4);

   brw_emit_mi_flush(brw);

   return true;
}
コード例 #7
0
ファイル: intel_blit.c プロジェクト: nikai3d/mesa
/**
 * Used to initialize the alpha value of an ARGB8888 teximage after
 * loading it from an XRGB8888 source.
 *
 * This is very common with glCopyTexImage2D().
 */
void
intel_set_teximage_alpha_to_one(struct gl_context *ctx,
                                struct intel_texture_image *intel_image)
{
    struct intel_context *intel = intel_context(ctx);
    unsigned int image_x, image_y;
    uint32_t x1, y1, x2, y2;
    uint32_t BR13, CMD;
    int pitch, cpp;
    drm_intel_bo *aper_array[2];
    struct intel_region *region = intel_image->mt->region;
    BATCH_LOCALS;

    assert(intel_image->base.TexFormat == MESA_FORMAT_ARGB8888);

    /* get dest x/y in destination texture */
    intel_miptree_get_image_offset(intel_image->mt,
                                   intel_image->level,
                                   intel_image->face,
                                   0,
                                   &image_x, &image_y);

    x1 = image_x;
    y1 = image_y;
    x2 = image_x + intel_image->base.Width;
    y2 = image_y + intel_image->base.Height;

    pitch = region->pitch;
    cpp = region->cpp;

    DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
        __FUNCTION__,
        intel_image->mt->region->buffer, (pitch * cpp),
        x1, y1, x2 - x1, y2 - y1);

    BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
    CMD = XY_COLOR_BLT_CMD;
    CMD |= XY_BLT_WRITE_ALPHA;

    assert(region->tiling != I915_TILING_Y);

#ifndef I915
    if (region->tiling != I915_TILING_NONE) {
        CMD |= XY_DST_TILED;
        pitch /= 4;
    }
#endif
    BR13 |= (pitch * cpp);

    /* do space check before going any further */
    aper_array[0] = intel->batch.bo;
    aper_array[1] = region->buffer;

    if (drm_intel_bufmgr_check_aperture_space(aper_array,
            ARRAY_SIZE(aper_array)) != 0) {
        intel_batchbuffer_flush(intel);
    }

    BEGIN_BATCH_BLT(6);
    OUT_BATCH(CMD);
    OUT_BATCH(BR13);
    OUT_BATCH((y1 << 16) | x1);
    OUT_BATCH((y2 << 16) | x2);
    OUT_RELOC_FENCED(region->buffer,
                     I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
                     0);
    OUT_BATCH(0xffffffff); /* white, but only alpha gets written */
    ADVANCE_BATCH();

    intel_batchbuffer_emit_mi_flush(intel);
}
コード例 #8
0
ファイル: intel_blit.c プロジェクト: nikai3d/mesa
/**
 * Use blitting to clear the renderbuffers named by 'flags'.
 * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferIndexes field
 * since that might include software renderbuffers or renderbuffers
 * which we're clearing with triangles.
 * \param mask  bitmask of BUFFER_BIT_* values indicating buffers to clear
 */
GLbitfield
intelClearWithBlit(struct gl_context *ctx, GLbitfield mask)
{
    struct intel_context *intel = intel_context(ctx);
    struct gl_framebuffer *fb = ctx->DrawBuffer;
    GLuint clear_depth_value, clear_depth_mask;
    GLboolean all;
    GLint cx, cy, cw, ch;
    GLbitfield fail_mask = 0;
    BATCH_LOCALS;

    /*
     * Compute values for clearing the buffers.
     */
    clear_depth_value = 0;
    clear_depth_mask = 0;
    if (mask & BUFFER_BIT_DEPTH) {
        clear_depth_value = (GLuint) (fb->_DepthMax * ctx->Depth.Clear);
        clear_depth_mask = XY_BLT_WRITE_RGB;
    }
    if (mask & BUFFER_BIT_STENCIL) {
        clear_depth_value |= (ctx->Stencil.Clear & 0xff) << 24;
        clear_depth_mask |= XY_BLT_WRITE_ALPHA;
    }

    cx = fb->_Xmin;
    if (fb->Name == 0)
        cy = ctx->DrawBuffer->Height - fb->_Ymax;
    else
        cy = fb->_Ymin;
    cw = fb->_Xmax - fb->_Xmin;
    ch = fb->_Ymax - fb->_Ymin;

    if (cw == 0 || ch == 0)
        return 0;

    all = (cw == fb->Width && ch == fb->Height);

    /* Loop over all renderbuffers */
    mask &= (1 << BUFFER_COUNT) - 1;
    while (mask) {
        GLuint buf = _mesa_ffs(mask) - 1;
        GLboolean is_depth_stencil = buf == BUFFER_DEPTH || buf == BUFFER_STENCIL;
        struct intel_renderbuffer *irb;
        drm_intel_bo *write_buffer;
        int x1, y1, x2, y2;
        uint32_t clear_val;
        uint32_t BR13, CMD;
        int pitch, cpp;
        drm_intel_bo *aper_array[2];

        mask &= ~(1 << buf);

        irb = intel_get_renderbuffer(fb, buf);
        if (irb == NULL || irb->region == NULL || irb->region->buffer == NULL) {
            fail_mask |= 1 << buf;
            continue;
        }

        /* OK, clear this renderbuffer */
        write_buffer = intel_region_buffer(intel, irb->region,
                                           all ? INTEL_WRITE_FULL :
                                           INTEL_WRITE_PART);
        x1 = cx + irb->draw_x;
        y1 = cy + irb->draw_y;
        x2 = cx + cw + irb->draw_x;
        y2 = cy + ch + irb->draw_y;

        pitch = irb->region->pitch;
        cpp = irb->region->cpp;

        DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
            __FUNCTION__,
            irb->region->buffer, (pitch * cpp),
            x1, y1, x2 - x1, y2 - y1);

        BR13 = 0xf0 << 16;
        CMD = XY_COLOR_BLT_CMD;

        /* Setup the blit command */
        if (cpp == 4) {
            if (is_depth_stencil) {
                CMD |= clear_depth_mask;
            } else {
                /* clearing RGBA */
                CMD |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
            }
        }

        assert(irb->region->tiling != I915_TILING_Y);

#ifndef I915
        if (irb->region->tiling != I915_TILING_NONE) {
            CMD |= XY_DST_TILED;
            pitch /= 4;
        }
#endif
        BR13 |= (pitch * cpp);

        if (is_depth_stencil) {
            clear_val = clear_depth_value;
        } else {
            uint8_t clear[4];
            GLclampf *color = ctx->Color.ClearColor;

            CLAMPED_FLOAT_TO_UBYTE(clear[0], color[0]);
            CLAMPED_FLOAT_TO_UBYTE(clear[1], color[1]);
            CLAMPED_FLOAT_TO_UBYTE(clear[2], color[2]);
            CLAMPED_FLOAT_TO_UBYTE(clear[3], color[3]);

            switch (irb->Base.Format) {
            case MESA_FORMAT_ARGB8888:
            case MESA_FORMAT_XRGB8888:
                clear_val = PACK_COLOR_8888(clear[3], clear[0],
                                            clear[1], clear[2]);
                break;
            case MESA_FORMAT_RGB565:
                clear_val = PACK_COLOR_565(clear[0], clear[1], clear[2]);
                break;
            case MESA_FORMAT_ARGB4444:
                clear_val = PACK_COLOR_4444(clear[3], clear[0],
                                            clear[1], clear[2]);
                break;
            case MESA_FORMAT_ARGB1555:
                clear_val = PACK_COLOR_1555(clear[3], clear[0],
                                            clear[1], clear[2]);
                break;
            case MESA_FORMAT_A8:
                clear_val = PACK_COLOR_8888(clear[3], clear[3],
                                            clear[3], clear[3]);
                break;
            default:
                fail_mask |= 1 << buf;
                continue;
            }
        }

        BR13 |= br13_for_cpp(cpp);

        assert(x1 < x2);
        assert(y1 < y2);

        /* do space check before going any further */
        aper_array[0] = intel->batch.bo;
        aper_array[1] = write_buffer;

        if (drm_intel_bufmgr_check_aperture_space(aper_array,
                ARRAY_SIZE(aper_array)) != 0) {
            intel_batchbuffer_flush(intel);
        }

        BEGIN_BATCH_BLT(6);
        OUT_BATCH(CMD);
        OUT_BATCH(BR13);
        OUT_BATCH((y1 << 16) | x1);
        OUT_BATCH((y2 << 16) | x2);
        OUT_RELOC_FENCED(write_buffer,
                         I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
                         0);
        OUT_BATCH(clear_val);
        ADVANCE_BATCH();

        if (intel->always_flush_cache)
            intel_batchbuffer_emit_mi_flush(intel);

        if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL)
            mask &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
    }

    return fail_mask;
}
コード例 #9
0
ファイル: intel_blit.c プロジェクト: nikai3d/mesa
/* Copy BitBlt
 */
GLboolean
intelEmitCopyBlit(struct intel_context *intel,
                  GLuint cpp,
                  GLshort src_pitch,
                  drm_intel_bo *src_buffer,
                  GLuint src_offset,
                  uint32_t src_tiling,
                  GLshort dst_pitch,
                  drm_intel_bo *dst_buffer,
                  GLuint dst_offset,
                  uint32_t dst_tiling,
                  GLshort src_x, GLshort src_y,
                  GLshort dst_x, GLshort dst_y,
                  GLshort w, GLshort h,
                  GLenum logic_op)
{
    GLuint CMD, BR13, pass = 0;
    int dst_y2 = dst_y + h;
    int dst_x2 = dst_x + w;
    drm_intel_bo *aper_array[3];
    BATCH_LOCALS;

    if (dst_tiling != I915_TILING_NONE) {
        if (dst_offset & 4095)
            return GL_FALSE;
        if (dst_tiling == I915_TILING_Y)
            return GL_FALSE;
    }
    if (src_tiling != I915_TILING_NONE) {
        if (src_offset & 4095)
            return GL_FALSE;
        if (src_tiling == I915_TILING_Y)
            return GL_FALSE;
    }

    /* do space check before going any further */
    do {
        aper_array[0] = intel->batch.bo;
        aper_array[1] = dst_buffer;
        aper_array[2] = src_buffer;

        if (dri_bufmgr_check_aperture_space(aper_array, 3) != 0) {
            intel_batchbuffer_flush(intel);
            pass++;
        } else
            break;
    } while (pass < 2);

    if (pass >= 2)
        return GL_FALSE;

    intel_batchbuffer_require_space(intel, 8 * 4, true);
    DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
        __FUNCTION__,
        src_buffer, src_pitch, src_offset, src_x, src_y,
        dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);

    src_pitch *= cpp;
    dst_pitch *= cpp;

    /* For big formats (such as floating point), do the copy using 32bpp and
     * multiply the coordinates.
     */
    if (cpp > 4) {
        assert(cpp % 4 == 0);
        dst_x *= cpp / 4;
        dst_x2 *= cpp / 4;
        src_x *= cpp / 4;
        cpp = 4;
    }

    BR13 = br13_for_cpp(cpp) | translate_raster_op(logic_op) << 16;

    switch (cpp) {
    case 1:
    case 2:
        CMD = XY_SRC_COPY_BLT_CMD;
        break;
    case 4:
        CMD = XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
        break;
    default:
        return GL_FALSE;
    }

#ifndef I915
    if (dst_tiling != I915_TILING_NONE) {
        CMD |= XY_DST_TILED;
        dst_pitch /= 4;
    }
    if (src_tiling != I915_TILING_NONE) {
        CMD |= XY_SRC_TILED;
        src_pitch /= 4;
    }
#endif

    if (dst_y2 <= dst_y || dst_x2 <= dst_x) {
        return GL_TRUE;
    }

    assert(dst_x < dst_x2);
    assert(dst_y < dst_y2);

    BEGIN_BATCH_BLT(8);
    OUT_BATCH(CMD);
    OUT_BATCH(BR13 | (uint16_t)dst_pitch);
    OUT_BATCH((dst_y << 16) | dst_x);
    OUT_BATCH((dst_y2 << 16) | dst_x2);
    OUT_RELOC_FENCED(dst_buffer,
                     I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
                     dst_offset);
    OUT_BATCH((src_y << 16) | src_x);
    OUT_BATCH((uint16_t)src_pitch);
    OUT_RELOC_FENCED(src_buffer,
                     I915_GEM_DOMAIN_RENDER, 0,
                     src_offset);
    ADVANCE_BATCH();

    intel_batchbuffer_emit_mi_flush(intel);

    return GL_TRUE;
}