Beispiel #1
0
static void update_dst_buf_vars(struct i915_context *i915)
{
   struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
   struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
   uint32_t dst_buf_vars, cformat, zformat;
   uint32_t early_z = 0;
   uint32_t fixup = 0;
   int need_fixup;

   if (cbuf_surface)
      cformat = cbuf_surface->format;
   else
      cformat = PIPE_FORMAT_B8G8R8A8_UNORM; /* arbitrary */
   cformat = translate_format(cformat);

   if (depth_surface) {
      struct i915_texture *tex = i915_texture(depth_surface->texture);
      struct i915_screen *is = i915_screen(i915->base.screen);

      zformat = translate_depth_format(depth_surface->format);

      if (is->is_i945 && tex->tiling != I915_TILE_NONE
            && !i915->fs->info.writes_z)
         early_z = CLASSIC_EARLY_DEPTH;
   } else
      zformat = 0;

   dst_buf_vars = DSTORG_HORT_BIAS(0x8) | /* .5 */
                  DSTORG_VERT_BIAS(0x8) | /* .5 */
                  LOD_PRECLAMP_OGL |
                  TEX_DEFAULT_COLOR_OGL |
                  cformat |
                  zformat |
                  early_z;

   if (i915->current.dst_buf_vars != dst_buf_vars) {
      if (early_z != (i915->current.dst_buf_vars & CLASSIC_EARLY_DEPTH))
         i915_set_flush_dirty(i915, I915_PIPELINE_FLUSH);

      i915->current.dst_buf_vars = dst_buf_vars;
      i915->static_dirty |= I915_DST_VARS;
      i915->hardware_dirty |= I915_HW_STATIC;
   }

   need_fixup = need_target_fixup(cbuf_surface, &fixup);
   if (i915->current.target_fixup_format != need_fixup ||
         i915->current.fixup_swizzle != fixup) {
      i915->current.target_fixup_format = need_fixup;
      i915->current.fixup_swizzle = fixup;
      /* we also send a new program to make sure the fixup for RGBA surfaces happens */
      i915->hardware_dirty |= I915_HW_PROGRAM;
   }
}
Beispiel #2
0
void
i915_fill_blit(struct i915_context *i915,
               unsigned cpp,
               unsigned rgba_mask,
               unsigned short dst_pitch,
               struct i915_winsys_buffer *dst_buffer,
               unsigned dst_offset,
               short x, short y, 
               short w, short h, 
               unsigned color)
{
   unsigned BR13, CMD;


   I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
            __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);

   if(!i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1)) {
      FLUSH_BATCH(NULL);
      assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1));
   }

   switch (cpp) {
   case 1:
   case 2:
   case 3:
      BR13 = (((int) dst_pitch) & 0xffff) |
         (0xF0 << 16) | (1 << 24);
      CMD = XY_COLOR_BLT_CMD;
      break;
   case 4:
      BR13 = (((int) dst_pitch) & 0xffff) |
         (0xF0 << 16) | (1 << 24) | (1 << 25);
      CMD = (XY_COLOR_BLT_CMD | rgba_mask);
      break;
   default:
      return;
   }

   if (!BEGIN_BATCH(6)) {
      FLUSH_BATCH(NULL);
      assert(BEGIN_BATCH(6));
   }
   OUT_BATCH(CMD);
   OUT_BATCH(BR13);
   OUT_BATCH((y << 16) | x);
   OUT_BATCH(((y + h) << 16) | (x + w));
   OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
   OUT_BATCH(color);

   i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
}
Beispiel #3
0
static void update_framebuffer(struct i915_context *i915)
{
    struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
    struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
    unsigned x, y;
    int layer;
    uint32_t draw_offset, draw_size;

    if (cbuf_surface) {
        struct i915_texture *tex = i915_texture(cbuf_surface->texture);
        assert(tex);

        i915->current.cbuf_bo = tex->buffer;
        i915->current.cbuf_flags = BUF_3D_ID_COLOR_BACK |
                                   BUF_3D_PITCH(tex->stride) |  /* pitch in bytes */
                                   buf_3d_tiling_bits(tex->tiling);

        layer = cbuf_surface->u.tex.first_layer;

        x = tex->image_offset[cbuf_surface->u.tex.level][layer].nblocksx;
        y = tex->image_offset[cbuf_surface->u.tex.level][layer].nblocksy;
    } else {
        i915->current.cbuf_bo = NULL;
        x = y = 0;
    }
    i915->static_dirty |= I915_DST_BUF_COLOR;

    /* What happens if no zbuf??
     */
    if (depth_surface) {
        struct i915_texture *tex = i915_texture(depth_surface->texture);
        unsigned offset = i915_texture_offset(tex, depth_surface->u.tex.level,
                                              depth_surface->u.tex.first_layer);
        assert(tex);
        if (offset != 0)
            debug_printf("Depth offset is %d\n",offset);

        i915->current.depth_bo = tex->buffer;
        i915->current.depth_flags = BUF_3D_ID_DEPTH |
                                    BUF_3D_PITCH(tex->stride) |  /* pitch in bytes */
                                    buf_3d_tiling_bits(tex->tiling);
    } else
        i915->current.depth_bo = NULL;
    i915->static_dirty |= I915_DST_BUF_DEPTH;

    /* drawing rect calculations */
    draw_offset = x | (y << 16);
    draw_size = (i915->framebuffer.width - 1 + x) |
                ((i915->framebuffer.height - 1 + y) << 16);
    if (i915->current.draw_offset != draw_offset) {
        i915->current.draw_offset = draw_offset;
        i915_set_flush_dirty(i915, I915_PIPELINE_FLUSH);
        i915->static_dirty |= I915_DST_RECT;
    }
    if (i915->current.draw_size != draw_size) {
        i915->current.draw_size = draw_size;
        i915->static_dirty |= I915_DST_RECT;
    }

    /* we also send a new program to make sure the fixup for RGBA surfaces happens */
    i915->hardware_dirty |= I915_HW_STATIC | I915_HW_PROGRAM;

    /* flush the cache in case we sample from the old renderbuffers */
    i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
}
Beispiel #4
0
void
i915_copy_blit(struct i915_context *i915,
               unsigned cpp,
               unsigned short src_pitch,
               struct i915_winsys_buffer *src_buffer,
               unsigned src_offset,
               unsigned short dst_pitch,
               struct i915_winsys_buffer *dst_buffer,
               unsigned dst_offset,
               short src_x, short src_y,
               short dst_x, short dst_y, 
               short w, short h)
{
   unsigned CMD, BR13;
   int dst_y2 = dst_y + h;
   int dst_x2 = dst_x + w;
   struct i915_winsys_buffer *buffers[2] = {src_buffer, dst_buffer};


   I915_DBG(DBG_BLIT,
            "%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);

   if(!i915_winsys_validate_buffers(i915->batch, buffers, 2)) {
      FLUSH_BATCH(NULL);
      assert(i915_winsys_validate_buffers(i915->batch, buffers, 2));
   }

   switch (cpp) {
   case 1:
   case 2:
   case 3:
      BR13 = (((int) dst_pitch) & 0xffff) |
         (0xCC << 16) | (1 << 24);
      CMD = XY_SRC_COPY_BLT_CMD;
      break;
   case 4:
      BR13 = (((int) dst_pitch) & 0xffff) |
             (0xCC << 16) | (1 << 24) | (1 << 25);
      CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
            XY_SRC_COPY_BLT_WRITE_RGB);
      break;
   default:
      return;
   }

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

   /* Hardware can handle negative pitches but loses the ability to do
    * proper overlapping blits in that case.  We don't really have a
    * need for either at this stage.
    */
   assert (dst_pitch > 0 && src_pitch > 0);

   if (!BEGIN_BATCH(8)) {
      FLUSH_BATCH(NULL);
      assert(BEGIN_BATCH(8));
   }
   OUT_BATCH(CMD);
   OUT_BATCH(BR13);
   OUT_BATCH((dst_y << 16) | dst_x);
   OUT_BATCH((dst_y2 << 16) | dst_x2);
   OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
   OUT_BATCH((src_y << 16) | src_x);
   OUT_BATCH(((int) src_pitch & 0xffff));
   OUT_RELOC_FENCED(src_buffer, I915_USAGE_2D_SOURCE, src_offset);

   i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
}