コード例 #1
0
ファイル: i915_surface.c プロジェクト: mlankhorst/Mesa-3D
/* Assumes all values are within bounds -- no checking at this level -
 * do it higher up if required.
 */
static void
i915_surface_copy_blitter(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 i915_texture *dst_tex = i915_texture(dst);
   struct i915_texture *src_tex = i915_texture(src);
   struct pipe_resource *dpt = &dst_tex->b.b;
   struct pipe_resource *spt = &src_tex->b.b;
   unsigned dst_offset, src_offset;  /* in bytes */

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

   /* XXX cannot copy 3d regions at this time */
   assert(src_box->depth == 1);
   if (dst->target != PIPE_TEXTURE_CUBE &&
       dst->target != PIPE_TEXTURE_3D)
      assert(dstz == 0);
   dst_offset = i915_texture_offset(dst_tex, dst_level, dstz);

   if (src->target != PIPE_TEXTURE_CUBE &&
       src->target != PIPE_TEXTURE_3D)
      assert(src_box->z == 0);
   src_offset = i915_texture_offset(src_tex, src_level, src_box->z);

   assert( util_format_get_blocksize(dpt->format) == util_format_get_blocksize(spt->format) );
   assert( util_format_get_blockwidth(dpt->format) == util_format_get_blockwidth(spt->format) );
   assert( util_format_get_blockheight(dpt->format) == util_format_get_blockheight(spt->format) );
   assert( util_format_get_blockwidth(dpt->format) == 1 );
   assert( util_format_get_blockheight(dpt->format) == 1 );

   i915_copy_blit( i915_context(pipe),
                   util_format_get_blocksize(dpt->format),
                   (unsigned short) src_tex->stride, src_tex->buffer, src_offset,
                   (unsigned short) dst_tex->stride, dst_tex->buffer, dst_offset,
                   (short) src_box->x, (short) src_box->y, (short) dstx, (short) dsty,
                   (short) src_box->width, (short) src_box->height );
}
コード例 #2
0
ファイル: i915_surface.c プロジェクト: hadriencaron/rexeno
/* Assumes all values are within bounds -- no checking at this level -
 * do it higher up if required.
 */
static void
i915_surface_copy(struct pipe_context *pipe,
                  struct pipe_surface *dst,
                  unsigned dstx, unsigned dsty,
                  struct pipe_surface *src,
                  unsigned srcx, unsigned srcy, unsigned width, unsigned height)
{
    struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
    struct i915_texture *src_tex = (struct i915_texture *)src->texture;

    assert( dst != src );
    assert( dst_tex->base.block.size == src_tex->base.block.size );
    assert( dst_tex->base.block.width == src_tex->base.block.height );
    assert( dst_tex->base.block.height == src_tex->base.block.height );
    assert( dst_tex->base.block.width == 1 );
    assert( dst_tex->base.block.height == 1 );

    i915_copy_blit( i915_context(pipe),
                    FALSE,
                    dst_tex->base.block.size,
                    (unsigned short) src_tex->stride, src_tex->buffer, src->offset,
                    (unsigned short) dst_tex->stride, dst_tex->buffer, dst->offset,
                    (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
}