- /* 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;
- }
-
- /*
- printf("surface copy from %u lvl %u to %u lvl %u: %u,%u,%u to %u,%u,%u %u x %u x %u\n",
- src_tex->id, src_level, dst_tex->id, dst_level,
- src_box->x, src_box->y, src_box->z, dstx, dsty, dstz,
- src_box->width, src_box->height, src_box->depth);
- */
-
- for (z = 0; z < src_box->depth; z++){
-
- /* set src tiles to linear layout */
- {
- unsigned tx, ty, tw, th;
- unsigned x, y;
-
- adjust_to_tile_bounds(src_box->x, src_box->y, width, height,
- &tx, &ty, &tw, &th);
-
- for (y = 0; y < th; y += TILE_SIZE) {
- for (x = 0; x < tw; x += TILE_SIZE) {
- (void) llvmpipe_get_texture_tile_linear(src_tex,
- src_box->z + z, src_level,
- LP_TEX_USAGE_READ,
- tx + x, ty + y);
- }
- }
- }
-
- /* set dst tiles to linear layout */
- {
- unsigned tx, ty, tw, th;
- unsigned x, y;
- enum lp_texture_usage usage;
-
- adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th);
-
- for (y = 0; y < th; y += TILE_SIZE) {
- boolean contained_y = ty + y >= dsty &&
- ty + y + TILE_SIZE <= dsty + height ?
- TRUE : FALSE;
-
- for (x = 0; x < tw; x += TILE_SIZE) {
- boolean contained_x = tx + x >= dstx &&
- tx + x + TILE_SIZE <= dstx + width ?
- TRUE : FALSE;
-
- /*
- * Set the usage mode to WRITE_ALL for the tiles which are
- * completely contained by the dest rectangle.
- */
- if (contained_y && contained_x)
- usage = LP_TEX_USAGE_WRITE_ALL;
- else
- usage = LP_TEX_USAGE_READ_WRITE;
-
- (void) llvmpipe_get_texture_tile_linear(dst_tex,
- dstz + z, dst_level,
- usage,
- tx + x, ty + y);
- }
- }
- }
- }
-
- /* copy */
- {
- const ubyte *src_linear_ptr
- = llvmpipe_get_texture_image_address(src_tex, src_box->z,
- src_level);
- ubyte *dst_linear_ptr
- = llvmpipe_get_texture_image_address(dst_tex, dstz,
- dst_level);
-
- if (dst_linear_ptr && src_linear_ptr) {
- util_copy_box(dst_linear_ptr, format,
- llvmpipe_resource_stride(&dst_tex->base, dst_level),
- dst_tex->img_stride[dst_level],
- dstx, dsty, 0,
- width, height, depth,
- src_linear_ptr,
- llvmpipe_resource_stride(&src_tex->base, src_level),
- src_tex->img_stride[src_level],
- src_box->x, src_box->y, 0);
- }
- }