diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_copyimage.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/mesa/state_tracker/st_cb_copyimage.c b/src/mesa/state_tracker/st_cb_copyimage.c index 5230b61877f..f5d8c047800 100644 --- a/src/mesa/state_tracker/st_cb_copyimage.c +++ b/src/mesa/state_tracker/st_cb_copyimage.c @@ -532,7 +532,6 @@ copy_image(struct pipe_context *pipe, src_box); } -/* Note, the only allowable compressed format for this function is ETC */ static void fallback_copy_image(struct st_context *st, struct gl_texture_image *dst_image, @@ -551,19 +550,25 @@ fallback_copy_image(struct st_context *st, bool dst_is_compressed = dst_image && _mesa_is_format_compressed(dst_image->TexFormat); bool src_is_compressed = src_image && _mesa_is_format_compressed(src_image->TexFormat); + unsigned dst_blk_w = 1, dst_blk_h = 1, src_blk_w = 1, src_blk_h = 1; + if (dst_image) + _mesa_get_format_block_size(dst_image->TexFormat, &dst_blk_w, &dst_blk_h); + if (src_image) + _mesa_get_format_block_size(src_image->TexFormat, &src_blk_w, &src_blk_h); + unsigned dst_w = src_w; unsigned dst_h = src_h; unsigned lines = src_h; if (src_is_compressed && !dst_is_compressed) { - dst_w = DIV_ROUND_UP(dst_w, 4); - dst_h = DIV_ROUND_UP(dst_h, 4); + dst_w = DIV_ROUND_UP(dst_w, src_blk_w); + dst_h = DIV_ROUND_UP(dst_h, src_blk_h); } else if (!src_is_compressed && dst_is_compressed) { - dst_w *= 4; - dst_h *= 4; + dst_w *= dst_blk_w; + dst_h *= dst_blk_h; } if (src_is_compressed) { - lines = DIV_ROUND_UP(lines, 4); + lines = DIV_ROUND_UP(lines, src_blk_h); } if (src_image) |