diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_copy_image.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_copy_image.c b/src/mesa/drivers/dri/i965/intel_copy_image.c index 0a3337ee285..dbbac1c95a2 100644 --- a/src/mesa/drivers/dri/i965/intel_copy_image.c +++ b/src/mesa/drivers/dri/i965/intel_copy_image.c @@ -212,6 +212,7 @@ intel_copy_image_sub_data(struct gl_context *ctx, struct brw_context *brw = brw_context(ctx); struct intel_mipmap_tree *src_mt, *dst_mt; unsigned src_level, dst_level; + GLuint bw, bh; if (_mesa_meta_CopyImageSubData_uncompressed(ctx, src_image, src_renderbuffer, @@ -275,6 +276,19 @@ intel_copy_image_sub_data(struct gl_context *ctx, intel_miptree_all_slices_resolve_depth(brw, dst_mt); intel_miptree_resolve_color(brw, dst_mt); + _mesa_get_format_block_size(src_mt->format, &bw, &bh); + + /* It's legal to have a WxH that's smaller than a compressed block. This + * happens for example when you are using a higher level LOD. For this case, + * we still want to copy the entire block, or else the decompression will be + * incorrect. + */ + if (src_width < bw) + src_width = ALIGN_NPOT(src_width, bw); + + if (src_height < bh) + src_height = ALIGN_NPOT(src_height, bh); + if (copy_image_with_blitter(brw, src_mt, src_level, src_x, src_y, src_z, dst_mt, dst_level, |