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-rw-r--r--src/gallium/state_trackers/nine/surface9.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/nine/surface9.c b/src/gallium/state_trackers/nine/surface9.c
index b3c7c189a46..8c8d6537f00 100644
--- a/src/gallium/state_trackers/nine/surface9.c
+++ b/src/gallium/state_trackers/nine/surface9.c
@@ -549,6 +549,30 @@ NineSurface9_CopySurface( struct NineSurface9 *This,
r_src = NULL;
}
+ /* check source block align for compressed textures */
+ if (util_format_is_compressed(From->base.info.format) &&
+ ((src_box.width != From->desc.Width) ||
+ (src_box.height != From->desc.Height))) {
+ const unsigned w = util_format_get_blockwidth(From->base.info.format);
+ const unsigned h = util_format_get_blockheight(From->base.info.format);
+ user_assert(!(src_box.width % w) &&
+ !(src_box.height % h),
+ D3DERR_INVALIDCALL);
+ }
+
+ /* check destination block align for compressed textures */
+ if (util_format_is_compressed(This->base.info.format) &&
+ ((dst_box.width != This->desc.Width) ||
+ (dst_box.height != This->desc.Height) ||
+ dst_box.x != 0 ||
+ dst_box.y != 0)) {
+ const unsigned w = util_format_get_blockwidth(This->base.info.format);
+ const unsigned h = util_format_get_blockheight(This->base.info.format);
+ user_assert(!(dst_box.x % w) && !(dst_box.width % w) &&
+ !(dst_box.y % h) && !(dst_box.height % h),
+ D3DERR_INVALIDCALL);
+ }
+
if (r_dst && r_src) {
pipe->resource_copy_region(pipe,
r_dst, This->level,