From b3afcc09680cfcf3af3ee98b48c327a6c01143ca Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Tue, 6 Jan 2015 17:47:39 +0100 Subject: st/nine: Check block alignment for compressed textures in NineSurface9_CopySurface Reviewed-by: Axel Davy Signed-off-by: Patrick Rudolph --- src/gallium/state_trackers/nine/surface9.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'src') 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, -- cgit v1.2.3