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authorEric Anholt <[email protected]>2009-06-22 15:23:38 -0700
committerEric Anholt <[email protected]>2009-06-23 19:31:12 -0700
commit1593a1bb3435728806f66fff72a90e72a9616083 (patch)
tree7c9a893d038ca0739a9fc17a2363e0fff01f2df1 /src/mesa/drivers/dri/intel/intel_blit.c
parent8f81a6468fdbc7320800ea497791e3e1b8f782ca (diff)
intel: Bail on blits with non-tile-aligned offsets.
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_blit.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_blit.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_blit.c b/src/mesa/drivers/dri/intel/intel_blit.c
index e0596a5531c..75d315d82bd 100644
--- a/src/mesa/drivers/dri/intel/intel_blit.c
+++ b/src/mesa/drivers/dri/intel/intel_blit.c
@@ -225,10 +225,18 @@ intelEmitCopyBlit(struct intel_context *intel,
dri_bo *aper_array[3];
BATCH_LOCALS;
- if (dst_tiling == I915_TILING_Y)
- return GL_FALSE;
- if (src_tiling == I915_TILING_Y)
- return GL_FALSE;
+ if (dst_tiling != I915_TILING_NONE) {
+ if (dst_offset & 4095)
+ return GL_FALSE;
+ if (dst_tiling == I915_TILING_Y)
+ return GL_FALSE;
+ }
+ if (src_tiling != I915_TILING_NONE) {
+ if (src_offset & 4095)
+ return GL_FALSE;
+ if (src_tiling == I915_TILING_Y)
+ return GL_FALSE;
+ }
/* do space/cliprects check before going any further */
do {
@@ -561,8 +569,12 @@ intelEmitImmediateColorExpandBlit(struct intel_context *intel,
int dwords = ALIGN(src_size, 8) / 4;
uint32_t opcode, br13, blit_cmd;
- if (dst_tiling == I915_TILING_Y)
- return GL_FALSE;
+ if (dst_tiling != I915_TILING_NONE) {
+ if (dst_offset & 4095)
+ return GL_FALSE;
+ if (dst_tiling == I915_TILING_Y)
+ return GL_FALSE;
+ }
assert( logic_op - GL_CLEAR >= 0 );
assert( logic_op - GL_CLEAR < 0x10 );