diff options
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_blit.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_blit.c b/src/mesa/drivers/dri/intel/intel_blit.c index 7118898830..c2917e9b07 100644 --- a/src/mesa/drivers/dri/intel/intel_blit.c +++ b/src/mesa/drivers/dri/intel/intel_blit.c @@ -483,8 +483,8 @@ intel_emit_linear_blit(struct intel_context *intel, /* Blits are in a different ringbuffer so we don't use them. */ assert(intel->gen < 6); - /* The pitch hits the GPU as a is a signed value, IN DWORDs. - * But we want width to match pitch. Max width is (1 << 15 - 1), + /* The pitch given to the GPU must be DWORD aligned, and + * we want width to match pitch. Max width is (1 << 15 - 1), * rounding that down to the nearest DWORD is 1 << 15 - 4 */ pitch = MIN2(size, (1 << 15) - 4); @@ -502,6 +502,7 @@ intel_emit_linear_blit(struct intel_context *intel, dst_offset += pitch * height; size -= pitch * height; assert (size < (1 << 15)); + assert ((size & 3) == 0); /* Pitch must be DWORD aligned */ if (size != 0) { ok = intelEmitCopyBlit(intel, 1, size, src_bo, src_offset, I915_TILING_NONE, |