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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp15
1 files changed, 9 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 5b75a79957e..830c4f2bf91 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2600,18 +2600,19 @@ fs_visitor::opt_sampler_eot()
assert(fb_write->eot);
assert(fb_write->opcode == FS_OPCODE_FB_WRITE);
- fs_inst *tex_inst = (fs_inst *) fb_write->prev;
-
/* There wasn't one; nothing to do. */
- if (unlikely(tex_inst->is_head_sentinel()) || !tex_inst->is_tex())
+ if (unlikely(fb_write->prev->is_head_sentinel()))
return false;
+ fs_inst *tex_inst = (fs_inst *) fb_write->prev;
+
/* 3D Sampler » Messages » Message Format
*
* “Response Length of zero is allowed on all SIMD8* and SIMD16* sampler
* messages except sample+killpix, resinfo, sampleinfo, LOD, and gather4*”
*/
- if (tex_inst->opcode == SHADER_OPCODE_TXS ||
+ if (!tex_inst->is_tex() ||
+ tex_inst->opcode == SHADER_OPCODE_TXS ||
tex_inst->opcode == SHADER_OPCODE_SAMPLEINFO ||
tex_inst->opcode == SHADER_OPCODE_LOD ||
tex_inst->opcode == SHADER_OPCODE_TG4 ||
@@ -2621,9 +2622,11 @@ fs_visitor::opt_sampler_eot()
/* If there's no header present, we need to munge the LOAD_PAYLOAD as well.
* It's very likely to be the previous instruction.
*/
+ if (tex_inst->prev->is_head_sentinel())
+ return false;
+
fs_inst *load_payload = (fs_inst *) tex_inst->prev;
- if (load_payload->is_head_sentinel() ||
- load_payload->opcode != SHADER_OPCODE_LOAD_PAYLOAD)
+ if (load_payload->opcode != SHADER_OPCODE_LOAD_PAYLOAD)
return false;
assert(!tex_inst->eot); /* We can't get here twice */