From: Ian Romanick <ian.d.roman...@intel.com>
Fixes failure in the new piglit test
tes-patch-input-array-vec2-index-invalid-rd.shader_test.
Signed-off-by: Ian Romanick <ian.d.roman...@intel.com>
Cc: mesa-sta...@lists.freedesktop.org
Cc: Kenneth Graunke <kenn...@whitecape.org>
---
src/intel/compiler/brw_vec4_generator.cpp | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/intel/compiler/brw_vec4_generator.cpp
b/src/intel/compiler/brw_vec4_generator.cpp
index d506b675776..888cb358fd1 100644
--- a/src/intel/compiler/brw_vec4_generator.cpp
+++ b/src/intel/compiler/brw_vec4_generator.cpp
@@ -929,8 +929,21 @@ generate_tes_add_indirect_urb_offset(struct brw_codegen *p,
brw_set_default_mask_control(p, BRW_MASK_DISABLE);
brw_MOV(p, dst, header);
+
+ /* Uniforms will have a stride <0;4,1>, and we need to convert to <0;1,0>.
+ * Other values get <4;1,0>.
+ */
+ struct brw_reg restrided_offset;
+ if (offset.vstride == BRW_VERTICAL_STRIDE_0 &&
+ offset.width == BRW_WIDTH_4 &&
+ offset.hstride == BRW_HORIZONTAL_STRIDE_1) {
+ restrided_offset = stride(offset, 0, 1, 0);
+ } else {
+ restrided_offset = stride(offset, 4, 1, 0);
+ }
+
/* m0.3-0.4: 128-bit-granular offsets into the URB from the handles */
- brw_MOV(p, vec2(get_element_ud(dst, 3)), stride(offset, 4, 1, 0));
+ brw_MOV(p, vec2(get_element_ud(dst, 3)), restrided_offset);
brw_pop_insn_state(p);
}
--
2.14.4
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