[Mesa-dev] [PATCH] i965/shader: Don't use OptimizeForAOS for NIR vec4 vertex shaders

Jason Ekstrand jason at jlekstrand.net
Fri Aug 7 14:22:39 PDT 2015


Shader-db results for vec4 programs using NIR on HSW:

   total instructions in shared programs: 1838157 -> 1828469 (-0.53%)
   instructions in affected programs:     275978 -> 266290 (-3.51%)
   helped:                                2827
   HURT:                                  244
   GAINED:                                0
   LOST:                                  0
---
 src/mesa/drivers/dri/i965/brw_shader.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 97f32a8..90ec7a4 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -129,8 +129,8 @@ brw_compiler_create(void *mem_ctx, const struct brw_device_info *devinfo)
           */
          compiler->glsl_compiler_options[MESA_SHADER_VERTEX].EmitNoIndirectOutput = true;
          compiler->glsl_compiler_options[MESA_SHADER_VERTEX].EmitNoIndirectTemp = true;
+         compiler->glsl_compiler_options[MESA_SHADER_VERTEX].OptimizeForAOS = false;
       }
-      compiler->glsl_compiler_options[MESA_SHADER_VERTEX].OptimizeForAOS = false;
 
       compiler->glsl_compiler_options[MESA_SHADER_VERTEX].NirOptions = nir_options;
    }
-- 
2.4.3



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