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authorJason Ekstrand <[email protected]>2015-04-10 16:24:11 -0700
committerJason Ekstrand <[email protected]>2015-04-10 17:19:54 -0700
commitd47405eb707b9921f70454049677a9d504ee3fa6 (patch)
treec430e4f66b9141ac4adfaaf90081c6d42a69d09d /src/mesa/drivers
parentc2a0600d5b0645533ba442b5ab879b23c2564a4d (diff)
i965: Use NIR by default for fragment shaders
GLSL IR vs. NIR shader-db results on i965: total instructions in shared programs: 2889747 -> 2890782 (0.04%) instructions in affected programs: 2425446 -> 2426481 (0.04%) helped: 3698 HURT: 5341 GLSL IR vs. NIR shader-db results on g4x: total instructions in shared programs: 2547252 -> 2550440 (0.13%) instructions in affected programs: 1984482 -> 1987670 (0.16%) helped: 2844 HURT: 4776 GLSL IR vs. NIR shader-db results on Iron Lake: total instructions in shared programs: 4053381 -> 4063828 (0.26%) instructions in affected programs: 3026601 -> 3037048 (0.35%) helped: 4110 HURT: 8331 GAINED: 1287 LOST: 9 GLSL IR vs. NIR shader-db results on Sandy Bridge: total instructions in shared programs: 5307041 -> 5236666 (-1.33%) instructions in affected programs: 3442908 -> 3372533 (-2.04%) helped: 11829 HURT: 5604 GAINED: 33 LOST: 18 GLSL IR vs. NIR shader-db results on Ivy Bridge: total instructions in shared programs: 4926333 -> 4857017 (-1.41%) instructions in affected programs: 3144042 -> 3074726 (-2.20%) helped: 11559 HURT: 4774 GAINED: 46 LOST: 25 GLSL IR vs. NIR shader-db results on Bay Trail: total instructions in shared programs: 4926333 -> 4857017 (-1.41%) instructions in affected programs: 3144042 -> 3074726 (-2.20%) helped: 11559 HURT: 4774 GAINED: 46 LOST: 25 GLSL IR vs. NIR shader-db results on Haswell: total instructions in shared programs: 4392487 -> 4293476 (-2.25%) instructions in affected programs: 2800180 -> 2701169 (-3.54%) helped: 13073 HURT: 3383 GAINED: 46 LOST: 23 GLSL IR vs. NIR shader-db results on Broadwell (FS only): total instructions in shared programs: 4378113 -> 4283025 (-2.17%) instructions in affected programs: 2743209 -> 2648121 (-3.47%) helped: 12470 HURT: 3609 GAINED: 64 LOST: 27 Signed-off-by: Jason Ekstrand <[email protected]> Acked-by: Matt Turner <[email protected]> Acked-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index dfd00319309..e52c44e3f6d 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -590,7 +590,7 @@ brw_initialize_context_constants(struct brw_context *brw)
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].NirOptions = &nir_options;
}
- if (brw_env_var_as_boolean("INTEL_USE_NIR", false))
+ if (brw_env_var_as_boolean("INTEL_USE_NIR", true))
ctx->Const.ShaderCompilerOptions[MESA_SHADER_FRAGMENT].NirOptions = &nir_options;
/* ARB_viewport_array */