From 80390f91a0e200ae29a678bda495b91f6452023a Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Tue, 17 Mar 2015 13:10:19 -0700
Subject: i965/nir: Use NIR lowering for ffma for gen < 6

Reviewed-by: Matt Turner <mattst88@gmail.com>
---
 src/mesa/drivers/dri/i965/brw_context.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/mesa')

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index a39443aa6e4..ed6fdffd265 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -551,7 +551,12 @@ brw_initialize_context_constants(struct brw_context *brw)
       ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 128;
    }
 
-   static const nir_shader_compiler_options nir_options = {
+   static const nir_shader_compiler_options gen4_nir_options = {
+      .native_integers = true,
+      .lower_ffma = true,
+   };
+
+   static const nir_shader_compiler_options gen6_nir_options = {
       .native_integers = true,
    };
 
@@ -568,7 +573,10 @@ brw_initialize_context_constants(struct brw_context *brw)
 	 (i == MESA_SHADER_FRAGMENT);
       ctx->Const.ShaderCompilerOptions[i].EmitNoIndirectUniform = false;
       ctx->Const.ShaderCompilerOptions[i].LowerClipDistance = true;
-      ctx->Const.ShaderCompilerOptions[i].NirOptions = &nir_options;
+      if (brw->gen >= 6)
+         ctx->Const.ShaderCompilerOptions[i].NirOptions = &gen6_nir_options;
+      else
+         ctx->Const.ShaderCompilerOptions[i].NirOptions = &gen4_nir_options;
    }
 
    ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = true;
-- 
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