commit 6e05c2724d6939c40b858d78de0a0b3f08aeeac8
author Geoff Lang <geofflang@chromium.org> Mon Mar 17 10:46:54 2014 -0700
committer Geoff Lang <geofflang@chromium.org> Fri Mar 28 17:49:33 2014 +0000
tree 63054128b78859ca866fb9b8ecdb342c1f6d10da
parent 4c5c6bbb82f96de2d3abe0c7c7c7d72fba5217c9

Compile shaders with the best profile available.

Instead of always compiling D3D11 shaders with shader model 4, compile
with the latest profile that the current feature level allows.

BUG=angle:495

Change-Id: I478d3d4a1aadf24d893508eee1a8c11e501bc084
Reviewed-on: https://chromium-review.googlesource.com/190340
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>

src/libGLESv2/renderer/d3d11/Renderer11.cpp

diff --git a/src/libGLESv2/renderer/d3d11/Renderer11.cpp b/src/libGLESv2/renderer/d3d11/Renderer11.cpp
index 5b5a4de..2de24db 100644
--- a/src/libGLESv2/renderer/d3d11/Renderer11.cpp
+++ b/src/libGLESv2/renderer/d3d11/Renderer11.cpp
@@ -3023,24 +3023,43 @@
                                                   const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                                   bool separatedOutputBuffers, D3DWorkaroundType workaround)
 {
-    const char *profile = NULL;
-
+    const char *profileType = NULL;
     switch (type)
     {
       case rx::SHADER_VERTEX:
-        profile = "vs_4_0";
+        profileType = "vs";
         break;
       case rx::SHADER_PIXEL:
-        profile = "ps_4_0";
+        profileType = "ps";
         break;
       case rx::SHADER_GEOMETRY:
-        profile = "gs_4_0";
+        profileType = "gs";
         break;
       default:
         UNREACHABLE();
         return NULL;
     }
 
+    const char *profileVersion = NULL;
+    switch (mFeatureLevel)
+    {
+      case D3D_FEATURE_LEVEL_11_0:
+        profileVersion = "5_0";
+        break;
+      case D3D_FEATURE_LEVEL_10_1:
+        profileVersion = "4_1";
+        break;
+      case D3D_FEATURE_LEVEL_10_0:
+        profileVersion = "4_0";
+        break;
+      default:
+        UNREACHABLE();
+        return NULL;
+    }
+
+    char profile[32];
+    snprintf(profile, ArraySize(profile), "%s_%s", profileType, profileVersion);
+
     ID3DBlob *binary = (ID3DBlob*)mCompiler.compileToBinary(infoLog, shaderHLSL, profile, D3DCOMPILE_OPTIMIZATION_LEVEL0, false);
     if (!binary)
     {