commit c5a2a172ee9cc30b5a5edb4fcbe8a08e37a5374d
author Geoff Lang <geofflang@chromium.org> Fri Jan 13 15:55:07 2017 -0500
committer Commit Bot <commit-bot@chromium.org> Mon Jan 30 23:36:54 2017 +0000
tree 345db00ecb6688d226e37ba7345f2a04aabeb42e
parent 17a5c0621110b72449ac3a69dc79fcf1e419629a

Add EGL_EXT_pixel_format_float support, enables float EGL surfaces.

Add floating point EGL configs for the D3D11 backend.

BUG=angleproject:1707

Change-Id: Ic84cd3a0d41e78cc39d0275d83e7695f55673ddf
Reviewed-on: https://chromium-review.googlesource.com/428294
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/libANGLE/Config.cpp

diff --git a/src/libANGLE/Config.cpp b/src/libANGLE/Config.cpp
index 822518e..e0268d0 100644
--- a/src/libANGLE/Config.cpp
+++ b/src/libANGLE/Config.cpp
@@ -58,7 +58,8 @@
       transparentRedValue(0),
       transparentGreenValue(0),
       transparentBlueValue(0),
-      optimalOrientation(0)
+      optimalOrientation(0),
+      colorComponentType(EGL_COLOR_COMPONENT_TYPE_FIXED_EXT)
 {
 }
 
@@ -134,6 +135,10 @@
         static_assert(EGL_NONE < EGL_SLOW_CONFIG && EGL_SLOW_CONFIG < EGL_NON_CONFORMANT_CONFIG, "Unexpected EGL enum value.");
         SORT(configCaveat);
 
+        static_assert(EGL_COLOR_COMPONENT_TYPE_FIXED_EXT < EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT,
+                      "Unexpected order of EGL enums.");
+        SORT(colorComponentType);
+
         static_assert(EGL_RGB_BUFFER < EGL_LUMINANCE_BUFFER, "Unexpected EGL enum value.");
         SORT(colorBufferType);
 
@@ -255,6 +260,9 @@
               case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE:
                   match = config.optimalOrientation == attributeValue;
                   break;
+              case EGL_COLOR_COMPONENT_TYPE_EXT:
+                  match = config.colorComponentType == static_cast<EGLenum>(attributeValue);
+                  break;
               default: UNREACHABLE();
             }