commit a5527071817d42ce35256e5398d94e6ff2701adb
author Andrei Volykhin <andrei.volykhin@gmail.com> Wed Mar 22 16:46:30 2017 +0300
committer Commit Bot <commit-bot@chromium.org> Wed Mar 22 20:50:14 2017 +0000
tree 4cc3809abb29cd66f9f3dc78a18435c78e269a45
parent c1ebf5bdaadc3cd1ff51a9a8b3ba611372bfa453

Add support for EXT_YUV_target

Add new sampler type "__samplerExternal2DY2YEXT"
to sample a YUV texture image and output color value
without any color conversion,
new additional type to specify color space standard formula and
built-in functions for yuv to rgb transformation.

Change-Id: I1780650fe84cd75191c1ca1e4118e89d585bfd92
Reviewed-on: https://chromium-review.googlesource.com/454697
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

src/compiler/translator/OutputGLSLBase.cpp

diff --git a/src/compiler/translator/OutputGLSLBase.cpp b/src/compiler/translator/OutputGLSLBase.cpp
index 6557501..b5a8b1e 100644
--- a/src/compiler/translator/OutputGLSLBase.cpp
+++ b/src/compiler/translator/OutputGLSLBase.cpp
@@ -73,6 +73,11 @@
         return true;
     }
 
+    if (type.getQualifier() == EvqFragmentOut && layoutQualifier.yuv == true)
+    {
+        return true;
+    }
+
     if (IsOpaqueType(type.getBasicType()) && layoutQualifier.binding != -1)
     {
         return true;
@@ -214,6 +219,14 @@
         }
     }
 
+    if (type.getQualifier() == EvqFragmentOut)
+    {
+        if (layoutQualifier.yuv == true)
+        {
+            out << listItemPrefix << "yuv";
+        }
+    }
+
     if (IsOpaqueType(type.getBasicType()))
     {
         if (layoutQualifier.binding >= 0)
@@ -414,6 +427,9 @@
                 case EbtBool:
                     out << pConstUnion->getBConst();
                     break;
+                case EbtYuvCscStandardEXT:
+                    out << getYuvCscStandardEXTString(pConstUnion->getYuvCscStandardEXTConst());
+                    break;
                 default:
                     UNREACHABLE();
             }