Add support for extension EXT_draw_buffers.

include/GLSLANG/ShaderLang.h

@@ -211,6 +211,7 @@ typedef struct
     int OES_standard_derivatives;
     int OES_EGL_image_external;
     int ARB_texture_rectangle;
+    int EXT_draw_buffers;
 
     // Name Hashing.
     // Set a 64 bit hash function to enable user-defined name hashing.

src/common/version.h

 #define MAJOR_VERSION 1
 #define MINOR_VERSION 1
 #define BUILD_VERSION 0
-#define BUILD_REVISION 1828
+#define BUILD_REVISION 1830
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)

src/compiler/Initialize.cpp

@@ -654,4 +654,6 @@ void InitExtensionBehavior(const ShBuiltInResources& resources,
         extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
     if (resources.ARB_texture_rectangle)
         extBehavior["GL_ARB_texture_rectangle"] = EBhUndefined;
+    if (resources.EXT_draw_buffers)
+        extBehavior["GL_EXT_draw_buffers"] = EBhUndefined;
 }

src/compiler/ShaderLang.cpp

@@ -126,6 +126,7 @@ void ShInitBuiltInResources(ShBuiltInResources* resources)
     resources->OES_standard_derivatives = 0;
     resources->OES_EGL_image_external = 0;
     resources->ARB_texture_rectangle = 0;
+    resources->EXT_draw_buffers = 0;
 
     // Disable name hashing by default.
     resources->HashFunction = NULL;