commit 02f075c85b5e16b6ca1bfc157f1d619ed255f75a
author Kai Ninomiya <kainino@chromium.org> Thu Dec 22 14:55:46 2016 -0800
committer Commit Bot <commit-bot@chromium.org> Fri Jan 06 23:46:46 2017 +0000
tree c51e43147fcdb9ead7da8b68df721a29fd21c331
parent cbcde724659789b3ef4dfd11f4df8fde52d247eb

Support EXT_texture_compression_s3tc_srgb on DX11

Also passes WEBGL_compressed_texture_s3tc_srgb conformance on WebGL 1/2 on DX11

BUG=angleproject:1553
BUG=chromium:630498

Change-Id: If1d17b54b1e8b998410079fd217626410015d7f1
Reviewed-on: https://chromium-review.googlesource.com/422585
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/validationES2.cpp

diff --git a/src/libANGLE/validationES2.cpp b/src/libANGLE/validationES2.cpp
index 4deb90a..dc2a008 100644
--- a/src/libANGLE/validationES2.cpp
+++ b/src/libANGLE/validationES2.cpp
@@ -436,6 +436,16 @@
                     return false;
                 }
                 break;
+            case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+            case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+            case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+            case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+                if (!context->getExtensions().textureCompressionS3TCsRGB)
+                {
+                    context->handleError(Error(GL_INVALID_ENUM));
+                    return false;
+                }
+                break;
             case GL_ETC1_RGB8_OES:
                 if (!context->getExtensions().compressedETC1RGB8Texture)
                 {