Implement WEBGL_compressed_texture_s3tc_srgb

third_party/WebKit/Source/modules/webgl/WebGLCompressedTextureS3TCsRGB.idl

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+[
+    NoInterfaceObject,
+    DoNotCheckConstants,
+    SetWrapperReferenceFrom=canvas,
+] interface WebGLCompressedTextureS3TCsRGB {
+    /* Compressed Texture Formats */
+    const unsigned long COMPRESSED_SRGB_S3TC_DXT1_EXT        = 0x8C4C;
+    const unsigned long COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT  = 0x8C4D;
+    const unsigned long COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT  = 0x8C4E;
+    const unsigned long COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT  = 0x8C4F;
+};