third_party/WebKit/Source/modules/webgl/WebGLCompressedTexturePVRTC.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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#include "modules/webgl/WebGLCompressedTexturePVRTC.h"

#include "modules/webgl/WebGLRenderingContextBase.h"

namespace blink {

WebGLCompressedTexturePVRTC::WebGLCompressedTexturePVRTC(
    WebGLRenderingContextBase* context)
    : WebGLExtension(context) {
  context->AddCompressedTextureFormat(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG);
  context->AddCompressedTextureFormat(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG);
  context->AddCompressedTextureFormat(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG);
  context->AddCompressedTextureFormat(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG);
}

WebGLExtensionName WebGLCompressedTexturePVRTC::GetName() const {
  return kWebGLCompressedTexturePVRTCName;
}

WebGLCompressedTexturePVRTC* WebGLCompressedTexturePVRTC::Create(
    WebGLRenderingContextBase* context) {
  return new WebGLCompressedTexturePVRTC(context);
}

bool WebGLCompressedTexturePVRTC::Supported(
    WebGLRenderingContextBase* context) {
  return context->ExtensionsUtil()->SupportsExtension(
      "GL_IMG_texture_compression_pvrtc");
}

const char* WebGLCompressedTexturePVRTC::ExtensionName() {
  return "WEBGL_compressed_texture_pvrtc";
}

}  // namespace blink