1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#include "core/html/canvas/WebGLCompressedTexturePVRTC.h"
29
30#include "core/html/canvas/WebGLRenderingContextBase.h"
31
32namespace blink {
33
34WebGLCompressedTexturePVRTC::WebGLCompressedTexturePVRTC(WebGLRenderingContextBase* context)
35    : WebGLExtension(context)
36{
37    context->addCompressedTextureFormat(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG);
38    context->addCompressedTextureFormat(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG);
39    context->addCompressedTextureFormat(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG);
40    context->addCompressedTextureFormat(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG);
41}
42
43WebGLCompressedTexturePVRTC::~WebGLCompressedTexturePVRTC()
44{
45}
46
47WebGLExtensionName WebGLCompressedTexturePVRTC::name() const
48{
49    return WebGLCompressedTexturePVRTCName;
50}
51
52PassRefPtrWillBeRawPtr<WebGLCompressedTexturePVRTC> WebGLCompressedTexturePVRTC::create(WebGLRenderingContextBase* context)
53{
54    return adoptRefWillBeNoop(new WebGLCompressedTexturePVRTC(context));
55}
56
57bool WebGLCompressedTexturePVRTC::supported(WebGLRenderingContextBase* context)
58{
59    return context->extensionsUtil()->supportsExtension("GL_IMG_texture_compression_pvrtc");
60}
61
62const char* WebGLCompressedTexturePVRTC::extensionName()
63{
64    return "WEBGL_compressed_texture_pvrtc";
65}
66
67} // namespace blink
68