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#if ENABLE(WEBGL)
29
30#include "WebGLCompressedTexturePVRTC.h"
31
32#include "Extensions3D.h"
33#include "WebGLRenderingContext.h"
34
35namespace WebCore {
36
37WebGLCompressedTexturePVRTC::WebGLCompressedTexturePVRTC(WebGLRenderingContext* context)
38    : WebGLExtension(context)
39{
40    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB_PVRTC_4BPPV1_IMG);
41    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB_PVRTC_2BPPV1_IMG);
42    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_PVRTC_4BPPV1_IMG);
43    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_PVRTC_2BPPV1_IMG);
44}
45
46WebGLCompressedTexturePVRTC::~WebGLCompressedTexturePVRTC()
47{
48}
49
50WebGLExtension::ExtensionName WebGLCompressedTexturePVRTC::getName() const
51{
52    return WebGLCompressedTexturePVRTCName;
53}
54
55PassOwnPtr<WebGLCompressedTexturePVRTC> WebGLCompressedTexturePVRTC::create(WebGLRenderingContext* context)
56{
57    return adoptPtr(new WebGLCompressedTexturePVRTC(context));
58}
59
60bool WebGLCompressedTexturePVRTC::supported(WebGLRenderingContext* context)
61{
62    Extensions3D* extensions = context->graphicsContext3D()->getExtensions();
63    return extensions->supports("GL_IMG_texture_compression_pvrtc");
64}
65
66} // namespace WebCore
67
68#endif // ENABLE(WEBGL)
69