1/*
2 * Copyright (C) 2011 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 "WebGLCompressedTextureS3TC.h"
31
32#include "Extensions3D.h"
33#include "WebGLRenderingContextBase.h"
34
35namespace WebCore {
36
37WebGLCompressedTextureS3TC::WebGLCompressedTextureS3TC(WebGLRenderingContextBase& context)
38 : WebGLExtension(context)
39{
40 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB_S3TC_DXT1_EXT);
41 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT1_EXT);
42 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT3_EXT);
43 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT5_EXT);
44}
45
46WebGLCompressedTextureS3TC::~WebGLCompressedTextureS3TC() = default;
47
48WebGLExtension::ExtensionName WebGLCompressedTextureS3TC::getName() const
49{
50 return WebGLCompressedTextureS3TCName;
51}
52
53bool WebGLCompressedTextureS3TC::supported(WebGLRenderingContextBase& context)
54{
55 auto& extensions = context.graphicsContext3D()->getExtensions();
56 return extensions.supports("GL_EXT_texture_compression_s3tc")
57 || extensions.supports("GL_EXT_texture_compression_dxt1");
58}
59
60} // namespace WebCore
61
62#endif // ENABLE(WEBGL)
63