1/*
2 * Copyright (C) 2018 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebGLCompressedTextureASTC.h"
28
29#if ENABLE(WEBGL)
30
31#include "Extensions3D.h"
32#include "RuntimeEnabledFeatures.h"
33#include "WebGLRenderingContextBase.h"
34
35namespace WebCore {
36
37WebGLCompressedTextureASTC::WebGLCompressedTextureASTC(WebGLRenderingContextBase& context)
38 : WebGLExtension(context)
39 , m_isHDRSupported(context.graphicsContext3D()->getExtensions().supports("GL_KHR_texture_compression_astc_hdr"_s))
40 , m_isLDRSupported(context.graphicsContext3D()->getExtensions().supports("GL_KHR_texture_compression_astc_ldr"_s))
41{
42 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_4x4_KHR);
43 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_5x4_KHR);
44 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_5x5_KHR);
45 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_6x5_KHR);
46 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_6x6_KHR);
47 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_8x5_KHR);
48 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_8x6_KHR);
49 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_8x8_KHR);
50 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_10x5_KHR);
51 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_10x6_KHR);
52 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_10x8_KHR);
53 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_10x10_KHR);
54 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_12x10_KHR);
55 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_ASTC_12x12_KHR);
56
57 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR);
58 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR);
59 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR);
60 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR);
61 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR);
62 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR);
63 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR);
64 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR);
65 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR);
66 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR);
67 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR);
68 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR);
69 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR);
70 context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR);
71}
72
73WebGLCompressedTextureASTC::~WebGLCompressedTextureASTC() = default;
74
75WebGLExtension::ExtensionName WebGLCompressedTextureASTC::getName() const
76{
77 return WebGLCompressedTextureASTCName;
78}
79
80Vector<String> WebGLCompressedTextureASTC::getSupportedProfiles()
81{
82 Vector<String> result;
83
84 if (m_isHDRSupported)
85 result.append("hdr"_s);
86 if (m_isLDRSupported)
87 result.append("ldr"_s);
88
89 return result;
90}
91
92bool WebGLCompressedTextureASTC::supported(const WebGLRenderingContextBase& context)
93{
94 return RuntimeEnabledFeatures::sharedFeatures().webGLCompressedTextureASTCSupportEnabled()
95 && (context.graphicsContext3D()->getExtensions().supports("GL_KHR_texture_compression_astc_hdr"_s)
96 || context.graphicsContext3D()->getExtensions().supports("GL_KHR_texture_compression_astc_ldr"_s));
97}
98
99} // namespace WebCore
100
101#endif // ENABLE(WEBGL)
102