1/*
2 * Copyright (C) 2015-2017 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "WebGLRenderingContextBase.h"
29#include <memory>
30
31#if ENABLE(WEBGL)
32
33namespace WebCore {
34
35class WebGLRenderingContext final : public WebGLRenderingContextBase {
36 WTF_MAKE_ISO_ALLOCATED(WebGLRenderingContext);
37public:
38 static std::unique_ptr<WebGLRenderingContext> create(CanvasBase&, GraphicsContext3DAttributes);
39 static std::unique_ptr<WebGLRenderingContext> create(CanvasBase&, Ref<GraphicsContext3D>&&, GraphicsContext3DAttributes);
40
41 bool isWebGL1() const final { return true; }
42
43 WebGLExtension* getExtension(const String&) final;
44 WebGLAny getParameter(GC3Denum pname) final;
45 Optional<Vector<String>> getSupportedExtensions() final;
46
47 WebGLAny getFramebufferAttachmentParameter(GC3Denum target, GC3Denum attachment, GC3Denum pname) final;
48 void renderbufferStorage(GC3Denum target, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height) final;
49 bool validateFramebufferFuncParameters(const char* functionName, GC3Denum target, GC3Denum attachment) final;
50 void hint(GC3Denum target, GC3Denum mode) final;
51 void clear(GC3Dbitfield mask) final;
52
53 GC3Dint getMaxDrawBuffers() final;
54 GC3Dint getMaxColorAttachments() final;
55 void initializeVertexArrayObjects() final;
56 bool validateIndexArrayConservative(GC3Denum type, unsigned& numElementsRequired) final;
57 bool validateBlendEquation(const char* functionName, GC3Denum mode) final;
58 bool validateCapability(const char* functionName, GC3Denum cap) final;
59
60private:
61 WebGLRenderingContext(CanvasBase&, GraphicsContext3DAttributes);
62 WebGLRenderingContext(CanvasBase&, Ref<GraphicsContext3D>&&, GraphicsContext3DAttributes);
63};
64
65} // namespace WebCore
66
67SPECIALIZE_TYPE_TRAITS_CANVASRENDERINGCONTEXT(WebCore::WebGLRenderingContext, isWebGL1())
68
69#endif
70