1/*
2 * Copyright (C) 2014 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
28#if ENABLE(WEBGL)
29#include "ANGLEInstancedArrays.h"
30
31#if PLATFORM(GTK)
32#include "Extensions3D.h"
33#endif
34
35namespace WebCore {
36
37ANGLEInstancedArrays::ANGLEInstancedArrays(WebGLRenderingContextBase& context)
38 : WebGLExtension(context)
39{
40}
41
42ANGLEInstancedArrays::~ANGLEInstancedArrays() = default;
43
44WebGLExtension::ExtensionName ANGLEInstancedArrays::getName() const
45{
46 return ANGLEInstancedArraysName;
47}
48
49bool ANGLEInstancedArrays::supported(WebGLRenderingContextBase& context)
50{
51#if PLATFORM(COCOA)
52 UNUSED_PARAM(context);
53 return true;
54#elif PLATFORM(GTK)
55 return context.graphicsContext3D()->getExtensions().supports("GL_ANGLE_instanced_arrays");
56#else
57 UNUSED_PARAM(context);
58 return false;
59#endif
60}
61
62void ANGLEInstancedArrays::drawArraysInstancedANGLE(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount)
63{
64 if (m_context.isContextLost())
65 return;
66 m_context.drawArraysInstanced(mode, first, count, primcount);
67}
68
69void ANGLEInstancedArrays::drawElementsInstancedANGLE(GC3Denum mode, GC3Dsizei count, GC3Denum type, long long offset, GC3Dsizei primcount)
70{
71 if (m_context.isContextLost())
72 return;
73 m_context.drawElementsInstanced(mode, count, type, offset, primcount);
74}
75
76void ANGLEInstancedArrays::vertexAttribDivisorANGLE(GC3Duint index, GC3Duint divisor)
77{
78 if (m_context.isContextLost())
79 return;
80 m_context.vertexAttribDivisor(index, divisor);
81}
82
83} // namespace WebCore
84
85#endif // ENABLE(WEBGL)
86