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comparison: content/canvas/src/WebGLExtensionInstancedArrays.cpp
content/canvas/src/WebGLExtensionInstancedArrays.cpp
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "WebGLContext.h" | |
| 7 #include "WebGLExtensions.h" | |
| 8 #include "mozilla/dom/WebGLRenderingContextBinding.h" | |
| 9 #include "GLContext.h" | |
| 10 | |
| 11 using namespace mozilla; | |
| 12 | |
| 13 WebGLExtensionInstancedArrays::WebGLExtensionInstancedArrays(WebGLContext* context) | |
| 14 : WebGLExtensionBase(context) | |
| 15 { | |
| 16 MOZ_ASSERT(IsSupported(context), "should not construct WebGLExtensionInstancedArrays: " | |
| 17 "ANGLE_instanced_arrays unsupported."); | |
| 18 } | |
| 19 | |
| 20 WebGLExtensionInstancedArrays::~WebGLExtensionInstancedArrays() | |
| 21 { | |
| 22 } | |
| 23 | |
| 24 void | |
| 25 WebGLExtensionInstancedArrays::DrawArraysInstancedANGLE(GLenum mode, GLint first, | |
| 26 GLsizei count, GLsizei primcount) | |
| 27 { | |
| 28 if (mIsLost) | |
| 29 return mContext->ErrorInvalidOperation("drawArraysInstancedANGLE: Extension is lost."); | |
| 30 | |
| 31 mContext->DrawArraysInstanced(mode, first, count, primcount); | |
| 32 } | |
| 33 | |
| 34 void | |
| 35 WebGLExtensionInstancedArrays::DrawElementsInstancedANGLE(GLenum mode, GLsizei count, | |
| 36 GLenum type, WebGLintptr offset, | |
| 37 GLsizei primcount) | |
| 38 { | |
| 39 if (mIsLost) | |
| 40 return mContext->ErrorInvalidOperation("drawElementsInstancedANGLE: Extension is lost."); | |
| 41 | |
| 42 mContext->DrawElementsInstanced(mode, count, type, offset, primcount); | |
| 43 } | |
| 44 | |
| 45 void | |
| 46 WebGLExtensionInstancedArrays::VertexAttribDivisorANGLE(GLuint index, GLuint divisor) | |
| 47 { | |
| 48 if (mIsLost) | |
| 49 return mContext->ErrorInvalidOperation("vertexAttribDivisorANGLE: Extension is lost."); | |
| 50 | |
| 51 mContext->VertexAttribDivisor(index, divisor); | |
| 52 } | |
| 53 | |
| 54 bool | |
| 55 WebGLExtensionInstancedArrays::IsSupported(const WebGLContext* context) | |
| 56 { | |
| 57 gl::GLContext* gl = context->GL(); | |
| 58 | |
| 59 return gl->IsSupported(gl::GLFeature::draw_instanced) && | |
| 60 gl->IsSupported(gl::GLFeature::instanced_arrays); | |
| 61 } | |
| 62 | |
| 63 IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionInstancedArrays) |
