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64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGLContext.h"
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#include "WebGLExtensions.h"
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#include "mozilla/dom/WebGLRenderingContextBinding.h"
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#include "GLContext.h"
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using namespace mozilla;
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WebGLExtensionInstancedArrays::WebGLExtensionInstancedArrays(WebGLContext* context)
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: WebGLExtensionBase(context)
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{
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MOZ_ASSERT(IsSupported(context), "should not construct WebGLExtensionInstancedArrays: "
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"ANGLE_instanced_arrays unsupported.");
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}
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WebGLExtensionInstancedArrays::~WebGLExtensionInstancedArrays()
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{
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}
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void
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WebGLExtensionInstancedArrays::DrawArraysInstancedANGLE(GLenum mode, GLint first,
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GLsizei count, GLsizei primcount)
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{
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if (mIsLost)
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return mContext->GenerateWarning("drawArraysInstancedANGLE: Extension is lost.");
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mContext->DrawArraysInstanced(mode, first, count, primcount);
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}
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void
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WebGLExtensionInstancedArrays::DrawElementsInstancedANGLE(GLenum mode, GLsizei count,
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GLenum type, WebGLintptr offset,
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GLsizei primcount)
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{
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if (mIsLost)
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return mContext->GenerateWarning("drawElementsInstancedANGLE: Extension is lost.");
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mContext->DrawElementsInstanced(mode, count, type, offset, primcount);
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}
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void
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WebGLExtensionInstancedArrays::VertexAttribDivisorANGLE(GLuint index, GLuint divisor)
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{
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if (mIsLost)
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return mContext->GenerateWarning("vertexAttribDivisorANGLE: Extension is lost.");
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mContext->VertexAttribDivisor(index, divisor);
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}
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bool
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WebGLExtensionInstancedArrays::IsSupported(const WebGLContext* context)
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{
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gl::GLContext* gl = context->GL();
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return gl->IsSupported(gl::GLFeature::draw_instanced) &&
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gl->IsSupported(gl::GLFeature::instanced_arrays);
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}
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IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionInstancedArrays)
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