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79 lines
2.5 KiB
C++
79 lines
2.5 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 "WebGLExtensions.h"
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#include "GLContext.h"
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#include "mozilla/dom/WebGLRenderingContextBinding.h"
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#include "WebGLContext.h"
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namespace mozilla {
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WebGLExtensionInstancedArrays::WebGLExtensionInstancedArrays(WebGLContext* webgl)
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: WebGLExtensionBase(webgl)
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{
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if 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,
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GLint first,
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GLsizei count,
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GLsizei primcount)
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{
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if (mIsLost) {
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mContext->ErrorInvalidOperation("%s: Extension is lost.",
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"drawArraysInstancedANGLE");
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return;
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}
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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,
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GLsizei count,
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GLenum type,
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WebGLintptr offset,
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GLsizei primcount)
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{
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if (mIsLost) {
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mContext->ErrorInvalidOperation("%s: Extension is lost.",
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"drawElementsInstancedANGLE");
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return;
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}
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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,
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GLuint divisor)
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{
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if (mIsLost) {
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mContext->ErrorInvalidOperation("%s: Extension is lost.",
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"vertexAttribDivisorANGLE");
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return;
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}
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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* webgl)
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{
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gl::GLContext* gl = webgl->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, ANGLE_instanced_arrays)
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} // namespace mozilla
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