зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.1 KiB
C++
82 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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 "WebGLVertexArray.h"
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#include "GLContext.h"
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#include "mozilla/dom/WebGLRenderingContextBinding.h"
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#include "WebGLBuffer.h"
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#include "WebGLContext.h"
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#include "WebGLVertexArrayGL.h"
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#include "WebGLVertexArrayFake.h"
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namespace mozilla {
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JSObject*
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WebGLVertexArray::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)
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{
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return dom::WebGLVertexArrayObject_Binding::Wrap(cx, this, givenProto);
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}
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WebGLVertexArray::WebGLVertexArray(WebGLContext* webgl)
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: WebGLRefCountedObject(webgl)
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, mGLName(0)
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{
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mAttribs.SetLength(mContext->mGLMaxVertexAttribs);
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mContext->mVertexArrays.insertBack(this);
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}
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WebGLVertexArray::~WebGLVertexArray()
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{
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MOZ_ASSERT(IsDeleted());
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}
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void
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WebGLVertexArray::AddBufferBindCounts(int8_t addVal) const
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{
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const GLenum target = 0; // Anything non-TF is fine.
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WebGLBuffer::AddBindCount(target, mElementArrayBuffer.get(), addVal);
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for (const auto& attrib : mAttribs) {
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WebGLBuffer::AddBindCount(target, attrib.mBuf.get(), addVal);
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}
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}
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WebGLVertexArray*
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WebGLVertexArray::Create(WebGLContext* webgl)
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{
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WebGLVertexArray* array;
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if (webgl->gl->IsSupported(gl::GLFeature::vertex_array_object)) {
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array = new WebGLVertexArrayGL(webgl);
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} else {
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array = new WebGLVertexArrayFake(webgl);
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}
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return array;
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}
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void
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WebGLVertexArray::Delete()
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{
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DeleteImpl();
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LinkedListElement<WebGLVertexArray>::removeFrom(mContext->mVertexArrays);
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mElementArrayBuffer = nullptr;
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mAttribs.Clear();
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}
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bool
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WebGLVertexArray::IsVertexArray() const
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{
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return IsVertexArrayImpl();
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}
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLVertexArray,
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mAttribs,
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mElementArrayBuffer)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLVertexArray, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLVertexArray, Release)
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} // namespace mozilla
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