зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.3 KiB
C++
78 строки
2.3 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 "WebGLContext.h"
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#include "WebGLBuffer.h"
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#include "WebGLVertexArrayGL.h"
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#include "WebGLVertexArrayFake.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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JSObject*
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WebGLVertexArray::WrapObject(JSContext *cx) {
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return dom::WebGLVertexArrayBinding::Wrap(cx, this);
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}
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WebGLVertexArray::WebGLVertexArray(WebGLContext* context)
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: WebGLBindableName<VAOBinding>()
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, WebGLContextBoundObject(context)
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{
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context->mVertexArrays.insertBack(this);
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}
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WebGLVertexArray*
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WebGLVertexArray::Create(WebGLContext* context)
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{
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WebGLVertexArray* array;
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if (context->gl->IsSupported(gl::GLFeature::vertex_array_object)) {
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array = new WebGLVertexArrayGL(context);
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} else {
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array = new WebGLVertexArrayFake(context);
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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::EnsureAttrib(GLuint index, const char *info)
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{
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if (index >= GLuint(mContext->mGLMaxVertexAttribs)) {
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if (index == GLuint(-1)) {
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mContext->ErrorInvalidValue("%s: index -1 is invalid. That probably comes from a getAttribLocation() call, "
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"where this return value -1 means that the passed name didn't correspond to an active attribute in "
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"the specified program.", info);
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} else {
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mContext->ErrorInvalidValue("%s: index %d is out of range", info, index);
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}
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return false;
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}
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else if (index >= mAttribs.Length()) {
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mAttribs.SetLength(index + 1);
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}
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return true;
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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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