mirror of
https://github.com/mozilla/gecko-dev.git
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87 lines
2.4 KiB
C++
87 lines
2.4 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 "WebGLBuffer.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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#include "WebGLElementArrayCache.h"
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using namespace mozilla;
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WebGLBuffer::WebGLBuffer(WebGLContext *context)
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: WebGLBindableName<BufferBinding>()
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, WebGLContextBoundObject(context)
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, mByteLength(0)
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{
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mContext->MakeContextCurrent();
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mContext->gl->fGenBuffers(1, &mGLName);
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mContext->mBuffers.insertBack(this);
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}
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WebGLBuffer::~WebGLBuffer() {
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DeleteOnce();
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}
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void
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WebGLBuffer::Delete() {
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mContext->MakeContextCurrent();
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mContext->gl->fDeleteBuffers(1, &mGLName);
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mByteLength = 0;
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mCache = nullptr;
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LinkedListElement<WebGLBuffer>::remove(); // remove from mContext->mBuffers
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}
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void
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WebGLBuffer::OnTargetChanged() {
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if (!mCache && mTarget == LOCAL_GL_ELEMENT_ARRAY_BUFFER)
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mCache = new WebGLElementArrayCache;
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}
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bool
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WebGLBuffer::ElementArrayCacheBufferData(const void* ptr, size_t buffer_size_in_bytes) {
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if (mTarget == LOCAL_GL_ELEMENT_ARRAY_BUFFER)
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return mCache->BufferData(ptr, buffer_size_in_bytes);
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return true;
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}
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void
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WebGLBuffer::ElementArrayCacheBufferSubData(size_t pos, const void* ptr, size_t update_size_in_bytes) {
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if (mTarget == LOCAL_GL_ELEMENT_ARRAY_BUFFER)
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mCache->BufferSubData(pos, ptr, update_size_in_bytes);
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}
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size_t
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WebGLBuffer::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
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{
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size_t sizeOfCache = mCache ? mCache->SizeOfIncludingThis(aMallocSizeOf) : 0;
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return aMallocSizeOf(this) + sizeOfCache;
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}
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bool
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WebGLBuffer::Validate(GLenum type, uint32_t max_allowed,
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size_t first, size_t count,
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uint32_t* out_upperBound)
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{
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return mCache->Validate(type, max_allowed, first, count, out_upperBound);
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}
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bool
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WebGLBuffer::IsElementArrayUsedWithMultipleTypes() const
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{
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return mCache->BeenUsedWithMultipleTypes();
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}
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JSObject*
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WebGLBuffer::WrapObject(JSContext *cx) {
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return dom::WebGLBufferBinding::Wrap(cx, this);
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}
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLBuffer)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLBuffer, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLBuffer, Release)
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