зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
1.9 KiB
C++
87 строки
1.9 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 "WebGLContext.h"
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#include "GLContext.h"
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#include "WebGLBuffer.h"
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#include "WebGLVertexArray.h"
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#include "WebGLVertexAttribData.h"
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namespace mozilla {
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void
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WebGLContext::BindVertexArray(WebGLVertexArray* array)
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{
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if (IsContextLost())
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return;
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if (array && !ValidateObject("bindVertexArrayObject", *array))
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return;
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InvalidateBufferFetching();
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MakeContextCurrent();
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if (mBoundVertexArray) {
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mBoundVertexArray->AddBufferBindCounts(-1);
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}
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if (array == nullptr) {
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array = mDefaultVertexArray;
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}
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array->BindVertexArray();
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MOZ_ASSERT(mBoundVertexArray == array);
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if (mBoundVertexArray) {
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mBoundVertexArray->AddBufferBindCounts(+1);
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}
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}
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already_AddRefed<WebGLVertexArray>
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WebGLContext::CreateVertexArray()
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{
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if (IsContextLost())
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return nullptr;
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RefPtr<WebGLVertexArray> globj = CreateVertexArrayImpl();
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MakeContextCurrent();
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globj->GenVertexArray();
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return globj.forget();
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}
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WebGLVertexArray*
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WebGLContext::CreateVertexArrayImpl()
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{
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return WebGLVertexArray::Create(this);
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}
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void
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WebGLContext::DeleteVertexArray(WebGLVertexArray* array)
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{
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if (!ValidateDeleteObject("deleteVertexArray", array))
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return;
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if (mBoundVertexArray == array)
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BindVertexArray(static_cast<WebGLVertexArray*>(nullptr));
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array->RequestDelete();
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}
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bool
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WebGLContext::IsVertexArray(const WebGLVertexArray* array)
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{
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if (!ValidateIsObject("isVertexArray", array))
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return false;
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MakeContextCurrent();
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return array->IsVertexArray();
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}
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} // namespace mozilla
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