2013-08-22 12:04:55 -07:00
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/* -*- 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 "VBOArena.h"
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2013-09-04 05:14:52 -07:00
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#include "GLContext.h"
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2013-08-22 12:04:55 -07:00
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using namespace mozilla::gl;
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GLuint VBOArena::Allocate(GLContext *aGLContext)
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{
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if (!mAvailableVBOs.size()) {
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GLuint vbo;
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aGLContext->fGenBuffers(1, &vbo);
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mAllocatedVBOs.push_back(vbo);
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return vbo;
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}
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GLuint vbo = mAvailableVBOs.back();
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mAvailableVBOs.pop_back();
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return vbo;
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}
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void VBOArena::Reset()
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{
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mAvailableVBOs = mAllocatedVBOs;
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}
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void VBOArena::Flush(GLContext *aGLContext)
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{
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if (mAvailableVBOs.size()) {
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#ifdef DEBUG
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printf_stderr("VBOArena::Flush for %u VBOs\n", mAvailableVBOs.size());
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#endif
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aGLContext->fDeleteBuffers(mAvailableVBOs.size(), &mAvailableVBOs[0]);
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}
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}
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