mirror of https://github.com/axmolengine/axmol.git
82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
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/****************************************************************************
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Copyright (c) 2013 Zynga Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "CCGLBufferedNode.h"
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CCGLBufferedNode::CCGLBufferedNode(void)
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{
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for(int i = 0; i < BUFFER_SLOTS; i++)
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{
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m_bufferObject[i] = 0;
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m_bufferSize[i] = 0;
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m_indexBufferObject[i] = 0;
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m_indexBufferSize[i] = 0;
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}
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}
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void CCGLBufferedNode::setGLBufferData(void *buf, GLuint bufSize, int slot)
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{
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// WebGL doesn't support client-side arrays, so generate a buffer and load the data first.
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if(m_bufferSize[slot] < bufSize)
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{
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if(m_bufferObject[slot])
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{
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glDeleteBuffers(1, &(m_bufferObject[slot]));
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}
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glGenBuffers(1, &(m_bufferObject[slot]));
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m_bufferSize[slot] = bufSize;
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glBindBuffer(GL_ARRAY_BUFFER, m_bufferObject[slot]);
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glBufferData(GL_ARRAY_BUFFER, bufSize, buf, GL_DYNAMIC_DRAW);
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}
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else
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{
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glBindBuffer(GL_ARRAY_BUFFER, m_bufferObject[slot]);
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glBufferSubData(GL_ARRAY_BUFFER, 0, bufSize, buf);
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}
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}
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void CCGLBufferedNode::setGLIndexData(void *buf, GLuint bufSize, int slot)
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{
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// WebGL doesn't support client-side arrays, so generate a buffer and load the data first.
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if(m_indexBufferSize[slot] < bufSize)
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{
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if(m_indexBufferObject[slot])
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{
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glDeleteBuffers(1, &(m_indexBufferObject[slot]));
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}
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glGenBuffers(1, &(m_indexBufferObject[slot]));
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m_indexBufferSize[slot] = bufSize;
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBufferObject[slot]);
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, bufSize, buf, GL_DYNAMIC_DRAW);
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}
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else
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{
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBufferObject[slot]);
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glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, bufSize, buf);
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}
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}
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