mirror of https://github.com/axmolengine/axmol.git
137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies 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 "renderer/CCVertexIndexData.h"
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#include "renderer/ccGLStateCache.h"
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#include "renderer/CCVertexIndexBuffer.h"
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NS_CC_BEGIN
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VertexData* VertexData::create()
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{
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VertexData* result = new (std::nothrow) VertexData();
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if(result)
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{
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result->autorelease();
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return result;
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}
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CC_SAFE_DELETE(result);
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return nullptr;
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}
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size_t VertexData::getVertexStreamCount() const
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{
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return _vertexStreams.size();
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}
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bool VertexData::setStream(VertexBuffer* buffer, const VertexStreamAttribute& stream)
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{
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if( buffer == nullptr ) return false;
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auto iter = _vertexStreams.find(stream._semantic);
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if(iter == _vertexStreams.end())
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{
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buffer->retain();
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auto& bufferAttribute = _vertexStreams[stream._semantic];
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bufferAttribute._buffer = buffer;
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bufferAttribute._stream = stream;
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}
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else
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{
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buffer->retain();
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iter->second._buffer->release();
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iter->second._stream = stream;
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iter->second._buffer = buffer;
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}
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return true;
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}
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void VertexData::removeStream(int semantic)
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{
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auto iter = _vertexStreams.find(semantic);
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if(iter != _vertexStreams.end())
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{
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iter->second._buffer->release();
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_vertexStreams.erase(iter);
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}
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}
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const VertexStreamAttribute* VertexData::getStreamAttribute(int semantic) const
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{
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auto iter = _vertexStreams.find(semantic);
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if(iter == _vertexStreams.end()) return nullptr;
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else return &iter->second._stream;
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}
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VertexStreamAttribute* VertexData::getStreamAttribute(int semantic)
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{
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auto iter = _vertexStreams.find(semantic);
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if(iter == _vertexStreams.end()) return nullptr;
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else return &iter->second._stream;
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}
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VertexBuffer* VertexData::getStreamBuffer(int semantic) const
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{
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auto iter = _vertexStreams.find(semantic);
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if(iter == _vertexStreams.end()) return nullptr;
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else return iter->second._buffer;
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}
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VertexData::VertexData()
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{
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}
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VertexData::~VertexData()
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{
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for(auto& element : _vertexStreams)
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{
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element.second._buffer->release();
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}
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_vertexStreams.clear();
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}
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void VertexData::use()
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{
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uint32_t flags(0);
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for(auto& element : _vertexStreams)
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{
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flags = flags | (1 << element.second._stream._semantic);
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}
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GL::enableVertexAttribs(flags);
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for(auto& element : _vertexStreams)
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{
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//glEnableVertexAttribArray((GLint)element.second._stream._semantic);
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glBindBuffer(GL_ARRAY_BUFFER, element.second._buffer->getVBO());
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size_t offet = element.second._stream._offset;
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glVertexAttribPointer(GLint(element.second._stream._semantic),element.second._stream._size,
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element.second._stream._type,element.second._stream._normalize, element.second._buffer->getSizePerVertex(), (GLvoid*)offet);
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}
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}
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NS_CC_END
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