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using indexBuffer instead of raw VBO

This commit is contained in:
Huabing.Xu 2014-08-04 10:40:07 +08:00
parent 3d4bfe7780
commit a44f4c95e1
2 changed files with 11 additions and 12 deletions
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19
cocos/2d/CCFastTMXLayer.cpp
View File

@ -122,8 +122,8 @@ TMXLayer::TMXLayer()
, _dirty(true)
, _quadsDirty(true)
, _vertexBuffer(nullptr)
, _indexBuffer(nullptr)
{
_buffersVBO = 0;
}
TMXLayer::~TMXLayer()
@ -132,10 +132,7 @@ TMXLayer::~TMXLayer()
CC_SAFE_RELEASE(_texture);
CC_SAFE_DELETE_ARRAY(_tiles);
CC_SAFE_RELEASE(_vertexBuffer);
if(glIsBuffer(_buffersVBO))
{
glDeleteBuffers(1, &_buffersVBO);
}
CC_SAFE_RELEASE(_indexBuffer);
}
@ -181,7 +178,7 @@ void TMXLayer::onDraw(int offset, int count)
GL::bindVAO(0);
glBindBuffer(GL_ARRAY_BUFFER, _vertexBuffer->getVBO());
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _buffersVBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _indexBuffer->getVBO());
GL::enableVertexAttribs(GL::VERTEX_ATTRIB_FLAG_POS_COLOR_TEX);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 3, GL_FLOAT, GL_FALSE, sizeof(V3F_C4B_T2F), (GLvoid*)0);
@ -300,13 +297,13 @@ void TMXLayer::updateVertexBuffer()
void TMXLayer::updateIndexBuffer()
{
if(!glIsBuffer(_buffersVBO))
if(nullptr == _indexBuffer)
{
glGenBuffers(1, &_buffersVBO);
_indexBuffer = IndexBuffer::create(IndexBuffer::IndexType::INDEX_TYPE_UINT_32, (int)_indices.size());
CC_SAFE_RETAIN(_indexBuffer);
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _buffersVBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(int) * _indices.size(), &_indices[0], GL_DYNAMIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
_indexBuffer->updateIndices(&_indices[0], (int)_indices.size(), 0);
}
// FastTMXLayer - setup Tiles

4
cocos/2d/CCFastTMXLayer.h
View File

@ -229,7 +229,7 @@ protected:
/** container for sprite children. map<index, pair<sprite, gid> > */
std::map<int, std::pair<Sprite*, int> > _spriteContainer;
GLuint _buffersVBO; //0: vertex, 1: indices
//GLuint _buffersVBO; //0: vertex, 1: indices
Size _screenGridSize;
Rect _screenGridRect;
@ -252,6 +252,8 @@ protected:
VertexBuffer* _vertexBuffer;
IndexBuffer* _indexBuffer;
public:
/** Possible orientations of the TMX map */
static const int FAST_TMX_ORIENTATION_ORTHO;