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Merge pull request #10225 from darkdukey/saveRenderState 

save/restore render state
This commit is contained in:
Nite Luo 2015-01-27 11:12:05 -08:00
parent a45db07da3 15adaf2877
commit 2be140fccc
2 changed files with 49 additions and 2 deletions
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41
cocos/renderer/CCRenderer.cpp
View File

@ -131,6 +131,41 @@ void RenderQueue::clear()
_queuePosZ.clear();
}
void RenderQueue::saveRenderState()
{
_isDepthEnabled = glIsEnabled(GL_DEPTH_TEST);
_isCullEnabled = glIsEnabled(GL_CULL_FACE);
glGetBooleanv(GL_DEPTH_WRITEMASK, &_isDepthWrite);
CHECK_GL_ERROR_DEBUG();
}
void RenderQueue::restoreRenderState()
{
if (_isCullEnabled)
{
glEnable(GL_CULL_FACE);
}
else
{
glDisable(GL_CULL_FACE);
}
if (_isDepthEnabled)
{
glEnable(GL_DEPTH_TEST);
}
else
{
glDisable(GL_DEPTH_TEST);
}
glDepthMask(_isDepthWrite);
CHECK_GL_ERROR_DEBUG();
}
//
//
//
@ -465,10 +500,12 @@ void Renderer::processRenderCommand(RenderCommand* command)
}
}
void Renderer::visitRenderQueue(const RenderQueue& queue)
void Renderer::visitRenderQueue(RenderQueue& queue)
{
ssize_t size = queue.size();
queue.saveRenderState();
//Process Opaque Object
const std::vector<RenderCommand*>& opaqueQueue = queue.getOpaqueCommands();
if (opaqueQueue.size() > 0)
@ -507,6 +544,8 @@ void Renderer::visitRenderQueue(const RenderQueue& queue)
processRenderCommand(queue[index]);
}
flush();
queue.restoreRenderState();
}
void Renderer::render()

10
cocos/renderer/CCRenderer.h
View File

@ -57,12 +57,20 @@ public:
ssize_t getOpaqueQueueSize() const { return _queue3DOpaque.size(); }
const std::vector<RenderCommand*>& getOpaqueCommands() const { return _queue3DOpaque; }
void saveRenderState();
void restoreRenderState();
protected:
std::vector<RenderCommand*> _queue3DOpaque;
std::vector<RenderCommand*> _queue3DTransparent;
std::vector<RenderCommand*> _queueNegZ;
std::vector<RenderCommand*> _queue0;
std::vector<RenderCommand*> _queuePosZ;
//Render State related
bool _isCullEnabled;
bool _isDepthEnabled;
GLboolean _isDepthWrite;
};
struct RenderStackElement
@ -162,7 +170,7 @@ protected:
void flushTriangles();
void processRenderCommand(RenderCommand* command);
void visitRenderQueue(const RenderQueue& queue);
void visitRenderQueue(RenderQueue& queue);
void fillVerticesAndIndices(const TrianglesCommand* cmd);
void fillQuads(const QuadCommand* cmd);