mirror of https://github.com/axmolengine/axmol.git
153 lines
4.7 KiB
C++
153 lines
4.7 KiB
C++
/****************************************************************************
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Copyright (c) 2015 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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#ifndef __CC_FRAME_BUFFER_H__
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#define __CC_FRAME_BUFFER_H__
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#include "base/CCRef.h"
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#include "platform/CCGL.h"
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#include "renderer/CCTexture2D.h"
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#include <set>
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NS_CC_BEGIN
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class EventListenerCustom;
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class RenderTargetBase : public Ref
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{
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protected:
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RenderTargetBase();
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virtual ~RenderTargetBase();
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bool init(unsigned int width, unsigned int height);
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public:
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unsigned int getWidth() const { return _width; }
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unsigned int getHeight() const { return _height; }
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protected:
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unsigned int _width;
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unsigned int _height;
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};
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class RenderTarget : public RenderTargetBase
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{
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public:
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static RenderTarget* create(unsigned int width, unsigned int height, Texture2D::PixelFormat format = Texture2D::PixelFormat::RGBA8888);
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bool init(unsigned int width, unsigned int height, Texture2D::PixelFormat format);
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Texture2D* getTexture() const { return _texture; }
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CC_CONSTRUCTOR_ACCESS:
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RenderTarget();
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virtual ~RenderTarget();
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protected:
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Texture2D* _texture;
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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EventListenerCustom* _rebuildTextureListener;
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#endif
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};
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class RenderTargetDepthStencil : public RenderTargetBase
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{
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public:
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static RenderTargetDepthStencil* create(unsigned int width, unsigned int height);
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bool init(unsigned int width, unsigned int height);
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GLuint getDepthStencilBuffer() const { return _depthStencilBuffer; }
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CC_CONSTRUCTOR_ACCESS:
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RenderTargetDepthStencil();
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virtual ~RenderTargetDepthStencil();
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protected:
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GLuint _depthStencilBuffer;
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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EventListenerCustom* _reBuildDepthStencilListener;
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#endif
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};
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class CC_DLL FrameBufferObject : public Ref
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{
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public:
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static FrameBufferObject* create(uint8_t fid, unsigned int width, unsigned int height);
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bool init(uint8_t fid, unsigned int width, unsigned int height);
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public:
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GLuint getFBO() const { return _fbo; }
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GLuint getFID() const { return _fid; }
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//call glclear to clear frame buffer object
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void clearFBO();
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void applyFBO();
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void setClearColor(const Color4F& color) { _clearColor = color;}
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void setClearDepth(float depth) { _clearDepth = depth; }
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void setClearStencil(int8_t stencil) { _clearStencil = stencil; }
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const Color4F& getClearColor() const { return _clearColor; }
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float getClearDepth() const { return _clearDepth; }
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int8_t getClearStencil() const { return _clearStencil; }
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RenderTarget* getRenderTarget() const { return _rt; }
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RenderTargetDepthStencil* getDepthStencilTarget() const { return _rtDepthStencil; }
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void AttachRenderTarget(RenderTarget* rt);
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void AttachDepthStencilTarget(RenderTargetDepthStencil* rt);
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CC_CONSTRUCTOR_ACCESS:
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FrameBufferObject();
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virtual ~FrameBufferObject();
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private:
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//openGL content for FrameBuffer
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GLuint _fbo;
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//dirty flag for fbo binding
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bool _fboBindingDirty;
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//
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uint8_t _fid;
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//
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Color4F _clearColor;
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float _clearDepth;
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int8_t _clearStencil;
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int _width;
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int _height;
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RenderTarget* _rt;
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RenderTargetDepthStencil* _rtDepthStencil;
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public:
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static void initDefaultFBO();
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static void applyDefaultFBO();
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static void clearAllFBOs();
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private:
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static GLuint _defaultFBO;
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static std::set<FrameBufferObject*> _frameBufferObjects;
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private:
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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EventListenerCustom* _dirtyFBOListener;
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#endif
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};
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NS_CC_END
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#endif /* defined(__CC_FRAME_BUFFER_H__) */
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