102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
#pragma once
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#include <list>
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#include "VideoCommon/VideoCommon.h"
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inline bool AddressRangesOverlap(u32 aLower, u32 aUpper, u32 bLower, u32 bUpper)
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{
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return !((aLower >= bUpper) || (bLower >= aUpper));
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}
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struct XFBSourceBase
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{
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virtual ~XFBSourceBase() {}
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virtual void DecodeToTexture(u32 xfbAddr, u32 fbWidth, u32 fbHeight) = 0;
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virtual void CopyEFB(float Gamma) = 0;
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u32 srcAddr;
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u32 srcWidth;
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u32 srcHeight;
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unsigned int texWidth;
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unsigned int texHeight;
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// TODO: only used by OGL
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TargetRectangle sourceRc;
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};
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class FramebufferManagerBase
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{
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public:
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enum
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{
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// There may be multiple XFBs in GameCube RAM. This is the maximum number to
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// virtualize.
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MAX_VIRTUAL_XFB = 8
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};
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FramebufferManagerBase();
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virtual ~FramebufferManagerBase();
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static void CopyToXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,float Gamma);
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static const XFBSourceBase* const* GetXFBSource(u32 xfbAddr, u32 fbWidth, u32 fbHeight, u32* xfbCount);
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static void SetLastXfbWidth(unsigned int width) { s_last_xfb_width = width; }
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static void SetLastXfbHeight(unsigned int height) { s_last_xfb_height = height; }
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static unsigned int LastXfbWidth() { return s_last_xfb_width; }
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static unsigned int LastXfbHeight() { return s_last_xfb_height; }
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static int ScaleToVirtualXfbWidth(int x);
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static int ScaleToVirtualXfbHeight(int y);
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static unsigned int GetEFBLayers() { return m_EFBLayers; }
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protected:
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struct VirtualXFB
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{
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VirtualXFB()
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{
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}
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// Address and size in GameCube RAM
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u32 xfbAddr = 0;
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u32 xfbWidth = 0;
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u32 xfbHeight = 0;
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XFBSourceBase* xfbSource = nullptr;
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};
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typedef std::list<VirtualXFB> VirtualXFBListType;
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static unsigned int m_EFBLayers;
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private:
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virtual XFBSourceBase* CreateXFBSource(unsigned int target_width, unsigned int target_height, unsigned int layers) = 0;
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// TODO: figure out why OGL is different for this guy
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virtual void GetTargetSize(unsigned int *width, unsigned int *height) = 0;
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static VirtualXFBListType::iterator FindVirtualXFB(u32 xfbAddr, u32 width, u32 height);
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static void ReplaceVirtualXFB();
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// TODO: merge these virtual funcs, they are nearly all the same
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virtual void CopyToRealXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,float Gamma = 1.0f) = 0;
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static void CopyToVirtualXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,float Gamma = 1.0f);
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static const XFBSourceBase* const* GetRealXFBSource(u32 xfbAddr, u32 fbWidth, u32 fbHeight, u32* xfbCount);
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static const XFBSourceBase* const* GetVirtualXFBSource(u32 xfbAddr, u32 fbWidth, u32 fbHeight, u32* xfbCount);
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static XFBSourceBase *m_realXFBSource; // Only used in Real XFB mode
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static VirtualXFBListType m_virtualXFBList; // Only used in Virtual XFB mode
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static const XFBSourceBase* m_overlappingXFBArray[MAX_VIRTUAL_XFB];
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static unsigned int s_last_xfb_width;
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static unsigned int s_last_xfb_height;
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};
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extern FramebufferManagerBase *g_framebuffer_manager;
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