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#ifndef _FRAMEBUFFERMANAGERBASE_H
#define _FRAMEBUFFERMANAGERBASE_H
#include <list>
#include "VideoCommon.h"
inline bool addrRangesOverlap(u32 aLower, u32 aUpper, u32 bLower, u32 bUpper)
{
return !((aLower >= bUpper) || (bLower >= aUpper));
}
struct XFBSourceBase
{
virtual ~XFBSourceBase() {}
// TODO: only DX9 uses the width/height params
virtual void Draw(const MathUtil::Rectangle<float> &sourcerc,
const MathUtil::Rectangle<float> &drawrc, int width, int height) const = 0;
virtual void DecodeToTexture(u32 xfbAddr, u32 fbWidth, u32 fbHeight) = 0;
virtual void CopyEFB(float Gamma) = 0;
u32 srcAddr;
u32 srcWidth;
u32 srcHeight;
unsigned int texWidth;
unsigned int texHeight;
// TODO: only used by OGL
TargetRectangle sourceRc;
};
class FramebufferManagerBase
{
public:
enum
{
// There may be multiple XFBs in GameCube RAM. This is the maximum number to
// virtualize.
MAX_VIRTUAL_XFB = 8
};
FramebufferManagerBase();
virtual ~FramebufferManagerBase();
static void CopyToXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,float Gamma);
static const XFBSourceBase* const* GetXFBSource(u32 xfbAddr, u32 fbWidth, u32 fbHeight, u32 &xfbCount);
protected:
struct VirtualXFB
{
VirtualXFB() : xfbSource(NULL) {}
// Address and size in GameCube RAM
u32 xfbAddr;
u32 xfbWidth;
u32 xfbHeight;
XFBSourceBase *xfbSource;
};
typedef std::list<VirtualXFB> VirtualXFBListType;
private:
virtual XFBSourceBase* CreateXFBSource(unsigned int target_width, unsigned int target_height) = 0;
// TODO: figure out why OGL is different for this guy
virtual void GetTargetSize(unsigned int *width, unsigned int *height, const EFBRectangle& sourceRc) = 0;
static VirtualXFBListType::iterator FindVirtualXFB(u32 xfbAddr, u32 width, u32 height);
static void ReplaceVirtualXFB();
// TODO: merge these virtual funcs, they are nearly all the same
virtual void CopyToRealXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,float Gamma = 1.0f) = 0;
static void CopyToVirtualXFB(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc,float Gamma = 1.0f);
static const XFBSourceBase* const* GetRealXFBSource(u32 xfbAddr, u32 fbWidth, u32 fbHeight, u32 &xfbCount);
static const XFBSourceBase* const* GetVirtualXFBSource(u32 xfbAddr, u32 fbWidth, u32 fbHeight, u32 &xfbCount);
static XFBSourceBase *m_realXFBSource; // Only used in Real XFB mode
static VirtualXFBListType m_virtualXFBList; // Only used in Virtual XFB mode
static const XFBSourceBase* m_overlappingXFBArray[MAX_VIRTUAL_XFB];
};
extern FramebufferManagerBase *g_framebuffer_manager;
#endif
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