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#ifndef _VIDEO_RDPBLEND_H_
#define _VIDEO_RDPBLEND_H_
#include "emu.h"
namespace N64
{
namespace RDP
{
class OtherModes;
class MiscState;
class Processor;
class Color;
class Blender
{
public:
Blender()
{
m_blend_enable = false;
}
bool Blend2Cycle(UINT32* fr, UINT32* fg, UINT32* fb, int dith, int adseed, int partialreject, int bsel0, int bsel1);
bool Blend1Cycle(UINT32* fr, UINT32* fg, UINT32* fb, int dith, int adseed, int partialreject, int special_bsel);
void SetOtherModes(OtherModes* other_modes) { m_other_modes = other_modes; }
void SetMiscState(MiscState* misc_state) { m_misc_state = misc_state; }
void SetMachine(running_machine& machine) { m_machine = &machine; }
void SetProcessor(Processor* rdp) { m_rdp = rdp; }
void SetBlendEnable(bool enable) { m_blend_enable = enable; }
bool GetBlendEnable() { return m_blend_enable; }
void SetShiftA(INT32 shift) { m_shift_a = shift; }
void SetShiftB(INT32 shift) { m_shift_b = shift; }
running_machine &machine() const { assert(m_machine != NULL); return *m_machine; }
private:
running_machine* m_machine;
OtherModes* m_other_modes;
MiscState* m_misc_state;
Processor* m_rdp;
bool m_blend_enable;
INT32 m_shift_a;
INT32 m_shift_b;
void BlendEquationCycle0(INT32* r, INT32* g, INT32* b, int bsel_special);
void BlendEquationCycle1(INT32* r, INT32* g, INT32* b, int bsel_special);
bool AlphaCompare(UINT8 alpha);
void DitherRGB(INT32* r, INT32* g, INT32* b, int dith);
void DitherA(UINT8* a, int dith);
};
} // namespace RDP
} // namespace N64
#endif // _VIDEO_RDPBLEND_H_
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