diff options
Diffstat (limited to 'src/GPU2D.h')
-rw-r--r-- | src/GPU2D.h | 96 |
1 files changed, 58 insertions, 38 deletions
diff --git a/src/GPU2D.h b/src/GPU2D.h index 521adf0..0f59ae3 100644 --- a/src/GPU2D.h +++ b/src/GPU2D.h @@ -19,11 +19,14 @@ #ifndef GPU2D_H #define GPU2D_H +#include "types.h" +#include "Savestate.h" + class GPU2D { public: GPU2D(u32 num); - ~GPU2D(); + virtual ~GPU2D() {} void Reset(); @@ -31,7 +34,7 @@ public: void SetEnabled(bool enable) { Enabled = enable; } void SetFramebuffer(u32* buf); - void SetRenderSettings(bool accel); + virtual void SetRenderSettings(bool accel) = 0; u8 Read8(u32 addr); u16 Read16(u32 addr); @@ -52,36 +55,24 @@ public: void SampleFIFO(u32 offset, u32 num); - void DrawScanline(u32 line); - void DrawSprites(u32 line); + virtual void DrawScanline(u32 line) = 0; + virtual void DrawSprites(u32 line) = 0; void VBlank(); - void VBlankEnd(); + virtual void VBlankEnd(); void CheckWindows(u32 line); - void BGExtPalDirty(u32 base); - void OBJExtPalDirty(); - u16* GetBGExtPal(u32 slot, u32 pal); u16* GetOBJExtPal(); -private: + void GetBGVRAM(u8*& data, u32& mask); + void GetOBJVRAM(u8*& data, u32& mask); + +protected: u32 Num; bool Enabled; u32* Framebuffer; - bool Accelerated; - - u32 BGOBJLine[256*3] __attribute__((aligned (8))); - u32* _3DLine; - - u8 WindowMask[256] __attribute__((aligned (8))); - u32 OBJLine[256] __attribute__((aligned (8))); - u8 OBJWindow[256] __attribute__((aligned (8))); - u8 OBJIndex[256] __attribute__((aligned (8))); - - u32 NumSprites; - u16 DispFIFO[16]; u32 DispFIFOReadPtr; u32 DispFIFOWritePtr; @@ -114,32 +105,61 @@ private: u8 BGMosaicY, BGMosaicYMax; u8 OBJMosaicYCount, OBJMosaicY, OBJMosaicYMax; - u8 MosaicTable[16][256]; - u8* CurBGXMosaicTable; - u8* CurOBJXMosaicTable; - u16 BlendCnt; u16 BlendAlpha; u8 EVA, EVB; u8 EVY; + bool CaptureLatch; u32 CaptureCnt; u16 MasterBrightness; - u16 BGExtPalCache[4][16*256]; - u16 OBJExtPalCache[16*256]; - u32 BGExtPalStatus[4]; - u32 OBJExtPalStatus; + u8 WindowMask[256] __attribute__((aligned (8))); + u8 OBJWindow[256] __attribute__((aligned (8))); + + void UpdateMosaicCounters(u32 line); + void CalculateWindowMask(u32 line); + + virtual void MosaicXSizeChanged() = 0; +}; + +class GPU2D_Soft : public GPU2D +{ +public: + GPU2D_Soft(u32 num); + ~GPU2D_Soft() override {} + + void SetRenderSettings(bool accel) override; + + void DrawScanline(u32 line) override; + void DrawSprites(u32 line) override; + void VBlankEnd() override; + +protected: + void MosaicXSizeChanged() override; + +private: + bool Accelerated; + + u32 BGOBJLine[256*3] __attribute__((aligned (8))); + u32* _3DLine; + u32 OBJLine[256] __attribute__((aligned (8))); + u8 OBJIndex[256] __attribute__((aligned (8))); + + u32 NumSprites; + + u8 MosaicTable[16][256]; + u8* CurBGXMosaicTable; + u8* CurOBJXMosaicTable; + u32 ColorBlend4(u32 val1, u32 val2, u32 eva, u32 evb); u32 ColorBlend5(u32 val1, u32 val2); u32 ColorBrightnessUp(u32 val, u32 factor); u32 ColorBrightnessDown(u32 val, u32 factor); u32 ColorComposite(int i, u32 val1, u32 val2); - void UpdateMosaicCounters(u32 line); - template<u32 bgmode> void DrawScanlineBGMode(u32 line); void DrawScanlineBGMode6(u32 line); void DrawScanlineBGMode7(u32 line); @@ -147,22 +167,22 @@ private: static void DrawPixel_Normal(u32* dst, u16 color, u32 flag); static void DrawPixel_Accel(u32* dst, u16 color, u32 flag); - void (*DrawPixel)(u32* dst, u16 color, u32 flag); + + typedef void (*DrawPixel)(u32* dst, u16 color, u32 flag); void DrawBG_3D(); - template<bool mosaic> void DrawBG_Text(u32 line, u32 bgnum); - template<bool mosaic> void DrawBG_Affine(u32 line, u32 bgnum); - template<bool mosaic> void DrawBG_Extended(u32 line, u32 bgnum); - template<bool mosaic> void DrawBG_Large(u32 line); + template<bool mosaic, DrawPixel drawPixel> void DrawBG_Text(u32 line, u32 bgnum); + template<bool mosaic, DrawPixel drawPixel> void DrawBG_Affine(u32 line, u32 bgnum); + template<bool mosaic, DrawPixel drawPixel> void DrawBG_Extended(u32 line, u32 bgnum); + template<bool mosaic, DrawPixel drawPixel> void DrawBG_Large(u32 line); void ApplySpriteMosaicX(); + template<DrawPixel drawPixel> void InterleaveSprites(u32 prio); template<bool window> void DrawSprite_Rotscale(u32 num, u32 boundwidth, u32 boundheight, u32 width, u32 height, s32 xpos, s32 ypos); template<bool window> void DrawSprite_Normal(u32 num, u32 width, u32 height, s32 xpos, s32 ypos); void DoCapture(u32 line, u32 width); - - void CalculateWindowMask(u32 line); }; #endif |