mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-01 16:35:16 +01:00
198 lines
5.0 KiB
C
198 lines
5.0 KiB
C
/*****************************************************************************\
|
|
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
|
|
This file is licensed under the Snes9x License.
|
|
For further information, consult the LICENSE file in the root directory.
|
|
\*****************************************************************************/
|
|
|
|
|
|
#ifndef _GFX_H_
|
|
#define _GFX_H_
|
|
|
|
struct SGFX
|
|
{
|
|
uint16 *Screen;
|
|
uint16 *SubScreen;
|
|
uint8 *ZBuffer;
|
|
uint8 *SubZBuffer;
|
|
uint32 Pitch;
|
|
uint32 ScreenSize;
|
|
uint16 *S;
|
|
uint8 *DB;
|
|
uint16 *X2;
|
|
uint16 *ZERO;
|
|
uint32 RealPPL; // true PPL of Screen buffer
|
|
uint32 PPL; // number of pixels on each of Screen buffer
|
|
uint32 LinesPerTile; // number of lines in 1 tile (4 or 8 due to interlace)
|
|
uint16 *ScreenColors; // screen colors for rendering main
|
|
uint16 *RealScreenColors; // screen colors, ignoring color window clipping
|
|
uint8 Z1; // depth for comparison
|
|
uint8 Z2; // depth to save
|
|
uint32 FixedColour;
|
|
uint8 DoInterlace;
|
|
uint8 InterlaceFrame;
|
|
uint32 StartY;
|
|
uint32 EndY;
|
|
bool8 ClipColors;
|
|
uint8 OBJWidths[128];
|
|
uint8 OBJVisibleTiles[128];
|
|
|
|
struct ClipData *Clip;
|
|
|
|
struct
|
|
{
|
|
uint8 RTOFlags;
|
|
int16 Tiles;
|
|
|
|
struct
|
|
{
|
|
int8 Sprite;
|
|
uint8 Line;
|
|
} OBJ[32];
|
|
} OBJLines[SNES_HEIGHT_EXTENDED];
|
|
|
|
#ifdef GFX_MULTI_FORMAT
|
|
uint32 PixelFormat;
|
|
uint32 (*BuildPixel) (uint32, uint32, uint32);
|
|
uint32 (*BuildPixel2) (uint32, uint32, uint32);
|
|
void (*DecomposePixel) (uint32, uint32 &, uint32 &, uint32 &);
|
|
#endif
|
|
|
|
void (*DrawBackdropMath) (uint32, uint32, uint32);
|
|
void (*DrawBackdropNomath) (uint32, uint32, uint32);
|
|
void (*DrawTileMath) (uint32, uint32, uint32, uint32);
|
|
void (*DrawTileNomath) (uint32, uint32, uint32, uint32);
|
|
void (*DrawClippedTileMath) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
void (*DrawClippedTileNomath) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
void (*DrawMosaicPixelMath) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
void (*DrawMosaicPixelNomath) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
void (*DrawMode7BG1Math) (uint32, uint32, int);
|
|
void (*DrawMode7BG1Nomath) (uint32, uint32, int);
|
|
void (*DrawMode7BG2Math) (uint32, uint32, int);
|
|
void (*DrawMode7BG2Nomath) (uint32, uint32, int);
|
|
|
|
const char *InfoString;
|
|
uint32 InfoStringTimeout;
|
|
char FrameDisplayString[256];
|
|
};
|
|
|
|
struct SBG
|
|
{
|
|
uint8 (*ConvertTile) (uint8 *, uint32, uint32);
|
|
uint8 (*ConvertTileFlip) (uint8 *, uint32, uint32);
|
|
|
|
uint32 TileSizeH;
|
|
uint32 TileSizeV;
|
|
uint32 OffsetSizeH;
|
|
uint32 OffsetSizeV;
|
|
uint32 TileShift;
|
|
uint32 TileAddress;
|
|
uint32 NameSelect;
|
|
uint32 SCBase;
|
|
|
|
uint32 StartPalette;
|
|
uint32 PaletteShift;
|
|
uint32 PaletteMask;
|
|
uint8 EnableMath;
|
|
uint8 InterlaceLine;
|
|
|
|
uint8 *Buffer;
|
|
uint8 *BufferFlip;
|
|
uint8 *Buffered;
|
|
uint8 *BufferedFlip;
|
|
bool8 DirectColourMode;
|
|
};
|
|
|
|
struct SLineData
|
|
{
|
|
struct
|
|
{
|
|
uint16 VOffset;
|
|
uint16 HOffset;
|
|
} BG[4];
|
|
};
|
|
|
|
struct SLineMatrixData
|
|
{
|
|
short MatrixA;
|
|
short MatrixB;
|
|
short MatrixC;
|
|
short MatrixD;
|
|
short CentreX;
|
|
short CentreY;
|
|
short M7HOFS;
|
|
short M7VOFS;
|
|
};
|
|
|
|
extern uint16 BlackColourMap[256];
|
|
extern uint16 DirectColourMaps[8][256];
|
|
extern uint8 mul_brightness[16][32];
|
|
extern struct SBG BG;
|
|
extern struct SGFX GFX;
|
|
|
|
#define H_FLIP 0x4000
|
|
#define V_FLIP 0x8000
|
|
#define BLANK_TILE 2
|
|
|
|
#define COLOR_ADD1_2(C1, C2) \
|
|
((((((C1) & RGB_REMOVE_LOW_BITS_MASK) + \
|
|
((C2) & RGB_REMOVE_LOW_BITS_MASK)) >> 1) + \
|
|
((C1) & (C2) & RGB_LOW_BITS_MASK)) | ALPHA_BITS_MASK)
|
|
|
|
#define COLOR_ADD(C1, C2) \
|
|
(GFX.X2[((((C1) & RGB_REMOVE_LOW_BITS_MASK) + \
|
|
((C2) & RGB_REMOVE_LOW_BITS_MASK)) >> 1) + \
|
|
((C1) & (C2) & RGB_LOW_BITS_MASK)] | \
|
|
(((C1) ^ (C2)) & RGB_LOW_BITS_MASK))
|
|
|
|
#define COLOR_SUB1_2(C1, C2) \
|
|
GFX.ZERO[(((C1) | RGB_HI_BITS_MASKx2) - \
|
|
((C2) & RGB_REMOVE_LOW_BITS_MASK)) >> 1]
|
|
|
|
inline uint16 COLOR_SUB (uint16 C1, uint16 C2)
|
|
{
|
|
uint16 mC1, mC2, v = ALPHA_BITS_MASK;
|
|
|
|
mC1 = C1 & FIRST_COLOR_MASK;
|
|
mC2 = C2 & FIRST_COLOR_MASK;
|
|
if (mC1 > mC2) v += (mC1 - mC2);
|
|
|
|
mC1 = C1 & SECOND_COLOR_MASK;
|
|
mC2 = C2 & SECOND_COLOR_MASK;
|
|
if (mC1 > mC2) v += (mC1 - mC2);
|
|
|
|
mC1 = C1 & THIRD_COLOR_MASK;
|
|
mC2 = C2 & THIRD_COLOR_MASK;
|
|
if (mC1 > mC2) v += (mC1 - mC2);
|
|
|
|
return (v);
|
|
}
|
|
|
|
void S9xStartScreenRefresh (void);
|
|
void S9xEndScreenRefresh (void);
|
|
void S9xUpdateScreen (void);
|
|
void S9xBuildDirectColourMaps (void);
|
|
void RenderLine (uint8);
|
|
void S9xComputeClipWindows (void);
|
|
void S9xDisplayChar (uint16 *, uint8);
|
|
void S9xGraphicsScreenResize (void);
|
|
// called automatically unless Settings.AutoDisplayMessages is false
|
|
void S9xDisplayMessages (uint16 *, int, int, int, int);
|
|
#ifdef GFX_MULTI_FORMAT
|
|
bool8 S9xSetRenderPixelFormat (int);
|
|
#endif
|
|
|
|
// external port interface which must be implemented or initialised for each port
|
|
bool8 S9xGraphicsInit (void);
|
|
void S9xGraphicsDeinit (void);
|
|
bool8 S9xInitUpdate (void);
|
|
bool8 S9xDeinitUpdate (int, int);
|
|
bool8 S9xContinueUpdate (int, int);
|
|
void S9xReRefresh (void);
|
|
void S9xSetPalette (void);
|
|
void S9xSyncSpeed (void);
|
|
|
|
// called instead of S9xDisplayString if set to non-NULL
|
|
extern void (*S9xCustomDisplayString) (const char *, int, int, bool);
|
|
|
|
#endif
|