mirror of
https://github.com/blawar/GLideN64.git
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220 lines
8.6 KiB
C
220 lines
8.6 KiB
C
#ifndef S2DEX_H
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#define S2DEX_H
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#define G_BGLT_LOADBLOCK 0x0033
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#define G_BGLT_LOADTILE 0xfff4
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#define G_BG_FLAG_FLIPS 0x01
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#define G_BG_FLAG_FLIPT 0x10
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struct uObjScaleBg
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{
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u16 imageW; /* Texture width (8-byte alignment, u10.2) */
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u16 imageX; /* x-coordinate of upper-left
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position of texture (u10.5) */
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u16 frameW; /* Transfer destination frame width (u10.2) */
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s16 frameX; /* x-coordinate of upper-left
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position of transfer destination frame (s10.2) */
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u16 imageH; /* Texture height (u10.2) */
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u16 imageY; /* y-coordinate of upper-left position of
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texture (u10.5) */
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u16 frameH; /* Transfer destination frame height (u10.2) */
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s16 frameY; /* y-coordinate of upper-left position of transfer
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destination frame (s10.2) */
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u32 imagePtr; /* Address of texture source in DRAM*/
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u8 imageSiz; /* Texel size
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G_IM_SIZ_4b (4 bits/texel)
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G_IM_SIZ_8b (8 bits/texel)
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G_IM_SIZ_16b (16 bits/texel)
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G_IM_SIZ_32b (32 bits/texel) */
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u8 imageFmt; /*Texel format
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G_IM_FMT_RGBA (RGBA format)
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G_IM_FMT_YUV (YUV format)
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G_IM_FMT_CI (CI format)
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G_IM_FMT_IA (IA format)
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G_IM_FMT_I (I format) */
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u16 imageLoad; /* Method for loading the BG image texture
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G_BGLT_LOADBLOCK (use LoadBlock)
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G_BGLT_LOADTILE (use LoadTile) */
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u16 imageFlip; /* Image inversion on/off (horizontal
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direction only)
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0 (normal display (no inversion))
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G_BG_FLAG_FLIPS (horizontal inversion of texture image) */
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u16 imagePal; /* Position of palette for 4-bit color
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index texture (4-bit precision, 0~15) */
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u16 scaleH; /* y-direction scale value (u5.10) */
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u16 scaleW; /* x-direction scale value (u5.10) */
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s32 imageYorig; /* image drawing origin (s20.5)*/
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u8 padding[4]; /* Padding */
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}; /* 40 bytes */
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struct uObjBg
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{
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u16 imageW; /* Texture width (8-byte alignment, u10.2) */
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u16 imageX; /* x-coordinate of upper-left position of texture (u10.5) */
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u16 frameW; /* Transfer destination frame width (u10.2) */
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s16 frameX; /* x-coordinate of upper-left position of
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transfer destination frame (s10.2) */
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u16 imageH; /* Texture height (u10.2) */
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u16 imageY; /* y-coordinate of upper-left position of
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texture (u10.5) */
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u16 frameH; /* Transfer destination frame height (u10.2) */
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s16 frameY; /* y-coordinate of upper-left position of
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transfer destination frame (s10.2) */
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u32 imagePtr; /* Address of texture source in DRAM*/
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u8 imageSiz; /* Texel size
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G_IM_SIZ_4b (4 bits/texel)
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G_IM_SIZ_8b (8 bits/texel)
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G_IM_SIZ_16b (16 bits/texel)
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G_IM_SIZ_32b (32 bits/texel) */
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u8 imageFmt; /*Texel format
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G_IM_FMT_RGBA (RGBA format)
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G_IM_FMT_YUV (YUV format)
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G_IM_FMT_CI (CI format)
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G_IM_FMT_IA (IA format)
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G_IM_FMT_I (I format) */
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u16 imageLoad; /* Method for loading the BG image texture
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G_BGLT_LOADBLOCK (use LoadBlock)
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G_BGLT_LOADTILE (use LoadTile) */
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u16 imageFlip; /* Image inversion on/off (horizontal direction only)
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0 (normal display (no inversion))
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G_BG_FLAG_FLIPS (horizontal inversion of
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texture image) */
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u16 imagePal; /* Position of palette for 4-bit color
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index texture (4-bit precision, 0~15) */
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/* The following is set in the initialization routine guS2DInitBg */
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u16 tmemH; /* TMEM height for a single load (quadruple
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value, s13.2) */
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u16 tmemW; /* TMEM width for one frame line (word size) */
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u16 tmemLoadTH; /* TH value or Stride value */
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u16 tmemLoadSH; /* SH value */
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u16 tmemSize; /* imagePtr skip value for a single load */
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u16 tmemSizeW; /* imagePtr skip value for one image line */
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}; /* 40 bytes */
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struct uObjSprite
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{
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u16 scaleW; /* Width-direction scaling (u5.10) */
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s16 objX; /* x-coordinate of upper-left corner of OBJ (s10.2) */
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u16 paddingX; /* Unused (always 0) */
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u16 imageW; /* Texture width (length in s direction, u10.5) */
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u16 scaleH; /* Height-direction scaling (u5.10) */
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s16 objY; /* y-coordinate of upper-left corner of OBJ (s10.2) */
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u16 paddingY; /* Unused (always 0) */
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u16 imageH; /* Texture height (length in t direction, u10.5) */
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u16 imageAdrs; /* Texture starting position in TMEM (In units of 64-bit words) */
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u16 imageStride; /* Texel wrapping width (In units of 64-bit words) */
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u8 imageFlags; /* Display flag
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(*) More than one of the following flags can be specified as the bit sum of the flags:
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0 (Normal display (no inversion))
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G_OBJ_FLAG_FLIPS (s-direction (x) inversion)
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G_OBJ_FLAG_FLIPT (t-direction (y) inversion) */
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u8 imagePal; /* Position of palette for 4-bit color index texture (4-bit precision, 0~7) */
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u8 imageSiz; /* Texel size
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G_IM_SIZ_4b (4 bits/texel)
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G_IM_SIZ_8b (8 bits/texel)
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G_IM_SIZ_16b (16 bits/texel)
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G_IM_SIZ_32b (32 bits/texel) */
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u8 imageFmt; /* Texel format
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G_IM_FMT_RGBA (RGBA format)
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G_IM_FMT_YUV (YUV format)
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G_IM_FMT_CI (CI format)
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G_IM_FMT_IA (IA format)
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G_IM_FMT_I (I format) */
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}; /* 24 bytes */
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struct uObjTxtrBlock
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{
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u32 type; /* Structure identifier (G_OBJLT_TXTRBLOCK) */
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u32 image; /* Texture source address in DRAM (8-byte alignment) */
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u16 tsize; /* Texture size (specified by GS_TB_TSIZE) */
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u16 tmem; /* TMEM word address where texture will be loaded (8-byte word) */
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u16 sid; /* Status ID (multiple of 4: either 0, 4, 8, or 12) */
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u16 tline; /* Texture line width (specified by GS_TB_TLINE) */
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u32 flag; /* Status flag */
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u32 mask; /* Status mask */
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}; /* 24 bytes */
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struct uObjTxtrTile
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{
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u32 type; /* Structure identifier (G_OBJLT_TXTRTILE) */
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u32 image; /* Texture source address in DRAM (8-byte alignment) */
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u16 twidth; /* Texture width (specified by GS_TT_TWIDTH) */
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u16 tmem; /* TMEM word address where texture will be loaded (8-byte word) */
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u16 sid; /* Status ID (multiple of 4: either 0, 4, 8, or 12) */
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u16 theight;/* Texture height (specified by GS_TT_THEIGHT) */
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u32 flag; /* Status flag */
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u32 mask; /* Status mask */
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}; /* 24 bytes */
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struct uObjTxtrTLUT
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{
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u32 type; /* Structure identifier (G_OBJLT_TLUT) */
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u32 image; /* Texture source address in DRAM */
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u16 pnum; /* Number of palettes to load - 1 */
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u16 phead; /* Palette position at start of load (256~511) */
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u16 sid; /* Status ID (multiple of 4: either 0, 4, 8, or 12) */
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u16 zero; /* Always assign 0 */
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u32 flag; /* Status flag */
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u32 mask; /* Status mask */
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}; /* 24 bytes */
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typedef union
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{
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uObjTxtrBlock block;
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uObjTxtrTile tile;
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uObjTxtrTLUT tlut;
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} uObjTxtr;
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struct uObjTxSprite
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{
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uObjTxtr txtr;
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uObjSprite sprite;
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};
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struct uObjMtx
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{
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s32 A, B, C, D; /* s15.16 */
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s16 Y, X; /* s10.2 */
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u16 BaseScaleY; /* u5.10 */
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u16 BaseScaleX; /* u5.10 */
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};
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void S2DEX_BG_1Cyc( u32 w0, u32 w1 );
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void S2DEX_BG_Copy( u32 w0, u32 w1 );
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void S2DEX_Obj_Rectangle( u32 w0, u32 w1 );
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void S2DEX_Obj_Sprite( u32 w0, u32 w1 );
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void S2DEX_Obj_MoveMem( u32 w0, u32 w1 );
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void S2DEX_Select_DL( u32 w0, u32 w1 );
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void S2DEX_Obj_RenderMode( u32 w0, u32 w1 );
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void S2DEX_Obj_Rectangle_R( u32 w0, u32 w1 );
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void S2DEX_Obj_LoadTxtr( u32 w0, u32 w1 );
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void S2DEX_Obj_LdTx_Sprite( u32 w0, u32 w1 );
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void S2DEX_Obj_LdTx_Rect( u32 w0, u32 w1 );
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void S2DEX_Obj_LdTx_Rect_R( u32 w0, u32 w1 );
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void S2DEX_Init();
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#define S2DEX_BG_1CYC 0x01
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#define S2DEX_BG_COPY 0x02
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#define S2DEX_OBJ_RECTANGLE 0x03
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#define S2DEX_OBJ_SPRITE 0x04
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#define S2DEX_OBJ_MOVEMEM 0x05
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#define S2DEX_LOAD_UCODE 0xAF
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#define S2DEX_SELECT_DL 0xB0
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#define S2DEX_OBJ_RENDERMODE 0xB1
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#define S2DEX_OBJ_RECTANGLE_R 0xB2
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#define S2DEX_OBJ_LOADTXTR 0xC1
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#define S2DEX_OBJ_LDTX_SPRITE 0xC2
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#define S2DEX_OBJ_LDTX_RECT 0xC3
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#define S2DEX_OBJ_LDTX_RECT_R 0xC4
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#define S2DEX_RDPHALF_0 0xE4
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#endif
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