/* ** $VER: cgx3dvirgin.h 2.6 (16.02.1998) ** ** include file for cgx3dvirgin.library ** ** Copyright © 1996-1998 by phase5 digital products ** All Rights reserved. ** */ #ifndef LIBRARIES_CGX3DVIRGIN_H #define LIBRARIES_CGX3DVIRGIN_H typedef APTR TexHandle; typedef APTR View3D; typedef struct { UBYTE a,r,g,b; } ARGB32; typedef union { LONG argbval; ARGB32 argb32; } ARGB; typedef struct { LONG x,y,z,u,v; ARGB color; } Point3D; typedef struct { Point3D p1,p2,p3; struct TexHandle *th; } Triangle3D; typedef struct { Point3D p1,p2; } Line3D; typedef struct { ULONG L3D_Z_BASE; // reserved, set by library ULONG L3D_DEST_BASE; // reserved, set by library ULONG L3D_CLIP_L_R; // reserved, set by library ULONG L3D_CLIP_T_B; // reserved, set by library ULONG L3D_DEST_STR; // reserved, set by library ULONG L3D_Z_STRIDE; // reserved, set by library ULONG L3D_FOG_CLR; // Fog color // This is the fog color blended with the pixel // color when bit 17 of the L3D_CMD_SET register // is set to 1. This operation is also called // depth cueing when the fog factor (source // alpha) corresponds to the distance from the // viewer ULONG L3D_CMD_SET; // 3D command register ULONG L3D_3dGdY_dBdY; // 3D line draw GB Delta ULONG L3D_3dAdY_dRdY; // 3D line draw AR Delta ULONG L3D_3GS_BS; // 3D line draw GB Start ULONG L3D_3AS_RS; // 3D line draw AR Start ULONG L3D_3dZ; // 3D line draw Z Delta ULONG L3D_3ZSTART; // 3D line draw Z Start ULONG L3D_3XEND0_END1; // 3D line draw Endpoints ULONG L3D_3dX; // 3D line draw X Delta ULONG L3D_3XSTART; // 3D line draw X Start ULONG L3D_3YSTART; // 3D line draw Y Start ULONG L3D_3YCNT; // 3D line draw Y Count } V3DLine; typedef struct { ULONG T3D_Z_BASE; // reserved, set by library ULONG T3D_DEST_BASE; // reserved, set by library ULONG T3D_CLIP_L_R; // reserved, set by library ULONG T3D_CLIP_T_B; // reserved, set by library ULONG T3D_DEST_SRC_STR; // reserved, set by library ULONG T3D_Z_STRIDE; // reserved, set by library ULONG T3D_TEX_BASE; // reserved, set by library ULONG T3D_TEX_BDR_CLR; // Texture border color // This is used as the texel color for lighting // when texture wrapping is not enabled and the // texture rectangle is too small to complete // the fill. This must be in the same format as // the texture colour ULONG T3D_FOG_CLR; // Fog color // This is the fog color blended with the pixel // color when bit 17 of the T3D_CMD_SET register // is set to 1. This operation is also called // depth cueing when the fog factor (source // alpha) corresponds to the distance from the // viewer ULONG T3D_COLOR0; // TexColor0 (Blend4 mode) // When using one of the Blend4 modes for texel // storage, this register specifies one of the // color limits used in the interpolation of the // texel color during the generate phase of // pixel coloring ULONG T3D_COLOR1; // TexColor1 (Blend4 mode) // When using one of the Blend4 modes for texel // storage, this register specifies one of the // color limits used in the interpolation of the // texel color during the generate phase of // pixel coloring ULONG T3D_CMD_SET; // 3D command register ULONG T3D_TBV; // reserved, set by library ULONG T3D_TBU; // reserved, set by library ULONG T3D_TdWdX; // Triangle WX Delta (S12.19) ULONG T3D_TdWdY; // Triangle WY Delta (S12.19) ULONG T3D_TWS; // Triangle W Start ULONG T3D_TdDdX; // Triangle DX Delta (S4.8.19) ULONG T3D_TdVdX; // Triangle VX Delta (S12.8.11 / S24.7) ULONG T3D_TdUdX; // Triangle UX Delta (S12.8.11 / S24.7) ULONG T3D_TdDdY; // Triangle DY Delta (S4.8.19) ULONG T3D_TdVdY; // Triangle VY Delta (S12.8.11 / S24.7) ULONG T3D_TdUdY; // Triangle UY Delta (S12.8.11 / S24.7) ULONG T3D_TDS; // Triangle D Start (S4.8.19) ULONG T3D_TVS; // Triangle V Start (S12.8.11 / S24.7) ULONG T3D_TUS; // Triangle U Start (S12.8.11 / S24.7) ULONG T3D_TdGdX_dBdX; // Triangle GBX Delta (S8.7) ULONG T3D_TdAdX_dRdX; // Triangle ARX Delta (S8.7) ULONG T3D_TdGdY_dBdY; // Triangle GBY Delta (S8.7) ULONG T3D_TdAdY_dRdY; // Triangle ARY Delta (S8.7) ULONG T3D_TGS_BS; // Triangle GB Start (S8.7) ULONG T3D_TAS_RS; // Triangle AR Start (S8.7) ULONG T3D_TdZdX; // Triangle ZX Delta (S16.15) ULONG T3D_TdZdY; // Triangle ZY Delta (S16.15) ULONG T3D_TZS; // Triangle Z Start (S16.15) ULONG T3D_TdXdY12; // Triangle XY12 (S11.20) ULONG T3D_TXEND12; // Triangle X12 End (S11.20) ULONG T3D_TdXdY01; // Triangle XY01 Delta (S11.20) ULONG T3D_TXEND01; // Triangle X01 End (S11.20) ULONG T3D_TdXdY02; // Triangle XY02 Delta (S11.20) ULONG T3D_TXS; // Triangle X Start (S11.20) ULONG T3D_TYS; // Triangle Y Start (S11.20) ULONG T3D_TY01_Y12; // Triangle Y Count } V3DTriangle; // // View3D tags // #define V3DVA_UseZBuffer 0x8aa00000 // zbuffer enable/disable #define V3DVA_Colors32 0x8aa00001 // color palette array #define V3DVA_UpdateZBuffer 0x8aa00002 // zbuffer update enable/disable #define V3DVA_ZBufCmpMode 0x8aa00003 // zbuffer compare mode #define V3DVA_ZBufInitVal 0x8aa00004 // zbuffer initial value // // zbuffer compare modes // #define ZBFCMP_NEVERPASS 0 // Z compare never passes #define ZBFCMP_zsGTzzb 1 // Z source larger than buffer Z #define ZBFCMP_zsEQzzb 2 // Z source equals buffer Z #define ZBFCMP_zsGEzzb 3 // Z source greater or equal #define ZBFCMP_zsLTzzb 4 // Z source less than buffer Z #define ZBFCMP_zsNEzzb 5 // Z source not equal buffer Z #define ZBFCMP_zsLEzzb 6 // Z source less or equal #define ZBFCMP_PASSALWAYS 7 // Z compare always passes // // TexHandle tags // #define V3DTHA_MapSize 0x8ab00000 // mipmap/texmap level size // // Value = s, where 2**s is // the size of one side of the // largest mipmap texture // rectangle. For example, a // value of 4 specifies the // largest mipmap as 2**4 x // 2**4 = 16 x 16 texels. The // largest allowable s value // is 9, which specifies a // 512 x 512 texel texture. #define V3DTHA_TexClrFmt 0x8ab00001 // texture color format #define V3DTHA_FilterMode 0x8ab00002 // texture filtering mode #define V3DTHA_TexWrap 0x8ab00003 // texture wrap on/off #define V3DTHA_LitTexture 0x8ab00004 // texture is lit #define V3DTHA_TexelMap 0x8ab00005 // pointer to texture map #define V3DTHA_AlphaBlend 0x8ab00006 // alpha blend mode // // alpha blend modes // #define ABLEND_USESOURCE -1 // use source alpha for blending #define ABLEND_NONE 0 // no alpha blending #define ABLEND_USETEXTURE 1 // use texture alpha // // texel color formats // #define TEXFMT_ARGB8888 0 // 32 bits/pixel #define TEXFMT_ARGB4444 1 // 16 bits/pixel #define TEXFMT_ARGB1555 2 // 16 bits/pixel #define TEXFMT_ALP4BLE4 3 // 8 bits/pixel (Alpha4, Blend4) #define TEXFMT_BLEND4LO 4 // 4 bits/pixel (Blend4, low nibble) #define TEXFMT_BLEND4HI 5 // 4 bits/pixel (Blend4, high nibble) #define TEXFMT_LUT8 6 // 8 bits/pixel (palettized) #define TEXFMT_YUYV16 7 // YU/YV 16 bits/pixel equivalent // // texture filtering modes // Only modes with no filtering (1TPP) can be used with 8 bits/pixel palettized // data. In addition, the texture blending mode must be decal. // #define FLTRMD_1TPP 4 // no filtering #define FLTRMD_V2TPP 5 // used for YU/UV video format #define FLTRMD_4TPP 6 // interpolate texel 1,2,3,4 // // texture blending modes // #define BLENDMD_COMPREF 0 // complex reflection // adds the (normalized, 0 = black and // 1 = white) texel and pixel colors, // with a maximum value of 1. This // lightens the pixel. // #define BLENDMD_MODULATE 1 // modulate // multiplies the normalized color // values. This results in a smaller // value (darker pixel). The programmer // may need to compensate for this // darkening effect. // #define BLENDMD_DECAL 2 // decal // replaces the source pixel color // with the textel color, essentially // overlaying the teture on the scene. // this is the only mode that can be // used with palettized data #define BLENDMD_SRCALPHA 4 // use source alpha value for blending // This mode is used in conjunction with // the other 3 blending modes. OR it // with the actual blending mode to // incorporate source pixel alpha value // into blending. #endif