diff options
Diffstat (limited to 'plugins/gpu_unai/gpu_inner_light.h')
| -rw-r--r-- | plugins/gpu_unai/gpu_inner_light.h | 293 |
1 files changed, 241 insertions, 52 deletions
diff --git a/plugins/gpu_unai/gpu_inner_light.h b/plugins/gpu_unai/gpu_inner_light.h index d291418..b041dc3 100644 --- a/plugins/gpu_unai/gpu_inner_light.h +++ b/plugins/gpu_unai/gpu_inner_light.h @@ -1,5 +1,5 @@ /*************************************************************************** -* Copyright (C) 2010 PCSX4ALL Team * +* Copyright (C) 2016 PCSX4ALL Team * * Copyright (C) 2010 Unai * * * * This program is free software; you can redistribute it and/or modify * @@ -23,60 +23,249 @@ // GPU color operations for lighting calculations -#ifdef __arm__ -#define gpuLightingRGB(uSrc,lCol) \ -{ \ - u32 cb,cg; \ - asm ("and %[cb], %[lCol], #0x7C00/32 \n" \ - "and %[cg], %[lCol], #0x03E0*2048 \n" \ - "mov %[res], %[lCol], lsr #27\n" \ - "orr %[res], %[res], %[cb], lsl #5 \n" \ - "orr %[res], %[res], %[cg], lsr #11\n" \ - : [res] "=&r" (uSrc), [cb] "=&r" (cb), [cg] "=&r" (cg) \ - : [lCol] "r" (lCol)); \ +static void SetupLightLUT() +{ + // 1024-entry lookup table that modulates 5-bit texture + 5-bit light value. + // A light value of 15 does not modify the incoming texture color. + // LightLUT[32*32] array is initialized to following values: + // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + // 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, + // 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, + // 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, + // 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, + // 0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, 9,10,10,10,11,11, + // 0, 0, 0, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 9,10,10,10,11,11,12,12,13,13, + // 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15, + // 0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 6, 7, 7, 8, 9, 9,10,10,11,11,12,12,13,14,14,15,15,16,16,17, + // 0, 0, 1, 1, 2, 3, 3, 4, 5, 5, 6, 6, 7, 8, 8, 9,10,10,11,11,12,13,13,14,15,15,16,16,17,18,18,19, + // 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9,10,11,11,12,13,13,14,15,15,16,17,17,18,19,19,20,21, + // 0, 0, 1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 9,10,11,12,12,13,14,15,15,16,17,18,18,19,20,21,21,22,23, + // 0, 0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 9,10,11,12,13,13,14,15,16,17,17,18,19,20,21,21,22,23,24,25, + // 0, 0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9,10,11,12,13,14,14,15,16,17,18,19,20,21,21,22,23,24,25,26,27, + // 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29, + // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, + // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,31, + // 0, 1, 2, 3, 4, 5, 6, 7, 9,10,11,12,13,14,15,16,18,19,20,21,22,23,24,25,27,28,29,30,31,31,31,31, + // 0, 1, 2, 3, 4, 5, 7, 8, 9,10,11,13,14,15,16,17,19,20,21,22,23,24,26,27,28,29,30,31,31,31,31,31, + // 0, 1, 2, 3, 5, 6, 7, 8,10,11,12,13,15,16,17,18,20,21,22,23,25,26,27,28,30,31,31,31,31,31,31,31, + // 0, 1, 2, 3, 5, 6, 7, 9,10,11,13,14,15,17,18,19,21,22,23,24,26,27,28,30,31,31,31,31,31,31,31,31, + // 0, 1, 2, 4, 5, 6, 8, 9,11,12,13,15,16,17,19,20,22,23,24,26,27,28,30,31,31,31,31,31,31,31,31,31, + // 0, 1, 2, 4, 5, 7, 8,10,11,12,14,15,17,18,20,21,23,24,25,27,28,30,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 4, 6, 7, 9,10,12,13,15,16,18,19,21,22,24,25,27,28,30,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 4, 6, 7, 9,10,12,14,15,17,18,20,21,23,25,26,28,29,31,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 4, 6, 8, 9,11,13,14,16,17,19,21,22,24,26,27,29,30,31,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 5, 6, 8,10,11,13,15,16,18,20,21,23,25,27,28,30,31,31,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 5, 7, 8,10,12,14,15,17,19,21,22,24,26,28,29,31,31,31,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 5, 7, 9,10,12,14,16,18,19,21,23,25,27,29,30,31,31,31,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 5, 7, 9,11,13,15,16,18,20,22,24,26,28,30,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31, + // 0, 1, 3, 5, 7, 9,11,13,15,17,19,21,23,25,27,29,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 + + for (int j=0; j < 32; ++j) { + for (int i=0; i < 32; ++i) { + int val = i * j / 16; + if (val > 31) val = 31; + gpu_unai.LightLUT[(j*32) + i] = val; + } + } +} + + +//////////////////////////////////////////////////////////////////////////////// +// Create packed Gouraud fixed-pt 8.3:8.3:8.2 rgb triplet +// +// INPUT: +// 'r','g','b' are 8.10 fixed-pt color components (r shown here) +// 'r' input: --------------rrrrrrrrXXXXXXXXXX +// ^ bit 31 +// RETURNS: +// u32 output: rrrrrrrrXXXggggggggXXXbbbbbbbbXX +// ^ bit 31 +// Where 'r,g,b' are integer bits of colors, 'X' fixed-pt, and '-' don't care +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u32 gpuPackGouraudCol(u32 r, u32 g, u32 b) +{ + return ((u32)(b>> 8)&(0x03ff )) + | ((u32)(g<< 3)&(0x07ff<<10)) + | ((u32)(r<<14)&(0x07ff<<21)); +} + + +//////////////////////////////////////////////////////////////////////////////// +// Create packed increment for Gouraud fixed-pt 8.3:8.3:8.2 rgb triplet +// +// INPUT: +// Sign-extended 8.10 fixed-pt r,g,b color increment values (only dr is shown) +// 'dr' input: ssssssssssssssrrrrrrrrXXXXXXXXXX +// ^ bit 31 +// RETURNS: +// u32 output: rrrrrrrrXXXggggggggXXXbbbbbbbbXX +// ^ bit 31 +// Where 'r,g,b' are integer bits of colors, 'X' fixed-pt, and 's' sign bits +// +// NOTE: The correctness of this code/method has not been fully verified, +// having been merely factored out from original code in +// poly-drawing functions. Feel free to check/improve it -senquack +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u32 gpuPackGouraudColInc(s32 dr, s32 dg, s32 db) +{ + u32 dr_tmp = (u32)(dr << 14)&(0xffffffff<<21); if (dr < 0) dr_tmp += 1<<21; + u32 dg_tmp = (u32)(dg << 3)&(0xffffffff<<10); if (dg < 0) dg_tmp += 1<<10; + u32 db_tmp = (u32)(db >> 8)&(0xffffffff ); if (db < 0) db_tmp += 1<< 0; + return db_tmp + dg_tmp + dr_tmp; } -#else -#define gpuLightingRGB(uSrc,lCol) uSrc=((lCol<<5)&0x7C00) | ((lCol>>11)&0x3E0) | (lCol>>27) -#endif -INLINE void gpuLightingTXT(u16 &uSrc, u32 &lCol) + +//////////////////////////////////////////////////////////////////////////////// +// Extract bgr555 color from Gouraud u32 fixed-pt 8.3:8.3:8.2 rgb triplet +// +// INPUT: +// 'gCol' input: rrrrrrrrXXXggggggggXXXbbbbbbbbXX +// ^ bit 31 +// RETURNS: +// u16 output: 0bbbbbgggggrrrrr +// ^ bit 16 +// Where 'r,g,b' are integer bits of colors, 'X' fixed-pt, and '0' zero +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u16 gpuLightingRGB(u32 gCol) +{ + return ((gCol<< 5)&0x7C00) | + ((gCol>>11)&0x03E0) | + (gCol>>27); +} + + +//////////////////////////////////////////////////////////////////////////////// +// Convert packed Gouraud u32 fixed-pt 8.3:8.3:8.2 rgb triplet in 'gCol' +// to padded u32 5.4:5.4:5.4 bgr fixed-pt triplet, suitable for use +// with HQ 24-bit lighting/quantization. +// +// INPUT: +// 'gCol' input: rrrrrrrrXXXggggggggXXXbbbbbbbbXX +// ^ bit 31 +// RETURNS: +// u32 output: 000bbbbbXXXX0gggggXXXX0rrrrrXXXX +// ^ bit 31 +// Where 'X' are fixed-pt bits, '0' zero-padding, and '-' is don't care +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u32 gpuLightingRGB24(u32 gCol) +{ + return ((gCol<<19) & (0x1FF<<20)) | + ((gCol>> 2) & (0x1FF<<10)) | + (gCol>>23); +} + + +//////////////////////////////////////////////////////////////////////////////// +// Apply fast (low-precision) 5-bit lighting to bgr555 texture color: +// +// INPUT: +// 'r5','g5','b5' are unsigned 5-bit color values, value of 15 +// is midpoint that doesn't modify that component of texture +// 'uSrc' input: -bbbbbgggggrrrrr +// ^ bit 16 +// RETURNS: +// u16 output: 0bbbbbgggggrrrrr +// Where 'X' are fixed-pt bits, '0' is zero-padding, and '-' is don't care +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u16 gpuLightingTXT(u16 uSrc, u8 r5, u8 g5, u8 b5) { - // Pixelops Table - static const u8 _gpuLitT[32*32] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, - 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, - 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, - 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, - 0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, 9,10,10,10,11,11, - 0, 0, 0, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 9,10,10,10,11,11,12,12,13,13, - 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15, - 0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 6, 7, 7, 8, 9, 9,10,10,11,11,12,12,13,14,14,15,15,16,16,17, - 0, 0, 1, 1, 2, 3, 3, 4, 5, 5, 6, 6, 7, 8, 8, 9,10,10,11,11,12,13,13,14,15,15,16,16,17,18,18,19, - 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9,10,11,11,12,13,13,14,15,15,16,17,17,18,19,19,20,21, - 0, 0, 1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 9,10,11,12,12,13,14,15,15,16,17,18,18,19,20,21,21,22,23, - 0, 0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 9,10,11,12,13,13,14,15,16,17,17,18,19,20,21,21,22,23,24,25, - 0, 0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9,10,11,12,13,14,14,15,16,17,18,19,20,21,21,22,23,24,25,26,27, - 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,31, - 0, 1, 2, 3, 4, 5, 6, 7, 9,10,11,12,13,14,15,16,18,19,20,21,22,23,24,25,27,28,29,30,31,31,31,31, - 0, 1, 2, 3, 4, 5, 7, 8, 9,10,11,13,14,15,16,17,19,20,21,22,23,24,26,27,28,29,30,31,31,31,31,31, - 0, 1, 2, 3, 5, 6, 7, 8,10,11,12,13,15,16,17,18,20,21,22,23,25,26,27,28,30,31,31,31,31,31,31,31, - 0, 1, 2, 3, 5, 6, 7, 9,10,11,13,14,15,17,18,19,21,22,23,24,26,27,28,30,31,31,31,31,31,31,31,31, - 0, 1, 2, 4, 5, 6, 8, 9,11,12,13,15,16,17,19,20,22,23,24,26,27,28,30,31,31,31,31,31,31,31,31,31, - 0, 1, 2, 4, 5, 7, 8,10,11,12,14,15,17,18,20,21,23,24,25,27,28,30,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 4, 6, 7, 9,10,12,13,15,16,18,19,21,22,24,25,27,28,30,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 4, 6, 7, 9,10,12,14,15,17,18,20,21,23,25,26,28,29,31,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 4, 6, 8, 9,11,13,14,16,17,19,21,22,24,26,27,29,30,31,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 5, 6, 8,10,11,13,15,16,18,20,21,23,25,27,28,30,31,31,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 5, 7, 8,10,12,14,15,17,19,21,22,24,26,28,29,31,31,31,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 5, 7, 9,10,12,14,16,18,19,21,23,25,27,29,30,31,31,31,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 5, 7, 9,11,13,15,16,18,20,22,24,26,28,30,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31, - 0, 1, 3, 5, 7, 9,11,13,15,17,19,21,23,25,27,29,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 - }; - uSrc = (_gpuLitT[((uSrc&0x7C00)>>5)|((lCol>>5)&0x1f)]<<10)|(_gpuLitT[(uSrc&0x03E0)|((lCol>>16)&0x1f)]<<5)|(_gpuLitT[((uSrc&0x001F)<<5)|(lCol>>27)]); + return (gpu_unai.LightLUT[((uSrc&0x7C00)>>5) | b5] << 10) | + (gpu_unai.LightLUT[ (uSrc&0x03E0) | g5] << 5) | + (gpu_unai.LightLUT[((uSrc&0x001F)<<5) | r5] ); +} + + +//////////////////////////////////////////////////////////////////////////////// +// Apply fast (low-precision) 5-bit Gouraud lighting to bgr555 texture color: +// +// INPUT: +// 'gCol' is a packed Gouraud u32 fixed-pt 8.3:8.3:8.2 rgb triplet, value of +// 15.0 is midpoint that does not modify color of texture +// gCol input : rrrrrXXXXXXgggggXXXXXXbbbbbXXXXX +// ^ bit 31 +// 'uSrc' input: -bbbbbgggggrrrrr +// ^ bit 16 +// RETURNS: +// u16 output: 0bbbbbgggggrrrrr +// Where 'X' are fixed-pt bits, '0' is zero-padding, and '-' is don't care +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u16 gpuLightingTXTGouraud(u16 uSrc, u32 gCol) +{ + return (gpu_unai.LightLUT[((uSrc&0x7C00)>>5) | ((gCol>> 5)&0x1F)]<<10) | + (gpu_unai.LightLUT[ (uSrc&0x03E0) | ((gCol>>16)&0x1F)]<< 5) | + (gpu_unai.LightLUT[((uSrc&0x001F)<<5) | (gCol>>27) ] ); +} + + +//////////////////////////////////////////////////////////////////////////////// +// Apply high-precision 8-bit lighting to bgr555 texture color, +// returning a padded u32 5.4:5.4:5.4 bgr fixed-pt triplet +// suitable for use with HQ 24-bit lighting/quantization. +// +// INPUT: +// 'r8','g8','b8' are unsigned 8-bit color component values, value of +// 127 is midpoint that doesn't modify that component of texture +// +// uSrc input: -bbbbbgggggrrrrr +// ^ bit 16 +// RETURNS: +// u32 output: 000bbbbbXXXX0gggggXXXX0rrrrrXXXX +// ^ bit 31 +// Where 'X' are fixed-pt bits, '0' is zero-padding, and '-' is don't care +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u32 gpuLightingTXT24(u16 uSrc, u8 r8, u8 g8, u8 b8) +{ + u16 r1 = uSrc&0x001F; + u16 g1 = uSrc&0x03E0; + u16 b1 = uSrc&0x7C00; + + u16 r2 = r8; + u16 g2 = g8; + u16 b2 = b8; + + u32 r3 = r1 * r2; if (r3 & 0xFFFFF000) r3 = ~0xFFFFF000; + u32 g3 = g1 * g2; if (g3 & 0xFFFE0000) g3 = ~0xFFFE0000; + u32 b3 = b1 * b2; if (b3 & 0xFFC00000) b3 = ~0xFFC00000; + + return ((r3>> 3) ) | + ((g3>> 8)<<10) | + ((b3>>13)<<20); +} + + +//////////////////////////////////////////////////////////////////////////////// +// Apply high-precision 8-bit lighting to bgr555 texture color in 'uSrc', +// returning a padded u32 5.4:5.4:5.4 bgr fixed-pt triplet +// suitable for use with HQ 24-bit lighting/quantization. +// +// INPUT: +// 'uSrc' input: -bbbbbgggggrrrrr +// ^ bit 16 +// 'gCol' input: rrrrrrrrXXXggggggggXXXbbbbbbbbXX +// ^ bit 31 +// RETURNS: +// u32 output: 000bbbbbXXXX0gggggXXXX0rrrrrXXXX +// ^ bit 31 +// Where 'X' are fixed-pt bits, '0' is zero-padding, and '-' is don't care +//////////////////////////////////////////////////////////////////////////////// +GPU_INLINE u32 gpuLightingTXT24Gouraud(u16 uSrc, u32 gCol) +{ + u16 r1 = uSrc&0x001F; + u16 g1 = uSrc&0x03E0; + u16 b1 = uSrc&0x7C00; + + u16 r2 = (gCol>>24) & 0xFF; + u16 g2 = (gCol>>13) & 0xFF; + u16 b2 = (gCol>> 2) & 0xFF; + + u32 r3 = r1 * r2; if (r3 & 0xFFFFF000) r3 = ~0xFFFFF000; + u32 g3 = g1 * g2; if (g3 & 0xFFFE0000) g3 = ~0xFFFE0000; + u32 b3 = b1 * b2; if (b3 & 0xFFC00000) b3 = ~0xFFC00000; + + return ((r3>> 3) ) | + ((g3>> 8)<<10) | + ((b3>>13)<<20); } #endif //_OP_LIGHT_H_ |