| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2010 PCSX4ALL Team * |
| 3 | * Copyright (C) 2010 Unai * |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 2 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program; if not, write to the * |
| 17 | * Free Software Foundation, Inc., * |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 19 | ***************************************************************************/ |
| 20 | |
| 21 | #ifndef _OP_BLEND_H_ |
| 22 | #define _OP_BLEND_H_ |
| 23 | |
| 24 | // GPU Blending operations functions |
| 25 | |
| 26 | #ifdef __arm__ |
| 27 | #define gpuBlending00(uSrc,uDst) \ |
| 28 | { \ |
| 29 | asm ("and %[src], %[src], %[msk] " : [src] "=r" (uSrc) : "0" (uSrc), [msk] "r" (uMsk) ); \ |
| 30 | asm ("and %[dst], %[dst], %[msk] " : [dst] "=r" (uDst) : "0" (uDst), [msk] "r" (uMsk) ); \ |
| 31 | asm ("add %[src], %[dst], %[src] " : [src] "=r" (uSrc) : [dst] "r" (uDst), "0" (uSrc) ); \ |
| 32 | asm ("mov %[src], %[src], lsr #1 " : [src] "=r" (uSrc) : "0" (uSrc) ); \ |
| 33 | } |
| 34 | #else |
| 35 | #define gpuBlending00(uSrc,uDst) \ |
| 36 | { \ |
| 37 | uSrc = (((uDst & uMsk) + (uSrc & uMsk)) >> 1); \ |
| 38 | } |
| 39 | #endif |
| 40 | |
| 41 | // 1.0 x Back + 1.0 x Forward |
| 42 | #ifdef __arm__ |
| 43 | #define gpuBlending01(uSrc,uDst) \ |
| 44 | { \ |
| 45 | u16 st,dt,out; \ |
| 46 | asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 47 | asm ("and %[st], %[src], #0x7C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 48 | asm ("add %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) ); \ |
| 49 | asm ("cmp %[out], #0x7C00 " : : [out] "r" (out) : "cc" ); \ |
| 50 | asm ("movhi %[out], #0x7C00 " : [out] "=r" (out) : "0" (out) ); \ |
| 51 | asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 52 | asm ("and %[st], %[src], #0x03E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 53 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 54 | asm ("cmp %[dt], #0x03E0 " : : [dt] "r" (dt) : "cc" ); \ |
| 55 | asm ("movhi %[dt], #0x03E0 " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 56 | asm ("orr %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 57 | asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 58 | asm ("and %[st], %[src], #0x001F " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 59 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 60 | asm ("cmp %[dt], #0x001F " : : [dt] "r" (dt) : "cc" ); \ |
| 61 | asm ("movhi %[dt], #0x001F " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 62 | asm ("orr %[uSrc], %[out], %[dt] " : [uSrc] "=r" (uSrc) : [out] "r" (out), [dt] "r" (dt) ); \ |
| 63 | } |
| 64 | #else |
| 65 | #define gpuBlending01(uSrc,uDst) \ |
| 66 | { \ |
| 67 | u16 rr, gg, bb; \ |
| 68 | bb = (uDst & 0x7C00) + (uSrc & 0x7C00); if (bb > 0x7C00) bb = 0x7C00; \ |
| 69 | gg = (uDst & 0x03E0) + (uSrc & 0x03E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \ |
| 70 | rr = (uDst & 0x001F) + (uSrc & 0x001F); if (rr > 0x001F) rr = 0x001F; bb |= rr; \ |
| 71 | uSrc = bb; \ |
| 72 | } |
| 73 | #endif |
| 74 | |
| 75 | // 1.0 x Back - 1.0 x Forward */ |
| 76 | #ifdef __arm__ |
| 77 | #define gpuBlending02(uSrc,uDst) \ |
| 78 | { \ |
| 79 | u16 st,dt,out; \ |
| 80 | asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 81 | asm ("and %[st], %[src], #0x7C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 82 | asm ("subs %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) : "cc" ); \ |
| 83 | asm ("movmi %[out], #0x0000 " : [out] "=r" (out) : "0" (out) ); \ |
| 84 | asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 85 | asm ("and %[st], %[src], #0x03E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 86 | asm ("subs %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) : "cc" ); \ |
| 87 | asm ("orrpl %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 88 | asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 89 | asm ("and %[st], %[src], #0x001F " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 90 | asm ("subs %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) : "cc" ); \ |
| 91 | asm ("orrpl %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 92 | asm ("mov %[uSrc], %[out]" : [uSrc] "=r" (uSrc) : [out] "r" (out) ); \ |
| 93 | } |
| 94 | #else |
| 95 | #define gpuBlending02(uSrc,uDst) \ |
| 96 | { \ |
| 97 | s32 rr, gg, bb; \ |
| 98 | bb = (uDst & 0x7C00) - (uSrc & 0x7C00); if (bb < 0) bb = 0; \ |
| 99 | gg = (uDst & 0x03E0) - (uSrc & 0x03E0); if (gg > 0) bb |= gg; \ |
| 100 | rr = (uDst & 0x001F) - (uSrc & 0x001F); if (rr > 0) bb |= rr; \ |
| 101 | uSrc = bb; \ |
| 102 | } |
| 103 | #endif |
| 104 | |
| 105 | // 1.0 x Back + 0.25 x Forward */ |
| 106 | #ifdef __arm__ |
| 107 | #define gpuBlending03(uSrc,uDst) \ |
| 108 | { \ |
| 109 | u16 st,dt,out; \ |
| 110 | asm ("mov %[src], %[src], lsr #2 " : [src] "=r" (uSrc) : "0" (uSrc) ); \ |
| 111 | asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 112 | asm ("and %[st], %[src], #0x1C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 113 | asm ("add %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) ); \ |
| 114 | asm ("cmp %[out], #0x7C00 " : : [out] "r" (out) : "cc" ); \ |
| 115 | asm ("movhi %[out], #0x7C00 " : [out] "=r" (out) : "0" (out) ); \ |
| 116 | asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 117 | asm ("and %[st], %[src], #0x00E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 118 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 119 | asm ("cmp %[dt], #0x03E0 " : : [dt] "r" (dt) : "cc" ); \ |
| 120 | asm ("movhi %[dt], #0x03E0 " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 121 | asm ("orr %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 122 | asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 123 | asm ("and %[st], %[src], #0x0007 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 124 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 125 | asm ("cmp %[dt], #0x001F " : : [dt] "r" (dt) : "cc" ); \ |
| 126 | asm ("movhi %[dt], #0x001F " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 127 | asm ("orr %[uSrc], %[out], %[dt] " : [uSrc] "=r" (uSrc) : [out] "r" (out), [dt] "r" (dt) ); \ |
| 128 | } |
| 129 | #else |
| 130 | #define gpuBlending03(uSrc,uDst) \ |
| 131 | { \ |
| 132 | u16 rr, gg, bb; \ |
| 133 | uSrc >>= 2; \ |
| 134 | bb = (uDst & 0x7C00) + (uSrc & 0x1C00); if (bb > 0x7C00) bb = 0x7C00; \ |
| 135 | gg = (uDst & 0x03E0) + (uSrc & 0x00E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \ |
| 136 | rr = (uDst & 0x001F) + (uSrc & 0x0007); if (rr > 0x001F) rr = 0x001F; bb |= rr; \ |
| 137 | uSrc = bb; \ |
| 138 | } |
| 139 | #endif |
| 140 | |
| 141 | #endif //_OP_BLEND_H_ |