| 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 | #define gpuBlending00(uSrc,uDst) \ |
| 27 | { \ |
| 28 | asm ("and %[src], %[src], %[msk] " : [src] "=r" (uSrc) : "0" (uSrc), [msk] "r" (uMsk) ); \ |
| 29 | asm ("and %[dst], %[dst], %[msk] " : [dst] "=r" (uDst) : "0" (uDst), [msk] "r" (uMsk) ); \ |
| 30 | asm ("add %[src], %[dst], %[src] " : [src] "=r" (uSrc) : [dst] "r" (uDst), "0" (uSrc) ); \ |
| 31 | asm ("mov %[src], %[src], lsr #1 " : [src] "=r" (uSrc) : "0" (uSrc) ); \ |
| 32 | } |
| 33 | |
| 34 | // 1.0 x Back + 1.0 x Forward |
| 35 | #define gpuBlending01(uSrc,uDst) \ |
| 36 | { \ |
| 37 | u16 st,dt,out; \ |
| 38 | asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 39 | asm ("and %[st], %[src], #0x7C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 40 | asm ("add %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) ); \ |
| 41 | asm ("cmp %[out], #0x7C00 " : : [out] "r" (out) : "cc" ); \ |
| 42 | asm ("movhi %[out], #0x7C00 " : [out] "=r" (out) : "0" (out) ); \ |
| 43 | asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 44 | asm ("and %[st], %[src], #0x03E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 45 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 46 | asm ("cmp %[dt], #0x03E0 " : : [dt] "r" (dt) : "cc" ); \ |
| 47 | asm ("movhi %[dt], #0x03E0 " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 48 | asm ("orr %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 49 | asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 50 | asm ("and %[st], %[src], #0x001F " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 51 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 52 | asm ("cmp %[dt], #0x001F " : : [dt] "r" (dt) : "cc" ); \ |
| 53 | asm ("movhi %[dt], #0x001F " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 54 | asm ("orr %[uSrc], %[out], %[dt] " : [uSrc] "=r" (uSrc) : [out] "r" (out), [dt] "r" (dt) ); \ |
| 55 | } |
| 56 | |
| 57 | // 1.0 x Back - 1.0 x Forward */ |
| 58 | #define gpuBlending02(uSrc,uDst) \ |
| 59 | { \ |
| 60 | u16 st,dt,out; \ |
| 61 | asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 62 | asm ("and %[st], %[src], #0x7C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 63 | asm ("subs %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) : "cc" ); \ |
| 64 | asm ("movmi %[out], #0x0000 " : [out] "=r" (out) : "0" (out) ); \ |
| 65 | asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 66 | asm ("and %[st], %[src], #0x03E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 67 | asm ("subs %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) : "cc" ); \ |
| 68 | asm ("orrpl %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 69 | asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 70 | asm ("and %[st], %[src], #0x001F " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 71 | asm ("subs %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) : "cc" ); \ |
| 72 | asm ("orrpl %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 73 | asm ("mov %[uSrc], %[out]" : [uSrc] "=r" (uSrc) : [out] "r" (out) ); \ |
| 74 | } |
| 75 | |
| 76 | // 1.0 x Back + 0.25 x Forward */ |
| 77 | #define gpuBlending03(uSrc,uDst) \ |
| 78 | { \ |
| 79 | u16 st,dt,out; \ |
| 80 | asm ("mov %[src], %[src], lsr #2 " : [src] "=r" (uSrc) : "0" (uSrc) ); \ |
| 81 | asm ("and %[dt], %[dst], #0x7C00 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 82 | asm ("and %[st], %[src], #0x1C00 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 83 | asm ("add %[out], %[dt], %[st] " : [out] "=r" (out) : [dt] "r" (dt), [st] "r" (st) ); \ |
| 84 | asm ("cmp %[out], #0x7C00 " : : [out] "r" (out) : "cc" ); \ |
| 85 | asm ("movhi %[out], #0x7C00 " : [out] "=r" (out) : "0" (out) ); \ |
| 86 | asm ("and %[dt], %[dst], #0x03E0 " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 87 | asm ("and %[st], %[src], #0x00E0 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 88 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 89 | asm ("cmp %[dt], #0x03E0 " : : [dt] "r" (dt) : "cc" ); \ |
| 90 | asm ("movhi %[dt], #0x03E0 " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 91 | asm ("orr %[out], %[out], %[dt] " : [out] "=r" (out) : "0" (out), [dt] "r" (dt) ); \ |
| 92 | asm ("and %[dt], %[dst], #0x001F " : [dt] "=r" (dt) : [dst] "r" (uDst) ); \ |
| 93 | asm ("and %[st], %[src], #0x0007 " : [st] "=r" (st) : [src] "r" (uSrc) ); \ |
| 94 | asm ("add %[dt], %[dt], %[st] " : [dt] "=r" (dt) : "0" (dt), [st] "r" (st) ); \ |
| 95 | asm ("cmp %[dt], #0x001F " : : [dt] "r" (dt) : "cc" ); \ |
| 96 | asm ("movhi %[dt], #0x001F " : [dt] "=r" (dt) : "0" (dt) ); \ |
| 97 | asm ("orr %[uSrc], %[out], %[dt] " : [uSrc] "=r" (uSrc) : [out] "r" (out), [dt] "r" (dt) ); \ |
| 98 | } |
| 99 | |
| 100 | #endif //_OP_BLEND_H_ |