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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]\n" \ |
29 | "and %[dst], %[dst], %[msk]\n" \ |
30 | "add %[src], %[dst], %[src]\n" \ |
31 | "mov %[src], %[src], lsr #1\n" \ |
32 | : [src] "=&r" (uSrc), [dst] "=&r" (uDst) : "0" (uSrc), "1" (uDst), [msk] "r" (uMsk)); \ |
33 | } |
34 | |
35 | // 1.0 x Back + 1.0 x Forward |
36 | #define gpuBlending01(uSrc,uDst) \ |
37 | { \ |
38 | u32 st,dt,out; \ |
39 | asm ("and %[dt], %[dst], #0x7C00\n" \ |
40 | "and %[st], %[src], #0x7C00\n" \ |
41 | "add %[out], %[dt], %[st] \n" \ |
42 | "cmp %[out], #0x7C00 \n" \ |
43 | "movhi %[out], #0x7C00 \n" \ |
44 | "and %[dt], %[dst], #0x03E0\n" \ |
45 | "and %[st], %[src], #0x03E0\n" \ |
46 | "add %[dt], %[dt], %[st] \n" \ |
47 | "cmp %[dt], #0x03E0 \n" \ |
48 | "movhi %[dt], #0x03E0 \n" \ |
49 | "orr %[out], %[out], %[dt] \n" \ |
50 | "and %[dt], %[dst], #0x001F\n" \ |
51 | "and %[st], %[src], #0x001F\n" \ |
52 | "add %[dt], %[dt], %[st] \n" \ |
53 | "cmp %[dt], #0x001F \n" \ |
54 | "movhi %[dt], #0x001F \n" \ |
55 | "orr %[src], %[out], %[dt] \n" \ |
56 | : [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \ |
57 | : [dst] "r" (uDst), "0" (uSrc) : "cc"); \ |
58 | } |
59 | |
60 | // 1.0 x Back - 1.0 x Forward */ |
61 | #define gpuBlending02(uSrc,uDst) \ |
62 | { \ |
63 | u32 st,dt,out; \ |
64 | asm ("and %[dt], %[dst], #0x7C00\n" \ |
65 | "and %[st], %[src], #0x7C00\n" \ |
66 | "subs %[out], %[dt], %[st] \n" \ |
67 | "movmi %[out], #0x0000 \n" \ |
68 | "and %[dt], %[dst], #0x03E0\n" \ |
69 | "and %[st], %[src], #0x03E0\n" \ |
70 | "subs %[dt], %[dt], %[st] \n" \ |
71 | "orrpl %[out], %[out], %[dt] \n" \ |
72 | "and %[dt], %[dst], #0x001F\n" \ |
73 | "and %[st], %[src], #0x001F\n" \ |
74 | "subs %[dt], %[dt], %[st] \n" \ |
75 | "orrpl %[out], %[out], %[dt] \n" \ |
76 | "mov %[src], %[out] \n" \ |
77 | : [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \ |
78 | : [dst] "r" (uDst), "0" (uSrc) : "cc"); \ |
79 | } |
80 | |
81 | // 1.0 x Back + 0.25 x Forward */ |
82 | #define gpuBlending03(uSrc,uDst) \ |
83 | { \ |
84 | u32 st,dt,out; \ |
85 | asm ("mov %[src], %[src], lsr #2 \n" \ |
86 | "and %[dt], %[dst], #0x7C00\n" \ |
87 | "and %[st], %[src], #0x1C00\n" \ |
88 | "add %[out], %[dt], %[st] \n" \ |
89 | "cmp %[out], #0x7C00 \n" \ |
90 | "movhi %[out], #0x7C00 \n" \ |
91 | "and %[dt], %[dst], #0x03E0\n" \ |
92 | "and %[st], %[src], #0x00E0\n" \ |
93 | "add %[dt], %[dt], %[st] \n" \ |
94 | "cmp %[dt], #0x03E0 \n" \ |
95 | "movhi %[dt], #0x03E0 \n" \ |
96 | "orr %[out], %[out], %[dt] \n" \ |
97 | "and %[dt], %[dst], #0x001F\n" \ |
98 | "and %[st], %[src], #0x0007\n" \ |
99 | "add %[dt], %[dt], %[st] \n" \ |
100 | "cmp %[dt], #0x001F \n" \ |
101 | "movhi %[dt], #0x001F \n" \ |
102 | "orr %[src], %[out], %[dt] \n" \ |
103 | : [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \ |
104 | : [dst] "r" (uDst), "0" (uSrc) : "cc"); \ |
105 | } |
106 | |
107 | #endif //_OP_BLEND_H_ |