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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 | #ifdef __arm__ |
27 | #define gpuBlending00(uSrc,uDst) \ |
28 | { \ |
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29 | asm ("and %[src], %[src], %[msk]\n" \ |
30 | "and %[dst], %[dst], %[msk]\n" \ |
31 | "add %[src], %[dst], %[src]\n" \ |
32 | "mov %[src], %[src], lsr #1\n" \ |
33 | : [src] "=&r" (uSrc), [dst] "=&r" (uDst) : "0" (uSrc), "1" (uDst), [msk] "r" (uMsk)); \ |
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34 | } |
35 | #else |
36 | #define gpuBlending00(uSrc,uDst) \ |
37 | { \ |
38 | uSrc = (((uDst & uMsk) + (uSrc & uMsk)) >> 1); \ |
39 | } |
40 | #endif |
41 | |
42 | // 1.0 x Back + 1.0 x Forward |
43 | #ifdef __arm__ |
44 | #define gpuBlending01(uSrc,uDst) \ |
45 | { \ |
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46 | u32 st,dt,out; \ |
47 | asm ("and %[dt], %[dst], #0x7C00\n" \ |
48 | "and %[st], %[src], #0x7C00\n" \ |
49 | "add %[out], %[dt], %[st] \n" \ |
50 | "cmp %[out], #0x7C00 \n" \ |
51 | "movhi %[out], #0x7C00 \n" \ |
52 | "and %[dt], %[dst], #0x03E0\n" \ |
53 | "and %[st], %[src], #0x03E0\n" \ |
54 | "add %[dt], %[dt], %[st] \n" \ |
55 | "cmp %[dt], #0x03E0 \n" \ |
56 | "movhi %[dt], #0x03E0 \n" \ |
57 | "orr %[out], %[out], %[dt] \n" \ |
58 | "and %[dt], %[dst], #0x001F\n" \ |
59 | "and %[st], %[src], #0x001F\n" \ |
60 | "add %[dt], %[dt], %[st] \n" \ |
61 | "cmp %[dt], #0x001F \n" \ |
62 | "movhi %[dt], #0x001F \n" \ |
63 | "orr %[src], %[out], %[dt] \n" \ |
64 | : [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \ |
65 | : [dst] "r" (uDst), "0" (uSrc) : "cc"); \ |
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66 | } |
67 | #else |
68 | #define gpuBlending01(uSrc,uDst) \ |
69 | { \ |
70 | u16 rr, gg, bb; \ |
71 | bb = (uDst & 0x7C00) + (uSrc & 0x7C00); if (bb > 0x7C00) bb = 0x7C00; \ |
72 | gg = (uDst & 0x03E0) + (uSrc & 0x03E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \ |
73 | rr = (uDst & 0x001F) + (uSrc & 0x001F); if (rr > 0x001F) rr = 0x001F; bb |= rr; \ |
74 | uSrc = bb; \ |
75 | } |
76 | #endif |
77 | |
78 | // 1.0 x Back - 1.0 x Forward */ |
79 | #ifdef __arm__ |
80 | #define gpuBlending02(uSrc,uDst) \ |
81 | { \ |
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82 | u32 st,dt,out; \ |
83 | asm ("and %[dt], %[dst], #0x7C00\n" \ |
84 | "and %[st], %[src], #0x7C00\n" \ |
85 | "subs %[out], %[dt], %[st] \n" \ |
86 | "movmi %[out], #0x0000 \n" \ |
87 | "and %[dt], %[dst], #0x03E0\n" \ |
88 | "and %[st], %[src], #0x03E0\n" \ |
89 | "subs %[dt], %[dt], %[st] \n" \ |
90 | "orrpl %[out], %[out], %[dt] \n" \ |
91 | "and %[dt], %[dst], #0x001F\n" \ |
92 | "and %[st], %[src], #0x001F\n" \ |
93 | "subs %[dt], %[dt], %[st] \n" \ |
94 | "orrpl %[out], %[out], %[dt] \n" \ |
95 | "mov %[src], %[out] \n" \ |
96 | : [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \ |
97 | : [dst] "r" (uDst), "0" (uSrc) : "cc"); \ |
98 | } |
99 | |
100 | int btest(int s, int d) |
101 | { |
102 | gpuBlending02(s, d); |
103 | return s; |
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104 | } |
105 | #else |
106 | #define gpuBlending02(uSrc,uDst) \ |
107 | { \ |
108 | s32 rr, gg, bb; \ |
109 | bb = (uDst & 0x7C00) - (uSrc & 0x7C00); if (bb < 0) bb = 0; \ |
110 | gg = (uDst & 0x03E0) - (uSrc & 0x03E0); if (gg > 0) bb |= gg; \ |
111 | rr = (uDst & 0x001F) - (uSrc & 0x001F); if (rr > 0) bb |= rr; \ |
112 | uSrc = bb; \ |
113 | } |
114 | #endif |
115 | |
116 | // 1.0 x Back + 0.25 x Forward */ |
117 | #ifdef __arm__ |
118 | #define gpuBlending03(uSrc,uDst) \ |
119 | { \ |
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120 | u32 st,dt,out; \ |
121 | asm ("mov %[src], %[src], lsr #2 \n" \ |
122 | "and %[dt], %[dst], #0x7C00\n" \ |
123 | "and %[st], %[src], #0x1C00\n" \ |
124 | "add %[out], %[dt], %[st] \n" \ |
125 | "cmp %[out], #0x7C00 \n" \ |
126 | "movhi %[out], #0x7C00 \n" \ |
127 | "and %[dt], %[dst], #0x03E0\n" \ |
128 | "and %[st], %[src], #0x00E0\n" \ |
129 | "add %[dt], %[dt], %[st] \n" \ |
130 | "cmp %[dt], #0x03E0 \n" \ |
131 | "movhi %[dt], #0x03E0 \n" \ |
132 | "orr %[out], %[out], %[dt] \n" \ |
133 | "and %[dt], %[dst], #0x001F\n" \ |
134 | "and %[st], %[src], #0x0007\n" \ |
135 | "add %[dt], %[dt], %[st] \n" \ |
136 | "cmp %[dt], #0x001F \n" \ |
137 | "movhi %[dt], #0x001F \n" \ |
138 | "orr %[src], %[out], %[dt] \n" \ |
139 | : [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \ |
140 | : [dst] "r" (uDst), "0" (uSrc) : "cc"); \ |
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141 | } |
142 | #else |
143 | #define gpuBlending03(uSrc,uDst) \ |
144 | { \ |
145 | u16 rr, gg, bb; \ |
146 | uSrc >>= 2; \ |
147 | bb = (uDst & 0x7C00) + (uSrc & 0x1C00); if (bb > 0x7C00) bb = 0x7C00; \ |
148 | gg = (uDst & 0x03E0) + (uSrc & 0x00E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \ |
149 | rr = (uDst & 0x001F) + (uSrc & 0x0007); if (rr > 0x001F) rr = 0x001F; bb |= rr; \ |
150 | uSrc = bb; \ |
151 | } |
152 | #endif |
153 | |
154 | #endif //_OP_BLEND_H_ |