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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 | /////////////////////////////////////////////////////////////////////////////// |
22 | // GPU internal sprite drawing functions |
23 | |
24 | /////////////////////////////////////////////////////////////////////////////// |
25 | void gpuDrawS(const PS gpuSpriteSpanDriver) |
26 | { |
27 | s32 x0, x1; |
28 | s32 y0, y1; |
29 | s32 u0; |
30 | s32 v0; |
31 | |
32 | x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0]; |
33 | y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1]; |
34 | x1+= PacketBuffer.S2[6]; |
35 | y1+= PacketBuffer.S2[7]; |
36 | |
37 | { |
38 | s32 xmin, xmax; |
39 | s32 ymin, ymax; |
40 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
41 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
42 | |
43 | { |
44 | int rx0 = Max2(xmin,Min2(x0,x1)); |
45 | int ry0 = Max2(ymin,Min2(y0,y1)); |
46 | int rx1 = Min2(xmax,Max2(x0,x1)); |
47 | int ry1 = Min2(ymax,Max2(y0,y1)); |
48 | if( rx0>=rx1 || ry0>=ry1) return; |
49 | } |
50 | |
51 | u0 = PacketBuffer.U1[8]; |
52 | v0 = PacketBuffer.U1[9]; |
53 | |
54 | r4 = s32(PacketBuffer.U1[0]); |
55 | g4 = s32(PacketBuffer.U1[1]); |
56 | b4 = s32(PacketBuffer.U1[2]); |
57 | |
58 | { |
59 | s32 temp; |
60 | temp = ymin - y0; |
61 | if (temp > 0) { y0 = ymin; v0 += temp; } |
62 | if (y1 > ymax) y1 = ymax; |
63 | if (y1 <= y0) return; |
64 | |
65 | temp = xmin - x0; |
66 | if (temp > 0) { x0 = xmin; u0 += temp; } |
67 | if (x1 > xmax) x1 = xmax; |
68 | x1 -= x0; |
69 | if (x1 <= 0) return; |
70 | } |
71 | } |
72 | |
73 | { |
74 | u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)]; |
75 | const int li=linesInterlace; |
76 | const u32 masku=TextureWindow[2]; |
77 | const u32 maskv=TextureWindow[3]; |
78 | |
79 | for (;y0<y1;++y0) { |
80 | if( 0 == (y0&li) ) gpuSpriteSpanDriver(Pixel,x1,FRAME_OFFSET(u0,v0),masku); |
81 | Pixel += FRAME_WIDTH; |
82 | v0 = (v0+1)&maskv; |
83 | } |
84 | } |
85 | } |
86 | |
b3db9409 |
87 | #ifdef __arm__ |
88 | #include "gpu_arm.h" |
89 | |
90 | void gpuDrawS16(void) |
91 | { |
92 | s32 x0, y0; |
93 | s32 u0, v0; |
94 | s32 xmin, xmax; |
95 | s32 ymin, ymax; |
96 | u32 h = 16; |
97 | |
98 | x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0]; |
99 | y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1]; |
100 | |
101 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
102 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
103 | u0 = PacketBuffer.U1[8]; |
104 | v0 = PacketBuffer.U1[9]; |
105 | |
106 | if (x0 > xmax - 16 || x0 < xmin || |
107 | ((u0 | v0) & 15) || !(TextureWindow[2] & TextureWindow[3] & 8)) { |
108 | // send corner cases to general handler |
109 | PacketBuffer.U4[3] = 0x00100010; |
110 | gpuDrawS(gpuSpriteSpanFn<0x20>); |
111 | return; |
112 | } |
113 | |
114 | if (y0 >= ymax || y0 <= ymin - 16) |
115 | return; |
116 | if (y0 < ymin) { |
117 | h -= ymin - y0; |
118 | v0 += ymin - y0; |
119 | y0 = ymin; |
120 | } |
121 | else if (ymax - y0 < 16) |
122 | h = ymax - y0; |
123 | |
124 | draw_spr16_full(&GPU_FrameBuffer[FRAME_OFFSET(x0, y0)], &TBA[FRAME_OFFSET(u0/4, v0)], CBA, h); |
125 | } |
126 | #endif // __arm__ |
127 | |
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128 | /////////////////////////////////////////////////////////////////////////////// |
129 | void gpuDrawT(const PT gpuTileSpanDriver) |
130 | { |
131 | s32 x0, y0; |
132 | s32 x1, y1; |
133 | |
134 | x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0]; |
135 | y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1]; |
136 | x1+= PacketBuffer.S2[4]; |
137 | y1+= PacketBuffer.S2[5]; |
138 | |
139 | { |
140 | s32 xmin, xmax; |
141 | s32 ymin, ymax; |
142 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
143 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
144 | |
145 | { |
146 | int rx0 = Max2(xmin,Min2(x0,x1)); |
147 | int ry0 = Max2(ymin,Min2(y0,y1)); |
148 | int rx1 = Min2(xmax,Max2(x0,x1)); |
149 | int ry1 = Min2(ymax,Max2(y0,y1)); |
150 | if(rx0>=rx1 || ry0>=ry1) return; |
151 | } |
152 | |
153 | if (y0 < ymin) y0 = ymin; |
154 | if (y1 > ymax) y1 = ymax; |
155 | if (y1 <= y0) return; |
156 | |
157 | if (x0 < xmin) x0 = xmin; |
158 | if (x1 > xmax) x1 = xmax; |
159 | x1 -= x0; |
160 | if (x1 <= 0) return; |
161 | } |
162 | |
163 | { |
164 | u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)]; |
165 | const u16 Data = GPU_RGB16(PacketBuffer.U4[0]); |
166 | const int li=linesInterlace; |
167 | |
168 | for (; y0<y1; ++y0) |
169 | { |
170 | if( 0 == (y0&li) ) gpuTileSpanDriver(Pixel,x1,Data); |
171 | Pixel += FRAME_WIDTH; |
172 | } |
173 | } |
174 | } |