86aad47b |
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 | |
87 | /////////////////////////////////////////////////////////////////////////////// |
88 | void gpuDrawT(const PT gpuTileSpanDriver) |
89 | { |
90 | s32 x0, y0; |
91 | s32 x1, y1; |
92 | |
93 | x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0]; |
94 | y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1]; |
95 | x1+= PacketBuffer.S2[4]; |
96 | y1+= PacketBuffer.S2[5]; |
97 | |
98 | { |
99 | s32 xmin, xmax; |
100 | s32 ymin, ymax; |
101 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
102 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
103 | |
104 | { |
105 | int rx0 = Max2(xmin,Min2(x0,x1)); |
106 | int ry0 = Max2(ymin,Min2(y0,y1)); |
107 | int rx1 = Min2(xmax,Max2(x0,x1)); |
108 | int ry1 = Min2(ymax,Max2(y0,y1)); |
109 | if(rx0>=rx1 || ry0>=ry1) return; |
110 | } |
111 | |
112 | if (y0 < ymin) y0 = ymin; |
113 | if (y1 > ymax) y1 = ymax; |
114 | if (y1 <= y0) return; |
115 | |
116 | if (x0 < xmin) x0 = xmin; |
117 | if (x1 > xmax) x1 = xmax; |
118 | x1 -= x0; |
119 | if (x1 <= 0) return; |
120 | } |
121 | |
122 | { |
123 | u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)]; |
124 | const u16 Data = GPU_RGB16(PacketBuffer.U4[0]); |
125 | const int li=linesInterlace; |
126 | |
127 | for (; y0<y1; ++y0) |
128 | { |
129 | if( 0 == (y0&li) ) gpuTileSpanDriver(Pixel,x1,Data); |
130 | Pixel += FRAME_WIDTH; |
131 | } |
132 | } |
133 | } |