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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 __GPU_UNAI_GPU_RASTER_SPRITE_H__ |
22 | #define __GPU_UNAI_GPU_RASTER_SPRITE_H__ |
23 | |
24 | /////////////////////////////////////////////////////////////////////////////// |
25 | // GPU internal sprite drawing functions |
26 | |
27 | void gpuDrawS(PtrUnion packet, const PS gpuSpriteSpanDriver) |
28 | { |
29 | s32 x0, x1, y0, y1; |
30 | u32 u0, v0; |
31 | |
32 | //NOTE: Must 11-bit sign-extend the whole sum here, not just packet X/Y, |
33 | // or sprites in 1st level of SkullMonkeys disappear when walking right. |
34 | // This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon: |
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35 | x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]); |
36 | y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]); |
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37 | |
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38 | u32 w = le16_to_u16(packet.U2[6]) & 0x3ff; // Max width is 1023 |
39 | u32 h = le16_to_u16(packet.U2[7]) & 0x1ff; // Max height is 511 |
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40 | x1 = x0 + w; |
41 | y1 = y0 + h; |
42 | |
43 | s32 xmin, xmax, ymin, ymax; |
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44 | xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2]; |
45 | ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3]; |
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46 | |
47 | u0 = packet.U1[8]; |
48 | v0 = packet.U1[9]; |
49 | |
50 | s32 temp; |
51 | temp = ymin - y0; |
52 | if (temp > 0) { y0 = ymin; v0 += temp; } |
53 | if (y1 > ymax) y1 = ymax; |
54 | if (y1 <= y0) return; |
55 | |
56 | temp = xmin - x0; |
57 | if (temp > 0) { x0 = xmin; u0 += temp; } |
58 | if (x1 > xmax) x1 = xmax; |
59 | x1 -= x0; |
60 | if (x1 <= 0) return; |
61 | |
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62 | gpu_unai.r5 = packet.U1[0] >> 3; |
63 | gpu_unai.g5 = packet.U1[1] >> 3; |
64 | gpu_unai.b5 = packet.U1[2] >> 3; |
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65 | |
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66 | le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)]; |
67 | const int li=gpu_unai.ilace_mask; |
68 | const int pi=(ProgressiveInterlaceEnabled()?(gpu_unai.ilace_mask+1):0); |
69 | const int pif=(ProgressiveInterlaceEnabled()?(gpu_unai.prog_ilace_flag?(gpu_unai.ilace_mask+1):0):1); |
70 | unsigned int tmode = gpu_unai.TEXT_MODE >> 5; |
71 | const u32 v0_mask = gpu_unai.TextureWindow[3]; |
72 | u8* pTxt_base = (u8*)gpu_unai.TBA; |
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73 | |
74 | // Texture is accessed byte-wise, so adjust idx if 16bpp |
75 | if (tmode == 3) u0 <<= 1; |
76 | |
77 | for (; y0<y1; ++y0) { |
78 | u8* pTxt = pTxt_base + ((v0 & v0_mask) * 2048); |
79 | if (!(y0&li) && (y0&pi)!=pif) |
80 | gpuSpriteSpanDriver(Pixel, x1, pTxt, u0); |
81 | Pixel += FRAME_WIDTH; |
82 | v0++; |
83 | } |
84 | } |
85 | |
86 | #ifdef __arm__ |
87 | #include "gpu_arm.h" |
88 | |
89 | /* Notaz 4bit sprites optimization */ |
90 | void gpuDrawS16(PtrUnion packet) |
91 | { |
92 | s32 x0, y0; |
93 | s32 u0, v0; |
94 | s32 xmin, xmax; |
95 | s32 ymin, ymax; |
96 | u32 h = 16; |
97 | |
98 | //NOTE: Must 11-bit sign-extend the whole sum here, not just packet X/Y, |
99 | // or sprites in 1st level of SkullMonkeys disappear when walking right. |
100 | // This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon: |
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101 | x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]); |
102 | y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]); |
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103 | |
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104 | xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2]; |
105 | ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3]; |
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106 | u0 = packet.U1[8]; |
107 | v0 = packet.U1[9]; |
108 | |
109 | if (x0 > xmax - 16 || x0 < xmin || |
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110 | ((u0 | v0) & 15) || !(gpu_unai.TextureWindow[2] & gpu_unai.TextureWindow[3] & 8)) { |
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111 | // send corner cases to general handler |
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112 | packet.U4[3] = u32_to_le32(0x00100010); |
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113 | gpuDrawS(packet, gpuSpriteSpanFn<0x20>); |
114 | return; |
115 | } |
116 | |
117 | if (y0 >= ymax || y0 <= ymin - 16) |
118 | return; |
119 | if (y0 < ymin) { |
120 | h -= ymin - y0; |
121 | v0 += ymin - y0; |
122 | y0 = ymin; |
123 | } |
124 | else if (ymax - y0 < 16) |
125 | h = ymax - y0; |
126 | |
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127 | draw_spr16_full(&gpu_unai.vram[FRAME_OFFSET(x0, y0)], &gpu_unai.TBA[FRAME_OFFSET(u0/4, v0)], gpu_unai.CBA, h); |
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128 | } |
129 | #endif // __arm__ |
130 | |
131 | void gpuDrawT(PtrUnion packet, const PT gpuTileSpanDriver) |
132 | { |
133 | s32 x0, x1, y0, y1; |
134 | |
135 | // This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon: |
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136 | x0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[2]) + gpu_unai.DrawingOffset[0]); |
137 | y0 = GPU_EXPANDSIGN(le16_to_s16(packet.U2[3]) + gpu_unai.DrawingOffset[1]); |
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138 | |
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139 | u32 w = le16_to_u16(packet.U2[4]) & 0x3ff; // Max width is 1023 |
140 | u32 h = le16_to_u16(packet.U2[5]) & 0x1ff; // Max height is 511 |
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141 | x1 = x0 + w; |
142 | y1 = y0 + h; |
143 | |
144 | s32 xmin, xmax, ymin, ymax; |
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145 | xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2]; |
146 | ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3]; |
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147 | |
148 | if (y0 < ymin) y0 = ymin; |
149 | if (y1 > ymax) y1 = ymax; |
150 | if (y1 <= y0) return; |
151 | |
152 | if (x0 < xmin) x0 = xmin; |
153 | if (x1 > xmax) x1 = xmax; |
154 | x1 -= x0; |
155 | if (x1 <= 0) return; |
156 | |
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157 | const u16 Data = GPU_RGB16(le32_to_u32(packet.U4[0])); |
158 | le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)]; |
159 | const int li=gpu_unai.ilace_mask; |
160 | const int pi=(ProgressiveInterlaceEnabled()?(gpu_unai.ilace_mask+1):0); |
161 | const int pif=(ProgressiveInterlaceEnabled()?(gpu_unai.prog_ilace_flag?(gpu_unai.ilace_mask+1):0):1); |
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162 | |
163 | for (; y0<y1; ++y0) { |
164 | if (!(y0&li) && (y0&pi)!=pif) |
165 | gpuTileSpanDriver(Pixel,x1,Data); |
166 | Pixel += FRAME_WIDTH; |
167 | } |
168 | } |
169 | |
170 | #endif /* __GPU_UNAI_GPU_RASTER_SPRITE_H__ */ |