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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 | ||
908e426c | 21 | #ifndef __GPU_UNAI_GPU_RASTER_SPRITE_H__ |
22 | #define __GPU_UNAI_GPU_RASTER_SPRITE_H__ | |
23 | ||
86aad47b | 24 | /////////////////////////////////////////////////////////////////////////////// |
25 | // GPU internal sprite drawing functions | |
26 | ||
030d1121 | 27 | void gpuDrawS(PtrUnion packet, const PS gpuSpriteSpanDriver) |
86aad47b | 28 | { |
030d1121 | 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: | |
4949d4ff PC |
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]); | |
030d1121 | 37 | |
4949d4ff PC |
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 | |
030d1121 | 40 | x1 = x0 + w; |
41 | y1 = y0 + h; | |
42 | ||
43 | s32 xmin, xmax, ymin, ymax; | |
44 | xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2]; | |
45 | ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3]; | |
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 | ||
62 | gpu_unai.r5 = packet.U1[0] >> 3; | |
63 | gpu_unai.g5 = packet.U1[1] >> 3; | |
64 | gpu_unai.b5 = packet.U1[2] >> 3; | |
65 | ||
4949d4ff | 66 | le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)]; |
030d1121 | 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; | |
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++; | |
86aad47b | 83 | } |
84 | } | |
85 | ||
b3db9409 | 86 | #ifdef __arm__ |
87 | #include "gpu_arm.h" | |
88 | ||
030d1121 | 89 | /* Notaz 4bit sprites optimization */ |
90 | void gpuDrawS16(PtrUnion packet) | |
b3db9409 | 91 | { |
92 | s32 x0, y0; | |
93 | s32 u0, v0; | |
94 | s32 xmin, xmax; | |
95 | s32 ymin, ymax; | |
96 | u32 h = 16; | |
97 | ||
030d1121 | 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: | |
4949d4ff PC |
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]); | |
b3db9409 | 103 | |
030d1121 | 104 | xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2]; |
105 | ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3]; | |
106 | u0 = packet.U1[8]; | |
107 | v0 = packet.U1[9]; | |
b3db9409 | 108 | |
109 | if (x0 > xmax - 16 || x0 < xmin || | |
030d1121 | 110 | ((u0 | v0) & 15) || !(gpu_unai.TextureWindow[2] & gpu_unai.TextureWindow[3] & 8)) { |
b3db9409 | 111 | // send corner cases to general handler |
4949d4ff | 112 | packet.U4[3] = u32_to_le32(0x00100010); |
030d1121 | 113 | gpuDrawS(packet, gpuSpriteSpanFn<0x20>); |
b3db9409 | 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 | ||
030d1121 | 127 | draw_spr16_full(&gpu_unai.vram[FRAME_OFFSET(x0, y0)], &gpu_unai.TBA[FRAME_OFFSET(u0/4, v0)], gpu_unai.CBA, h); |
b3db9409 | 128 | } |
129 | #endif // __arm__ | |
130 | ||
030d1121 | 131 | void gpuDrawT(PtrUnion packet, const PT gpuTileSpanDriver) |
86aad47b | 132 | { |
030d1121 | 133 | s32 x0, x1, y0, y1; |
134 | ||
135 | // This now matches behavior of Mednafen and PCSX Rearmed's gpu_neon: | |
4949d4ff PC |
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]); | |
030d1121 | 138 | |
4949d4ff PC |
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 | |
030d1121 | 141 | x1 = x0 + w; |
142 | y1 = y0 + h; | |
143 | ||
144 | s32 xmin, xmax, ymin, ymax; | |
145 | xmin = gpu_unai.DrawingArea[0]; xmax = gpu_unai.DrawingArea[2]; | |
146 | ymin = gpu_unai.DrawingArea[1]; ymax = gpu_unai.DrawingArea[3]; | |
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 | ||
4949d4ff PC |
157 | const u16 Data = GPU_RGB16(le32_to_u32(packet.U4[0])); |
158 | le16_t *Pixel = &gpu_unai.vram[FRAME_OFFSET(x0, y0)]; | |
030d1121 | 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); | |
162 | ||
163 | for (; y0<y1; ++y0) { | |
164 | if (!(y0&li) && (y0&pi)!=pif) | |
165 | gpuTileSpanDriver(Pixel,x1,Data); | |
166 | Pixel += FRAME_WIDTH; | |
86aad47b | 167 | } |
168 | } | |
908e426c | 169 | |
170 | #endif /* __GPU_UNAI_GPU_RASTER_SPRITE_H__ */ |