| 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: |
| 35 | x0 = GPU_EXPANDSIGN(packet.S2[2] + gpu_senquack.DrawingOffset[0]); |
| 36 | y0 = GPU_EXPANDSIGN(packet.S2[3] + gpu_senquack.DrawingOffset[1]); |
| 37 | |
| 38 | u32 w = packet.U2[6] & 0x3ff; // Max width is 1023 |
| 39 | u32 h = packet.U2[7] & 0x1ff; // Max height is 511 |
| 40 | x1 = x0 + w; |
| 41 | y1 = y0 + h; |
| 42 | |
| 43 | s32 xmin, xmax, ymin, ymax; |
| 44 | xmin = gpu_senquack.DrawingArea[0]; xmax = gpu_senquack.DrawingArea[2]; |
| 45 | ymin = gpu_senquack.DrawingArea[1]; ymax = gpu_senquack.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_senquack.r5 = packet.U1[0] >> 3; |
| 63 | gpu_senquack.g5 = packet.U1[1] >> 3; |
| 64 | gpu_senquack.b5 = packet.U1[2] >> 3; |
| 65 | |
| 66 | u16 *Pixel = &((u16*)gpu_senquack.vram)[FRAME_OFFSET(x0, y0)]; |
| 67 | const int li=gpu_senquack.ilace_mask; |
| 68 | const int pi=(ProgressiveInterlaceEnabled()?(gpu_senquack.ilace_mask+1):0); |
| 69 | const int pif=(ProgressiveInterlaceEnabled()?(gpu_senquack.prog_ilace_flag?(gpu_senquack.ilace_mask+1):0):1); |
| 70 | unsigned int tmode = gpu_senquack.TEXT_MODE >> 5; |
| 71 | const u32 v0_mask = gpu_senquack.TextureWindow[3]; |
| 72 | u8* pTxt_base = (u8*)gpu_senquack.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++; |
| 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: |
| 101 | x0 = GPU_EXPANDSIGN(packet.S2[2] + gpu_senquack.DrawingOffset[0]); |
| 102 | y0 = GPU_EXPANDSIGN(packet.S2[3] + gpu_senquack.DrawingOffset[1]); |
| 103 | |
| 104 | xmin = gpu_senquack.DrawingArea[0]; xmax = gpu_senquack.DrawingArea[2]; |
| 105 | ymin = gpu_senquack.DrawingArea[1]; ymax = gpu_senquack.DrawingArea[3]; |
| 106 | u0 = packet.U1[8]; |
| 107 | v0 = packet.U1[9]; |
| 108 | |
| 109 | if (x0 > xmax - 16 || x0 < xmin || |
| 110 | ((u0 | v0) & 15) || !(gpu_senquack.TextureWindow[2] & gpu_senquack.TextureWindow[3] & 8)) { |
| 111 | // send corner cases to general handler |
| 112 | packet.U4[3] = 0x00100010; |
| 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 | |
| 127 | draw_spr16_full(&gpu_senquack.vram[FRAME_OFFSET(x0, y0)], &gpu_senquack.TBA[FRAME_OFFSET(u0/4, v0)], gpu_senquack.CBA, h); |
| 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: |
| 136 | x0 = GPU_EXPANDSIGN(packet.S2[2] + gpu_senquack.DrawingOffset[0]); |
| 137 | y0 = GPU_EXPANDSIGN(packet.S2[3] + gpu_senquack.DrawingOffset[1]); |
| 138 | |
| 139 | u32 w = packet.U2[4] & 0x3ff; // Max width is 1023 |
| 140 | u32 h = packet.U2[5] & 0x1ff; // Max height is 511 |
| 141 | x1 = x0 + w; |
| 142 | y1 = y0 + h; |
| 143 | |
| 144 | s32 xmin, xmax, ymin, ymax; |
| 145 | xmin = gpu_senquack.DrawingArea[0]; xmax = gpu_senquack.DrawingArea[2]; |
| 146 | ymin = gpu_senquack.DrawingArea[1]; ymax = gpu_senquack.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 | |
| 157 | const u16 Data = GPU_RGB16(packet.U4[0]); |
| 158 | u16 *Pixel = &((u16*)gpu_senquack.vram)[FRAME_OFFSET(x0, y0)]; |
| 159 | const int li=gpu_senquack.ilace_mask; |
| 160 | const int pi=(ProgressiveInterlaceEnabled()?(gpu_senquack.ilace_mask+1):0); |
| 161 | const int pif=(ProgressiveInterlaceEnabled()?(gpu_senquack.prog_ilace_flag?(gpu_senquack.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; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | #endif /* __GPU_UNAI_GPU_RASTER_SPRITE_H__ */ |