| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2010 PCSX4ALL Team * |
| 3 | * Copyright (C) 2010 Unai * |
| 4 | * Copyright (C) 2011 notaz * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | #include "gpu.h" |
| 26 | |
| 27 | #define u8 uint8_t |
| 28 | #define s8 int8_t |
| 29 | #define u16 uint16_t |
| 30 | #define s16 int16_t |
| 31 | #define u32 uint32_t |
| 32 | #define s32 int32_t |
| 33 | #define s64 int64_t |
| 34 | |
| 35 | #define INLINE |
| 36 | |
| 37 | #define FRAME_BUFFER_SIZE (1024*512*2) |
| 38 | #define FRAME_WIDTH 1024 |
| 39 | #define FRAME_HEIGHT 512 |
| 40 | #define FRAME_OFFSET(x,y) (((y)<<10)+(x)) |
| 41 | |
| 42 | //#define VIDEO_WIDTH 320 |
| 43 | |
| 44 | static bool isSkip = false; /* skip frame (info coming from GPU) */ |
| 45 | static int linesInterlace = 0; /* internal lines interlace */ |
| 46 | |
| 47 | #define alt_fps 0 |
| 48 | |
| 49 | static bool light = true; /* lighting */ |
| 50 | static bool blend = true; /* blending */ |
| 51 | static bool FrameToRead = false; /* load image in progress */ |
| 52 | static bool FrameToWrite = false; /* store image in progress */ |
| 53 | |
| 54 | static bool enableAbbeyHack = false; /* Abe's Odyssey hack */ |
| 55 | |
| 56 | static u8 BLEND_MODE; |
| 57 | static u8 TEXT_MODE; |
| 58 | static u8 Masking; |
| 59 | |
| 60 | static u16 PixelMSB; |
| 61 | static u16 PixelData; |
| 62 | |
| 63 | /////////////////////////////////////////////////////////////////////////////// |
| 64 | // GPU Global data |
| 65 | /////////////////////////////////////////////////////////////////////////////// |
| 66 | |
| 67 | // Dma Transfers info |
| 68 | static s32 px,py; |
| 69 | static s32 x_end,y_end; |
| 70 | static u16* pvram; |
| 71 | |
| 72 | static s32 PacketCount; |
| 73 | static s32 PacketIndex; |
| 74 | |
| 75 | // Rasterizer status |
| 76 | static u32 TextureWindow [4]; |
| 77 | static u32 DrawingArea [4]; |
| 78 | static u32 DrawingOffset [2]; |
| 79 | |
| 80 | static u16* TBA; |
| 81 | static u16* CBA; |
| 82 | |
| 83 | // Inner Loops |
| 84 | static s32 u4, du4; |
| 85 | static s32 v4, dv4; |
| 86 | static s32 r4, dr4; |
| 87 | static s32 g4, dg4; |
| 88 | static s32 b4, db4; |
| 89 | static u32 lInc; |
| 90 | static u32 tInc, tMsk; |
| 91 | |
| 92 | union GPUPacket |
| 93 | { |
| 94 | u32 *U4; |
| 95 | s32 *S4; |
| 96 | u16 *U2; |
| 97 | s16 *S2; |
| 98 | u8 *U1; |
| 99 | s8 *S1; |
| 100 | }; |
| 101 | |
| 102 | static GPUPacket PacketBuffer; |
| 103 | static u16 *GPU_FrameBuffer; |
| 104 | static u32 GPU_GP1; |
| 105 | |
| 106 | /////////////////////////////////////////////////////////////////////////////// |
| 107 | |
| 108 | #include "../gpu_unai/gpu_fixedpoint.h" |
| 109 | |
| 110 | // Inner loop driver instanciation file |
| 111 | #include "../gpu_unai/gpu_inner.h" |
| 112 | |
| 113 | // GPU Raster Macros |
| 114 | #define GPU_RGB16(rgb) ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3)) |
| 115 | |
| 116 | #define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<20)>>20) |
| 117 | //#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<21)>>21) |
| 118 | #define GPU_EXPANDSIGN_SPRT(x) (((s32)(x)<<21)>>21) |
| 119 | |
| 120 | //#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; } |
| 121 | #define GPU_TESTRANGE(x) { if ((x<-1023) || (x>1023)) return; } |
| 122 | |
| 123 | #define GPU_SWAP(a,b,t) {(t)=(a);(a)=(b);(b)=(t);} |
| 124 | |
| 125 | // GPU internal image drawing functions |
| 126 | #include "../gpu_unai/gpu_raster_image.h" |
| 127 | |
| 128 | // GPU internal line drawing functions |
| 129 | #include "../gpu_unai/gpu_raster_line.h" |
| 130 | |
| 131 | // GPU internal polygon drawing functions |
| 132 | #include "../gpu_unai/gpu_raster_polygon.h" |
| 133 | |
| 134 | // GPU internal sprite drawing functions |
| 135 | #include "../gpu_unai/gpu_raster_sprite.h" |
| 136 | |
| 137 | // GPU command buffer execution/store |
| 138 | #include "../gpu_unai/gpu_command.h" |
| 139 | |
| 140 | #define unai_do_prim(cmd, list) \ |
| 141 | PacketBuffer.U4 = list; \ |
| 142 | gpuSendPacketFunction(cmd) |
| 143 | |
| 144 | ///////////////////////////////////////////////////////////////////////////// |
| 145 | |
| 146 | int renderer_init(void) |
| 147 | { |
| 148 | GPU_FrameBuffer = (u16 *)gpu.vram; |
| 149 | |
| 150 | // s_invTable |
| 151 | for(int i=1;i<=(1<<TABLE_BITS);++i) |
| 152 | { |
| 153 | double v = 1.0 / double(i); |
| 154 | #ifdef GPU_TABLE_10_BITS |
| 155 | v *= double(0xffffffff>>1); |
| 156 | #else |
| 157 | v *= double(0x80000000); |
| 158 | #endif |
| 159 | s_invTable[i-1]=s32(v); |
| 160 | } |
| 161 | |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | extern const unsigned char cmd_lengths[256]; |
| 166 | |
| 167 | void do_cmd_list(unsigned int *list, int list_len) |
| 168 | { |
| 169 | unsigned int cmd, len; |
| 170 | |
| 171 | unsigned int *list_end = list + list_len; |
| 172 | |
| 173 | for (; list < list_end; list += 1 + len) |
| 174 | { |
| 175 | short *slist = (short *)list; |
| 176 | cmd = *list >> 24; |
| 177 | len = cmd_lengths[cmd]; |
| 178 | |
| 179 | unai_do_prim(cmd, list); |
| 180 | |
| 181 | switch(cmd) |
| 182 | { |
| 183 | case 0x48 ... 0x4F: |
| 184 | { |
| 185 | u32 num_vertexes = 1; |
| 186 | u32 *list_position = &(list[2]); |
| 187 | |
| 188 | while(1) |
| 189 | { |
| 190 | if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end) |
| 191 | break; |
| 192 | |
| 193 | list_position++; |
| 194 | num_vertexes++; |
| 195 | } |
| 196 | |
| 197 | if(num_vertexes > 2) |
| 198 | len += (num_vertexes - 2); |
| 199 | |
| 200 | break; |
| 201 | } |
| 202 | |
| 203 | case 0x58 ... 0x5F: |
| 204 | { |
| 205 | u32 num_vertexes = 1; |
| 206 | u32 *list_position = &(list[2]); |
| 207 | |
| 208 | while(1) |
| 209 | { |
| 210 | if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end) |
| 211 | break; |
| 212 | |
| 213 | list_position += 2; |
| 214 | num_vertexes++; |
| 215 | } |
| 216 | |
| 217 | if(num_vertexes > 2) |
| 218 | len += ((num_vertexes * 2) - 2); |
| 219 | |
| 220 | break; |
| 221 | } |
| 222 | |
| 223 | case 0xA0: // sys -> vid |
| 224 | { |
| 225 | u32 load_width = slist[4]; |
| 226 | u32 load_height = slist[5]; |
| 227 | u32 load_size = load_width * load_height; |
| 228 | |
| 229 | len += load_size / 2; |
| 230 | break; |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | void renderer_sync_ecmds(uint32_t *ecmds) |
| 237 | { |
| 238 | unai_do_prim(0xe1, &ecmds[1]); |
| 239 | unai_do_prim(0xe2, &ecmds[2]); |
| 240 | unai_do_prim(0xe3, &ecmds[3]); |
| 241 | unai_do_prim(0xe4, &ecmds[4]); |
| 242 | unai_do_prim(0xe5, &ecmds[5]); |
| 243 | unai_do_prim(0xe6, &ecmds[6]); |
| 244 | } |
| 245 | |
| 246 | void renderer_invalidate_caches(int x, int y, int w, int h) |
| 247 | { |
| 248 | } |
| 249 | |
| 250 | void renderer_flush_queues(void) |
| 251 | { |
| 252 | } |
| 253 | |
| 254 | #include "../../frontend/plugin_lib.h" |
| 255 | |
| 256 | void renderer_set_config(const struct rearmed_cbs *cbs) |
| 257 | { |
| 258 | enableAbbeyHack = cbs->gpu_unai.abe_hack; |
| 259 | light = !cbs->gpu_unai.no_light; |
| 260 | blend = !cbs->gpu_unai.no_blend; |
| 261 | } |