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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> |
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25 | #include "../gpulib/gpu.h" |
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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 | |
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35 | #define INLINE static |
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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 | |
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42 | #define isSkip 0 /* skip frame (info coming from GPU) */ |
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43 | #define alt_fps 0 |
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44 | static int linesInterlace; /* internal lines interlace */ |
45 | static int force_interlace; |
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46 | |
47 | static bool light = true; /* lighting */ |
48 | static bool blend = true; /* blending */ |
49 | static bool FrameToRead = false; /* load image in progress */ |
50 | static bool FrameToWrite = false; /* store image in progress */ |
51 | |
52 | static bool enableAbbeyHack = false; /* Abe's Odyssey hack */ |
53 | |
54 | static u8 BLEND_MODE; |
55 | static u8 TEXT_MODE; |
56 | static u8 Masking; |
57 | |
58 | static u16 PixelMSB; |
59 | static u16 PixelData; |
60 | |
61 | /////////////////////////////////////////////////////////////////////////////// |
62 | // GPU Global data |
63 | /////////////////////////////////////////////////////////////////////////////// |
64 | |
65 | // Dma Transfers info |
66 | static s32 px,py; |
67 | static s32 x_end,y_end; |
68 | static u16* pvram; |
69 | |
70 | static s32 PacketCount; |
71 | static s32 PacketIndex; |
72 | |
73 | // Rasterizer status |
74 | static u32 TextureWindow [4]; |
75 | static u32 DrawingArea [4]; |
76 | static u32 DrawingOffset [2]; |
77 | |
78 | static u16* TBA; |
79 | static u16* CBA; |
80 | |
81 | // Inner Loops |
82 | static s32 u4, du4; |
83 | static s32 v4, dv4; |
84 | static s32 r4, dr4; |
85 | static s32 g4, dg4; |
86 | static s32 b4, db4; |
87 | static u32 lInc; |
88 | static u32 tInc, tMsk; |
89 | |
90 | union GPUPacket |
91 | { |
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92 | u32 U4[16]; |
93 | s32 S4[16]; |
94 | u16 U2[32]; |
95 | s16 S2[32]; |
96 | u8 U1[64]; |
97 | s8 S1[64]; |
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98 | }; |
99 | |
100 | static GPUPacket PacketBuffer; |
101 | static u16 *GPU_FrameBuffer; |
102 | static u32 GPU_GP1; |
103 | |
104 | /////////////////////////////////////////////////////////////////////////////// |
105 | |
106 | #include "../gpu_unai/gpu_fixedpoint.h" |
107 | |
108 | // Inner loop driver instanciation file |
109 | #include "../gpu_unai/gpu_inner.h" |
110 | |
111 | // GPU Raster Macros |
112 | #define GPU_RGB16(rgb) ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3)) |
113 | |
114 | #define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<20)>>20) |
115 | //#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<21)>>21) |
116 | #define GPU_EXPANDSIGN_SPRT(x) (((s32)(x)<<21)>>21) |
117 | |
118 | //#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; } |
119 | #define GPU_TESTRANGE(x) { if ((x<-1023) || (x>1023)) return; } |
120 | |
121 | #define GPU_SWAP(a,b,t) {(t)=(a);(a)=(b);(b)=(t);} |
122 | |
123 | // GPU internal image drawing functions |
124 | #include "../gpu_unai/gpu_raster_image.h" |
125 | |
126 | // GPU internal line drawing functions |
127 | #include "../gpu_unai/gpu_raster_line.h" |
128 | |
129 | // GPU internal polygon drawing functions |
130 | #include "../gpu_unai/gpu_raster_polygon.h" |
131 | |
132 | // GPU internal sprite drawing functions |
133 | #include "../gpu_unai/gpu_raster_sprite.h" |
134 | |
135 | // GPU command buffer execution/store |
136 | #include "../gpu_unai/gpu_command.h" |
137 | |
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138 | #define unai_do_prim(cmd, list, len) \ |
139 | memcpy(PacketBuffer.U4, list, (len) * 4); \ |
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140 | gpuSendPacketFunction(cmd) |
141 | |
142 | ///////////////////////////////////////////////////////////////////////////// |
143 | |
144 | int renderer_init(void) |
145 | { |
146 | GPU_FrameBuffer = (u16 *)gpu.vram; |
147 | |
148 | // s_invTable |
149 | for(int i=1;i<=(1<<TABLE_BITS);++i) |
150 | { |
151 | double v = 1.0 / double(i); |
152 | #ifdef GPU_TABLE_10_BITS |
153 | v *= double(0xffffffff>>1); |
154 | #else |
155 | v *= double(0x80000000); |
156 | #endif |
157 | s_invTable[i-1]=s32(v); |
158 | } |
159 | |
160 | return 0; |
161 | } |
162 | |
163 | extern const unsigned char cmd_lengths[256]; |
164 | |
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165 | int do_cmd_list(unsigned int *list, int list_len, int *last_cmd) |
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166 | { |
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167 | unsigned int cmd = 0, len; |
168 | unsigned int *list_start = list; |
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169 | unsigned int *list_end = list + list_len; |
170 | |
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171 | linesInterlace = force_interlace; |
172 | #ifndef __ARM_ARCH_7A__ /* XXX */ |
173 | linesInterlace |= gpu.status.interlace; |
174 | #endif |
175 | |
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176 | for (; list < list_end; list += 1 + len) |
177 | { |
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178 | cmd = *list >> 24; |
179 | len = cmd_lengths[cmd]; |
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180 | if (list + 1 + len > list_end) { |
181 | cmd = -1; |
182 | break; |
183 | } |
184 | |
185 | #ifndef TEST |
186 | if (cmd == 0xa0 || cmd == 0xc0) |
187 | break; // image i/o, forward to upper layer |
188 | else if ((cmd & 0xf8) == 0xe0) |
189 | gpu.ex_regs[cmd & 7] = list[0]; |
190 | #endif |
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191 | |
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192 | switch(cmd) |
193 | { |
194 | case 0x48 ... 0x4F: |
195 | { |
196 | u32 num_vertexes = 1; |
197 | u32 *list_position = &(list[2]); |
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198 | u32 PRIM = cmd; |
199 | |
200 | memcpy(&PacketBuffer.U4[0], list, 4 * 3); |
201 | gpuDrawLF(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]); |
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202 | |
203 | while(1) |
204 | { |
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205 | PacketBuffer.U4[1] = PacketBuffer.U4[2]; |
206 | PacketBuffer.U4[2] = *list_position++; |
207 | gpuDrawLF(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]); |
208 | |
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209 | num_vertexes++; |
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210 | if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end) |
211 | break; |
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212 | } |
213 | |
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214 | len += (num_vertexes - 2); |
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215 | break; |
216 | } |
217 | |
218 | case 0x58 ... 0x5F: |
219 | { |
220 | u32 num_vertexes = 1; |
221 | u32 *list_position = &(list[2]); |
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222 | u32 PRIM = cmd; |
223 | |
224 | memcpy(&PacketBuffer.U4[0], list, 4 * 4); |
225 | gpuDrawLG(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]); |
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226 | |
227 | while(1) |
228 | { |
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229 | PacketBuffer.U4[0] = PacketBuffer.U4[2]; |
230 | PacketBuffer.U4[1] = PacketBuffer.U4[3]; |
231 | PacketBuffer.U4[2] = *list_position++; |
232 | PacketBuffer.U4[3] = *list_position++; |
233 | gpuDrawLG(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]); |
234 | |
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235 | num_vertexes++; |
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236 | if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end) |
237 | break; |
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238 | } |
239 | |
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240 | len += (num_vertexes - 2) * 2; |
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241 | break; |
242 | } |
243 | |
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244 | #ifdef TEST |
245 | case 0xA0: // sys -> vid |
246 | { |
247 | u32 load_width = list[2] & 0xffff; |
248 | u32 load_height = list[2] >> 16; |
249 | u32 load_size = load_width * load_height; |
250 | |
251 | len += load_size / 2; |
252 | break; |
253 | } |
254 | #endif |
255 | |
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256 | default: |
257 | unai_do_prim(cmd, list, len + 1); |
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258 | break; |
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259 | } |
260 | } |
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261 | |
262 | gpu.ex_regs[1] &= ~0x1ff; |
263 | gpu.ex_regs[1] |= GPU_GP1 & 0x1ff; |
264 | |
265 | *last_cmd = cmd; |
266 | return list - list_start; |
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267 | } |
268 | |
269 | void renderer_sync_ecmds(uint32_t *ecmds) |
270 | { |
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271 | unai_do_prim(0xe1, &ecmds[1], 1); |
272 | unai_do_prim(0xe2, &ecmds[2], 1); |
273 | unai_do_prim(0xe3, &ecmds[3], 1); |
274 | unai_do_prim(0xe4, &ecmds[4], 1); |
275 | unai_do_prim(0xe5, &ecmds[5], 1); |
276 | unai_do_prim(0xe6, &ecmds[6], 1); |
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277 | } |
278 | |
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279 | void renderer_update_caches(int x, int y, int w, int h) |
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280 | { |
281 | } |
282 | |
283 | void renderer_flush_queues(void) |
284 | { |
285 | } |
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286 | |
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287 | void renderer_set_interlace(int enable, int is_odd) |
288 | { |
289 | } |
290 | |
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291 | #ifndef TEST |
292 | |
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293 | #include "../../frontend/plugin_lib.h" |
294 | |
295 | void renderer_set_config(const struct rearmed_cbs *cbs) |
296 | { |
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297 | force_interlace = cbs->gpu_unai.lineskip; |
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298 | enableAbbeyHack = cbs->gpu_unai.abe_hack; |
299 | light = !cbs->gpu_unai.no_light; |
300 | blend = !cbs->gpu_unai.no_blend; |
301 | } |
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302 | |
303 | #endif |