6f2ee2be |
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 | } |