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1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2011 |
3 | * |
4 | * This work is licensed under the terms of any of these licenses |
5 | * (at your option): |
6 | * - GNU GPL, version 2 or later. |
7 | * - GNU LGPL, version 2.1 or later. |
8 | * See the COPYING file in the top-level directory. |
9 | */ |
10 | |
11 | #include <stdint.h> |
12 | |
13 | #define CMD_BUFFER_LEN 1024 |
14 | |
15 | struct psx_gpu { |
16 | uint16_t vram[1024 * 512]; |
17 | uint16_t guard[1024 * 512]; // overdraw guard |
18 | uint32_t cmd_buffer[CMD_BUFFER_LEN]; |
19 | uint32_t regs[16]; |
20 | union { |
21 | uint32_t reg; |
22 | struct { |
23 | uint32_t tx:4; // 0 texture page |
24 | uint32_t ty:1; |
25 | uint32_t abr:2; |
26 | uint32_t tp:2; // 7 t.p. mode (4,8,15bpp) |
27 | uint32_t dtd:1; // 9 dither |
28 | uint32_t dfe:1; |
29 | uint32_t md:1; // 11 set mask bit when drawing |
30 | uint32_t me:1; // 12 no draw on mask |
31 | uint32_t unkn:3; |
32 | uint32_t width1:1; // 16 |
33 | uint32_t width0:2; |
34 | uint32_t dheight:1; // 19 double height |
35 | uint32_t video:1; // 20 NTSC,PAL |
36 | uint32_t rgb24:1; |
37 | uint32_t interlace:1; // 22 interlace on |
38 | uint32_t blanking:1; // 23 display not enabled |
39 | uint32_t unkn2:2; |
40 | uint32_t busy:1; // 26 !busy drawing |
41 | uint32_t img:1; // 27 ready to DMA image data |
42 | uint32_t com:1; // 28 ready for commands |
43 | uint32_t dma:2; // 29 off, ?, to vram, from vram |
44 | uint32_t lcf:1; // 31 |
45 | }; |
46 | } status; |
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47 | uint32_t gp0; |
48 | uint32_t ex_regs[8]; |
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49 | struct { |
8dd855cd |
50 | int hres, vres; |
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51 | int x, y, w, h; |
8dd855cd |
52 | int x1, x2; |
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53 | int y1, y2; |
54 | } screen; |
55 | struct { |
56 | int x, y, w, h; |
57 | int offset; |
58 | } dma; |
59 | int cmd_len; |
60 | const uint32_t *lcf_hc; |
61 | uint32_t zero; |
fc84f618 |
62 | struct { |
63 | uint32_t fb_dirty:1; |
deb18d24 |
64 | uint32_t frame_count; |
65 | uint32_t *hcnt; |
66 | struct { |
67 | uint32_t addr; |
68 | uint32_t words; |
69 | uint32_t frame; |
70 | uint32_t hcnt; |
71 | } last_list; |
fc84f618 |
72 | } state; |
73 | struct { |
ea4a16e7 |
74 | int32_t set:3; /* -1 auto, 0 off, 1 fixed */ |
fc84f618 |
75 | uint32_t active:1; |
76 | uint32_t frame_ready:1; |
19e7cf87 |
77 | uint32_t skipped_blits:5; |
fc84f618 |
78 | const int *advice; |
79 | } frameskip; |
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80 | }; |
81 | |
82 | extern struct psx_gpu gpu; |
83 | |
84 | extern const unsigned char cmd_lengths[256]; |
85 | |
86 | void do_cmd_list(uint32_t *list, int count); |
87 | |
9394ada5 |
88 | int renderer_init(void); |
5b745e5b |
89 | void renderer_sync_ecmds(uint32_t * ecmds); |
9394ada5 |
90 | void renderer_invalidate_caches(int x, int y, int w, int h); |
91 | void renderer_flush_queues(void); |
92 | |
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93 | int vout_init(void); |
94 | int vout_finish(void); |