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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 | |
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13 | #ifdef __cplusplus |
14 | extern "C" { |
15 | #endif |
16 | |
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17 | #define CMD_BUFFER_LEN 1024 |
18 | |
19 | struct psx_gpu { |
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20 | uint32_t cmd_buffer[CMD_BUFFER_LEN]; |
21 | uint32_t regs[16]; |
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22 | uint16_t *vram; |
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23 | union { |
24 | uint32_t reg; |
25 | struct { |
26 | uint32_t tx:4; // 0 texture page |
27 | uint32_t ty:1; |
28 | uint32_t abr:2; |
29 | uint32_t tp:2; // 7 t.p. mode (4,8,15bpp) |
30 | uint32_t dtd:1; // 9 dither |
31 | uint32_t dfe:1; |
32 | uint32_t md:1; // 11 set mask bit when drawing |
33 | uint32_t me:1; // 12 no draw on mask |
34 | uint32_t unkn:3; |
35 | uint32_t width1:1; // 16 |
36 | uint32_t width0:2; |
37 | uint32_t dheight:1; // 19 double height |
38 | uint32_t video:1; // 20 NTSC,PAL |
39 | uint32_t rgb24:1; |
40 | uint32_t interlace:1; // 22 interlace on |
41 | uint32_t blanking:1; // 23 display not enabled |
42 | uint32_t unkn2:2; |
43 | uint32_t busy:1; // 26 !busy drawing |
44 | uint32_t img:1; // 27 ready to DMA image data |
45 | uint32_t com:1; // 28 ready for commands |
46 | uint32_t dma:2; // 29 off, ?, to vram, from vram |
47 | uint32_t lcf:1; // 31 |
48 | }; |
49 | } status; |
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50 | uint32_t gp0; |
51 | uint32_t ex_regs[8]; |
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52 | struct { |
8dd855cd |
53 | int hres, vres; |
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54 | int x, y, w, h; |
8dd855cd |
55 | int x1, x2; |
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56 | int y1, y2; |
57 | } screen; |
58 | struct { |
59 | int x, y, w, h; |
05740673 |
60 | short int offset, is_read; |
61 | } dma, dma_start; |
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62 | int cmd_len; |
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63 | uint32_t zero; |
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64 | struct { |
65 | uint32_t fb_dirty:1; |
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66 | uint32_t old_interlace:1; |
67 | uint32_t allow_interlace:2; |
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68 | uint32_t blanked:1; |
0b02eb77 |
69 | uint32_t enhancement_enable:1; |
70 | uint32_t enhancement_active:1; |
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71 | uint32_t *frame_count; |
72 | uint32_t *hcnt; /* hsync count */ |
deb18d24 |
73 | struct { |
74 | uint32_t addr; |
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75 | uint32_t cycles; |
deb18d24 |
76 | uint32_t frame; |
77 | uint32_t hcnt; |
78 | } last_list; |
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79 | uint32_t last_vram_read_frame; |
fc84f618 |
80 | } state; |
81 | struct { |
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82 | int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */ |
83 | int32_t cnt:3; /* amount skipped in a row */ |
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84 | uint32_t active:1; |
fb4c6fba |
85 | uint32_t allow:1; |
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86 | uint32_t frame_ready:1; |
87 | const int *advice; |
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88 | uint32_t last_flip_frame; |
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89 | uint32_t pending_fill[3]; |
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90 | } frameskip; |
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91 | int useDithering:1; /* 0 - off , 1 - on */ |
a8be0deb |
92 | uint16_t *(*get_enhancement_bufer) |
fa56d360 |
93 | (int *x, int *y, int *w, int *h, int *vram_h); |
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94 | void *(*mmap)(unsigned int size); |
95 | void (*munmap)(void *ptr, unsigned int size); |
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96 | }; |
97 | |
98 | extern struct psx_gpu gpu; |
99 | |
100 | extern const unsigned char cmd_lengths[256]; |
101 | |
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102 | int do_cmd_list(uint32_t *list, int count, int *last_cmd); |
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103 | |
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104 | struct rearmed_cbs; |
105 | |
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106 | int renderer_init(void); |
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107 | void renderer_finish(void); |
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108 | void renderer_sync_ecmds(uint32_t * ecmds); |
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109 | void renderer_update_caches(int x, int y, int w, int h); |
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110 | void renderer_flush_queues(void); |
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111 | void renderer_set_interlace(int enable, int is_odd); |
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112 | void renderer_set_config(const struct rearmed_cbs *config); |
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113 | void renderer_notify_res_change(void); |
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114 | |
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115 | int vout_init(void); |
116 | int vout_finish(void); |
117 | void vout_update(void); |
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118 | void vout_blank(void); |
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119 | void vout_set_config(const struct rearmed_cbs *config); |
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120 | |
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121 | /* listing these here for correct linkage if rasterizer uses c++ */ |
122 | struct GPUFreeze; |
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123 | |
124 | long GPUinit(void); |
125 | long GPUshutdown(void); |
126 | void GPUwriteDataMem(uint32_t *mem, int count); |
127 | long GPUdmaChain(uint32_t *rambase, uint32_t addr); |
128 | void GPUwriteData(uint32_t data); |
129 | void GPUreadDataMem(uint32_t *mem, int count); |
130 | uint32_t GPUreadData(void); |
131 | uint32_t GPUreadStatus(void); |
132 | void GPUwriteStatus(uint32_t data); |
133 | long GPUfreeze(uint32_t type, struct GPUFreeze *freeze); |
134 | void GPUupdateLace(void); |
135 | long GPUopen(void **dpy); |
136 | long GPUclose(void); |
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137 | void GPUvBlank(int is_vblank, int lcf); |
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138 | void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_); |
139 | |
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140 | #ifdef __cplusplus |
141 | } |
142 | #endif |