2 * (C) GraÅžvydas "notaz" Ignotas, 2011
4 * This work is licensed under the terms of any of these licenses
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.
11 #ifndef __GPULIB_GPU_H__
12 #define __GPULIB_GPU_H__
16 #define gpu_log(fmt, ...) \
17 printf("%d:%03d: " fmt, *gpu.state.frame_count, *gpu.state.hcnt, ##__VA_ARGS__)
19 //#define log_anomaly gpu_log
20 #define log_anomaly(...)
26 #define CMD_BUFFER_LEN 1024
28 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
29 #define HTOLE32(x) __builtin_bswap32(x)
30 #define HTOLE16(x) __builtin_bswap16(x)
31 #define LE32TOH(x) __builtin_bswap32(x)
32 #define LE16TOH(x) __builtin_bswap16(x)
34 #define HTOLE32(x) (x)
35 #define HTOLE16(x) (x)
36 #define LE32TOH(x) (x)
37 #define LE16TOH(x) (x)
40 #define BIT(x) (1 << (x))
42 #define PSX_GPU_STATUS_DHEIGHT BIT(19)
43 #define PSX_GPU_STATUS_PAL BIT(20)
44 #define PSX_GPU_STATUS_RGB24 BIT(21)
45 #define PSX_GPU_STATUS_INTERLACE BIT(22)
46 #define PSX_GPU_STATUS_BLANKING BIT(23)
47 #define PSX_GPU_STATUS_IMG BIT(27)
48 #define PSX_GPU_STATUS_DMA(x) ((x) << 29)
49 #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30))
52 uint32_t cmd_buffer[CMD_BUFFER_LEN];
67 short int offset, is_read;
73 uint32_t old_interlace:1;
74 uint32_t allow_interlace:2;
76 uint32_t enhancement_enable:1;
77 uint32_t enhancement_active:1;
78 uint32_t enhancement_was_active:1;
79 uint32_t dims_changed:1;
80 uint32_t *frame_count;
81 uint32_t *hcnt; /* hsync count */
88 uint32_t last_vram_read_frame;
89 uint32_t w_out_old, h_out_old, status_vo_old;
90 int screen_centering_type; // 0 - auto, 1 - game conrolled, 2 - manual
91 int screen_centering_x;
92 int screen_centering_y;
95 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
96 int32_t cnt:3; /* amount skipped in a row */
99 uint32_t frame_ready:1;
101 uint32_t last_flip_frame;
102 uint32_t pending_fill[3];
104 void *(*get_enhancement_bufer)
105 (int *x, int *y, int *w, int *h, int *vram_h);
106 void *(*mmap)(unsigned int size);
107 void (*munmap)(void *ptr, unsigned int size);
110 extern struct psx_gpu gpu;
112 extern const unsigned char cmd_lengths[256];
114 int do_cmd_list(uint32_t *list, int count, int *last_cmd);
118 int renderer_init(void);
119 void renderer_finish(void);
120 void renderer_sync_ecmds(uint32_t * ecmds);
121 void renderer_update_caches(int x, int y, int w, int h, int state_changed);
122 void renderer_flush_queues(void);
123 void renderer_set_interlace(int enable, int is_odd);
124 void renderer_set_config(const struct rearmed_cbs *config);
125 void renderer_notify_res_change(void);
126 void renderer_notify_scanout_x_change(int x, int w);
129 int vout_finish(void);
130 void vout_update(void);
131 void vout_blank(void);
132 void vout_set_config(const struct rearmed_cbs *config);
134 /* listing these here for correct linkage if rasterizer uses c++ */
138 long GPUshutdown(void);
139 void GPUwriteDataMem(uint32_t *mem, int count);
140 long GPUdmaChain(uint32_t *rambase, uint32_t addr, uint32_t *progress_addr);
141 void GPUwriteData(uint32_t data);
142 void GPUreadDataMem(uint32_t *mem, int count);
143 uint32_t GPUreadData(void);
144 uint32_t GPUreadStatus(void);
145 void GPUwriteStatus(uint32_t data);
146 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
147 void GPUupdateLace(void);
148 long GPUopen(void **dpy);
150 void GPUvBlank(int is_vblank, int lcf);
151 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
157 #endif /* __GPULIB_GPU_H__ */