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 RAW_FB_DISPLAY
18 #define gpu_log(fmt, ...) \
19 printf("%d:%03d: " fmt, *gpu.state.frame_count, *gpu.state.hcnt, ##__VA_ARGS__)
21 //#define log_anomaly gpu_log
22 #define log_anomaly(...)
28 #define CMD_BUFFER_LEN 1024
30 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
31 #define HTOLE32(x) __builtin_bswap32(x)
32 #define HTOLE16(x) __builtin_bswap16(x)
33 #define LE32TOH(x) __builtin_bswap32(x)
34 #define LE16TOH(x) __builtin_bswap16(x)
36 #define HTOLE32(x) (x)
37 #define HTOLE16(x) (x)
38 #define LE32TOH(x) (x)
39 #define LE16TOH(x) (x)
42 #define BIT(x) (1 << (x))
44 #define PSX_GPU_STATUS_DHEIGHT BIT(19)
45 #define PSX_GPU_STATUS_PAL BIT(20)
46 #define PSX_GPU_STATUS_RGB24 BIT(21)
47 #define PSX_GPU_STATUS_INTERLACE BIT(22)
48 #define PSX_GPU_STATUS_BLANKING BIT(23)
49 #define PSX_GPU_STATUS_IMG BIT(27)
50 #define PSX_GPU_STATUS_DMA(x) ((x) << 29)
51 #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30))
54 uint32_t cmd_buffer[CMD_BUFFER_LEN];
69 short int offset, is_read;
75 uint32_t old_interlace:1;
76 uint32_t allow_interlace:2;
78 uint32_t enhancement_enable:1;
79 uint32_t enhancement_active:1;
80 uint32_t enhancement_was_active:1;
81 uint32_t dims_changed:1;
82 uint32_t *frame_count;
83 uint32_t *hcnt; /* hsync count */
90 uint32_t last_vram_read_frame;
91 uint32_t w_out_old, h_out_old, status_vo_old;
92 int screen_centering_type; // 0 - auto, 1 - game conrolled, 2 - manual
93 int screen_centering_x;
94 int screen_centering_y;
97 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
98 int32_t cnt:3; /* amount skipped in a row */
101 uint32_t frame_ready:1;
103 uint32_t last_flip_frame;
104 uint32_t pending_fill[3];
106 void *(*get_enhancement_bufer)
107 (int *x, int *y, int *w, int *h, int *vram_h);
108 void *(*mmap)(unsigned int size);
109 void (*munmap)(void *ptr, unsigned int size);
110 void (*gpu_state_change)(int what); // psx_gpu_state
113 extern struct psx_gpu gpu;
115 extern const unsigned char cmd_lengths[256];
117 int do_cmd_list(uint32_t *list, int count, int *last_cmd);
121 int renderer_init(void);
122 void renderer_finish(void);
123 void renderer_sync_ecmds(uint32_t * ecmds);
124 void renderer_update_caches(int x, int y, int w, int h, int state_changed);
125 void renderer_flush_queues(void);
126 void renderer_set_interlace(int enable, int is_odd);
127 void renderer_set_config(const struct rearmed_cbs *config);
128 void renderer_notify_res_change(void);
129 void renderer_notify_scanout_x_change(int x, int w);
132 int vout_finish(void);
133 void vout_update(void);
134 void vout_blank(void);
135 void vout_set_config(const struct rearmed_cbs *config);
137 /* listing these here for correct linkage if rasterizer uses c++ */
141 long GPUshutdown(void);
142 void GPUwriteDataMem(uint32_t *mem, int count);
143 long GPUdmaChain(uint32_t *rambase, uint32_t addr, uint32_t *progress_addr);
144 void GPUwriteData(uint32_t data);
145 void GPUreadDataMem(uint32_t *mem, int count);
146 uint32_t GPUreadData(void);
147 uint32_t GPUreadStatus(void);
148 void GPUwriteStatus(uint32_t data);
149 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
150 void GPUupdateLace(void);
151 long GPUopen(unsigned long *disp, char *cap, char *cfg);
153 void GPUvBlank(int is_vblank, int lcf);
154 void GPUgetScreenInfo(int *y, int *base_hres);
155 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
161 #endif /* __GPULIB_GPU_H__ */