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 downscale_enable:1;
80 uint32_t downscale_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;
105 uint32_t last_flip_frame;
106 uint32_t pending_fill[3];
108 uint32_t scratch_ex_regs[8]; // for threaded rendering
109 void *(*get_enhancement_bufer)
110 (int *x, int *y, int *w, int *h, int *vram_h);
111 uint16_t *(*get_downscale_buffer)
112 (int *x, int *y, int *w, int *h, int *vram_h);
113 void *(*mmap)(unsigned int size);
114 void (*munmap)(void *ptr, unsigned int size);
117 extern struct psx_gpu gpu;
119 extern const unsigned char cmd_lengths[256];
121 int do_cmd_list(uint32_t *list, int count, int *last_cmd);
125 int renderer_init(void);
126 void renderer_finish(void);
127 void renderer_sync_ecmds(uint32_t * ecmds);
128 void renderer_update_caches(int x, int y, int w, int h, int state_changed);
129 void renderer_flush_queues(void);
130 void renderer_set_interlace(int enable, int is_odd);
131 void renderer_set_config(const struct rearmed_cbs *config);
132 void renderer_notify_res_change(void);
133 void renderer_notify_update_lace(int updated);
134 void renderer_sync(void);
135 void renderer_notify_scanout_x_change(int x, int w);
138 int vout_finish(void);
139 void vout_update(void);
140 void vout_blank(void);
141 void vout_set_config(const struct rearmed_cbs *config);
143 /* listing these here for correct linkage if rasterizer uses c++ */
147 long GPUshutdown(void);
148 void GPUwriteDataMem(uint32_t *mem, int count);
149 long GPUdmaChain(uint32_t *rambase, uint32_t addr, uint32_t *progress_addr);
150 void GPUwriteData(uint32_t data);
151 void GPUreadDataMem(uint32_t *mem, int count);
152 uint32_t GPUreadData(void);
153 uint32_t GPUreadStatus(void);
154 void GPUwriteStatus(uint32_t data);
155 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
156 void GPUupdateLace(void);
157 long GPUopen(unsigned long *disp, char *cap, char *cfg);
159 void GPUvBlank(int is_vblank, int lcf);
160 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
166 #endif /* __GPULIB_GPU_H__ */