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(gpu, 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)
43 #define BIT(x) (1u << (x))
45 #define PSX_GPU_STATUS_DHEIGHT BIT(19)
46 #define PSX_GPU_STATUS_PAL BIT(20)
47 #define PSX_GPU_STATUS_RGB24 BIT(21)
48 #define PSX_GPU_STATUS_INTERLACE BIT(22)
49 #define PSX_GPU_STATUS_BLANKING BIT(23)
50 #define PSX_GPU_STATUS_IMG BIT(27)
51 #define PSX_GPU_STATUS_DMA(x) ((x) << 29)
52 #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30))
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 downscale_enable:1;
82 uint32_t downscale_active:1;
83 uint32_t dims_changed:1;
84 uint32_t show_overscan:2;
85 uint32_t *frame_count;
86 uint32_t *hcnt; /* hsync count */
93 uint32_t last_vram_read_frame;
94 uint32_t w_out_old, h_out_old, status_vo_old;
95 short screen_centering_type;
96 short screen_centering_type_default;
97 short screen_centering_x;
98 short screen_centering_y;
99 int screen_centering_h_adj;
102 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
103 int32_t cnt:3; /* amount skipped in a row */
106 uint32_t frame_ready:1;
110 uint32_t last_flip_frame;
111 uint32_t pending_fill[3];
113 uint32_t scratch_ex_regs[8]; // for threaded rendering
114 uint32_t cmd_buffer[CMD_BUFFER_LEN];
115 void *(*get_enhancement_bufer)
116 (int *x, int *y, int *w, int *h, int *vram_h);
117 uint16_t *(*get_downscale_buffer)
118 (int *x, int *y, int *w, int *h, int *vram_h);
119 void *(*mmap)(unsigned int size);
120 void (*munmap)(void *ptr, unsigned int size);
121 void (*gpu_state_change)(int what, int cycles); // psx_gpu_state
124 extern struct psx_gpu gpu;
126 extern const unsigned char cmd_lengths[256];
128 int do_cmd_list(uint32_t *list, int count,
129 int *cycles_sum, int *cycles_last, int *last_cmd);
133 int renderer_init(void);
134 void renderer_finish(void);
135 void renderer_sync_ecmds(uint32_t * ecmds);
136 void renderer_update_caches(int x, int y, int w, int h, int state_changed);
137 void renderer_flush_queues(void);
138 void renderer_set_interlace(int enable, int is_odd);
139 void renderer_set_config(const struct rearmed_cbs *config);
140 void renderer_notify_res_change(void);
141 void renderer_notify_update_lace(int updated);
142 void renderer_sync(void);
143 void renderer_notify_scanout_change(int x, int y);
146 int vout_finish(void);
147 int vout_update(void);
148 void vout_blank(void);
149 void vout_set_config(const struct rearmed_cbs *config);
151 int prim_try_simplify_quad_t (void *simplified, const void *prim);
152 int prim_try_simplify_quad_gt(void *simplified, const void *prim);
154 /* listing these here for correct linkage if rasterizer uses c++ */
158 long GPUshutdown(void);
159 void GPUwriteDataMem(uint32_t *mem, int count);
160 long GPUdmaChain(uint32_t *rambase, uint32_t addr,
161 uint32_t *progress_addr, int32_t *cycles_last_cmd);
162 void GPUwriteData(uint32_t data);
163 void GPUreadDataMem(uint32_t *mem, int count);
164 uint32_t GPUreadData(void);
165 uint32_t GPUreadStatus(void);
166 void GPUwriteStatus(uint32_t data);
167 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
168 void GPUupdateLace(void);
169 long GPUopen(unsigned long *disp, char *cap, char *cfg);
171 void GPUvBlank(int is_vblank, int lcf);
172 void GPUgetScreenInfo(int *y, int *base_hres);
173 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
179 #endif /* __GPULIB_GPU_H__ */