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__
20 #define CMD_BUFFER_LEN 1024
22 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
23 #define HTOLE32(x) __builtin_bswap32(x)
24 #define HTOLE16(x) __builtin_bswap16(x)
25 #define LE32TOH(x) __builtin_bswap32(x)
26 #define LE16TOH(x) __builtin_bswap16(x)
28 #define HTOLE32(x) (x)
29 #define HTOLE16(x) (x)
30 #define LE32TOH(x) (x)
31 #define LE16TOH(x) (x)
34 #define BIT(x) (1 << (x))
36 #define PSX_GPU_STATUS_DHEIGHT BIT(19)
37 #define PSX_GPU_STATUS_PAL BIT(20)
38 #define PSX_GPU_STATUS_RGB24 BIT(21)
39 #define PSX_GPU_STATUS_INTERLACE BIT(22)
40 #define PSX_GPU_STATUS_BLANKING BIT(23)
41 #define PSX_GPU_STATUS_IMG BIT(27)
42 #define PSX_GPU_STATUS_DMA(x) ((x) << 29)
43 #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30))
46 uint32_t cmd_buffer[CMD_BUFFER_LEN];
61 short int offset, is_read;
67 uint32_t old_interlace:1;
68 uint32_t allow_interlace:2;
70 uint32_t enhancement_enable:1;
71 uint32_t enhancement_active:1;
72 uint32_t downscale_enable:1;
73 uint32_t downscale_active:1;
74 uint32_t dims_changed:1;
75 uint32_t *frame_count;
76 uint32_t *hcnt; /* hsync count */
83 uint32_t last_vram_read_frame;
84 uint32_t w_out_old, h_out_old, status_vo_old;
85 int screen_centering_type; // 0 - auto, 1 - game conrolled, 2 - manual
86 int screen_centering_x;
87 int screen_centering_y;
90 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
91 int32_t cnt:3; /* amount skipped in a row */
94 uint32_t frame_ready:1;
98 uint32_t last_flip_frame;
99 uint32_t pending_fill[3];
101 uint32_t scratch_ex_regs[8]; // for threaded rendering
102 void *(*get_enhancement_bufer)
103 (int *x, int *y, int *w, int *h, int *vram_h);
104 uint16_t *(*get_downscale_buffer)
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);
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_update_lace(int updated);
127 void renderer_sync(void);
130 int vout_finish(void);
131 void vout_update(void);
132 void vout_blank(void);
133 void vout_set_config(const struct rearmed_cbs *config);
135 /* listing these here for correct linkage if rasterizer uses c++ */
139 long GPUshutdown(void);
140 void GPUwriteDataMem(uint32_t *mem, int count);
141 long GPUdmaChain(uint32_t *rambase, uint32_t addr, uint32_t *progress_addr);
142 void GPUwriteData(uint32_t data);
143 void GPUreadDataMem(uint32_t *mem, int count);
144 uint32_t GPUreadData(void);
145 uint32_t GPUreadStatus(void);
146 void GPUwriteStatus(uint32_t data);
147 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
148 void GPUupdateLace(void);
149 long GPUopen(void **dpy);
151 void GPUvBlank(int is_vblank, int lcf);
152 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
158 #endif /* __GPULIB_GPU_H__ */