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 #define BIT(x) (1 << (x))
24 #define PSX_GPU_STATUS_DHEIGHT BIT(19)
25 #define PSX_GPU_STATUS_RGB24 BIT(21)
26 #define PSX_GPU_STATUS_INTERLACE BIT(22)
27 #define PSX_GPU_STATUS_BLANKING BIT(23)
28 #define PSX_GPU_STATUS_IMG BIT(27)
29 #define PSX_GPU_STATUS_DMA(x) ((x) << 29)
30 #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30))
33 uint32_t cmd_buffer[CMD_BUFFER_LEN];
47 short int offset, is_read;
53 uint32_t old_interlace:1;
54 uint32_t allow_interlace:2;
56 uint32_t enhancement_enable:1;
57 uint32_t enhancement_active:1;
58 uint32_t downscale_enable:1;
59 uint32_t downscale_active:1;
60 uint32_t *frame_count;
61 uint32_t *hcnt; /* hsync count */
68 uint32_t last_vram_read_frame;
71 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
72 int32_t cnt:3; /* amount skipped in a row */
75 uint32_t frame_ready:1;
79 uint32_t last_flip_frame;
80 uint32_t pending_fill[3];
82 uint32_t scratch_ex_regs[8]; // for threaded rendering
83 int useDithering:1; /* 0 - off , 1 - on */
84 uint16_t *(*get_enhancement_bufer)
85 (int *x, int *y, int *w, int *h, int *vram_h);
86 uint16_t *(*get_downscale_buffer)
87 (int *x, int *y, int *w, int *h, int *vram_h);
88 void *(*mmap)(unsigned int size);
89 void (*munmap)(void *ptr, unsigned int size);
92 extern struct psx_gpu gpu;
94 extern const unsigned char cmd_lengths[256];
96 int do_cmd_list(uint32_t *list, int count, int *last_cmd);
100 int renderer_init(void);
101 void renderer_finish(void);
102 void renderer_sync_ecmds(uint32_t * ecmds);
103 void renderer_update_caches(int x, int y, int w, int h);
104 void renderer_flush_queues(void);
105 void renderer_set_interlace(int enable, int is_odd);
106 void renderer_set_config(const struct rearmed_cbs *config);
107 void renderer_notify_res_change(void);
108 void renderer_notify_update_lace(int updated);
109 void renderer_sync(void);
112 int vout_finish(void);
113 void vout_update(void);
114 void vout_blank(void);
115 void vout_set_config(const struct rearmed_cbs *config);
117 /* listing these here for correct linkage if rasterizer uses c++ */
121 long GPUshutdown(void);
122 void GPUwriteDataMem(uint32_t *mem, int count);
123 long GPUdmaChain(uint32_t *rambase, uint32_t addr);
124 void GPUwriteData(uint32_t data);
125 void GPUreadDataMem(uint32_t *mem, int count);
126 uint32_t GPUreadData(void);
127 uint32_t GPUreadStatus(void);
128 void GPUwriteStatus(uint32_t data);
129 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
130 void GPUupdateLace(void);
131 long GPUopen(void **dpy);
133 void GPUvBlank(int is_vblank, int lcf);
134 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
140 #endif /* __GPULIB_GPU_H__ */