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
23 uint32_t cmd_buffer[CMD_BUFFER_LEN];
29 uint32_t tx:4; // 0 texture page
32 uint32_t tp:2; // 7 t.p. mode (4,8,15bpp)
33 uint32_t dtd:1; // 9 dither
35 uint32_t md:1; // 11 set mask bit when drawing
36 uint32_t me:1; // 12 no draw on mask
38 uint32_t width1:1; // 16
40 uint32_t dheight:1; // 19 double height
41 uint32_t video:1; // 20 NTSC,PAL
43 uint32_t interlace:1; // 22 interlace on
44 uint32_t blanking:1; // 23 display not enabled
46 uint32_t busy:1; // 26 !busy drawing
47 uint32_t img:1; // 27 ready to DMA image data
48 uint32_t com:1; // 28 ready for commands
49 uint32_t dma:2; // 29 off, ?, to vram, from vram
63 short int offset, is_read;
69 uint32_t old_interlace:1;
70 uint32_t allow_interlace:2;
72 uint32_t enhancement_enable:1;
73 uint32_t enhancement_active:1;
74 uint32_t downscale_enable:1;
75 uint32_t downscale_active:1;
76 uint32_t *frame_count;
77 uint32_t *hcnt; /* hsync count */
84 uint32_t last_vram_read_frame;
87 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
88 int32_t cnt:3; /* amount skipped in a row */
91 uint32_t frame_ready:1;
95 uint32_t last_flip_frame;
96 uint32_t pending_fill[3];
98 uint32_t scratch_ex_regs[8]; // for threaded rendering
99 int useDithering:1; /* 0 - off , 1 - on */
100 uint16_t *(*get_enhancement_bufer)
101 (int *x, int *y, int *w, int *h, int *vram_h);
102 uint16_t *(*get_downscale_buffer)
103 (int *x, int *y, int *w, int *h, int *vram_h);
104 void *(*mmap)(unsigned int size);
105 void (*munmap)(void *ptr, unsigned int size);
108 extern struct psx_gpu gpu;
110 extern const unsigned char cmd_lengths[256];
112 int do_cmd_list(uint32_t *list, int count, int *last_cmd);
116 int renderer_init(void);
117 void renderer_finish(void);
118 void renderer_sync_ecmds(uint32_t * ecmds);
119 void renderer_update_caches(int x, int y, int w, int h);
120 void renderer_flush_queues(void);
121 void renderer_set_interlace(int enable, int is_odd);
122 void renderer_set_config(const struct rearmed_cbs *config);
123 void renderer_notify_res_change(void);
124 void renderer_notify_update_lace(int updated);
125 void renderer_sync(void);
128 int vout_finish(void);
129 void vout_update(void);
130 void vout_blank(void);
131 void vout_set_config(const struct rearmed_cbs *config);
133 /* listing these here for correct linkage if rasterizer uses c++ */
137 long GPUshutdown(void);
138 void GPUwriteDataMem(uint32_t *mem, int count);
139 long GPUdmaChain(uint32_t *rambase, uint32_t addr);
140 void GPUwriteData(uint32_t data);
141 void GPUreadDataMem(uint32_t *mem, int count);
142 uint32_t GPUreadData(void);
143 uint32_t GPUreadStatus(void);
144 void GPUwriteStatus(uint32_t data);
145 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
146 void GPUupdateLace(void);
147 long GPUopen(void **dpy);
149 void GPUvBlank(int is_vblank, int lcf);
150 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
156 #endif /* __GPULIB_GPU_H__ */