Get rid of bit fields in union
[pcsx_rearmed.git] / plugins / gpulib / gpu.h
CommitLineData
56f08d83 1/*
2 * (C) GraÅžvydas "notaz" Ignotas, 2011
3 *
4 * This work is licensed under the terms of any of these licenses
5 * (at your option):
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.
9 */
10
908e426c 11#ifndef __GPULIB_GPU_H__
12#define __GPULIB_GPU_H__
13
56f08d83 14#include <stdint.h>
15
6f2ee2be 16#ifdef __cplusplus
17extern "C" {
18#endif
19
56f08d83 20#define CMD_BUFFER_LEN 1024
21
61124a6d
PC
22#define BIT(x) (1 << (x))
23
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))
31
56f08d83 32struct psx_gpu {
56f08d83 33 uint32_t cmd_buffer[CMD_BUFFER_LEN];
34 uint32_t regs[16];
9ee0fd5b 35 uint16_t *vram;
61124a6d 36 uint32_t status;
6e9bdaef 37 uint32_t gp0;
38 uint32_t ex_regs[8];
56f08d83 39 struct {
8dd855cd 40 int hres, vres;
56f08d83 41 int x, y, w, h;
8dd855cd 42 int x1, x2;
56f08d83 43 int y1, y2;
44 } screen;
45 struct {
46 int x, y, w, h;
05740673 47 short int offset, is_read;
48 } dma, dma_start;
56f08d83 49 int cmd_len;
56f08d83 50 uint32_t zero;
fc84f618 51 struct {
52 uint32_t fb_dirty:1;
5440b88e 53 uint32_t old_interlace:1;
54 uint32_t allow_interlace:2;
aafcb4dd 55 uint32_t blanked:1;
0b02eb77 56 uint32_t enhancement_enable:1;
57 uint32_t enhancement_active:1;
43047988
JW
58 uint32_t downscale_enable:1;
59 uint32_t downscale_active:1;
3ece2f0c 60 uint32_t *frame_count;
61 uint32_t *hcnt; /* hsync count */
deb18d24 62 struct {
63 uint32_t addr;
1c72b1c2 64 uint32_t cycles;
deb18d24 65 uint32_t frame;
66 uint32_t hcnt;
67 } last_list;
5440b88e 68 uint32_t last_vram_read_frame;
fc84f618 69 } state;
70 struct {
9fe27e25 71 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
72 int32_t cnt:3; /* amount skipped in a row */
fc84f618 73 uint32_t active:1;
fb4c6fba 74 uint32_t allow:1;
fc84f618 75 uint32_t frame_ready:1;
76 const int *advice;
5eaa13f1
A
77 const int *force;
78 int *dirty;
fb4c6fba 79 uint32_t last_flip_frame;
fbb4bfff 80 uint32_t pending_fill[3];
fc84f618 81 } frameskip;
c765eb86 82 uint32_t scratch_ex_regs[8]; // for threaded rendering
5c1cbedc 83 int useDithering:1; /* 0 - off , 1 - on */
a8be0deb 84 uint16_t *(*get_enhancement_bufer)
fa56d360 85 (int *x, int *y, int *w, int *h, int *vram_h);
43047988
JW
86 uint16_t *(*get_downscale_buffer)
87 (int *x, int *y, int *w, int *h, int *vram_h);
9ee0fd5b 88 void *(*mmap)(unsigned int size);
89 void (*munmap)(void *ptr, unsigned int size);
56f08d83 90};
91
92extern struct psx_gpu gpu;
93
94extern const unsigned char cmd_lengths[256];
95
b243416b 96int do_cmd_list(uint32_t *list, int count, int *last_cmd);
56f08d83 97
914455e6 98struct rearmed_cbs;
99
9394ada5 100int renderer_init(void);
e929dec5 101void renderer_finish(void);
5b745e5b 102void renderer_sync_ecmds(uint32_t * ecmds);
05740673 103void renderer_update_caches(int x, int y, int w, int h);
9394ada5 104void renderer_flush_queues(void);
5440b88e 105void renderer_set_interlace(int enable, int is_odd);
914455e6 106void renderer_set_config(const struct rearmed_cbs *config);
e929dec5 107void renderer_notify_res_change(void);
c765eb86
JW
108void renderer_notify_update_lace(int updated);
109void renderer_sync(void);
9394ada5 110
5440b88e 111int vout_init(void);
112int vout_finish(void);
113void vout_update(void);
aafcb4dd 114void vout_blank(void);
5440b88e 115void vout_set_config(const struct rearmed_cbs *config);
6f2ee2be 116
096ec49b 117/* listing these here for correct linkage if rasterizer uses c++ */
118struct GPUFreeze;
096ec49b 119
120long GPUinit(void);
121long GPUshutdown(void);
122void GPUwriteDataMem(uint32_t *mem, int count);
123long GPUdmaChain(uint32_t *rambase, uint32_t addr);
124void GPUwriteData(uint32_t data);
125void GPUreadDataMem(uint32_t *mem, int count);
126uint32_t GPUreadData(void);
127uint32_t GPUreadStatus(void);
128void GPUwriteStatus(uint32_t data);
129long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
130void GPUupdateLace(void);
131long GPUopen(void **dpy);
132long GPUclose(void);
72e5023f 133void GPUvBlank(int is_vblank, int lcf);
096ec49b 134void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
135
6f2ee2be 136#ifdef __cplusplus
137}
138#endif
908e426c 139
140#endif /* __GPULIB_GPU_H__ */