[pcsx_rearmed.git] / plugins / gpulib / gpu.h

/*
 * (C) Gražvydas "notaz" Ignotas, 2011
 *
 * This work is licensed under the terms of any of these licenses
 * (at your option):
 *  - GNU GPL, version 2 or later.
 *  - GNU LGPL, version 2.1 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef __GPULIB_GPU_H__
#define __GPULIB_GPU_H__

#include <stdint.h>

#define gpu_log(fmt, ...) \
  printf("%d:%03d: " fmt, *gpu.state.frame_count, *gpu.state.hcnt, ##__VA_ARGS__)

//#define log_anomaly gpu_log
#define log_anomaly(...)

#ifdef __cplusplus
extern "C" {
#endif

#define CMD_BUFFER_LEN          1024

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define HTOLE32(x) __builtin_bswap32(x)
#define HTOLE16(x) __builtin_bswap16(x)
#define LE32TOH(x) __builtin_bswap32(x)
#define LE16TOH(x) __builtin_bswap16(x)
#else
#define HTOLE32(x) (x)
#define HTOLE16(x) (x)
#define LE32TOH(x) (x)
#define LE16TOH(x) (x)
#endif

#define BIT(x) (1 << (x))

#define PSX_GPU_STATUS_DHEIGHT		BIT(19)
#define PSX_GPU_STATUS_PAL		BIT(20)
#define PSX_GPU_STATUS_RGB24		BIT(21)
#define PSX_GPU_STATUS_INTERLACE	BIT(22)
#define PSX_GPU_STATUS_BLANKING		BIT(23)
#define PSX_GPU_STATUS_IMG			BIT(27)
#define PSX_GPU_STATUS_DMA(x)		((x) << 29)
#define PSX_GPU_STATUS_DMA_MASK		(BIT(29) | BIT(30))

struct psx_gpu {
  uint32_t cmd_buffer[CMD_BUFFER_LEN];
  uint32_t regs[16];
  uint16_t *vram;
  uint32_t status;
  uint32_t gp0;
  uint32_t ex_regs[8];
  struct {
    int hres, vres;
    int x, y, w, h;
    int x1, x2;
    int y1, y2;
    int src_x, src_y;
  } screen;
  struct {
    int x, y, w, h;
    short int offset, is_read;
  } dma, dma_start;
  int cmd_len;
  uint32_t zero;
  struct {
    uint32_t fb_dirty:1;
    uint32_t old_interlace:1;
    uint32_t allow_interlace:2;
    uint32_t blanked:1;
    uint32_t enhancement_enable:1;
    uint32_t enhancement_active:1;
    uint32_t enhancement_was_active:1;
    uint32_t dims_changed:1;
    uint32_t *frame_count;
    uint32_t *hcnt; /* hsync count */
    struct {
      uint32_t addr;
      uint32_t cycles;
      uint32_t frame;
      uint32_t hcnt;
    } last_list;
    uint32_t last_vram_read_frame;
    uint32_t w_out_old, h_out_old, status_vo_old;
    int screen_centering_type; // 0 - auto, 1 - game conrolled, 2 - manual
    int screen_centering_x;
    int screen_centering_y;
  } state;
  struct {
    int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
    int32_t cnt:3; /* amount skipped in a row */
    uint32_t active:1;
    uint32_t allow:1;
    uint32_t frame_ready:1;
    const int *advice;
    uint32_t last_flip_frame;
    uint32_t pending_fill[3];
  } frameskip;
  void *(*get_enhancement_bufer)
    (int *x, int *y, int *w, int *h, int *vram_h);
  void *(*mmap)(unsigned int size);
  void  (*munmap)(void *ptr, unsigned int size);
};

extern struct psx_gpu gpu;

extern const unsigned char cmd_lengths[256];

int do_cmd_list(uint32_t *list, int count, int *last_cmd);

struct rearmed_cbs;

int  renderer_init(void);
void renderer_finish(void);
void renderer_sync_ecmds(uint32_t * ecmds);
void renderer_update_caches(int x, int y, int w, int h, int state_changed);
void renderer_flush_queues(void);
void renderer_set_interlace(int enable, int is_odd);
void renderer_set_config(const struct rearmed_cbs *config);
void renderer_notify_res_change(void);
void renderer_notify_scanout_x_change(int x, int w);

int  vout_init(void);
int  vout_finish(void);
void vout_update(void);
void vout_blank(void);
void vout_set_config(const struct rearmed_cbs *config);

/* listing these here for correct linkage if rasterizer uses c++ */
struct GPUFreeze;

long GPUinit(void);
long GPUshutdown(void);
void GPUwriteDataMem(uint32_t *mem, int count);
long GPUdmaChain(uint32_t *rambase, uint32_t addr, uint32_t *progress_addr);
void GPUwriteData(uint32_t data);
void GPUreadDataMem(uint32_t *mem, int count);
uint32_t GPUreadData(void);
uint32_t GPUreadStatus(void);
void GPUwriteStatus(uint32_t data);
long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
void GPUupdateLace(void);
long GPUopen(unsigned long *disp, char *cap, char *cfg);
long GPUclose(void);
void GPUvBlank(int is_vblank, int lcf);
void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);

#ifdef __cplusplus
}
#endif

#endif /* __GPULIB_GPU_H__ */
Commit	Line	Data
	1	/*
	2	* (C) Gražvydas "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
	11	#ifndef __GPULIB_GPU_H__
	12	#define __GPULIB_GPU_H__
	13
	14	#include <stdint.h>
	15
	16	#define gpu_log(fmt, ...) \
	17	printf("%d:%03d: " fmt, gpu.state.frame_count, gpu.state.hcnt, ##__VA_ARGS__)
	18
	19	//#define log_anomaly gpu_log
	20	#define log_anomaly(...)
	21
	22	#ifdef __cplusplus
	23	extern "C" {
	24	#endif
	25
	26	#define CMD_BUFFER_LEN 1024
	27
	28	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	29	#define HTOLE32(x) __builtin_bswap32(x)
	30	#define HTOLE16(x) __builtin_bswap16(x)
	31	#define LE32TOH(x) __builtin_bswap32(x)
	32	#define LE16TOH(x) __builtin_bswap16(x)
	33	#else
	34	#define HTOLE32(x) (x)
	35	#define HTOLE16(x) (x)
	36	#define LE32TOH(x) (x)
	37	#define LE16TOH(x) (x)
	38	#endif
	39
	40	#define BIT(x) (1 << (x))
	41
	42	#define PSX_GPU_STATUS_DHEIGHT BIT(19)
	43	#define PSX_GPU_STATUS_PAL BIT(20)
	44	#define PSX_GPU_STATUS_RGB24 BIT(21)
	45	#define PSX_GPU_STATUS_INTERLACE BIT(22)
	46	#define PSX_GPU_STATUS_BLANKING BIT(23)
	47	#define PSX_GPU_STATUS_IMG BIT(27)
	48	#define PSX_GPU_STATUS_DMA(x) ((x) << 29)
	49	#define PSX_GPU_STATUS_DMA_MASK (BIT(29) \| BIT(30))
	50
	51	struct psx_gpu {
	52	uint32_t cmd_buffer[CMD_BUFFER_LEN];
	53	uint32_t regs[16];
	54	uint16_t *vram;
	55	uint32_t status;
	56	uint32_t gp0;
	57	uint32_t ex_regs[8];
	58	struct {
	59	int hres, vres;
	60	int x, y, w, h;
	61	int x1, x2;
	62	int y1, y2;
	63	int src_x, src_y;
	64	} screen;
	65	struct {
	66	int x, y, w, h;
	67	short int offset, is_read;
	68	} dma, dma_start;
	69	int cmd_len;
	70	uint32_t zero;
	71	struct {
	72	uint32_t fb_dirty:1;
	73	uint32_t old_interlace:1;
	74	uint32_t allow_interlace:2;
	75	uint32_t blanked:1;
	76	uint32_t enhancement_enable:1;
	77	uint32_t enhancement_active:1;
	78	uint32_t enhancement_was_active:1;
	79	uint32_t dims_changed:1;
	80	uint32_t *frame_count;
	81	uint32_t hcnt; / hsync count */
	82	struct {
	83	uint32_t addr;
	84	uint32_t cycles;
	85	uint32_t frame;
	86	uint32_t hcnt;
	87	} last_list;
	88	uint32_t last_vram_read_frame;
	89	uint32_t w_out_old, h_out_old, status_vo_old;
	90	int screen_centering_type; // 0 - auto, 1 - game conrolled, 2 - manual
	91	int screen_centering_x;
	92	int screen_centering_y;
	93	} state;
	94	struct {
	95	int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
	96	int32_t cnt:3; /* amount skipped in a row */
	97	uint32_t active:1;
	98	uint32_t allow:1;
	99	uint32_t frame_ready:1;
	100	const int *advice;
	101	uint32_t last_flip_frame;
	102	uint32_t pending_fill[3];
	103	} frameskip;
	104	void (get_enhancement_bufer)
	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);
	108	};
	109
	110	extern struct psx_gpu gpu;
	111
	112	extern const unsigned char cmd_lengths[256];
	113
	114	int do_cmd_list(uint32_t list, int count, int last_cmd);
	115
	116	struct rearmed_cbs;
	117
	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, int state_changed);
	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_scanout_x_change(int x, int w);
	127
	128	int vout_init(void);
	129	int vout_finish(void);
	130	void vout_update(void);
	131	void vout_blank(void);
	132	void vout_set_config(const struct rearmed_cbs *config);
	133
	134	/* listing these here for correct linkage if rasterizer uses c++ */
	135	struct GPUFreeze;
	136
	137	long GPUinit(void);
	138	long GPUshutdown(void);
	139	void GPUwriteDataMem(uint32_t *mem, int count);
	140	long GPUdmaChain(uint32_t rambase, uint32_t addr, uint32_t progress_addr);
	141	void GPUwriteData(uint32_t data);
	142	void GPUreadDataMem(uint32_t *mem, int count);
	143	uint32_t GPUreadData(void);
	144	uint32_t GPUreadStatus(void);
	145	void GPUwriteStatus(uint32_t data);
	146	long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
	147	void GPUupdateLace(void);
	148	long GPUopen(unsigned long disp, char cap, char *cfg);
	149	long GPUclose(void);
	150	void GPUvBlank(int is_vblank, int lcf);
	151	void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
	152
	153	#ifdef __cplusplus
	154	}
	155	#endif
	156
	157	#endif /* __GPULIB_GPU_H__ */