[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>

#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 downscale_enable:1;
    uint32_t downscale_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;
    const int *force;
    int *dirty;
    uint32_t last_flip_frame;
    uint32_t pending_fill[3];
  } frameskip;
  uint32_t scratch_ex_regs[8]; // for threaded rendering
  void *(*get_enhancement_bufer)
    (int *x, int *y, int *w, int *h, int *vram_h);
  uint16_t *(*get_downscale_buffer)
    (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);
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_update_lace(int updated);
void renderer_sync(void);

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(void **dpy);
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	#ifdef __cplusplus
	17	extern "C" {
	18	#endif
	19
	20	#define CMD_BUFFER_LEN 1024
	21
	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)
	27	#else
	28	#define HTOLE32(x) (x)
	29	#define HTOLE16(x) (x)
	30	#define LE32TOH(x) (x)
	31	#define LE16TOH(x) (x)
	32	#endif
	33
	34	#define BIT(x) (1 << (x))
	35
	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))
	44
	45	struct psx_gpu {
	46	uint32_t cmd_buffer[CMD_BUFFER_LEN];
	47	uint32_t regs[16];
	48	uint16_t *vram;
	49	uint32_t status;
	50	uint32_t gp0;
	51	uint32_t ex_regs[8];
	52	struct {
	53	int hres, vres;
	54	int x, y, w, h;
	55	int x1, x2;
	56	int y1, y2;
	57	int src_x, src_y;
	58	} screen;
	59	struct {
	60	int x, y, w, h;
	61	short int offset, is_read;
	62	} dma, dma_start;
	63	int cmd_len;
	64	uint32_t zero;
	65	struct {
	66	uint32_t fb_dirty:1;
	67	uint32_t old_interlace:1;
	68	uint32_t allow_interlace:2;
	69	uint32_t blanked:1;
	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 */
	77	struct {
	78	uint32_t addr;
	79	uint32_t cycles;
	80	uint32_t frame;
	81	uint32_t hcnt;
	82	} last_list;
	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;
	88	} state;
	89	struct {
	90	int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
	91	int32_t cnt:3; /* amount skipped in a row */
	92	uint32_t active:1;
	93	uint32_t allow:1;
	94	uint32_t frame_ready:1;
	95	const int *advice;
	96	const int *force;
	97	int *dirty;
	98	uint32_t last_flip_frame;
	99	uint32_t pending_fill[3];
	100	} frameskip;
	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);
	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);
	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);
	128
	129	int vout_init(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);
	134
	135	/* listing these here for correct linkage if rasterizer uses c++ */
	136	struct GPUFreeze;
	137
	138	long GPUinit(void);
	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);
	150	long GPUclose(void);
	151	void GPUvBlank(int is_vblank, int lcf);
	152	void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
	153
	154	#ifdef __cplusplus
	155	}
	156	#endif
	157
	158	#endif /* __GPULIB_GPU_H__ */