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#ifndef _NT_BLITTER_H_
#define _NT_BLITTER_H_
#include "nt_abi.h"
#include "nt_object.h"
/* blt_alloc flag bits */
#define NT_BLITTER_ENABLE_BLOCK_ARRAY 0x01
#define NT_BLITTER_ENABLE_BLOCK_SECTIONS 0x02
#define NT_BLITTER_ENABLE_CACHE 0x04
#define NT_BLITTER_PRESERVE_BITS 0x08
/* blitter query type bits */
#define NT_BLITTER_QUERY_INFO 0x01
#define NT_BLITTER_QUERY_PARAMS 0x02
/* blitter context (opaque) */
typedef struct nt_blitter_context nt_blitter;
typedef struct _nt_blitter_params {
size_t params_size;
size_t block_size;
intptr_t block_count;
intptr_t cache_blocks_min; __optional
intptr_t cache_blocks_max; __optional
size_t zero_bits; __optional
uint32_t srvtid; __optional
uint32_t flags; __optional
int32_t lock_tries; __optional
uint32_t round_trips; __optional
void * hsignal_blt; __optional
void * hsignal_app; __optional
void * bitmap; __optional
void * region; __optional
} nt_blitter_params;
typedef struct _nt_blitter_info {
size_t info_size;
void * region_addr;
size_t region_size;
size_t block_size;
intptr_t block_count;
intptr_t blocks_used;
intptr_t blocks_avail;
intptr_t blocks_cached;
intptr_t lock_tries;
intptr_t busy;
} nt_blitter_info;
typedef struct _nt_blitter_query {
size_t size;
int32_t type;
uint32_t flags;
nt_blitter_params * params;
nt_blitter_info * info;
} nt_blitter_query;
typedef struct _nt_blitter_config {
size_t size;
int32_t type;
uint32_t flags;
nt_blitter_params * params;
} nt_blitter_config;
/* blitter functions */
typedef int32_t __fastcall ntapi_blt_alloc(
__out nt_blitter ** blitter,
__in nt_blitter_params * params);
typedef int32_t __fastcall ntapi_blt_free(
__in nt_blitter * blitter);
typedef int32_t __fastcall ntapi_blt_query(
__in nt_blitter * blitter,
__in nt_blitter_query * blt_query);
typedef int32_t __fastcall ntapi_blt_config(
__in nt_blitter * blitter,
__in nt_blitter_config * blt_config);
typedef int32_t __fastcall ntapi_blt_acquire(
__in nt_blitter * blitter,
__out intptr_t * block_id);
typedef int32_t __fastcall ntapi_blt_obtain(
__in nt_blitter * blitter,
__out intptr_t * block_id);
typedef int32_t __fastcall ntapi_blt_possess(
__in nt_blitter * blitter,
__out intptr_t * block_id);
typedef int32_t __fastcall ntapi_blt_release(
__in nt_blitter * blitter,
__in intptr_t block_id);
typedef void * __fastcall ntapi_blt_region(
__in const nt_blitter * blitter);
/**
* blt_get,blt_set:
* clients might prefr to write inlined
* alternatives that use a cached blt_region.
**/
typedef void * __fastcall ntapi_blt_get(
__in const nt_blitter * blitter,
__in intptr_t block_id);
typedef void __fastcall ntapi_blt_set(
__in const nt_blitter * blitter,
__in intptr_t block_id,
__in void * val);
#endif
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