136 lines
2.8 KiB
C
136 lines
2.8 KiB
C
/*
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* Copyright (c) 1993-1995 by Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: brmem.h 1.1 1997/12/10 16:41:16 jon Exp $
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* $Locker: $
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*
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* Brender's interface to memory allocation
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*/
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#ifndef _BRMEM_H_
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#define _BRMEM_H_
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/*
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* Instance of a memory allocator
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*/
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typedef void * BR_CALLBACK brmem_allocate_cbfn(br_size_t size, br_uint_8 type);
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typedef void BR_CALLBACK brmem_free_cbfn(void *block);
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typedef br_size_t BR_CALLBACK brmem_inquire_cbfn(br_uint_8 type);
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typedef br_uint_32 BR_CALLBACK brmem_align_cbfn(br_uint_8 type);
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typedef struct br_allocator {
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char *identifier;
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/*
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* Allocate a new chunk of memory - must return the new pointer
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* or handle the error itself
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*/
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brmem_allocate_cbfn *allocate;
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/*
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* Release previously allocated block
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*/
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brmem_free_cbfn *free;
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/*
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* Inquire as to the amount of memory available for a given type
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*/
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brmem_inquire_cbfn *inquire;
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/*
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* Inquire as to the minimum alignment (in bytes) that allocations
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* of the supplied type will have
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*
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* Assumed to be 1 is this pointer is NULL
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*/
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brmem_align_cbfn *align;
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} br_allocator;
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/*
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* Classes of resource that brender allocates
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*
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* Valid values are 1 to 255
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*/
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enum br_memory_classes {
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/*
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* System classes
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*/
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BR_MEMORY_SCRATCH=1,
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BR_MEMORY_PIXELMAP,
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BR_MEMORY_PIXELS,
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BR_MEMORY_VERTICES,
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BR_MEMORY_FACES,
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BR_MEMORY_GROUPS,
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BR_MEMORY_MODEL,
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BR_MEMORY_MATERIAL,
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BR_MEMORY_MATERIAL_INDEX,
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BR_MEMORY_ACTOR,
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BR_MEMORY_PREPARED_VERTICES,
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BR_MEMORY_PREPARED_FACES,
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BR_MEMORY_LIGHT,
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BR_MEMORY_CAMERA,
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BR_MEMORY_BOUNDS,
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BR_MEMORY_CLIP_PLANE,
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BR_MEMORY_STRING,
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BR_MEMORY_REGISTRY,
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BR_MEMORY_TRANSFORM,
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BR_MEMORY_RESOURCE_CLASS,
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BR_MEMORY_FILE,
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BR_MEMORY_ANCHOR,
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BR_MEMORY_POOL,
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BR_MEMORY_RENDER_MATERIAL,
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BR_MEMORY_DATAFILE,
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BR_MEMORY_IMAGE,
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BR_MEMORY_IMAGE_ARENA,
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BR_MEMORY_IMAGE_SECTIONS,
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BR_MEMORY_IMAGE_NAMES,
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BR_MEMORY_EXCEPTION_HANDLER,
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BR_MEMORY_RENDER_DATA,
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BR_MEMORY_TOKEN,
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BR_MEMORY_TOKEN_MAP,
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BR_MEMORY_OBJECT,
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BR_MEMORY_OBJECT_DATA,
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BR_MEMORY_DRIVER,
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BR_MEMORY_LEXER,
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BR_MEMORY_OBJECT_LIST,
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BR_MEMORY_OBJECT_LIST_ENTRY,
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BR_MEMORY_ENABLED_ACTORS,
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BR_MEMORY_FMT_RESULTS,
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BR_MEMORY_PREPARED_MODEL,
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BR_MEMORY_ORDER_TABLE,
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BR_MEMORY_TOKEN_VALUE,
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BR_MEMORY_TOKEN_TEMPLATE,
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/*
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* Marker for blocks being freed
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*/
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BR_MEMORY_FREE = 0x7f,
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/*
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* Application classes
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*/
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BR_MEMORY_APPLICATION = 0x80,
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/*
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* User defined classed are BR_MEMORY_APPLICATION + 1 ... 127
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*/
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BR_MEMORY_MAX = 256
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};
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/*
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* A resource class structure
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*/
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typedef void BR_CALLBACK br_resourcefree_cbfn(void *res, br_uint_8 res_class, br_size_t size);
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typedef struct br_resource_class {
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br_uint_32 reserved;
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char *identifier;
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br_uint_8 res_class;
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br_resourcefree_cbfn *free_cb;
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br_uint_32 alignment; /* Alignment required for this class - 0 for default */
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} br_resource_class;
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#endif
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