X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fmm.h;h=df340808ac9f81df9050f52a0aab0917cd7f7463;hb=f0c32629276a0bf33eed5ba519e3536061e239ad;hp=33c986b4c7d5cab5012a9641c183d5df761ee797;hpb=1c236fd5c734b7388d7625ce8c3d4b2d6da9fcfb;p=mesa.git diff --git a/src/mesa/main/mm.h b/src/mesa/main/mm.h index 33c986b4c7d..df340808ac9 100644 --- a/src/mesa/main/mm.h +++ b/src/mesa/main/mm.h @@ -1,6 +1,6 @@ /* * GLX Hardware Device Driver common code - * Copyright (C) 1999 Keith Whitwell + * Copyright (C) 1999 Wittawat Yamwong * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -35,45 +35,23 @@ #include "imports.h" -struct mem_block_t { - struct mem_block_t *next; - struct mem_block_t *heap; - int ofs,size; - int align; - unsigned int free:1; - unsigned int reserved:1; +struct mem_block { + struct mem_block *next, *prev; + struct mem_block *next_free, *prev_free; + struct mem_block *heap; + unsigned ofs; + unsigned size; + unsigned free:1; + unsigned reserved:1; }; -typedef struct mem_block_t TMemBlock; - -typedef struct mem_block_t *PMemBlock; - -/* a heap is just the first block in a chain */ -typedef struct mem_block_t memHeap_t; - - -/* XXX are these needed? */ -#if 0 -static INLINE int -mmBlockSize(PMemBlock b) -{ - return b->size; -} - -static INLINE int -mmOffset(PMemBlock b) -{ - return b->ofs; -} -#endif - /** * input: total size in bytes * return: a heap pointer if OK, NULL if error */ -extern memHeap_t *mmInit(int ofs, int size); +extern struct mem_block *mmInit(unsigned ofs, unsigned size); /** * Allocate 'size' bytes with 2^align2 bytes alignment, @@ -85,31 +63,31 @@ extern memHeap_t *mmInit(int ofs, int size); * startSearch = linear offset from start of heap to begin search * return: pointer to the allocated block, 0 if error */ -extern PMemBlock mmAllocMem(memHeap_t *heap, int size, int align2, - int startSearch); +extern struct mem_block *mmAllocMem(struct mem_block *heap, unsigned size, + unsigned align2, unsigned startSearch); /** * Free block starts at offset * input: pointer to a block * return: 0 if OK, -1 if error */ -extern int mmFreeMem(PMemBlock b); +extern int mmFreeMem(struct mem_block *b); /** * Free block starts at offset * input: pointer to a heap, start offset * return: pointer to a block */ -extern PMemBlock mmFindBlock(memHeap_t *heap, int start); +extern struct mem_block *mmFindBlock(struct mem_block *heap, unsigned start); /** * destroy MM */ -extern void mmDestroy(memHeap_t *mmInit); +extern void mmDestroy(struct mem_block *mmInit); /** * For debuging purpose. */ -extern void mmDumpMemInfo(const memHeap_t *mmInit); +extern void mmDumpMemInfo(const struct mem_block *mmInit); #endif