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memory heap starting to work

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This commit is contained in:
aap
2020-11-25 22:49:50 +01:00
parent 88baa9ce5f
commit 4ddc356341
8 changed files with 74 additions and 16 deletions
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32
src/fakerw/fake.cpp
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@ -16,9 +16,14 @@ using namespace rw;
RwUInt8 RwObjectGetType(const RwObject *obj) { return obj->type; }
void *RwMalloc(size_t size) { return malloc(size); }
void *RwCalloc(size_t numObj, size_t sizeObj) { return calloc(numObj, sizeObj); }
void RwFree(void *mem) { free(mem); }
void *RwMalloc(size_t size) { return engine->memfuncs.rwmalloc(size, 0); }
void *RwCalloc(size_t numObj, size_t sizeObj) {
void *mem = RwMalloc(numObj*sizeObj);
if(mem)
memset(mem, 0, numObj*sizeObj);
return mem;
}
void RwFree(void *mem) { engine->memfuncs.rwfree(mem); }
//RwReal RwV3dNormalize(RwV3d * out, const RwV3d * in);
@ -536,8 +541,27 @@ RwBool RwRenderStateSet(RwRenderState state, void *value)
}
}
static rw::MemoryFunctions gMemfuncs;
static void *(*real_malloc)(size_t size);
static void *(*real_realloc)(void *mem, size_t newSize);
static void *mallocWrap(size_t sz, uint32 hint) { if(sz == 0) return nil; return real_malloc(sz); }
static void *reallocWrap(void *p, size_t sz, uint32 hint) { return real_realloc(p, sz); }
// WARNING: unused parameters
RwBool RwEngineInit(RwMemoryFunctions *memFuncs, RwUInt32 initFlags, RwUInt32 resArenaSize) { Engine::init(); return true; }
RwBool RwEngineInit(RwMemoryFunctions *memFuncs, RwUInt32 initFlags, RwUInt32 resArenaSize) {
if(memFuncs){
real_malloc = memFuncs->rwmalloc;
real_realloc = memFuncs->rwrealloc;
gMemfuncs.rwmalloc = mallocWrap;
gMemfuncs.rwrealloc = reallocWrap;
gMemfuncs.rwfree = memFuncs->rwfree;
Engine::init(&gMemfuncs);
}else{
Engine::init(nil);
}
return true;
}
// TODO: this is platform dependent
RwBool RwEngineOpen(RwEngineOpenParams *initParams) {
static EngineOpenParams openParams;

6
src/fakerw/rwplcore.h
View File

@ -141,15 +141,15 @@ RwUInt8 RwObjectGetType(const RwObject *obj);
***********************************************
*/
struct RwMemoryFunctions;
/*
struct RwMemoryFunctions
{
// NB: from RW 3.6 on the allocating functions take
// a hint parameter!
void *(*rwmalloc)(size_t size);
void (*rwfree)(void *mem);
void *(*rwrealloc)(void *mem, size_t newSize);
void *(*rwcalloc)(size_t numObj, size_t sizeObj);
};
*/
void *RwMalloc(size_t size);
void RwFree(void *mem);