HRESULT CreateD3D9(OUT LPDIRECT3D9 *ppDirect3D9, UINT SDKVersion)
{
LPDIRECT3D9_INT pDirect3D9;
if (ppDirect3D9 == 0)
return DDERR_INVALIDPARAMS;
if (AlignedAlloc((LPVOID *)&pDirect3D9, sizeof(DIRECT3D9_INT)) != S_OK)
return DDERR_OUTOFMEMORY;
if (pDirect3D9 == 0)
return DDERR_OUTOFMEMORY;
pDirect3D9->lpVtbl = &Direct3D9_Vtbl;
pDirect3D9->dwProcessId = GetCurrentThreadId();
pDirect3D9->lRefCnt = 1;
pDirect3D9->SDKVersion = SDKVersion;
pDirect3D9->lpInt = pDirect3D9;
pDirect3D9->unknown000007 = 1;
InitializeCriticalSection(&pDirect3D9->d3d9_cs);
if (FALSE == GetDisplayDeviceInfo(pDirect3D9))
{
DPRINT1("Could not create Direct3D9 object");
AlignedFree(pDirect3D9);
return DDERR_GENERIC;
}
*ppDirect3D9 = (LPDIRECT3D9)&pDirect3D9->lpVtbl;
return D3D_OK;
}
static int CreatePack(lua_State *L, int arg, size_t alignment)
{
int err;
char *ptr;
int type = checktype(L, arg);
size_t n = toflattable(L, arg+1);
size_t size = n * sizeoftype(type);
if(size == 0)
return luaL_argerror(L, arg+1, errstring(ERR_LENGTH));
ptr = (char*)AlignedAlloc(alignment, size);
if(!ptr)
return luaL_error(L, "failed to allocate page aligned memory");
err = testdata(L, type, n, ptr, size);
if(err)
{
free(ptr);
return luaL_argerror(L, arg+1, errstring(err));
}
CreateAllocated(L, ptr, size);
return 1;
}
static int Create(lua_State *L, int arg, size_t alignment)
{
const char *data = NULL;
char *ptr;
size_t size;
if(lua_type(L, arg) == LUA_TSTRING)
{
if(!lua_isnoneornil(L, arg+1))
return CreatePack(L, arg, alignment);
data = luaL_checklstring(L, arg, &size);
if(size == 0)
return luaL_argerror(L, arg, errstring(ERR_LENGTH));
}
else
{
size = luaL_checkinteger(L, arg);
if(size == 0)
return luaL_argerror(L, arg, errstring(ERR_VALUE));
}
ptr = (char*)AlignedAlloc(alignment, size); // (char*)Malloc(L, size);
if(!ptr)
return luaL_error(L, "failed to allocate page aligned memory");
if(data)
memcpy(ptr, data, size);
else
memset(ptr, 0, size);
CreateAllocated(L, ptr, size);
return 1;
}
void IntelH264Decoder::CreateWorkSurface(mfxFrameSurface1& surf)
{
// Setup the "work surface". I don't understand why doesn't do this itself (malloc control is all I can assume).
memset(&surf, 0, sizeof(surf));
surf.Info = VideoParam.mfx.FrameInfo;
surf.Info.FourCC = MFX_FOURCC_NV12; // IMSDK docs say NV12 is "Native Format" for IMSDK
surf.Data.PitchLow = RoundUp(VideoParam.mfx.FrameInfo.Width, 64);
surf.Data.Y = (mfxU8 *) AlignedAlloc(surf.Data.PitchLow * RoundUp(VideoParam.mfx.FrameInfo.Height, 64) * 3 / 2, 16);
surf.Data.UV = surf.Data.Y + (surf.Data.PitchLow * RoundUp(VideoParam.mfx.FrameInfo.Height, 64));
}
// Test that dynamic allocation works as expected.
TEST(AlignedMemoryTest, DynamicAllocation)
{
void *p = AlignedAlloc(8, 8);
EXPECT_TRUE(p);
EXPECT_ALIGNED(p, 8);
AlignedFree(p);
p = AlignedAlloc(8, 16);
EXPECT_TRUE(p);
EXPECT_ALIGNED(p, 16);
AlignedFree(p);
p = AlignedAlloc(8, 256);
EXPECT_TRUE(p);
EXPECT_ALIGNED(p, 256);
AlignedFree(p);
p = AlignedAlloc(8, 4096);
EXPECT_TRUE(p);
EXPECT_ALIGNED(p, 4096);
AlignedFree(p);
}
long *AlignedAllocLong(size_t lg)
{
long *r;
AlignedAlloc(&r, lg);
return r;
}
int *AlignedAllocInt(size_t lg)
{
int *r;
AlignedAlloc(&r, lg);
return r;
}
real_t *AlignedAllocReal(size_t lg)
{
real_t *r;
AlignedAlloc(&r, lg);
return r;
}
