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d3dx8: Implement ID3DXMatrixStack_Push() and ID3DXMatrixStack_Pop().

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Based on a patchset by David Adam.
This commit is contained in:
Henri Verbeet 2008-10-29 16:34:21 +01:00 committed by Alexandre Julliard
parent c5da8d4c3b
commit 32d7bebf7c
1 changed files with 45 additions and 4 deletions
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49
dlls/d3dx8/math.c
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@ -691,15 +691,56 @@ static HRESULT WINAPI ID3DXMatrixStackImpl_MultMatrixLocal(ID3DXMatrixStack *ifa
static HRESULT WINAPI ID3DXMatrixStackImpl_Pop(ID3DXMatrixStack *iface)
{
ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
FIXME("(%p) : stub\n",This);
return E_NOTIMPL;
TRACE("iface %p\n", iface);
/* Popping the last element on the stack returns D3D_OK, but does nothing. */
if (!This->current) return D3D_OK;
if (This->current <= This->stack_size / 4 && This->stack_size >= INITIAL_STACK_SIZE * 2)
{
unsigned int new_size;
D3DXMATRIX *new_stack;
new_size = This->stack_size / 2;
new_stack = HeapReAlloc(GetProcessHeap(), 0, This->stack, new_size * sizeof(D3DXMATRIX));
if (new_stack)
{
This->stack_size = new_size;
This->stack = new_stack;
}
}
--This->current;
return D3D_OK;
}
static HRESULT WINAPI ID3DXMatrixStackImpl_Push(ID3DXMatrixStack *iface)
{
ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
FIXME("(%p) : stub\n",This);
return E_NOTIMPL;
TRACE("iface %p\n", iface);
if (This->current == This->stack_size - 1)
{
unsigned int new_size;
D3DXMATRIX *new_stack;
if (This->stack_size > UINT_MAX / 2) return E_OUTOFMEMORY;
new_size = This->stack_size * 2;
new_stack = HeapReAlloc(GetProcessHeap(), 0, This->stack, new_size * sizeof(D3DXMATRIX));
if (!new_stack) return E_OUTOFMEMORY;
This->stack_size = new_size;
This->stack = new_stack;
}
++This->current;
This->stack[This->current] = This->stack[This->current - 1];
return D3D_OK;
}
static HRESULT WINAPI ID3DXMatrixStackImpl_RotateAxis(ID3DXMatrixStack *iface, CONST D3DXVECTOR3 *pv, FLOAT angle)