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d3dx9_36: Start effect parsing.

This commit is contained in:
Rico Schüller 2011-03-14 22:53:08 +01:00 committed by Alexandre Julliard
parent 29c3c528db
commit 0dc91c4975
1 changed files with 94 additions and 4 deletions
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98
dlls/d3dx9_36/effect.c
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@ -31,8 +31,35 @@ static const struct ID3DXEffectVtbl ID3DXEffect_Vtbl;
typedef struct ID3DXEffectImpl {
ID3DXEffect ID3DXEffect_iface;
LONG ref;
UINT parameter_count;
UINT technique_count;
} ID3DXEffectImpl;
static inline void read_dword(const char **ptr, DWORD *d)
{
memcpy(d, *ptr, sizeof(*d));
*ptr += sizeof(*d);
}
static void skip_dword_unknown(const char **ptr, unsigned int count)
{
unsigned int i;
DWORD d;
FIXME("Skipping %u unknown DWORDs:\n", count);
for (i = 0; i < count; ++i)
{
read_dword(ptr, &d);
FIXME("\t0x%08x\n", d);
}
}
static inline DWORD d3dx9_effect_version(DWORD major, DWORD minor)
{
return (0xfeff0000 | ((major) << 8) | (minor));
}
static inline ID3DXEffectImpl *impl_from_ID3DXEffect(ID3DXEffect *iface)
{
return CONTAINING_RECORD(iface, ID3DXEffectImpl, ID3DXEffect_iface);
@ -853,6 +880,61 @@ static const struct ID3DXEffectVtbl ID3DXEffect_Vtbl =
ID3DXEffectImpl_SetRawValue
};
static HRESULT d3dx9_parse_effect(ID3DXEffectImpl *effect, const char *data, UINT data_size, DWORD start)
{
const char *ptr = data + start;
read_dword(&ptr, &effect->parameter_count);
TRACE("Parameter count: %u\n", effect->parameter_count);
read_dword(&ptr, &effect->technique_count);
TRACE("Technique count: %u\n", effect->technique_count);
skip_dword_unknown(&ptr, 2);
/* todo: Parse parameter */
/* todo: Parse techniques */
return S_OK;
}
static HRESULT d3dx9_effect_init(ID3DXEffectImpl *effect, const char *data, SIZE_T data_size)
{
DWORD tag, offset;
const char *ptr = data;
HRESULT hr;
effect->ID3DXEffect_iface.lpVtbl = &ID3DXEffect_Vtbl;
effect->ref = 1;
read_dword(&ptr, &tag);
TRACE("Tag: %x\n", tag);
if (tag != d3dx9_effect_version(9, 1))
{
/* todo: compile hlsl ascii code */
FIXME("HLSL ascii effects not supported, yet\n");
/* Show the start of the shader for debugging info. */
TRACE("effect:\n%s\n", debugstr_an(data, data_size > 40 ? 40 : data_size));
}
else
{
read_dword(&ptr, &offset);
TRACE("Offset: %x\n", offset);
hr = d3dx9_parse_effect(effect, ptr, data_size, offset);
if (hr != S_OK)
{
FIXME("Failed to parse effect.\n");
return hr;
}
}
return S_OK;
}
HRESULT WINAPI D3DXCreateEffectEx(LPDIRECT3DDEVICE9 device,
LPCVOID srcdata,
UINT srcdatalen,
@ -864,7 +946,8 @@ HRESULT WINAPI D3DXCreateEffectEx(LPDIRECT3DDEVICE9 device,
LPD3DXEFFECT* effect,
LPD3DXBUFFER* compilation_errors)
{
ID3DXEffectImpl* object;
ID3DXEffectImpl *object;
HRESULT hr;
FIXME("(%p, %p, %u, %p, %p, %p, %#x, %p, %p, %p): semi-stub\n", device, srcdata, srcdatalen, defines, include,
skip_constants, flags, pool, effect, compilation_errors);
@ -879,18 +962,25 @@ HRESULT WINAPI D3DXCreateEffectEx(LPDIRECT3DDEVICE9 device,
if (!effect)
return D3D_OK;
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ID3DXEffectImpl));
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
if (!object)
{
ERR("Out of memory\n");
return E_OUTOFMEMORY;
}
object->ID3DXEffect_iface.lpVtbl = &ID3DXEffect_Vtbl;
object->ref = 1;
hr = d3dx9_effect_init(object, srcdata, srcdatalen);
if (FAILED(hr))
{
WARN("Failed to initialize shader reflection\n");
HeapFree(GetProcessHeap(), 0, object);
return hr;
}
*effect = &object->ID3DXEffect_iface;
TRACE("Created ID3DXEffect %p\n", object);
return D3D_OK;
}