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d3d10: Add some code for parsing DXBC data.

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Henri Verbeet 2009-02-27 09:29:48 +01:00 committed by Alexandre Julliard
parent 91f5b9a894
commit 46f3102b93
3 changed files with 116 additions and 0 deletions
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10
dlls/d3d10/d3d10_main.c
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@ -2,6 +2,7 @@
* Direct3D 10
*
* Copyright 2007 Andras Kovacs
* Copyright 2009 Henri Verbeet for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -209,6 +210,7 @@ HRESULT WINAPI D3D10CreateEffectFromMemory(void *data, SIZE_T data_size, UINT fl
ID3D10Device *device, ID3D10EffectPool *effect_pool, ID3D10Effect **effect)
{
struct d3d10_effect *object;
HRESULT hr;
FIXME("data %p, data_size %lu, flags %#x, device %p, effect_pool %p, effect %p stub!\n",
data, data_size, flags, device, effect_pool, effect);
@ -223,6 +225,14 @@ HRESULT WINAPI D3D10CreateEffectFromMemory(void *data, SIZE_T data_size, UINT fl
object->vtbl = &d3d10_effect_vtbl;
object->refcount = 1;
hr = d3d10_effect_parse(object, data, data_size);
if (FAILED(hr))
{
ERR("Failed to parse effect\n");
IUnknown_Release((IUnknown *)object);
return hr;
}
*effect = (ID3D10Effect *)object;
TRACE("Created ID3D10Effect %p\n", object);

2
dlls/d3d10/d3d10_private.h
View File

@ -39,6 +39,8 @@ struct d3d10_effect
LONG refcount;
};
HRESULT d3d10_effect_parse(struct d3d10_effect *This, const void *data, SIZE_T data_size);
/* D3D10Core */
HRESULT WINAPI D3D10CoreCreateDevice(IDXGIFactory *factory, IDXGIAdapter *adapter,
UINT flags, DWORD unknown0, ID3D10Device **device);

104
dlls/d3d10/effect.c
View File

@ -24,6 +24,110 @@
WINE_DEFAULT_DEBUG_CHANNEL(d3d10);
#define MAKE_TAG(ch0, ch1, ch2, ch3) \
((DWORD)(ch0) | ((DWORD)(ch1) << 8) | \
((DWORD)(ch2) << 16) | ((DWORD)(ch3) << 24 ))
#define TAG_DXBC MAKE_TAG('D', 'X', 'B', 'C')
static inline void read_dword(const char **ptr, DWORD *d)
{
memcpy(d, *ptr, sizeof(d));
*ptr += sizeof(d);
}
static inline 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 void read_tag(const char **ptr, DWORD *t, char t_str[5])
{
read_dword(ptr, t);
memcpy(t_str, t, 4);
t_str[4] = '\0';
}
static HRESULT parse_dxbc(const char *data, SIZE_T data_size,
HRESULT (*chunk_handler)(const char *data, void *ctx), void *ctx)
{
const char *ptr = data;
HRESULT hr = S_OK;
DWORD chunk_count;
DWORD total_size;
char tag_str[5];
unsigned int i;
DWORD tag;
read_tag(&ptr, &tag, tag_str);
TRACE("tag: %s\n", tag_str);
if (tag != TAG_DXBC)
{
WARN("Wrong tag.\n");
return E_FAIL;
}
/* checksum? */
skip_dword_unknown(&ptr, 4);
skip_dword_unknown(&ptr, 1);
read_dword(&ptr, &total_size);
TRACE("total size: %#x\n", total_size);
read_dword(&ptr, &chunk_count);
TRACE("chunk count: %#x\n", chunk_count);
for (i = 0; i < chunk_count; ++i)
{
DWORD chunk_offset;
read_dword(&ptr, &chunk_offset);
TRACE("chunk %u at offset %#x\n", i, chunk_offset);
hr = chunk_handler(data + chunk_offset, ctx);
if (FAILED(hr)) break;
}
return hr;
}
static HRESULT fx10_chunk_handler(const char *data, void *ctx)
{
const char *ptr = data;
DWORD chunk_size;
char tag_str[5];
DWORD tag;
read_tag(&ptr, &tag, tag_str);
TRACE("tag: %s\n", tag_str);
read_dword(&ptr, &chunk_size);
TRACE("chunk size: %#x\n", chunk_size);
switch(tag)
{
default:
FIXME("Unhandled chunk %s\n", tag_str);
break;
}
return S_OK;
}
HRESULT d3d10_effect_parse(struct d3d10_effect *This, const void *data, SIZE_T data_size)
{
return parse_dxbc(data, data_size, fx10_chunk_handler, This);
}
/* IUnknown methods */
static HRESULT STDMETHODCALLTYPE d3d10_effect_QueryInterface(ID3D10Effect *iface, REFIID riid, void **object)