d3d10: Add an initial effect parser.
This commit is contained in:
Henri Verbeet
Alexandre Julliard
parent
46f3102b93
commit
04ad995cf6
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@ -1,5 +1,5 @@
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/*
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* Copyright 2008 Henri Verbeet for CodeWeavers
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* Copyright 2008-2009 Henri Verbeet for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -31,12 +31,46 @@
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/* TRACE helper functions */
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const char *debug_d3d10_driver_type(D3D10_DRIVER_TYPE driver_type);
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enum d3d10_effect_variable_type
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{
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D3D10_EVT_VERTEXSHADER = 6,
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D3D10_EVT_PIXELSHADER = 7,
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D3D10_EVT_GEOMETRYSHADER = 8,
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};
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struct d3d10_effect_variable
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{
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enum d3d10_effect_variable_type type;
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DWORD idx_offset;
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};
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struct d3d10_effect_pass
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{
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char *name;
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DWORD start;
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DWORD variable_count;
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struct d3d10_effect_variable *variables;
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};
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struct d3d10_effect_technique
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{
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char *name;
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DWORD start;
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DWORD pass_count;
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struct d3d10_effect_pass *passes;
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};
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/* ID3D10Effect */
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extern const struct ID3D10EffectVtbl d3d10_effect_vtbl;
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struct d3d10_effect
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{
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const struct ID3D10EffectVtbl *vtbl;
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LONG refcount;
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DWORD technique_count;
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DWORD index_offset;
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DWORD blendstate_count;
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struct d3d10_effect_technique *techniques;
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};
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HRESULT d3d10_effect_parse(struct d3d10_effect *This, const void *data, SIZE_T data_size);
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@ -28,6 +28,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3d10);
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((DWORD)(ch0) | ((DWORD)(ch1) << 8) | \
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((DWORD)(ch2) << 16) | ((DWORD)(ch3) << 24 ))
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#define TAG_DXBC MAKE_TAG('D', 'X', 'B', 'C')
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#define TAG_FX10 MAKE_TAG('F', 'X', '1', '0')
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static inline void read_dword(const char **ptr, DWORD *d)
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{
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@ -100,7 +101,69 @@ static HRESULT parse_dxbc(const char *data, SIZE_T data_size,
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return hr;
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}
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static HRESULT fx10_chunk_handler(const char *data, void *ctx)
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static HRESULT parse_fx10_pass_index(struct d3d10_effect_pass *p, const char **ptr)
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{
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unsigned int i;
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read_dword(ptr, &p->start);
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TRACE("Pass starts at offset %#x\n", p->start);
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read_dword(ptr, &p->variable_count);
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TRACE("Pass has %u variables\n", p->variable_count);
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skip_dword_unknown(ptr, 1);
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p->variables = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, p->variable_count * sizeof(*p->variables));
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if (!p->variables)
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{
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ERR("Failed to allocate variables memory\n");
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return E_OUTOFMEMORY;
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}
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for (i = 0; i < p->variable_count; ++i)
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{
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read_dword(ptr, &p->variables[i].type);
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TRACE("Variable %u is of type %#x\n", i, p->variables[i].type);
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skip_dword_unknown(ptr, 2);
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read_dword(ptr, &p->variables[i].idx_offset);
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TRACE("Variable %u idx is at offset %#x\n", i, p->variables[i].idx_offset);
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}
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return S_OK;
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}
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static HRESULT parse_fx10_technique_index(struct d3d10_effect_technique *t, const char **ptr)
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{
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HRESULT hr = S_OK;
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unsigned int i;
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read_dword(ptr, &t->start);
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TRACE("Technique starts at offset %#x\n", t->start);
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read_dword(ptr, &t->pass_count);
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TRACE("Technique has %u passes\n", t->pass_count);
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skip_dword_unknown(ptr, 1);
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t->passes = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, t->pass_count * sizeof(*t->passes));
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if (!t->passes)
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{
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ERR("Failed to allocate passes memory\n");
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return E_OUTOFMEMORY;
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}
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for (i = 0; i < t->pass_count; ++i)
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{
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hr = parse_fx10_pass_index(&t->passes[i], ptr);
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if (FAILED(hr)) break;
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}
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return hr;
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}
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static HRESULT shader_chunk_handler(const char *data, void *ctx)
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{
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const char *ptr = data;
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DWORD chunk_size;
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@ -123,11 +186,256 @@ static HRESULT fx10_chunk_handler(const char *data, void *ctx)
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return S_OK;
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}
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static HRESULT parse_shader(struct d3d10_effect_variable *v, const char *data)
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{
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const char *ptr = data;
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DWORD dxbc_size;
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read_dword(&ptr, &dxbc_size);
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TRACE("dxbc size: %#x\n", dxbc_size);
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return parse_dxbc(ptr, dxbc_size, shader_chunk_handler, v);
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}
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static HRESULT parse_fx10_variable(struct d3d10_effect_variable *v, const char *data)
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{
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const char *ptr;
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DWORD offset;
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HRESULT hr;
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ptr = data + v->idx_offset;
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read_dword(&ptr, &offset);
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TRACE("Variable of type %#x starts at offset %#x\n", v->type, offset);
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/* FIXME: This probably isn't completely correct. */
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if (offset == 1)
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{
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WARN("Skipping variable\n");
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return S_OK;
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}
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ptr = data + offset;
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switch (v->type)
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{
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case D3D10_EVT_VERTEXSHADER:
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TRACE("Vertex shader\n");
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hr = parse_shader(v, ptr);
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break;
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case D3D10_EVT_PIXELSHADER:
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TRACE("Pixel shader\n");
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hr = parse_shader(v, ptr);
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break;
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case D3D10_EVT_GEOMETRYSHADER:
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TRACE("Geometry shader\n");
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hr = parse_shader(v, ptr);
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break;
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default:
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FIXME("Unhandled variable type %#x\n", v->type);
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hr = E_FAIL;
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break;
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}
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return hr;
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}
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static HRESULT parse_fx10_pass(struct d3d10_effect_pass *p, const char *data)
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{
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HRESULT hr = S_OK;
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const char *ptr;
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size_t name_len;
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unsigned int i;
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ptr = data + p->start;
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name_len = strlen(ptr) + 1;
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p->name = HeapAlloc(GetProcessHeap(), 0, name_len);
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if (!p->name)
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{
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ERR("Failed to allocate name memory\n");
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return E_OUTOFMEMORY;
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}
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memcpy(p->name, ptr, name_len);
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ptr += name_len;
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TRACE("pass name: %s\n", p->name);
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for (i = 0; i < p->variable_count; ++i)
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{
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hr = parse_fx10_variable(&p->variables[i], data);
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if (FAILED(hr)) break;
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}
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return hr;
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}
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static HRESULT parse_fx10_technique(struct d3d10_effect_technique *t, const char *data)
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{
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HRESULT hr = S_OK;
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const char *ptr;
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size_t name_len;
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unsigned int i;
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ptr = data + t->start;
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name_len = strlen(ptr) + 1;
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t->name = HeapAlloc(GetProcessHeap(), 0, name_len);
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if (!t->name)
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{
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ERR("Failed to allocate name memory\n");
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return E_OUTOFMEMORY;
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}
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memcpy(t->name, ptr, name_len);
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ptr += name_len;
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TRACE("technique name: %s\n", t->name);
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for (i = 0; i < t->pass_count; ++i)
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{
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hr = parse_fx10_pass(&t->passes[i], data);
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if (FAILED(hr)) break;
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}
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return hr;
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}
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static HRESULT parse_fx10_body(struct d3d10_effect *e, const char *data, DWORD data_size)
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{
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const char *ptr = data + e->index_offset;
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HRESULT hr = S_OK;
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unsigned int i;
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skip_dword_unknown(&ptr, 6);
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e->techniques = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, e->technique_count * sizeof(*e->techniques));
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if (!e->techniques)
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{
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ERR("Failed to allocate techniques memory\n");
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return E_OUTOFMEMORY;
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}
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for (i = 0; i < e->technique_count; ++i)
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{
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struct d3d10_effect_technique *t = &e->techniques[i];
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hr = parse_fx10_technique_index(t, &ptr);
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if (FAILED(hr)) break;
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hr = parse_fx10_technique(t, data);
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if (FAILED(hr)) break;
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}
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return hr;
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}
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static HRESULT parse_fx10(struct d3d10_effect *e, const char *data, DWORD data_size)
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{
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const char *ptr = data;
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DWORD unknown;
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/* version info? */
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skip_dword_unknown(&ptr, 2);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 0: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 1: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 2: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 3: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 4: %u\n", unknown);
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read_dword(&ptr, &e->technique_count);
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TRACE("Technique count: %u\n", e->technique_count);
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read_dword(&ptr, &e->index_offset);
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TRACE("Index offset: %#x\n", e->index_offset);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 5: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 6: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 7: %u\n", unknown);
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read_dword(&ptr, &e->blendstate_count);
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TRACE("Blendstate count: %u\n", e->blendstate_count);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 8: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 9: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 10: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 11: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 12: %u\n", unknown);
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read_dword(&ptr, &unknown);
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FIXME("Unknown 13: %u\n", unknown);
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return parse_fx10_body(e, ptr, data_size - (ptr - data));
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}
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static HRESULT fx10_chunk_handler(const char *data, void *ctx)
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{
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struct d3d10_effect *e = ctx;
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const char *ptr = data;
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DWORD chunk_size;
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char tag_str[5];
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DWORD tag;
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read_tag(&ptr, &tag, tag_str);
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TRACE("tag: %s\n", tag_str);
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read_dword(&ptr, &chunk_size);
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TRACE("chunk size: %#x\n", chunk_size);
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switch(tag)
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{
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case TAG_FX10:
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parse_fx10(e, ptr, chunk_size);
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break;
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default:
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FIXME("Unhandled chunk %s\n", tag_str);
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break;
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}
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return S_OK;
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}
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HRESULT d3d10_effect_parse(struct d3d10_effect *This, const void *data, SIZE_T data_size)
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{
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return parse_dxbc(data, data_size, fx10_chunk_handler, This);
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}
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static void d3d10_effect_pass_destroy(struct d3d10_effect_pass *p)
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{
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HeapFree(GetProcessHeap(), 0, p->name);
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HeapFree(GetProcessHeap(), 0, p->variables);
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}
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static void d3d10_effect_technique_destroy(struct d3d10_effect_technique *t)
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{
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HeapFree(GetProcessHeap(), 0, t->name);
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if (t->passes)
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{
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unsigned int i;
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for (i = 0; i < t->pass_count; ++i)
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{
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d3d10_effect_pass_destroy(&t->passes[i]);
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}
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HeapFree(GetProcessHeap(), 0, t->passes);
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}
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}
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/* IUnknown methods */
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static HRESULT STDMETHODCALLTYPE d3d10_effect_QueryInterface(ID3D10Effect *iface, REFIID riid, void **object)
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@ -167,6 +475,15 @@ static ULONG STDMETHODCALLTYPE d3d10_effect_Release(ID3D10Effect *iface)
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if (!refcount)
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{
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if (This->techniques)
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{
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unsigned int i;
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for (i = 0; i < This->technique_count; ++i)
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{
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d3d10_effect_technique_destroy(&This->techniques[i]);
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}
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HeapFree(GetProcessHeap(), 0, This->techniques);
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}
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HeapFree(GetProcessHeap(), 0, This);
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}
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