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d3dx9: Generate effect instances from materials for mesh loading.

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Dylan Smith 2011-06-06 12:54:01 -04:00 committed by Alexandre Julliard
parent 0e0581834c
commit f5da523aef
2 changed files with 111 additions and 5 deletions
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2
dlls/d3dx9_36/d3dx9_36_private.h
View file

@ -30,6 +30,8 @@
#include "winuser.h"
#include "d3dx9.h"
#define ARRAY_SIZE(array) (sizeof(array)/sizeof(*array))
/* for internal use */
typedef enum _FormatType {
FORMAT_ARGB, /* unsigned */

114
dlls/d3dx9_36/mesh.c
View file

@ -27,6 +27,7 @@
#define COBJMACROS
#define NONAMELESSUNION
#include <assert.h>
#include "windef.h"
#include "wingdi.h"
#include "d3dx9.h"
@ -2267,6 +2268,103 @@ truncated_data_error:
return E_FAIL;
}
static HRESULT generate_effects(ID3DXBuffer *materials, DWORD num_materials,
ID3DXBuffer **effects)
{
HRESULT hr;
D3DXEFFECTINSTANCE *effect_ptr;
BYTE *out_ptr;
const D3DXMATERIAL *material_ptr = ID3DXBuffer_GetBufferPointer(materials);
static const struct {
const char *param_name;
DWORD name_size;
DWORD num_bytes;
DWORD value_offset;
} material_effects[] = {
#define EFFECT_TABLE_ENTRY(str, field) \
{str, sizeof(str), sizeof(material_ptr->MatD3D.field), offsetof(D3DXMATERIAL, MatD3D.field)}
EFFECT_TABLE_ENTRY("Diffuse", Diffuse),
EFFECT_TABLE_ENTRY("Power", Power),
EFFECT_TABLE_ENTRY("Specular", Specular),
EFFECT_TABLE_ENTRY("Emissive", Emissive),
EFFECT_TABLE_ENTRY("Ambient", Ambient),
#undef EFFECT_TABLE_ENTRY
};
static const char texture_paramname[] = "Texture0@Name";
DWORD buffer_size;
int i;
/* effects buffer layout:
*
* D3DXEFFECTINSTANCE effects[num_materials];
* for (effect in effects)
* {
* D3DXEFFECTDEFAULT defaults[effect.NumDefaults];
* for (default in defaults)
* {
* *default.pParamName;
* *default.pValue;
* }
* }
*/
buffer_size = sizeof(D3DXEFFECTINSTANCE);
buffer_size += sizeof(D3DXEFFECTDEFAULT) * ARRAY_SIZE(material_effects);
for (i = 0; i < ARRAY_SIZE(material_effects); i++) {
buffer_size += material_effects[i].name_size;
buffer_size += material_effects[i].num_bytes;
}
buffer_size *= num_materials;
for (i = 0; i < num_materials; i++) {
if (material_ptr[i].pTextureFilename) {
buffer_size += sizeof(D3DXEFFECTDEFAULT);
buffer_size += sizeof(texture_paramname);
buffer_size += strlen(material_ptr[i].pTextureFilename) + 1;
}
}
hr = D3DXCreateBuffer(buffer_size, effects);
if (FAILED(hr)) return hr;
effect_ptr = ID3DXBuffer_GetBufferPointer(*effects);
out_ptr = (BYTE*)(effect_ptr + num_materials);
for (i = 0; i < num_materials; i++)
{
int j;
D3DXEFFECTDEFAULT *defaults = (D3DXEFFECTDEFAULT*)out_ptr;
effect_ptr->pDefaults = defaults;
effect_ptr->NumDefaults = material_ptr->pTextureFilename ? 6 : 5;
out_ptr = (BYTE*)(effect_ptr->pDefaults + effect_ptr->NumDefaults);
for (j = 0; j < ARRAY_SIZE(material_effects); j++)
{
defaults->pParamName = (LPSTR)out_ptr;
strcpy(defaults->pParamName, material_effects[j].param_name);
defaults->pValue = defaults->pParamName + material_effects[j].name_size;
defaults->Type = D3DXEDT_FLOATS;
defaults->NumBytes = material_effects[j].num_bytes;
memcpy(defaults->pValue, (BYTE*)material_ptr + material_effects[j].value_offset, defaults->NumBytes);
out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
defaults++;
}
if (material_ptr->pTextureFilename) {
defaults->pParamName = (LPSTR)out_ptr;
strcpy(defaults->pParamName, texture_paramname);
defaults->pValue = defaults->pParamName + sizeof(texture_paramname);
defaults->Type = D3DXEDT_STRING;
defaults->NumBytes = strlen(material_ptr->pTextureFilename) + 1;
strcpy(defaults->pValue, material_ptr->pTextureFilename);
out_ptr = (BYTE*)defaults->pValue + defaults->NumBytes;
}
material_ptr++;
effect_ptr++;
}
assert(out_ptr - (BYTE*)ID3DXBuffer_GetBufferPointer(*effects) == buffer_size);
return D3D_OK;
}
/* change to D3DXLoadSkinMeshFromXof when ID3DXFileData is implemented */
static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
DWORD options,
@ -2285,6 +2383,7 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
ID3DXMesh *d3dxmesh = NULL;
ID3DXBuffer *adjacency = NULL;
ID3DXBuffer *materials = NULL;
ID3DXBuffer *effects = NULL;
struct vertex_duplication {
DWORD normal_index;
struct list entry;
@ -2434,7 +2533,7 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
if (FAILED(hr)) goto cleanup;
}
if (mesh_data.num_materials && materials_out) {
if (mesh_data.num_materials && (materials_out || effects_out)) {
DWORD buffer_size = mesh_data.num_materials * sizeof(D3DXMATERIAL);
char *strings_out_ptr;
D3DXMATERIAL *materials_ptr;
@ -2460,9 +2559,13 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
}
if (mesh_data.num_materials && effects_out) {
FIXME("Effect instance generation not supported.\n");
hr = E_NOTIMPL;
goto cleanup;
hr = generate_effects(materials, mesh_data.num_materials, &effects);
if (FAILED(hr)) goto cleanup;
if (!materials_out) {
ID3DXBuffer_Release(materials);
materials = NULL;
}
}
if (adjacency_out) {
@ -2476,7 +2579,7 @@ static HRESULT load_skin_mesh_from_xof(IDirectXFileData *filedata,
if (adjacency_out) *adjacency_out = adjacency;
if (num_materials_out) *num_materials_out = mesh_data.num_materials;
if (materials_out) *materials_out = materials;
if (effects_out) *effects_out = NULL;
if (effects_out) *effects_out = effects;
if (skin_info_out) *skin_info_out = NULL;
hr = D3D_OK;
@ -2485,6 +2588,7 @@ cleanup:
if (d3dxmesh) IUnknown_Release(d3dxmesh);
if (adjacency) ID3DXBuffer_Release(adjacency);
if (materials) ID3DXBuffer_Release(materials);
if (effects) ID3DXBuffer_Release(effects);
}
HeapFree(GetProcessHeap(), 0, mesh_data.vertices);
HeapFree(GetProcessHeap(), 0, mesh_data.num_tri_per_face);