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wined3d: Implement CreateVertexDeclarationFromFVF.

This commit is contained in:
Stefan Dösinger 2007-04-25 17:04:46 +02:00 committed by Alexandre Julliard
parent aec1553e50
commit 32cfbd127c
2 changed files with 140 additions and 1 deletions
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139
dlls/wined3d/device.c
View File

@ -1577,8 +1577,145 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateVertexDeclaration(IWineD3DDevice*
return hr;
}
static size_t ConvertFvfToDeclaration(DWORD fvf, WINED3DVERTEXELEMENT** ppVertexElements) {
unsigned int idx, idx2;
unsigned int offset;
BOOL has_pos = (fvf & WINED3DFVF_POSITION_MASK) != 0;
BOOL has_blend = (fvf & WINED3DFVF_XYZB5) > WINED3DFVF_XYZRHW;
BOOL has_blend_idx = has_blend &&
(((fvf & WINED3DFVF_XYZB5) == WINED3DFVF_XYZB5) ||
(fvf & WINED3DFVF_LASTBETA_D3DCOLOR) ||
(fvf & WINED3DFVF_LASTBETA_UBYTE4));
BOOL has_normal = (fvf & WINED3DFVF_NORMAL) != 0;
BOOL has_psize = (fvf & WINED3DFVF_PSIZE) != 0;
BOOL has_diffuse = (fvf & WINED3DFVF_DIFFUSE) != 0;
BOOL has_specular = (fvf & WINED3DFVF_SPECULAR) !=0;
DWORD num_textures = (fvf & WINED3DFVF_TEXCOUNT_MASK) >> WINED3DFVF_TEXCOUNT_SHIFT;
DWORD texcoords = (fvf & 0x00FF0000) >> 16;
WINED3DVERTEXELEMENT end_element = WINED3DDECL_END();
WINED3DVERTEXELEMENT *elements = NULL;
unsigned int size;
DWORD num_blends = 1 + (((fvf & WINED3DFVF_XYZB5) - WINED3DFVF_XYZB1) >> 1);
if (has_blend_idx) num_blends--;
/* Compute declaration size */
size = has_pos + (has_blend && num_blends > 0) + has_blend_idx + has_normal +
has_psize + has_diffuse + has_specular + num_textures + 1;
/* convert the declaration */
elements = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WINED3DVERTEXELEMENT));
if (!elements)
return 0;
memcpy(&elements[size-1], &end_element, sizeof(WINED3DVERTEXELEMENT));
idx = 0;
if (has_pos) {
if (!has_blend && (fvf & WINED3DFVF_XYZRHW)) {
elements[idx].Type = WINED3DDECLTYPE_FLOAT4;
elements[idx].Usage = WINED3DDECLUSAGE_POSITIONT;
}
else {
elements[idx].Type = WINED3DDECLTYPE_FLOAT3;
elements[idx].Usage = WINED3DDECLUSAGE_POSITION;
}
elements[idx].UsageIndex = 0;
idx++;
}
if (has_blend && (num_blends > 0)) {
if (((fvf & WINED3DFVF_XYZB5) == WINED3DFVF_XYZB2) && (fvf & WINED3DFVF_LASTBETA_D3DCOLOR))
elements[idx].Type = WINED3DDECLTYPE_D3DCOLOR;
else
elements[idx].Type = WINED3DDECLTYPE_FLOAT1 + num_blends - 1;
elements[idx].Usage = WINED3DDECLUSAGE_BLENDWEIGHT;
elements[idx].UsageIndex = 0;
idx++;
}
if (has_blend_idx) {
if (fvf & WINED3DFVF_LASTBETA_UBYTE4 ||
(((fvf & WINED3DFVF_XYZB5) == WINED3DFVF_XYZB2) && (fvf & WINED3DFVF_LASTBETA_D3DCOLOR)))
elements[idx].Type = WINED3DDECLTYPE_UBYTE4;
else if (fvf & WINED3DFVF_LASTBETA_D3DCOLOR)
elements[idx].Type = WINED3DDECLTYPE_D3DCOLOR;
else
elements[idx].Type = WINED3DDECLTYPE_FLOAT1;
elements[idx].Usage = WINED3DDECLUSAGE_BLENDINDICES;
elements[idx].UsageIndex = 0;
idx++;
}
if (has_normal) {
elements[idx].Type = WINED3DDECLTYPE_FLOAT3;
elements[idx].Usage = WINED3DDECLUSAGE_NORMAL;
elements[idx].UsageIndex = 0;
idx++;
}
if (has_psize) {
elements[idx].Type = WINED3DDECLTYPE_FLOAT1;
elements[idx].Usage = WINED3DDECLUSAGE_PSIZE;
elements[idx].UsageIndex = 0;
idx++;
}
if (has_diffuse) {
elements[idx].Type = WINED3DDECLTYPE_D3DCOLOR;
elements[idx].Usage = WINED3DDECLUSAGE_COLOR;
elements[idx].UsageIndex = 0;
idx++;
}
if (has_specular) {
elements[idx].Type = WINED3DDECLTYPE_D3DCOLOR;
elements[idx].Usage = WINED3DDECLUSAGE_COLOR;
elements[idx].UsageIndex = 1;
idx++;
}
for (idx2 = 0; idx2 < num_textures; idx2++) {
unsigned int numcoords = (texcoords >> (idx2*2)) & 0x03;
switch (numcoords) {
case WINED3DFVF_TEXTUREFORMAT1:
elements[idx].Type = WINED3DDECLTYPE_FLOAT1;
break;
case WINED3DFVF_TEXTUREFORMAT2:
elements[idx].Type = WINED3DDECLTYPE_FLOAT2;
break;
case WINED3DFVF_TEXTUREFORMAT3:
elements[idx].Type = WINED3DDECLTYPE_FLOAT3;
break;
case WINED3DFVF_TEXTUREFORMAT4:
elements[idx].Type = WINED3DDECLTYPE_FLOAT4;
break;
}
elements[idx].Usage = WINED3DDECLUSAGE_TEXCOORD;
elements[idx].UsageIndex = idx2;
idx++;
}
/* Now compute offsets, and initialize the rest of the fields */
for (idx = 0, offset = 0; idx < size-1; idx++) {
elements[idx].Stream = 0;
elements[idx].Method = WINED3DDECLMETHOD_DEFAULT;
elements[idx].Offset = offset;
offset += WINED3D_ATR_SIZE(elements[idx].Type) * WINED3D_ATR_TYPESIZE(elements[idx].Type);
}
*ppVertexElements = elements;
return size;
}
static HRESULT WINAPI IWineD3DDeviceImpl_CreateVertexDeclarationFromFVF(IWineD3DDevice* iface, IWineD3DVertexDeclaration** ppVertexDeclaration, IUnknown *Parent, DWORD Fvf) {
return E_NOTIMPL;
WINED3DVERTEXELEMENT* elements = NULL;
size_t size;
DWORD hr;
size = ConvertFvfToDeclaration(Fvf, &elements);
if (size == 0) return WINED3DERR_OUTOFVIDEOMEMORY;
hr = IWineD3DDevice_CreateVertexDeclaration(iface, ppVertexDeclaration, Parent, elements, size);
HeapFree(GetProcessHeap(), 0, elements);
if (hr != S_OK) return hr;
return WINED3D_OK;
}
/* http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/directx9_c/directx/graphics/programmingguide/programmable/vertexshaders/vscreate.asp */

2
include/wine/wined3d_types.h
View File

@ -1255,6 +1255,8 @@ typedef enum _WINED3DDECLTYPE {
WINED3DDECLTYPE_UNUSED = 17,
} WINED3DDECLTYPE;
#define WINED3DDECL_END() {0xFF,0,WINED3DDECLTYPE_UNUSED,0,0,0,-1}
typedef struct WineDirect3DStridedData {
BYTE *lpData; /* Pointer to start of data */
DWORD dwStride; /* Stride between occurances of this data */