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d3dx9: Add support for structs to ID3DXConstantTable.

This commit is contained in:
Rico Schüller 2013-07-24 22:30:21 +02:00 committed by Alexandre Julliard
parent 6705073016
commit bdec3f951b
1 changed files with 77 additions and 2 deletions
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79
dlls/d3dx9_36/shader.c
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@ -958,8 +958,83 @@ static UINT set(struct ID3DXConstantTableImpl *table, IDirect3DDevice9 *device,
/* D3DXPC_STRUCT is somewhat special */
if (desc->Class == D3DXPC_STRUCT)
{
FIXME("Structs are not supported, yet.\n");
return 0;
/*
* Struct array sets the last complete input to the first struct element, all other
* elements are not set.
* E.g.: struct {int i;} s1[2];
* SetValue(device, "s1", [1, 2], 8) => s1 = {2, x};
*
* struct {int i; int n} s2[2];
* SetValue(device, "s2", [1, 2, 3, 4, 5], 20) => s1 = {{3, 4}, {x, x}};
*/
if (desc->Elements > 1)
{
UINT offset = *size / (desc->Rows * desc->Columns) - 1;
offset = min(desc->Elements - 1, offset);
last = offset * desc->Rows * desc->Columns;
if ((is_pointer || (!is_pointer && inclass == D3DXPC_MATRIX_ROWS)) && desc->RegisterSet != D3DXRS_BOOL)
{
set(table, device, &constant->constants[0], NULL, intype, size, incol, inclass, 0, is_pointer);
}
else
{
last += set(table, device, &constant->constants[0], indata, intype, size, incol, inclass,
index + last, is_pointer);
}
}
else
{
/*
* D3DXRS_BOOL is always set. As there are only 16 bools and there are
* exactly 16 input values, use matrix transpose.
*/
if (inclass == D3DXPC_MATRIX_ROWS && desc->RegisterSet == D3DXRS_BOOL)
{
D3DXMATRIX mat, *m, min;
D3DXMatrixTranspose(&mat, &min);
if (is_pointer)
min = *(D3DXMATRIX *)(indata[index / 16]);
else
min = **(D3DXMATRIX **)indata;
D3DXMatrixTranspose(&mat, &min);
m = &mat;
for (i = 0; i < desc->StructMembers; ++i)
{
last += set(table, device, &constant->constants[i], (const void **)&m, intype, size, incol,
D3DXPC_SCALAR, index + last, is_pointer);
}
}
/*
* For pointers or for matrix rows, only the first member is set.
* All other members are set to 0. This is not true for D3DXRS_BOOL.
* E.g.: struct {int i; int n} s;
* SetValue(device, "s", [1, 2], 8) => s = {1, 0};
*/
else if ((is_pointer || (!is_pointer && inclass == D3DXPC_MATRIX_ROWS)) && desc->RegisterSet != D3DXRS_BOOL)
{
last = set(table, device, &constant->constants[0], indata, intype, size, incol, inclass,
index + last, is_pointer);
for (i = 1; i < desc->StructMembers; ++i)
{
set(table, device, &constant->constants[i], NULL, intype, size, incol, inclass, 0, is_pointer);
}
}
else
{
for (i = 0; i < desc->StructMembers; ++i)
{
last += set(table, device, &constant->constants[i], indata, intype, size, incol, D3DXPC_SCALAR,
index + last, is_pointer);
}
}
}
return last;
}
/* elements */