int
glsl_type::sampler_coordinate_components() const
{
assert(is_sampler());
int size;
switch (sampler_dimensionality) {
case GLSL_SAMPLER_DIM_1D:
case GLSL_SAMPLER_DIM_BUF:
size = 1;
break;
case GLSL_SAMPLER_DIM_2D:
case GLSL_SAMPLER_DIM_RECT:
case GLSL_SAMPLER_DIM_MS:
case GLSL_SAMPLER_DIM_EXTERNAL:
size = 2;
break;
case GLSL_SAMPLER_DIM_3D:
case GLSL_SAMPLER_DIM_CUBE:
size = 3;
break;
default:
assert(!"Should not get here.");
size = 1;
break;
}
/* Array textures need an additional component for the array index. */
if (sampler_array)
size += 1;
return size;
}
static void dx9_fill_constant_table(ShaderConstantTable& out_constants, ShaderConstantTable& out_samplers, ID3DXConstantTable* constant_table)
{
out_constants.clear();
out_samplers.clear();
if( constant_table )
{
HRESULT hr = S_OK;
D3DXCONSTANTTABLE_DESC ct_desc;
hr = constant_table->GetDesc(&ct_desc);
validate_d3d_result(hr, true);
for( uint32 i=0; i<ct_desc.Constants; ++i )
{
D3DXHANDLE handle = constant_table->GetConstant(NULL, i);
D3DXCONSTANT_DESC d3dx_constant_desc;
UINT count = 1;
hr = constant_table->GetConstantDesc(handle, &d3dx_constant_desc, &count);
validate_d3d_result(hr, true);
ShaderConstantDescr scd;
scd.name = String(d3dx_constant_desc.Name);
scd.register_index = d3dx_constant_desc.RegisterIndex;
scd.register_count = d3dx_constant_desc.RegisterCount;
if( is_sampler(d3dx_constant_desc.Type) )
{
out_samplers.push_back(scd);
}
else
{
out_constants.push_back(scd);
}
}
}
}
