int createConstantBuffer(int elementSize) {
// FIXME: elementsize must be multiple of 16!!!!
ConstantBuffer* buffer = new ConstantBuffer;
buffer->create(ctx->device,elementSize);
ctx->constantBuffers.push_back(buffer);
return ctx->constantBuffers.size() - 1;
}
HRESULT ShaderBase::processLoadedShaderBlob( ID3DBlob *shaderSource )
{
HRESULT res = build( shaderSource );
if ( FAILED(res) )
{
std::cout << "Error (ShaderBase::processLoadedShaderBlob): Error creating shader" << std::endl;
return res;
}
// setup buffers using the shader reflection
ID3D11ShaderReflection *reflector;
res = D3DReflect( shaderSource->GetBufferPointer(), shaderSource->GetBufferSize(),
IID_ID3D11ShaderReflection, (void**)&reflector );
if ( FAILED( res ) )
{
std::cout << "Error (ShaderBase::processLoadedShaderBlob): Error creating shader reflection" << std::endl;
return res;
}
D3D11_SHADER_DESC shaderDesc;
ZeroMemory( &shaderDesc, sizeof( D3D11_SHADER_DESC ) );
res = reflector->GetDesc( &shaderDesc );
if ( FAILED( res ) )
{
std::cout << "Error (ShaderBase::processLoadedShaderBlob): Error creating shader reflection description" << std::endl;
reflector->Release();
return res;
}
for ( UINT i = 0U; i < shaderDesc.ConstantBuffers; ++i )
{
ID3D11ShaderReflectionConstantBuffer *constBuffReflection = reflector->GetConstantBufferByIndex( i );
D3D11_SHADER_BUFFER_DESC shaderBuffDesc;
constBuffReflection->GetDesc( &shaderBuffDesc );
//TODO: these can be put on the stack
ConstantBuffer *cBuff = new ConstantBuffer( m_dxDev, i, shaderBuffDesc.Name );
cBuff->create( shaderBuffDesc.Size );
for ( UINT j = 0U; j < shaderBuffDesc.Variables; ++j )
{
ID3D11ShaderReflectionVariable *variableRefl = constBuffReflection->GetVariableByIndex( j );
D3D11_SHADER_VARIABLE_DESC shaderVarDesc;
variableRefl->GetDesc( &shaderVarDesc );
cBuff->addVariableDefinition( shaderVarDesc.Name, shaderVarDesc.StartOffset, shaderVarDesc.Size );
}
m_constBuffers.push_back( cBuff );
m_dxConstBuffers.push_back( cBuff->getDxBufferPtr() );
}
reflector->Release();
return S_OK;
}