Method SetAllState

trinityal/dx12/Tr2RenderContextDx12.cpp:808–878

}

ALResult Tr2RenderContextAL::SetAllState()
{
	if( ( m_dynamicVBs & m_psoDescription.m_vertexStreamMask ) != 0 )
	{
		D3D12_VERTEX_BUFFER_VIEW vb[4];
		for( uint32_t i = 0; i < 4; ++i )
		{
			if( m_vertexBuffers[i].buffer.IsValid() )
			{
				vb[i].BufferLocation = m_vertexBuffers[i].buffer.m_buffer->GetGpuView() + m_vertexBuffers[i].offset;
				vb[i].SizeInBytes = m_vertexBuffers[i].buffer.GetSize() - m_vertexBuffers[i].offset;
				vb[i].StrideInBytes = m_vertexBuffers[i].stride;
			}
			else
			{
				vb[i].BufferLocation = 0;
				vb[i].SizeInBytes = 0;
				vb[i].StrideInBytes = 0;
			}
		}
		m_commandList->IASetVertexBuffers( 0, 4, vb );
	}

	if( m_dynamicIB )
	{
		D3D12_INDEX_BUFFER_VIEW ib = { 0, 0, DXGI_FORMAT_UNKNOWN };
		if( m_indexBuffer.m_buffer->IsValid() )
		{
			ib.BufferLocation = m_indexBuffer.m_buffer->GetGpuView();
			ib.SizeInBytes = m_indexBuffer.GetSize();
			ib.Format = m_indexBuffer.GetDesc().stride == 2 ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R32_UINT;
		}
		m_commandList->IASetIndexBuffer( &ib );
	}

	if( m_dirtyPso )
	{
		auto pso = GetPipelineState();
		if( !pso )
		{
			return E_FAIL;
		}

		m_commandList->SetPipelineState( pso );
		if( m_psoDescription.m_shaderProgram.IsValid() )
		{
			if( m_psoDescription.m_shaderProgram.m_program->IsComputeProgramDx12() )
			{
				m_commandList->SetComputeRootSignature( m_psoDescription.m_shaderProgram.m_program->m_rootSignature.m_rootSignature );
			}
			else
			{
				m_commandList->SetGraphicsRootSignature( m_psoDescription.m_shaderProgram.m_program->m_rootSignature.m_rootSignature );
			}
		}
		else
		{
			m_commandList->SetComputeRootSignature( nullptr );