/// @copydoc GameObject::TryFinishPrecacheResourceData()
bool ShaderVariant::TryFinishPrecacheResourceData()
{
Renderer* pRenderer = Renderer::GetStaticInstance();
HELIUM_ASSERT( pRenderer );
// Get the type of shader being loaded.
Name variantName = GetName();
tchar_t shaderTypeCharacter = ( *variantName )[ 0 ];
RShader::EType shaderType;
if( shaderTypeCharacter == TXT( 'v' ) )
{
shaderType = RShader::TYPE_VERTEX;
}
else
{
HELIUM_ASSERT( shaderTypeCharacter == TXT( 'p' ) );
shaderType = RShader::TYPE_PIXEL;
}
// Wait for all async load requests to complete.
bool bHavePendingLoad = false;
size_t loadRequestCount = m_renderResourceLoads.GetSize();
for( size_t loadRequestIndex = 0; loadRequestIndex < loadRequestCount; ++loadRequestIndex )
{
LoadData& rLoadData = m_renderResourceLoads[ loadRequestIndex ];
if( IsInvalid( rLoadData.id ) )
{
continue;
}
if( !TryFinishLoadSubData( rLoadData.id ) )
{
bHavePendingLoad = true;
continue;
}
SetInvalid( rLoadData.id );
// Serialize the constant buffer information.
BinaryDeserializer deserializer;
deserializer.Prepare( rLoadData.pData, rLoadData.size );
deserializer.BeginSerialize();
m_constantBufferSets[ loadRequestIndex ].Serialize( deserializer );
m_samplerInputSets[ loadRequestIndex ].Serialize( deserializer );
m_textureInputSets[ loadRequestIndex ].Serialize( deserializer );
size_t dataOffset = deserializer.GetCurrentOffset();
deserializer.EndSerialize();
// Apply padding for shader code alignment.
dataOffset = Min( Align( dataOffset, sizeof( uint32_t ) ), rLoadData.size );
// Create the shader resource.
size_t shaderSize = rLoadData.size - dataOffset;
const void* pShaderData = static_cast< const uint8_t* >( rLoadData.pData ) + dataOffset;
RShaderPtr spShaderBase;
if( shaderType == RShader::TYPE_VERTEX )
{
spShaderBase = pRenderer->CreateVertexShader( shaderSize, pShaderData );
}
else
{
spShaderBase = pRenderer->CreatePixelShader( shaderSize, pShaderData );
}
if( !spShaderBase )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariant::TryFinishPrecacheResourceData(): Failed to create shader for sub-data %" )
TPRIuSZ TXT( " of shader \"%s\".\n" ) ),
loadRequestIndex,
*GetPath().ToString() );
}
m_renderResources[ loadRequestIndex ] = spShaderBase;
}
if( bHavePendingLoad )
{
return false;
}
// All load requests have completed, so free all memory allocated for resource staging.
m_renderResourceLoads.Clear();
DefaultAllocator().Free( m_pRenderResourceLoadBuffer );
m_pRenderResourceLoadBuffer = NULL;
return true;
}
