Method LockBufferAndMargin

trinity/Tr2AtlasTexture.cpp:353–390

}

bool Tr2AtlasTexture::LockBufferAndMargin( void*& data, unsigned& pitch, unsigned& margin )
{
	USE_MAIN_THREAD_RENDER_CONTEXT();

	Tr2TextureAL* texture = nullptr;
	if( m_textureAtlas && m_atlasArea )
	{
		texture = m_textureAtlas->GetTexture();
	}
	else if( m_texture.IsValid() )
	{
		texture = &m_texture;
	}

	if( !m_textureAtlas || !m_atlasArea || m_isLocked || !texture || !texture->IsValid() )
	{
		margin = 0;
		return LockBuffer( data, pitch );
	}

	margin = m_textureAtlas->GetMargin();
	long hr = texture->MapForWriting(
						 Tr2TextureSubresource( 0 ).SetRect( uint32_t( m_x - margin ), uint32_t( m_y - margin ), uint32_t( m_x + m_width + margin ), uint32_t( m_y + m_height + margin ) ),
						 data,
						 pitch,
						 renderContext )
				  .GetResult();

	if( FAILED( hr ) )
	{
		CCP_LOGERR( "Tr2AtlasTexture::LockBufferAndMargin failed - another atlas texture may be locked already (HR: %08lx)", hr );
		return false;
	}

	m_isLocked = true;

	return true;
}

void Tr2AtlasTexture::UnlockBuffer()
{