Method DoPrepare

trinity/Tr2AtlasTexture.cpp:207–268

}

bool Tr2AtlasTexture::DoPrepare()
{
	CCP_STATS_ZONE( __FUNCTION__ );

	if( m_textureAtlas )
	{
		// In case we're reloading
		m_textureAtlas->RemoveFromAtlas( this );
	}
	// Allow loading to a specific atlas by setting this before DoLoad
	if( !m_textureAtlas )
	{
		m_textureAtlas = g_textureAtlasMan->FindAtlas( m_loadedBitmap->GetFormat() );
	}

	m_texture = Tr2TextureAL();

	if( !Tr2Renderer::IsResourceCreationAllowed() )
	{
		return false;
	}

	bool isOK = false;
	if( m_textureAtlas && !m_isStandAlone )
	{
		isOK = m_textureAtlas->DoPrepare( this );

		// Estimate memory usage based on 32-bit textures (the average case for atlas textures)
		m_memoryUsage = m_width * m_height * 4;
	}

	if( !isOK )
	{
		USE_MAIN_THREAD_RENDER_CONTEXT();
		if( Tr2ImageIOHelpers::Create2DTexture( *m_loadedBitmap, m_texture, m_memoryUsage, renderContext ) )
		{
			m_x = 0;
			m_y = 0;
			m_width = m_loadedBitmap->GetWidth();
			m_height = m_loadedBitmap->GetHeight();
			m_textureWidth = m_width;
			m_textureHeight = m_height;

			isOK = true;

			if( m_textureAtlas )
			{
				// An appropriate texture atlas was found but it didn't have space.
				// Register with it, and it may pull the texture in at some point.
				m_textureAtlas->RegisterOutsider( this );
			}
		}
	}

	FinalizePrepare();

	SetGood( isOK );