Method SetTexture

trinity/Sprite2d/Tr2Sprite2dScene.cpp:706–779

}

void Tr2Sprite2dScene::SetTexture( unsigned ix, Tr2AtlasTexturePtr tex, Tr2Sprite2dTextureSettings settings )
{
	//CCP_STATS_ZONE( __FUNCTION__ );

	CCP_STATS_INC( spriteSceneTextureCount );

	CCP_ASSERT( ix < 2 );

#if !CCP_DEPLOY
	if( !tex )
	{
		tex = m_defaultTexture;
	}
#endif

	Tr2TextureAL* texAL = nullptr;
	if( tex )
	{
		texAL = tex->GetTexture();
		if( !texAL )
		{
			if( tex->GetRenderTarget() )
			{
				texAL = tex->GetRenderTarget();
			}
		}
	}

	// Note that we can't assume that the same value for 'tex' results in the
	// same D3D texture - the underlying texture may shift in the atlas.
	if( !m_texture[ix] || texAL != m_texture[ix]->GetTexture() )
	{
		CCP_STATS_INC( spriteSceneDrawCallTexture );
		IssueDrawCall();
		m_texture[ix] = tex;

		if( ix == 0 )
		{
			Vector4 texelSize;
			if( texAL )
			{
				texelSize.x = 1.0f / texAL->GetWidth();
				texelSize.y = 1.0f / texAL->GetHeight();
			}
			else
			{
				texelSize.x = 0.0f;
				texelSize.y = 0.0f;
			}
			texelSize.z = 0.0f;
			texelSize.w = 0.0f;
			m_texelSizeVar[ix] = texelSize;
		}
	}

	m_texture[ix] = tex;

	TextureSetting& texSettings = m_textureSettings[ix];