static RenderTextureDescriptor CreateRenderTextureDescriptor(Camera camera, float renderScale,
bool isStereoEnabled, bool isHdrEnabled, int msaaSamples)
{
RenderTextureDescriptor desc;
RenderTextureFormat renderTextureFormatDefault = RenderTextureFormat.Default;
if (isStereoEnabled)
{
desc = XRGraphics.eyeTextureDesc;
renderTextureFormatDefault = desc.colorFormat;
}
else
{
desc = new RenderTextureDescriptor(camera.pixelWidth, camera.pixelHeight);
desc.width = (int)((float)desc.width * renderScale);
desc.height = (int)((float)desc.height * renderScale);
}
// TODO: when preserve framebuffer alpha is enabled we can't use RGB111110Float format.
bool useRGB111110 = Application.isMobilePlatform && RenderingUtils.SupportsRenderTextureFormat(RenderTextureFormat.RGB111110Float);
RenderTextureFormat hdrFormat = (useRGB111110) ? RenderTextureFormat.RGB111110Float : RenderTextureFormat.DefaultHDR;
desc.colorFormat = isHdrEnabled ? hdrFormat : renderTextureFormatDefault;
desc.depthBufferBits = 32;
desc.enableRandomWrite = false;
desc.sRGB = (QualitySettings.activeColorSpace == ColorSpace.Linear);
desc.msaaSamples = msaaSamples;
desc.bindMS = false;
desc.useDynamicScale = camera.allowDynamicResolution;
return(desc);
}
public void Setup(RenderTextureDescriptor baseDescriptor)
{
m_RenderTextureDescriptor = baseDescriptor;
m_RenderTextureDescriptor.depthBufferBits = 0;
m_RenderTextureDescriptor.colorFormat = RenderingUtils.SupportsRenderTextureFormat(RenderTextureFormat.R8)
? RenderTextureFormat.R8
: RenderTextureFormat.ARGB32;
}
static ShadowUtils()
{
m_ShadowmapFormat = RenderingUtils.SupportsRenderTextureFormat(RenderTextureFormat.Shadowmap)
? RenderTextureFormat.Shadowmap
: RenderTextureFormat.Depth;
m_ForceShadowPointSampling = SystemInfo.graphicsDeviceType == GraphicsDeviceType.Metal &&
GraphicsSettings.HasShaderDefine(Graphics.activeTier, BuiltinShaderDefine.UNITY_METAL_SHADOWS_USE_POINT_FILTERING);
}