// Classic render target pipeline for RT-based effects
void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (profile == null || m_Camera == null)
{
Graphics.Blit(source, destination);
return;
}
// Uber shader setup
bool uberActive = false;
bool fxaaActive = m_Fxaa.active;
bool taaActive = m_Taa.active && !m_RenderingInSceneView;
bool dofActive = m_DepthOfField.active && !m_RenderingInSceneView;
var uberMaterial = m_MaterialFactory.Get("Hidden/Post FX/Uber Shader");
uberMaterial.shaderKeywords = null;
var src = source;
var dst = destination;
if (taaActive)
{
var tempRT = m_RenderTextureFactory.Get(src);
m_Taa.Render(src, tempRT);
src = tempRT;
}
#if UNITY_EDITOR
// Render to a dedicated target when monitors are enabled so they can show information
// about the final render.
// At runtime the output will always be the backbuffer or whatever render target is
// currently set on the camera.
if (profile.monitors.onFrameEndEditorOnly != null)
{
dst = m_RenderTextureFactory.Get(src);
}
#endif
Texture autoExposure = GraphicsUtils.whiteTexture;
if (m_EyeAdaptation.active)
{
uberActive = true;
autoExposure = m_EyeAdaptation.Prepare(src, uberMaterial);
}
uberMaterial.SetTexture("_AutoExposure", autoExposure);
if (dofActive)
{
uberActive = true;
m_DepthOfField.Prepare(src, uberMaterial, taaActive, m_Taa.jitterVector, m_Taa.model.settings.taaSettings.motionBlending);
}
if (m_Bloom.active)
{
uberActive = true;
m_Bloom.Prepare(src, uberMaterial, autoExposure);
}
uberActive |= TryPrepareUberImageEffect(m_ChromaticAberration, uberMaterial);
uberActive |= TryPrepareUberImageEffect(m_ColorGrading, uberMaterial);
uberActive |= TryPrepareUberImageEffect(m_Vignette, uberMaterial);
uberActive |= TryPrepareUberImageEffect(m_UserLut, uberMaterial);
var fxaaMaterial = fxaaActive
? m_MaterialFactory.Get("Hidden/Post FX/FXAA")
: null;
if (fxaaActive)
{
fxaaMaterial.shaderKeywords = null;
TryPrepareUberImageEffect(m_Grain, fxaaMaterial);
TryPrepareUberImageEffect(m_Dithering, fxaaMaterial);
if (uberActive)
{
var output = m_RenderTextureFactory.Get(src);
Graphics.Blit(src, output, uberMaterial, 0);
src = output;
}
m_Fxaa.Render(src, dst);
}
else
{
uberActive |= TryPrepareUberImageEffect(m_Grain, uberMaterial);
uberActive |= TryPrepareUberImageEffect(m_Dithering, uberMaterial);
if (uberActive)
{
if (!GraphicsUtils.isLinearColorSpace)
{
uberMaterial.EnableKeyword("UNITY_COLORSPACE_GAMMA");
}
Graphics.Blit(src, dst, uberMaterial, 0);
}
}
if (!uberActive && !fxaaActive)
{
Graphics.Blit(src, dst);
}
#if UNITY_EDITOR
if (profile.monitors.onFrameEndEditorOnly != null)
{
Graphics.Blit(dst, destination);
var oldRt = RenderTexture.active;
profile.monitors.onFrameEndEditorOnly(dst);
RenderTexture.active = oldRt;
}
#endif
m_RenderTextureFactory.ReleaseAll();
}
