bool Render()
{
if (!m_initialized || !m_renderer.valid)
{
return(false);
}
bool firstInstance = s_renderCount == 0;
bool lastInstance = ++s_renderCount == s_instanceCount;
if (s_renderCount == s_instanceCount)
{
s_renderCount = 0;
}
m_issueFrameEnd = lastInstance;
var cam = GetComponent <Camera>();
// setup RenderTexture
if (m_generateRenderTexture)
{
var resolution = new Vector2Int(cam.pixelWidth, cam.pixelHeight);
var format = m_outputType == OutputType.Image ? RenderTextureFormat.RHalf : RenderTextureFormat.RInt;
if (m_outputTexture != null &&
(m_outputTexture.width != resolution.x || m_outputTexture.height != resolution.y || m_outputTexture.format != format))
{
// resolution/format has changed. release existing RenderTexture
#if UNITY_EDITOR
if (!AssetDatabase.Contains(m_outputTexture))
#endif
{
DestroyImmediate(m_outputTexture);
}
m_outputTexture = null;
}
if (m_outputTexture == null)
{
m_outputTexture = new RenderTexture(resolution.x, resolution.y, 0, format);
m_outputTexture.name = "RaytracedHardShadow";
m_outputTexture.enableRandomWrite = true; // enable unordered access
m_outputTexture.Create();
if (m_assignGlobalTexture)
{
Shader.SetGlobalTexture(m_globalTextureName, m_outputTexture);
}
}
}
// setup renderer
bool succeeded = true;
if (m_outputTexture != null)
{
rthsRenderFlag flags = 0;
if (m_cullBackFaces)
{
flags |= rthsRenderFlag.CullBackFaces;
}
if (m_flipCasterFaces)
{
flags |= rthsRenderFlag.FlipCasterFaces;
}
if (m_ignoreSelfShadow)
{
flags |= rthsRenderFlag.IgnoreSelfShadow;
}
if (m_keepSelfDropShadow)
{
flags |= rthsRenderFlag.KeepSelfDropShadow;
}
if (m_GPUSkinning)
{
flags |= rthsRenderFlag.GPUSkinning;
}
if (m_adaptiveSampling)
{
flags |= rthsRenderFlag.AdaptiveSampling;
}
if (m_antialiasing)
{
flags |= rthsRenderFlag.Antialiasing;
}
if (m_clampBlendshapeWeights)
{
flags |= rthsRenderFlag.ClampBlendShapeWights;
}
m_renderer.BeginScene();
try
{
m_renderer.SetRaytraceFlags(flags);
m_renderer.SetShadowRayOffset(m_ignoreSelfShadow ? 0.0f : m_shadowRayOffset);
m_renderer.SetSelfShadowThreshold(m_selfShadowThreshold);
m_renderer.SetRenderTarget(GetRenderTargetData(m_outputTexture));
m_renderer.SetCamera(cam, m_useCameraCullingMask);
EnumerateLights(
l => { m_renderer.AddLight(l, m_useLightCullingMask); },
scl => { m_renderer.AddLight(scl); }
);
EnumerateMeshRenderers(
(mr) => { m_renderer.AddMesh(GetMeshInstanceData(mr)); },
(smr) => { m_renderer.AddMesh(GetMeshInstanceData(smr)); }
);
}
catch (Exception e)
{
Debug.LogError(e);
succeeded = false;
}
m_renderer.EndScene();
}
// issue GPU commands
if (firstInstance)
{
m_renderer.IssueMarkFrameBegin();
}
if (succeeded)
{
m_renderer.IssueRender();
m_issueFinish = true;
}
if (m_assignGlobalTexture)
{
Shader.SetGlobalTexture(m_globalTextureName, m_outputTexture);
}
return(succeeded);
}
void LateUpdate()
{
if (!m_renderer)
{
return;
}
var cam = GetComponent <Camera>();
if (cam == null)
{
return;
}
if (m_generateRenderTexture)
{
var resolution = new Vector2Int(cam.pixelWidth, cam.pixelHeight);
if (m_outputTexture != null && (m_outputTexture.width != resolution.x || m_outputTexture.height != resolution.y))
{
// resolution was changed. release existing RenderTexture
#if UNITY_EDITOR
if (!AssetDatabase.Contains(m_outputTexture))
#endif
{
DestroyImmediate(m_outputTexture);
}
m_outputTexture = null;
}
if (m_outputTexture == null)
{
m_outputTexture = new RenderTexture(resolution.x, resolution.y, 0, RenderTextureFormat.RHalf);
m_outputTexture.name = "RaytracedHardShadow";
m_outputTexture.enableRandomWrite = true; // enable unordered access
m_outputTexture.Create();
if (m_assignGlobalTexture)
{
Shader.SetGlobalTexture(m_globalTextureName, m_outputTexture);
}
}
}
else if (m_outputTexture != null)
{
if (m_assignGlobalTexture)
{
Shader.SetGlobalTexture(m_globalTextureName, m_outputTexture);
}
}
if (m_outputTexture == null)
{
return;
}
{
rthsRenderFlag flags = 0;
if (m_cullBackFaces)
{
flags |= rthsRenderFlag.CullBackFaces;
}
if (m_flipCasterFaces)
{
flags |= rthsRenderFlag.FlipCasterFaces;
}
if (m_ignoreSelfShadow)
{
flags |= rthsRenderFlag.IgnoreSelfShadow;
}
if (m_keepSelfDropShadow)
{
flags |= rthsRenderFlag.KeepSelfDropShadow;
}
if (m_GPUSkinning)
{
flags |= rthsRenderFlag.GPUSkinning;
}
if (m_adaptiveSampling)
{
flags |= rthsRenderFlag.AdaptiveSampling;
}
if (m_antialiasing)
{
flags |= rthsRenderFlag.Antialiasing;
}
if (m_parallelCommandList)
{
flags |= rthsRenderFlag.ParallelCommandList;
}
if (m_clampBlendshapeWeights)
{
flags |= rthsRenderFlag.ClampBlendShapeWights;
}
if (m_dbgTimestamp)
{
flags |= rthsRenderFlag.DbgTimestamp;
}
if (m_dbgForceUpdateAS)
{
flags |= rthsRenderFlag.DbgForceUpdateAS;
}
m_renderer.BeginScene();
m_renderer.SetRaytraceFlags(flags);
m_renderer.SetShadowRayOffset(m_ignoreSelfShadow ? 0.0f : m_shadowRayOffset);
m_renderer.SetSelfShadowThreshold(m_selfShadowThreshold);
m_renderer.SetRenderTarget(GetRenderTargetData(m_outputTexture));
m_renderer.SetCamera(cam);
EnumerateLights(
l => { m_renderer.AddLight(l); },
scl => { m_renderer.AddLight(scl); }
);
EnumerateMeshRenderers(
(mr, rmask, cmask) => { m_renderer.AddGeometry(GetMeshInstanceData(mr), rmask, cmask); },
(smr, rmask, cmask) => { m_renderer.AddGeometry(GetMeshInstanceData(smr), rmask, cmask); }
);
m_renderer.EndScene();
}
if (++s_updateCount == s_instanceCount)
{
// last instance issues render event.
// all renderers do actual rendering tasks in render thread.
rthsRenderer.IssueRender();
}
}