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0028369: Visualization, Path Tracing - Expose radiance clamping setting in path tracing mode

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New parameter was added in the vrenderparams command:
vrenderparams -maxrad <value>
This commit is contained in:
dbp
2017-01-18 14:24:13 +03:00
committed by apn
parent 7a59f4ce9f
commit b09447ed89
9 changed files with 129 additions and 40 deletions
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73
src/OpenGl/OpenGl_View_Raytrace.cxx
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@@ -1731,6 +1731,9 @@ Standard_Boolean OpenGl_View::initRaytraceResources (const Handle(OpenGl_Context
aShaderProgram->GetUniformLocation (theGlContext, "uBackColorTop");
myUniformLocations[anIndex][OpenGl_RT_uBackColorBot] =
aShaderProgram->GetUniformLocation (theGlContext, "uBackColorBot");
myUniformLocations[anIndex][OpenGl_RT_uMaxRadiance] =
aShaderProgram->GetUniformLocation (theGlContext, "uMaxRadiance");
}
theGlContext->BindProgram (myOutImageProgram);
@@ -2465,38 +2468,24 @@ Standard_Boolean OpenGl_View::setUniformState (const Standard_Integer the
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uUnviewMat], anUnviewMat);
// Set ray-tracing intersection parameters
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uSceneRad], myRaytraceSceneRadius);
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uSceneEps], myRaytraceSceneEpsilon);
const Standard_Integer aLightSourceBufferSize =
static_cast<Standard_Integer> (myRaytraceGeometry.Sources.size());
// Set ray-tracing light source parameters
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uLightCount], aLightSourceBufferSize);
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uLightAmbnt], myRaytraceGeometry.Ambient);
// Enable/disable run-time rendering effects
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uShadowsEnabled], myRenderParams.IsShadowEnabled ? 1 : 0);
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uReflectEnabled], myRenderParams.IsReflectionEnabled ? 1 : 0);
// Set screen dimensions
myRaytraceProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uWinSizeX], theWinSizeX);
myRaytraceProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uWinSizeY], theWinSizeY);
if (myRenderParams.IsGlobalIlluminationEnabled) // if Monte-Carlo sampling enabled
{
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uBlockedRngEnabled], myRenderParams.CoherentPathTracingMode ? 1 : 0);
}
// Set 3D scene parameters
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uSceneRad], myRaytraceSceneRadius);
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uSceneEps], myRaytraceSceneEpsilon);
// Set light source parameters
const Standard_Integer aLightSourceBufferSize =
static_cast<Standard_Integer> (myRaytraceGeometry.Sources.size());
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uLightCount], aLightSourceBufferSize);
// Set array of 64-bit texture handles
if (theGlContext->arbTexBindless != NULL && myRaytraceGeometry.HasTextures())
@@ -2525,6 +2514,7 @@ Standard_Boolean OpenGl_View::setUniformState (const Standard_Integer the
myUniformLocations[theProgramId][OpenGl_RT_uBackColorBot], aBackColor);
}
// Set environment map parameters
const Standard_Boolean toDisableEnvironmentMap = myTextureEnv.IsNull() || !myTextureEnv->IsValid();
theProgram->SetUniform (theGlContext,
@@ -2533,6 +2523,37 @@ Standard_Boolean OpenGl_View::setUniformState (const Standard_Integer the
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uSphereMapForBack], myRenderParams.UseEnvironmentMapBackground ? 1 : 0);
if (myRenderParams.IsGlobalIlluminationEnabled) // GI parameters
{
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uMaxRadiance], myRenderParams.RadianceClampingValue);
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uBlockedRngEnabled], myRenderParams.CoherentPathTracingMode ? 1 : 0);
// Check whether we should restart accumulation for run-time parameters
if (myRenderParams.RadianceClampingValue != myRaytraceParameters.RadianceClampingValue
|| myRenderParams.UseEnvironmentMapBackground != myRaytraceParameters.UseEnvMapForBackground)
{
myAccumFrames = 0; // accumulation should be restarted
myRaytraceParameters.RadianceClampingValue = myRenderParams.RadianceClampingValue;
myRaytraceParameters.UseEnvMapForBackground = myRenderParams.UseEnvironmentMapBackground;
}
}
else // RT parameters
{
// Set ambient light source
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uLightAmbnt], myRaytraceGeometry.Ambient);
// Enable/disable run-time ray-tracing effects
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uShadowsEnabled], myRenderParams.IsShadowEnabled ? 1 : 0);
theProgram->SetUniform (theGlContext,
myUniformLocations[theProgramId][OpenGl_RT_uReflectEnabled], myRenderParams.IsReflectionEnabled ? 1 : 0);
}
return Standard_True;
}