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Fixed bug with NaN shadow anti frustum leading to disappearing shadows on some occasions

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This commit is contained in:
Olivier Prat 2018-08-04 16:51:05 +02:00
parent 92e64510ec
commit d457cf45d5
1 changed files with 7 additions and 2 deletions
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9
libraries/render-utils/src/RenderShadowTask.cpp
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@ -99,12 +99,14 @@ void RenderShadowTask::build(JobModel& task, const render::Varying& input, rende
// CPU jobs: finer grained culling
const auto cullInputs = CullShadowBounds::Inputs(sortedShapes, shadowFilter, antiFrustum).asVarying();
const auto culledShadowItemsAndBounds = task.addJob<CullShadowBounds>("CullShadowCascade", cullInputs, shadowCullFunctor);
sprintf(jobName, "CullShadowCascade%d", i);
const auto culledShadowItemsAndBounds = task.addJob<CullShadowBounds>(jobName, cullInputs, shadowCullFunctor);
// GPU jobs: Render to shadow map
sprintf(jobName, "RenderShadowMap%d", i);
task.addJob<RenderShadowMap>(jobName, culledShadowItemsAndBounds, shapePlumber, i);
task.addJob<RenderShadowCascadeTeardown>("ShadowCascadeTeardown", shadowFilter);
sprintf(jobName, "ShadowCascadeTeardown%d", i);
task.addJob<RenderShadowCascadeTeardown>(jobName, shadowFilter);
cascadeSceneBBoxes[i] = culledShadowItemsAndBounds.getN<CullShadowBounds::Outputs>(1);
}
@ -181,6 +183,9 @@ static void adjustNearFar(const AABox& inShapeBounds, ViewFrustum& shadowFrustum
computeNearFar(sceneBoundVertices, shadowClipPlanes, near, far);
// Limit the far range to the one used originally.
far = glm::min(far, shadowFrustum.getFarClip());
if (near > far) {
near = far;
}
const auto depthEpsilon = 0.1f;
auto projMatrix = glm::ortho(-1.0f, 1.0f, -1.0f, 1.0f, near - depthEpsilon, far + depthEpsilon);