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#682 Add an update rate parameter to help throttle mirror updates. 

So far 4 seems like a good balance for performance and quality.  2 is great for quality, with 6 or 8 being for higher performance.  Also bring back the gaussian filter - may end up adding the FXAA filter though instead.
master
Jonathan "Geenz" Goodman 2024-02-21 11:51:46 -08:00
parent 8cea285114
commit e68735ad3a
5 changed files with 41 additions and 1 deletions
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11
indra/newview/app_settings/settings.xml
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@ -10390,6 +10390,17 @@
<key>Value</key>
<real>8</real>
</map>
<key>RenderHeroProbeUpdateRate</key>
<map>
<key>Comment</key>
<string>How many frames to wait for until it's time to render the probe. E.g., every other frame (1), every two frames (2), every three frames (3) etc.</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>S32</string>
<key>Value</key>
<real>1</real>
</map>
<key>RenderReflectionProbeVolumes</key>
<map>
<key>Comment</key>

24
indra/newview/llheroprobemanager.cpp
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@ -264,6 +264,30 @@ void LLHeroProbeManager::updateProbeFace(LLReflectionMap* probe, U32 face, F32 n
LLRenderTarget *screen_rt = &gPipeline.mHeroProbeRT.screen;
LLRenderTarget *depth_rt = &gPipeline.mHeroProbeRT.deferredScreen;
// perform a gaussian blur on the super sampled render before downsampling
{
gGaussianProgram.bind();
gGaussianProgram.uniform1f(resScale, 1.f / (mProbeResolution * 2));
S32 diffuseChannel = gGaussianProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_TEXTURE);
// horizontal
gGaussianProgram.uniform2f(direction, 1.f, 0.f);
gGL.getTexUnit(diffuseChannel)->bind(screen_rt);
mRenderTarget.bindTarget();
gPipeline.mScreenTriangleVB->setBuffer();
gPipeline.mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
mRenderTarget.flush();
// vertical
gGaussianProgram.uniform2f(direction, 0.f, 1.f);
gGL.getTexUnit(diffuseChannel)->bind(&mRenderTarget);
screen_rt->bindTarget();
gPipeline.mScreenTriangleVB->setBuffer();
gPipeline.mScreenTriangleVB->drawArrays(LLRender::TRIANGLES, 0, 3);
screen_rt->flush();
gGaussianProgram.unbind();
}
S32 mips = log2((F32)mProbeResolution) + 0.5f;
gReflectionMipProgram.bind();

2
indra/newview/llviewerdisplay.cpp
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@ -658,7 +658,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
{
// Render mirrors and associated hero probes before we render the rest of the scene.
// This ensures the scene state in the hero probes are exactly the same as the rest of the scene before we render it.
if (gPipeline.RenderMirrors && !gSnapshot)
if (gPipeline.RenderMirrors && !gSnapshot && (gPipeline.RenderHeroProbeUpdateRate == 0 || (gFrameCount % gPipeline.RenderHeroProbeUpdateRate) == 0))
{
LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("Update hero probes");
gPipeline.mHeroProbeManager.update();

4
indra/newview/pipeline.cpp
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@ -199,6 +199,7 @@ F32 LLPipeline::RenderScreenSpaceReflectionAdaptiveStepMultiplier;
S32 LLPipeline::RenderScreenSpaceReflectionGlossySamples;
S32 LLPipeline::RenderBufferVisualization;
bool LLPipeline::RenderMirrors;
S32 LLPipeline::RenderHeroProbeUpdateRate;
LLTrace::EventStatHandle<S64> LLPipeline::sStatBatchSize("renderbatchsize");
const U32 LLPipeline::MAX_BAKE_WIDTH = 512;
@ -559,6 +560,7 @@ void LLPipeline::init()
connectRefreshCachedSettingsSafe("RenderScreenSpaceReflectionGlossySamples");
connectRefreshCachedSettingsSafe("RenderBufferVisualization");
connectRefreshCachedSettingsSafe("RenderMirrors");
connectRefreshCachedSettingsSafe("RenderHeroProbeUpdateRate");
gSavedSettings.getControl("RenderAutoHideSurfaceAreaLimit")->getCommitSignal()->connect(boost::bind(&LLPipeline::refreshCachedSettings));
}
@ -1071,6 +1073,8 @@ void LLPipeline::refreshCachedSettings()
LLViewerShaderMgr::instance()->clearShaderCache();
LLViewerShaderMgr::instance()->setShaders();
}
RenderHeroProbeUpdateRate = gSavedSettings.getS32("RenderHeroProbeUpdateRate");
sReflectionProbesEnabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderReflectionsEnabled") && gSavedSettings.getBOOL("RenderReflectionsEnabled");
RenderSpotLight = nullptr;

1
indra/newview/pipeline.h
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@ -1056,6 +1056,7 @@ public:
static S32 RenderScreenSpaceReflectionGlossySamples;
static S32 RenderBufferVisualization;
static bool RenderMirrors;
static S32 RenderHeroProbeUpdateRate;
};
void render_bbox(const LLVector3 &min, const LLVector3 &max);