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-rw-r--r--indra/newview/app_settings/settings.xml11
-rw-r--r--indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl15
-rw-r--r--indra/newview/llviewercontrol.cpp1
-rw-r--r--indra/newview/llviewershadermgr.cpp11
-rw-r--r--indra/newview/pipeline.cpp16
-rw-r--r--indra/newview/pipeline.h1
6 files changed, 53 insertions, 2 deletions
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 9f3a5bd5b9..8e5e092250 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -10225,6 +10225,17 @@
<key>Value</key>
<real>1.3</real>
</map>
+ <key>RenderGlowNoise</key>
+ <map>
+ <key>Comment</key>
+ <string>Enables glow noise (dithering). Reduces banding from glow in certain cases.</string>
+ <key>Persist</key>
+ <integer>1</integer>
+ <key>Type</key>
+ <string>Boolean</string>
+ <key>Value</key>
+ <real>1</real>
+ </map>
<key>DisableAllRenderTypes</key>
<map>
<key>Comment</key>
diff --git a/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl b/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl
index 7a5e14566b..b5437d43d2 100644
--- a/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl
+++ b/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl
@@ -28,6 +28,10 @@
out vec4 frag_color;
uniform sampler2D diffuseMap;
+#if HAS_NOISE
+uniform sampler2D glowNoiseMap;
+uniform vec2 screen_res;
+#endif
uniform float minLuminance;
uniform float maxExtractAlpha;
uniform vec3 lumWeights;
@@ -44,7 +48,16 @@ void main()
float lum = smoothstep(minLuminance, minLuminance+1.0, dot(col.rgb, lumWeights ) );
float warmth = smoothstep(minLuminance, minLuminance+1.0, max(col.r * warmthWeights.r, max(col.g * warmthWeights.g, col.b * warmthWeights.b)) );
- frag_color.rgb = col.rgb;
+#if HAS_NOISE
+ float TRUE_NOISE_RES = 128; // See mTrueNoiseMap
+ // *NOTE: Usually this is vary_fragcoord not vary_texcoord0, but glow extraction is in screen space
+ vec3 glow_noise = texture(glowNoiseMap, vary_texcoord0.xy * (screen_res / TRUE_NOISE_RES)).xyz;
+ // Dithering. Reduces banding effects in the reduced precision glow buffer.
+ float NOISE_DEPTH = 64.0;
+ col.rgb += glow_noise / NOISE_DEPTH;
+ col.rgb = max(col.rgb, vec3(0));
+#endif
+ frag_color.rgb = col.rgb;
frag_color.a = max(col.a, mix(lum, warmth, warmthAmount) * maxExtractAlpha);
}
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index 9707a2a7e6..9f4287c23d 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -710,6 +710,7 @@ void settings_setup_listeners()
setting_setup_signal_listener(gSavedSettings, "RenderGlow", handleSetShaderChanged);
setting_setup_signal_listener(gSavedSettings, "RenderGlowResolutionPow", handleReleaseGLBufferChanged);
setting_setup_signal_listener(gSavedSettings, "RenderGlowHDR", handleReleaseGLBufferChanged);
+ setting_setup_signal_listener(gSavedSettings, "RenderGlowNoise", handleSetShaderChanged);
setting_setup_signal_listener(gSavedSettings, "RenderGammaFull", handleSetShaderChanged);
setting_setup_signal_listener(gSavedSettings, "RenderVolumeLODFactor", handleVolumeLODChanged);
setting_setup_signal_listener(gSavedSettings, "RenderAvatarLODFactor", handleAvatarLODChanged);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 4559d71d6d..82b16d67bd 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -898,11 +898,20 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
if (success)
{
- gGlowExtractProgram.mName = "Glow Extract Shader (Post)";
+ const bool use_glow_noise = gSavedSettings.getBOOL("RenderGlowNoise");
+ const std::string glow_noise_label = use_glow_noise ? " (+Noise)" : "";
+
+ gGlowExtractProgram.mName = llformat("Glow Extract Shader (Post)%s", glow_noise_label.c_str());
gGlowExtractProgram.mShaderFiles.clear();
gGlowExtractProgram.mShaderFiles.push_back(make_pair("effects/glowExtractV.glsl", GL_VERTEX_SHADER));
gGlowExtractProgram.mShaderFiles.push_back(make_pair("effects/glowExtractF.glsl", GL_FRAGMENT_SHADER));
gGlowExtractProgram.mShaderLevel = mShaderLevel[SHADER_EFFECT];
+
+ if (use_glow_noise)
+ {
+ gGlowExtractProgram.addPermutation("HAS_NOISE", "1");
+ }
+
success = gGlowExtractProgram.createShader(NULL, NULL);
if (!success)
{
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 4183990261..d50e671e05 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -157,6 +157,7 @@ S32 LLPipeline::RenderGlowResolutionPow;
S32 LLPipeline::RenderGlowIterations;
F32 LLPipeline::RenderGlowWidth;
F32 LLPipeline::RenderGlowStrength;
+bool LLPipeline::RenderGlowNoise;
bool LLPipeline::RenderDepthOfField;
bool LLPipeline::RenderDepthOfFieldInEditMode;
F32 LLPipeline::CameraFocusTransitionTime;
@@ -517,6 +518,7 @@ void LLPipeline::init()
connectRefreshCachedSettingsSafe("RenderGlowIterations");
connectRefreshCachedSettingsSafe("RenderGlowWidth");
connectRefreshCachedSettingsSafe("RenderGlowStrength");
+ connectRefreshCachedSettingsSafe("RenderGlowNoise");
connectRefreshCachedSettingsSafe("RenderDepthOfField");
connectRefreshCachedSettingsSafe("RenderDepthOfFieldInEditMode");
connectRefreshCachedSettingsSafe("CameraFocusTransitionTime");
@@ -1007,6 +1009,7 @@ void LLPipeline::refreshCachedSettings()
RenderGlowIterations = gSavedSettings.getS32("RenderGlowIterations");
RenderGlowWidth = gSavedSettings.getF32("RenderGlowWidth");
RenderGlowStrength = gSavedSettings.getF32("RenderGlowStrength");
+ RenderGlowNoise = gSavedSettings.getBOOL("RenderGlowNoise");
RenderDepthOfField = gSavedSettings.getBOOL("RenderDepthOfField");
RenderDepthOfFieldInEditMode = gSavedSettings.getBOOL("RenderDepthOfFieldInEditMode");
CameraFocusTransitionTime = gSavedSettings.getF32("CameraFocusTransitionTime");
@@ -6886,6 +6889,19 @@ void LLPipeline::generateGlow(LLRenderTarget* src)
warmthWeights.mV[2]);
gGlowExtractProgram.uniform1f(LLShaderMgr::GLOW_WARMTH_AMOUNT, warmthAmount);
+ if (RenderGlowNoise)
+ {
+ S32 channel = gGlowExtractProgram.enableTexture(LLShaderMgr::GLOW_NOISE_MAP);
+ if (channel > -1)
+ {
+ gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mTrueNoiseMap);
+ gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+ }
+ gGlowExtractProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES,
+ mGlow[2].getWidth(),
+ mGlow[2].getHeight());
+ }
+
{
LLGLEnable blend_on(GL_BLEND);
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 961a55330a..c0559ce83b 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -1001,6 +1001,7 @@ public:
static S32 RenderGlowIterations;
static F32 RenderGlowWidth;
static F32 RenderGlowStrength;
+ static bool RenderGlowNoise;
static bool RenderDepthOfField;
static bool RenderDepthOfFieldInEditMode;
static F32 CameraFocusTransitionTime;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 04:24:16 +0000