GUI: new osc renderer, part 21

part 11? I must have been drunk
alternate approach for OpenGL ES (no more hangs)

src/gui/chanOsc.cpp

@@ -182,16 +182,30 @@ void FurnaceGUI::drawChanOsc() {
         ImGui::TableNextColumn();
         if (ImGui::Checkbox("Randomize phase on note",&chanOscRandomPhase)) {
         }
-        ImGui::EndTable();
-      }
 
-      ImGui::AlignTextToFramePadding();
+        ImGui::TableNextRow();
-      ImGui::Text("Amplitude");
+        ImGui::TableNextColumn();
-      ImGui::SameLine();
+        ImGui::AlignTextToFramePadding();
-      ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
+        ImGui::Text("Amplitude");
-      if (CWSliderFloat("##COSAmp",&chanOscAmplify,0.0f,2.0f)) {
+        ImGui::SameLine();
-        if (chanOscAmplify<0.0f) chanOscAmplify=0.0f;
+        ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
-        if (chanOscAmplify>2.0f) chanOscAmplify=2.0f;
+        if (CWSliderFloat("##COSAmp",&chanOscAmplify,0.0f,2.0f)) {
+          if (chanOscAmplify<0.0f) chanOscAmplify=0.0f;
+          if (chanOscAmplify>2.0f) chanOscAmplify=2.0f;
+        }
+
+        ImGui::TableNextColumn();
+        ImGui::AlignTextToFramePadding();
+        ImGui::Text("Line size");
+        ImGui::SameLine();
+        ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
+        if (CWSliderFloat("##COSLine",&chanOscLineSize,0.25f,16.0f)) {
+          if (chanOscLineSize<0.25f) chanOscLineSize=0.26f;
+          if (chanOscLineSize>16.0f) chanOscLineSize=16.0f;
+        }
+
+
+        ImGui::EndTable();
       }
 
       ImGui::Checkbox("Gradient",&chanOscUseGrad);
@@ -706,6 +720,7 @@ void FurnaceGUI::drawChanOsc() {
                 fft->drawOp.pos0=inRect.Min;
                 fft->drawOp.pos1=inRect.Max;
                 fft->drawOp.color=ImGui::ColorConvertU32ToFloat4(color);
+                fft->drawOp.lineSize=dpiScale*chanOscLineSize;
 
                 dl->AddCallback(_drawOsc,&fft->drawOp);
                 dl->AddCallback(ImDrawCallback_ResetRenderState,NULL);
@@ -713,7 +728,7 @@ void FurnaceGUI::drawChanOsc() {
                 //ImGui::PushClipRect(inRect.Min,inRect.Max,false);
                 //ImDrawListFlags prevFlags=dl->Flags;
                 //dl->Flags&=~(ImDrawListFlags_AntiAliasedLines|ImDrawListFlags_AntiAliasedLinesUseTex);
-                dl->AddPolyline(waveform,precision,color,ImDrawFlags_None,dpiScale);
+                dl->AddPolyline(waveform,precision,color,ImDrawFlags_None,dpiScale*chanOscLineSize);
                 //dl->Flags=prevFlags;
                 //ImGui::PopClipRect();
               }

src/gui/gui.cpp

@@ -6613,6 +6613,7 @@ bool FurnaceGUI::init() {
   chanOscTextX=e->getConfFloat("chanOscTextX",0.0f);
   chanOscTextY=e->getConfFloat("chanOscTextY",0.0f);
   chanOscAmplify=e->getConfFloat("chanOscAmplify",0.95f);
+  chanOscLineSize=e->getConfFloat("chanOscLineSize",1.0f);
   chanOscWindowSize=e->getConfFloat("chanOscWindowSize",20.0f);
   chanOscWaveCorr=e->getConfBool("chanOscWaveCorr",true);
   chanOscOptions=e->getConfBool("chanOscOptions",false);
@@ -6935,8 +6936,6 @@ bool FurnaceGUI::init() {
     }
   }
 
-  newOscLineWidth=dpiScale;
-
   updateWindowTitle();
 
   rend->clear(ImVec4(0.0,0.0,0.0,1.0));
@@ -7165,6 +7164,7 @@ void FurnaceGUI::commitState() {
   e->setConf("chanOscTextX",chanOscTextX);
   e->setConf("chanOscTextY",chanOscTextY);
   e->setConf("chanOscAmplify",chanOscAmplify);
+  e->setConf("chanOscLineSize",chanOscLineSize);
   e->setConf("chanOscWindowSize",chanOscWindowSize);
   e->setConf("chanOscWaveCorr",chanOscWaveCorr);
   e->setConf("chanOscOptions",chanOscOptions);
@@ -7314,7 +7314,6 @@ FurnaceGUI::FurnaceGUI():
   shallDetectScale(0),
   cpuCores(0),
   secondTimer(0.0f),
-  newOscLineWidth(2.0f),
   userEvents(0xffffffff),
   mobileMenuPos(0.0f),
   autoButtonSize(0.0f),
@@ -7680,6 +7679,7 @@ FurnaceGUI::FurnaceGUI():
   chanOscTextX(0.0f),
   chanOscTextY(0.0f),
   chanOscAmplify(0.95f),
+  chanOscLineSize(1.0f),
   chanOscWaveCorr(true),
   chanOscOptions(false),
   updateChanOscGradTex(true),

src/gui/gui.h

@@ -1455,13 +1455,15 @@ struct PendingDrawOsc {
   ImVec2 pos0;
   ImVec2 pos1;
   ImVec4 color;
+  float lineSize;
   PendingDrawOsc():
     gui(NULL),
     data(NULL),
     len(0),
     pos0(0,0),
     pos1(0,0),
-    color(0,0,0,0) {}
+    color(0,0,0,0),
+    lineSize(0.0f) {}
 };
 
 class FurnaceGUI {
@@ -1521,7 +1523,7 @@ class FurnaceGUI {
   int wheelCalmDown;
   int shallDetectScale;
   int cpuCores;
-  float secondTimer, newOscLineWidth;
+  float secondTimer;
   unsigned int userEvents;
   float mobileMenuPos, autoButtonSize, mobileEditAnim;
   ImVec2 mobileEditButtonPos, mobileEditButtonSize;
@@ -1684,6 +1686,7 @@ class FurnaceGUI {
     int oscEscapesBoundary;
     int oscMono;
     int oscAntiAlias;
+    float oscLineSize;
     int separateFMColors;
     int insEditColorize;
     int metroVol;
@@ -1886,6 +1889,7 @@ class FurnaceGUI {
       oscEscapesBoundary(0),
       oscMono(1),
       oscAntiAlias(1),
+      oscLineSize(1.0f),
       separateFMColors(0),
       insEditColorize(0),
       metroVol(100),
@@ -2284,7 +2288,7 @@ class FurnaceGUI {
 
   // per-channel oscilloscope
   int chanOscCols, chanOscAutoColsType, chanOscColorX, chanOscColorY;
-  float chanOscWindowSize, chanOscTextX, chanOscTextY, chanOscAmplify;
+  float chanOscWindowSize, chanOscTextX, chanOscTextY, chanOscAmplify, chanOscLineSize;
   bool chanOscWaveCorr, chanOscOptions, updateChanOscGradTex, chanOscUseGrad, chanOscNormalize, chanOscRandomPhase;
   String chanOscTextFormat;
   ImVec4 chanOscColor, chanOscTextColor;

src/gui/osc.cpp

@@ -110,7 +110,7 @@ void FurnaceGUI::readOsc() {
       avg+=oscValues[j][i];
     }
     avg/=e->getAudioDescGot().outChans;
-    oscValuesAverage[i]=avg;
+    oscValuesAverage[i]=avg*oscZoom;
   }
 
   /*for (int i=0; i<oscWidth; i++) {
@@ -150,7 +150,7 @@ static void _drawOsc(const ImDrawList* drawList, const ImDrawCmd* cmd) {
 }
 
 void FurnaceGUI::runPendingDrawOsc(PendingDrawOsc* which) {
-  rend->drawOsc(which->data,which->len,which->pos0,which->pos1,which->color,ImVec2(canvasW,canvasH),newOscLineWidth);
+  rend->drawOsc(which->data,which->len,which->pos0,which->pos1,which->color,ImVec2(canvasW,canvasH),which->lineSize);
 }
 
 void FurnaceGUI::drawOsc() {
@@ -300,6 +300,7 @@ void FurnaceGUI::drawOsc() {
             _do.pos0=inRect.Min;
             _do.pos1=inRect.Max;
             _do.color=isClipping?uiColors[GUI_COLOR_OSC_WAVE_PEAK]:uiColors[GUI_COLOR_OSC_WAVE];
+            _do.lineSize=dpiScale*settings.oscLineSize;
 
             dl->AddCallback(_drawOsc,&_do);
             dl->AddCallback(ImDrawCallback_ResetRenderState,NULL);
@@ -316,37 +317,49 @@ void FurnaceGUI::drawOsc() {
 
             if (settings.oscEscapesBoundary) {
               dl->PushClipRectFullScreen();
-              dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale);
+              dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale*settings.oscLineSize);
               dl->PopClipRect();
             } else {
-              dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale);
+              dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale*settings.oscLineSize);
             }
           }
         } else {
           for (int ch=0; ch<e->getAudioDescGot().outChans; ch++) {
-            for (int i=0; i<oscWidth-24; i++) {
-              float x=(float)i/(float)(oscWidth-24);
-              float y=oscValues[ch][i+12]*oscZoom;
-              if (!settings.oscEscapesBoundary) {
-                if (y<-0.5f) y=-0.5f;
-                if (y>0.5f) y=0.5f;
-              }
-              waveform[i]=ImLerp(inRect.Min,inRect.Max,ImVec2(x,0.5f-y));
-            }
-
             if (!isClipping) {
-              //color=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_WAVE_CH0+ch]);
+              color=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_WAVE_CH0+ch]);
             }
 
-            /*
+            if (rend->supportsDrawOsc() && settings.shaderOsc) {
-            if (settings.oscEscapesBoundary) {
+              _do.gui=this;
-              dl->PushClipRectFullScreen();
+              _do.data=&oscValues[ch][12];
-              dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale);
+              _do.len=oscWidth-24;
-              dl->PopClipRect();
+              _do.pos0=inRect.Min;
+              _do.pos1=inRect.Max;
+              _do.color=isClipping?uiColors[GUI_COLOR_OSC_WAVE_PEAK]:uiColors[GUI_COLOR_OSC_WAVE_CH0+ch];
+              _do.lineSize=dpiScale*settings.oscLineSize;
+
+              dl->AddCallback(_drawOsc,&_do);
+              dl->AddCallback(ImDrawCallback_ResetRenderState,NULL);
             } else {
-              dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale);
+              for (int i=0; i<oscWidth-24; i++) {
+                float x=(float)i/(float)(oscWidth-24);
+                float y=oscValues[ch][i+12]*oscZoom;
+                if (!settings.oscEscapesBoundary) {
+                  if (y<-0.5f) y=-0.5f;
+                  if (y>0.5f) y=0.5f;
+                }
+                waveform[i]=ImLerp(inRect.Min,inRect.Max,ImVec2(x,0.5f-y));
+              }
+
+              
+              if (settings.oscEscapesBoundary) {
+                dl->PushClipRectFullScreen();
+                dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale*settings.oscLineSize);
+                dl->PopClipRect();
+              } else {
+                dl->AddPolyline(waveform,oscWidth-24,color,ImDrawFlags_None,dpiScale*settings.oscLineSize);
+              }
             }
-            */
           }
         }
       }

src/gui/render/renderGL.cpp

@@ -116,7 +116,8 @@ const char* sh_oscRender_srcF=
   "  float slope=abs(valmax-valmin)*uResolution.y*0.5;\n"
   "  float slopeDiv=min(uAdvance,(uAdvance/slope));\n"
   "  float xRight=uv.x+((uLineWidth)/uResolution.x);\n"
-  "  for (float x=max(0.0,uv.x-(uLineWidth/uResolution.x)); x<=xRight; x+=slopeDiv) {\n"
+  "  for (float s=0.0; s<max(1,slope); s+=1.0) {\n"
+  "    float x=max(0.0,uv.x-(uLineWidth/uResolution.x)+s*slopeDiv);\n"
   "    float val=texture2D(oscVal,vec2(x,1.0)).x*uResolution.y*0.5;\n"
   "    alpha+=clamp(uLineWidth-distance(vec2(fur_fragCoord.x,fur_fragCoord.y),vec2(x*uResolution.x,val)),0.0,1.0);\n"
   "  }\n"

src/gui/settings.cpp

@@ -3200,6 +3200,12 @@ void FurnaceGUI::drawSettings() {
           settingsChanged=true;
         }
 
+        if (ImGui::SliderFloat("Line size",&settings.oscLineSize,0.25f,16.0f,"%.1f")) {
+          if (settings.oscLineSize<0.25f) settings.oscLineSize=0.25f;
+          if (settings.oscLineSize>16.0f) settings.oscLineSize=16.0f;
+          settingsChanged=true;
+        } rightClickable
+
         // SUBSECTION WINDOWS
         CONFIG_SUBSECTION("Windows");
         bool roundedWindowsB=settings.roundedWindows;
@@ -3977,6 +3983,7 @@ void FurnaceGUI::readConfig(DivConfig& conf, FurnaceGUISettingGroups groups) {
     settings.oscEscapesBoundary=conf.getInt("oscEscapesBoundary",0);
     settings.oscMono=conf.getInt("oscMono",1);
     settings.oscAntiAlias=conf.getInt("oscAntiAlias",1);
+    settings.oscLineSize=conf.getFloat("oscLineSize",1.0f);
 
     settings.channelColors=conf.getInt("channelColors",1);
     settings.channelTextColors=conf.getInt("channelTextColors",0);
@@ -4263,6 +4270,7 @@ void FurnaceGUI::readConfig(DivConfig& conf, FurnaceGUISettingGroups groups) {
   clampSetting(settings.basicColors,0,1);
   clampSetting(settings.playbackTime,0,1);
   clampSetting(settings.shaderOsc,0,1);
+  clampSetting(settings.oscLineSize,0.25f,16.0f);
 
   if (settings.exportLoops<0.0) settings.exportLoops=0.0;
   if (settings.exportFadeOut<0.0) settings.exportFadeOut=0.0;  
@@ -4443,6 +4451,7 @@ void FurnaceGUI::writeConfig(DivConfig& conf, FurnaceGUISettingGroups groups) {
     conf.set("oscEscapesBoundary",settings.oscEscapesBoundary);
     conf.set("oscMono",settings.oscMono);
     conf.set("oscAntiAlias",settings.oscAntiAlias);
+    conf.set("oscLineSize",settings.oscLineSize);
 
     conf.set("channelColors",settings.channelColors);
     conf.set("channelTextColors",settings.channelTextColors);