Implement a rather hacky PickPixel implementation

qrenderdoc/Widgets/CustomPaintWidget.cpp

@@ -14,6 +14,16 @@ CustomPaintWidget::~CustomPaintWidget()
 
 }
 
+void CustomPaintWidget::mousePressEvent(QMouseEvent *e)
+{
+    emit clicked(e);
+}
+
+void CustomPaintWidget::mouseMoveEvent(QMouseEvent *e)
+{
+    emit mouseMove(e);
+}
+
 void CustomPaintWidget::paintEvent(QPaintEvent *e)
 {
 	if(m_Output)

qrenderdoc/Widgets/CustomPaintWidget.h

@@ -14,7 +14,13 @@ class CustomPaintWidget : public QWidget
 
 		void SetOutput(IReplayOutput *out) { m_Output = out; }
 
-	signals:
+    signals:
+        void clicked(QMouseEvent *e);
+        void mouseMove(QMouseEvent *e);
+
+    private slots:
+        void mousePressEvent(QMouseEvent *e);
+        void mouseMoveEvent(QMouseEvent *e);
 
 	public slots:
 

qrenderdoc/Windows/TextureViewer.cpp

@@ -26,6 +26,9 @@ m_Core(core)
 
 	QWidget *renderContainer = ui->renderContainer;
 
+    QObject::connect(ui->render, &CustomPaintWidget::clicked, this, &TextureViewer::on_render_clicked);
+    QObject::connect(ui->render, &CustomPaintWidget::mouseMove, this, &TextureViewer::on_render_clicked);
+
 	ui->dockarea->addToolWindow(ui->renderContainer, ToolWindowManager::EmptySpace);
 	ui->dockarea->setToolWindowProperties(renderContainer, ToolWindowManager::DisallowUserDocking |
 	                                                       ToolWindowManager::HideCloseButton |
@@ -113,6 +116,39 @@ TextureViewer::~TextureViewer()
 	delete ui;
 }
 
+void TextureViewer::on_render_clicked(QMouseEvent *e)
+{
+    uint32_t x = (uint32_t)e->x();
+    uint32_t y = (uint32_t)e->y();
+
+    if(e->buttons() & Qt::RightButton)
+    {
+        m_Core->Renderer()->AsyncInvoke([this,x,y](IReplayRenderer *) {
+
+            ResourceId id;
+            if(m_Core->APIProps().pipelineType == ePipelineState_D3D11)
+                id = m_Core->CurD3D11PipelineState.m_OM.RenderTargets[0].Resource;
+            else
+                id = m_Core->CurGLPipelineState.m_FB.m_DrawFBO.Color[0].Obj;
+
+            PixelValue val;
+            ReplayOutput_PickPixel(m_Output, id, false, x, y, 0, 0, 0, &val);
+
+            QString str = QString("Pixel %1 %2 %3 %4").arg(val.value_f[0]).arg(val.value_f[1]).arg(val.value_f[2]).arg(val.value_f[3]);
+
+            GUIInvoke::call([this,str,val]() {
+                ui->statusText->setText(str);
+                QPalette Pal(palette());
+
+                // set black background
+                Pal.setColor(QPalette::Background, QColor(int(val.value_f[0]*255), int(val.value_f[1]*255), int(val.value_f[2]*255)));
+                ui->pickSwatch->setAutoFillBackground(true);
+                ui->pickSwatch->setPalette(Pal);
+            });
+        });
+    }
+}
+
 void TextureViewer::OnLogfileLoaded()
 {
 #if defined(WIN32)

qrenderdoc/Windows/TextureViewer.h

@@ -2,6 +2,7 @@
 #define TEXTUREVIEWER_H
 
 #include <QFrame>
+#include <QMouseEvent>
 
 #include "Code/Core.h"
 
@@ -22,6 +23,9 @@ class TextureViewer : public QFrame, public ILogViewerForm
 		void OnLogfileClosed();
 		void OnEventSelected(uint32_t frameID, uint32_t eventID);
 
+    private slots:
+        void on_render_clicked(QMouseEvent *e);
+
 	private:
 		Ui::TextureViewer *ui;
 		Core *m_Core;

qrenderdoc/Windows/TextureViewer.ui

@@ -842,7 +842,7 @@
        </widget>
       </item>
       <item>
-       <widget class="QWidget" name="widget" native="true">
+       <widget class="QWidget" name="pickSwatch" native="true">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
           <horstretch>0</horstretch>
@@ -864,7 +864,7 @@
        </widget>
       </item>
       <item>
-       <widget class="QLabel" name="s">
+       <widget class="QLabel" name="statusText">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
           <horstretch>0</horstretch>