From d8d38cd1078a40e2660c4dd4ff91966ac3f031bb Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Sun, 10 Jun 2018 19:56:17 +0200
Subject: [PATCH] Draw fpga model

---
 dummy/chip.cc         | 24 +++++++++++++++++++
 gui/fpgaviewwidget.cc | 55 +++++++++++++++++++++++++++++++++----------
 gui/fpgaviewwidget.h  |  1 +
 3 files changed, 67 insertions(+), 13 deletions(-)

diff --git a/dummy/chip.cc b/dummy/chip.cc
index 603be7e5..4184bc67 100644
--- a/dummy/chip.cc
+++ b/dummy/chip.cc
@@ -123,3 +123,27 @@ const vector<PipId> &Chip::getWireAliases(WireId wire) const
     static vector<PipId> ret;
     return ret;
 }
+
+vector<GraphicElement> Chip::getBelGraphics(BelId bel) const
+{
+    static vector<GraphicElement> ret;
+    return ret;
+}
+
+vector<GraphicElement> Chip::getWireGraphics(WireId wire) const
+{
+    static vector<GraphicElement> ret;
+    return ret;
+}
+
+vector<GraphicElement> Chip::getPipGraphics(PipId pip) const
+{
+    static vector<GraphicElement> ret;
+    return ret;
+}
+
+vector<GraphicElement> Chip::getFrameGraphics() const
+{
+    static vector<GraphicElement> ret;
+    return ret;
+}
diff --git a/gui/fpgaviewwidget.cc b/gui/fpgaviewwidget.cc
index 0e125449..db4179e4 100644
--- a/gui/fpgaviewwidget.cc
+++ b/gui/fpgaviewwidget.cc
@@ -7,7 +7,7 @@
 FPGAViewWidget::FPGAViewWidget(QWidget *parent)
         : QOpenGLWidget(parent), m_xMove(0), m_yMove(0), m_zDistance(1.0)
 {
-    design = static_cast<MainWindow *>(parent)->getDesign();
+    design = qobject_cast<MainWindow*>(parentWidget()->parentWidget()->parentWidget()->parentWidget())->getDesign();
 }
 
 FPGAViewWidget::~FPGAViewWidget() {}
@@ -51,6 +51,34 @@ void FPGAViewWidget::initializeGL()
     glClearColor(1.0, 1.0, 1.0, 0.0);
 }
 
+void FPGAViewWidget::drawElement(const GraphicElement &el)
+{
+    float scale = 1.0, offset = 0.0;
+    if (el.type == GraphicElement::G_BOX) {
+        glBegin(GL_LINES);
+        glVertex3f((offset + scale * el.x1), (offset + scale * el.y1), 0.0f);
+        glVertex3f((offset + scale * el.x2), (offset + scale * el.y1), 0.0f);
+
+        glVertex3f((offset + scale * el.x2), (offset + scale * el.y1), 0.0f);
+        glVertex3f((offset + scale * el.x2), (offset + scale * el.y2), 0.0f);
+
+        glVertex3f((offset + scale * el.x2), (offset + scale * el.y2), 0.0f);
+        glVertex3f((offset + scale * el.x1), (offset + scale * el.y2), 0.0f);
+        
+        glVertex3f((offset + scale * el.x1), (offset + scale * el.y2), 0.0f);
+        glVertex3f((offset + scale * el.x1), (offset + scale * el.y1), 0.0f);
+        glEnd();
+            
+    }
+
+    if (el.type == GraphicElement::G_LINE) {
+        glBegin(GL_LINES);
+        glVertex3f((offset + scale * el.x1), (offset + scale * el.y1), 0.0f);
+        glVertex3f((offset + scale * el.x2), (offset + scale * el.y2), 0.0f);
+        glEnd();
+    }
+}
+
 void FPGAViewWidget::paintGL()
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -59,8 +87,8 @@ void FPGAViewWidget::paintGL()
     glTranslatef(m_xMove, m_yMove, -10.0);
     glScalef(m_zDistance, m_zDistance, 0.0f);
 
-    // Example grid
-    glColor3f(0.8, 0.8, 0.8);
+    // Grid
+    glColor3f(0.9, 0.9, 0.9);
     glBegin(GL_LINES);
     for (float i = -100; i <= 100; i += 0.1) {
         glVertex3f((float)i, -100.0f, 0.0f);
@@ -68,7 +96,7 @@ void FPGAViewWidget::paintGL()
         glVertex3f(-100.0f, (float)i, 0.0f);
         glVertex3f(100.0f, (float)i, 0.0f);
     }
-    glColor3f(0.5, 0.5, 0.5);
+    glColor3f(0.7, 0.7, 0.7);
     for (int i = -100; i <= 100; i += 1) {
         glVertex3f((float)i, -100.0f, 0.0f);
         glVertex3f((float)i, 100.0f, 0.0f);
@@ -77,15 +105,16 @@ void FPGAViewWidget::paintGL()
     }
     glEnd();
 
-    // Example triangle
-    glBegin(GL_TRIANGLES);
-    glColor3f(1.0, 0.0, 0.0);
-    glVertex3f(-0.5, -0.5, 0);
-    glColor3f(0.0, 1.0, 0.0);
-    glVertex3f(0.5, -0.5, 0);
-    glColor3f(0.0, 0.0, 1.0);
-    glVertex3f(0, 0.5, 0);
-    glEnd();
+    glColor3f(0.1, 0.1, 0.1);
+    glLineWidth(0.1);
+    // Draw Bels
+    for (auto bel : design->chip.getBels()) {
+        for (auto &el : design->chip.getBelGraphics(bel))
+            drawElement(el);
+    }
+    // Draw Frame Graphics
+    for (auto &el : design->chip.getFrameGraphics())
+        drawElement(el);
 }
 
 void FPGAViewWidget::resizeGL(int width, int height)
diff --git a/gui/fpgaviewwidget.h b/gui/fpgaviewwidget.h
index 070dd2f3..1eb98065 100644
--- a/gui/fpgaviewwidget.h
+++ b/gui/fpgaviewwidget.h
@@ -32,6 +32,7 @@ class FPGAViewWidget : public QOpenGLWidget, protected QOpenGLFunctions
     void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
     void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
     void wheelEvent(QWheelEvent *event) Q_DECL_OVERRIDE;
+    void drawElement(const GraphicElement &el);
 
   private:
     int m_windowWidth;