From a556b45abf18f1bd509daaf63b66b7d55e9fd291 Mon Sep 17 00:00:00 2001
From: jjesswan <jessica_wan@brown.edu>
Date: Mon, 22 Apr 2024 21:56:26 -0400
Subject: add engine version

---
 src/glwidget.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'src/glwidget.h')

diff --git a/src/glwidget.h b/src/glwidget.h
index b319756..71199d1 100755
--- a/src/glwidget.h
+++ b/src/glwidget.h
@@ -13,6 +13,12 @@
 #include <QTimer>
 #include <memory>
 
+struct TextureData{
+    GLuint textureID;
+    int width;
+    int height;
+};
+
 class GLWidget : public QOpenGLWidget
 {
     Q_OBJECT
@@ -39,6 +45,15 @@ private:
     void keyPressEvent    (QKeyEvent   *event) override;
     void keyReleaseEvent  (QKeyEvent   *event) override;
 
+    TextureData loadTextureFromFile(const char *path);
+    void makeFBO();
+    void initFullScreenQuad();
+    void paintTexture(GLuint texture, bool postProcessOn);
+
+
+
+
+
 private slots:
     // Physics Tick
     void tick();
@@ -69,4 +84,36 @@ private:
     bool m_rightCapture;
     SelectMode m_rightClickSelectMode;
     int m_lastSelectedVertex = -1;
+
+
+    int m_devicePixelRatio;
+      GLuint m_defaultFBO;
+      int m_fbo_width;
+      int m_fbo_height;
+      int m_screen_width;
+      int m_screen_height;
+
+        GLuint m_fullscreen_vbo;
+        GLuint m_fullscreen_vao;
+        GLuint m_fbo;
+        GLuint m_fbo_texture;
+        GLuint m_fbo_renderbuffer;
+    GLuint m_texture0;
+
+    std::vector<GLfloat> fullscreen_quad_data =
+     { //     POSITIONS    //
+         -1.f,  1.f, 0.0f,
+          0.f, 1.f, //uv
+         -1.f, -1.f, 0.0f,
+          0.f, 0.f, //uv
+          1.f, -1.f, 0.0f,
+          1.f, 0.f, //uv
+          1.f,  1.f, 0.0f,
+          1.f, 1.f, //uv
+         -1.f,  1.f, 0.0f,
+          0.f, 1.f, //uv
+          1.f, -1.f, 0.0f,
+          1.f, 0.f //uv
+     };
+
 };
-- 
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