From 56070f31e4e2b240bc92b4f221128d17dfe39e1f Mon Sep 17 00:00:00 2001
From: Rakarake <raka@rakarake.xyz>
Date: Mon, 8 Dec 2025 16:24:10 +0100
Subject: [PATCH] mrog

---
 fragment.glsl |  3 +++
 main.c        | 41 ++++++++++++++++++++++-------------------
 2 files changed, 25 insertions(+), 19 deletions(-)
 create mode 100644 fragment.glsl

diff --git a/fragment.glsl b/fragment.glsl
new file mode 100644
index 0000000..59aa912
--- /dev/null
+++ b/fragment.glsl
@@ -0,0 +1,3 @@
+void main() {
+	gl_FragColor = vec4(1.0,0.0,1.0,1.0);
+}
diff --git a/main.c b/main.c
index 1fde8b2..5656bb3 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,8 @@
+#define GL_GLEXT_PROTOTYPES
+
 #include <stdio.h>
 #include <GL/gl.h>
+#include <GL/glext.h>
 #include <SDL3/SDL.h>
 
 float tanf(float in) {
@@ -32,13 +35,6 @@ void perspective(float fovY, float aspect, float zNear, float zFar, float* matri
 void drawCube() {
     glBegin(GL_QUADS);
 
-    // Front
-    glColor3f(1, 0, 0);
-    glVertex3f(-1, -1,  1);
-    glVertex3f( 1, -1,  1);
-    glVertex3f( 1,  1,  1);
-    glVertex3f(-1,  1,  1);
-
     // Back
     glColor3f(0, 1, 0);
     glVertex3f(-1, -1, -1);
@@ -84,6 +80,15 @@ void checkGlError() {
     }
 }
 
+const char *vertex_shader_source = "";
+
+GLuint create_shader() {
+    GLuint vshader = glCreateShader(GL_VERTEX_SHADER);
+    glShaderSource(vshader, 1, &vertex_shader_source, NULL); // vertex_shader_source is a GLchar* containing glsl shader source code
+    glCompileShader(vshader);
+    return vshader;
+}
+
 int main() {
     printf("Good Morning 🍵\n");
     SDL_Init(SDL_INIT_VIDEO);
@@ -117,23 +122,21 @@ int main() {
         glViewport(0, 0, 800, 600);
         glClearColor(0.1f, 0.1f, 0.1f, 1.0f);  // Dark gray background
         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-        glMatrixMode(GL_PROJECTION);
-        glLoadIdentity();
         
-        float proj[16];
-        perspective(60.0f, 800.0f / 600.0f, 1.0f, 100.0f, proj);
-        glLoadMatrixf(proj);
+        //drawCube();
+        // Front
+        glBegin(GL_QUADS);
+        glColor3f(1, 0, 0);
+        glVertex2f(-1, -1);
+        glVertex2f(-1,  1);
+        glVertex2f( 1,  1);
+        glVertex2f( 1, -1);
+        glEnd();
 
-        glMatrixMode(GL_MODELVIEW);
-        glLoadIdentity();
-        glTranslatef(0.0f, 0.0f, -5.0f);
-        glRotatef(angle, 1.0f, 1.0f, 0.0f);
-        
-        drawCube();
         SDL_GL_SwapWindow(window);
         angle += 0.5;
     }
 
     checkGlError();
 }
+