opengl_x11

commit 71eb5d10c9e4e0b1b1237534b1f82cca01a2b3e5
parent cf43653b6fb397f55bff8958d8590afeaf688ad7
Author: bsandro <email@bsandro.tech>
Date:   Fri, 21 Nov 2025 01:39:20 +0200

cubes are 800x600

Diffstat:
M
cube.c
 | 
5
++---

1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/cube.c b/cube.c
@@ -56,7 +56,6 @@ static const GLchar *fragmentSrc = R"(
 #version 420
 uniform double iTime;
 uniform sampler2D ourTex;
-//uniform mat4 trans;
 out vec4 outColor;
 in vec2 texCoord;
 void main() {
@@ -155,7 +154,7 @@ int main(int argc, char *argv[]) {
     Colormap cmap = XCreateColormap(dpy, root, vi->visual, AllocNone);
     swa.colormap = cmap;
     swa.event_mask = ExposureMask | KeyPressMask;
-    win = XCreateWindow(dpy, root, 0, 0, 500, 500, 0, vi->depth, InputOutput, vi->visual, CWColormap | CWEventMask, &swa);
+    win = XCreateWindow(dpy, root, 0, 0, 800, 600, 0, vi->depth, InputOutput, vi->visual, CWColormap | CWEventMask, &swa);
     XMapWindow(dpy, win);
     XStoreName(dpy, win, "OPENGL");
     GLXContext ctx = glXCreateContext(dpy, vi, NULL, GL_TRUE);
@@ -266,7 +265,7 @@ int main(int argc, char *argv[]) {
     glm_mat4_identity(view);
     glm_translate(view, (vec3){0.f, 0.f, -3.f});
     mat4 projection;
-    glm_perspective(glm_rad(45.f), 800.f/600.f, 0.1f, 100.f, projection);
+    glm_perspective(glm_rad(45.f), 4.f/3.f, 0.1f, 100.f, projection);
 
     glm_mat4_print(model, stdout);
     glm_mat4_print(view, stdout);