WIP: utils.c for factoring opengl tedious tasks, switch to OpenGL 3.3HEADmaster

For now, it display nothing, shaders changed without updating client code.

1 files changed, 5 insertions, 0 deletions

diff --git a/res/scene01_fs_colorfultest.glsl b/res/scene01_fs_colorfultest.glsl
new file mode 100644
index 0000000..15e33a1
--- /dev/null
+++ b/res/scene01_fs_colorfultest.glsl
@@ -0,0 +1,5 @@
+#version 330 core
+out vec3 color;
+void main(){
+  color = vec3(1,0,0);
+}