♻️ Extract GLES functions that are trivially safe

src/bin/pumpkin.rs

@@ -241,14 +241,12 @@ fn main () {
 	
 	const FALSE_U8: u8 = 0;
 	
-	unsafe {
 	enable_vertex_attrib_array (attrs ["pos"]);
 	enable_vertex_attrib_array (attrs ["uv"]);
 	enable_vertex_attrib_array (attrs ["normal"]);
 	
-		gl::Enable (gl::DEPTH_TEST);
-		gl::Enable (gl::TEXTURE);
-	}
+	glezz::enable (gl::DEPTH_TEST);
+	glezz::enable (gl::TEXTURE);
 	
 	let mut time_step = TimeStep::new (60, 1000);
 	let mut state = WorldState::new ();
@@ -307,11 +305,11 @@ fn main () {
 		let orange = orange * orange;
 		let green = green * green;
 		
-		unsafe {
-			gl::ClearColor (1.0f32, 1.0f32, 1.0f32, 1.0f32);
-			gl::Clear (gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT);
-			gl::Disable (gl::CULL_FACE);
+		glezz::clear_color (1.0f32, 1.0f32, 1.0f32, 1.0f32);
+		glezz::clear (gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT);
+		glezz::disable (gl::CULL_FACE);
 		
+		unsafe {
 			gl::Uniform3fv (unis ["min_bright"], 1, &black as *const Vec3 as *const f32);
 			gl::Uniform3fv (unis ["min_albedo"], 1, &white as *const Vec3 as *const f32);
 			

src/glezz.rs

@@ -0,0 +1,25 @@
+// Trivial wrappers around GLESv2 C functions that should be safe
+
+pub fn clear_color (r: f32, g: f32, b: f32, a: f32) {
+	unsafe {
+		gl::ClearColor (1.0f32, 1.0f32, 1.0f32, 1.0f32);
+	}
+}
+
+pub fn clear (flags: u32) {
+	unsafe {
+		gl::Clear (flags);
+	}
+}
+
+pub fn disable (constant: u32) {
+	unsafe {
+		gl::Disable (constant);
+	}
+}
+
+pub fn enable (constant: u32) {
+	unsafe {
+		gl::Enable (constant);
+	}
+}

src/lib.rs

@@ -1,4 +1,5 @@
 pub mod file;
+pub mod glezz;
 pub mod iqm;
 pub mod shader;
 pub mod texture;