refactor(app): move gl calls to utils functions

Author: tymmesyde

src/app/webview/gl.rs

@@ -179,3 +179,21 @@ pub fn update_texture(
         BindTexture(TEXTURE_2D, 0);
     }
 }
+
+pub fn resize_viewport(width: i32, height: i32) {
+    unsafe {
+        epoxy::Viewport(0, 0, width, height);
+    }
+}
+
+pub fn draw_texture(program: GLuint, texture: GLuint, texture_uniform: GLint, vao: GLuint) {
+    unsafe {
+        epoxy::UseProgram(program);
+        epoxy::ActiveTexture(epoxy::TEXTURE0);
+        epoxy::BindTexture(epoxy::TEXTURE_2D, texture);
+        epoxy::Uniform1i(texture_uniform, 0);
+
+        epoxy::BindVertexArray(vao);
+        epoxy::DrawArrays(epoxy::TRIANGLE_STRIP, 0, 4);
+    }
+}

src/app/webview/imp.rs

@@ -121,22 +121,17 @@ impl GLAreaImpl for WebView {
                     &frame.buffer,
                 );
 
-                unsafe {
-                    epoxy::Viewport(
-                        0,
-                        0,
-                        frame.full_width * scale_factor,
-                        frame.full_height * scale_factor,
-                    );
-
-                    epoxy::UseProgram(self.program.get());
-                    epoxy::ActiveTexture(epoxy::TEXTURE0);
-                    epoxy::BindTexture(epoxy::TEXTURE_2D, self.texture.get());
-                    epoxy::Uniform1i(self.texture_uniform.get(), 0);
-
-                    epoxy::BindVertexArray(self.vao.get());
-                    epoxy::DrawArrays(epoxy::TRIANGLE_STRIP, 0, 4);
-                }
+                gl::resize_viewport(
+                    frame.full_width * scale_factor,
+                    frame.full_height * scale_factor,
+                );
+
+                gl::draw_texture(
+                    self.program.get(),
+                    self.texture.get(),
+                    self.texture_uniform.get(),
+                    self.vao.get(),
+                );
             } else {
                 break;
             }