Refactor WebGL context to provide a read-only accessor for client state

Author: EndlessJour9527

fixtures/html/webgl-conformance/getparameter-binding-test.html

@@ -41,26 +41,9 @@ <h1>WebGL getParameter Binding Test</h1>
       }
     }
 
-    // Create WebGL1 context
-    const canvas1 = document.createElement('canvas');
-    const gl1 = canvas1.getContext('webgl');
-    
-    if (gl1) {
-      results.innerHTML += '<h2>WebGL 1.0 Binding Parameters</h2>';
-      testParameter(gl1, 'ARRAY_BUFFER_BINDING', gl1.ARRAY_BUFFER_BINDING);
-      testParameter(gl1, 'ELEMENT_ARRAY_BUFFER_BINDING', gl1.ELEMENT_ARRAY_BUFFER_BINDING);
-      testParameter(gl1, 'FRAMEBUFFER_BINDING', gl1.FRAMEBUFFER_BINDING);
-      testParameter(gl1, 'RENDERBUFFER_BINDING', gl1.RENDERBUFFER_BINDING);
-      testParameter(gl1, 'TEXTURE_BINDING_2D', gl1.TEXTURE_BINDING_2D);
-      testParameter(gl1, 'TEXTURE_BINDING_CUBE_MAP', gl1.TEXTURE_BINDING_CUBE_MAP);
-      testParameter(gl1, 'CURRENT_PROGRAM', gl1.CURRENT_PROGRAM);
-    } else {
-      log('WebGL 1.0 not supported', false);
-    }
-
     // Create WebGL2 context
     const canvas2 = document.createElement('canvas');
-    const gl2 = canvas2.getContext('webgl2');
+    const gl2 = navigator.gl || canvas2.getContext('webgl2');
 
     if (gl2) {
       results.innerHTML += '<h2>WebGL 2.0 Binding Parameters</h2>';

src/client/graphics/webgl_context.hpp

@@ -725,13 +725,6 @@ namespace endor
       }
 
     private:
-      /**
-       * @returns the client state of the WebGL context.
-       */
-      WebGLState &clientState()
-      {
-        return clientState_;
-      }
       /**
        * an XR-compatible WebGL context could be configured as an `XRWebGLLayer` object and be connected to a specific WebXR
        * session. At the same time, each WebXR session could own 1 base layer, thus the XR-compatible WebGL context to a WebXR
@@ -771,6 +764,14 @@ namespace endor
       std::string renderer;
       // The default handedness of the coordinate system to use.
       commandbuffers::MatrixHandedness defaultCoordHandedness = commandbuffers::MatrixHandedness::MATRIX_RIGHT_HANDED;
+      /**
+       * @returns the client state of the WebGL context.
+       */
+      // Read-only accessor
+      const WebGLState &clientState() const
+      {
+        return clientState_;
+      }
 
     protected:
       TrClientContextPerProcess *clientContext_;