emscripten build fix: remove glfw functions

Author: Suriya Dakshina Murthy

src/shader.cpp

@@ -378,11 +378,11 @@ void Shader::begin()
     CHK(glUseProgram(m_shader_handle));
 
     // debug: setting uniforms here
-    float timeValue = glfwGetTime();
-    float greenValue = (sin(timeValue)/2.0f) + 0.5f;
-    int vertexColorLocation = glGetUniformLocation(m_shader_handle, "our_color");
-    glUseProgram(m_shader_handle);
-    glUniform4f(vertexColorLocation, 0.0f, greenValue, 0.0f, 1.0f);
+//    float timeValue = glfwGetTime();
+//    float greenValue = (sin(timeValue)/2.0f) + 0.5f;
+//    int vertexColorLocation = glGetUniformLocation(m_shader_handle, "our_color");
+//    glUseProgram(m_shader_handle);
+//    glUniform4f(vertexColorLocation, 0.0f, greenValue, 0.0f, 1.0f);
 
 #if defined(HELLOIMGUI_USE_GLAD)
     CHK(glBindVertexArray(m_vertex_array_handle));

src/webrenderer.cpp

@@ -105,6 +105,9 @@ void WebRenderer::draw_background() {
         }
         //viewport_size = int2{800, 600};
 
+        //
+        // clear the framebuffer and set up the viewport
+        //
         m_render_pass.resize(fbsize);
         m_render_pass.set_viewport(viewport_offset * fbscale, viewport_size * fbscale);
         m_render_pass.set_clear_color(float4{m_bg_color, 1.f});