A lot of PSP optimizations

src/duskgl/display/mesh/meshgl.c

@@ -25,16 +25,7 @@ errorret_t meshInitGL(
   mesh->vertices = vertices;
 
   #ifdef DUSK_OPENGL_LEGACY
-    // Nothing needed.
-    #if MESH_ENABLE_COLOR
-      glEnableClientState(GL_COLOR_ARRAY);
-      errorChain(errorGLCheck());
-    #endif
-    
-    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-    errorChain(errorGLCheck());
-    glEnableClientState(GL_VERTEX_ARRAY);
-    errorChain(errorGLCheck());
+    // Nothing needed; client state is enabled once globally in displayOpenGLInit.
   #else
     // Generate Vertex Buffer Object
     glGenBuffers(1, &mesh->vboId);
@@ -82,20 +73,6 @@ errorret_t meshInitGL(
     glEnableVertexAttribArray(1);
     errorChain(errorGLCheck());
 
-    #if MESH_ENABLE_COLOR
-      glVertexAttribPointer(
-        2,
-        sizeof(color_t) / sizeof(GLubyte),
-        GL_UNSIGNED_BYTE,
-        GL_TRUE,
-        sizeof(meshvertex_t),
-        (const GLvoid*)offsetof(meshvertex_t, color)
-      );
-      errorChain(errorGLCheck());
-      glEnableVertexAttribArray(2);
-      errorChain(errorGLCheck());
-    #endif
-
     // Unbind VAO and VBO to prevent accidental modification
     glBindBuffer(GL_ARRAY_BUFFER, 0);
     errorChain(errorGLCheck());
@@ -138,15 +115,6 @@ errorret_t meshDrawGL(
     // Legacy pointer style rendering
     const GLsizei stride = sizeof(meshvertex_t);
 
-    #if MESH_ENABLE_COLOR
-      glColorPointer(
-        sizeof(color4b_t),
-        GL_UNSIGNED_BYTE,
-        stride,
-        (const GLvoid*)&mesh->vertices[offset].color
-      );
-    #endif
-
     glTexCoordPointer(
       MESH_VERTEX_UV_SIZE,
       GL_FLOAT,