shaderir: Bug fix: A wrong argument for fmt.Sprintf

This change also improves the result of espcae analysis.

Closes #1863

internal/graphicsdriver/opengl/context_desktop.go

@@ -418,9 +418,7 @@ func (c *context) uniformFloats(p program, location string, v []float32, typ sha
 	case shaderir.Mat4:
 		gl.UniformMatrix4fv(l, len, false, (*float32)(gl.Ptr(v)))
 	default:
-		// Copy shaderir.Type value to avoid heap allocation of typ.
+		panic(fmt.Sprintf("opengl: unexpected type: %s", typ.String()))
-		t := typ
-		panic(fmt.Sprintf("opengl: unexpected type: %s", t.String()))
 	}
 	return true
 }

internal/graphicsdriver/opengl/context_js.go

@@ -517,9 +517,7 @@ func (c *context) uniformFloats(p program, location string, v []float32, typ sha
 			gl.uniformMatrix4fv.Invoke(js.Value(l), false, arr.Call("subarray", 0, len(v)))
 		}
 	default:
-		// Copy shaderir.Type value to avoid heap allocation of typ.
+		panic(fmt.Sprintf("opengl: unexpected type: %s", typ.String()))
-		t := typ
-		panic(fmt.Sprintf("opengl: unexpected type: %s", t.String()))
 	}
 
 	return true

internal/graphicsdriver/opengl/context_mobile.go

@@ -384,9 +384,7 @@ func (c *context) uniformFloats(p program, location string, v []float32, typ sha
 	case shaderir.Mat4:
 		c.ctx.UniformMatrix4fv(int32(l), false, v)
 	default:
-		// Copy shaderir.Type value to avoid heap allocation of typ.
+		panic(fmt.Sprintf("opengl: unexpected type: %s", typ.String()))
-		t := typ
-		panic(fmt.Sprintf("opengl: unexpected type: %s", t.String()))
 	}
 	return true
 }

internal/shaderir/type.go

@@ -77,7 +77,7 @@ func (t *Type) String() string {
 		str += "}"
 		return str
 	default:
-		return fmt.Sprintf("?(unknown type: %d)", t)
+		return fmt.Sprintf("?(unknown type: %d)", t.Main)
 	}
 }