Load 1 into the alpha channel of RGB integer formats instead of 0.

src/libGLESv2/renderer/formatutils11.cpp

@@ -239,10 +239,10 @@ D3D11LoadFunctionMap buildD3D11LoadFunctionMap()
     insertLoadFunction(&map, GL_RGB16F,             GL_FLOAT,                          loadFloatRGBDataToHalfFloatRGBA      );
     insertLoadFunction(&map, GL_R11F_G11F_B10F,     GL_FLOAT,                          loadRGBFloatDataTo111110Float        );
     insertLoadFunction(&map, GL_RGB9_E5,            GL_FLOAT,                          loadRGBFloatDataTo999E5              );
-    insertLoadFunction(&map, GL_RGB8UI,             GL_UNSIGNED_BYTE,                  loadToNative3To4<GLubyte, 0x0>       );
-    insertLoadFunction(&map, GL_RGB8I,              GL_BYTE,                           loadToNative3To4<GLbyte, 0x0>        );
-    insertLoadFunction(&map, GL_RGB16UI,            GL_UNSIGNED_SHORT,                 loadToNative3To4<GLushort, 0x0>      );
-    insertLoadFunction(&map, GL_RGB16I,             GL_SHORT,                          loadToNative3To4<GLshort, 0x0>       );
+    insertLoadFunction(&map, GL_RGB8UI,             GL_UNSIGNED_BYTE,                  loadToNative3To4<GLubyte, 0x01>      );
+    insertLoadFunction(&map, GL_RGB8I,              GL_BYTE,                           loadToNative3To4<GLbyte, 0x01>       );
+    insertLoadFunction(&map, GL_RGB16UI,            GL_UNSIGNED_SHORT,                 loadToNative3To4<GLushort, 0x0001>   );
+    insertLoadFunction(&map, GL_RGB16I,             GL_SHORT,                          loadToNative3To4<GLshort, 0x0001>    );
     insertLoadFunction(&map, GL_RGB32UI,            GL_UNSIGNED_INT,                   loadToNative<GLuint, 3>              );
     insertLoadFunction(&map, GL_RGB32I,             GL_INT,                            loadToNative<GLint, 3>               );
     insertLoadFunction(&map, GL_RG8,                GL_UNSIGNED_BYTE,                  loadToNative<GLubyte, 2>             );