SDL_Renderer / GLES2: add specific list of indice to render rect (see #6401)

src/render/opengles2/SDL_render_gles2.c

@@ -2232,6 +2232,13 @@ GLES2_CreateRenderer(SDL_Window *window, Uint32 flags)
     }
 #endif
 
+    renderer->rect_indice_list[0] = 0;
+    renderer->rect_indice_list[1] = 1;
+    renderer->rect_indice_list[2] = 3;
+    renderer->rect_indice_list[3] = 1;
+    renderer->rect_indice_list[4] = 3;
+    renderer->rect_indice_list[5] = 2;
+
     /* Set up parameters for rendering */
     data->glActiveTexture(GL_TEXTURE0);
     data->glPixelStorei(GL_PACK_ALIGNMENT, 1);