Use SetTexID instead

src/gl/imgui_impl_opengl3.cpp

@@ -100,7 +100,7 @@ static void ImGui_ImplOpenGL3_DestroyFontsTexture()
     {
         ImGuiIO& io = ImGui::GetIO();
         glDeleteTextures(1, &g_FontTexture);
-        io.Fonts->TexID = 0;
+        io.Fonts->SetTexID(0);
         g_FontTexture = 0;
     }
 }
@@ -128,7 +128,7 @@ bool ImGui_ImplOpenGL3_CreateFontsTexture()
     glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, pixels);
 
     // Store our identifier
-    io.Fonts->TexID = (ImTextureID)(intptr_t)g_FontTexture;
+    io.Fonts->SetTexID((ImTextureID)(intptr_t)g_FontTexture);
 
     // Restore state
     glBindTexture(GL_TEXTURE_2D, last_texture);

src/vulkan.cpp

@@ -969,7 +969,7 @@ static void check_fonts(struct swapchain_data* data)
       else
          desc_set = create_image_with_desc(data, width, height, VK_FORMAT_R8_UNORM, data->font_image, data->font_mem, data->font_image_view);
 
-      io.Fonts->TexID = (ImTextureID) desc_set;
+      io.Fonts->SetTexID((ImTextureID)desc_set);
 
       data->font_uploaded = false;
       data->sw_stats.font_params_hash = params.font_params_hash;