The GPU Usage ProfilerA window that helps you to optimize your game. It shows how much time is spent in the various areas of your game. For example, it can report the percentage of time spent rendering, animating, or in your game logic. More info
See in Glossary module displays where your application spends time in the GPU. You can only use the GPU Profiler in Playmode, or for builds of your application. You cannot use it to profile the Editor.
Note: If you have Graphics Jobs enabled in the Player SettingsSettings that let you set various player-specific options for the final game built by Unity. More info
See in Glossary, GPU profiling isn’t supported. For more information, see the documentation on Player Settings. Additionally, on macOS, you can profile the GPU only on Mavericks 10.9 and later.
The following table lists the platforms that the GPU Usage Profiler module supports:
Platform | Graphics API | Status |
---|---|---|
Windows | DirectX 11, DirectX 12, OpenGL | Supported |
Vulkan | Not supported | |
macOS | OpenGL | Supported. Note: Apple has deprecated support of OpenGL. |
Metal | Not supported. Use XCode’s GPU Frame Debugger UI(User Interface) Allows a user to interact with your application. Unity currently supports three UI systems. More info See in Glossary instead. |
|
Linux | OpenGL core | Supported |
Vulkan | Not supported | |
WebGLA JavaScript API that renders 2D and 3D graphics in a web browser. The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. More info See in Glossary |
All WebGL | Not supported |
Android | OpenGL | Supported on devices running NVIDIA or Intel GPUs. |
Vulkan | Not supported | |
iOS, tvOS | Metal | Not supported. Use XCode’s GPU Frame Debugger UI instead. |
Tizen | OpenGL | Not supported. |
On Windows, Unity supports Playmode profiling in the Editor with Direct3D 11 and Direct3D 12 APIs only. This is convenient for quick profiling, because it means you don’t need to build the Player; however, the overhead of running the Unity Editor affects the Profiler, which might make the profiling results less accurate.
The GPU Usage Profiler module’s chart has several different categories that you can use to investigate GPU timings. To change the order of the categories in the chart, you can drag and drop them in the chart’s legend. You can also click a category’s colored legend to toggle its display.
Chart category | Description |
---|---|
Opaque | Built-in rendering pipeline’s time to render opaque objects |
Transparent | Built-in rendering pipeline’s time to render transparent objects |
Shadows/Depth | Built-in rendering pipeline’s time to render shadow maps |
Deferred Lighting | Built-in deferred rendering pipeline’s time to do lighting. |
PostProcess | Built-in rendering pipeline’s time to process post processing effects. |
Other | Rendering time to process other things such as Scriptable Rendering Pipelines |
When you select the GPU Usage module, the details pane below it displays a breakdown of where the application spent time in the selected frame. You can display the timing data as a hierarchical table. To change the table views, use the top-left dropdown in the details pane (set to Hierarchy by default). The views available are:
View | Function |
---|---|
Hierarchy | Groups the timing data by its internal hierarchical structure. This option displays the elements that your application called in a descending list format, ordered by the time spent by default. You can also order the information by the total amount of GPU time, or the number of calls. To change the column that orders the table, click the table column’s header. |
Raw Hierarchy | Displays the timing data in a hierarchical structure that is similar to the call stacks where the timing occurred. Unity lists each call stack separately in this mode instead of merging them, as it does in Hierarchy view. |
When you select the GPU Usage Profiler module, the lower pane of the Profiler displays hierarchical time data for the selected frame. Select an item from the Hierarchy to see a breakdown of contributions in the right-hand panel. See documentation on the Profiler window to learn more about the Profiler window’s functionality.
The table views have the following columns:
Column | Function |
---|---|
Total | The total amount of time Unity spent on a particular function, as a percentage. |
DrawCalls | The number of calls made to this function in this frame. |
GPU ms | The total amount of time Unity spent on a particular function, in milliseconds. |
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