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* underlying graphics API. While it's possible that we have done something
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* inefficiently, it's very unlikely especially if you are relatively
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* inexperienced with GPU rendering. Please see the performance tips above and
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* make sure you are following them. Additionally, tools like RenderDoc can be
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* very helpful for diagnosing incorrect behavior and performance issues.
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* make sure you are following them. Additionally, tools like
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* [RenderDoc](https://renderdoc.org/)
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* can be very helpful for diagnosing incorrect behavior and performance
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* issues.
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*
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* ## System Requirements
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*
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* unreferenced data in a bound resource without cycling, but overwriting a
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* section of data that has already been referenced will produce unexpected
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* results.
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*
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* ## Debugging
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*
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* At some point of your GPU journey, you will probably encounter issues that
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* are not traceable with regular debugger - for example, your code compiles
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* but you get an empty screen, or your shader fails in runtime.
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*
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* For debugging such cases, there are tools that allow visually inspecting
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* the whole GPU frame, every drawcall, every bound resource, memory buffers,
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* etc. They are the following, per platform:
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*
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* * For Windows/Linux, use
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* [RenderDoc](https://renderdoc.org/)
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* * For MacOS (Metal), use Xcode built-in debugger (Open XCode, go to Debug >
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* Debug Executable..., select your application, set "GPU Frame Capture" to
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* "Metal" in scheme "Options" window, run your app, and click the small
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* Metal icon on the bottom to capture a frame)
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*
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* Aside from that, you may want to enable additional debug layers to receive
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* more detailed error messages, based on your GPU backend:
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*
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* * For D3D12, the debug layer is an optional feature that can be installed
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* via "Windows Settings -> System -> Optional features" and adding the
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* "Graphics Tools" optional feature.
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* * For Vulkan, you will need to install Vulkan SDK on Windows, and on Linux,
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* you usually have some sort of `vulkan-validation-layers` system package
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* that should be installed.
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* * For Metal, it should be enough just to run the application from XCode to
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* receive detailed errors or warnings in the output.
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*
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* Don't hesitate to use tools as RenderDoc when encountering runtime issues
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* or unexpected output on screen, quick GPU frame inspection can usually help
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* you fix the majority of such problems.
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*/
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#ifndef SDL_gpu_h_
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