mirror of https://github.com/libsdl-org/SDL.git
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8d8578785c
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@ -3499,19 +3499,26 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetGPUSwapchainParameters(
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/**
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* Configures the maximum allowed number of frames in flight.
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*
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* The default value when the device is created is 2.
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* This means that after you have submitted 2 frames for presentation, if the GPU has not finished working on the first frame, SDL_AcquireGPUSwapchainTexture() will block or return false depending on the present mode.
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* The default value when the device is created is 2. This means that after
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* you have submitted 2 frames for presentation, if the GPU has not finished
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* working on the first frame, SDL_AcquireGPUSwapchainTexture() will block or
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* return false depending on the present mode.
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*
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* Higher values increase throughput at the expense of visual latency.
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* Lower values decrease visual latency at the expense of throughput.
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* Higher values increase throughput at the expense of visual latency. Lower
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* values decrease visual latency at the expense of throughput.
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*
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* Note that calling this function will stall and flush the command queue to prevent synchronization issues.
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* Note that calling this function will stall and flush the command queue to
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* prevent synchronization issues.
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*
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* The minimum value of allowed frames in flight is 1, and the maximum is 3.
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*
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* \param device a GPU context.
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* \param allowed_frames_in_flight the maximum number of frames that can be pending on the GPU before AcquireSwapchainTexture blocks or returns false.
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* \returns true if successful, false on error; call SDL_GetError() for more information.
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* \param allowed_frames_in_flight the maximum number of frames that can be
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* pending on the GPU before
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* AcquireSwapchainTexture blocks or returns
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* false.
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* \returns true if successful, false on error; call SDL_GetError() for more
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* information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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