Differential D16774 Diff 58640 source/blender/gpu/GPU_context.h

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source/blender/gpu/GPU_context.h

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	/* GPU back-ends abstract the differences between different APIs. #GPU_context_create			/* GPU back-ends abstract the differences between different APIs. #GPU_context_create
	* automatically initializes the back-end, and #GPU_context_discard frees it when there			* automatically initializes the back-end, and #GPU_context_discard frees it when there
	* are no more contexts. */			* are no more contexts. */
	bool GPU_backend_supported(void);			bool GPU_backend_supported(void);
	void GPU_backend_type_selection_set(const eGPUBackendType backend);			void GPU_backend_type_selection_set(const eGPUBackendType backend);
	eGPUBackendType GPU_backend_type_selection_get(void);			eGPUBackendType GPU_backend_type_selection_get(void);
	eGPUBackendType GPU_backend_get_type(void);			eGPUBackendType GPU_backend_get_type(void);

				/**
				* Detect the most suited eGPUBackendType.
				*
				* - The detected backend will be set in `GPU_backend_type_selection_set`.
				* - When GPU_backend_type_selection_is_overridden it checks the overridden backend.
				* When not overridden it checks a default list.
				* - OpenGL backend will be checked as fallback for Metal.
				*
				* Returns true when detection found a supported backend, otherwise returns false.
				* When no supported backend is found GPU_backend_type_selection_set is called with
				* GPU_BACKEND_NONE.
				*/
				bool GPU_backend_type_selection_detect(void);

				/**
				* Alter the GPU_backend_type_selection_detect to only test a specific backend
				*/
				void GPU_backend_type_selection_set_override(eGPUBackendType backend_type);

				/**
				* Check if the GPU_backend_type_selection_detect is overridden to only test a specific backend.
				*/
				bool GPU_backend_type_selection_is_overridden(void);

	/** Opaque type hiding blender::gpu::Context. */			/** Opaque type hiding blender::gpu::Context. */
	typedef struct GPUContext GPUContext;			typedef struct GPUContext GPUContext;

	GPUContext GPU_context_create(void ghost_window, void *ghost_context);			GPUContext GPU_context_create(void ghost_window, void *ghost_context);
	/**			/**
	* To be called after #GPU_context_active_set(ctx_to_destroy).			* To be called after #GPU_context_active_set(ctx_to_destroy).
	*/			*/
	void GPU_context_discard(GPUContext *);			void GPU_context_discard(GPUContext *);
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