Differential D4935 Diff 15567 intern/cycles/kernel/osl/osl_services.h

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	* By default it uses TextureSystem::TextureHandle. But since we want to support			* By default it uses TextureSystem::TextureHandle. But since we want to support
	* different kinds of textures and color space conversions, this is our own handle			* different kinds of textures and color space conversions, this is our own handle
	* with additional data.			* with additional data.
	*			*
	* These are stored in a concurrent hash map, because OSL can compile multiple			* These are stored in a concurrent hash map, because OSL can compile multiple
	* shaders in parallel. */			* shaders in parallel. */

	struct OSLTextureHandle : public OIIO::RefCnt {			struct OSLTextureHandle : public OIIO::RefCnt {
				/*
				* OIIO - OpenImageIO (https://github.com/OpenImageIO/oiio)
				* SVM - Shader Virtual-Machine (internal)
				* IES - Illuminating Engineering Society (Photometric lighting standard)
				* BEVEL - "bevel"
				* AO - Ambient Occlusion
				*/
	enum Type { OIIO, SVM, IES, BEVEL, AO };			enum Type { OIIO, SVM, IES, BEVEL, AO };

	OSLTextureHandle(Type type = OIIO, int svm_slot = -1)			OSLTextureHandle(Type type = OIIO, int svm_slot = -1)
	: type(type), svm_slot(svm_slot), oiio_handle(NULL), processor(NULL)			: type(type), svm_slot(svm_slot), oiio_handle(NULL), processor(NULL)
	{			{
	}			}

	Type type;			Type type;
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