Differential D13361 Diff 45286 intern/cycles/kernel/geom/subd_triangle.h

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	*/			*/

	/* Functions for retrieving attributes on triangles produced from subdivision meshes */			/* Functions for retrieving attributes on triangles produced from subdivision meshes */

	#pragma once			#pragma once

	CCL_NAMESPACE_BEGIN			CCL_NAMESPACE_BEGIN

	/* Patch index for triangle, -1 if not subdivision triangle */

	ccl_device_inline uint subd_triangle_patch(KernelGlobals kg, ccl_private const ShaderData *sd)
	{
	return (sd->prim != PRIM_NONE) ? kernel_tex_fetch(__tri_patch, sd->prim) : ~0;
	}

	/* UV coords of triangle within patch */			/* UV coords of triangle within patch */

	ccl_device_inline void subd_triangle_patch_uv(KernelGlobals kg,			ccl_device_inline void subd_triangle_patch_uv(KernelGlobals kg,
	ccl_private const ShaderData *sd,			ccl_private const ShaderData *sd,
	float2 uv[3])			float2 uv[3])
	{			{
	uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);			uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);

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