Differential D13910 Diff 47377 source/blender/draw/engines/workbench/shaders/workbench_shadow_geom.glsl

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	#extension GL_ARB_gpu_shader5 : enable			#ifdef GPU_ARB_gpu_shader5

	#ifdef GL_ARB_gpu_shader5
	# define USE_INVOC_EXT			# define USE_INVOC_EXT
	#endif			#endif

	#ifdef DOUBLE_MANIFOLD
	# ifdef USE_INVOC_EXT
	# define invoc_len 2
	# else
	# define vert_len 8
	# endif
	#else
	# ifdef USE_INVOC_EXT
	# define invoc_len 1
	# else
	# define vert_len 4
	# endif
	#endif

	#ifdef USE_INVOC_EXT
	layout(lines_adjacency, invocations = invoc_len) in;
	layout(triangle_strip, max_vertices = 4) out;
	#else
	layout(lines_adjacency) in;
	layout(triangle_strip, max_vertices = vert_len) out;
	#endif

	uniform vec3 lightDirection = vec3(0.57, 0.57, -0.57);

	in VertexData
	{
	vec3 pos; /* local position */
	vec4 frontPosition; /* final ndc position */
	vec4 backPosition;
	}
	vData[];

	#define DEGENERATE_TRIS_WORKAROUND			#define DEGENERATE_TRIS_WORKAROUND
	#define DEGENERATE_TRIS_AREA_THRESHOLD 4e-17			#define DEGENERATE_TRIS_AREA_THRESHOLD 4e-17

	#define len_sqr(a) dot(a, a)			#define len_sqr(a) dot(a, a)

	void extrude_edge(bool invert)			void extrude_edge(bool invert)
	{			{
	/* Reverse order if backfacing the light. */			/* Reverse order if backfacing the light. */
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