Differential D16243 Diff 58431 source/blender/draw/engines/eevee/shaders/surface_lib.glsl

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source/blender/draw/engines/eevee/shaders/surface_lib.glsl

	/** This describe the entire interface of the shader. */			/** This describe the entire interface of the shader. */

	#pragma BLENDER_REQUIRE(common_math_lib.glsl)			#pragma BLENDER_REQUIRE(common_math_lib.glsl)
	#pragma BLENDER_REQUIRE(common_math_lib.glsl)			#pragma BLENDER_REQUIRE(common_math_lib.glsl)

				/* Global interface for SSR.
				* SSR will set these global variables itself.
				* Also make false positive compiler warnings disappear by setting values. */
				#define SSR_INTERFACE \
				vec3 worldPosition = vec3(0); \
				vec3 viewPosition = vec3(0); \
				vec3 worldNormal = vec3(0); \
				vec3 viewNormal = vec3(0);

				/* Skip interface declaration when using create-info. */
				#ifndef USE_GPU_SHADER_CREATE_INFO

	#define SURFACE_INTERFACE \			# define SURFACE_INTERFACE \
	vec3 worldPosition; \			vec3 worldPosition; \
	vec3 viewPosition; \			vec3 viewPosition; \
	vec3 worldNormal; \			vec3 worldNormal; \
	vec3 viewNormal;			vec3 viewNormal;

	#ifndef IN_OUT			# ifndef IN_OUT
	# if defined(GPU_VERTEX_SHADER)			# if defined(GPU_VERTEX_SHADER)
	# define IN_OUT out			# define IN_OUT out
	# elif defined(GPU_FRAGMENT_SHADER)			# elif defined(GPU_FRAGMENT_SHADER)
	# define IN_OUT in			# define IN_OUT in
	# endif			# endif
	#endif			# endif

	#ifndef EEVEE_GENERATED_INTERFACE			# ifndef EEVEE_GENERATED_INTERFACE
	# if defined(STEP_RESOLVE) \|\| defined(STEP_RAYTRACE)			# if defined(STEP_RESOLVE) \|\| defined(STEP_RAYTRACE)
	/* SSR will set these global variables itself.
	* Also make false positive compiler warnings disappear by setting values. */			SSR_INTERFACE
	vec3 worldPosition = vec3(0);
	vec3 viewPosition = vec3(0);
	vec3 worldNormal = vec3(0);
	vec3 viewNormal = vec3(0);

	# elif defined(GPU_GEOMETRY_SHADER)			# elif defined(GPU_GEOMETRY_SHADER)
	in ShaderStageInterface{SURFACE_INTERFACE} dataIn[];			in ShaderStageInterface{SURFACE_INTERFACE} dataIn[];

	out ShaderStageInterface{SURFACE_INTERFACE} dataOut;			out ShaderStageInterface{SURFACE_INTERFACE} dataOut;

	# define PASS_SURFACE_INTERFACE(vert) \			# define PASS_SURFACE_INTERFACE(vert) \
	dataOut.worldPosition = dataIn[vert].worldPosition; \			dataOut.worldPosition = dataIn[vert].worldPosition; \
	dataOut.viewPosition = dataIn[vert].viewPosition; \			dataOut.viewPosition = dataIn[vert].viewPosition; \
	dataOut.worldNormal = dataIn[vert].worldNormal; \			dataOut.worldNormal = dataIn[vert].worldNormal; \
	dataOut.viewNormal = dataIn[vert].viewNormal;			dataOut.viewNormal = dataIn[vert].viewNormal;

	# else /* GPU_VERTEX_SHADER \|\| GPU_FRAGMENT_SHADER*/			# else /* GPU_VERTEX_SHADER \|\| GPU_FRAGMENT_SHADER*/

	IN_OUT ShaderStageInterface{SURFACE_INTERFACE};			IN_OUT ShaderStageInterface{SURFACE_INTERFACE};

	# endif			# endif
	#endif /* EEVEE_GENERATED_INTERFACE */			# endif /* EEVEE_GENERATED_INTERFACE */

	#ifdef HAIR_SHADER			# ifdef HAIR_SHADER
	IN_OUT ShaderHairInterface			IN_OUT ShaderHairInterface
	{			{
	/* world space */			/* world space */
	vec3 hairTangent;			vec3 hairTangent;
	float hairThickTime;			float hairThickTime;
	float hairThickness;			float hairThickness;
	float hairTime;			float hairTime;
	flat int hairStrandID;			flat int hairStrandID;
	vec2 hairBary;			vec2 hairBary;
	};			};
	#endif			# endif

	#ifdef POINTCLOUD_SHADER			# ifdef POINTCLOUD_SHADER
	IN_OUT ShaderPointCloudInterface			IN_OUT ShaderPointCloudInterface
	{			{
	/* world space */			/* world space */
	float pointRadius;			float pointRadius;
	float pointPosition;			float pointPosition;
	flat int pointID;			flat int pointID;
	};			};
	#endif			# endif

				#else
				/ Checks to ensure create-info is setup correctly. /
				# ifdef HAIR_SHADER
				# ifndef USE_SURFACE_LIB_HAIR
				#error Ensure CreateInfo eevee_legacy_surface_lib_hair is included if using surface library with a hair shader.
				# endif
				# endif

				# ifdef POINTCLOUD_SHADER
				# ifndef USE_SURFACE_LIB_POINTCLOUD
				#error Ensure CreateInfo eevee_legacy_surface_lib_pointcloud is included if using surface library with a hair shader.
				# endif
				# endif

				/* SSR Global Interface. */
				# if defined(STEP_RESOLVE) \|\| defined(STEP_RAYTRACE)
				SSR_INTERFACE
				# endif

				#endif /* USE_GPU_SHADER_CREATE_INFO */

	#if defined(GPU_FRAGMENT_SHADER) && defined(CODEGEN_LIB)			#if defined(GPU_FRAGMENT_SHADER) && defined(CODEGEN_LIB)

	# if defined(USE_BARYCENTRICS) && !defined(HAIR_SHADER)			# if defined(USE_BARYCENTRICS) && !defined(HAIR_SHADER)
	vec3 barycentric_distances_get()			vec3 barycentric_distances_get()
	{			{
	/* NOTE: No need to undo perspective divide since it is not applied yet. */			/* NOTE: No need to undo perspective divide since it is not applied yet. */
	vec3 pos0 = (ProjectionMatrixInverse * gpu_position_at_vertex(0)).xyz;			vec3 pos0 = (ProjectionMatrixInverse * gpu_position_at_vertex(0)).xyz;
	vec3 pos1 = (ProjectionMatrixInverse * gpu_position_at_vertex(1)).xyz;			vec3 pos1 = (ProjectionMatrixInverse * gpu_position_at_vertex(1)).xyz;
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