#include <math.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_material_types.h"
#include "DNA_scene_types.h"
#include "DNA_world_types.h"
#include "BLI_ghash.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_string.h"
#include "BLI_string_utils.h"
#include "BLI_utildefines.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_node.h"
#include "BKE_scene.h"
#include "GPU_material.h"
#include "GPU_shader.h"
#include "GPU_texture.h"
#include "GPU_uniform_buffer.h"
#include "DRW_engine.h"
#include "gpu_codegen.h"
#include "gpu_node_graph.h"

Classes
struct	GPUColorBandBuilder

struct	GPUMaterial

struct	GPUSssKernelData

Macros
#define	MAX_COLOR_BAND 128

#define	SSS_SAMPLES 65

#define	SSS_EXPONENT 2.0f /* Importance sampling exponent */

#define	GAUSS_TRUNCATE 12.46f

#define	BURLEY_TRUNCATE 16.0f

#define	BURLEY_TRUNCATE_CDF 0.9963790093708328f

#define	INTEGRAL_RESOLUTION 32

#define	INTEGRAL_RESOLUTION 512

Typedefs
typedef struct GPUColorBandBuilder	GPUColorBandBuilder

typedef struct GPUSssKernelData	GPUSssKernelData

Enumerations
enum	{ GPU_USE_SURFACE_OUTPUT = (1 << 0) , GPU_USE_VOLUME_OUTPUT = (1 << 1) }

Functions
GPUTexture **	gpu_material_ramp_texture_row_set (GPUMaterial mat, int size, float pixels, float *row)

static void	gpu_material_ramp_texture_build (GPUMaterial *mat)

static void	gpu_material_free_single (GPUMaterial *material)

void	GPU_material_free (ListBase *gpumaterial)

Scene *	GPU_material_scene (GPUMaterial *material)

GPUPass *	GPU_material_get_pass (GPUMaterial *material)

GPUShader *	GPU_material_get_shader (GPUMaterial *material)

Material *	GPU_material_get_material (GPUMaterial *material)

GPUUniformBuf *	GPU_material_uniform_buffer_get (GPUMaterial *material)

void	GPU_material_uniform_buffer_create (GPUMaterial material, ListBase inputs)

static void	sss_calculate_offsets (GPUSssKernelData *kd, int count, float exponent)

static float	gaussian_profile (float r, float radius)

static float	burley_profile (float r, float d)

static float	cubic_profile (float r, float radius, float sharpness)

static float	eval_profile (float r, short falloff_type, float sharpness, float param)

static float	eval_integral (float x0, float x1, short falloff_type, float sharpness, float param)

static void	compute_sss_kernel (GPUSssKernelData *kd, const float radii[3], int sample_len, int falloff_type, float sharpness)

static void	compute_sss_translucence_kernel (const GPUSssKernelData kd, int resolution, short falloff_type, float sharpness, float *output)

void	GPU_material_sss_profile_create (GPUMaterial material, float radii[3], const short falloff_type, const float *sharpness)

struct GPUUniformBuf *	GPU_material_sss_profile_get (GPUMaterial material, int sample_len, GPUTexture *tex_profile)

struct GPUUniformBuf *	GPU_material_create_sss_profile_ubo (void)

ListBase	GPU_material_attributes (GPUMaterial *material)

ListBase	GPU_material_textures (GPUMaterial *material)

ListBase	GPU_material_volume_grids (GPUMaterial *material)

GPUUniformAttrList *	GPU_material_uniform_attributes (GPUMaterial *material)

void	GPU_material_output_link (GPUMaterial material, GPUNodeLink link)

void	GPU_material_add_output_link_aov (GPUMaterial material, GPUNodeLink link, int hash)

GPUNodeGraph *	gpu_material_node_graph (GPUMaterial *material)

GSet *	gpu_material_used_libraries (GPUMaterial *material)

eGPUMaterialStatus	GPU_material_status (GPUMaterial *mat)

bool	GPU_material_has_surface_output (GPUMaterial *mat)

bool	GPU_material_has_volume_output (GPUMaterial *mat)

bool	GPU_material_is_volume_shader (GPUMaterial *mat)

void	GPU_material_flag_set (GPUMaterial *mat, eGPUMatFlag flag)

bool	GPU_material_flag_get (GPUMaterial *mat, eGPUMatFlag flag)

GPUMaterial *	GPU_material_from_nodetree_find (ListBase gpumaterials, const void engine_type, int options)

GPUMaterial *	GPU_material_from_nodetree (Scene scene, struct Material ma, struct bNodeTree ntree, ListBase gpumaterials, const void engine_type, const int options, const bool is_volume_shader, const char vert_code, const char geom_code, const char frag_lib, const char defines, const char name, GPUMaterialEvalCallbackFn callback)

void	GPU_material_compile (GPUMaterial *mat)

void	GPU_materials_free (Main *bmain)

Detailed Description

Manages materials, lights and textures.

Definition in file gpu_material.c.

Macro Definition Documentation

◆ BURLEY_TRUNCATE

#define BURLEY_TRUNCATE 16.0f

Definition at line 281 of file gpu_material.c.

◆ BURLEY_TRUNCATE_CDF

#define BURLEY_TRUNCATE_CDF 0.9963790093708328f

Definition at line 282 of file gpu_material.c.

◆ GAUSS_TRUNCATE

#define GAUSS_TRUNCATE 12.46f

Definition at line 269 of file gpu_material.c.

◆ INTEGRAL_RESOLUTION [1/2]

#define INTEGRAL_RESOLUTION 32

Definition at line 439 of file gpu_material.c.

◆ INTEGRAL_RESOLUTION [2/2]

#define INTEGRAL_RESOLUTION 512

Definition at line 439 of file gpu_material.c.

◆ MAX_COLOR_BAND

#define MAX_COLOR_BAND 128

Definition at line 58 of file gpu_material.c.

◆ SSS_EXPONENT

#define SSS_EXPONENT 2.0f /* Importance sampling exponent */

Definition at line 247 of file gpu_material.c.

◆ SSS_SAMPLES

#define SSS_SAMPLES 65

Definition at line 246 of file gpu_material.c.

Typedef Documentation

◆ GPUColorBandBuilder

typedef struct GPUColorBandBuilder GPUColorBandBuilder

◆ GPUSssKernelData

typedef struct GPUSssKernelData GPUSssKernelData

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
GPU_USE_SURFACE_OUTPUT
GPU_USE_VOLUME_OUTPUT

Definition at line 113 of file gpu_material.c.

Function Documentation

◆ burley_profile()

static float burley_profile	(	float	r,
		float	d
	)

static

Definition at line 283 of file gpu_material.c.

References expf, and r.

Referenced by eval_profile().

◆ compute_sss_kernel()

static void compute_sss_kernel	(	GPUSssKernelData *	kd,
		const float	radii[3],
		int	sample_len,
		int	falloff_type,
		float	sharpness
	)

static

Definition at line 344 of file gpu_material.c.

References A, BURLEY_TRUNCATE, copy_v3_v3(), copy_v4_v4(), ELEM, eval_integral(), fabsf, GPUSssKernelData::kernel, l, M_1_PI, MAX2, MAX3, GPUSssKernelData::max_radius, mul_v3_fl(), mul_v3_v3fl(), GPUSssKernelData::param, GPUSssKernelData::samples, SHD_SUBSURFACE_BURLEY, SHD_SUBSURFACE_CUBIC, SHD_SUBSURFACE_RANDOM_WALK, sss_calculate_offsets(), SSS_EXPONENT, and sum().

Referenced by GPU_material_sss_profile_get().

◆ compute_sss_translucence_kernel()

static void compute_sss_translucence_kernel	(	const GPUSssKernelData *	kd,
		int	resolution,
		short	falloff_type,
		float	sharpness,
		float **	output
	)

static

Definition at line 440 of file gpu_material.c.

References add_v3_v3(), eval_profile(), float(), hypotf, INTEGRAL_RESOLUTION, M_PI, GPUSssKernelData::max_radius, MEM_callocN, mul_v3_fl(), output, GPUSssKernelData::param, r, and sqrtf.

Referenced by GPU_material_sss_profile_get().

◆ cubic_profile()

static float cubic_profile	(	float	r,
		float	radius,
		float	sharpness
	)

static

Definition at line 290 of file gpu_material.c.

References M_PI, powf, r, and y.

Referenced by eval_profile().

◆ eval_integral()

static float eval_integral	(	float	x0,
		float	x1,
		short	falloff_type,
		float	sharpness,
		float	param
	)

static

Definition at line 328 of file gpu_material.c.

References eval_profile(), float(), INTEGRAL_RESOLUTION, x, and y.

Referenced by compute_sss_kernel().

◆ eval_profile()

static float eval_profile	(	float	r,
		short	falloff_type,
		float	sharpness,
		float	param
	)

static

Definition at line 312 of file gpu_material.c.

References burley_profile(), BURLEY_TRUNCATE_CDF, cubic_profile(), ELEM, fabsf, gaussian_profile(), r, SHD_SUBSURFACE_BURLEY, SHD_SUBSURFACE_CUBIC, and SHD_SUBSURFACE_RANDOM_WALK.

Referenced by compute_sss_translucence_kernel(), and eval_integral().

◆ gaussian_profile()

static float gaussian_profile	(	float	r,
		float	radius
	)

static

Definition at line 270 of file gpu_material.c.

References expf, GAUSS_TRUNCATE, M_PI, r, sqrtf, and v.

Referenced by eval_profile().

◆ GPU_material_add_output_link_aov()

void GPU_material_add_output_link_aov	(	GPUMaterial *	material,
		GPUNodeLink *	link,
		int	hash
	)

Definition at line 600 of file gpu_material.c.

References BLI_addtail(), hash, GPUNodeGraphOutputLink::hash, material, MEM_callocN, and GPUNodeGraphOutputLink::outlink.

Referenced by node_shader_gpu_output_aov().

◆ GPU_material_attributes()

ListBase GPU_material_attributes ( GPUMaterial * material )

Definition at line 572 of file gpu_material.c.

References material.

Referenced by curve_cd_calc_used_gpu_layers(), and mesh_cd_calc_used_gpu_layers().

◆ GPU_material_compile()

void GPU_material_compile ( GPUMaterial * mat )

Definition at line 775 of file gpu_material.c.

References BLI_assert, GPU_MAT_FAILED, GPU_MAT_QUEUED, GPU_MAT_SUCCESS, gpu_node_graph_free(), gpu_node_graph_free_nodes(), GPU_pass_compile(), GPU_pass_release(), GPU_pass_shader_get(), GPUMaterial::graph, GPUMaterial::name, NULL, GPUMaterial::pass, and GPUMaterial::status.

Referenced by drw_deferred_shader_add(), drw_deferred_shader_compilation_exec(), and drw_deferred_shader_compilation_free().

◆ GPU_material_create_sss_profile_ubo()

struct GPUUniformBuf* GPU_material_create_sss_profile_ubo ( void )

Definition at line 564 of file gpu_material.c.

References GPU_uniformbuf_create.

◆ GPU_material_flag_get()

bool GPU_material_flag_get	(	GPUMaterial *	mat,
		eGPUMatFlag	flag
	)

Definition at line 646 of file gpu_material.c.

References GPUMaterial::flag.

Referenced by EEVEE_material_bind_resources(), eevee_material_post_eval(), GPU_material_from_nodetree(), and material_opaque().

◆ GPU_material_flag_set()

void GPU_material_flag_set	(	GPUMaterial *	mat,
		eGPUMatFlag	flag
	)

Definition at line 641 of file gpu_material.c.

References GPUMaterial::flag.

◆ GPU_material_free()

void GPU_material_free ( ListBase * gpumaterial )

Definition at line 192 of file gpu_material.c.

References BLI_freelistN(), gpu_material_free_single(), LISTBASE_FOREACH, material, and MEM_freeN.

Referenced by BKE_material_copybuf_paste(), BKE_material_defaults_free_gpu(), BKE_material_eval(), BKE_world_eval(), ED_node_set_active(), GPU_materials_free(), material_free_data(), and world_free_data().

◆ gpu_material_free_single()

static void gpu_material_free_single ( GPUMaterial * material )

static

Definition at line 166 of file gpu_material.c.

References BLI_gset_free(), DRW_deferred_shader_remove, gpu_node_graph_free(), GPU_pass_release(), GPU_texture_free(), GPU_uniformbuf_free(), material, and NULL.

Referenced by GPU_material_free().

◆ GPU_material_from_nodetree()

GPUMaterial* GPU_material_from_nodetree	(	Scene *	scene,
		struct Material *	ma,
		struct bNodeTree *	ntree,
		ListBase *	gpumaterials,
		const void *	engine_type,
		const int	options,
		const bool	is_volume_shader,
		const char *	vert_code,
		const char *	geom_code,
		const char *	frag_lib,
		const char *	defines,
		const char *	name,
		GPUMaterialEvalCallbackFn	callback
	)

Note: Caller must use GPU_material_from_nodetree_find to re-use existing materials, This is enforced since constructing other arguments to this function may be expensive so only do this when they are needed.

Definition at line 670 of file gpu_material.c.

References BLI_addtail(), BLI_assert, BLI_ghashutil_ptrcmp(), BLI_ghashutil_ptrhash(), BLI_gset_new(), BLI_snprintf(), BLI_string_joinN, callback, LinkData::data, GPUMaterial::engine_type, GPU_generate_pass(), GPU_MAT_FAILED, GPU_MAT_QUEUED, GPU_MAT_SUCCESS, GPU_material_flag_get(), GPU_material_from_nodetree_find(), gpu_material_ramp_texture_build(), GPU_MATFLAG_SSS, gpu_node_graph_free(), gpu_node_graph_free_nodes(), GPU_pass_shader_get(), GPUMaterial::graph, GPUMaterial::has_surface_output, GPUMaterial::has_volume_output, bNodeTree::id, GPUMaterial::is_volume_shader, GPUMaterial::ma, MEM_callocN, MEM_freeN, GPUMaterial::name, ntree, ntreeFreeLocalTree, ntreeGPUMaterialNodes, ntreeLocalize, NULL, options, GPUMaterial::options, GPUNodeGraph::outlink, GPUMaterial::pass, ID::py_instance, scene, GPUMaterial::scene, GPUMaterial::status, UNUSED_VARS, and GPUMaterial::used_libraries.