#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_listbase.h"
#include "BLI_math.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_node.h"
#include "NOD_shader.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"
#include "atomic_ops.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	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

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)

ListBase	GPU_material_attributes (GPUMaterial *material)

ListBase	GPU_material_textures (GPUMaterial *material)

GPUUniformAttrList *	GPU_material_uniform_attributes (GPUMaterial *material)

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

static float	burley_profile (float r, float d)

static float	eval_profile (float r, float param)

static float	eval_integral (float x0, float x1, float param)

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

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

bool	GPU_material_sss_profile_create (GPUMaterial *material, float radii[3])

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

struct GPUUniformBuf *	GPU_material_create_sss_profile_ubo (void)

void	GPU_material_output_surface (GPUMaterial material, GPUNodeLink link)

void	GPU_material_output_volume (GPUMaterial material, GPUNodeLink link)

void	GPU_material_output_displacement (GPUMaterial material, GPUNodeLink link)

void	GPU_material_output_thickness (GPUMaterial material, GPUNodeLink link)

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

char *	GPU_material_split_sub_function (GPUMaterial material, eGPUType return_type, GPUNodeLink *link)

GPUNodeGraph *	gpu_material_node_graph (GPUMaterial *material)

eGPUMaterialStatus	GPU_material_status (GPUMaterial *mat)

void	GPU_material_status_set (GPUMaterial *mat, eGPUMaterialStatus status)

bool	GPU_material_has_surface_output (GPUMaterial *mat)

bool	GPU_material_has_volume_output (GPUMaterial *mat)

void	GPU_material_flag_set (GPUMaterial *mat, eGPUMaterialFlag flag)

bool	GPU_material_flag_get (const GPUMaterial *mat, eGPUMaterialFlag flag)

eGPUMaterialFlag	GPU_material_flag (const GPUMaterial *mat)

bool	GPU_material_recalc_flag_get (GPUMaterial *mat)

uint64_t	GPU_material_uuid_get (GPUMaterial *mat)

GPUMaterial *	GPU_material_from_nodetree (Scene scene, Material ma, bNodeTree ntree, ListBase gpumaterials, const char name, uint64_t shader_uuid, bool is_volume_shader, bool is_lookdev, GPUCodegenCallbackFn callback, void thunk)

void	GPU_material_acquire (GPUMaterial *mat)

void	GPU_material_release (GPUMaterial *mat)

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 260 of file gpu_material.c.

◆ BURLEY_TRUNCATE_CDF

#define BURLEY_TRUNCATE_CDF 0.9963790093708328f

Definition at line 261 of file gpu_material.c.

◆ INTEGRAL_RESOLUTION [1/2]

#define INTEGRAL_RESOLUTION 32

Definition at line 377 of file gpu_material.c.

◆ INTEGRAL_RESOLUTION [2/2]

#define INTEGRAL_RESOLUTION 512

Definition at line 377 of file gpu_material.c.

◆ MAX_COLOR_BAND

#define MAX_COLOR_BAND 128

Definition at line 43 of file gpu_material.c.

◆ SSS_EXPONENT

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

Definition at line 237 of file gpu_material.c.

◆ SSS_SAMPLES

#define SSS_SAMPLES 65

Definition at line 236 of file gpu_material.c.

Typedef Documentation

◆ GPUColorBandBuilder

typedef struct GPUColorBandBuilder GPUColorBandBuilder

◆ GPUSssKernelData

typedef struct GPUSssKernelData GPUSssKernelData

Function Documentation

◆ burley_profile()

static float burley_profile	(	float	r,
		float	d
	)

static

Definition at line 262 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
	)

static

Definition at line 293 of file gpu_material.c.

References A, GPUSssKernelData::avg_inv_radius, BURLEY_TRUNCATE, copy_v3_v3(), copy_v4_v4(), eval_integral(), fabsf, GPUSssKernelData::kernel, l, M_1_PI, MAX2, MAX3, GPUSssKernelData::max_radius, mul_v3_v3fl(), GPUSssKernelData::param, radii, GPUSssKernelData::samples, 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,
		float **	output
	)

static

Definition at line 378 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().

◆ eval_integral()

static float eval_integral	(	float	x0,
		float	x1,
		float	param
	)

static

Definition at line 277 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,
		float	param
	)

static

Definition at line 269 of file gpu_material.c.

References burley_profile(), BURLEY_TRUNCATE_CDF, fabsf, and r.

Referenced by compute_sss_translucence_kernel(), and eval_integral().

◆ GPU_material_acquire()

void GPU_material_acquire ( GPUMaterial * mat )

Definition at line 702 of file gpu_material.c.

References atomic_add_and_fetch_uint32(), and GPUMaterial::refcount.

Referenced by drw_deferred_shader_compilation_exec().

◆ GPU_material_add_output_link_aov()

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

Definition at line 533 of file gpu_material.c.

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

Referenced by blender::nodes::node_shader_output_aov_cc::node_shader_gpu_output_aov().

◆ GPU_material_attributes()

ListBase GPU_material_attributes ( GPUMaterial * material )

Definition at line 216 of file gpu_material.c.

References material.

Referenced by attribute_index_in_material(), curves_batch_cache_ensure_procedural_pos(), curves_ensure_attributes(), DRW_shgroup_volume_create_sub(), mesh_cd_calc_used_gpu_layers(), and particle_batch_cache_ensure_procedural_pos().

◆ GPU_material_compile()

void GPU_material_compile ( GPUMaterial * mat )

Definition at line 712 of file gpu_material.c.

References BLI_assert, ELEM, GPUMaterial::flag, GPU_MAT_CREATED, GPU_MAT_FAILED, GPU_MAT_QUEUED, GPU_MAT_SUCCESS, GPU_MATFLAG_UPDATED, 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, sh, and GPUMaterial::status.

Referenced by drw_deferred_shader_add(), drw_deferred_shader_compilation_exec(), and blender::eevee::ShaderModule::material_shader_get().

◆ GPU_material_create_sss_profile_ubo()

struct GPUUniformBuf* GPU_material_create_sss_profile_ubo ( void )

Definition at line 494 of file gpu_material.c.

References GPU_uniformbuf_create.

◆ GPU_material_flag()

eGPUMaterialFlag GPU_material_flag ( const GPUMaterial * mat )

Definition at line 606 of file gpu_material.c.

References GPUMaterial::flag.

Referenced by GPUCodegen::GPUCodegen().

◆ GPU_material_flag_get()

bool GPU_material_flag_get	(	const GPUMaterial *	mat,
		eGPUMaterialFlag	flag
	)

Definition at line 601 of file gpu_material.c.

References GPUMaterial::flag.

Referenced by EEVEE_material_bind_resources(), eevee_shader_material_create_info_amend(), GPUCodegen::generate_resources(), GPUCodegen::GPUCodegen(), blender::eevee::ForwardPipeline::material_add(), blender::eevee::ShaderModule::material_create_info_ammend(), material_opaque(), blender::nodes::node_shader_tex_environment_cc::node_shader_gpu_tex_environment(), blender::eevee::ForwardPipeline::prepass_add(), and blender::eevee::shader_closure_bits_from_flag().

◆ GPU_material_flag_set()

void GPU_material_flag_set	(	GPUMaterial *	mat,
		eGPUMaterialFlag	flag
	)

Definition at line 596 of file gpu_material.c.

References GPUMaterial::flag.

◆ GPU_material_free()

void GPU_material_free ( ListBase * gpumaterial )

Definition at line 171 of file gpu_material.c.

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

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 144 of file gpu_material.c.

References atomic_sub_and_fetch_uint32(), gpu_node_graph_free(), GPU_pass_release(), GPU_texture_free(), GPU_uniformbuf_free(), material, MEM_freeN, and NULL.

Referenced by GPU_material_free(), and GPU_material_release().

◆ GPU_material_from_nodetree()

GPUMaterial* GPU_material_from_nodetree	(	struct Scene *	scene,
		struct Material *	ma,
		struct bNodeTree *	ntree,
		struct ListBase *	gpumaterials,
		const char *	name,
		uint64_t	shader_uuid,
		bool	is_volume_shader,
		bool	is_lookdev,
		GPUCodegenCallbackFn	callback,
		void *	thunk
	)

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 624 of file gpu_material.c.

References BLI_addtail(), BLI_assert, BLI_ghashutil_ptrcmp(), BLI_ghashutil_ptrhash(), BLI_gset_new(), callback, LinkData::data, GPUMaterial::flag, GPU_generate_pass(), GPU_MAT_CREATED, GPU_MAT_FAILED, GPU_MAT_SUCCESS, gpu_material_ramp_texture_build(), GPU_MATFLAG_LOOKDEV_HACK, GPU_MATFLAG_UPDATED, gpu_node_graph_free(), gpu_node_graph_free_nodes(), GPU_pass_shader_get(), GPUMaterial::graph, bNodeTree::id, if(), GPUMaterial::is_volume_shader, LISTBASE_FOREACH, GPUMaterial::ma, MEM_callocN, MEM_freeN, GPUMaterial::name, ntree, ntreeFreeLocalTree, ntreeGPUMaterialNodes, ntreeLocalize, NULL, GPUMaterial::pass, ID::py_instance, GPUMaterial::refcount, scene, GPUMaterial::scene, sh, GPUMaterial::status, STRNCPY, UNUSED_VARS, GPUNodeGraph::used_libraries, and GPUMaterial::uuid.