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|
/*
* Copyright 2016, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Blender Institute
*
*/
/** \file eevee_private.h
* \ingroup DNA
*/
#ifndef __EEVEE_PRIVATE_H__
#define __EEVEE_PRIVATE_H__
#include "DNA_lightprobe_types.h"
struct Object;
struct EEVEE_BoundSphere;
struct EEVEE_ShadowCasterBuffer;
struct RenderLayer;
struct RenderResult;
struct GPUFrameBuffer;
extern struct DrawEngineType draw_engine_eevee_type;
/* Minimum UBO is 16384 bytes */
#define MAX_PROBE 128 /* TODO : find size by dividing UBO max size by probe data size */
#define MAX_GRID 64 /* TODO : find size by dividing UBO max size by grid data size */
#define MAX_PLANAR 16 /* TODO : find size by dividing UBO max size by grid data size */
#define MAX_LIGHT 128 /* TODO : find size by dividing UBO max size by light data size */
#define MAX_CASCADE_NUM 4
#define MAX_SHADOW 256 /* TODO : Make this depends on GL_MAX_ARRAY_TEXTURE_LAYERS */
#define MAX_SHADOW_CASCADE 8
#define MAX_SHADOW_CUBE (MAX_SHADOW - MAX_CASCADE_NUM * MAX_SHADOW_CASCADE)
#define MAX_BLOOM_STEP 16
/* Only define one of these. */
// #define IRRADIANCE_SH_L2
// #define IRRADIANCE_CUBEMAP
#define IRRADIANCE_HL2
#if defined(IRRADIANCE_SH_L2)
# define SHADER_IRRADIANCE "#define IRRADIANCE_SH_L2\n"
#elif defined(IRRADIANCE_CUBEMAP)
# define SHADER_IRRADIANCE "#define IRRADIANCE_CUBEMAP\n"
#elif defined(IRRADIANCE_HL2)
# define SHADER_IRRADIANCE "#define IRRADIANCE_HL2\n"
#endif
#define SHADER_DEFINES \
"#define EEVEE_ENGINE\n" \
"#define MAX_PROBE " STRINGIFY(MAX_PROBE) "\n" \
"#define MAX_GRID " STRINGIFY(MAX_GRID) "\n" \
"#define MAX_PLANAR " STRINGIFY(MAX_PLANAR) "\n" \
"#define MAX_LIGHT " STRINGIFY(MAX_LIGHT) "\n" \
"#define MAX_SHADOW " STRINGIFY(MAX_SHADOW) "\n" \
"#define MAX_SHADOW_CUBE " STRINGIFY(MAX_SHADOW_CUBE) "\n" \
"#define MAX_SHADOW_CASCADE " STRINGIFY(MAX_SHADOW_CASCADE) "\n" \
"#define MAX_CASCADE_NUM " STRINGIFY(MAX_CASCADE_NUM) "\n" \
SHADER_IRRADIANCE
#define SWAP_DOUBLE_BUFFERS() { \
if (effects->swap_double_buffer) { \
SWAP(struct GPUFrameBuffer *, fbl->main_fb, fbl->double_buffer_fb); \
SWAP(struct GPUFrameBuffer *, fbl->main_color_fb, fbl->double_buffer_color_fb); \
SWAP(GPUTexture *, txl->color, txl->color_double_buffer); \
effects->swap_double_buffer = false; \
} \
} ((void)0)
#define SWAP_BUFFERS() { \
if (effects->target_buffer == fbl->effect_color_fb) { \
SWAP_DOUBLE_BUFFERS(); \
effects->source_buffer = txl->color_post; \
effects->target_buffer = fbl->main_color_fb; \
} \
else { \
SWAP_DOUBLE_BUFFERS(); \
effects->source_buffer = txl->color; \
effects->target_buffer = fbl->effect_color_fb; \
} \
} ((void)0)
#define SWAP_BUFFERS_TAA() { \
if (effects->target_buffer == fbl->effect_color_fb) { \
SWAP(struct GPUFrameBuffer *, fbl->effect_fb, fbl->taa_history_fb); \
SWAP(struct GPUFrameBuffer *, fbl->effect_color_fb, fbl->taa_history_color_fb); \
SWAP(GPUTexture *, txl->color_post, txl->taa_history); \
effects->source_buffer = txl->taa_history; \
effects->target_buffer = fbl->effect_color_fb; \
} \
else { \
SWAP(struct GPUFrameBuffer *, fbl->main_fb, fbl->taa_history_fb); \
SWAP(struct GPUFrameBuffer *, fbl->main_color_fb, fbl->taa_history_color_fb); \
SWAP(GPUTexture *, txl->color, txl->taa_history); \
effects->source_buffer = txl->taa_history; \
effects->target_buffer = fbl->main_color_fb; \
} \
} ((void)0)
#define OVERLAY_ENABLED(v3d) ((v3d) && (v3d->flag2 & V3D_RENDER_OVERRIDE) == 0)
#define LOOK_DEV_MODE_ENABLED(v3d) ((v3d) && (v3d->shading.type == OB_MATERIAL))
#define LOOK_DEV_OVERLAY_ENABLED(v3d) (LOOK_DEV_MODE_ENABLED(v3d) && OVERLAY_ENABLED(v3d) && (v3d->overlay.flag & V3D_OVERLAY_LOOK_DEV))
#define USE_SCENE_LIGHT(v3d) ((!v3d) || (!LOOK_DEV_MODE_ENABLED(v3d)) || ((LOOK_DEV_MODE_ENABLED(v3d) && (v3d->shading.flag & V3D_SHADING_SCENE_LIGHTS))))
#define LOOK_DEV_STUDIO_LIGHT_ENABLED(v3d) (LOOK_DEV_MODE_ENABLED(v3d) && !(v3d->shading.flag & V3D_SHADING_SCENE_WORLD))
#define OCTAHEDRAL_SIZE_FROM_CUBESIZE(cube_size) ((int)ceilf(sqrtf((cube_size * cube_size) * 6.0f)))
#define MIN_CUBE_LOD_LEVEL 3
#define MAX_PLANAR_LOD_LEVEL 9
/* World shader variations */
enum {
VAR_WORLD_BACKGROUND = 0,
VAR_WORLD_PROBE = 1,
VAR_WORLD_VOLUME = 2,
};
/* Material shader variations */
enum {
VAR_MAT_MESH = (1 << 0),
VAR_MAT_PROBE = (1 << 1),
VAR_MAT_HAIR = (1 << 2),
VAR_MAT_FLAT = (1 << 3),
VAR_MAT_BLEND = (1 << 4),
VAR_MAT_VSM = (1 << 5),
VAR_MAT_ESM = (1 << 6),
VAR_MAT_VOLUME = (1 << 7),
VAR_MAT_LOOKDEV = (1 << 8),
/* Max number of variation */
/* IMPORTANT : Leave it last and set
* it's value accordingly. */
VAR_MAT_MAX = (1 << 9),
/* These are options that are not counted in VAR_MAT_MAX
* because they are not cumulative with the others above. */
VAR_MAT_CLIP = (1 << 10),
VAR_MAT_HASH = (1 << 11),
VAR_MAT_MULT = (1 << 12),
VAR_MAT_SHADOW = (1 << 13),
VAR_MAT_REFRACT = (1 << 14),
VAR_MAT_SSS = (1 << 15),
VAR_MAT_TRANSLUC = (1 << 16),
VAR_MAT_SSSALBED = (1 << 17),
};
/* ************ PROBE UBO ************* */
/* They are the same struct as their Cache siblings.
* typedef'ing just to keep the naming consistent with
* other eevee types. */
typedef LightProbeCache EEVEE_LightProbe;
typedef LightGridCache EEVEE_LightGrid;
typedef struct EEVEE_PlanarReflection {
float plane_equation[4];
float clip_vec_x[3], attenuation_scale;
float clip_vec_y[3], attenuation_bias;
float clip_edge_x_pos, clip_edge_x_neg;
float clip_edge_y_pos, clip_edge_y_neg;
float facing_scale, facing_bias, clipsta, pad;
float reflectionmat[4][4]; /* Used for sampling the texture. */
float mtx[4][4]; /* Not used in shader. TODO move elsewhere. */
} EEVEE_PlanarReflection;
/* --------------------------------------- */
typedef struct EEVEE_BoundSphere {
float center[3], radius;
} EEVEE_BoundSphere;
typedef struct EEVEE_BoundBox {
float center[3], halfdim[3];
} EEVEE_BoundBox;
typedef struct EEVEE_PassList {
/* Shadows */
struct DRWPass *shadow_pass;
struct DRWPass *shadow_cube_copy_pass;
struct DRWPass *shadow_cube_store_pass;
struct DRWPass *shadow_cube_store_high_pass;
struct DRWPass *shadow_cascade_copy_pass;
struct DRWPass *shadow_cascade_store_pass;
struct DRWPass *shadow_cascade_store_high_pass;
/* Probes */
struct DRWPass *probe_background;
struct DRWPass *probe_glossy_compute;
struct DRWPass *probe_diffuse_compute;
struct DRWPass *probe_visibility_compute;
struct DRWPass *probe_grid_fill;
struct DRWPass *probe_display;
struct DRWPass *probe_planar_downsample_ps;
/* Effects */
struct DRWPass *ao_horizon_search;
struct DRWPass *ao_horizon_search_layer;
struct DRWPass *ao_horizon_debug;
struct DRWPass *ao_accum_ps;
struct DRWPass *mist_accum_ps;
struct DRWPass *motion_blur;
struct DRWPass *bloom_blit;
struct DRWPass *bloom_downsample_first;
struct DRWPass *bloom_downsample;
struct DRWPass *bloom_upsample;
struct DRWPass *bloom_resolve;
struct DRWPass *dof_down;
struct DRWPass *dof_scatter;
struct DRWPass *dof_resolve;
struct DRWPass *volumetric_world_ps;
struct DRWPass *volumetric_objects_ps;
struct DRWPass *volumetric_scatter_ps;
struct DRWPass *volumetric_integration_ps;
struct DRWPass *volumetric_resolve_ps;
struct DRWPass *ssr_raytrace;
struct DRWPass *ssr_resolve;
struct DRWPass *sss_blur_ps;
struct DRWPass *sss_resolve_ps;
struct DRWPass *sss_accum_ps;
struct DRWPass *color_downsample_ps;
struct DRWPass *color_downsample_cube_ps;
struct DRWPass *velocity_resolve;
struct DRWPass *taa_resolve;
/* HiZ */
struct DRWPass *minz_downlevel_ps;
struct DRWPass *maxz_downlevel_ps;
struct DRWPass *minz_downdepth_ps;
struct DRWPass *maxz_downdepth_ps;
struct DRWPass *minz_downdepth_layer_ps;
struct DRWPass *maxz_downdepth_layer_ps;
struct DRWPass *minz_copydepth_ps;
struct DRWPass *maxz_copydepth_ps;
struct DRWPass *maxz_copydepth_layer_ps;
struct DRWPass *depth_pass;
struct DRWPass *depth_pass_cull;
struct DRWPass *depth_pass_clip;
struct DRWPass *depth_pass_clip_cull;
struct DRWPass *refract_depth_pass;
struct DRWPass *refract_depth_pass_cull;
struct DRWPass *refract_depth_pass_clip;
struct DRWPass *refract_depth_pass_clip_cull;
struct DRWPass *default_pass[VAR_MAT_MAX];
struct DRWPass *sss_pass;
struct DRWPass *material_pass;
struct DRWPass *refract_pass;
struct DRWPass *transparent_pass;
struct DRWPass *background_pass;
struct DRWPass *update_noise_pass;
struct DRWPass *lookdev_pass;
} EEVEE_PassList;
typedef struct EEVEE_FramebufferList {
/* Effects */
struct GPUFrameBuffer *gtao_fb;
struct GPUFrameBuffer *gtao_debug_fb;
struct GPUFrameBuffer *downsample_fb;
struct GPUFrameBuffer *bloom_blit_fb;
struct GPUFrameBuffer *bloom_down_fb[MAX_BLOOM_STEP];
struct GPUFrameBuffer *bloom_accum_fb[MAX_BLOOM_STEP - 1];
struct GPUFrameBuffer *sss_blur_fb;
struct GPUFrameBuffer *sss_resolve_fb;
struct GPUFrameBuffer *sss_clear_fb;
struct GPUFrameBuffer *sss_accum_fb;
struct GPUFrameBuffer *dof_down_fb;
struct GPUFrameBuffer *dof_scatter_fb;
struct GPUFrameBuffer *volumetric_fb;
struct GPUFrameBuffer *volumetric_scat_fb;
struct GPUFrameBuffer *volumetric_integ_fb;
struct GPUFrameBuffer *screen_tracing_fb;
struct GPUFrameBuffer *refract_fb;
struct GPUFrameBuffer *mist_accum_fb;
struct GPUFrameBuffer *ao_accum_fb;
struct GPUFrameBuffer *velocity_resolve_fb;
struct GPUFrameBuffer *update_noise_fb;
struct GPUFrameBuffer *planarref_fb;
struct GPUFrameBuffer *planar_downsample_fb;
struct GPUFrameBuffer *main_fb;
struct GPUFrameBuffer *main_color_fb;
struct GPUFrameBuffer *effect_fb;
struct GPUFrameBuffer *effect_color_fb;
struct GPUFrameBuffer *double_buffer_fb;
struct GPUFrameBuffer *double_buffer_color_fb;
struct GPUFrameBuffer *double_buffer_depth_fb;
struct GPUFrameBuffer *taa_history_fb;
struct GPUFrameBuffer *taa_history_color_fb;
} EEVEE_FramebufferList;
typedef struct EEVEE_TextureList {
/* Effects */
struct GPUTexture *color_post; /* R16_G16_B16 */
struct GPUTexture *mist_accum;
struct GPUTexture *ao_accum;
struct GPUTexture *sss_dir_accum;
struct GPUTexture *sss_col_accum;
struct GPUTexture *refract_color;
struct GPUTexture *taa_history;
struct GPUTexture *volume_prop_scattering;
struct GPUTexture *volume_prop_extinction;
struct GPUTexture *volume_prop_emission;
struct GPUTexture *volume_prop_phase;
struct GPUTexture *volume_scatter;
struct GPUTexture *volume_transmittance;
struct GPUTexture *volume_scatter_history;
struct GPUTexture *volume_transmittance_history;
struct GPUTexture *lookdev_grid_tx;
struct GPUTexture *lookdev_cube_tx;
struct GPUTexture *planar_pool;
struct GPUTexture *planar_depth;
struct GPUTexture *maxzbuffer;
struct GPUTexture *color; /* R16_G16_B16 */
struct GPUTexture *color_double_buffer;
struct GPUTexture *depth_double_buffer;
} EEVEE_TextureList;
typedef struct EEVEE_StorageList {
/* Effects */
struct EEVEE_EffectsInfo *effects;
struct EEVEE_PrivateData *g_data;
struct LightCache *lookdev_lightcache;
EEVEE_LightProbe *lookdev_cube_data;
EEVEE_LightGrid *lookdev_grid_data;
LightCacheTexture *lookdev_cube_mips;
} EEVEE_StorageList;
/* ************ LIGHT UBO ************* */
typedef struct EEVEE_Light {
float position[3], dist;
float color[3], spec;
float spotsize, spotblend, radius, shadowid;
float rightvec[3], sizex;
float upvec[3], sizey;
float forwardvec[3], lamptype;
} EEVEE_Light;
/* Special type for elliptic area lamps, matches lamps_lib.glsl */
#define LAMPTYPE_AREA_ELLIPSE 100.0f
typedef struct EEVEE_Shadow {
float near, far, bias, exp;
float shadow_start, data_start, multi_shadow_count, shadow_blur;
float contact_dist, contact_bias, contact_spread, contact_thickness;
} EEVEE_Shadow;
typedef struct EEVEE_ShadowCube {
float position[3], pad;
} EEVEE_ShadowCube;
typedef struct EEVEE_ShadowCascade {
float shadowmat[MAX_CASCADE_NUM][4][4]; /* World->Lamp->NDC->Tex : used for sampling the shadow map. */
float split_start[4];
float split_end[4];
} EEVEE_ShadowCascade;
typedef struct EEVEE_ShadowRender {
float position[3], pad;
float cube_texel_size;
float stored_texel_size;
float clip_near;
float clip_far;
int shadow_samples_len;
float shadow_samples_len_inv;
} EEVEE_ShadowRender;
/* This is just a really long bitflag with special function to access it. */
#define MAX_LIGHTBITS_FIELDS (MAX_LIGHT / 8)
typedef struct EEVEE_LightBits {
uchar fields[MAX_LIGHTBITS_FIELDS];
} EEVEE_LightBits;
typedef struct EEVEE_ShadowCaster {
struct EEVEE_LightBits bits;
struct EEVEE_BoundBox bbox;
} EEVEE_ShadowCaster;
typedef struct EEVEE_ShadowCasterBuffer {
struct EEVEE_ShadowCaster *shadow_casters;
char *flags;
uint alloc_count;
uint count;
} EEVEE_ShadowCasterBuffer;
/* ************ LIGHT DATA ************* */
typedef struct EEVEE_LampsInfo {
int num_light, cache_num_light;
int num_cube_layer, cache_num_cube_layer;
int num_cascade_layer, cache_num_cascade_layer;
int gpu_cube_len, gpu_cascade_len, gpu_shadow_len;
int cpu_cube_len, cpu_cascade_len;
int update_flag;
int shadow_cube_size, shadow_cascade_size, shadow_method;
bool shadow_high_bitdepth;
int shadow_cube_store_size;
int current_shadow_cascade;
int current_shadow_face;
uint shadow_instance_count;
float filter_size;
/* List of lights in the scene. */
/* XXX This is fragile, can get out of sync quickly. */
struct Object *light_ref[MAX_LIGHT];
struct Object *shadow_cube_ref[MAX_SHADOW_CUBE];
struct Object *shadow_cascade_ref[MAX_SHADOW_CASCADE];
/* UBO Storage : data used by UBO */
struct EEVEE_Light light_data[MAX_LIGHT];
struct EEVEE_ShadowRender shadow_render_data;
struct EEVEE_Shadow shadow_data[MAX_SHADOW];
struct EEVEE_ShadowCube shadow_cube_data[MAX_SHADOW_CUBE];
struct EEVEE_ShadowCascade shadow_cascade_data[MAX_SHADOW_CASCADE];
/* Lights tracking */
int new_shadow_id[MAX_LIGHT]; /* To be able to convert old bitfield to new bitfield */
struct EEVEE_BoundSphere shadow_bounds[MAX_LIGHT]; /* Tightly packed light bounds */
/* Pointers only. */
struct EEVEE_ShadowCasterBuffer *shcaster_frontbuffer;
struct EEVEE_ShadowCasterBuffer *shcaster_backbuffer;
} EEVEE_LampsInfo;
/* EEVEE_LampsInfo->shadow_casters_flag */
enum {
SHADOW_CASTER_PRUNED = (1 << 0),
SHADOW_CASTER_UPDATED = (1 << 1),
};
/* EEVEE_LampsInfo->update_flag */
enum {
LIGHT_UPDATE_SHADOW_CUBE = (1 << 0),
};
/* ************ PROBE DATA ************* */
typedef struct EEVEE_LightProbeVisTest {
struct Collection *collection; /* Skip test if NULL */
bool invert;
bool cached; /* Reuse last test results */
} EEVEE_LightProbeVisTest;
typedef struct EEVEE_LightProbesInfo {
int num_cube, cache_num_cube;
int num_grid, cache_num_grid;
int num_planar, cache_num_planar;
int total_irradiance_samples; /* Total for all grids */
int cache_irradiance_size[3];
int update_flag;
int updated_bounce;
int num_bounce;
int cubemap_res;
/* Update */
bool do_cube_update;
bool do_grid_update;
/* For rendering probes */
float probemat[6][4][4];
int layer;
float texel_size;
float padding_size;
float samples_len;
float samples_len_inv;
float near_clip;
float far_clip;
float roughness;
float lodfactor;
float lod_rt_max, lod_cube_max, lod_planar_max;
float visibility_range;
float visibility_blur;
float intensity_fac;
int shres;
int studiolight_index;
float studiolight_rot_z;
EEVEE_LightProbeVisTest planar_vis_tests[MAX_PLANAR];
/* UBO Storage : data used by UBO */
EEVEE_LightProbe probe_data[MAX_PROBE];
EEVEE_LightGrid grid_data[MAX_GRID];
EEVEE_PlanarReflection planar_data[MAX_PLANAR];
/* Probe Visibility Collection */
EEVEE_LightProbeVisTest vis_data;
} EEVEE_LightProbesInfo;
/* EEVEE_LightProbesInfo->update_flag */
enum {
PROBE_UPDATE_CUBE = (1 << 0),
PROBE_UPDATE_GRID = (1 << 1),
PROBE_UPDATE_ALL = 0xFFFFFF,
};
/* ************ EFFECTS DATA ************* */
typedef enum EEVEE_EffectsFlag {
EFFECT_MOTION_BLUR = (1 << 0),
EFFECT_BLOOM = (1 << 1),
EFFECT_DOF = (1 << 2),
EFFECT_VOLUMETRIC = (1 << 3),
EFFECT_SSR = (1 << 4),
EFFECT_DOUBLE_BUFFER = (1 << 5), /* Not really an effect but a feature */
EFFECT_REFRACT = (1 << 6),
EFFECT_GTAO = (1 << 7),
EFFECT_TAA = (1 << 8),
EFFECT_POST_BUFFER = (1 << 9), /* Not really an effect but a feature */
EFFECT_NORMAL_BUFFER = (1 << 10), /* Not really an effect but a feature */
EFFECT_SSS = (1 << 11),
EFFECT_VELOCITY_BUFFER = (1 << 12), /* Not really an effect but a feature */
EFFECT_TAA_REPROJECT = (1 << 13), /* should be mutually exclusive with EFFECT_TAA */
EFFECT_DEPTH_DOUBLE_BUFFER = (1 << 14), /* Not really an effect but a feature */
} EEVEE_EffectsFlag;
typedef struct EEVEE_EffectsInfo {
EEVEE_EffectsFlag enabled_effects;
bool swap_double_buffer;
/* SSSS */
int sss_sample_count;
bool sss_separate_albedo;
struct GPUTexture *sss_data; /* Textures from pool */
struct GPUTexture *sss_albedo;
struct GPUTexture *sss_blur;
struct GPUTexture *sss_stencil;
/* Volumetrics */
int volume_current_sample;
/* SSR */
bool reflection_trace_full;
bool ssr_was_persp;
int ssr_neighbor_ofs;
int ssr_halfres_ofs[2];
struct GPUTexture *ssr_normal_input; /* Textures from pool */
struct GPUTexture *ssr_specrough_input;
struct GPUTexture *ssr_hit_output;
struct GPUTexture *ssr_pdf_output;
/* Temporal Anti Aliasing */
int taa_reproject_sample;
int taa_current_sample;
int taa_render_sample;
int taa_total_sample;
float taa_alpha;
bool prev_drw_support;
float prev_drw_persmat[4][4];
float overide_persmat[4][4];
float overide_persinv[4][4];
float overide_winmat[4][4];
float overide_wininv[4][4];
/* Ambient Occlusion */
int ao_depth_layer;
struct GPUTexture *ao_src_depth; /* pointer copy */
struct GPUTexture *gtao_horizons; /* Textures from pool */
struct GPUTexture *gtao_horizons_debug;
/* Motion Blur */
float current_ndc_to_world[4][4];
float past_world_to_ndc[4][4];
int motion_blur_samples;
/* Velocity Pass */
float velocity_curr_persinv[4][4];
float velocity_past_persmat[4][4];
struct GPUTexture *velocity_tx; /* Texture from pool */
/* Depth Of Field */
float dof_near_far[2];
float dof_params[3];
float dof_bokeh[4];
float dof_bokeh_sides[4];
int dof_target_size[2];
struct GPUTexture *dof_down_near; /* Textures from pool */
struct GPUTexture *dof_down_far;
struct GPUTexture *dof_coc;
struct GPUTexture *dof_blur;
/* Other */
float prev_persmat[4][4];
/* Bloom */
int bloom_iteration_len;
float source_texel_size[2];
float blit_texel_size[2];
float downsamp_texel_size[MAX_BLOOM_STEP][2];
float bloom_color[3];
float bloom_clamp;
float bloom_sample_scale;
float bloom_curve_threshold[4];
float unf_source_texel_size[2];
struct GPUTexture *bloom_blit; /* Textures from pool */
struct GPUTexture *bloom_downsample[MAX_BLOOM_STEP];
struct GPUTexture *bloom_upsample[MAX_BLOOM_STEP - 1];
struct GPUTexture *unf_source_buffer; /* pointer copy */
struct GPUTexture *unf_base_buffer; /* pointer copy */
/* Not alloced, just a copy of a *GPUtexture in EEVEE_TextureList. */
struct GPUTexture *source_buffer; /* latest updated texture */
struct GPUFrameBuffer *target_buffer; /* next target to render to */
struct GPUTexture *final_tx; /* Final color to transform to display color space. */
struct GPUFrameBuffer *final_fb; /* Framebuffer with final_tx as attachement. */
} EEVEE_EffectsInfo;
/* ***************** COMMON DATA **************** */
/* Common uniform buffer containing all "constant" data over the whole drawing pipeline. */
/* !! CAUTION !!
* - [i]vec3 need to be padded to [i]vec4 (even in ubo declaration).
* - Make sure that [i]vec4 start at a multiple of 16 bytes.
* - Arrays of vec2/vec3 are padded as arrays of vec4.
* - sizeof(bool) == sizeof(int) in GLSL so use int in C */
typedef struct EEVEE_CommonUniformBuffer {
float prev_persmat[4][4]; /* mat4 */
float view_vecs[2][4]; /* vec4[2] */
float mip_ratio[10][4]; /* vec2[10] */
/* Ambient Occlusion */
/* -- 16 byte aligned -- */
float ao_dist, pad1, ao_factor, pad2; /* vec4 */
float ao_offset, ao_bounce_fac, ao_quality, ao_settings; /* vec4 */
/* Volumetric */
/* -- 16 byte aligned -- */
int vol_tex_size[3], pad3; /* ivec3 */
float vol_depth_param[3], pad4; /* vec3 */
float vol_inv_tex_size[3], pad5; /* vec3 */
float vol_jitter[3], pad6; /* vec3 */
float vol_coord_scale[2], pad7[2]; /* vec2 */
/* -- 16 byte aligned -- */
float vol_history_alpha; /* float */
float vol_light_clamp; /* float */
float vol_shadow_steps; /* float */
int vol_use_lights; /* bool */
/* Screen Space Reflections */
/* -- 16 byte aligned -- */
float ssr_quality, ssr_thickness, ssr_pixelsize[2]; /* vec4 */
float ssr_border_fac; /* float */
float ssr_max_roughness; /* float */
float ssr_firefly_fac; /* float */
float ssr_brdf_bias; /* float */
int ssr_toggle; /* bool */
/* SubSurface Scattering */
float sss_jitter_threshold; /* float */
int sss_toggle; /* bool */
/* Specular */
int spec_toggle; /* bool */
/* Lamps */
int la_num_light; /* int */
/* Probes */
int prb_num_planar; /* int */
int prb_num_render_cube; /* int */
int prb_num_render_grid; /* int */
int prb_irradiance_vis_size; /* int */
float prb_lod_cube_max; /* float */
float prb_lod_planar_max; /* float */
/* Misc */
int hiz_mip_offset; /* int */
} EEVEE_CommonUniformBuffer;
/* ***************** CLIP PLANES DATA **************** */
typedef struct EEVEE_ClipPlanesUniformBuffer {
float clip_planes[1][4]; /* must be less than MAX_CLIP_PLANES */
} EEVEE_ClipPlanesUniformBuffer;
/* ************** SCENE LAYER DATA ************** */
typedef struct EEVEE_ViewLayerData {
/* Lamps */
struct EEVEE_LampsInfo *lamps;
struct GPUUniformBuffer *light_ubo;
struct GPUUniformBuffer *shadow_ubo;
struct GPUUniformBuffer *shadow_render_ubo;
struct GPUUniformBuffer *shadow_samples_ubo;
struct GPUFrameBuffer *shadow_cube_target_fb;
struct GPUFrameBuffer *shadow_cube_store_fb;
struct GPUFrameBuffer *shadow_cascade_target_fb;
struct GPUFrameBuffer *shadow_cascade_store_fb;
struct GPUTexture *shadow_cube_target;
struct GPUTexture *shadow_cube_blur;
struct GPUTexture *shadow_cascade_target;
struct GPUTexture *shadow_cascade_blur;
struct GPUTexture *shadow_cube_pool;
struct GPUTexture *shadow_cascade_pool;
struct EEVEE_ShadowCasterBuffer shcasters_buffers[2];
/* Probes */
struct EEVEE_LightProbesInfo *probes;
struct GPUUniformBuffer *probe_ubo;
struct GPUUniformBuffer *grid_ubo;
struct GPUUniformBuffer *planar_ubo;
/* Common Uniform Buffer */
struct EEVEE_CommonUniformBuffer common_data;
struct GPUUniformBuffer *common_ubo;
struct EEVEE_ClipPlanesUniformBuffer clip_data;
struct GPUUniformBuffer *clip_ubo;
struct LightCache *fallback_lightcache;
} EEVEE_ViewLayerData;
/* ************ OBJECT DATA ************ */
typedef struct EEVEE_LightData {
short light_id, shadow_id;
} EEVEE_LightData;
typedef struct EEVEE_ShadowCubeData {
short light_id, shadow_id, cube_id, layer_id;
} EEVEE_ShadowCubeData;
typedef struct EEVEE_ShadowCascadeData {
short light_id, shadow_id, cascade_id, layer_id;
float viewprojmat[MAX_CASCADE_NUM][4][4]; /* World->Lamp->NDC : used for rendering the shadow map. */
float projmat[MAX_CASCADE_NUM][4][4];
float viewmat[4][4], viewinv[4][4];
float radius[MAX_CASCADE_NUM];
} EEVEE_ShadowCascadeData;
/* Theses are the structs stored inside Objects.
* It works with even if the object is in multiple layers
* because we don't get the same "Object *" for each layer. */
typedef struct EEVEE_LampEngineData {
DrawData dd;
bool need_update;
/* This needs to be out of the union to avoid undefined behaviour. */
short prev_cube_shadow_id;
union {
struct EEVEE_LightData ld;
struct EEVEE_ShadowCubeData scd;
struct EEVEE_ShadowCascadeData scad;
} data;
} EEVEE_LampEngineData;
typedef struct EEVEE_LightProbeEngineData {
DrawData dd;
bool need_update;
} EEVEE_LightProbeEngineData;
typedef struct EEVEE_ObjectEngineData {
DrawData dd;
Object *ob; /* self reference */
EEVEE_LightProbeVisTest *test_data;
bool ob_vis, ob_vis_dirty;
bool need_update;
uint shadow_caster_id;
} EEVEE_ObjectEngineData;
typedef struct EEVEE_WorldEngineData {
DrawData dd;
} EEVEE_WorldEngineData;
/* *********************************** */
typedef struct EEVEE_Data {
void *engine_type;
EEVEE_FramebufferList *fbl;
EEVEE_TextureList *txl;
EEVEE_PassList *psl;
EEVEE_StorageList *stl;
} EEVEE_Data;
typedef struct EEVEE_PrivateData {
struct DRWShadingGroup *shadow_shgrp;
struct DRWShadingGroup *depth_shgrp;
struct DRWShadingGroup *depth_shgrp_cull;
struct DRWShadingGroup *depth_shgrp_clip;
struct DRWShadingGroup *depth_shgrp_clip_cull;
struct DRWShadingGroup *refract_depth_shgrp;
struct DRWShadingGroup *refract_depth_shgrp_cull;
struct DRWShadingGroup *refract_depth_shgrp_clip;
struct DRWShadingGroup *refract_depth_shgrp_clip_cull;
struct DRWShadingGroup *cube_display_shgrp;
struct DRWShadingGroup *planar_display_shgrp;
struct GHash *material_hash;
float background_alpha; /* TODO find a better place for this. */
/* Chosen lightcache: can come from Lookdev or the viewlayer. */
struct LightCache *light_cache;
/* For planar probes */
float planar_texel_size[2];
/* For double buffering */
bool view_updated;
bool valid_double_buffer;
bool valid_taa_history;
/* Render Matrices */
float persmat[4][4], persinv[4][4];
float viewmat[4][4], viewinv[4][4];
float winmat[4][4], wininv[4][4];
float studiolight_matrix[3][3];
/* Mist Settings */
float mist_start, mist_inv_dist, mist_falloff;
/* Color Management */
bool use_color_view_settings;
} EEVEE_PrivateData; /* Transient data */
/* eevee_data.c */
void EEVEE_view_layer_data_free(void *sldata);
EEVEE_ViewLayerData *EEVEE_view_layer_data_get(void);
EEVEE_ViewLayerData *EEVEE_view_layer_data_ensure_ex(struct ViewLayer *view_layer);
EEVEE_ViewLayerData *EEVEE_view_layer_data_ensure(void);
EEVEE_ObjectEngineData *EEVEE_object_data_get(Object *ob);
EEVEE_ObjectEngineData *EEVEE_object_data_ensure(Object *ob);
EEVEE_LightProbeEngineData *EEVEE_lightprobe_data_get(Object *ob);
EEVEE_LightProbeEngineData *EEVEE_lightprobe_data_ensure(Object *ob);
EEVEE_LampEngineData *EEVEE_lamp_data_get(Object *ob);
EEVEE_LampEngineData *EEVEE_lamp_data_ensure(Object *ob);
EEVEE_WorldEngineData *EEVEE_world_data_get(World *wo);
EEVEE_WorldEngineData *EEVEE_world_data_ensure(World *wo);
/* eevee_materials.c */
struct GPUTexture *EEVEE_materials_get_util_tex(void); /* XXX */
void EEVEE_materials_init(EEVEE_ViewLayerData *sldata, EEVEE_StorageList *stl, EEVEE_FramebufferList *fbl);
void EEVEE_materials_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_materials_cache_populate(EEVEE_Data *vedata, EEVEE_ViewLayerData *sldata, Object *ob, bool *cast_shadow);
void EEVEE_hair_cache_populate(EEVEE_Data *vedata, EEVEE_ViewLayerData *sldata, Object *ob, bool *cast_shadow);
void EEVEE_materials_cache_finish(EEVEE_Data *vedata);
struct GPUMaterial *EEVEE_material_world_lightprobe_get(struct Scene *scene, struct World *wo);
struct GPUMaterial *EEVEE_material_world_background_get(struct Scene *scene, struct World *wo);
struct GPUMaterial *EEVEE_material_world_volume_get(struct Scene *scene, struct World *wo);
struct GPUMaterial *EEVEE_material_mesh_get(
struct Scene *scene, Material *ma, EEVEE_Data *vedata,
bool use_blend, bool use_multiply, bool use_refract, bool use_sss, bool use_translucency, int shadow_method);
struct GPUMaterial *EEVEE_material_mesh_volume_get(
struct Scene *scene, Material *ma);
struct GPUMaterial *EEVEE_material_mesh_depth_get(
struct Scene *scene, Material *ma, bool use_hashed_alpha, bool is_shadow);
struct GPUMaterial *EEVEE_material_hair_get(struct Scene *scene, Material *ma, int shadow_method);
void EEVEE_materials_free(void);
void EEVEE_draw_default_passes(EEVEE_PassList *psl);
void EEVEE_update_noise(EEVEE_PassList *psl, EEVEE_FramebufferList *fbl, const double offsets[3]);
/* eevee_lights.c */
void EEVEE_lights_init(EEVEE_ViewLayerData *sldata);
void EEVEE_lights_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_lights_cache_add(EEVEE_ViewLayerData *sldata, struct Object *ob);
void EEVEE_lights_cache_shcaster_add(
EEVEE_ViewLayerData *sldata, EEVEE_StorageList *stl, struct GPUBatch *geom, Object *ob);
void EEVEE_lights_cache_shcaster_material_add(
EEVEE_ViewLayerData *sldata, EEVEE_PassList *psl,
struct GPUMaterial *gpumat, struct GPUBatch *geom, struct Object *ob,
float *alpha_threshold);
void EEVEE_lights_cache_shcaster_object_add(EEVEE_ViewLayerData *sldata, struct Object *ob);
void EEVEE_lights_cache_finish(EEVEE_ViewLayerData *sldata);
void EEVEE_lights_update(EEVEE_ViewLayerData *sldata);
void EEVEE_draw_shadows(EEVEE_ViewLayerData *sldata, EEVEE_PassList *psl);
void EEVEE_lights_free(void);
/* eevee_lightprobes.c */
bool EEVEE_lightprobes_obj_visibility_cb(bool vis_in, void *user_data);
void EEVEE_lightprobes_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_lightprobes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_lightprobes_cache_add(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, Object *ob);
void EEVEE_lightprobes_cache_finish(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_lightprobes_refresh(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_lightprobes_refresh_planar(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_lightprobes_free(void);
void EEVEE_lightbake_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, GPUTexture *rt_color, GPUTexture *rt_depth);
void EEVEE_lightbake_render_world(
EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct GPUFrameBuffer *face_fb[6]);
void EEVEE_lightbake_render_scene(
EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct GPUFrameBuffer *face_fb[6],
const float pos[3], float near_clip, float far_clip);
void EEVEE_lightbake_filter_glossy(
EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct GPUTexture *rt_color, struct GPUFrameBuffer *fb,
int probe_idx, float intensity, int maxlevel);
void EEVEE_lightbake_filter_diffuse(
EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct GPUTexture *rt_color, struct GPUFrameBuffer *fb,
int grid_offset, float intensity);
void EEVEE_lightbake_filter_visibility(
EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct GPUTexture *rt_depth, struct GPUFrameBuffer *fb,
int grid_offset, float clipsta, float clipend, float vis_range, float vis_blur, int vis_size);
void EEVEE_lightprobes_grid_data_from_object(Object *ob, EEVEE_LightGrid *prb_data, int *offset);
void EEVEE_lightprobes_cube_data_from_object(Object *ob, EEVEE_LightProbe *prb_data);
void EEVEE_lightprobes_planar_data_from_object(Object *ob, EEVEE_PlanarReflection *eplanar, EEVEE_LightProbeVisTest *vis_test);
/* eevee_depth_of_field.c */
int EEVEE_depth_of_field_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, Object *camera);
void EEVEE_depth_of_field_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_depth_of_field_draw(EEVEE_Data *vedata);
void EEVEE_depth_of_field_free(void);
/* eevee_bloom.c */
int EEVEE_bloom_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_bloom_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_bloom_draw(EEVEE_Data *vedata);
void EEVEE_bloom_free(void);
/* eevee_occlusion.c */
int EEVEE_occlusion_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_occlusion_output_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_occlusion_output_accumulate(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_occlusion_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_occlusion_compute(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct GPUTexture *depth_src, int layer);
void EEVEE_occlusion_draw_debug(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_occlusion_free(void);
/* eevee_screen_raytrace.c */
int EEVEE_screen_raytrace_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_screen_raytrace_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_refraction_compute(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_reflection_compute(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_screen_raytrace_free(void);
/* eevee_subsurface.c */
int EEVEE_subsurface_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_subsurface_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_subsurface_output_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_subsurface_add_pass(
EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, uint sss_id, struct GPUUniformBuffer *sss_profile);
void EEVEE_subsurface_data_render(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_subsurface_compute(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_subsurface_output_accumulate(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_subsurface_free(void);
/* eevee_motion_blur.c */
int EEVEE_motion_blur_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, Object *camera);
void EEVEE_motion_blur_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_motion_blur_draw(EEVEE_Data *vedata);
void EEVEE_motion_blur_free(void);
/* eevee_mist.c */
void EEVEE_mist_output_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_mist_output_accumulate(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);;
void EEVEE_mist_free(void);
/* eevee_temporal_sampling.c */
void EEVEE_temporal_sampling_reset(EEVEE_Data *vedata);
int EEVEE_temporal_sampling_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_temporal_sampling_matrices_calc(
EEVEE_EffectsInfo *effects, float viewmat[4][4], float persmat[4][4], const double ht_point[2]);
void EEVEE_temporal_sampling_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_temporal_sampling_draw(EEVEE_Data *vedata);
void EEVEE_temporal_sampling_free(void);
/* eevee_volumes.c */
int EEVEE_volumes_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_volumes_set_jitter(EEVEE_ViewLayerData *sldata, uint current_sample);
void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_volumes_cache_object_add(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, struct Scene *scene, Object *ob);
void EEVEE_volumes_compute(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_volumes_resolve(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_volumes_free_smoke_textures(void);
void EEVEE_volumes_free(void);
/* eevee_effects.c */
void EEVEE_effects_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, Object *camera);
void EEVEE_effects_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_create_minmax_buffer(EEVEE_Data *vedata, struct GPUTexture *depth_src, int layer);
void EEVEE_downsample_buffer(EEVEE_Data *vedata, struct GPUTexture *texture_src, int level);
void EEVEE_downsample_cube_buffer(EEVEE_Data *vedata, struct GPUTexture *texture_src, int level);
void EEVEE_effects_do_gtao(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_draw_effects(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
void EEVEE_effects_free(void);
/* eevee_render.c */
void EEVEE_render_init(EEVEE_Data *vedata, struct RenderEngine *engine, struct Depsgraph *depsgraph);
void EEVEE_render_cache(void *vedata, struct Object *ob, struct RenderEngine *engine, struct Depsgraph *depsgraph);
void EEVEE_render_draw(EEVEE_Data *vedata, struct RenderEngine *engine, struct RenderLayer *render_layer, const struct rcti *rect);
void EEVEE_render_update_passes(struct RenderEngine *engine, struct Scene *scene, struct ViewLayer *view_layer);
/** eevee_lookdev.c */
void EEVEE_lookdev_cache_init(EEVEE_Data *vedata, DRWShadingGroup **grp, GPUShader *shader, DRWPass *pass, struct World *world, EEVEE_LightProbesInfo *pinfo);
void EEVEE_lookdev_draw_background(EEVEE_Data *vedata);
/** eevee_engine.c */
void EEVEE_cache_populate(void *vedata, Object *ob);
/* Shadow Matrix */
static const float texcomat[4][4] = { /* From NDC to TexCo */
{0.5f, 0.0f, 0.0f, 0.0f},
{0.0f, 0.5f, 0.0f, 0.0f},
{0.0f, 0.0f, 0.5f, 0.0f},
{0.5f, 0.5f, 0.5f, 1.0f}
};
/* Cubemap Matrices */
static const float cubefacemat[6][4][4] = {
/* Pos X */
{{0.0f, 0.0f, -1.0f, 0.0f},
{0.0f, -1.0f, 0.0f, 0.0f},
{-1.0f, 0.0f, 0.0f, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f}},
/* Neg X */
{{0.0f, 0.0f, 1.0f, 0.0f},
{0.0f, -1.0f, 0.0f, 0.0f},
{1.0f, 0.0f, 0.0f, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f}},
/* Pos Y */
{{1.0f, 0.0f, 0.0f, 0.0f},
{0.0f, 0.0f, -1.0f, 0.0f},
{0.0f, 1.0f, 0.0f, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f}},
/* Neg Y */
{{1.0f, 0.0f, 0.0f, 0.0f},
{0.0f, 0.0f, 1.0f, 0.0f},
{0.0f, -1.0f, 0.0f, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f}},
/* Pos Z */
{{1.0f, 0.0f, 0.0f, 0.0f},
{0.0f, -1.0f, 0.0f, 0.0f},
{0.0f, 0.0f, -1.0f, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f}},
/* Neg Z */
{{-1.0f, 0.0f, 0.0f, 0.0f},
{0.0f, -1.0f, 0.0f, 0.0f},
{0.0f, 0.0f, 1.0f, 0.0f},
{0.0f, 0.0f, 0.0f, 1.0f}},
};
#endif /* __EEVEE_PRIVATE_H__ */
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