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Eevee: Probe: Add Cubemap Resolution option.

This commit is contained in:
Clément Foucault 2017-10-10 21:56:11 +02:00
parent 31386afaa1
commit d46842108d
5 changed files with 40 additions and 17 deletions
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1
release/scripts/startup/bl_ui/properties_render.py
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@ -822,6 +822,7 @@ class RENDER_PT_eevee_indirect_lighting(RenderButtonsPanel, Panel):
col = layout.column()
col.prop(props, "gi_diffuse_bounces")
col.prop(props, "gi_cubemap_resolution")
classes = (

1
source/blender/draw/engines/eevee/eevee_engine.c
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@ -312,6 +312,7 @@ static void EEVEE_scene_layer_settings_create(RenderEngine *UNUSED(engine), IDPr
props->subtype == IDP_GROUP_SUB_ENGINE_RENDER);
BKE_collection_engine_property_add_int(props, "gi_diffuse_bounces", 3);
BKE_collection_engine_property_add_int(props, "gi_cubemap_resolution", 512);
BKE_collection_engine_property_add_int(props, "taa_samples", 8);

45
source/blender/draw/engines/eevee/eevee_lightprobes.c
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@ -45,9 +45,6 @@
#include "eevee_engine.h"
#include "eevee_private.h"
/* TODO Option */
#define PROBE_RT_SIZE 512 /* Cube render target */
#define PROBE_OCTAHEDRON_SIZE 1024
#define IRRADIANCE_POOL_SIZE 1024
static struct {
@ -287,6 +284,20 @@ void EEVEE_lightprobes_init(EEVEE_SceneLayerData *sldata, EEVEE_Data *UNUSED(ved
}
sldata->probes->num_bounce = prop_bounce_num;
int prop_cubemap_res = BKE_collection_engine_property_value_get_int(props, "gi_cubemap_resolution");
if (sldata->probes->cubemap_res != prop_cubemap_res) {
sldata->probes->cubemap_res = prop_cubemap_res;
e_data.update_world |= PROBE_UPDATE_ALL;
sldata->probes->updated_bounce = 0;
sldata->probes->grid_initialized = false;
sldata->probes->target_size = prop_cubemap_res >> 1;
DRW_TEXTURE_FREE_SAFE(sldata->probe_rt);
DRW_TEXTURE_FREE_SAFE(sldata->probe_pool);
}
/* Setup Render Target Cubemap */
/* We do this detach / attach dance to not generate an invalid framebuffer (mixed cubemap / 2D map) */
@ -296,10 +307,10 @@ void EEVEE_lightprobes_init(EEVEE_SceneLayerData *sldata, EEVEE_Data *UNUSED(ved
}
DRWFboTexture tex_probe = {&e_data.cube_face_depth, DRW_TEX_DEPTH_24, DRW_TEX_TEMP};
DRW_framebuffer_init(&sldata->probe_fb, &draw_engine_eevee_type, PROBE_RT_SIZE, PROBE_RT_SIZE, &tex_probe, 1);
DRW_framebuffer_init(&sldata->probe_fb, &draw_engine_eevee_type, sldata->probes->target_size, sldata->probes->target_size, &tex_probe, 1);
if (!sldata->probe_rt) {
sldata->probe_rt = DRW_texture_create_cube(PROBE_RT_SIZE, DRW_TEX_RGBA_16, DRW_TEX_FILTER | DRW_TEX_MIPMAP, NULL);
sldata->probe_rt = DRW_texture_create_cube(sldata->probes->target_size, DRW_TEX_RGBA_16, DRW_TEX_FILTER | DRW_TEX_MIPMAP, NULL);
}
if (sldata->probe_rt) {
@ -778,7 +789,7 @@ void EEVEE_lightprobes_cache_finish(EEVEE_SceneLayerData *sldata, EEVEE_Data *ve
DRW_shgroup_set_instance_count(stl->g_data->planar_downsample, pinfo->num_planar);
if (!sldata->probe_pool) {
sldata->probe_pool = DRW_texture_create_2D_array(PROBE_OCTAHEDRON_SIZE, PROBE_OCTAHEDRON_SIZE, max_ff(1, pinfo->num_cube),
sldata->probe_pool = DRW_texture_create_2D_array(pinfo->cubemap_res, pinfo->cubemap_res, max_ff(1, pinfo->num_cube),
DRW_TEX_RGB_11_11_10, DRW_TEX_FILTER | DRW_TEX_MIPMAP, NULL);
if (sldata->probe_filter_fb) {
DRW_framebuffer_texture_attach(sldata->probe_filter_fb, sldata->probe_pool, 0, 0);
@ -800,7 +811,7 @@ void EEVEE_lightprobes_cache_finish(EEVEE_SceneLayerData *sldata, EEVEE_Data *ve
DRWFboTexture tex_filter = {&sldata->probe_pool, DRW_TEX_RGBA_16, DRW_TEX_FILTER | DRW_TEX_MIPMAP};
DRW_framebuffer_init(&sldata->probe_filter_fb, &draw_engine_eevee_type, PROBE_OCTAHEDRON_SIZE, PROBE_OCTAHEDRON_SIZE, &tex_filter, 1);
DRW_framebuffer_init(&sldata->probe_filter_fb, &draw_engine_eevee_type, pinfo->cubemap_res, pinfo->cubemap_res, &tex_filter, 1);
#ifdef IRRADIANCE_SH_L2
@ -867,7 +878,7 @@ static void glossy_filter_probe(EEVEE_SceneLayerData *sldata, EEVEE_Data *vedata
EEVEE_LightProbesInfo *pinfo = sldata->probes;
/* Max lod used from the render target probe */
pinfo->lod_rt_max = floorf(log2f(PROBE_RT_SIZE)) - 2.0f;
pinfo->lod_rt_max = floorf(log2f(pinfo->target_size)) - 2.0f;
/* 2 - Let gpu create Mipmaps for Filtered Importance Sampling. */
/* Bind next framebuffer to be able to gen. mips for probe_rt. */
@ -877,8 +888,8 @@ static void glossy_filter_probe(EEVEE_SceneLayerData *sldata, EEVEE_Data *vedata
/* 3 - Render to probe array to the specified layer, do prefiltering. */
/* Detach to rebind the right mipmap. */
DRW_framebuffer_texture_detach(sldata->probe_pool);
float mipsize = PROBE_OCTAHEDRON_SIZE;
const int maxlevel = (int)floorf(log2f(PROBE_OCTAHEDRON_SIZE));
float mipsize = pinfo->cubemap_res;
const int maxlevel = (int)floorf(log2f(pinfo->cubemap_res));
const int min_lod_level = 3;
for (int i = 0; i < maxlevel - min_lod_level; i++) {
float bias = (i == 0) ? -1.0f : 1.0f;
@ -917,7 +928,7 @@ static void glossy_filter_probe(EEVEE_SceneLayerData *sldata, EEVEE_Data *vedata
#endif
pinfo->invsamples_ct = 1.0f / pinfo->samples_ct;
pinfo->lodfactor = bias + 0.5f * log((float)(PROBE_RT_SIZE * PROBE_RT_SIZE) * pinfo->invsamples_ct) / log(2);
pinfo->lodfactor = bias + 0.5f * log((float)(pinfo->target_size * pinfo->target_size) * pinfo->invsamples_ct) / log(2);
DRW_framebuffer_texture_attach(sldata->probe_filter_fb, sldata->probe_pool, 0, i);
DRW_framebuffer_viewport_size(sldata->probe_filter_fb, 0, 0, mipsize, mipsize);
@ -959,8 +970,8 @@ static void diffuse_filter_probe(EEVEE_SceneLayerData *sldata, EEVEE_Data *vedat
/* Tweaking parameters to balance perf. vs precision */
const float bias = 0.0f;
pinfo->invsamples_ct = 1.0f / pinfo->samples_ct;
pinfo->lodfactor = bias + 0.5f * log((float)(PROBE_RT_SIZE * PROBE_RT_SIZE) * pinfo->invsamples_ct) / log(2);
pinfo->lod_rt_max = floorf(log2f(PROBE_RT_SIZE)) - 2.0f;
pinfo->lodfactor = bias + 0.5f * log((float)(pinfo->target_size * pinfo->target_size) * pinfo->invsamples_ct) / log(2);
pinfo->lod_rt_max = floorf(log2f(pinfo->target_size)) - 2.0f;
#else
pinfo->shres = 32; /* Less texture fetches & reduce branches */
pinfo->lod_rt_max = 2.0f; /* Improve cache reuse */
@ -1049,7 +1060,7 @@ static void render_scene_to_probe(
EEVEE_draw_shadows(sldata, psl);
DRW_framebuffer_cubeface_attach(sldata->probe_fb, sldata->probe_rt, 0, i, 0);
DRW_framebuffer_viewport_size(sldata->probe_fb, 0, 0, PROBE_RT_SIZE, PROBE_RT_SIZE);
DRW_framebuffer_viewport_size(sldata->probe_fb, 0, 0, pinfo->target_size, pinfo->target_size);
DRW_framebuffer_clear(false, true, false, NULL, 1.0);
@ -1081,8 +1092,8 @@ static void render_scene_to_probe(
DRW_viewport_matrix_override_unset(DRW_MAT_WININV);
/* Restore */
sldata->probes->specular_toggle = true;
sldata->probes->ssr_toggle = true;
pinfo->specular_toggle = true;
pinfo->ssr_toggle = true;
txl->planar_pool = tmp_planar_pool;
stl->g_data->minzbuffer = tmp_minz;
txl->maxzbuffer = tmp_maxz;
@ -1193,7 +1204,7 @@ static void render_world_to_probe(EEVEE_SceneLayerData *sldata, EEVEE_PassList *
float viewinv[4][4], persinv[4][4];
DRW_framebuffer_cubeface_attach(sldata->probe_fb, sldata->probe_rt, 0, i, 0);
DRW_framebuffer_viewport_size(sldata->probe_fb, 0, 0, PROBE_RT_SIZE, PROBE_RT_SIZE);
DRW_framebuffer_viewport_size(sldata->probe_fb, 0, 0, pinfo->target_size, pinfo->target_size);
/* Setup custom matrices */
copy_m4_m4(viewmat, cubefacemat[i]);

2
source/blender/draw/engines/eevee/eevee_private.h
View File

@ -321,6 +321,8 @@ typedef struct EEVEE_LightProbesInfo {
int update_flag;
int updated_bounce;
int num_bounce;
int cubemap_res;
int target_size;
int grid_initialized;
/* Actual number of probes that have datas. */
int num_render_cube;

8
source/blender/makesrna/intern/rna_scene.c
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@ -2571,6 +2571,7 @@ RNA_LAYER_ENGINE_EEVEE_GET_SET_INT(shadow_size)
RNA_LAYER_ENGINE_EEVEE_GET_SET_BOOL(shadow_high_bitdepth)
RNA_LAYER_ENGINE_EEVEE_GET_SET_INT(taa_samples)
RNA_LAYER_ENGINE_EEVEE_GET_SET_INT(gi_diffuse_bounces)
RNA_LAYER_ENGINE_EEVEE_GET_SET_INT(gi_cubemap_resolution)
/* object engine */
RNA_LAYER_MODE_OBJECT_GET_SET_BOOL(show_wire)
@ -6187,6 +6188,13 @@ static void rna_def_scene_layer_engine_settings_eevee(BlenderRNA *brna)
RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);
RNA_def_property_update(prop, NC_SCENE | ND_LAYER_CONTENT, "rna_SceneLayerEngineSettings_update");
prop = RNA_def_property(srna, "gi_cubemap_resolution", PROP_ENUM, PROP_NONE);
RNA_def_property_enum_funcs(prop, "rna_LayerEngineSettings_Eevee_gi_cubemap_resolution_get", "rna_LayerEngineSettings_Eevee_gi_cubemap_resolution_set", NULL);
RNA_def_property_enum_items(prop, eevee_shadow_size_items);
RNA_def_property_ui_text(prop, "Cubemap Size", "Size of every cubemaps");
RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);
RNA_def_property_update(prop, NC_SCENE | ND_LAYER_CONTENT, "rna_SceneLayerEngineSettings_update");
/* Temporal Anti-Aliasing (super sampling) */
prop = RNA_def_property(srna, "taa_samples", PROP_INT, PROP_NONE);
RNA_def_property_int_funcs(prop, "rna_LayerEngineSettings_Eevee_taa_samples_get",