Eevee: Add Filter Quality setting

This setting can be tweaked to improve glossy reflection cubemaps.

It increases the sample count for each roughness level.
This settings affect the lookdev mode quality as well.

1 files changed, 7 insertions, 3 deletions

diff --git a/source/blender/draw/engines/eevee/eevee_lightcache.c b/source/blender/draw/engines/eevee/eevee_lightcache.c
index 3b6c21ee1b7..207179edd49 100644
--- a/source/blender/draw/engines/eevee/eevee_lightcache.c
+++ b/source/blender/draw/engines/eevee/eevee_lightcache.c
@@ -742,6 +742,7 @@ static void eevee_lightbake_render_world_sample(void *ved, void *user_data)
 	Scene *scene_eval = DEG_get_evaluated_scene(lbake->depsgraph);
 	LightCache *lcache = scene_eval->eevee.light_cache;
 	float clamp = scene_eval->eevee.gi_glossy_clamp;
+	float filter_quality = scene_eval->eevee.gi_filter_quality;
 
 	/* TODO do this once for the whole bake when we have independent DRWManagers. */
 	eevee_lightbake_cache_create(vedata, lbake);
@@ -750,7 +751,7 @@ static void eevee_lightbake_render_world_sample(void *ved, void *user_data)
 	sldata->common_data.ray_depth = 1;
 	DRW_uniformbuffer_update(sldata->common_ubo, &sldata->common_data);
 	EEVEE_lightbake_render_world(sldata, vedata, lbake->rt_fb);
-	EEVEE_lightbake_filter_glossy(sldata, vedata, lbake->rt_color, lbake->store_fb, 0, 1.0f, lcache->mips_len, clamp);
+	EEVEE_lightbake_filter_glossy(sldata, vedata, lbake->rt_color, lbake->store_fb, 0, 1.0f, lcache->mips_len, filter_quality, clamp);
 
 	sldata->common_data.ray_type = EEVEE_RAY_DIFFUSE;
 	sldata->common_data.ray_depth = 1;
@@ -925,6 +926,7 @@ static void eevee_lightbake_render_probe_sample(void *ved, void *user_data)
 	EEVEE_LightProbe *eprobe = lbake->cube;
 	LightProbe *prb = *lbake->probe;
 	float clamp = scene_eval->eevee.gi_glossy_clamp;
+	float filter_quality = scene_eval->eevee.gi_filter_quality;
 
 	/* TODO do this once for the whole bake when we have independent DRWManagers. */
 	eevee_lightbake_cache_create(vedata, lbake);
@@ -939,7 +941,7 @@ static void eevee_lightbake_render_probe_sample(void *ved, void *user_data)
 
 	EEVEE_lightbake_render_scene(sldata, vedata, lbake->rt_fb, eprobe->position, prb->clipsta, prb->clipend);
 	EEVEE_lightbake_filter_glossy(sldata, vedata, lbake->rt_color, lbake->store_fb, lbake->cube_offset,prb->intensity,
-	                              lcache->mips_len, clamp);
+	                              lcache->mips_len, filter_quality, clamp);
 
 	lcache->cube_len += 1;
 
@@ -1175,6 +1177,7 @@ void EEVEE_lightbake_update_world_quick(EEVEE_ViewLayerData *sldata, EEVEE_Data
 {
 	LightCache *lcache = vedata->stl->g_data->light_cache;
 	float clamp = scene->eevee.gi_glossy_clamp;
+	float filter_quality = scene->eevee.gi_filter_quality;
 
 	EEVEE_LightBake lbake = {
 		.resource_only = true
@@ -1189,7 +1192,8 @@ void EEVEE_lightbake_update_world_quick(EEVEE_ViewLayerData *sldata, EEVEE_Data
 	sldata->common_data.ray_depth = 1;
 	DRW_uniformbuffer_update(sldata->common_ubo, &sldata->common_data);
 	EEVEE_lightbake_render_world(sldata, vedata, lbake.rt_fb);
-	EEVEE_lightbake_filter_glossy(sldata, vedata, lbake.rt_color, lbake.store_fb, 0, 1.0f, lcache->mips_len, clamp);
+	EEVEE_lightbake_filter_glossy(sldata, vedata, lbake.rt_color, lbake.store_fb, 0, 1.0f, lcache->mips_len,
+	                              filter_quality, clamp);
 
 	sldata->common_data.ray_type = EEVEE_RAY_DIFFUSE;
 	sldata->common_data.ray_depth = 1;