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Refactored shadowmapping.

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- Made shadow bias size independent, so it will remain when changing light or camera size.
- Implemented normal offset bias, which greatly enhances quality.
- Added transmission to subsurface scattering
- Reimplemented shadow filter modes

Closes #17260
This commit is contained in:
Juan Linietsky
2020-04-07 22:51:52 -03:00
parent b2f79cac9a
commit 4ffc0d6b3f
34 changed files with 1032 additions and 291 deletions
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8
servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp
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@@ -3105,14 +3105,15 @@ RID RasterizerStorageRD::light_create(RS::LightType p_type) {
light.param[RS::LIGHT_PARAM_SPECULAR] = 0.5;
light.param[RS::LIGHT_PARAM_RANGE] = 1.0;
light.param[RS::LIGHT_PARAM_SPOT_ANGLE] = 45;
light.param[RS::LIGHT_PARAM_CONTACT_SHADOW_SIZE] = 45;
light.param[RS::LIGHT_PARAM_SHADOW_MAX_DISTANCE] = 0;
light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_1_OFFSET] = 0.1;
light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_2_OFFSET] = 0.3;
light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_3_OFFSET] = 0.6;
light.param[RS::LIGHT_PARAM_SHADOW_FADE_START] = 0.8;
light.param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] = 0.1;
light.param[RS::LIGHT_PARAM_SHADOW_BIAS_SPLIT_SCALE] = 0.1;
light.param[RS::LIGHT_PARAM_SHADOW_BIAS] = 0.02;
light.param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] = 1.0;
light.param[RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE] = 20.0;
light.param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS] = 0.05;
return light_owner.make_rid(light);
}
@@ -3138,6 +3139,7 @@ void RasterizerStorageRD::light_set_param(RID p_light, RS::LightParam p_param, f
case RS::LIGHT_PARAM_SHADOW_SPLIT_2_OFFSET:
case RS::LIGHT_PARAM_SHADOW_SPLIT_3_OFFSET:
case RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS:
case RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE:
case RS::LIGHT_PARAM_SHADOW_BIAS: {
light->version++;