Eevee: Add Screen Space Refraction.

For the moment the only way to enable this is to:
- enable Screen Space REFLECTIONS.
- enable Screen Space Refraction in the SSR parameters.
- enable Screen Space Refraction in the material tab.

2 files changed, 13 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_material.c b/source/blender/makesrna/intern/rna_material.c
index d01ce407815..40c4345659c 100644
--- a/source/blender/makesrna/intern/rna_material.c
+++ b/source/blender/makesrna/intern/rna_material.c
@@ -1869,6 +1869,11 @@ void RNA_def_material(BlenderRNA *brna)
 	                                                 "(avoids transparency sorting problems)");
 	RNA_def_property_update(prop, 0, "rna_Material_draw_update");
 
+	prop = RNA_def_property(srna, "transparent_refraction", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "blend_flag", MA_BL_REFRACTION);
+	RNA_def_property_ui_text(prop, "Screen Space Refraction" , "Use raytraced screen space refraction");
+	RNA_def_property_update(prop, 0, "rna_Material_draw_update");
+
 	/* For Preview Render */
 	prop = RNA_def_property(srna, "preview_render_type", PROP_ENUM, PROP_NONE);
 	RNA_def_property_enum_sdna(prop, NULL, "pr_type");
diff --git a/source/blender/makesrna/intern/rna_scene.c b/source/blender/makesrna/intern/rna_scene.c
index 3bd104f1e7d..92b62e5c5ec 100644
--- a/source/blender/makesrna/intern/rna_scene.c
+++ b/source/blender/makesrna/intern/rna_scene.c
@@ -2634,6 +2634,7 @@ RNA_LAYER_ENGINE_EEVEE_GET_SET_FLOAT(volumetric_light_clamp)
 RNA_LAYER_ENGINE_EEVEE_GET_SET_BOOL(volumetric_shadows)
 RNA_LAYER_ENGINE_EEVEE_GET_SET_INT(volumetric_shadow_samples)
 RNA_LAYER_ENGINE_EEVEE_GET_SET_BOOL(volumetric_colored_transmittance)
+RNA_LAYER_ENGINE_EEVEE_GET_SET_BOOL(ssr_refraction)
 RNA_LAYER_ENGINE_EEVEE_GET_SET_BOOL(ssr_enable)
 RNA_LAYER_ENGINE_EEVEE_GET_SET_BOOL(ssr_halfres)
 RNA_LAYER_ENGINE_EEVEE_GET_SET_INT(ssr_ray_count)
@@ -6204,6 +6205,13 @@ 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, "ssr_refraction", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_funcs(prop, "rna_LayerEngineSettings_Eevee_ssr_refraction_get",
+	                               "rna_LayerEngineSettings_Eevee_ssr_refraction_set");
+	RNA_def_property_ui_text(prop, "Screen Space Refractions", "Enable screen space Refractions");
+	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, "ssr_halfres", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_funcs(prop, "rna_LayerEngineSettings_Eevee_ssr_halfres_get",
 	                               "rna_LayerEngineSettings_Eevee_ssr_halfres_set");