Merge pull request #76003 from clayjohn/double-particle-offset

Don't store instance transform origin in RD 3D renderer unless requested

servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp

@@ -721,6 +721,14 @@ void RenderForwardClustered::_fill_instance_data(RenderListType p_render_list, i
 		if (inst->store_transform_cache) {
 			RendererRD::MaterialStorage::store_transform(inst->transform, instance_data.transform);
 			RendererRD::MaterialStorage::store_transform(inst->prev_transform, instance_data.prev_transform);
+
+#ifdef REAL_T_IS_DOUBLE
+			// Split the origin into two components, the float approximation and the missing precision
+			// In the shader we will combine these back together to restore the lost precision.
+			RendererRD::MaterialStorage::split_double(inst->transform.origin.x, &instance_data.transform[12], &instance_data.transform[3]);
+			RendererRD::MaterialStorage::split_double(inst->transform.origin.y, &instance_data.transform[13], &instance_data.transform[7]);
+			RendererRD::MaterialStorage::split_double(inst->transform.origin.z, &instance_data.transform[14], &instance_data.transform[11]);
+#endif
 		} else {
 			RendererRD::MaterialStorage::store_transform(Transform3D(), instance_data.transform);
 			RendererRD::MaterialStorage::store_transform(Transform3D(), instance_data.prev_transform);
@@ -735,14 +743,6 @@ void RenderForwardClustered::_fill_instance_data(RenderListType p_render_list, i
 		instance_data.lightmap_uv_scale[2] = inst->lightmap_uv_scale.size.x;
 		instance_data.lightmap_uv_scale[3] = inst->lightmap_uv_scale.size.y;
 
-#ifdef REAL_T_IS_DOUBLE
-		// Split the origin into two components, the float approximation and the missing precision
-		// In the shader we will combine these back together to restore the lost precision.
-		RendererRD::MaterialStorage::split_double(inst->transform.origin.x, &instance_data.transform[12], &instance_data.transform[3]);
-		RendererRD::MaterialStorage::split_double(inst->transform.origin.y, &instance_data.transform[13], &instance_data.transform[7]);
-		RendererRD::MaterialStorage::split_double(inst->transform.origin.z, &instance_data.transform[14], &instance_data.transform[11]);
-#endif
-
 		bool cant_repeat = instance_data.flags & INSTANCE_DATA_FLAG_MULTIMESH || inst->mesh_instance.is_valid();
 
 		if (prev_surface != nullptr && !cant_repeat && prev_surface->sort.sort_key1 == surface->sort.sort_key1 && prev_surface->sort.sort_key2 == surface->sort.sort_key2 && inst->mirror == prev_surface->owner->mirror && repeats < RenderElementInfo::MAX_REPEATS) {

servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp

@@ -2060,17 +2060,17 @@ void RenderForwardMobile::_render_list_template(RenderingDevice::DrawListID p_dr
 
 		if (inst->store_transform_cache) {
 			RendererRD::MaterialStorage::store_transform(inst->transform, push_constant.transform);
-		} else {
-			RendererRD::MaterialStorage::store_transform(Transform3D(), push_constant.transform);
-		}
 
 #ifdef REAL_T_IS_DOUBLE
-		// Split the origin into two components, the float approximation and the missing precision
-		// In the shader we will combine these back together to restore the lost precision.
-		RendererRD::MaterialStorage::split_double(inst->transform.origin.x, &push_constant.transform[12], &push_constant.transform[3]);
-		RendererRD::MaterialStorage::split_double(inst->transform.origin.y, &push_constant.transform[13], &push_constant.transform[7]);
-		RendererRD::MaterialStorage::split_double(inst->transform.origin.z, &push_constant.transform[14], &push_constant.transform[11]);
+			// Split the origin into two components, the float approximation and the missing precision
+			// In the shader we will combine these back together to restore the lost precision.
+			RendererRD::MaterialStorage::split_double(inst->transform.origin.x, &push_constant.transform[12], &push_constant.transform[3]);
+			RendererRD::MaterialStorage::split_double(inst->transform.origin.y, &push_constant.transform[13], &push_constant.transform[7]);
+			RendererRD::MaterialStorage::split_double(inst->transform.origin.z, &push_constant.transform[14], &push_constant.transform[11]);
 #endif
+		} else {
+			RendererRD::MaterialStorage::store_transform(Transform3D(), push_constant.transform);
+		}
 
 		push_constant.flags = inst->flags_cache;
 		push_constant.gi_offset = inst->gi_offset_cache;