Merge pull request #68628 from clayjohn/shadows

Implement is_animated and casts_shadows

3 files changed, 14 insertions, 2 deletions

diff --git a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
index 16711b0d5d..558aba62e1 100644
--- a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
@@ -1363,6 +1363,8 @@ void RenderForwardMobile::_render_material(const Transform3D &p_cam_transform, c
 	scene_data.material_uv2_mode = false;
 	scene_data.opaque_prepass_threshold = 0.0f;
 	scene_data.emissive_exposure_normalization = p_exposure_normalization;
+	scene_data.time = time;
+	scene_data.time_step = time_step;
 
 	RenderDataRD render_data;
 	render_data.scene_data = &scene_data;
@@ -1486,6 +1488,8 @@ void RenderForwardMobile::_render_particle_collider_heightfield(RID p_fb, const
 	scene_data.z_far = p_cam_projection.get_z_far();
 	scene_data.dual_paraboloid_side = 0;
 	scene_data.opaque_prepass_threshold = 0.0;
+	scene_data.time = time;
+	scene_data.time_step = time_step;
 
 	RenderDataRD render_data;
 	render_data.scene_data = &scene_data;
diff --git a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
index db9db2fa44..ee82fa7c7d 100644
--- a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
@@ -153,6 +153,8 @@ void SceneShaderForwardMobile::ShaderData::set_code(const String &p_code) {
 
 	depth_draw = DepthDraw(depth_drawi);
 	depth_test = DepthTest(depth_testi);
+	uses_vertex_time = gen_code.uses_vertex_time;
+	uses_fragment_time = gen_code.uses_fragment_time;
 
 #if 0
 	print_line("**compiling shader:");
@@ -415,11 +417,15 @@ bool SceneShaderForwardMobile::ShaderData::is_parameter_texture(const StringName
 }
 
 bool SceneShaderForwardMobile::ShaderData::is_animated() const {
-	return false;
+	return (uses_fragment_time && uses_discard) || (uses_vertex_time && uses_vertex);
 }
 
 bool SceneShaderForwardMobile::ShaderData::casts_shadows() const {
-	return false;
+	bool has_read_screen_alpha = uses_screen_texture || uses_depth_texture || uses_normal_texture;
+	bool has_base_alpha = (uses_alpha && !uses_alpha_clip) || has_read_screen_alpha;
+	bool has_alpha = has_base_alpha || uses_blend_alpha;
+
+	return !has_alpha || (uses_depth_pre_pass && !(depth_draw == DEPTH_DRAW_DISABLED || depth_test == DEPTH_TEST_DISABLED));
 }
 
 Variant SceneShaderForwardMobile::ShaderData::get_default_parameter(const StringName &p_parameter) const {
diff --git a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.h b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.h
index f67665a02f..5b51cfc8c3 100644
--- a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.h
+++ b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.h
@@ -132,6 +132,8 @@ public:
 		bool uses_depth_texture = false;
 		bool uses_normal_texture = false;
 		bool uses_time = false;
+		bool uses_vertex_time = false;
+		bool uses_fragment_time = false;
 		bool writes_modelview_or_projection = false;
 		bool uses_world_coordinates = false;