paint: taa cleanup

paint/sources/base.c

@@ -916,7 +916,6 @@ void ui_base_update_ui() {
 		g_context->brush_time       = 0;
 		g_context->prev_paint_vec_x = -1;
 		g_context->prev_paint_vec_y = -1;
-		// g_context->ddirty              = 3; // Keep accumulated samples for D3D12
 		g_context->brush_blend_dirty = true; // Update brush mask
 
 		g_context->layer_preview_dirty = true; // Update layer preview

paint/sources/render_path_base.c

@@ -74,6 +74,9 @@ void render_path_base_begin() {
 
 	scene_camera->frame = skip_taa ? 0 : render_path_base_taa_frame;
 	camera_object_proj_jitter(scene_camera);
+	if (skip_taa) {
+		scene_camera->p = scene_camera->no_jitter_p;
+	}
 	camera_object_build_mat(scene_camera);
 }
 

paint/sources/uniforms_ext.c

@@ -109,15 +109,7 @@ f32 uniforms_ext_f32_link(object_t *object, material_data_t *mat, char *link) {
 		return g_context->picked_color->height;
 	}
 	else if (string_equals(link, "_taa_blend")) {
-		if (render_path_base_taa_frame == 0) {
-			return 0.0;
-		}
-		if (g_context->ddirty > 1 || g_context->pdirty > 0) {
-			camera_object_taa_frames = 2;
-			return 0.5;
-		}
-		camera_object_taa_frames = 6;
-		return 0.833;
+		return render_path_base_taa_frame == 0 ? 0.0 : 0.5;
 	}
 	if (parser_material_script_links != NULL) {
 		string_array_t *keys = map_keys(parser_material_script_links);