Add layer effect option to ignore transparent regions when blurring (#159)

2 files changed, 12 insertions, 0 deletions

diff --git a/include/sway/desktop/fx_renderer/fx_renderer.h b/include/sway/desktop/fx_renderer/fx_renderer.h
index 67dc6adf..410e3d94 100644
--- a/include/sway/desktop/fx_renderer/fx_renderer.h
+++ b/include/sway/desktop/fx_renderer/fx_renderer.h
@@ -32,6 +32,7 @@ struct decoration_data {
 	float dim;
 	float *dim_color;
 	bool has_titlebar;
+	bool discard_transparent;
 	bool blur;
 	bool shadow;
 };
@@ -113,6 +114,7 @@ struct tex_shader {
 	GLint dim;
 	GLint dim_color;
 	GLint has_titlebar;
+	GLint discard_transparent;
 };
 
 struct fx_renderer {
@@ -177,6 +179,15 @@ void fx_renderer_clear(const float color[static 4]);
 
 void fx_renderer_scissor(struct wlr_box *box);
 
+// Initialize the stenciling work
+void fx_renderer_stencil_mask_init();
+
+// Close the mask
+void fx_renderer_stencil_mask_close(bool draw_inside_mask);
+
+// Finish stenciling and clear the buffer
+void fx_renderer_stencil_mask_fini();
+
 bool fx_render_subtexture_with_matrix(struct fx_renderer *renderer, struct fx_texture *fx_texture,
 		const struct wlr_fbox *src_box, const struct wlr_box *dst_box, const float matrix[static 9],
 		struct decoration_data deco_data);
diff --git a/include/sway/layers.h b/include/sway/layers.h
index b04990dc..5871f0d8 100644
--- a/include/sway/layers.h
+++ b/include/sway/layers.h
@@ -30,6 +30,7 @@ struct sway_layer_surface {
 
 	bool has_shadow;
 	bool has_blur;
+	bool blur_ignore_transparent;
 	int corner_radius;
 };