fix: update stencil if the output size changes (#178)

3 files changed, 26 insertions, 4 deletions

diff --git a/include/sway/desktop/fx_renderer/fx_framebuffer.h b/include/sway/desktop/fx_renderer/fx_framebuffer.h
index 39eeb257..3372cd00 100644
--- a/include/sway/desktop/fx_renderer/fx_framebuffer.h
+++ b/include/sway/desktop/fx_renderer/fx_framebuffer.h
@@ -5,12 +5,13 @@
 #include <stdbool.h>
 #include <wlr/types/wlr_output.h>
 
+#include "sway/desktop/fx_renderer/fx_stencilbuffer.h"
 #include "sway/desktop/fx_renderer/fx_texture.h"
 
 struct fx_framebuffer {
-	struct fx_texture texture;
 	GLuint fb;
-	GLuint stencil_buffer;
+	struct fx_stencilbuffer stencil_buffer;
+	struct fx_texture texture;
 };
 
 struct fx_framebuffer fx_framebuffer_create();
@@ -23,5 +24,4 @@ void fx_framebuffer_add_stencil_buffer(struct fx_framebuffer *buffer, int width,
 
 void fx_framebuffer_release(struct fx_framebuffer *buffer);
 
-
 #endif
diff --git a/include/sway/desktop/fx_renderer/fx_stencilbuffer.h b/include/sway/desktop/fx_renderer/fx_stencilbuffer.h
new file mode 100644
index 00000000..157c0282
--- /dev/null
+++ b/include/sway/desktop/fx_renderer/fx_stencilbuffer.h
@@ -0,0 +1,18 @@
+#ifndef FX_STENCILBUFFER_H
+#define FX_STENCILBUFFER_H
+
+#include <GLES2/gl2.h>
+#include <stdbool.h>
+#include <wlr/render/wlr_texture.h>
+
+struct fx_stencilbuffer {
+	GLuint rb;
+	int width;
+	int height;
+};
+
+struct fx_stencilbuffer fx_stencilbuffer_create();
+
+void fx_stencilbuffer_release(struct fx_stencilbuffer *stencil_buffer);
+
+#endif
diff --git a/include/sway/desktop/fx_renderer/fx_texture.h b/include/sway/desktop/fx_renderer/fx_texture.h
index 0c375913..62e635e6 100644
--- a/include/sway/desktop/fx_renderer/fx_texture.h
+++ b/include/sway/desktop/fx_renderer/fx_texture.h
@@ -13,6 +13,10 @@ struct fx_texture {
 	int height;
 };
 
-struct fx_texture fx_texture_from_wlr_texture(struct wlr_texture* tex);
+struct fx_texture fx_texture_create();
+
+struct fx_texture fx_texture_from_wlr_texture(struct wlr_texture *tex);
+
+void fx_texture_release(struct fx_texture *texture);
 
 #endif