feat: add functions required by SwayFX (#35)

1 files changed, 29 insertions, 0 deletions

diff --git a/include/scenefx/render/fx_renderer/fx_effect_framebuffers.h b/include/scenefx/render/fx_renderer/fx_effect_framebuffers.h
new file mode 100644
index 0000000..566884a
--- /dev/null
+++ b/include/scenefx/render/fx_renderer/fx_effect_framebuffers.h
@@ -0,0 +1,29 @@
+#ifndef _FX_EFFECT_FRAMEBUFFERS_H
+#define _FX_EFFECT_FRAMEBUFFERS_H
+
+#include <wlr/types/wlr_output.h>
+#include <wlr/util/addon.h>
+
+/**
+ * Used to add effect framebuffers per output instead of every output sharing
+ * them.
+ */
+struct fx_effect_framebuffers {
+	struct wlr_addon addon;
+
+	// Contains the blurred background for tiled windows
+	struct fx_framebuffer *optimized_blur_buffer;
+	// Contains the original pixels to draw over the areas where artifact are visible
+	struct fx_framebuffer *blur_saved_pixels_buffer;
+	// Blur swaps between the two effects buffers everytime it scales the image
+	// Buffer used for effects
+	struct fx_framebuffer *effects_buffer;
+	// Swap buffer used for effects
+	struct fx_framebuffer *effects_buffer_swapped;
+
+	bool blur_buffer_dirty;
+};
+
+struct fx_effect_framebuffers *fx_effect_framebuffers_try_get(struct wlr_output *output);
+
+#endif