Attempt to fix incorrect hdr colors on kde plasma 6.2

include/color_conversion.h

@@ -40,6 +40,8 @@ typedef struct {
 
     gsr_color_range color_range;
     bool load_external_image_shader;
+
+    bool kde_gamma_correction;
 } gsr_color_conversion_params;
 
 typedef struct {

include/utils.h

@@ -50,6 +50,7 @@ drm_connector_type_count* drm_connector_types_get_index(drm_connector_type_count
 uint32_t monitor_identifier_from_type_and_count(int monitor_type_index, int monitor_type_count);
 
 bool gl_get_gpu_info(gsr_egl *egl, gsr_gpu_info *info);
+bool version_greater_than(int major, int minor, int patch, int other_major, int other_minor, int other_patch);
 bool gl_driver_version_greater_than(const gsr_gpu_info *gpu_info, int major, int minor, int patch);
 
 bool try_card_has_valid_plane(const char *card_path);

include/window/window.h

@@ -21,6 +21,7 @@ struct gsr_window {
     void* (*get_display)(gsr_window *self);
     void* (*get_window)(gsr_window *self);
     void (*for_each_active_monitor_output_cached)(const gsr_window *self, active_monitor_callback callback, void *userdata);
+    bool (*is_compositor_kwin)(const gsr_window *self); /* can be NULL. Is currently only defined for Wayland */
     void *priv;
 };