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	Merge pull request #314 from emersion/cleanup-gamma-control
Cleanup wlr_gamma_control
This commit is contained in:
		
						commit
						53174f3d61
					
				
					 6 changed files with 111 additions and 42 deletions
				
			
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			@ -211,13 +211,13 @@ static void wlr_drm_connector_swap_buffers(struct wlr_output *output) {
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}
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static void wlr_drm_connector_set_gamma(struct wlr_output *output,
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		uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
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		uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
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	struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
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	struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
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	drmModeCrtcSetGamma(drm->fd, conn->crtc->id, size, r, g, b);
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}
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static uint16_t wlr_drm_connector_get_gamma_size(struct wlr_output *output) {
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static uint32_t wlr_drm_connector_get_gamma_size(struct wlr_output *output) {
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	struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
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	drmModeCrtc *crtc = conn->old_crtc;
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	return crtc ? crtc->gamma_size : 0;
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			@ -18,8 +18,8 @@ struct wlr_output_impl {
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	void (*make_current)(struct wlr_output *output);
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	void (*swap_buffers)(struct wlr_output *output);
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	void (*set_gamma)(struct wlr_output *output,
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		uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b);
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	uint16_t (*get_gamma_size)(struct wlr_output *output);
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		uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b);
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	uint32_t (*get_gamma_size)(struct wlr_output *output);
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};
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void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
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			@ -5,18 +5,28 @@
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struct wlr_gamma_control_manager {
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	struct wl_global *wl_global;
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	struct wl_list controls; // list of wlr_gamma_control
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	void *data;
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};
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struct wlr_gamma_control {
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	struct wl_resource *resource;
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	struct wl_resource *output;
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	struct wlr_output *output;
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	struct wl_list link;
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	struct wl_listener output_destroy_listener;
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	struct {
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		struct wl_signal destroy;
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	} events;
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	void* data;
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};
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struct wlr_gamma_control_manager *wlr_gamma_control_manager_create(struct wl_display *display);
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void wlr_gamma_control_manager_destroy(struct wlr_gamma_control_manager *gamma_control_manager);
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struct wlr_gamma_control_manager *wlr_gamma_control_manager_create(
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	struct wl_display *display);
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void wlr_gamma_control_manager_destroy(
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	struct wlr_gamma_control_manager *gamma_control_manager);
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#endif
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			@ -84,7 +84,7 @@ void wlr_output_effective_resolution(struct wlr_output *output,
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void wlr_output_make_current(struct wlr_output *output);
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void wlr_output_swap_buffers(struct wlr_output *output);
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void wlr_output_set_gamma(struct wlr_output *output,
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	uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b);
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uint16_t wlr_output_get_gamma_size(struct wlr_output *output);
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	uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b);
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uint32_t wlr_output_get_gamma_size(struct wlr_output *output);
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#endif
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			@ -6,96 +6,155 @@
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#include <wlr/util/log.h>
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#include "gamma-control-protocol.h"
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static void resource_destroy(struct wl_client *client, struct wl_resource *resource) {
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static void resource_destroy(struct wl_client *client,
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		struct wl_resource *resource) {
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	wl_resource_destroy(resource);
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}
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static void gamma_control_destroy(struct wl_resource *resource) {
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	struct wlr_gamma_control *gamma_control = wl_resource_get_user_data(resource);
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static void gamma_control_destroy(struct wlr_gamma_control *gamma_control) {
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	wl_signal_emit(&gamma_control->events.destroy, gamma_control);
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	wl_list_remove(&gamma_control->output_destroy_listener.link);
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	wl_resource_set_user_data(gamma_control->resource, NULL);
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	free(gamma_control);
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}
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static void gamma_control_destroy_resource(struct wl_resource *resource) {
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	struct wlr_gamma_control *gamma_control =
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		wl_resource_get_user_data(resource);
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	gamma_control_destroy(gamma_control);
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}
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static void gamma_control_handle_output_destroy(struct wl_listener *listener,
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		void *data) {
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	struct wlr_gamma_control *gamma_control =
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		wl_container_of(listener, gamma_control, output_destroy_listener);
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	gamma_control_destroy(gamma_control);
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}
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static void gamma_control_set_gamma(struct wl_client *client,
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		struct wl_resource *_gamma_control, struct wl_array *red,
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		struct wl_resource *gamma_control_resource, struct wl_array *red,
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		struct wl_array *green, struct wl_array *blue) {
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	struct wlr_gamma_control *gamma_control =
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		wl_resource_get_user_data(gamma_control_resource);
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	if (red->size != green->size || red->size != blue->size) {
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		wl_resource_post_error(_gamma_control, GAMMA_CONTROL_ERROR_INVALID_GAMMA,
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		wl_resource_post_error(gamma_control_resource,
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			GAMMA_CONTROL_ERROR_INVALID_GAMMA,
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			"The gamma ramps don't have the same size");
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		return;
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	}
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	uint32_t size = red->size / sizeof(uint16_t);
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	uint16_t *r = (uint16_t *)red->data;
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	uint16_t *g = (uint16_t *)green->data;
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	uint16_t *b = (uint16_t *)blue->data;
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	struct wlr_gamma_control *gamma_control = wl_resource_get_user_data(_gamma_control);
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	struct wlr_output *output = wl_resource_get_user_data(gamma_control->output);
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	wlr_output_set_gamma(output, red->size / sizeof(uint16_t), r, g, b);
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	wlr_output_set_gamma(gamma_control->output, size, r, g, b);
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}
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static void gamma_control_reset_gamma(struct wl_client *client,
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		struct wl_resource *_gamma_control) {
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		struct wl_resource *gamma_control_resource) {
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	// TODO
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}
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static const struct gamma_control_interface gamma_control_implementation = {
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static const struct gamma_control_interface gamma_control_impl = {
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	.destroy = resource_destroy,
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	.set_gamma = gamma_control_set_gamma,
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	.reset_gamma = gamma_control_reset_gamma,
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};
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static void gamma_control_manager_get_gamma_control(struct wl_client *client,
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		struct wl_resource *_gamma_control_manager, uint32_t id,
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		struct wl_resource *_output) {
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	//struct wlr_gamma_control_manager *gamma_control_manager =
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	//	wl_resource_get_user_data(_gamma_control_manager);
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	struct wlr_output *output = wl_resource_get_user_data(_output);
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	struct wlr_gamma_control *gamma_control;
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	if (!(gamma_control = calloc(1, sizeof(struct wlr_gamma_control)))) {
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		struct wl_resource *gamma_control_manager_resource, uint32_t id,
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		struct wl_resource *output_resource) {
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	struct wlr_gamma_control_manager *gamma_control_manager =
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		wl_resource_get_user_data(gamma_control_manager_resource);
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	struct wlr_output *output = wl_resource_get_user_data(output_resource);
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	struct wlr_gamma_control *gamma_control =
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		calloc(1, sizeof(struct wlr_gamma_control));
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	if (gamma_control == NULL) {
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		wl_client_post_no_memory(client);
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		return;
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	}
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	gamma_control->output = _output;
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	gamma_control->output = output;
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	int version = wl_resource_get_version(gamma_control_manager_resource);
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	gamma_control->resource = wl_resource_create(client,
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		&gamma_control_interface, wl_resource_get_version(_gamma_control_manager), id);
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	wlr_log(L_DEBUG, "new gamma_control %p (res %p)", gamma_control, gamma_control->resource);
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		&gamma_control_interface, version, id);
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	if (gamma_control->resource == NULL) {
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		wl_client_post_no_memory(client);
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		free(gamma_control);
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		return;
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	}
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	wlr_log(L_DEBUG, "new gamma_control %p (res %p)", gamma_control,
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		gamma_control->resource);
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	wl_resource_set_implementation(gamma_control->resource,
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		&gamma_control_implementation, gamma_control, gamma_control_destroy);
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	gamma_control_send_gamma_size(gamma_control->resource, wlr_output_get_gamma_size(output));
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		&gamma_control_impl, gamma_control, gamma_control_destroy_resource);
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	wl_signal_init(&gamma_control->events.destroy);
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	wl_signal_add(&output->events.destroy,
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		&gamma_control->output_destroy_listener);
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	gamma_control->output_destroy_listener.notify =
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		gamma_control_handle_output_destroy;
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	wl_list_insert(&gamma_control_manager->controls, &gamma_control->link);
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	gamma_control_send_gamma_size(gamma_control->resource,
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		wlr_output_get_gamma_size(output));
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}
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static struct gamma_control_manager_interface gamma_control_manager_impl = {
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	.get_gamma_control = gamma_control_manager_get_gamma_control,
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};
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static void gamma_control_manager_bind(struct wl_client *wl_client,
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static void gamma_control_manager_bind(struct wl_client *client,
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		void *_gamma_control_manager, uint32_t version, uint32_t id) {
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	struct wlr_gamma_control_manager *gamma_control_manager = _gamma_control_manager;
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	assert(wl_client && gamma_control_manager);
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	struct wlr_gamma_control_manager *gamma_control_manager =
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		_gamma_control_manager;
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	assert(client && gamma_control_manager);
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	struct wl_resource *wl_resource = wl_resource_create(
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		wl_client, &gamma_control_manager_interface, version, id);
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	wl_resource_set_implementation(wl_resource, &gamma_control_manager_impl,
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	struct wl_resource *resource = wl_resource_create(client,
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		&gamma_control_manager_interface, version, id);
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	if (resource == NULL) {
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		wl_client_post_no_memory(client);
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		return;
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	}
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	wl_resource_set_implementation(resource, &gamma_control_manager_impl,
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		gamma_control_manager, NULL);
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}
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struct wlr_gamma_control_manager *wlr_gamma_control_manager_create(struct wl_display *display) {
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struct wlr_gamma_control_manager *wlr_gamma_control_manager_create(
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		struct wl_display *display) {
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	struct wlr_gamma_control_manager *gamma_control_manager =
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		calloc(1, sizeof(struct wlr_gamma_control_manager));
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	if (!gamma_control_manager) {
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		return NULL;
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	}
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	struct wl_global *wl_global = wl_global_create(display,
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		&gamma_control_manager_interface, 1, gamma_control_manager, gamma_control_manager_bind);
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		&gamma_control_manager_interface, 1, gamma_control_manager,
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		gamma_control_manager_bind);
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	if (!wl_global) {
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		free(gamma_control_manager);
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		return NULL;
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	}
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	gamma_control_manager->wl_global = wl_global;
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	wl_list_init(&gamma_control_manager->controls);
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	return gamma_control_manager;
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}
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void wlr_gamma_control_manager_destroy(struct wlr_gamma_control_manager *gamma_control_manager) {
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void wlr_gamma_control_manager_destroy(
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		struct wlr_gamma_control_manager *gamma_control_manager) {
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	if (!gamma_control_manager) {
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		return;
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	}
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	struct wlr_gamma_control *gamma_control, *tmp;
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	wl_list_for_each_safe(gamma_control, tmp, &gamma_control_manager->controls,
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			link) {
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		gamma_control_destroy(gamma_control);
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	}
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	// TODO: this segfault (wl_display->registry_resource_list is not init)
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	// wl_global_destroy(gamma_control_manager->wl_global);
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	free(gamma_control_manager);
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			@ -404,13 +404,13 @@ void wlr_output_swap_buffers(struct wlr_output *output) {
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}
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void wlr_output_set_gamma(struct wlr_output *output,
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	uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
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	uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
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	if (output->impl->set_gamma) {
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		output->impl->set_gamma(output, size, r, g, b);
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	}
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}
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uint16_t wlr_output_get_gamma_size(struct wlr_output *output) {
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uint32_t wlr_output_get_gamma_size(struct wlr_output *output) {
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	if (!output->impl->get_gamma_size) {
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		return 0;
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	}
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