Drew DeVault
7 years ago
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GitHub
commit
c59ccbde51
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#ifndef _WLR_GAMMA_CONTROL_H
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#define _WLR_GAMMA_CONTROL_H
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#include <wayland-server.h>
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struct wlr_gamma_control_manager {
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struct wl_global *wl_global;
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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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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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#endif
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@ -0,0 +1,57 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="gamma_control">
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<copyright>
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Copyright © 2015 Giulio camuffo
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that copyright notice and this permission
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notice appear in supporting documentation, and that the name of
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the copyright holders not be used in advertising or publicity
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pertaining to distribution of the software without specific,
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written prior permission. The copyright holders make no
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representations about the suitability of this software for any
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purpose. It is provided "as is" without express or implied
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warranty.
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THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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</copyright>
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<interface name="gamma_control_manager" version="1">
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<request name="destroy" type="destructor"/>
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<request name="get_gamma_control">
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<arg name="id" type="new_id" interface="gamma_control"/>
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<arg name="output" type="object" interface="wl_output"/>
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</request>
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</interface>
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<interface name="gamma_control" version="1">
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<enum name="error">
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<entry name="invalid_gamma" value="0"/>
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</enum>
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<request name="destroy" type="destructor"/>
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<request name="set_gamma">
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<arg name="red" type="array"/>
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<arg name="green" type="array"/>
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<arg name="blue" type="array"/>
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</request>
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<request name="reset_gamma"/>
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<event name="gamma_size">
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<arg name="size" type="uint"/>
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</event>
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</interface>
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</protocol>
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@ -0,0 +1,106 @@
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#include <assert.h>
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#include <stdlib.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_gamma_control.h>
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#include <wlr/types/wlr_output.h>
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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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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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free(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_array *green, struct wl_array *blue) {
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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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"The gamma ramps don't have the same size");
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return;
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}
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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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}
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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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// TODO
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}
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static const struct gamma_control_interface gamma_control_implementation = {
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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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return;
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}
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gamma_control->output = _output;
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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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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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}
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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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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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if (version > 1) {
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wlr_log(L_ERROR, "Client requested unsupported gamma_control version, disconnecting");
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wl_client_destroy(wl_client);
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return;
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}
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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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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 *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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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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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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if (!gamma_control_manager) {
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return;
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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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}
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