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#ifdef FF_HAVE_WAYLAND
#include "wayland.h"
#include "wlr-output-management-unstable-v1-client-protocol.h"
static void waylandZwlrTransformListener(void* data, FF_A_UNUSED struct zwlr_output_head_v1* zwlr_output_head_v1, int32_t transform) {
WaylandDisplay* wldata = (WaylandDisplay*) data;
wldata->transform = (enum wl_output_transform) transform;
}
static void waylandZwlrScaleListener(void* data, FF_A_UNUSED struct zwlr_output_head_v1* zwlr_output_head_v1, wl_fixed_t scale) {
WaylandDisplay* wldata = (WaylandDisplay*) data;
wldata->dpi = (uint32_t) scale * 3 / 8; // wl_fixed_to_double(scale) * 96;
}
typedef struct WaylandZwlrMode {
int32_t width;
int32_t height;
int32_t refreshRate;
bool preferred;
struct zwlr_output_mode_v1* pMode;
} WaylandZwlrMode;
static void waylandZwlrModeSizeListener(void* data, FF_A_UNUSED struct zwlr_output_mode_v1* zwlr_output_mode_v1, int32_t width, int32_t height) {
WaylandZwlrMode* mode = (WaylandZwlrMode*) data;
mode->width = width;
mode->height = height;
}
static void waylandZwlrModeRefreshListener(void* data, FF_A_UNUSED struct zwlr_output_mode_v1* zwlr_output_mode_v1, int32_t rate) {
WaylandZwlrMode* mode = (WaylandZwlrMode*) data;
mode->refreshRate = rate;
}
static void waylandZwlrModePreferredListener(void* data, FF_A_UNUSED struct zwlr_output_mode_v1* zwlr_output_mode_v1) {
WaylandZwlrMode* mode = (WaylandZwlrMode*) data;
mode->preferred = true;
}
static const struct zwlr_output_mode_v1_listener modeListener = {
.size = waylandZwlrModeSizeListener,
.refresh = waylandZwlrModeRefreshListener,
.preferred = waylandZwlrModePreferredListener,
.finished = (void*) stubListener,
};
static void waylandZwlrModeListener(void* data, FF_A_UNUSED struct zwlr_output_head_v1* zwlr_output_head_v1, struct zwlr_output_mode_v1* mode) {
WaylandDisplay* wldata = (WaylandDisplay*) data;
if (!wldata->internal) {
return;
}
WaylandZwlrMode* newMode = FF_LIST_ADD(WaylandZwlrMode, *(FFlist*) wldata->internal);
*newMode = (WaylandZwlrMode) { .pMode = mode };
// Strangely, the listener is called only in this function, but not in `waylandZwlrCurrentModeListener`
wldata->parent->ffwl_proxy_add_listener((struct wl_proxy*) mode, (void (**)(void)) &modeListener, newMode);
}
static void waylandZwlrCurrentModeListener(void* data, FF_A_UNUSED struct zwlr_output_head_v1* zwlr_output_head_v1, struct zwlr_output_mode_v1* mode) {
// waylandZwlrModeListener is always run before this
WaylandDisplay* wldata = (WaylandDisplay*) data;
if (!wldata->internal) {
return;
}
int set = 0;
FF_LIST_FOR_EACH (WaylandZwlrMode, m, *(FFlist*) wldata->internal) {
if (m->pMode == mode) {
wldata->width = m->width;
wldata->height = m->height;
wldata->refreshRate = m->refreshRate;
if (++set == 2) {
break;
}
}
if (m->preferred) {
wldata->preferredWidth = m->width;
wldata->preferredHeight = m->height;
wldata->preferredRefreshRate = m->refreshRate;
if (++set == 2) {
break;
}
}
}
}
static void waylandZwlrPhysicalSizeListener(void* data, FF_A_UNUSED struct zwlr_output_head_v1* zwlr_output_head_v1, int32_t width, int32_t height) {
WaylandDisplay* wldata = (WaylandDisplay*) data;
wldata->physicalWidth = width;
wldata->physicalHeight = height;
}
static void waylandZwlrEnabledListener(void* data, FF_A_UNUSED struct zwlr_output_head_v1* zwlr_output_head_v1, bool enabled) {
WaylandDisplay* wldata = (WaylandDisplay*) data;
if (!enabled) {
wldata->internal = NULL;
}
}
static const struct zwlr_output_head_v1_listener headListener = {
.name = (void*) ffWaylandOutputNameListener,
.description = (void*) ffWaylandOutputDescriptionListener,
.physical_size = waylandZwlrPhysicalSizeListener,
.mode = waylandZwlrModeListener,
.enabled = (void*) waylandZwlrEnabledListener,
.current_mode = waylandZwlrCurrentModeListener,
.position = (void*) stubListener,
.transform = waylandZwlrTransformListener,
.scale = waylandZwlrScaleListener,
.finished = (void*) stubListener,
.make = (void*) stubListener,
.model = (void*) stubListener,
.serial_number = (void*) stubListener,
.adaptive_sync = (void*) stubListener,
};
static void waylandHandleZwlrHead(void* data, FF_A_UNUSED struct zwlr_output_manager_v1* zwlr_output_manager_v1, struct zwlr_output_head_v1* head) {
WaylandData* wldata = data;
FF_LIST_AUTO_DESTROY modes = ffListCreate();
WaylandDisplay display = {
.parent = wldata,
.transform = WL_OUTPUT_TRANSFORM_NORMAL,
.type = FF_DISPLAY_TYPE_UNKNOWN,
.name = ffStrbufCreate(),
.description = ffStrbufCreate(),
.edidName = ffStrbufCreate(),
.internal = &modes,
};
wldata->ffwl_proxy_add_listener((struct wl_proxy*) head, (void (**)(void)) &headListener, &display);
wldata->ffwl_display_roundtrip(wldata->display);
if (display.width <= 0 || display.height <= 0 || !display.internal) {
return;
}
uint32_t rotation = ffWaylandHandleRotation(&display);
FFDisplayResult* item = ffdsAppendDisplay(wldata->result,
(uint32_t) display.width,
(uint32_t) display.height,
display.refreshRate / 1000.0,
(uint32_t) display.dpi,
(uint32_t) display.preferredWidth,
(uint32_t) display.preferredHeight,
display.preferredRefreshRate / 1000.0,
rotation,
display.edidName.length
? &display.edidName
: display.description.length && !ffStrbufContain(&display.description, &display.name)
? &display.description
: &display.name,
display.type,
false,
display.id,
(uint32_t) display.physicalWidth,
(uint32_t) display.physicalHeight,
"wayland-zwlr");
if (item) {
if (display.hdrSupported) {
item->hdrStatus = FF_DISPLAY_HDR_STATUS_SUPPORTED;
} else if (display.hdrInfoAvailable) {
item->hdrStatus = FF_DISPLAY_HDR_STATUS_UNSUPPORTED;
} else {
item->hdrStatus = FF_DISPLAY_HDR_STATUS_UNKNOWN;
}
item->manufactureYear = display.myear;
item->manufactureWeek = display.mweek;
item->serial = display.serial;
}
ffStrbufDestroy(&display.description);
ffStrbufDestroy(&display.name);
ffStrbufDestroy(&display.edidName);
// These must be released manually
FF_LIST_FOR_EACH (WaylandZwlrMode, m, modes) {
wldata->ffwl_proxy_destroy((void*) m->pMode);
}
wldata->ffwl_proxy_destroy((void*) head);
}
static const struct zwlr_output_manager_v1_listener outputListener = {
.head = waylandHandleZwlrHead,
.done = (void*) stubListener,
.finished = (void*) stubListener,
};
const char* ffWaylandHandleZwlrOutput(WaylandData* wldata, struct wl_registry* registry, uint32_t name, uint32_t version) {
uint32_t bindVersion = min(version, ZWLR_OUTPUT_MANAGER_V1_HEAD_SINCE_VERSION);
struct wl_proxy* output = wldata->ffwl_proxy_marshal_constructor_versioned((struct wl_proxy*) registry, WL_REGISTRY_BIND, &zwlr_output_manager_v1_interface, bindVersion, name, zwlr_output_manager_v1_interface.name, bindVersion, NULL);
if (output == NULL) {
return "Failed to bind zwlr_output_manager_v1";
}
if (wldata->ffwl_proxy_add_listener(output, (void (**)(void)) &outputListener, wldata) < 0) {
wldata->ffwl_proxy_destroy(output);
return "Failed to add listener to zwlr_output_manager_v1";
}
if (wldata->ffwl_display_roundtrip(wldata->display) < 0) {
wldata->ffwl_proxy_destroy(output);
return "Failed to roundtrip display";
}
wldata->ffwl_proxy_destroy(output);
return NULL;
}
#endif
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