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xserver/hw/xwayland/xwayland-output.c

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/*
* Copyright © 2011-2014 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of the
* copyright holders not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <xwayland-config.h>
#include <math.h>
#include <X11/Xatom.h>
#include "randrstr_priv.h"
#include "xwayland-cvt.h"
#include "xwayland-output.h"
#include "xwayland-screen.h"
#include "xwayland-window.h"
#include "xdg-output-unstable-v1-client-protocol.h"
#define MAX_OUTPUT_NAME 256
static void xwl_output_get_xdg_output(struct xwl_output *xwl_output);
static Rotation
wl_transform_to_xrandr(enum wl_output_transform transform)
{
switch (transform) {
default:
case WL_OUTPUT_TRANSFORM_NORMAL:
return RR_Rotate_0;
case WL_OUTPUT_TRANSFORM_90:
return RR_Rotate_90;
case WL_OUTPUT_TRANSFORM_180:
return RR_Rotate_180;
case WL_OUTPUT_TRANSFORM_270:
return RR_Rotate_270;
case WL_OUTPUT_TRANSFORM_FLIPPED:
return RR_Reflect_X | RR_Rotate_0;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
return RR_Reflect_X | RR_Rotate_90;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
return RR_Reflect_X | RR_Rotate_180;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
return RR_Reflect_X | RR_Rotate_270;
}
}
static int
wl_subpixel_to_xrandr(int subpixel)
{
switch (subpixel) {
default:
case WL_OUTPUT_SUBPIXEL_UNKNOWN:
return SubPixelUnknown;
case WL_OUTPUT_SUBPIXEL_NONE:
return SubPixelNone;
case WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB:
return SubPixelHorizontalRGB;
case WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR:
return SubPixelHorizontalBGR;
case WL_OUTPUT_SUBPIXEL_VERTICAL_RGB:
return SubPixelVerticalRGB;
case WL_OUTPUT_SUBPIXEL_VERTICAL_BGR:
return SubPixelVerticalBGR;
}
}
static void
output_handle_geometry(void *data, struct wl_output *wl_output, int x, int y,
int physical_width, int physical_height, int subpixel,
const char *make, const char *model, int transform)
{
struct xwl_output *xwl_output = data;
if (xwl_output->randr_output) {
RROutputSetPhysicalSize(xwl_output->randr_output,
physical_width, physical_height);
RROutputSetSubpixelOrder(xwl_output->randr_output,
wl_subpixel_to_xrandr(subpixel));
}
/* Apply the change from wl_output only if xdg-output is not supported */
if (!xwl_output->xdg_output) {
xwl_output->x = x;
xwl_output->y = y;
}
xwl_output->rotation = wl_transform_to_xrandr(transform);
}
static void
output_handle_mode(void *data, struct wl_output *wl_output, uint32_t flags,
int width, int height, int refresh)
{
struct xwl_output *xwl_output = data;
if (!(flags & WL_OUTPUT_MODE_CURRENT))
return;
/* Apply the change from wl_output only if xdg-output is not supported */
if (!xwl_output->xdg_output) {
xwl_output->width = width;
xwl_output->height = height;
}
xwl_output->refresh = refresh;
}
/**
* Decides on the maximum expanse of an output in logical space (i.e. in the
* Wayland compositor plane) respective to some fix width and height values. The
* function sets the provided values to these maxima on return.
*/
static inline void
output_get_new_size(struct xwl_output *xwl_output, int *width, int *height)
{
int output_width, output_height;
/* When we have xdg-output support the stored size is already rotated. */
if (xwl_output->xdg_output
|| (xwl_output->rotation & (RR_Rotate_0 | RR_Rotate_180))) {
output_width = xwl_output->width;
output_height = xwl_output->height;
} else {
output_width = xwl_output->height;
output_height = xwl_output->width;
}
if (*width < xwl_output->x + output_width)
*width = xwl_output->x + output_width;
if (*height < xwl_output->y + output_height)
*height = xwl_output->y + output_height;
}
static int
xwl_set_pixmap_visit_window(WindowPtr window, void *data)
{
ScreenPtr screen = window->drawable.pScreen;
if (screen->GetWindowPixmap(window) == data) {
screen->SetWindowPixmap(window, screen->GetScreenPixmap(screen));
return WT_WALKCHILDREN;
}
return WT_DONTWALKCHILDREN;
}
static void
update_backing_pixmaps(struct xwl_screen *xwl_screen, int width, int height)
{
ScreenPtr pScreen = xwl_screen->screen;
WindowPtr pRoot = pScreen->root;
PixmapPtr old_pixmap, new_pixmap;
old_pixmap = pScreen->GetScreenPixmap(pScreen);
new_pixmap = pScreen->CreatePixmap(pScreen, width, height,
pScreen->rootDepth,
CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
pScreen->SetScreenPixmap(new_pixmap);
if (old_pixmap) {
TraverseTree(pRoot, xwl_set_pixmap_visit_window, old_pixmap);
pScreen->DestroyPixmap(old_pixmap);
}
pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL);
}
static void
update_screen_size(struct xwl_screen *xwl_screen, int width, int height)
{
if (xwl_screen_get_width(xwl_screen) != width)
xwl_screen->width = width;
if (xwl_screen_get_height(xwl_screen) != height)
xwl_screen->height = height;
if (xwl_screen->root_clip_mode == ROOT_CLIP_FULL)
SetRootClip(xwl_screen->screen, ROOT_CLIP_NONE);
if (!xwl_screen->rootless && xwl_screen->screen->root)
update_backing_pixmaps (xwl_screen, width, height);
xwl_screen->screen->width = width;
xwl_screen->screen->height = height;
xwl_screen->screen->mmWidth = (width * 25.4) / monitorResolution;
xwl_screen->screen->mmHeight = (height * 25.4) / monitorResolution;
SetRootClip(xwl_screen->screen, xwl_screen->root_clip_mode);
if (xwl_screen->screen->root) {
BoxRec box = { 0, 0, width, height };
xwl_screen->screen->root->drawable.width = width;
xwl_screen->screen->root->drawable.height = height;
RegionReset(&xwl_screen->screen->root->winSize, &box);
RRScreenSizeNotify(xwl_screen->screen);
}
update_desktop_dimensions();
RRTellChanged(xwl_screen->screen);
}
struct xwl_emulated_mode *
xwl_output_get_emulated_mode_for_client(struct xwl_output *xwl_output,
ClientPtr client)
{
struct xwl_client *xwl_client = xwl_client_get(client);
int i;
if (!xwl_output)
return NULL;
/* We don't do XRandr emulation when rootful or a fake lease display */
if (!xwl_output->xwl_screen->rootless || !xwl_output->output)
return NULL;
for (i = 0; i < XWL_CLIENT_MAX_EMULATED_MODES; i++) {
if (xwl_client->emulated_modes[i].server_output_id ==
xwl_output->server_output_id)
return &xwl_client->emulated_modes[i];
}
return NULL;
}
static void
xwl_output_add_emulated_mode_for_client(struct xwl_output *xwl_output,
ClientPtr client,
RRModePtr mode,
Bool from_vidmode)
{
struct xwl_client *xwl_client = xwl_client_get(client);
struct xwl_emulated_mode *emulated_mode;
int i;
emulated_mode = xwl_output_get_emulated_mode_for_client(xwl_output, client);
if (!emulated_mode) {
/* Find a free spot in the emulated modes array */
for (i = 0; i < XWL_CLIENT_MAX_EMULATED_MODES; i++) {
if (xwl_client->emulated_modes[i].server_output_id == 0) {
emulated_mode = &xwl_client->emulated_modes[i];
break;
}
}
}
if (!emulated_mode) {
static Bool warned;
if (!warned) {
ErrorF("Ran out of space for emulated-modes, not adding mode");
warned = TRUE;
}
return;
}
emulated_mode->server_output_id = xwl_output->server_output_id;
emulated_mode->width = mode->mode.width;
emulated_mode->height = mode->mode.height;
emulated_mode->id = mode->mode.id;
emulated_mode->from_vidmode = from_vidmode;
}
static void
xwl_output_remove_emulated_mode_for_client(struct xwl_output *xwl_output,
ClientPtr client)
{
struct xwl_emulated_mode *emulated_mode;
emulated_mode = xwl_output_get_emulated_mode_for_client(xwl_output, client);
if (emulated_mode) {
DebugF("XWAYLAND: xwl_output_remove_emulated_mode: %dx%d\n",
emulated_mode->width, emulated_mode->height);
memset(emulated_mode, 0, sizeof(*emulated_mode));
}
}
/* From hw/xfree86/common/xf86DefModeSet.c with some obscure modes dropped */
const int32_t xwl_output_fake_modes[][2] = {
/* 4:3 (1.33) */
{ 2048, 1536 },
{ 1920, 1440 },
{ 1600, 1200 },
{ 1440, 1080 },
{ 1400, 1050 },
{ 1280, 1024 }, /* 5:4 (1.25) */
{ 1280, 960 },
{ 1152, 864 },
{ 1024, 768 },
{ 800, 600 },
{ 640, 480 },
{ 320, 240 },
/* 16:10 (1.6) */
{ 2560, 1600 },
{ 1920, 1200 },
{ 1680, 1050 },
{ 1440, 900 },
{ 1280, 800 },
{ 1152, 720 },
{ 960, 600 },
{ 928, 580 },
{ 800, 500 },
{ 768, 480 },
{ 720, 480 }, /* 3:2 (1.5) */
{ 640, 400 },
{ 320, 200 },
/* 16:9 (1.77) */
{ 5120, 2880 },
{ 4096, 2304 },
{ 3840, 2160 },
{ 3200, 1800 },
{ 2880, 1620 },
{ 2560, 1440 },
{ 2048, 1152 },
{ 1920, 1080 },
{ 1600, 900 },
{ 1368, 768 },
{ 1280, 720 },
{ 1024, 576 },
{ 864, 486 },
{ 720, 400 },
{ 640, 350 },
};
/* Build an array with RRModes the first mode is the actual output mode, the
* rest are fake modes from the xwl_output_fake_modes list. We do this for apps
* which want to change resolution when they go fullscreen.
* When an app requests a mode-change, we fake it using WPviewport.
*/
static RRModePtr *
output_get_rr_modes(struct xwl_output *xwl_output,
int32_t width, int32_t height,
int *count)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
RRModePtr *rr_modes;
int i;
rr_modes = xallocarray(ARRAY_SIZE(xwl_output_fake_modes) + 1, sizeof(RRModePtr));
if (!rr_modes)
goto err;
/* Add actual output mode */
rr_modes[0] = xwayland_cvt(width, height, xwl_output->refresh / 1000.0, 0, 0);
if (!rr_modes[0])
goto err;
*count = 1;
if (!xwl_screen_has_resolution_change_emulation(xwl_screen) && !xwl_screen->force_xrandr_emulation)
return rr_modes;
/* Add fake modes */
for (i = 0; i < ARRAY_SIZE(xwl_output_fake_modes); i++) {
/* Skip actual output mode, already added */
if (xwl_output_fake_modes[i][0] == width &&
xwl_output_fake_modes[i][1] == height)
continue;
/* Skip modes which are too big, avoid downscaling */
if (xwl_output_fake_modes[i][0] > width ||
xwl_output_fake_modes[i][1] > height)
continue;
rr_modes[*count] = xwayland_cvt(xwl_output_fake_modes[i][0],
xwl_output_fake_modes[i][1],
xwl_output->refresh / 1000.0, 0, 0);
if (!rr_modes[*count])
goto err;
(*count)++;
}
return rr_modes;
err:
FatalError("Failed to allocate memory for list of RR modes");
}
RRModePtr
xwl_output_find_mode(struct xwl_output *xwl_output,
int32_t width, int32_t height)
{
RROutputPtr output = xwl_output->randr_output;
int i;
/* width & height -1 means we want the actual output mode, which is idx 0 */
if (width == -1 && height == -1 && output->modes)
return output->modes[0];
for (i = 0; i < output->numModes; i++) {
if (output->modes[i]->mode.width == width && output->modes[i]->mode.height == height)
return output->modes[i];
}
ErrorF("XWAYLAND: mode %dx%d is not available\n", width, height);
return NULL;
}
struct xwl_output_randr_emu_prop {
Atom atom;
uint32_t rects[XWL_CLIENT_MAX_EMULATED_MODES][4];
int rect_count;
};
static void
xwl_output_randr_emu_prop(struct xwl_screen *xwl_screen, ClientPtr client,
struct xwl_output_randr_emu_prop *prop)
{
static const char atom_name[] = "_XWAYLAND_RANDR_EMU_MONITOR_RECTS";
struct xwl_emulated_mode *emulated_mode;
struct xwl_output *xwl_output;
int index = 0;
prop->atom = MakeAtom(atom_name, strlen(atom_name), TRUE);
xorg_list_for_each_entry(xwl_output, &xwl_screen->output_list, link) {
emulated_mode = xwl_output_get_emulated_mode_for_client(xwl_output, client);
if (!emulated_mode)
continue;
prop->rects[index][0] = xwl_output->x;
prop->rects[index][1] = xwl_output->y;
prop->rects[index][2] = emulated_mode->width;
prop->rects[index][3] = emulated_mode->height;
index++;
}
prop->rect_count = index;
}
static void
xwl_output_set_randr_emu_prop(WindowPtr window,
struct xwl_output_randr_emu_prop *prop)
{
if (prop->rect_count) {
dixChangeWindowProperty(serverClient, window, prop->atom,
XA_CARDINAL, 32, PropModeReplace,
prop->rect_count * 4, prop->rects, TRUE);
} else {
DeleteProperty(serverClient, window, prop->atom);
}
}
static void
xwl_output_set_randr_emu_prop_callback(void *resource, XID id, void *user_data)
{
if (xwl_window_is_toplevel(resource))
xwl_output_set_randr_emu_prop(resource, user_data);
}
static void
xwl_output_set_randr_emu_props(struct xwl_screen *xwl_screen, ClientPtr client)
{
struct xwl_output_randr_emu_prop prop = {};
xwl_output_randr_emu_prop(xwl_screen, client, &prop);
FindClientResourcesByType(client, RT_WINDOW,
xwl_output_set_randr_emu_prop_callback, &prop);
}
static inline void
xwl_output_get_emulated_root_size(struct xwl_output *xwl_output,
ClientPtr client,
int *width,
int *height)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
struct xwl_emulated_mode *emulated_mode;
emulated_mode = xwl_output_get_emulated_mode_for_client(xwl_output, client);
/* If not an emulated mode, just return the actual screen size */
if (!emulated_mode) {
*width = xwl_screen_get_width(xwl_screen);
*height = xwl_screen_get_height(xwl_screen);
return;
}
if (xwl_output->rotation & (RR_Rotate_0 | RR_Rotate_180)) {
*width = emulated_mode->width;
*height = emulated_mode->height;
} else {
*width = emulated_mode->height;
*height = emulated_mode->width;
}
}
static int
xwl_output_get_rr_event_mask(WindowPtr pWin, ClientPtr client)
{
RREventPtr pRREvent, *pHead;
dixLookupResourceByType((void **) &pHead, pWin->drawable.id,
RREventType, client, DixReadAccess);
pRREvent = NULL;
if (pHead) {
for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
if (pRREvent->client == client)
break;
}
if (pRREvent)
return pRREvent->mask;
return 0;
}
static void
xwl_output_notify_emulated_root_size(struct xwl_output *xwl_output,
ClientPtr client,
int new_emulated_root_width,
int new_emulated_root_height)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
ScreenPtr pScreen = xwl_screen->screen;
WindowPtr pRoot = pScreen->root;
xEvent event = {
.u.configureNotify.event = pRoot->drawable.id,
.u.configureNotify.window = pRoot->drawable.id,
.u.configureNotify.aboveSibling = None,
.u.configureNotify.x = 0,
.u.configureNotify.y = 0,
.u.configureNotify.width = new_emulated_root_width,
.u.configureNotify.height = new_emulated_root_height,
.u.configureNotify.borderWidth = pRoot->borderWidth,
.u.configureNotify.override = pRoot->overrideRedirect
};
event.u.u.type = ConfigureNotify;
if (!client || client == serverClient || client->clientGone)
return;
if (EventMaskForClient(pRoot, client) & StructureNotifyMask)
WriteEventsToClient(client, 1, &event);
if (xwl_output_get_rr_event_mask(pRoot, client) & RRScreenChangeNotifyMask)
RRDeliverScreenEvent(client, pRoot, pScreen);
}
void
xwl_output_set_window_randr_emu_props(struct xwl_screen *xwl_screen,
WindowPtr window)
{
struct xwl_output_randr_emu_prop prop = {};
xwl_output_randr_emu_prop(xwl_screen, wClient(window), &prop);
xwl_output_set_randr_emu_prop(window, &prop);
}
void
xwl_output_set_emulated_mode(struct xwl_output *xwl_output, ClientPtr client,
RRModePtr mode, Bool from_vidmode)
{
int old_emulated_width, old_emulated_height;
int new_emulated_width, new_emulated_height;
DebugF("XWAYLAND: xwl_output_set_emulated_mode from %s: %dx%d\n",
from_vidmode ? "vidmode" : "randr",
mode->mode.width, mode->mode.height);
xwl_output_get_emulated_root_size(xwl_output, client,
&old_emulated_width, &old_emulated_height);
/* modes[0] is the actual (not-emulated) output mode */
if (mode == xwl_output->randr_output->modes[0])
xwl_output_remove_emulated_mode_for_client(xwl_output, client);
else
xwl_output_add_emulated_mode_for_client(xwl_output, client, mode, from_vidmode);
xwl_screen_check_resolution_change_emulation(xwl_output->xwl_screen);
xwl_output_set_randr_emu_props(xwl_output->xwl_screen, client);
xwl_output_get_emulated_root_size(xwl_output, client,
&new_emulated_width, &new_emulated_height);
if (new_emulated_width != old_emulated_width ||
new_emulated_height != old_emulated_height)
xwl_output_notify_emulated_root_size(xwl_output, client,
new_emulated_width,
new_emulated_height);
}
static void
maybe_update_fullscreen_state(struct xwl_output *xwl_output)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
struct xwl_window *xwl_window;
if (xwl_screen->fullscreen) {
/* The root window may not yet be created */
if (xwl_screen->screen->root) {
xwl_window = xwl_window_get(xwl_screen->screen->root);
xwl_window_rootful_update_fullscreen(xwl_window, xwl_output);
}
}
}
static void
apply_output_change(struct xwl_output *xwl_output)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
struct xwl_output *it;
int mode_width, mode_height, count;
int width = 0, height = 0, has_this_output = 0;
RRModePtr *randr_modes;
/* Clear out the "done" received flags */
xwl_output->wl_output_done = FALSE;
xwl_output->xdg_output_done = FALSE;
/* When we have received an xdg-output for the mode size we might need to
* rotate back the stored logical size it provided.
*/
if (xwl_output->xdg_output == NULL
|| xwl_output->rotation & (RR_Rotate_0 | RR_Rotate_180)) {
mode_width = xwl_output->width;
mode_height = xwl_output->height;
} else {
mode_width = xwl_output->height;
mode_height = xwl_output->width;
}
if (xwl_output->randr_output) {
/* Build a fresh modes array using the current refresh rate */
randr_modes = output_get_rr_modes(xwl_output, mode_width, mode_height, &count);
RROutputSetModes(xwl_output->randr_output, randr_modes, count, 1);
RRCrtcNotify(xwl_output->randr_crtc, randr_modes[0],
xwl_output->x, xwl_output->y,
xwl_output->rotation, NULL, 1, &xwl_output->randr_output);
/* RROutputSetModes takes ownership of the passed in modes, so we only
* have to free the pointer array.
*/
free(randr_modes);
}
xorg_list_for_each_entry(it, &xwl_screen->output_list, link) {
/* output done event is sent even when some property
* of output is changed. That means that we may already
* have this output. If it is true, we must not add it
* into the output_list otherwise we'll corrupt it */
if (it == xwl_output)
has_this_output = 1;
output_get_new_size(it, &width, &height);
}
if (!has_this_output) {
xorg_list_append(&xwl_output->link, &xwl_screen->output_list);
/* we did not check this output for new screen size, do it now */
output_get_new_size(xwl_output, &width, &height);
--xwl_screen->expecting_event;
}
if (xwl_screen->fixed_output == NULL)
update_screen_size(xwl_screen, width, height);
else
RRTellChanged(xwl_screen->screen);
/* If running rootful and fullscreen, make sure to match the new setup */
maybe_update_fullscreen_state(xwl_output);
}
static void
xwl_output_set_name(struct xwl_output *xwl_output, const char *name)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
if (xwl_output->randr_output == NULL)
return; /* rootful */
/* Check whether the compositor is sending us something useful */
if (!name || !strlen(name)) {
ErrorF("Not using the provided output name, invalid");
return;
}
snprintf(xwl_output->randr_output->name, MAX_OUTPUT_NAME, "%s", name);
xwl_output->randr_output->nameLength = strlen(xwl_output->randr_output->name);
if (xwl_screen->output_name && strcmp(name, xwl_screen->output_name) == 0)
maybe_update_fullscreen_state(xwl_output);
}
static void
output_handle_done(void *data, struct wl_output *wl_output)
{
struct xwl_output *xwl_output = data;
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
xwl_output->wl_output_done = TRUE;
if (xwl_screen->fixed_output)
return;
/* Apply the changes from wl_output only if both "done" events are received,
* if xdg-output is not supported or if xdg-output version is high enough.
*/
if (xwl_output->xdg_output_done || !xwl_output->xdg_output ||
zxdg_output_v1_get_version(xwl_output->xdg_output) >= 3)
apply_output_change(xwl_output);
}
static void
output_handle_scale(void *data, struct wl_output *wl_output, int32_t factor)
{
}
static void
output_handle_name(void *data, struct wl_output *wl_output,
const char *name)
{
struct xwl_output *xwl_output = data;
xwl_output_set_name(xwl_output, name);
}
static void
output_handle_description(void *data, struct wl_output *wl_output,
const char *description)
{
}
static const struct wl_output_listener output_listener = {
output_handle_geometry,
output_handle_mode,
output_handle_done,
output_handle_scale,
output_handle_name,
output_handle_description,
};
static void
xdg_output_handle_logical_position(void *data, struct zxdg_output_v1 *xdg_output,
int32_t x, int32_t y)
{
struct xwl_output *xwl_output = data;
xwl_output->x = x;
xwl_output->y = y;
}
static void
xdg_output_handle_logical_size(void *data, struct zxdg_output_v1 *xdg_output,
int32_t width, int32_t height)
{
struct xwl_output *xwl_output = data;
xwl_output->width = width;
xwl_output->height = height;
}
static void
xdg_output_handle_done(void *data, struct zxdg_output_v1 *xdg_output)
{
struct xwl_output *xwl_output = data;
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
xwl_output->xdg_output_done = TRUE;
if (xwl_screen->fixed_output)
return;
if (xwl_output->wl_output_done &&
zxdg_output_v1_get_version(xdg_output) < 3)
apply_output_change(xwl_output);
}
static void
xdg_output_handle_name(void *data, struct zxdg_output_v1 *xdg_output,
const char *name)
{
struct xwl_output *xwl_output = data;
if (wl_output_get_version(xwl_output->output) >= 4)
return; /* wl_output.name is preferred */
xwl_output_set_name(xwl_output, name);
}
static void
xdg_output_handle_description(void *data, struct zxdg_output_v1 *xdg_output,
const char *description)
{
}
static const struct zxdg_output_v1_listener xdg_output_listener = {
xdg_output_handle_logical_position,
xdg_output_handle_logical_size,
xdg_output_handle_done,
xdg_output_handle_name,
xdg_output_handle_description,
};
#define XRANDR_EMULATION_PROP "RANDR Emulation"
static Atom
get_rand_emulation_property(void)
{
const char *emulStr = XRANDR_EMULATION_PROP;
return MakeAtom(emulStr, strlen(emulStr), TRUE);
}
static void
xwl_output_set_emulated(struct xwl_output *xwl_output)
{
int32_t val = TRUE;
RRChangeOutputProperty(xwl_output->randr_output,
get_rand_emulation_property(),
XA_INTEGER,
32, PropModeReplace, 1,
&val, FALSE, FALSE);
}
struct xwl_output*
xwl_output_from_wl_output(struct xwl_screen *xwl_screen,
struct wl_output* wl_output)
{
struct xwl_output *xwl_output;
xorg_list_for_each_entry(xwl_output, &xwl_screen->output_list, link) {
if (xwl_output->output == wl_output)
return xwl_output;
}
return NULL;
}
struct xwl_output *
xwl_output_get_output_from_name(struct xwl_screen *xwl_screen, const char *name)
{
struct xwl_output *xwl_output;
if (name == NULL)
return NULL;
xorg_list_for_each_entry(xwl_output, &xwl_screen->output_list, link) {
if (xwl_output->randr_output == NULL)
continue;
if (strcmp(xwl_output->randr_output->name, name) == 0) {
return xwl_output;
}
}
return NULL;
}
struct xwl_output *
xwl_output_create(struct xwl_screen *xwl_screen, uint32_t id,
Bool connected, uint32_t version)
{
struct xwl_output *xwl_output;
char name[MAX_OUTPUT_NAME] = { 0 };
xwl_output = calloc(1, sizeof *xwl_output);
if (xwl_output == NULL) {
ErrorF("%s ENOMEM\n", __func__);
return NULL;
}
xwl_output->output = wl_registry_bind(xwl_screen->registry, id,
&wl_output_interface, min(version, 4));
if (!xwl_output->output) {
ErrorF("Failed binding wl_output\n");
goto err;
}
xwl_output->server_output_id = id;
wl_output_add_listener(xwl_output->output, &output_listener, xwl_output);
xwl_output->xscale = 1.0;
xwl_output->xwl_screen = xwl_screen;
xwl_output->randr_crtc = RRCrtcCreate(xwl_screen->screen, xwl_output);
if (!xwl_output->randr_crtc) {
ErrorF("Failed creating RandR CRTC\n");
goto err;
}
RRCrtcSetRotations (xwl_output->randr_crtc, ALL_ROTATIONS);
/* Allocate MAX_OUTPUT_NAME data for the output name, all filled with zeros */
xwl_output->randr_output = RROutputCreate(xwl_screen->screen, name,
MAX_OUTPUT_NAME, xwl_output);
if (!xwl_output->randr_output) {
ErrorF("Failed creating RandR Output\n");
goto err;
}
/* Set the default output name to a sensible value */
snprintf(name, MAX_OUTPUT_NAME, "XWAYLAND%d",
xwl_screen_get_next_output_serial(xwl_screen));
xwl_output_set_name(xwl_output, name);
xwl_output_set_emulated(xwl_output);
RRCrtcGammaSetSize(xwl_output->randr_crtc, 256);
RROutputSetCrtcs(xwl_output->randr_output, &xwl_output->randr_crtc, 1);
RROutputSetConnection(xwl_output->randr_output,
connected ? RR_Connected : RR_Disconnected);
/* We want the output to be in the list as soon as created so we can
* use it when binding to the xdg-output protocol...
*/
xorg_list_append(&xwl_output->link, &xwl_screen->output_list);
--xwl_screen->expecting_event;
if (xwl_screen->xdg_output_manager)
xwl_output_get_xdg_output(xwl_output);
return xwl_output;
err:
if (xwl_output->randr_crtc)
RRCrtcDestroy(xwl_output->randr_crtc);
if (xwl_output->output)
wl_output_destroy(xwl_output->output);
free(xwl_output);
return NULL;
}
void
xwl_output_destroy(struct xwl_output *xwl_output)
{
if (xwl_output->lease_connector)
wp_drm_lease_connector_v1_destroy(xwl_output->lease_connector);
if (xwl_output->transform)
free(xwl_output->transform);
if (xwl_output->xdg_output)
zxdg_output_v1_destroy(xwl_output->xdg_output);
if (xwl_output->output)
wl_output_destroy(xwl_output->output);
free(xwl_output);
}
void
xwl_output_remove(struct xwl_output *xwl_output)
{
struct xwl_output *it;
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
int width = 0, height = 0;
xorg_list_del(&xwl_output->link);
if (xwl_output->randr_output)
RROutputSetConnection(xwl_output->randr_output, RR_Disconnected);
if (xwl_screen->fixed_output == NULL) {
xorg_list_for_each_entry(it, &xwl_screen->output_list, link)
output_get_new_size(it, &width, &height);
update_screen_size(xwl_screen, width, height);
}
if (xwl_output->randr_crtc)
RRCrtcDestroy(xwl_output->randr_crtc);
if (xwl_output->randr_output) {
RROutputDestroy(xwl_output->randr_output);
RRTellChanged(xwl_screen->screen);
}
xwl_output_destroy(xwl_output);
}
static Bool
xwl_randr_get_info(ScreenPtr pScreen, Rotation * rotations)
{
*rotations = ALL_ROTATIONS;
return TRUE;
}
#ifdef RANDR_10_INTERFACE
static Bool
xwl_randr_set_config(ScreenPtr pScreen,
Rotation rotation, int rate, RRScreenSizePtr pSize)
{
return FALSE;
}
#endif
#if RANDR_12_INTERFACE
static Bool
xwl_randr_screen_set_size(ScreenPtr pScreen,
CARD16 width,
CARD16 height,
CARD32 mmWidth, CARD32 mmHeight)
{
return TRUE;
}
static Bool
xwl_randr_crtc_set(ScreenPtr pScreen,
RRCrtcPtr crtc,
RRModePtr new_mode,
int x,
int y,
Rotation rotation,
int numOutputs, RROutputPtr * outputs)
{
struct xwl_output *xwl_output = crtc->devPrivate;
RRModePtr mode;
if (new_mode) {
mode = xwl_output_find_mode(xwl_output,
new_mode->mode.width,
new_mode->mode.height);
} else {
mode = xwl_output_find_mode(xwl_output, -1, -1);
}
if (!mode)
return FALSE;
xwl_output_set_emulated_mode(xwl_output, GetCurrentClient(), mode, FALSE);
/* A real randr implementation would call:
* RRCrtcNotify(xwl_output->randr_crtc, mode, xwl_output->x, xwl_output->y,
* xwl_output->rotation, NULL, 1, &xwl_output->randr_output);
* here to update the mode reported to clients querying the randr settings
* but that influences *all* clients and we do randr mode change emulation
* on a per client basis. So we just return success here.
*/
return TRUE;
}
static void
xwl_randr_crtc_get(ScreenPtr pScreen,
RRCrtcPtr crtc,
xRRGetCrtcInfoReply *rep)
{
struct xwl_output *xwl_output = crtc->devPrivate;
struct xwl_emulated_mode *mode = xwl_output_get_emulated_mode_for_client(
xwl_output, GetCurrentClient());
if (mode)
rep->mode = mode->id;
}
static Bool
xwl_randr_crtc_set_gamma(ScreenPtr pScreen, RRCrtcPtr crtc)
{
return TRUE;
}
static Bool
xwl_randr_crtc_get_gamma(ScreenPtr pScreen, RRCrtcPtr crtc)
{
return TRUE;
}
static Bool
xwl_randr_output_set_property(ScreenPtr pScreen,
RROutputPtr output,
Atom property,
RRPropertyValuePtr value)
{
/* RANDR Emulation property is read-only. */
if (get_rand_emulation_property() == property)
return FALSE;
return TRUE;
}
static Bool
xwl_output_validate_mode(ScreenPtr pScreen,
RROutputPtr output,
RRModePtr mode)
{
return TRUE;
}
static void
xwl_randr_mode_destroy(ScreenPtr pScreen, RRModePtr mode)
{
return;
}
#endif
Bool
xwl_screen_init_output(struct xwl_screen *xwl_screen)
{
rrScrPrivPtr rp;
if (!RRScreenInit(xwl_screen->screen))
return FALSE;
RRScreenSetSizeRange(xwl_screen->screen, 16, 16, 32767, 32767);
rp = rrGetScrPriv(xwl_screen->screen);
rp->rrGetInfo = xwl_randr_get_info;
#if RANDR_10_INTERFACE
rp->rrSetConfig = xwl_randr_set_config;
#endif
#if RANDR_12_INTERFACE
rp->rrScreenSetSize = xwl_randr_screen_set_size;
rp->rrCrtcSet = xwl_randr_crtc_set;
rp->rrCrtcGet = xwl_randr_crtc_get;
rp->rrCrtcSetGamma = xwl_randr_crtc_set_gamma;
rp->rrCrtcGetGamma = xwl_randr_crtc_get_gamma;
rp->rrOutputSetProperty = xwl_randr_output_set_property;
rp->rrOutputValidateMode = xwl_output_validate_mode;
rp->rrModeDestroy = xwl_randr_mode_destroy;
#endif
rp->rrRequestLease = xwl_randr_request_lease;
rp->rrGetLease = xwl_randr_get_lease;
rp->rrTerminateLease = xwl_randr_terminate_lease;
return TRUE;
}
static int
mode_sort(const void *left, const void *right)
{
const RRModePtr *mode_a = left;
const RRModePtr *mode_b = right;
if ((*mode_b)->mode.width == (*mode_a)->mode.width)
return (*mode_b)->mode.height - (*mode_a)->mode.height;
return (*mode_b)->mode.width - (*mode_a)->mode.width;
}
static void
xwl_output_set_transform(struct xwl_output *xwl_output)
{
pixman_fixed_t transform_xscale;
RRModePtr mode;
mode = xwl_output_find_mode(xwl_output, xwl_output->mode_width, xwl_output->mode_height);
if (!mode) {
ErrorF("XWAYLAND: Failed to find mode for %ix%i\n",
xwl_output->mode_width, xwl_output->mode_height);
return;
}
if (xwl_output->transform == NULL) {
xwl_output->transform = xnfalloc(sizeof(RRTransformRec));
RRTransformInit(xwl_output->transform);
}
transform_xscale = pixman_double_to_fixed(xwl_output->xscale);
pixman_transform_init_scale(&xwl_output->transform->transform,
transform_xscale, transform_xscale);
pixman_f_transform_init_scale(&xwl_output->transform->f_transform,
xwl_output->xscale, xwl_output->xscale);
pixman_f_transform_invert(&xwl_output->transform->f_inverse,
&xwl_output->transform->f_transform);
RRCrtcNotify(xwl_output->randr_crtc, mode, 0, 0, RR_Rotate_0,
xwl_output->transform, 1, &xwl_output->randr_output);
}
void
xwl_output_set_xscale(struct xwl_output *xwl_output, double xscale)
{
xwl_output->xscale = xscale;
xwl_output_set_transform(xwl_output);
}
Bool
xwl_randr_add_modes_fixed(struct xwl_output *xwl_output,
int current_width, int current_height)
{
RRModePtr *modes = NULL;
RRModePtr mode;
int i, nmodes, current;
modes = xallocarray(ARRAY_SIZE(xwl_output_fake_modes) + 1, sizeof(RRModePtr));
if (!modes) {
ErrorF("Failed to allocated RandR modes\n");
return FALSE;
}
xwl_output->mode_width = current_width;
xwl_output->mode_height = current_height;
nmodes = 0;
current = 0;
/* Add fake modes */
for (i = 0; i < ARRAY_SIZE(xwl_output_fake_modes); i++) {
if (xwl_output_fake_modes[i][0] == current_width &&
xwl_output_fake_modes[i][1] == current_height)
current = 1;
mode = xwayland_cvt(xwl_output_fake_modes[i][0],
xwl_output_fake_modes[i][1],
60, 0, 0);
if (mode)
modes[nmodes++] = mode;
}
if (!current) {
/* Add the current mode as it's not part of the fake modes. */
mode = xwayland_cvt(current_width, current_height, 60, 0, 0);
if (mode)
modes[nmodes++] = mode;
}
qsort(modes, nmodes, sizeof(RRModePtr), mode_sort);
RROutputSetModes(xwl_output->randr_output, modes, nmodes, 1);
free(modes);
return TRUE;
}
void
xwl_output_set_mode_fixed(struct xwl_output *xwl_output, RRModePtr mode)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
xwl_output->mode_width = mode->mode.width;
xwl_output->mode_height = mode->mode.height;
update_screen_size(xwl_screen,
round((double) mode->mode.width * xwl_output->xscale),
round((double) mode->mode.height * xwl_output->xscale));
xwl_output_set_transform(xwl_output);
}
static Bool
xwl_randr_set_config_fixed(ScreenPtr pScreen,
Rotation randr, int rate, RRScreenSizePtr pSize)
{
struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
update_screen_size(xwl_screen, pSize->width, pSize->height);
return TRUE;
}
/* Create a single RR output/mode used with a fixed geometry */
Bool
xwl_screen_init_randr_fixed(struct xwl_screen *xwl_screen)
{
struct xwl_output *xwl_output;
char name[MAX_OUTPUT_NAME] = { 0 };
rrScrPrivPtr rp;
RRModePtr mode;
xwl_output = calloc(1, sizeof *xwl_output);
if (xwl_output == NULL) {
ErrorF("%s ENOMEM\n", __func__);
return FALSE;
}
if (!RRScreenInit(xwl_screen->screen))
goto err;
RRScreenSetSizeRange(xwl_screen->screen, 16, 16, 32767, 32767);
rp = rrGetScrPriv(xwl_screen->screen);
rp->rrGetInfo = xwl_randr_get_info;
rp->rrSetConfig = xwl_randr_set_config_fixed;
snprintf(name, MAX_OUTPUT_NAME, "XWAYLAND%d",
xwl_screen_get_next_output_serial(xwl_screen));
xwl_output->randr_output = RROutputCreate(xwl_screen->screen, name,
strlen(name), NULL);
if (!xwl_output->randr_output) {
ErrorF("Failed to create RandR output\n");
goto err;
}
xwl_output->randr_crtc = RRCrtcCreate(xwl_screen->screen, xwl_output);
if (!xwl_output->randr_crtc) {
ErrorF("Failed to create RandR CRTC\n");
goto err;
}
RRCrtcSetRotations (xwl_output->randr_crtc, RR_Rotate_0);
RRCrtcGammaSetSize(xwl_output->randr_crtc, 256);
RRCrtcSetTransformSupport(xwl_output->randr_crtc, TRUE);
RROutputSetCrtcs(xwl_output->randr_output, &xwl_output->randr_crtc, 1);
xwl_randr_add_modes_fixed(xwl_output,
xwl_screen_get_width(xwl_screen),
xwl_screen_get_height(xwl_screen));
/* Current mode */
mode = xwl_output_find_mode(xwl_output,
xwl_screen_get_width(xwl_screen),
xwl_screen_get_height(xwl_screen));
RRCrtcNotify(xwl_output->randr_crtc, mode, 0, 0, RR_Rotate_0,
NULL, 1, &xwl_output->randr_output);
RROutputSetPhysicalSize(xwl_output->randr_output,
(xwl_screen->width * 25.4) / monitorResolution,
(xwl_screen->height * 25.4) / monitorResolution);
RROutputSetConnection(xwl_output->randr_output, RR_Connected);
xwl_output->xwl_screen = xwl_screen;
xwl_screen->fixed_output = xwl_output;
xwl_output->xscale = 1.0;
return TRUE;
err:
if (xwl_output->randr_crtc)
RRCrtcDestroy(xwl_output->randr_crtc);
if (xwl_output->randr_output)
RROutputDestroy(xwl_output->randr_output);
free(xwl_output);
return FALSE;
}
static void
xwl_output_get_xdg_output(struct xwl_output *xwl_output)
{
struct xwl_screen *xwl_screen = xwl_output->xwl_screen;
if (!xwl_output->output) {
/* This can happen when an output is created from a leasable DRM
* connector */
return;
}
xwl_output->xdg_output =
zxdg_output_manager_v1_get_xdg_output (xwl_screen->xdg_output_manager,
xwl_output->output);
zxdg_output_v1_add_listener(xwl_output->xdg_output,
&xdg_output_listener,
xwl_output);
}
void
xwl_screen_init_xdg_output(struct xwl_screen *xwl_screen)
{
struct xwl_output *it;
assert(xwl_screen->xdg_output_manager);
xorg_list_for_each_entry(it, &xwl_screen->output_list, link)
xwl_output_get_xdg_output(it);
}
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