kwin: stop reverting c++20 things
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K900
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0091bd6346
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2 changed files with 1 additions and 155 deletions
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@ -1,153 +0,0 @@
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From 84f020835e3624342a928aae68e62e636bf2cc8c Mon Sep 17 00:00:00 2001
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From: Yuriy Taraday <yorik.sar@gmail.com>
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Date: Wed, 12 Oct 2022 12:07:23 +0400
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Subject: [PATCH] Revert "[x11] Refactor output updates"
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This reverts commit 9a34ebbffc791cbeadc9abafda793ebee654b270.
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This should fix compilation with older GCC.
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---
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CMakeLists.txt | 2 +-
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.../standalone/x11_standalone_platform.cpp | 63 +++++++++++--------
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2 files changed, 38 insertions(+), 27 deletions(-)
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 3e7bf700e..6ff24aa5c 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -70,7 +70,7 @@ add_definitions(-DMESA_EGL_NO_X11_HEADERS)
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add_definitions(-DEGL_NO_X11)
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add_definitions(-DEGL_NO_PLATFORM_SPECIFIC_TYPES)
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-set(CMAKE_CXX_STANDARD 20)
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+set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# required frameworks by Core
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diff --git a/src/backends/x11/standalone/x11_standalone_platform.cpp b/src/backends/x11/standalone/x11_standalone_platform.cpp
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index 498d5cbe3..ac0f732b2 100644
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--- a/src/backends/x11/standalone/x11_standalone_platform.cpp
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+++ b/src/backends/x11/standalone/x11_standalone_platform.cpp
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@@ -54,8 +54,6 @@
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#include <QX11Info>
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#endif
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-#include <span>
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-
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namespace KWin
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{
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@@ -407,7 +405,8 @@ void X11StandalonePlatform::invertScreen()
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ScreenResources res((active_client && active_client->window() != XCB_WINDOW_NONE) ? active_client->window() : rootWindow());
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if (!res.isNull()) {
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- for (auto crtc : std::span(res.crtcs(), res->num_crtcs)) {
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+ for (int j = 0; j < res->num_crtcs; ++j) {
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+ auto crtc = res.crtcs()[j];
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CrtcGamma gamma(crtc);
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if (gamma.isNull()) {
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continue;
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@@ -480,39 +479,54 @@ void X11StandalonePlatform::doUpdateOutputs()
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if (Xcb::Extensions::self()->isRandrAvailable()) {
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T resources(rootWindow());
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if (!resources.isNull()) {
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+ xcb_randr_crtc_t *crtcs = resources.crtcs();
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+ const xcb_randr_mode_info_t *modes = resources.modes();
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+
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+ QVector<Xcb::RandR::CrtcInfo> infos(resources->num_crtcs);
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+ for (int i = 0; i < resources->num_crtcs; ++i) {
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+ infos[i] = Xcb::RandR::CrtcInfo(crtcs[i], resources->config_timestamp);
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+ }
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- std::span crtcs(resources.crtcs(), resources->num_crtcs);
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- for (auto crtc : crtcs) {
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- Xcb::RandR::CrtcInfo info(crtc, resources->config_timestamp);
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+ for (int i = 0; i < resources->num_crtcs; ++i) {
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+ Xcb::RandR::CrtcInfo info(infos.at(i));
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const QRect geometry = info.rect();
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if (!geometry.isValid()) {
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continue;
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}
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- float refreshRate = -1.0f;
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+ xcb_randr_output_t *outputs = info.outputs();
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+ QVector<Xcb::RandR::OutputInfo> outputInfos(outputs ? resources->num_outputs : 0);
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+ QVector<Xcb::RandR::OutputProperty> edids(outputs ? resources->num_outputs : 0);
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+ if (outputs) {
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+ for (int i = 0; i < resources->num_outputs; ++i) {
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+ outputInfos[i] = Xcb::RandR::OutputInfo(outputs[i], resources->config_timestamp);
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+ edids[i] = Xcb::RandR::OutputProperty(outputs[i], atoms->edid, XCB_ATOM_INTEGER, 0, 100, false, false);
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+ }
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+ }
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- for (auto mode : std::span(resources.modes(), resources->num_modes)) {
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- if (info->mode == mode.id) {
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- if (mode.htotal != 0 && mode.vtotal != 0) { // BUG 313996
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+ float refreshRate = -1.0f;
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+ for (int j = 0; j < resources->num_modes; ++j) {
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+ if (info->mode == modes[j].id) {
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+ if (modes[j].htotal != 0 && modes[j].vtotal != 0) { // BUG 313996
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// refresh rate calculation - WTF was wikipedia 1998 when I needed it?
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- int dotclock = mode.dot_clock,
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- vtotal = mode.vtotal;
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- if (mode.mode_flags & XCB_RANDR_MODE_FLAG_INTERLACE) {
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+ int dotclock = modes[j].dot_clock,
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+ vtotal = modes[j].vtotal;
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+ if (modes[j].mode_flags & XCB_RANDR_MODE_FLAG_INTERLACE) {
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dotclock *= 2;
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}
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- if (mode.mode_flags & XCB_RANDR_MODE_FLAG_DOUBLE_SCAN) {
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+ if (modes[j].mode_flags & XCB_RANDR_MODE_FLAG_DOUBLE_SCAN) {
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vtotal *= 2;
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}
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- refreshRate = dotclock / float(mode.htotal * vtotal);
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+ refreshRate = dotclock / float(modes[j].htotal * vtotal);
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}
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break; // found mode
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}
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}
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- for (auto xcbOutput : std::span(info.outputs(), info->num_outputs)) {
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- Xcb::RandR::OutputInfo outputInfo(xcbOutput, resources->config_timestamp);
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- if (outputInfo->crtc != crtc) {
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+ for (int j = 0; j < info->num_outputs; ++j) {
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+ Xcb::RandR::OutputInfo outputInfo(outputInfos.at(j));
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+ if (outputInfo->crtc != crtcs[i]) {
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continue;
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}
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@@ -528,14 +542,12 @@ void X11StandalonePlatform::doUpdateOutputs()
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// TODO: Perhaps the output has to save the inherited gamma ramp and
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// restore it during tear down. Currently neither standalone x11 nor
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// drm platform do this.
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- Xcb::RandR::CrtcGamma gamma(crtc);
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+ Xcb::RandR::CrtcGamma gamma(crtcs[i]);
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output->setRenderLoop(m_renderLoop.get());
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- output->setCrtc(crtc);
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+ output->setCrtc(crtcs[i]);
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output->setGammaRampSize(gamma.isNull() ? 0 : gamma->size);
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- auto it = std::find(crtcs.begin(), crtcs.end(), crtc);
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- int crtcIndex = std::distance(crtcs.begin(), it);
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- output->setXineramaNumber(crtcIndex);
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+ output->setXineramaNumber(i);
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QSize physicalSize(outputInfo->mm_width, outputInfo->mm_height);
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switch (info->rotation) {
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@@ -556,10 +568,9 @@ void X11StandalonePlatform::doUpdateOutputs()
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.physicalSize = physicalSize,
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};
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- auto edidProperty = Xcb::RandR::OutputProperty(xcbOutput, atoms->edid, XCB_ATOM_INTEGER, 0, 100, false, false);
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bool ok;
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- if (auto data = edidProperty.toByteArray(&ok); ok && !data.isEmpty()) {
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- if (auto edid = Edid(data, edidProperty.data()->num_items); edid.isValid()) {
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+ if (auto data = edids[j].toByteArray(&ok); ok && !data.isEmpty()) {
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+ if (auto edid = Edid(data, edids[j].data()->num_items); edid.isValid()) {
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information.manufacturer = edid.manufacturerString();
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information.model = edid.monitorName();
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information.serialNumber = edid.serialNumber();
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--
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2.37.2
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@ -142,9 +142,8 @@ mkDerivation {
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url = "https://invent.kde.org/plasma/kwin/-/commit/9a008b223ad696db3bf5692750f2b74e578e08b8.diff";
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sha256 = "sha256-f35G+g2MVABLDbAkCed3ZmtDWrzYn1rdD08mEx35j4k=";
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})
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] ++ lib.optionals stdenv.isAarch64 [
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./0001-Revert-x11-Refactor-output-updates.patch
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];
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CXXFLAGS = [
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''-DNIXPKGS_XWAYLAND=\"${lib.getBin xwayland}/bin/Xwayland\"''
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];
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