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#include "GammaControl.hpp"
#include <fcntl.h>
#include <unistd.h>
#include "../helpers/Monitor.hpp"
#include "../protocols/core/Output.hpp"
#include "../render/Renderer.hpp"
using namespace Hyprutils::OS;
CGammaControl::CGammaControl(SP<CZwlrGammaControlV1> resource_, wl_resource* output) : m_resource(resource_) {
if UNLIKELY (!resource_->resource())
return;
auto OUTPUTRES = CWLOutputResource::fromResource(output);
if UNLIKELY (!OUTPUTRES) {
LOGM(ERR, "No output in CGammaControl");
m_resource->sendFailed();
return;
}
m_monitor = OUTPUTRES->m_monitor;
if UNLIKELY (!m_monitor || !m_monitor->m_output) {
LOGM(ERR, "No CMonitor");
m_resource->sendFailed();
return;
}
for (auto const& g : PROTO::gamma->m_gammaControllers) {
if UNLIKELY (g->m_monitor == m_monitor) {
m_resource->sendFailed();
return;
}
}
m_gammaSize = m_monitor->m_output->getGammaSize();
if UNLIKELY (m_gammaSize <= 0) {
LOGM(ERR, "Output {} doesn't support gamma", m_monitor->m_name);
m_resource->sendFailed();
return;
}
m_gammaTable.resize(m_gammaSize * 3);
m_resource->setDestroy([this](CZwlrGammaControlV1* gamma) { PROTO::gamma->destroyGammaControl(this); });
m_resource->setOnDestroy([this](CZwlrGammaControlV1* gamma) { PROTO::gamma->destroyGammaControl(this); });
m_resource->setSetGamma([this](CZwlrGammaControlV1* gamma, int32_t fd) {
CFileDescriptor gammaFd{fd};
if UNLIKELY (!m_monitor) {
LOGM(ERR, "setGamma for a dead monitor");
m_resource->sendFailed();
return;
}
LOGM(LOG, "setGamma for {}", m_monitor->m_name);
// TODO: make CFileDescriptor getflags use F_GETFL
int fdFlags = fcntl(gammaFd.get(), F_GETFL, 0);
if UNLIKELY (fdFlags < 0) {
LOGM(ERR, "Failed to get fd flags");
m_resource->sendFailed();
return;
}
// TODO: make CFileDescriptor setflags use F_SETFL
if UNLIKELY (fcntl(gammaFd.get(), F_SETFL, fdFlags | O_NONBLOCK) < 0) {
LOGM(ERR, "Failed to set fd flags");
m_resource->sendFailed();
return;
}
ssize_t readBytes = read(gammaFd.get(), m_gammaTable.data(), m_gammaTable.size() * sizeof(uint16_t));
ssize_t moreBytes = 0;
{
const size_t BUF_SIZE = 1;
char buf[BUF_SIZE] = {};
moreBytes = read(gammaFd.get(), buf, BUF_SIZE);
}
if (readBytes < 0 || sc<size_t>(readBytes) != m_gammaTable.size() * sizeof(uint16_t) || moreBytes != 0) {
LOGM(ERR, "Failed to read bytes");
if (sc<size_t>(readBytes) != m_gammaTable.size() * sizeof(uint16_t) || moreBytes > 0) {
gamma->error(ZWLR_GAMMA_CONTROL_V1_ERROR_INVALID_GAMMA, "Gamma ramps size mismatch");
return;
}
m_resource->sendFailed();
return;
}
m_gammaTableSet = true;
// translate the table to AQ format
std::vector<uint16_t> red, green, blue;
red.resize(m_gammaTable.size() / 3);
green.resize(m_gammaTable.size() / 3);
blue.resize(m_gammaTable.size() / 3);
for (size_t i = 0; i < m_gammaTable.size() / 3; ++i) {
red.at(i) = m_gammaTable.at(i);
green.at(i) = m_gammaTable.at(m_gammaTable.size() / 3 + i);
blue.at(i) = m_gammaTable.at((m_gammaTable.size() / 3) * 2 + i);
}
for (size_t i = 0; i < m_gammaTable.size() / 3; ++i) {
m_gammaTable.at(i * 3) = red.at(i);
m_gammaTable.at(i * 3 + 1) = green.at(i);
m_gammaTable.at(i * 3 + 2) = blue.at(i);
}
applyToMonitor();
});
m_resource->sendGammaSize(m_gammaSize);
m_listeners.monitorDestroy = m_monitor->m_events.destroy.listen([this] { this->onMonitorDestroy(); });
m_listeners.monitorDisconnect = m_monitor->m_events.disconnect.listen([this] { this->onMonitorDestroy(); });
}
CGammaControl::~CGammaControl() {
if (!m_gammaTableSet || !m_monitor || !m_monitor->m_output)
return;
// reset the LUT if the client dies for whatever reason and doesn't unset the gamma
m_monitor->m_output->state->setGammaLut({});
}
bool CGammaControl::good() {
return m_resource->resource();
}
void CGammaControl::applyToMonitor() {
if UNLIKELY (!m_monitor || !m_monitor->m_output)
return; // ??
LOGM(LOG, "setting to monitor {}", m_monitor->m_name);
if (!m_gammaTableSet) {
m_monitor->m_output->state->setGammaLut({});
return;
}
m_monitor->m_output->state->setGammaLut(m_gammaTable);
if (!m_monitor->m_state.test()) {
LOGM(LOG, "setting to monitor {} failed", m_monitor->m_name);
m_monitor->m_output->state->setGammaLut({});
}
g_pHyprRenderer->damageMonitor(m_monitor.lock());
}
PHLMONITOR CGammaControl::getMonitor() {
return m_monitor ? m_monitor.lock() : nullptr;
}
void CGammaControl::onMonitorDestroy() {
LOGM(LOG, "Destroying gamma control for {}", m_monitor->m_name);
m_resource->sendFailed();
}
CGammaControlProtocol::CGammaControlProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
;
}
void CGammaControlProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_managers.emplace_back(makeUnique<CZwlrGammaControlManagerV1>(client, ver, id)).get();
RESOURCE->setOnDestroy([this](CZwlrGammaControlManagerV1* p) { this->onManagerResourceDestroy(p->resource()); });
RESOURCE->setDestroy([this](CZwlrGammaControlManagerV1* pMgr) { this->onManagerResourceDestroy(pMgr->resource()); });
RESOURCE->setGetGammaControl([this](CZwlrGammaControlManagerV1* pMgr, uint32_t id, wl_resource* output) { this->onGetGammaControl(pMgr, id, output); });
}
void CGammaControlProtocol::onManagerResourceDestroy(wl_resource* res) {
std::erase_if(m_managers, [&](const auto& other) { return other->resource() == res; });
}
void CGammaControlProtocol::destroyGammaControl(CGammaControl* gamma) {
std::erase_if(m_gammaControllers, [&](const auto& other) { return other.get() == gamma; });
}
void CGammaControlProtocol::onGetGammaControl(CZwlrGammaControlManagerV1* pMgr, uint32_t id, wl_resource* output) {
const auto CLIENT = pMgr->client();
const auto RESOURCE = m_gammaControllers.emplace_back(makeUnique<CGammaControl>(makeShared<CZwlrGammaControlV1>(CLIENT, pMgr->version(), id), output)).get();
if UNLIKELY (!RESOURCE->good()) {
pMgr->noMemory();
m_gammaControllers.pop_back();
return;
}
}
void CGammaControlProtocol::applyGammaToState(PHLMONITOR pMonitor) {
for (auto const& g : m_gammaControllers) {
if (g->getMonitor() != pMonitor)
continue;
g->applyToMonitor();
break;
}
}
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