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protocols: fix alpha-modifier noncompliance (#8929)

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Also fixes small issues with hyprland-surface opacity < 1.0 while
surface alpha = 1.0.
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outfoxxed 2025-01-02 03:53:57 -08:00 committed by GitHub
parent cbd2451570
commit 42fd366046
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GPG key ID: B5690EEEBB952194
4 changed files with 90 additions and 83 deletions
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2
src/desktop/WLSurface.hpp
View file

@ -84,7 +84,7 @@ class CWLSurface {
static SP<CWLSurface> fromResource(SP<CWLSurfaceResource> pSurface);
// used by the alpha-modifier protocol
float m_pAlphaModifier = 1.F;
float m_fAlphaModifier = 1.F;
// used by the hyprland-surface protocol
float m_fOverallOpacity = 1.F;

124
src/protocols/AlphaModifier.cpp
View file

@ -1,66 +1,62 @@
#include "AlphaModifier.hpp"
#include <algorithm>
#include "../desktop/WLSurface.hpp"
#include "../render/Renderer.hpp"
#include "alpha-modifier-v1.hpp"
#include "core/Compositor.hpp"
CAlphaModifier::CAlphaModifier(SP<CWpAlphaModifierSurfaceV1> resource_, SP<CWLSurfaceResource> surface_) : resource(resource_), pSurface(surface_) {
if (!resource->resource())
return;
resource->setDestroy([this](CWpAlphaModifierSurfaceV1* pMgr) {
PROTO::alphaModifier->destroyModifier(this);
setSurfaceAlpha(1.F);
});
resource->setOnDestroy([this](CWpAlphaModifierSurfaceV1* pMgr) {
PROTO::alphaModifier->destroyModifier(this);
setSurfaceAlpha(1.F);
});
listeners.destroySurface = pSurface->events.destroy.registerListener([this](std::any d) { onSurfaceDestroy(); });
resource->setSetMultiplier([this](CWpAlphaModifierSurfaceV1* mod, uint32_t alpha) {
if (!pSurface) {
LOGM(ERR, "Resource {:x} tried to setMultiplier but surface is gone", (uintptr_t)mod->resource());
mod->error(WP_ALPHA_MODIFIER_SURFACE_V1_ERROR_NO_SURFACE, "Surface is gone");
return;
}
float a = alpha / (float)UINT32_MAX;
setSurfaceAlpha(a);
});
}
CAlphaModifier::~CAlphaModifier() {
;
CAlphaModifier::CAlphaModifier(SP<CWpAlphaModifierSurfaceV1> resource, SP<CWLSurfaceResource> surface) : m_pSurface(surface) {
setResource(std::move(resource));
}
bool CAlphaModifier::good() {
return resource->resource();
return m_pResource->resource();
}
SP<CWLSurfaceResource> CAlphaModifier::getSurface() {
return pSurface.lock();
}
void CAlphaModifier::setResource(SP<CWpAlphaModifierSurfaceV1> resource) {
m_pResource = std::move(resource);
void CAlphaModifier::setSurfaceAlpha(float a) {
auto surf = CWLSurface::fromResource(pSurface.lock());
if (!m_pResource->resource())
return;
if (!surf) {
LOGM(ERR, "CAlphaModifier::setSurfaceAlpha: No CWLSurface for given surface??");
m_pResource->setDestroy([this](CWpAlphaModifierSurfaceV1* resource) { destroy(); });
m_pResource->setOnDestroy([this](CWpAlphaModifierSurfaceV1* resource) { destroy(); });
m_pResource->setSetMultiplier([this](CWpAlphaModifierSurfaceV1* resource, uint32_t alpha) {
if (!m_pSurface) {
m_pResource->error(WP_ALPHA_MODIFIER_SURFACE_V1_ERROR_NO_SURFACE, "set_multiplier called for destroyed wl_surface");
return;
}
surf->m_pAlphaModifier = a;
m_fAlpha = alpha / (float)UINT32_MAX;
});
auto SURFBOX = surf->getSurfaceBoxGlobal();
if (SURFBOX.has_value())
g_pHyprRenderer->damageBox(&*SURFBOX);
listeners.surfaceCommitted = m_pSurface->events.commit.registerListener([this](std::any data) {
auto surface = CWLSurface::fromResource(m_pSurface.lock());
if (surface && surface->m_fAlphaModifier != m_fAlpha) {
surface->m_fAlphaModifier = m_fAlpha;
auto box = surface->getSurfaceBoxGlobal();
if (box.has_value())
g_pHyprRenderer->damageBox(&*box);
if (!m_pResource)
PROTO::alphaModifier->destroyAlphaModifier(this);
}
});
listeners.surfaceDestroyed = m_pSurface->events.destroy.registerListener([this](std::any data) {
if (!m_pResource)
PROTO::alphaModifier->destroyAlphaModifier(this);
});
}
void CAlphaModifier::onSurfaceDestroy() {
pSurface.reset();
void CAlphaModifier::destroy() {
m_pResource.reset();
m_fAlpha = 1.F;
if (!m_pSurface)
PROTO::alphaModifier->destroyAlphaModifier(this);
}
CAlphaModifierProtocol::CAlphaModifierProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
@ -69,33 +65,41 @@ CAlphaModifierProtocol::CAlphaModifierProtocol(const wl_interface* iface, const
void CAlphaModifierProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_vManagers.emplace_back(std::make_unique<CWpAlphaModifierV1>(client, ver, id)).get();
RESOURCE->setOnDestroy([this](CWpAlphaModifierV1* p) { this->onManagerResourceDestroy(p->resource()); });
RESOURCE->setOnDestroy([this](CWpAlphaModifierV1* manager) { destroyManager(manager); });
RESOURCE->setDestroy([this](CWpAlphaModifierV1* pMgr) { this->onManagerResourceDestroy(pMgr->resource()); });
RESOURCE->setGetSurface([this](CWpAlphaModifierV1* pMgr, uint32_t id, wl_resource* surface) { this->onGetSurface(pMgr, id, CWLSurfaceResource::fromResource(surface)); });
RESOURCE->setDestroy([this](CWpAlphaModifierV1* manager) { destroyManager(manager); });
RESOURCE->setGetSurface([this](CWpAlphaModifierV1* manager, uint32_t id, wl_resource* surface) { getSurface(manager, id, CWLSurfaceResource::fromResource(surface)); });
}
void CAlphaModifierProtocol::onManagerResourceDestroy(wl_resource* res) {
std::erase_if(m_vManagers, [&](const auto& other) { return other->resource() == res; });
void CAlphaModifierProtocol::destroyManager(CWpAlphaModifierV1* manager) {
std::erase_if(m_vManagers, [&](const auto& p) { return p.get() == manager; });
}
void CAlphaModifierProtocol::destroyModifier(CAlphaModifier* modifier) {
std::erase_if(m_mAlphaModifiers, [](const auto& e) { return e.first.expired(); });
void CAlphaModifierProtocol::destroyAlphaModifier(CAlphaModifier* modifier) {
std::erase_if(m_mAlphaModifiers, [&](const auto& entry) { return entry.second.get() == modifier; });
}
void CAlphaModifierProtocol::onGetSurface(CWpAlphaModifierV1* pMgr, uint32_t id, SP<CWLSurfaceResource> surface) {
if (std::find_if(m_mAlphaModifiers.begin(), m_mAlphaModifiers.end(), [surface](const auto& e) { return e.first == surface; }) != m_mAlphaModifiers.end()) {
void CAlphaModifierProtocol::getSurface(CWpAlphaModifierV1* manager, uint32_t id, SP<CWLSurfaceResource> surface) {
CAlphaModifier* alphaModifier = nullptr;
auto iter = std::find_if(m_mAlphaModifiers.begin(), m_mAlphaModifiers.end(), [&](const auto& entry) { return entry.second->m_pSurface == surface; });
if (iter != m_mAlphaModifiers.end()) {
if (iter->second->m_pResource) {
LOGM(ERR, "AlphaModifier already present for surface {:x}", (uintptr_t)surface.get());
pMgr->error(WP_ALPHA_MODIFIER_V1_ERROR_ALREADY_CONSTRUCTED, "AlphaModifier already present");
manager->error(WP_ALPHA_MODIFIER_V1_ERROR_ALREADY_CONSTRUCTED, "AlphaModifier already present");
return;
} else {
iter->second->setResource(makeShared<CWpAlphaModifierSurfaceV1>(manager->client(), manager->version(), id));
alphaModifier = iter->second.get();
}
const auto RESOURCE = m_mAlphaModifiers.emplace(surface, std::make_unique<CAlphaModifier>(makeShared<CWpAlphaModifierSurfaceV1>(pMgr->client(), pMgr->version(), id), surface))
} else {
alphaModifier =
m_mAlphaModifiers.emplace(surface, std::make_unique<CAlphaModifier>(makeShared<CWpAlphaModifierSurfaceV1>(manager->client(), manager->version(), id), surface))
.first->second.get();
}
if (!RESOURCE->good()) {
pMgr->noMemory();
if (!alphaModifier->good()) {
manager->noMemory();
m_mAlphaModifiers.erase(surface);
return;
}
}

25
src/protocols/AlphaModifier.hpp
View file

@ -8,25 +8,28 @@
#include "../helpers/signal/Signal.hpp"
class CWLSurfaceResource;
class CAlphaModifierProtocol;
class CAlphaModifier {
public:
CAlphaModifier(SP<CWpAlphaModifierSurfaceV1> resource_, SP<CWLSurfaceResource> surface);
~CAlphaModifier();
bool good();
SP<CWLSurfaceResource> getSurface();
void onSurfaceDestroy();
void setResource(SP<CWpAlphaModifierSurfaceV1> resource);
private:
SP<CWpAlphaModifierSurfaceV1> resource;
WP<CWLSurfaceResource> pSurface;
SP<CWpAlphaModifierSurfaceV1> m_pResource;
WP<CWLSurfaceResource> m_pSurface;
float m_fAlpha = 1.0;
void setSurfaceAlpha(float a);
void destroy();
struct {
CHyprSignalListener destroySurface;
CHyprSignalListener surfaceCommitted;
CHyprSignalListener surfaceDestroyed;
} listeners;
friend class CAlphaModifierProtocol;
};
class CAlphaModifierProtocol : public IWaylandProtocol {
@ -36,13 +39,13 @@ class CAlphaModifierProtocol : public IWaylandProtocol {
virtual void bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id);
private:
void onManagerResourceDestroy(wl_resource* res);
void destroyModifier(CAlphaModifier* decoration);
void onGetSurface(CWpAlphaModifierV1* pMgr, uint32_t id, SP<CWLSurfaceResource> surface);
void destroyManager(CWpAlphaModifierV1* res);
void destroyAlphaModifier(CAlphaModifier* surface);
void getSurface(CWpAlphaModifierV1* manager, uint32_t id, SP<CWLSurfaceResource> surface);
//
std::vector<UP<CWpAlphaModifierV1>> m_vManagers;
std::unordered_map<WP<CWLSurfaceResource>, UP<CAlphaModifier>> m_mAlphaModifiers; // xdg_toplevel -> deco
std::unordered_map<WP<CWLSurfaceResource>, UP<CAlphaModifier>> m_mAlphaModifiers;
friend class CAlphaModifier;
};

10
src/render/pass/SurfacePassElement.cpp
View file

@ -58,7 +58,7 @@ void CSurfacePassElement::draw(const CRegion& damage) {
auto PSURFACE = CWLSurface::fromResource(data.surface);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_pAlphaModifier : 1.F);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_fAlphaModifier : 1.F);
const float OVERALL_ALPHA = PSURFACE ? PSURFACE->m_fOverallOpacity : 1.F;
const bool BLUR = data.blur && (!TEXTURE->m_bOpaque || ALPHA < 1.F || OVERALL_ALPHA < 1.F);
@ -96,7 +96,7 @@ void CSurfacePassElement::draw(const CRegion& damage) {
rounding = 0;
const bool WINDOWOPAQUE = data.pWindow && data.pWindow->m_pWLSurface->resource() == data.surface ? data.pWindow->opaque() : false;
const bool CANDISABLEBLEND = ALPHA >= 1.f && rounding == 0 && WINDOWOPAQUE;
const bool CANDISABLEBLEND = ALPHA >= 1.f && OVERALL_ALPHA >= 1.f && rounding == 0 && WINDOWOPAQUE;
if (CANDISABLEBLEND)
g_pHyprOpenGL->blend(false);
@ -176,7 +176,7 @@ CBox CSurfacePassElement::getTexBox() {
bool CSurfacePassElement::needsLiveBlur() {
auto PSURFACE = CWLSurface::fromResource(data.surface);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_pAlphaModifier : 1.F);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_fAlphaModifier * PSURFACE->m_fOverallOpacity : 1.F);
const bool BLUR = data.blur && (!data.texture || !data.texture->m_bOpaque || ALPHA < 1.F);
if (!data.pLS && !data.pWindow)
@ -190,7 +190,7 @@ bool CSurfacePassElement::needsLiveBlur() {
bool CSurfacePassElement::needsPrecomputeBlur() {
auto PSURFACE = CWLSurface::fromResource(data.surface);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_pAlphaModifier : 1.F);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_fAlphaModifier * PSURFACE->m_fOverallOpacity : 1.F);
const bool BLUR = data.blur && (!data.texture || !data.texture->m_bOpaque || ALPHA < 1.F);
if (!data.pLS && !data.pWindow)
@ -208,7 +208,7 @@ std::optional<CBox> CSurfacePassElement::boundingBox() {
CRegion CSurfacePassElement::opaqueRegion() {
auto PSURFACE = CWLSurface::fromResource(data.surface);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_pAlphaModifier : 1.F);
const float ALPHA = data.alpha * data.fadeAlpha * (PSURFACE ? PSURFACE->m_fAlphaModifier * PSURFACE->m_fOverallOpacity : 1.F);
if (ALPHA < 1.F)
return {};