ctm: disable fade animation by default on nvidia

Fixes #8891, the nvidia driver dies when we spam CTM too much.

src/config/ConfigDescriptions.hpp

@@ -1289,6 +1289,24 @@ inline static const std::vector<SConfigOptionDescription> CONFIG_OPTIONS = {
         .type        = CONFIG_OPTION_BOOL,
         .data        = SConfigOptionDescription::SBoolData{false},
     },
+    SConfigOptionDescription{
+        .value       = "render:expand_undersized_textures",
+        .description = "Whether to expand textures that have not yet resized to be larger, or to just stretch them instead.",
+        .type        = CONFIG_OPTION_BOOL,
+        .data        = SConfigOptionDescription::SBoolData{true},
+    },
+    SConfigOptionDescription{
+        .value       = "render:xp_mode",
+        .description = "Disable back buffer and bottom layer rendering.",
+        .type        = CONFIG_OPTION_BOOL,
+        .data        = SConfigOptionDescription::SBoolData{true},
+    },
+    SConfigOptionDescription{
+        .value       = "render:ctm_animation",
+        .description = "Whether to enable a fade animation for CTM changes (hyprsunset). 2 means 'auto' (Yes on everything but Nvidia).",
+        .type        = CONFIG_OPTION_INT,
+        .data        = SConfigOptionDescription::SRangeData{2, 0, 2},
+    },
 
     /*
      * cursor:

src/config/ConfigManager.cpp

@@ -614,6 +614,7 @@ CConfigManager::CConfigManager() {
     m_pConfig->addConfigValue("render:direct_scanout", Hyprlang::INT{0});
     m_pConfig->addConfigValue("render:expand_undersized_textures", Hyprlang::INT{1});
     m_pConfig->addConfigValue("render:xp_mode", Hyprlang::INT{0});
+    m_pConfig->addConfigValue("render:ctm_animation", Hyprlang::INT{2});
 
     m_pConfig->addConfigValue("ecosystem:no_update_news", Hyprlang::INT{0});
 

src/protocols/CTMControl.cpp

@@ -1,6 +1,8 @@
 #include "CTMControl.hpp"
 #include "../Compositor.hpp"
+#include "../render/Renderer.hpp"
 #include "core/Output.hpp"
+#include "../config/ConfigValue.hpp"
 
 CHyprlandCTMControlResource::CHyprlandCTMControlResource(SP<CHyprlandCtmControlManagerV1> resource_) : resource(resource_) {
     if (!good())
@@ -81,12 +83,24 @@ void CHyprlandCTMControlProtocol::destroyResource(CHyprlandCTMControlResource* r
     std::erase_if(m_vManagers, [&](const auto& other) { return other.get() == res; });
 }
 
+bool CHyprlandCTMControlProtocol::isCTMAnimationEnabled() {
+    static auto PENABLEANIM = CConfigValue<Hyprlang::INT>("render:ctm_animation");
+
+    if (*PENABLEANIM == 2)
+        return !g_pHyprRenderer->isNvidia();
+    return *PENABLEANIM;
+}
+
 CHyprlandCTMControlProtocol::SCTMData::SCTMData() {
     progress.create(g_pConfigManager->getAnimationPropertyConfig("__internal_fadeCTM"), AVARDAMAGE_NONE);
     progress.setValueAndWarp(0.F);
 }
 
 void CHyprlandCTMControlProtocol::setCTM(PHLMONITOR monitor, const Mat3x3& ctm) {
+    if (!isCTMAnimationEnabled()) {
+        monitor->setCTM(ctm);
+        return;
+    }
 
     std::erase_if(m_mCTMDatas, [](const auto& el) { return !el.first; });
 

src/protocols/CTMControl.hpp

@@ -34,6 +34,7 @@ class CHyprlandCTMControlProtocol : public IWaylandProtocol {
     void destroyResource(CHyprlandCTMControlResource* resource);
 
     void setCTM(PHLMONITOR monitor, const Mat3x3& ctm);
+    bool isCTMAnimationEnabled();
 
     //
     std::vector<SP<CHyprlandCTMControlResource>> m_vManagers;