From f97491aa5b4b45112aaa92920e8e8355a2b8c137ca5afaebd504ed01c102335f Mon Sep 17 00:00:00 2001
From: Dominique Leuenberger <dimstar@opensuse.org>
Date: Fri, 3 Nov 2023 07:45:26 +0000
Subject: [PATCH] Accepting request 1121694 from GNOME:Next

- Add webkit2gtk3-disable-dmabuf-nvidia.patch: disable DMABuf
  renderer for NVIDIA proprietary drivers (boo#1216778).

OBS-URL: https://build.opensuse.org/request/show/1121694
OBS-URL: https://build.opensuse.org/package/show/GNOME:Factory/webkit2gtk3?expand=0&rev=428
---
 webkit2gtk3-disable-dmabuf-nvidia.patch | 63 +++++++++++++++++++++++++
 webkit2gtk3.changes                     |  6 +++
 webkit2gtk3.spec                        |  3 ++
 3 files changed, 72 insertions(+)
 create mode 100644 webkit2gtk3-disable-dmabuf-nvidia.patch

diff --git a/webkit2gtk3-disable-dmabuf-nvidia.patch b/webkit2gtk3-disable-dmabuf-nvidia.patch
new file mode 100644
index 0000000..7d8ff15
--- /dev/null
+++ b/webkit2gtk3-disable-dmabuf-nvidia.patch
@@ -0,0 +1,63 @@
+From: Carlos Garcia Campos <cgarcia@igalia.com>
+Subject: Disable DMABuf renderer for NVIDIA proprietary drivers
+Bug: https://bugs.webkit.org/show_bug.cgi?id=262607
+Bug-Debian: https://bugs.debian.org/1039720
+Origin: https://github.com/WebKit/WebKit/pull/18614
+Index: webkitgtk/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp
+===================================================================
+--- webkitgtk.orig/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp
++++ webkitgtk/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp
+@@ -36,11 +36,13 @@
+ #include <WebCore/GLContext.h>
+ #include <WebCore/IntRect.h>
+ #include <WebCore/PlatformDisplay.h>
++#include <WebCore/PlatformDisplaySurfaceless.h>
+ #include <epoxy/egl.h>
+ #include <wtf/glib/GUniquePtr.h>
+ 
+ #if USE(GBM)
+ #include <WebCore/DMABufFormat.h>
++#include <WebCore/PlatformDisplayGBM.h>
+ #include <gbm.h>
+ static constexpr uint64_t s_dmabufInvalidModifier = uint64_t(WebCore::DMABufFormat::Modifier::Invalid);
+ #else
+@@ -53,6 +55,29 @@ static constexpr uint64_t s_dmabufInvali
+ 
+ namespace WebKit {
+ 
++static bool isNVIDIA()
++{
++    const char* forceDMABuf = getenv("WEBKIT_FORCE_DMABUF_RENDERER");
++    if (forceDMABuf && strcmp(forceDMABuf, "0"))
++        return false;
++
++    std::unique_ptr<WebCore::PlatformDisplay> platformDisplay;
++#if USE(GBM)
++    const char* disableGBM = getenv("WEBKIT_DMABUF_RENDERER_DISABLE_GBM");
++    if (!disableGBM || !strcmp(disableGBM, "0")) {
++        if (auto* device = WebCore::PlatformDisplay::sharedDisplay().gbmDevice())
++            platformDisplay = WebCore::PlatformDisplayGBM::create(device);
++    }
++#endif
++    if (!platformDisplay)
++        platformDisplay = WebCore::PlatformDisplaySurfaceless::create();
++
++    WebCore::GLContext::ScopedGLContext glContext(WebCore::GLContext::createOffscreen(platformDisplay ? *platformDisplay : WebCore::PlatformDisplay::sharedDisplay()));
++    if (strstr(reinterpret_cast<const char*>(glGetString(GL_VENDOR)), "NVIDIA"))
++        return true;
++    return false;
++}
++
+ OptionSet<DMABufRendererBufferMode> AcceleratedBackingStoreDMABuf::rendererBufferMode()
+ {
+     static OptionSet<DMABufRendererBufferMode> mode;
+@@ -68,6 +93,9 @@ OptionSet<DMABufRendererBufferMode> Acce
+             return;
+         }
+ 
++        if (isNVIDIA())
++            return;
++
+         mode.add(DMABufRendererBufferMode::SharedMemory);
+ 
+         const auto& eglExtensions = WebCore::PlatformDisplay::sharedDisplay().eglExtensions();
diff --git a/webkit2gtk3.changes b/webkit2gtk3.changes
index ea30186..02f1f93 100644
--- a/webkit2gtk3.changes
+++ b/webkit2gtk3.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Nov  1 19:52:33 UTC 2023 - Mike Gorse <mgorse@suse.com>
+
+- Add webkit2gtk3-disable-dmabuf-nvidia.patch: disable DMABuf
+  renderer for NVIDIA proprietary drivers (boo#1216778).
+
 -------------------------------------------------------------------
 Mon Oct 23 18:48:15 UTC 2023 - Mike Gorse <mgorse@suse.com>
 
diff --git a/webkit2gtk3.spec b/webkit2gtk3.spec
index 927f653..b692359 100644
--- a/webkit2gtk3.spec
+++ b/webkit2gtk3.spec
@@ -89,6 +89,8 @@ Source99:       webkit2gtk3.keyring
 Patch0:         reproducibility.patch
 # PATCH-FIX-UPSTREAM webkit2gtk3-create-destroy-egl-image.patch boo#1216483 mgorse@suse.com -- fix "No provider of EglDestroyImage found".
 Patch1:         webkit2gtk3-create-destroy-egl-image.patch
+# PATCH-FIX-UPSTREAM webkit2gtk3-disable-dmabuf-nvidia.patch boo#1216778 mgorse@suse.com -- disable the DMABuf renderer for NVIDIA proprietary drivers.
+Patch2:         webkit2gtk3-disable-dmabuf-nvidia.patch
 
 BuildRequires:  Mesa-libEGL-devel
 BuildRequires:  Mesa-libGL-devel
@@ -426,6 +428,7 @@ Group:          Development/Tools/Other
 A small test browswer from webkit, useful for testing features.
 
 # Expand %%lang_package to Obsoletes its older-name counterpart
+
 %package -n WebKitGTK-%{_apiver}-lang
 Summary:        Translations for package %{name}
 Group:          System/Localization