void-packages/srcpkgs/webkit2gtk/patches/disable-dmabuf-nvidia.patch

64 lines
2.4 KiB
Diff

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
@@ -38,11 +38,13 @@
#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
@@ -55,6 +57,29 @@ 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;
@@ -70,6 +95,9 @@ OptionSet<DMABufRendererBufferMode> Acce
return;
}
+ if (isNVIDIA())
+ return;
+
mode.add(DMABufRendererBufferMode::SharedMemory);
const auto& eglExtensions = WebCore::PlatformDisplay::sharedDisplay().eglExtensions();