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openSUSE:Leap:15.5:Update
webkit2gtk3.31973
webkit2gtk3-disable-dmabuf-nvidia.patch
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File webkit2gtk3-disable-dmabuf-nvidia.patch of Package webkit2gtk3.31973
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();
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