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diff -up firefox-101.0/gfx/gl/GLContextEGL.h.D147420.diff firefox-101.0/gfx/gl/GLContextEGL.h
--- firefox-101.0/gfx/gl/GLContextEGL.h.D147420.diff 2022-05-27 01:16:54.000000000 +0200
+++ firefox-101.0/gfx/gl/GLContextEGL.h 2022-06-07 09:01:17.487787806 +0200
@@ -106,6 +106,9 @@ class GLContextEGL final : public GLCont
static RefPtr<GLContextEGL> CreateEGLPBufferOffscreenContextImpl(
std::shared_ptr<EglDisplay>, const GLContextCreateDesc&,
const gfx::IntSize& size, bool aUseGles, nsACString* const out_FailureId);
+ static RefPtr<GLContextEGL> CreateEGLSurfacelessContext(
+ const std::shared_ptr<EglDisplay> display,
+ const GLContextCreateDesc& desc, nsACString* const out_failureId);
static EGLSurface CreateEGLSurfaceForCompositorWidget(
widget::CompositorWidget* aCompositorWidget, const EGLConfig aConfig);
diff -up firefox-101.0/gfx/gl/GLContextProviderEGL.cpp.D147420.diff firefox-101.0/gfx/gl/GLContextProviderEGL.cpp
--- firefox-101.0/gfx/gl/GLContextProviderEGL.cpp.D147420.diff 2022-05-27 01:16:54.000000000 +0200
+++ firefox-101.0/gfx/gl/GLContextProviderEGL.cpp 2022-06-07 09:01:17.487787806 +0200
@@ -1190,16 +1190,42 @@ RefPtr<GLContextEGL> GLContextEGL::Creat
}
/*static*/
+RefPtr<GLContextEGL> GLContextEGL::CreateEGLSurfacelessContext(
+ const std::shared_ptr<EglDisplay> display, const GLContextCreateDesc& desc,
+ nsACString* const out_failureId) {
+ const EGLConfig config = {};
+ auto fullDesc = GLContextDesc{desc};
+ fullDesc.isOffscreen = true;
+ RefPtr<GLContextEGL> gl = GLContextEGL::CreateGLContext(
+ display, fullDesc, config, EGL_NO_SURFACE, false, out_failureId);
+ if (!gl) {
+ NS_WARNING("Failed to create surfaceless GL context");
+ return nullptr;
+ }
+ return gl;
+}
+
+/*static*/
already_AddRefed<GLContext> GLContextProviderEGL::CreateHeadless(
const GLContextCreateDesc& desc, nsACString* const out_failureId) {
const auto display = DefaultEglDisplay(out_failureId);
if (!display) {
return nullptr;
}
- mozilla::gfx::IntSize dummySize = mozilla::gfx::IntSize(16, 16);
- auto ret = GLContextEGL::CreateEGLPBufferOffscreenContext(
- display, desc, dummySize, out_failureId);
- return ret.forget();
+ RefPtr<GLContextEGL> gl;
+#ifdef MOZ_WAYLAND
+ if (!gdk_display_get_default() &&
+ display->IsExtensionSupported(EGLExtension::MESA_platform_surfaceless)) {
+ gl =
+ GLContextEGL::CreateEGLSurfacelessContext(display, desc, out_failureId);
+ } else
+#endif
+ {
+ mozilla::gfx::IntSize dummySize = mozilla::gfx::IntSize(16, 16);
+ gl = GLContextEGL::CreateEGLPBufferOffscreenContext(
+ display, desc, dummySize, out_failureId);
+ }
+ return gl.forget();
}
// Don't want a global context on Android as 1) share groups across 2 threads
diff -up firefox-101.0/gfx/gl/GLDefs.h.D147420.diff firefox-101.0/gfx/gl/GLDefs.h
--- firefox-101.0/gfx/gl/GLDefs.h.D147420.diff 2022-05-27 01:16:54.000000000 +0200
+++ firefox-101.0/gfx/gl/GLDefs.h 2022-06-07 09:01:17.487787806 +0200
@@ -104,6 +104,9 @@ bool CheckContextLost(const GLContext* g
// EGL_ANGLE_image_d3d11_texture
#define LOCAL_EGL_D3D11_TEXTURE_ANGLE 0x3484
+// EGL_MESA_platform_surfaceless
+#define LOCAL_EGL_PLATFORM_SURFACELESS_MESA 0x31DD
+
// clang-format on
#endif
diff -up firefox-101.0/gfx/gl/GLLibraryEGL.cpp.D147420.diff firefox-101.0/gfx/gl/GLLibraryEGL.cpp
--- firefox-101.0/gfx/gl/GLLibraryEGL.cpp.D147420.diff 2022-05-27 01:16:54.000000000 +0200
+++ firefox-101.0/gfx/gl/GLLibraryEGL.cpp 2022-06-07 09:03:04.077349997 +0200
@@ -82,7 +82,8 @@ static const char* sEGLExtensionNames[]
"EGL_KHR_swap_buffers_with_damage",
"EGL_EXT_buffer_age",
"EGL_KHR_partial_update",
- "EGL_NV_robustness_video_memory_purge"};
+ "EGL_NV_robustness_video_memory_purge",
+ "EGL_MESA_platform_surfaceless"};
PRLibrary* LoadApitraceLibrary() {
const char* path = nullptr;
@@ -151,6 +152,19 @@ static std::shared_ptr<EglDisplay> GetAn
return EglDisplay::Create(egl, display, false, aProofOfLock);
}
+#ifdef MOZ_WAYLAND
+static std::shared_ptr<EglDisplay> GetAndInitSurfacelessDisplay(
+ GLLibraryEGL& egl, const StaticMutexAutoLock& aProofOfLock) {
+ const EGLAttrib attrib_list[] = {LOCAL_EGL_NONE};
+ const EGLDisplay display = egl.fGetPlatformDisplay(
+ LOCAL_EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY, attrib_list);
+ if (display == EGL_NO_DISPLAY) {
+ return nullptr;
+ }
+ return EglDisplay::Create(egl, display, true, aProofOfLock);
+}
+#endif
+
static std::shared_ptr<EglDisplay> GetAndInitWARPDisplay(
GLLibraryEGL& egl, void* displayType,
const StaticMutexAutoLock& aProofOfLock) {
@@ -629,6 +643,11 @@ bool GLLibraryEGL::Init(nsACString* cons
END_OF_SYMBOLS};
(void)fnLoadSymbols(symbols);
}
+ {
+ const SymLoadStruct symbols[] = {SYMBOL(GetPlatformDisplay),
+ END_OF_SYMBOLS};
+ (void)fnLoadSymbols(symbols);
+ }
return true;
}
@@ -806,7 +825,9 @@ std::shared_ptr<EglDisplay> GLLibraryEGL
#ifdef MOZ_WAYLAND
// Some drivers doesn't support EGL_DEFAULT_DISPLAY
GdkDisplay* gdkDisplay = gdk_display_get_default();
- if (widget::GdkIsWaylandDisplay(gdkDisplay)) {
+ if (!gdkDisplay) {
+ ret = GetAndInitSurfacelessDisplay(*this, aProofOfLock);
+ } else if (widget::GdkIsWaylandDisplay(gdkDisplay)) {
nativeDisplay = widget::WaylandDisplayGetWLDisplay(gdkDisplay);
if (!nativeDisplay) {
NS_WARNING("Failed to get wl_display.");
@@ -814,7 +835,9 @@ std::shared_ptr<EglDisplay> GLLibraryEGL
}
}
#endif
- ret = GetAndInitDisplay(*this, nativeDisplay, aProofOfLock);
+ if (!ret) {
+ ret = GetAndInitDisplay(*this, nativeDisplay, aProofOfLock);
+ }
}
if (!ret) {
diff -up firefox-101.0/gfx/gl/GLLibraryEGL.h.D147420.diff firefox-101.0/gfx/gl/GLLibraryEGL.h
--- firefox-101.0/gfx/gl/GLLibraryEGL.h.D147420.diff 2022-05-27 01:16:54.000000000 +0200
+++ firefox-101.0/gfx/gl/GLLibraryEGL.h 2022-06-07 09:01:17.487787806 +0200
@@ -107,6 +107,7 @@ enum class EGLExtension {
EXT_buffer_age,
KHR_partial_update,
NV_robustness_video_memory_purge,
+ MESA_platform_surfaceless,
Max
};
diff -up firefox-101.0/widget/gtk/DMABufSurface.cpp.D147420.diff firefox-101.0/widget/gtk/DMABufSurface.cpp
--- firefox-101.0/widget/gtk/DMABufSurface.cpp.D147420.diff 2022-06-07 09:01:17.486787773 +0200
+++ firefox-101.0/widget/gtk/DMABufSurface.cpp 2022-06-07 09:01:17.487787806 +0200
@@ -1259,7 +1259,7 @@ bool DMABufSurfaceYUV::VerifyTextureCrea
nsCString discardFailureId;
sSnapshotContext = GLContextProvider::CreateHeadless({}, &discardFailureId);
if (!sSnapshotContext) {
- NS_WARNING("Failed to create snapshot GLContext");
+ LOGDMABUF((" failed to create snapshot GLContext"));
return false;
}
}
@@ -1268,10 +1268,12 @@ bool DMABufSurfaceYUV::VerifyTextureCrea
for (int i = 0; i < mBufferPlaneCount; i++) {
if (!CreateEGLImage(sSnapshotContext, i)) {
+ LOGDMABUF((" failed to create EGL image!"));
return false;
}
}
+ LOGDMABUF((" success"));
return true;
}
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