summaryrefslogtreecommitdiffstats
path: root/gfx/thebes/gfxEnv.h
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxEnv.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/gfxEnv.h')
-rw-r--r--gfx/thebes/gfxEnv.h123
1 files changed, 123 insertions, 0 deletions
diff --git a/gfx/thebes/gfxEnv.h b/gfx/thebes/gfxEnv.h
new file mode 100644
index 000000000..18c109151
--- /dev/null
+++ b/gfx/thebes/gfxEnv.h
@@ -0,0 +1,123 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_ENV_H
+#define GFX_ENV_H
+
+#include "prenv.h"
+
+// To register the check for an environment variable existence (and not empty),
+// add a line in this file using the DECL_GFX_ENV macro.
+//
+// For example this line in the .h:
+// DECL_GFX_ENV("MOZ_DISABLE_CONTEXT_SHARING_GLX",DisableContextSharingGLX);
+// means that you can call
+// bool var = gfxEnv::DisableContextSharingGLX();
+// and that the value will be checked only once, first time we call it, then cached.
+
+#define DECL_GFX_ENV(Env, Name) \
+ static bool Name() { \
+ static bool isSet = IsEnvSet(Env);\
+ return isSet; \
+ }
+
+class gfxEnv final
+{
+public:
+ // This is where DECL_GFX_ENV for each of the environment variables should go.
+ // We will keep these in an alphabetical order by the environment variable,
+ // to make it easier to see if a method accessing an entry already exists.
+ // Just insert yours in the list.
+
+ // Debugging inside of ContainerLayerComposite
+ DECL_GFX_ENV("DUMP_DEBUG", DumpDebug);
+
+ // OpenGL shader debugging in OGLShaderProgram, in DEBUG only
+ DECL_GFX_ENV("MOZ_DEBUG_SHADERS", DebugShaders);
+
+ // Disabling context sharing in GLContextProviderGLX
+ DECL_GFX_ENV("MOZ_DISABLE_CONTEXT_SHARING_GLX", DisableContextSharingGlx);
+
+ // Disabling the crash guard in DriverCrashGuard
+ DECL_GFX_ENV("MOZ_DISABLE_CRASH_GUARD", DisableCrashGuard);
+ DECL_GFX_ENV("MOZ_FORCE_CRASH_GUARD_NIGHTLY", ForceCrashGuardNightly);
+
+ // We force present to work around some Windows bugs - disable that if this
+ // environment variable is set.
+ DECL_GFX_ENV("MOZ_DISABLE_FORCE_PRESENT", DisableForcePresent);
+
+ // Together with paint dumping, only when MOZ_DUMP_PAINTING is defined.
+ // Dumping compositor textures is broken pretty badly. For example,
+ // on Linux it crashes TextureHost::GetAsSurface() returns null.
+ // Expect to have to fix things like this if you turn it on.
+ // Meanwhile, content-side texture dumping
+ // (conditioned on DebugDumpPainting()) is a good replacement.
+ DECL_GFX_ENV("MOZ_DUMP_COMPOSITOR_TEXTURES", DumpCompositorTextures);
+
+ // Dumping the layer list in LayerSorter
+ DECL_GFX_ENV("MOZ_DUMP_LAYER_SORT_LIST", DumpLayerSortList);
+
+ // Paint dumping, only when MOZ_DUMP_PAINTING is defined.
+ DECL_GFX_ENV("MOZ_DUMP_PAINT", DumpPaint);
+ DECL_GFX_ENV("MOZ_DUMP_PAINT_INTERMEDIATE", DumpPaintIntermediate);
+ DECL_GFX_ENV("MOZ_DUMP_PAINT_ITEMS", DumpPaintItems);
+ DECL_GFX_ENV("MOZ_DUMP_PAINT_TO_FILE", DumpPaintToFile);
+
+ // Force double buffering in ContentClient
+ DECL_GFX_ENV("MOZ_FORCE_DOUBLE_BUFFERING", ForceDoubleBuffering);
+
+ // Force gfxDevCrash to use MOZ_CRASH in Beta and Release
+ DECL_GFX_ENV("MOZ_GFX_CRASH_MOZ_CRASH", GfxDevCrashMozCrash);
+ // Force gfxDevCrash to use telemetry in Nightly and Aurora
+ DECL_GFX_ENV("MOZ_GFX_CRASH_TELEMETRY", GfxDevCrashTelemetry);
+
+ DECL_GFX_ENV("MOZ_GFX_VR_NO_DISTORTION", VRNoDistortion);
+
+ // Debugging in GLContext
+ DECL_GFX_ENV("MOZ_GL_DEBUG", GlDebug);
+ DECL_GFX_ENV("MOZ_GL_DEBUG_VERBOSE", GlDebugVerbose);
+ DECL_GFX_ENV("MOZ_GL_DEBUG_ABORT_ON_ERROR", GlDebugAbortOnError);
+
+ // Count GL extensions
+ DECL_GFX_ENV("MOZ_GL_DUMP_EXTS", GlDumpExtensions);
+
+ // Very noisy GLContext and GLContextProviderELG
+ DECL_GFX_ENV("MOZ_GL_SPEW", GlSpew);
+
+ // Do extra work before and after each GLX call in GLContextProviderGLX
+ DECL_GFX_ENV("MOZ_GLX_DEBUG", GlxDebug);
+
+ // Use X compositing
+ DECL_GFX_ENV("MOZ_LAYERS_ENABLE_XLIB_SURFACES", LayersEnableXlibSurfaces);
+
+ // GL compositing on Windows
+ DECL_GFX_ENV("MOZ_LAYERS_PREFER_EGL", LayersPreferEGL);
+
+ // Offscreen GL context for main layer manager
+ DECL_GFX_ENV("MOZ_LAYERS_PREFER_OFFSCREEN", LayersPreferOffscreen);
+
+ // Stop the VR rendering
+ DECL_GFX_ENV("NO_VR_RENDERING", NoVRRendering);
+
+ // WARNING:
+ // Please make sure that you've added your new envvar to the list above in
+ // alphabetical order. Please do not just append it to the end of the list.
+
+private:
+ // Helper function, can be re-used in the other macros
+ static bool IsEnvSet(const char* aName) {
+ const char* val = PR_GetEnv(aName);
+ return (val != 0 && *val != '\0');
+ }
+
+ gfxEnv() {};
+ ~gfxEnv() {};
+ gfxEnv(const gfxEnv&) = delete;
+ gfxEnv& operator=(const gfxEnv&) = delete;
+};
+
+#undef DECL_GFX_ENV
+
+#endif /* GFX_ENV_H */