From 282b791acb826de9b537fce88bf49472d8e19977 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Sat, 25 Jan 2020 21:26:24 +0100
Subject: Issue #1360 - Part 1: Simplify layers acceleration prefs.

This gets rid of platform-dependent hard-coded defaults, but keeps
build-time blocking if there is no GL provider (in which case layers
acceleration almost certainly won't work because it needs a GL
compositor and would likely crash without)

New prefs are
- layers.acceleration.enabled to enable HWA
- layers.acceleration.force to force it enabled (requires .enabled to be
  set as well)

This is the platform part of this issue. The rest will be front-end work
(Preference UI integration and pref migration)
---
 gfx/thebes/gfxWindowsPlatform.h | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'gfx/thebes/gfxWindowsPlatform.h')

diff --git a/gfx/thebes/gfxWindowsPlatform.h b/gfx/thebes/gfxWindowsPlatform.h
index 129365f82..b56dab338 100644
--- a/gfx/thebes/gfxWindowsPlatform.h
+++ b/gfx/thebes/gfxWindowsPlatform.h
@@ -226,9 +226,6 @@ public:
     bool SupportsPluginDirectDXGIDrawing();
 
 protected:
-    bool AccelerateLayersByDefault() override {
-      return true;
-    }
     void GetAcceleratedCompositorBackends(nsTArray<mozilla::layers::LayersBackend>& aBackends) override;
     virtual void GetPlatformCMSOutputProfile(void* &mem, size_t &size) override;
 
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