tor-browser

commit ffe33fa3dfc65212a9f80f19c3f853c7618a47e4
parent 58c3eb48f98aef9d73bfb2d5cb17ca07ca5a376a
Author: Nicolas Silva <nical@fastmail.com>
Date:   Mon, 13 Oct 2025 15:01:51 +0000

Bug 1978773 - Enable precise conic gradients (GPU-only). r=gfx-reviewers,lsalzman

A followup patch will enable this for SWGL.

Differential Revision: https://phabricator.services.mozilla.com/D266821

Diffstat:
M
gfx/wr/wrench/reftests/gradient/reftest.list
 | 
2
+-
M
gfx/wr/wrench/src/wrench.rs
 | 
1
+
M
modules/libpref/init/StaticPrefList.yaml
 | 
2
+-

3 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/gfx/wr/wrench/reftests/gradient/reftest.list b/gfx/wr/wrench/reftests/gradient/reftest.list
@@ -90,7 +90,7 @@ fuzzy(255,429) == conic-angle.yaml conic-angle.png
 == conic-center.yaml conic-center.png
 fuzzy(1,2) == conic-angle-wraparound.yaml conic-angle.yaml
 fuzzy-if(env(android,device),255,155) fuzzy-if(not(env(android,device)),1,5) == conic-angle-wraparound-negative.yaml conic-angle.yaml # Android device is Samsung Galaxy A51
-fuzzy(1,1200) == conic-color-wheel.yaml conic-color-wheel.png
+fuzzy(4,61900) == conic-color-wheel.yaml conic-color-wheel.png
 
 # gradient caching tests
 # replaces a computed gradient by a sampled texture, so a lot of off-by-one
diff --git a/gfx/wr/wrench/src/wrench.rs b/gfx/wr/wrench/src/wrench.rs
@@ -281,6 +281,7 @@ impl Wrench {
             compositor_config,
             enable_debugger: true,
             precise_radial_gradients: true,
+            precise_conic_gradients: !window.is_software(),
             ..Default::default()
         };
 
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
@@ -8132,7 +8132,7 @@
 - name: gfx.webrender.precise-conic-gradients
   type: bool
   rust: true
-  value: false
+  value: true
   mirror: once
 
 # Use a more precise method for sampling gradients when using SWGL.