tor-browser

commit 615bbf309838c1b6cf66796f1d6f4bce450f7815
parent 0ca69d4f07297d74741d096c3745c82b448db32f
Author: Nicolas Silva <nical@fastmail.com>
Date:   Tue,  9 Dec 2025 08:19:05 +0000

Bug 2000393 - Add YuvPrimitive. r=gw

Differential Revision: https://phabricator.services.mozilla.com/D272812

Diffstat:
M
gfx/wr/webrender/src/gpu_types.rs
 | 
18
++++++++++++++++++
M
gfx/wr/webrender/src/prim_store/image.rs
 | 
15
++++++---------

2 files changed, 24 insertions(+), 9 deletions(-)
diff --git a/gfx/wr/webrender/src/gpu_types.rs b/gfx/wr/webrender/src/gpu_types.rs
@@ -1132,6 +1132,24 @@ impl GpuBufferDataF for BrushSegmentGpuData {
     }
 }
 
+/// Matches YuvPrimitive in yuv.glsl
+pub struct YuvPrimitive {
+    pub channel_bit_depth: u32,
+    pub color_space: YuvRangedColorSpace,
+    pub yuv_format: YuvFormat,
+}
+
+impl GpuBufferDataF for YuvPrimitive {
+    const NUM_BLOCKS: usize = 1;
+    fn write(&self, writer: &mut GpuBufferWriterF) {
+        writer.push_one([
+            pack_as_float(self.channel_bit_depth),
+            pack_as_float(self.color_space as u32),
+            pack_as_float(self.yuv_format as u32),
+            0.0
+        ]);
+    }
+}
 
 // Set the local -> world transform for a given spatial
 // node in the transform palette.
diff --git a/gfx/wr/webrender/src/prim_store/image.rs b/gfx/wr/webrender/src/prim_store/image.rs
@@ -10,7 +10,7 @@ use api::{
 use api::units::*;
 use euclid::point2;
 use crate::composite::CompositorSurfaceKind;
-use crate::gpu_types::ImageBrushPrimitiveData;
+use crate::gpu_types::{ImageBrushPrimitiveData, YuvPrimitive};
 use crate::renderer::{GpuBufferBuilderF, GpuBufferWriterF};
 use crate::scene_building::{CreateShadow, IsVisible};
 use crate::frame_builder::{FrameBuildingContext, FrameBuildingState};
@@ -29,7 +29,6 @@ use crate::render_task_cache::{
     RenderTaskCacheKey, RenderTaskCacheKeyKind, RenderTaskParent
 };
 use crate::resource_cache::{ImageRequest, ImageProperties, ResourceCache};
-use crate::util::pack_as_float;
 use crate::visibility::{PrimitiveVisibility, compute_conservative_visible_rect};
 use crate::spatial_tree::SpatialNodeIndex;
 use crate::image_tiling;
@@ -711,13 +710,11 @@ impl YuvImageData {
     }
 
     pub fn write_prim_gpu_blocks(&self, writer: &mut GpuBufferWriterF) {
-        let ranged_color_space = self.color_space.with_range(self.color_range);
-        writer.push_one([
-            pack_as_float(self.color_depth.bit_depth()),
-            pack_as_float(ranged_color_space as u32),
-            pack_as_float(self.format as u32),
-            0.0
-        ]);
+        writer.push(&YuvPrimitive {
+            channel_bit_depth: self.color_depth.bit_depth(),
+            color_space: self.color_space.with_range(self.color_range),
+            yuv_format: self.format,
+        });
     }
 }