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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/rust/wpf-gpu-raster/src/fix.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/wpf-gpu-raster/src/fix.rs')
-rw-r--r--third_party/rust/wpf-gpu-raster/src/fix.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/third_party/rust/wpf-gpu-raster/src/fix.rs b/third_party/rust/wpf-gpu-raster/src/fix.rs
new file mode 100644
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+++ b/third_party/rust/wpf-gpu-raster/src/fix.rs
@@ -0,0 +1,9 @@
+use crate::types::*;
+type FIX4 = INT; // 28.4 fixed point value
+
+// constants for working with 28.4 fixed point values
+macro_rules! FIX4_SHIFT { () => { 4 } }
+macro_rules! FIX4_PRECISION { () => { 4 } }
+macro_rules! FIX4_ONE { () => { (1 << FIX4_PRECISION!()) } }
+macro_rules! FIX4_HALF { () => { (1 << (FIX4_PRECISION!()-1)) } }
+macro_rules! FIX4_MASK { () => { (FIX4_ONE!() - 1) } } \ No newline at end of file