feat: finish ghostty pane backend integration

1 files changed, 53 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/src/simd/index_of.cpp b/vendor/libghostty-vt/src/simd/index_of.cpp
new file mode 100644
index 00000000..b070ae3b
--- /dev/null
+++ b/vendor/libghostty-vt/src/simd/index_of.cpp
@@ -0,0 +1,53 @@
+// Generates code for every target that this compiler can support.
+#undef HWY_TARGET_INCLUDE
+#define HWY_TARGET_INCLUDE "simd/index_of.cpp"  // this file
+#include <hwy/foreach_target.h>                 // must come before highway.h
+#include <hwy/highway.h>
+
+#include <simd/index_of.h>
+
+#include <optional>
+
+HWY_BEFORE_NAMESPACE();
+namespace ghostty {
+namespace HWY_NAMESPACE {
+
+namespace hn = hwy::HWY_NAMESPACE;
+
+size_t IndexOf(const uint8_t needle,
+               const uint8_t* HWY_RESTRICT input,
+               size_t count) {
+  const hn::ScalableTag<uint8_t> d;
+  return IndexOfImpl(d, needle, input, count);
+}
+
+}  // namespace HWY_NAMESPACE
+}  // namespace ghostty
+HWY_AFTER_NAMESPACE();
+
+// HWY_ONCE is true for only one of the target passes
+#if HWY_ONCE
+
+namespace ghostty {
+
+// This macro declares a static array used for dynamic dispatch.
+HWY_EXPORT(IndexOf);
+
+size_t IndexOf(const uint8_t needle,
+               const uint8_t* HWY_RESTRICT input,
+               size_t count) {
+  return HWY_DYNAMIC_DISPATCH(IndexOf)(needle, input, count);
+}
+
+}  // namespace ghostty
+
+extern "C" {
+
+size_t ghostty_simd_index_of(const uint8_t needle,
+                             const uint8_t* HWY_RESTRICT input,
+                             size_t count) {
+  return ghostty::IndexOf(needle, input, count);
+}
+}
+
+#endif  // HWY_ONCE