feat: add vulkan with new whisper.cpp structure

Co-authored-by: newfla <newfla@hotmail.it>

Cargo.toml

@@ -31,6 +31,7 @@ cuda = ["whisper-rs-sys/cuda", "_gpu"]
 hipblas = ["whisper-rs-sys/hipblas", "_gpu"]
 openblas = ["whisper-rs-sys/openblas"]
 metal = ["whisper-rs-sys/metal", "_gpu"]
+vulkan = ["whisper-rs-sys/vulkan", "_gpu"]
 _gpu = []
 test-with-tiny-model = []
 whisper-cpp-log = ["dep:log"]

README.md

@@ -74,6 +74,7 @@ All disabled by default unless otherwise specified.
 * `hipblas`: enable ROCm/hipBLAS support. Only available on linux. Implicitly enables hidden GPU flag at runtime.
 * `openblas`: enable OpenBLAS support.
 * `metal`: enable Metal support. Implicitly enables hidden GPU flag at runtime.
+* `vulkan`: enable Vulkan support. Implicitly enables hidden GPU flag at runtime.
 * `whisper-cpp-log`: allows hooking into whisper.cpp's log output and sending it to the `log` backend. Requires calling
 * `whisper-cpp-tracing`: allows hooking into whisper.cpp's log output and sending it to the `tracing` backend.
 

sys/Cargo.toml

@@ -45,6 +45,7 @@ cuda = []
 hipblas = []
 openblas = []
 metal = []
+vulkan = []
 force-debug = []
 openmp = []
 

sys/build.rs

@@ -166,6 +166,24 @@ fn main() {
         }
     }
 
+    if cfg!(feature = "vulkan") {
+        config.define("GGML_VULKAN", "ON");
+        if cfg!(windows) {
+            println!("cargo:rerun-if-env-changed=VULKAN_SDK");
+            println!("cargo:rustc-link-lib=vulkan-1");
+            let vulkan_path = match env::var("VULKAN_SDK") {
+                Ok(path) => PathBuf::from(path),
+                Err(_) => panic!(
+                    "Please install Vulkan SDK and ensure that VULKAN_SDK env variable is set"
+                ),
+            };
+            let vulkan_lib_path = vulkan_path.join("Lib");
+            println!("cargo:rustc-link-search={}", vulkan_lib_path.display());
+        } else {
+            println!("cargo:rustc-link-lib=vulkan");
+        }
+    }
+
     if cfg!(feature = "openblas") {
         config.define("GGML_BLAS", "ON");
     }

sys/whisper.cpp

@@ -1 +1 @@
-Subproject commit 4b7de08bfdc1bdd07d7727bc4f299b9bffec8f2a
+Subproject commit fe36c909715e6751277ddb020e7892c7670b61d4