fix double free

librashader-common/src/lib.rs

@@ -27,6 +27,12 @@ use num_traits::AsPrimitive;
 use std::convert::Infallible;
 use std::str::FromStr;
 
+#[derive(Debug, Clone)]
+pub enum ShaderStorage {
+    Path(std::path::PathBuf),
+    String(String),
+}
+
 #[repr(u32)]
 #[derive(Default, Copy, Clone, Debug, Eq, PartialEq, Hash)]
 /// Supported image formats for textures.

librashader-preprocess/src/lib.rs

@@ -17,7 +17,6 @@ use crate::include::read_source;
 pub use error::*;
 use librashader_common::ImageFormat;
 use rustc_hash::FxHashMap;
-use std::path::Path;
 
 /// The source file for a single shader pass.
 #[derive(Debug, Clone, PartialEq)]
@@ -58,8 +57,8 @@ pub struct ShaderParameter {
 impl ShaderSource {
     /// Load the source file at the given path, resolving includes relative to the location of the
     /// source file.
-    pub fn load(path: impl AsRef<Path>) -> Result<ShaderSource, PreprocessError> {
+    pub fn load(file: &librashader_common::ShaderStorage) -> Result<ShaderSource, PreprocessError> {
-        load_shader_source(path)
+        load_shader_source(file)
     }
 }
 
@@ -78,8 +77,14 @@ impl SourceOutput for String {
     }
 }
 
-pub(crate) fn load_shader_source(path: impl AsRef<Path>) -> Result<ShaderSource, PreprocessError> {
+pub(crate) fn load_shader_source(
-    let source = read_source(path)?;
+    file: &librashader_common::ShaderStorage,
+) -> Result<ShaderSource, PreprocessError> {
+    let source = match file {
+        librashader_common::ShaderStorage::Path(path) => read_source(path)?,
+        librashader_common::ShaderStorage::String(s) => s.to_string(),
+    };
+
     let meta = pragma::parse_pragma_meta(&source)?;
     let text = stage::process_stages(&source)?;
     let parameters = FxHashMap::from_iter(meta.parameters.into_iter().map(|p| (p.id.clone(), p)));

librashader-presets/src/parse/preset.rs

@@ -114,7 +114,7 @@ pub fn resolve_values(mut values: Vec<Value>) -> ShaderPreset {
 
             let shader = ShaderPassConfig {
                 id,
-                name,
+                name: librashader_common::ShaderStorage::Path(name),
                 alias: shader_values.iter().find_map(|f| match f {
                     Value::Alias(_, value) => Some(value.to_string()),
                     _ => None,

librashader-presets/src/preset.rs

@@ -10,7 +10,7 @@ pub struct ShaderPassConfig {
     /// The index of the shader pass relative to its parent preset.
     pub id: i32,
     /// The fully qualified path to the shader pass source file.
-    pub name: PathBuf,
+    pub name: librashader_common::ShaderStorage,
     /// The alias of the shader pass if available.
     pub alias: Option<String>,
     /// The filtering mode that this shader pass should expect.

librashader-runtime-vk/src/memory.rs

@@ -186,9 +186,6 @@ impl Drop for RawVulkanBuffer {
     fn drop(&mut self) {
         unsafe {
             ManuallyDrop::drop(&mut self.buffer);
-            if self.buffer.handle != vk::Buffer::null() {
-                self.buffer.device.destroy_buffer(self.buffer.handle, None);
-            }
         }
     }
 }