Named buffer storage (#338)

* Add function call for NamedBufferStorage

* Fix webgl and formatting

* Fix formatting

---------

Co-authored-by: dhyces <10985914+dhyces@users.noreply.github.com>

src/lib.rs

@@ -638,6 +638,14 @@ pub trait HasContext: __private::Sealed {
 
     unsafe fn buffer_storage(&self, target: u32, size: i32, data: Option<&[u8]>, flags: u32);
 
+    unsafe fn named_buffer_storage(
+        &self,
+        target: Self::Buffer,
+        size: i32,
+        data: Option<&[u8]>,
+        flags: u32,
+    );
+
     unsafe fn check_framebuffer_status(&self, target: u32) -> u32;
 
     unsafe fn check_named_framebuffer_status(

src/native.rs

@@ -1496,6 +1496,17 @@ impl HasContext for Context {
             gl.BufferStorageEXT(target, size, data, flags);
         }
     }
+    unsafe fn named_buffer_storage(
+        &self,
+        buffer: Self::Buffer,
+        size: i32,
+        data: Option<&[u8]>,
+        flags: u32,
+    ) {
+        let gl = &self.raw;
+        let data = data.map(|p| p.as_ptr()).unwrap_or(std::ptr::null()) as *const std::ffi::c_void;
+        gl.NamedBufferStorage(buffer.0.get(), size as isize, data, flags);
+    }
 
     unsafe fn check_framebuffer_status(&self, target: u32) -> u32 {
         let gl = &self.raw;

src/web_sys.rs

@@ -2760,6 +2760,16 @@ impl HasContext for Context {
         panic!("Buffer storage is not supported");
     }
 
+    unsafe fn named_buffer_storage(
+        &self,
+        buffer: Self::Buffer,
+        size: i32,
+        data: Option<&[u8]>,
+        flags: u32,
+    ) {
+        panic!("Named buffer storage is not supported");
+    }
+
     unsafe fn check_framebuffer_status(&self, target: u32) -> u32 {
         match self.raw {
             RawRenderingContext::WebGl1(ref gl) => gl.check_framebuffer_status(target),