Add get_vertex_attrib_parameter_f32_slice

Signed-off-by: sagudev <[email protected]>

src/lib.rs

@@ -1569,6 +1569,13 @@ pub trait HasContext: __private::Sealed {
 
     unsafe fn vertex_attrib_divisor(&self, index: u32, divisor: u32);
 
+    unsafe fn get_vertex_attrib_parameter_f32_slice(
+        &self,
+        index: u32,
+        pname: u32,
+        result: &mut [f32],
+    );
+
     unsafe fn vertex_attrib_pointer_f32(
         &self,
         index: u32,

src/native.rs

@@ -3498,6 +3498,16 @@ impl HasContext for Context {
         gl.VertexAttribDivisor(index, divisor);
     }
 
+    unsafe fn get_vertex_attrib_parameter_f32_slice(
+        &self,
+        index: u32,
+        pname: u32,
+        result: &mut [f32],
+    ) {
+        let gl = &self.raw;
+        gl.GetVertexAttribfv(index, pname, result.as_mut_ptr());
+    }
+
     unsafe fn vertex_attrib_pointer_f32(
         &self,
         index: u32,

src/web_sys.rs

@@ -5161,6 +5161,25 @@ impl HasContext for Context {
         }
     }
 
+    unsafe fn get_vertex_attrib_parameter_f32_slice(
+        &self,
+        index: u32,
+        pname: u32,
+        result: &mut [f32],
+    ) {
+        let value = match self.raw {
+            RawRenderingContext::WebGl1(ref gl) => gl.get_vertex_attrib(index, pname),
+            RawRenderingContext::WebGl2(ref gl) => gl.get_vertex_attrib(index, pname),
+        }
+        .unwrap();
+        use wasm_bindgen::JsCast;
+        if let Some(value) = value.as_f64() {
+            result[0] = value as f32;
+        } else if let Some(values) = value.dyn_ref::<js_sys::Float32Array>() {
+            values.copy_to(result)
+        }
+    }
+
     unsafe fn vertex_attrib_pointer_f32(
         &self,
         index: u32,