Add get_parameter_bool

Signed-off-by: sagudev <[email protected]>
grovesNL · Sep 25, 2024 · 32a9ac1 · 32a9ac1
1 parent cba8089
commit 32a9ac1
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Showing 3 changed files with 22 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -885,6 +885,9 @@ pub trait HasContext: __private::Sealed {
 
     unsafe fn get_buffer_parameter_i32(&self, target: u32, parameter: u32) -> i32;
 
+    #[doc(alias = "glGetBooleanv")]
+    unsafe fn get_parameter_bool(&self, parameter: u32) -> bool;
+
     #[doc(alias = "glGetIntegerv")]
     unsafe fn get_parameter_i32(&self, parameter: u32) -> i32;
 

diff --git a/src/native.rs b/src/native.rs
@@ -1987,6 +1987,13 @@ impl HasContext for Context {
         value
     }
 
+    unsafe fn get_parameter_bool(&self, parameter: u32) -> bool {
+        let gl = &self.raw;
+        let mut value = 0;
+        gl.GetBooleanv(parameter, &mut value);
+        value != FALSE
+    }
+
     unsafe fn get_parameter_i32(&self, parameter: u32) -> i32 {
         let gl = &self.raw;
         let mut value = 0;

diff --git a/src/web_sys.rs b/src/web_sys.rs
@@ -3324,6 +3324,18 @@ impl HasContext for Context {
         .unwrap_or(0)
     }
 
+    unsafe fn get_parameter_bool(&self, parameter: u32) -> bool {
+        match self.raw {
+            RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),
+            RawRenderingContext::WebGl2(ref gl) => gl.get_parameter(parameter),
+        }
+        .unwrap()
+        .as_bool()
+        // Errors will be caught by the browser or through `get_error`
+        // so return a default instead
+        .unwrap_or(false)
+    }
+
     unsafe fn get_parameter_i32(&self, parameter: u32) -> i32 {
         match self.raw {
             RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),