Add glGetFramebufferAttachmentParameter and `glGetFramebufferParame…

…ter`
grovesNL · Aug 9, 2024 · 03ed28e · 03ed28e
1 parent ec1f7d7
commit 03ed28e
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Showing 3 changed files with 116 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -889,6 +889,28 @@ pub trait HasContext: __private::Sealed {
 
     unsafe fn get_parameter_string(&self, parameter: u32) -> String;
 
+    unsafe fn get_framebuffer_parameter_i32(&self, target: u32, parameter: u32) -> i32;
+
+    unsafe fn get_named_framebuffer_parameter_i32(
+        &self,
+        framebuffer: Option<Self::Framebuffer>,
+        parameter: u32,
+    ) -> i32;
+
+    unsafe fn get_framebuffer_attachment_parameter_i32(
+        &self,
+        target: u32,
+        attachment: u32,
+        parameter: u32,
+    ) -> i32;
+
+    unsafe fn get_named_framebuffer_attachment_parameter_i32(
+        &self,
+        framebuffer: Option<Self::Framebuffer>,
+        attachment: u32,
+        parameter: u32,
+    ) -> i32;
+
     unsafe fn get_active_uniform_block_parameter_i32(
         &self,
         program: Self::Program,

diff --git a/src/native.rs b/src/native.rs
@@ -2015,6 +2015,57 @@ impl HasContext for Context {
             .to_owned()
     }
 
+    unsafe fn get_framebuffer_parameter_i32(&self, target: u32, parameter: u32) -> i32 {
+        let gl = &self.raw;
+        let mut value = 0;
+        gl.GetFramebufferParameteriv(target, parameter, &mut value);
+        value
+    }
+
+    unsafe fn get_named_framebuffer_parameter_i32(
+        &self,
+        framebuffer: Option<Self::Framebuffer>,
+        parameter: u32,
+    ) -> i32 {
+        let gl = &self.raw;
+        let mut value = 0;
+        gl.GetNamedFramebufferParameteriv(
+            framebuffer.map(|f| f.0.get()).unwrap_or(0),
+            parameter,
+            &mut value,
+        );
+        value
+    }
+
+    unsafe fn get_framebuffer_attachment_parameter_i32(
+        &self,
+        target: u32,
+        attachment: u32,
+        parameter: u32,
+    ) -> i32 {
+        let gl = &self.raw;
+        let mut value = 0;
+        gl.GetFramebufferAttachmentParameteriv(target, attachment, parameter, &mut value);
+        value
+    }
+
+    unsafe fn get_named_framebuffer_attachment_parameter_i32(
+        &self,
+        framebuffer: Option<Self::Framebuffer>,
+        attachment: u32,
+        parameter: u32,
+    ) -> i32 {
+        let gl = &self.raw;
+        let mut value = 0;
+        gl.GetNamedFramebufferAttachmentParameteriv(
+            framebuffer.map(|f| f.0.get()).unwrap_or(0),
+            attachment,
+            parameter,
+            &mut value,
+        );
+        value
+    }
+
     unsafe fn get_uniform_location(
         &self,
         program: Self::Program,

diff --git a/src/web_sys.rs b/src/web_sys.rs
@@ -3404,6 +3404,49 @@ impl HasContext for Context {
         .unwrap_or_else(|| String::from(""))
     }
 
+    unsafe fn get_framebuffer_parameter_i32(&self, _target: u32, _parameter: u32) -> i32 {
+        panic!("Get framebuffer parameter is not supported");
+    }
+
+    unsafe fn get_named_framebuffer_parameter_i32(
+        &self,
+        _framebuffer: Option<Self::Framebuffer>,
+        _parameter: u32,
+    ) -> i32 {
+        panic!("Named framebuffers are  not supported");
+    }
+
+    unsafe fn get_framebuffer_attachment_parameter_i32(
+        &self,
+        target: u32,
+        attachment: u32,
+        parameter: u32,
+    ) -> i32 {
+        match self.raw {
+            RawRenderingContext::WebGl1(ref gl) => {
+                gl.get_framebuffer_attachment_parameter(target, attachment, parameter)
+            }
+            RawRenderingContext::WebGl2(ref gl) => {
+                gl.get_framebuffer_attachment_parameter(target, attachment, parameter)
+            }
+        }
+        .unwrap()
+        .as_f64()
+        .map(|v| v as i32)
+        // Errors will be caught by the browser or through `get_error`
+        // so return a default instead
+        .unwrap_or(0)
+    }
+
+    unsafe fn get_named_framebuffer_attachment_parameter_i32(
+        &self,
+        _framebuffer: Option<Self::Framebuffer>,
+        _attachment: u32,
+        _parameter: u32,
+    ) -> i32 {
+        panic!("Named framebuffers are  not supported");
+    }
+
     unsafe fn get_uniform_location(
         &self,
         program: Self::Program,