feat: graphics bindings

Author: technobaboo

openxr/src/graphics/opengl.rs

@@ -118,6 +118,35 @@ impl Graphics for OpenGL {
                 ))?;
                 Ok(out)
             }
+            SessionCreateInfo::Egl {
+                display,
+                config,
+                context,
+                get_proc_address,
+            } => {
+                let binding = sys::GraphicsBindingEGLMNDX {
+                    ty: sys::GraphicsBindingEGLMNDX::TYPE,
+                    next: ptr::null(),
+                    display,
+                    config,
+                    context,
+                    get_proc_address: Some(get_proc_address),
+                };
+                let info = sys::SessionCreateInfo {
+                    ty: sys::SessionCreateInfo::TYPE,
+                    next: &binding as *const _ as *const _,
+                    create_flags: Default::default(),
+                    system_id: system,
+                };
+                let mut out = sys::Session::NULL;
+                cvt((instance.fp().create_session)(
+                    instance.as_raw(),
+                    &info,
+                    &mut out,
+                ))?;
+
+                Ok(out)
+            }
         }
     }
 
@@ -150,6 +179,12 @@ pub struct Requirements {
 }
 
 pub enum SessionCreateInfo {
+    Egl {
+        display: EGLDisplay,
+        config: EGLConfig,
+        context: EGLContext,
+        get_proc_address: EglGetProcAddressMNDX,
+    },
     Xlib {
         x_display: *mut Display,
         visualid: u32,

openxr/src/graphics/opengles.rs

@@ -1,6 +1,5 @@
 use std::ptr;
 
-#[cfg(target_os = "android")]
 use sys::platform::*;
 
 use crate::*;
@@ -73,6 +72,35 @@ impl Graphics for OpenGlEs {
                     &mut out,
                 ))?;
 
+                Ok(out)
+            }
+            SessionCreateInfo::Egl {
+                display,
+                config,
+                context,
+                get_proc_address,
+            } => {
+                let binding = sys::GraphicsBindingEGLMNDX {
+                    ty: sys::GraphicsBindingEGLMNDX::TYPE,
+                    next: ptr::null(),
+                    display,
+                    config,
+                    context,
+                    get_proc_address: Some(get_proc_address),
+                };
+                let info = sys::SessionCreateInfo {
+                    ty: sys::SessionCreateInfo::TYPE,
+                    next: &binding as *const _ as *const _,
+                    create_flags: Default::default(),
+                    system_id: system,
+                };
+                let mut out = sys::Session::NULL;
+                cvt((instance.fp().create_session)(
+                    instance.as_raw(),
+                    &info,
+                    &mut out,
+                ))?;
+
                 Ok(out)
             }
         }
@@ -113,4 +141,10 @@ pub enum SessionCreateInfo {
         config: EGLConfig,
         context: EGLContext,
     },
+    Egl {
+        display: EGLDisplay,
+        config: EGLConfig,
+        context: EGLContext,
+        get_proc_address: EglGetProcAddressMNDX,
+    },
 }