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-rw-r--r--src/egl/mod.rs150
1 files changed, 150 insertions, 0 deletions
diff --git a/src/egl/mod.rs b/src/egl/mod.rs
new file mode 100644
index 0000000..22ede27
--- /dev/null
+++ b/src/egl/mod.rs
@@ -0,0 +1,150 @@
+use {Event, Hints, MonitorID};
+
+mod ffi;
+
+pub struct Window {
+ display: ffi::EGLDisplay,
+ context: ffi::EGLContext,
+ //surface: ffi::EGLSurface,
+}
+
+impl Window {
+ pub fn new(_dimensions: Option<(uint, uint)>, _title: &str,
+ _hints: &Hints, _monitor: Option<MonitorID>)
+ -> Result<Window, String>
+ {
+ use std::{mem, ptr};
+
+ let display = unsafe {
+ let display = ffi::eglGetDisplay(mem::transmute(ffi::EGL_DEFAULT_DISPLAY));
+ if display.is_null() {
+ return Err("No EGL display connection available".to_string());
+ }
+ display
+ };
+
+ let (_major, _minor) = unsafe {
+ let mut major: ffi::EGLint = mem::uninitialized();
+ let mut minor: ffi::EGLint = mem::uninitialized();
+
+ if ffi::eglInitialize(display, &mut major, &mut minor) != ffi::EGL_TRUE {
+ return Err(format!("eglInitialize failed"))
+ }
+
+ (major, minor)
+ };
+
+ let config = unsafe {
+ let attribute_list = [
+ ffi::EGL_RED_SIZE, 1,
+ ffi::EGL_GREEN_SIZE, 1,
+ ffi::EGL_BLUE_SIZE, 1,
+ ffi::EGL_NONE
+ ];
+
+ let mut num_config: ffi::EGLint = mem::uninitialized();
+ let mut config: ffi::EGLConfig = mem::uninitialized();
+ if ffi::eglChooseConfig(display, attribute_list.as_ptr(), &mut config, 1,
+ &mut num_config) != ffi::EGL_TRUE
+ {
+ return Err(format!("eglChooseConfig failed"))
+ }
+
+ if num_config <= 0 {
+ return Err(format!("eglChooseConfig returned no available config"))
+ }
+
+ config
+ };
+
+ let context = unsafe {
+ let context = ffi::eglCreateContext(display, config, ptr::null(), ptr::null());
+ if context.is_null() {
+ return Err(format!("eglCreateContext failed"))
+ }
+ context
+ };
+
+ /*let surface = unsafe {
+ let surface = ffi::eglCreateWindowSurface(display, config, native_window, ptr::null());
+ if surface.is_null() {
+ return Err(format!("eglCreateWindowSurface failed"))
+ }
+ surface
+ };*/
+
+ Ok(Window {
+ display: display,
+ context: context,
+ //surface: surface,
+ })
+ }
+
+ pub fn is_closed(&self) -> bool {
+ false
+ }
+
+ pub fn set_title(&self, _: &str) {
+ }
+
+ pub fn get_position(&self) -> Option<(int, int)> {
+ None
+ }
+
+ pub fn set_position(&self, _x: uint, _y: uint) {
+ }
+
+ pub fn get_inner_size(&self) -> Option<(uint, uint)> {
+ unimplemented!()
+ }
+
+ pub fn get_outer_size(&self) -> Option<(uint, uint)> {
+ unimplemented!()
+ }
+
+ pub fn set_inner_size(&self, _x: uint, _y: uint) {
+ }
+
+ pub fn poll_events(&self) -> Vec<Event> {
+ Vec::new()
+ }
+
+ pub fn wait_events(&self) -> Vec<Event> {
+ Vec::new()
+ }
+
+ pub fn make_current(&self) {
+ unimplemented!()
+ /*unsafe {
+ ffi::eglMakeCurrent(self.display, self.surface, self.surface, self.context);
+ }*/
+ }
+
+ pub fn get_proc_address(&self, addr: &str) -> *const () {
+ use std::c_str::ToCStr;
+
+ unsafe {
+ addr.with_c_str(|s| {
+ ffi::eglGetProcAddress(s) as *const ()
+ })
+ }
+ }
+
+ pub fn swap_buffers(&self) {
+ unimplemented!()
+ /*unsafe {
+ ffi::eglSwapBuffers(self.display, self.surface);
+ }*/
+ }
+}
+
+#[unsafe_destructor]
+impl Drop for Window {
+ fn drop(&mut self) {
+ unsafe {
+ //ffi::eglDestroySurface(self.display, self.surface);
+ ffi::eglDestroyContext(self.display, self.context);
+ ffi::eglTerminate(self.display);
+ }
+ }
+}