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authortomaka <pierre.krieger1708@gmail.com>2015-04-30 17:32:53 +0200
committertomaka <pierre.krieger1708@gmail.com>2015-04-30 17:32:53 +0200
commitd3fbbfb7a777f8f7b6a39b66dd982cbc8cb802ba (patch)
treedd5d06aa46a1e18f0b93c2960dacc2cea9c81982
parenta08388bca1ca275fd1455ceae26ab06c02c81111 (diff)
parentaa58f4149a65783b07c0dc401b5854ed80c4915e (diff)
downloadglutin-d3fbbfb7a777f8f7b6a39b66dd982cbc8cb802ba.tar.gz
glutin-d3fbbfb7a777f8f7b6a39b66dd982cbc8cb802ba.zip
Merge pull request #412 from tomaka/glcontext-trait
Add a GlContext trait
-rw-r--r--src/api/caca/mod.rs72
-rw-r--r--src/api/cocoa/headless.rs18
-rw-r--r--src/api/cocoa/mod.rs85
-rw-r--r--src/api/egl/mod.rs23
-rw-r--r--src/api/glx/mod.rs22
-rw-r--r--src/api/osmesa/mod.rs26
-rw-r--r--src/api/win32/mod.rs79
-rw-r--r--src/api/x11/mod.rs91
-rw-r--r--src/headless.rs28
-rw-r--r--src/lib.rs28
-rw-r--r--src/platform/windows/mod.rs22
-rw-r--r--src/window.rs28
12 files changed, 332 insertions, 190 deletions
diff --git a/src/api/caca/mod.rs b/src/api/caca/mod.rs
index d8199dd..da7810a 100644
--- a/src/api/caca/mod.rs
+++ b/src/api/caca/mod.rs
@@ -3,9 +3,11 @@
use libc;
use api::osmesa::OsMesaContext;
+use Api;
use BuilderAttribs;
use CreationError;
use Event;
+use GlContext;
use PixelFormat;
use CursorState;
use MouseCursor;
@@ -169,34 +171,6 @@ impl Window {
}
}
- pub unsafe fn make_current(&self) {
- self.opengl.make_current()
- }
-
- pub fn is_current(&self) -> bool {
- self.opengl.is_current()
- }
-
- pub fn get_proc_address(&self, addr: &str) -> *const () {
- self.opengl.get_proc_address(addr) as *const _
- }
-
- pub fn swap_buffers(&self) {
- unsafe {
- let canvas = (self.libcaca.caca_get_canvas)(self.display);
- let width = (self.libcaca.caca_get_canvas_width)(canvas);
- let height = (self.libcaca.caca_get_canvas_height)(canvas);
-
- let buffer = self.opengl.get_framebuffer().chunks(self.opengl.get_dimensions().0 as usize)
- .flat_map(|i| i.iter().cloned()).rev().collect::<Vec<u32>>();
-
- (self.libcaca.caca_dither_bitmap)(canvas, 0, 0, width as libc::c_int,
- height as libc::c_int, self.dither,
- buffer.as_ptr() as *const _);
- (self.libcaca.caca_refresh_display)(self.display);
- };
- }
-
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!()
}
@@ -205,10 +179,6 @@ impl Window {
unimplemented!()
}
- pub fn get_api(&self) -> ::Api {
- self.opengl.get_api()
- }
-
pub fn get_pixel_format(&self) -> PixelFormat {
unimplemented!();
}
@@ -232,6 +202,44 @@ impl Window {
}
}
+impl GlContext for Window {
+ unsafe fn make_current(&self) {
+ self.opengl.make_current()
+ }
+
+ fn is_current(&self) -> bool {
+ self.opengl.is_current()
+ }
+
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+ self.opengl.get_proc_address(addr)
+ }
+
+ fn swap_buffers(&self) {
+ unsafe {
+ let canvas = (self.libcaca.caca_get_canvas)(self.display);
+ let width = (self.libcaca.caca_get_canvas_width)(canvas);
+ let height = (self.libcaca.caca_get_canvas_height)(canvas);
+
+ let buffer = self.opengl.get_framebuffer().chunks(self.opengl.get_dimensions().0 as usize)
+ .flat_map(|i| i.iter().cloned()).rev().collect::<Vec<u32>>();
+
+ (self.libcaca.caca_dither_bitmap)(canvas, 0, 0, width as libc::c_int,
+ height as libc::c_int, self.dither,
+ buffer.as_ptr() as *const _);
+ (self.libcaca.caca_refresh_display)(self.display);
+ };
+ }
+
+ fn get_api(&self) -> Api {
+ self.opengl.get_api()
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.opengl.get_pixel_format()
+ }
+}
+
impl Drop for Window {
fn drop(&mut self) {
unsafe {
diff --git a/src/api/cocoa/headless.rs b/src/api/cocoa/headless.rs
index 298027f..cc2a526 100644
--- a/src/api/cocoa/headless.rs
+++ b/src/api/cocoa/headless.rs
@@ -1,6 +1,7 @@
use CreationError;
use CreationError::OsError;
use BuilderAttribs;
+use GlContext;
use libc;
use std::ptr;
@@ -56,8 +57,10 @@ impl HeadlessContext {
Ok(headless)
}
+}
- pub unsafe fn make_current(&self) {
+impl GlContext for HeadlessContext {
+ unsafe fn make_current(&self) {
self.context.makeCurrentContext();
gl::GenFramebuffersEXT(1, &mut framebuffer);
@@ -76,11 +79,11 @@ impl HeadlessContext {
}
}
- pub fn is_current(&self) -> bool {
+ fn is_current(&self) -> bool {
unimplemented!()
}
- pub fn get_proc_address(&self, _addr: &str) -> *const () {
+ fn get_proc_address(&self, _addr: &str) -> *const () {
let symbol_name: CFString = _addr.parse().unwrap();
let framework_name: CFString = "com.apple.opengl".parse().unwrap();
let framework = unsafe {
@@ -92,9 +95,16 @@ impl HeadlessContext {
symbol as *const ()
}
- pub fn get_api(&self) -> ::Api {
+ fn swap_buffers(&self) {
+ }
+
+ fn get_api(&self) -> ::Api {
::Api::OpenGl
}
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ unimplemented!();
+ }
}
unsafe impl Send for HeadlessContext {}
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 28d5ecc..101cfc0 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -9,6 +9,7 @@ use libc;
use Api;
use BuilderAttribs;
+use GlContext;
use GlRequest;
use PixelFormat;
use native_monitor::NativeMonitorId;
@@ -672,39 +673,6 @@ impl Window {
return None;
}
- pub unsafe fn make_current(&self) {
- let _: () = msg_send![*self.context, update];
- self.context.makeCurrentContext();
- }
-
- pub fn is_current(&self) -> bool {
- unsafe {
- let current = NSOpenGLContext::currentContext(nil);
- if current != nil {
- let is_equal: BOOL = msg_send![current, isEqual:*self.context];
- is_equal != NO
- } else {
- false
- }
- }
- }
-
- pub fn get_proc_address(&self, _addr: &str) -> *const () {
- let symbol_name: CFString = FromStr::from_str(_addr).unwrap();
- let framework_name: CFString = FromStr::from_str("com.apple.opengl").unwrap();
- let framework = unsafe {
- CFBundleGetBundleWithIdentifier(framework_name.as_concrete_TypeRef())
- };
- let symbol = unsafe {
- CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef())
- };
- symbol as *const ()
- }
-
- pub fn swap_buffers(&self) {
- unsafe { self.context.flushBuffer(); }
- }
-
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!()
}
@@ -713,14 +681,6 @@ impl Window {
unimplemented!()
}
- pub fn get_api(&self) -> ::Api {
- ::Api::OpenGl
- }
-
- pub fn get_pixel_format(&self) -> PixelFormat {
- self.pixel_format.clone()
- }
-
pub fn set_window_resize_callback(&mut self, callback: Option<fn(u32, u32)>) {
self.delegate.state.resize_handler = callback;
}
@@ -791,6 +751,49 @@ impl Window {
}
}
+impl GlContext for Window {
+ unsafe fn make_current(&self) {
+ let _: () = msg_send![*self.context, update];
+ self.context.makeCurrentContext();
+ }
+
+ fn is_current(&self) -> bool {
+ unsafe {
+ let current = NSOpenGLContext::currentContext(nil);
+ if current != nil {
+ let is_equal: BOOL = msg_send![current, isEqual:*self.context];
+ is_equal != NO
+ } else {
+ false
+ }
+ }
+ }
+
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+ let symbol_name: CFString = FromStr::from_str(_addr).unwrap();
+ let framework_name: CFString = FromStr::from_str("com.apple.opengl").unwrap();
+ let framework = unsafe {
+ CFBundleGetBundleWithIdentifier(framework_name.as_concrete_TypeRef())
+ };
+ let symbol = unsafe {
+ CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef())
+ };
+ symbol as *const _
+ }
+
+ fn swap_buffers(&self) {
+ unsafe { self.context.flushBuffer(); }
+ }
+
+ fn get_api(&self) -> ::Api {
+ ::Api::OpenGl
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.pixel_format.clone()
+ }
+}
+
struct IdRef(id);
impl IdRef {
diff --git a/src/api/egl/mod.rs b/src/api/egl/mod.rs
index 9c8db62..a6b6bcc 100644
--- a/src/api/egl/mod.rs
+++ b/src/api/egl/mod.rs
@@ -2,6 +2,7 @@
use BuilderAttribs;
use CreationError;
+use GlContext;
use GlRequest;
use PixelFormat;
use Api;
@@ -156,8 +157,10 @@ impl Context {
pixel_format: pixel_format,
})
}
+}
- pub fn make_current(&self) {
+impl GlContext for Context {
+ unsafe fn make_current(&self) {
let ret = unsafe {
self.egl.MakeCurrent(self.display, self.surface, self.surface, self.context)
};
@@ -167,23 +170,19 @@ impl Context {
}
}
- pub fn get_pixel_format(&self) -> &PixelFormat {
- &self.pixel_format
- }
-
- pub fn is_current(&self) -> bool {
+ fn is_current(&self) -> bool {
unsafe { self.egl.GetCurrentContext() == self.context }
}
- pub fn get_proc_address(&self, addr: &str) -> *const () {
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
let addr = CString::new(addr.as_bytes()).unwrap();
let addr = addr.as_ptr();
unsafe {
- self.egl.GetProcAddress(addr) as *const ()
+ self.egl.GetProcAddress(addr) as *const _
}
}
- pub fn swap_buffers(&self) {
+ fn swap_buffers(&self) {
let ret = unsafe {
self.egl.SwapBuffers(self.display, self.surface)
};
@@ -193,9 +192,13 @@ impl Context {
}
}
- pub fn get_api(&self) -> Api {
+ fn get_api(&self) -> Api {
self.api
}
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.pixel_format.clone()
+ }
}
unsafe impl Send for Context {}
diff --git a/src/api/glx/mod.rs b/src/api/glx/mod.rs
index fb86dfd..7aa77e7 100644
--- a/src/api/glx/mod.rs
+++ b/src/api/glx/mod.rs
@@ -2,8 +2,10 @@
use BuilderAttribs;
use CreationError;
+use GlContext;
use GlRequest;
use Api;
+use PixelFormat;
use libc;
use std::ffi::CString;
@@ -140,35 +142,41 @@ impl Context {
context: context,
})
}
+}
- pub fn make_current(&self) {
- let res = unsafe { ffi::glx::MakeCurrent(self.display as *mut _, self.window, self.context) };
+impl GlContext for Context {
+ unsafe fn make_current(&self) {
+ let res = ffi::glx::MakeCurrent(self.display as *mut _, self.window, self.context);
if res == 0 {
panic!("glx::MakeCurrent failed");
}
}
- pub fn is_current(&self) -> bool {
+ fn is_current(&self) -> bool {
unsafe { ffi::glx::GetCurrentContext() == self.context }
}
- pub fn get_proc_address(&self, addr: &str) -> *const () {
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
let addr = CString::new(addr.as_bytes()).unwrap();
let addr = addr.as_ptr();
unsafe {
- ffi::glx::GetProcAddress(addr as *const _) as *const ()
+ ffi::glx::GetProcAddress(addr as *const _) as *const _
}
}
- pub fn swap_buffers(&self) {
+ fn swap_buffers(&self) {
unsafe {
ffi::glx::SwapBuffers(self.display as *mut _, self.window)
}
}
- pub fn get_api(&self) -> ::Api {
+ fn get_api(&self) -> ::Api {
::Api::OpenGl
}
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ unimplemented!();
+ }
}
unsafe impl Send for Context {}
diff --git a/src/api/osmesa/mod.rs b/src/api/osmesa/mod.rs
index ea90583..61eebc1 100644
--- a/src/api/osmesa/mod.rs
+++ b/src/api/osmesa/mod.rs
@@ -2,9 +2,12 @@
extern crate osmesa_sys;
+use Api;
use BuilderAttribs;
use CreationError;
use CreationError::OsError;
+use GlContext;
+use PixelFormat;
use libc;
use std::{mem, ptr};
use std::ffi::CString;
@@ -43,7 +46,13 @@ impl OsMesaContext {
(self.width, self.height)
}
- pub unsafe fn make_current(&self) {
+ // TODO: can we remove this without causing havoc?
+ pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
+ }
+}
+
+impl GlContext for OsMesaContext {
+ unsafe fn make_current(&self) {
let ret = osmesa_sys::OSMesaMakeCurrent(self.context,
self.buffer.as_ptr() as *mut libc::c_void,
0x1401, self.width as libc::c_int, self.height as libc::c_int);
@@ -53,23 +62,26 @@ impl OsMesaContext {
}
}
- pub fn is_current(&self) -> bool {
+ fn is_current(&self) -> bool {
unsafe { osmesa_sys::OSMesaGetCurrentContext() == self.context }
}
- pub fn get_proc_address(&self, addr: &str) -> *const () {
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
unsafe {
let c_str = CString::new(addr.as_bytes().to_vec()).unwrap();
mem::transmute(osmesa_sys::OSMesaGetProcAddress(mem::transmute(c_str.as_ptr())))
}
}
- /// See the docs in the crate root file.
- pub fn get_api(&self) -> ::Api {
- ::Api::OpenGl
+ fn swap_buffers(&self) {
}
- pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
+ fn get_api(&self) -> Api {
+ Api::OpenGl
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ unimplemented!();
}
}
diff --git a/src/api/win32/mod.rs b/src/api/win32/mod.rs
index dd3e685..e6f5cb8 100644
--- a/src/api/win32/mod.rs
+++ b/src/api/win32/mod.rs
@@ -14,7 +14,9 @@ use std::sync::mpsc::Receiver;
use libc;
use {CreationError, Event, MouseCursor};
use CursorState;
+use GlContext;
+use Api;
use PixelFormat;
use BuilderAttribs;
@@ -218,37 +220,6 @@ impl Window {
}
}
- /// See the docs in the crate root file.
- pub unsafe fn make_current(&self) {
- // TODO: check return value
- gl::wgl::MakeCurrent(self.window.1 as *const libc::c_void,
- self.context.0 as *const libc::c_void);
- }
-
- /// See the docs in the crate root file.
- pub fn is_current(&self) -> bool {
- unsafe { gl::wgl::GetCurrentContext() == self.context.0 as *const libc::c_void }
- }
-
- /// See the docs in the crate root file.
- pub fn get_proc_address(&self, addr: &str) -> *const () {
- let addr = CString::new(addr.as_bytes()).unwrap();
- let addr = addr.as_ptr();
-
- unsafe {
- let p = gl::wgl::GetProcAddress(addr) as *const ();
- if !p.is_null() { return p; }
- kernel32::GetProcAddress(self.gl_library, addr) as *const ()
- }
- }
-
- /// See the docs in the crate root file.
- pub fn swap_buffers(&self) {
- unsafe {
- gdi32::SwapBuffers(self.window.1);
- }
- }
-
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!()
}
@@ -257,15 +228,6 @@ impl Window {
self.window.0 as *mut libc::c_void
}
- /// See the docs in the crate root file.
- pub fn get_api(&self) -> ::Api {
- ::Api::OpenGl
- }
-
- pub fn get_pixel_format(&self) -> PixelFormat {
- self.pixel_format.clone()
- }
-
pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
}
@@ -362,6 +324,43 @@ impl Window {
}
}
+impl GlContext for Window {
+ unsafe fn make_current(&self) {
+ // TODO: check return value
+ gl::wgl::MakeCurrent(self.window.1 as *const libc::c_void,
+ self.context.0 as *const libc::c_void);
+ }
+
+ fn is_current(&self) -> bool {
+ unsafe { gl::wgl::GetCurrentContext() == self.context.0 as *const libc::c_void }
+ }
+
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+ let addr = CString::new(addr.as_bytes()).unwrap();
+ let addr = addr.as_ptr();
+
+ unsafe {
+ let p = gl::wgl::GetProcAddress(addr) as *const _;
+ if !p.is_null() { return p; }
+ kernel32::GetProcAddress(self.gl_library, addr) as *const _
+ }
+ }
+
+ fn swap_buffers(&self) {
+ unsafe {
+ gdi32::SwapBuffers(self.window.1);
+ }
+ }
+
+ fn get_api(&self) -> Api {
+ Api::OpenGl
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.pixel_format.clone()
+ }
+}
+
pub struct PollEventsIterator<'a> {
window: &'a Window,
}
diff --git a/src/api/x11/mod.rs b/src/api/x11/mod.rs
index 6b528ab..9946243 100644
--- a/src/api/x11/mod.rs
+++ b/src/api/x11/mod.rs
@@ -13,6 +13,7 @@ use std::sync::{Arc, Mutex, Once, ONCE_INIT};
use Api;
use CursorState;
+use GlContext;
use GlRequest;
use PixelFormat;
@@ -674,38 +675,6 @@ impl Window {
}
}
- pub unsafe fn make_current(&self) {
- match self.x.context {
- Context::Glx(ref ctxt) => ctxt.make_current(),
- Context::Egl(ref ctxt) => ctxt.make_current(),
- Context::None => {}
- }
- }
-
- pub fn is_current(&self) -> bool {
- match self.x.context {
- Context::Glx(ref ctxt) => ctxt.is_current(),
- Context::Egl(ref ctxt) => ctxt.is_current(),
- Context::None => panic!()
- }
- }
-
- pub fn get_proc_address(&self, addr: &str) -> *const () {
- match self.x.context {
- Context::Glx(ref ctxt) => ctxt.get_proc_address(addr),
- Context::Egl(ref ctxt) => ctxt.get_proc_address(addr),
- Context::None => ptr::null()
- }
- }
-
- pub fn swap_buffers(&self) {
- match self.x.context {
- Context::Glx(ref ctxt) => ctxt.swap_buffers(),
- Context::Egl(ref ctxt) => ctxt.swap_buffers(),
- Context::None => {}
- }
- }
-
pub fn platform_display(&self) -> *mut libc::c_void {
self.x.display as *mut libc::c_void
}
@@ -714,18 +683,6 @@ impl Window {
unimplemented!()
}
- /// See the docs in the crate root file.
- pub fn get_api(&self) -> ::Api {
- match self.x.context {
- Context::Glx(ref ctxt) => ctxt.get_api(),
- Context::Egl(ref ctxt) => ctxt.get_api(),
- Context::None => panic!()
- }
- }
-
- pub fn get_pixel_format(&self) -> PixelFormat {
- self.pixel_format.clone()
- }
pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
}
@@ -828,3 +785,49 @@ impl Window {
Ok(())
}
}
+
+impl GlContext for Window {
+ unsafe fn make_current(&self) {
+ match self.x.context {
+ Context::Glx(ref ctxt) => ctxt.make_current(),
+ Context::Egl(ref ctxt) => ctxt.make_current(),
+ Context::None => {}
+ }
+ }
+
+ fn is_current(&self) -> bool {
+ match self.x.context {
+ Context::Glx(ref ctxt) => ctxt.is_current(),
+ Context::Egl(ref ctxt) => ctxt.is_current(),
+ Context::None => panic!()
+ }
+ }
+
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+ match self.x.context {
+ Context::Glx(ref ctxt) => ctxt.get_proc_address(addr),
+ Context::Egl(ref ctxt) => ctxt.get_proc_address(addr),
+ Context::None => ptr::null()
+ }
+ }
+
+ fn swap_buffers(&self) {
+ match self.x.context {
+ Context::Glx(ref ctxt) => ctxt.swap_buffers(),
+ Context::Egl(ref ctxt) => ctxt.swap_buffers(),
+ Context::None => {}
+ }
+ }
+
+ fn get_api(&self) -> Api {
+ match self.x.context {
+ Context::Glx(ref ctxt) => ctxt.get_api(),
+ Context::Egl(ref ctxt) => ctxt.get_api(),
+ Context::None => panic!()
+ }
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.pixel_format.clone()
+ }
+}
diff --git a/src/headless.rs b/src/headless.rs
index dc42108..566cbee 100644
--- a/src/headless.rs
+++ b/src/headless.rs
@@ -2,6 +2,8 @@ use Api;
use BuilderAttribs;
use CreationError;
use GlRequest;
+use GlContext;
+use PixelFormat;
use gl_common;
use libc;
@@ -101,3 +103,29 @@ impl gl_common::GlFunctionsSource for HeadlessContext {
self.get_proc_address(addr)
}
}
+
+impl GlContext for HeadlessContext {
+ unsafe fn make_current(&self) {
+ self.make_current()
+ }
+
+ fn is_current(&self) -> bool {
+ self.is_current()
+ }
+
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+ self.get_proc_address(addr)
+ }
+
+ fn swap_buffers(&self) {
+ self.swap_buffers()
+ }
+
+ fn get_api(&self) -> Api {
+ self.get_api()
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.get_pixel_format()
+ }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 50f998b..be66099 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -70,6 +70,34 @@ mod headless;
#[cfg(feature = "window")]
mod window;
+/// Trait that describes objects that have access to an OpenGL context.
+pub trait GlContext {
+ /// Sets the context as the current context.
+ unsafe fn make_current(&self);
+
+ /// Returns true if this context is the current one in this thread.
+ fn is_current(&self) -> bool;
+
+ /// Returns the address of an OpenGL function.
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void;
+
+ /// Swaps the buffers in case of double or triple buffering.
+ ///
+ /// You should call this function every time you have finished rendering, or the image
+ /// may not be displayed on the screen.
+ ///
+ /// **Warning**: if you enabled vsync, this function will block until the next time the screen
+ /// is refreshed. However drivers can choose to override your vsync settings, which means that
+ /// you can't know in advance whether `swap_buffers` will block or not.
+ fn swap_buffers(&self);
+
+ /// Returns the OpenGL API being used.
+ fn get_api(&self) -> Api;
+
+ /// Returns the pixel format of the main framebuffer of the context.
+ fn get_pixel_format(&self) -> PixelFormat;
+}
+
/// Error that can happen while creating a window or a headless renderer.
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum CreationError {
diff --git a/src/platform/windows/mod.rs b/src/platform/windows/mod.rs
index 78cbefc..260ab94 100644
--- a/src/platform/windows/mod.rs
+++ b/src/platform/windows/mod.rs
@@ -2,9 +2,13 @@
pub use api::win32::*;
+use libc;
+
use Api;
use BuilderAttribs;
use CreationError;
+use PixelFormat;
+use GlContext;
///
pub struct HeadlessContext(Window);
@@ -14,20 +18,30 @@ impl HeadlessContext {
builder.visible = false;
Window::new(builder).map(|w| HeadlessContext(w))
}
+}
- pub unsafe fn make_current(&self) {
+impl GlContext for HeadlessContext {
+ unsafe fn make_current(&self) {
self.0.make_current()
}
- pub fn is_current(&self) -> bool {
+ fn is_current(&self) -> bool {
self.0.is_current()
}
- pub fn get_proc_address(&self, addr: &str) -> *const () {
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
self.0.get_proc_address(addr)
}
- pub fn get_api(&self) -> Api {
+ fn swap_buffers(&self) {
+ self.0.swap_buffers()
+ }
+
+ fn get_api(&self) -> Api {
self.0.get_api()
}
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.0.get_pixel_format()
+ }
}
diff --git a/src/window.rs b/src/window.rs
index 0dd9905..7508f32 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -6,6 +6,7 @@ use BuilderAttribs;
use CreationError;
use CursorState;
use Event;
+use GlContext;
use GlRequest;
use MouseCursor;
use PixelFormat;
@@ -428,6 +429,32 @@ impl gl_common::GlFunctionsSource for Window {
}
}
+impl GlContext for Window {
+ unsafe fn make_current(&self) {
+ self.make_current()
+ }
+
+ fn is_current(&self) -> bool {
+ self.is_current()
+ }
+
+ fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+ self.get_proc_address(addr)
+ }
+
+ fn swap_buffers(&self) {
+ self.swap_buffers()
+ }
+
+ fn get_api(&self) -> Api {
+ self.get_api()
+ }
+
+ fn get_pixel_format(&self) -> PixelFormat {
+ self.get_pixel_format()
+ }
+}
+
/// Represents a thread safe subset of operations that can be called
/// on a window. This structure can be safely cloned and sent between
/// threads.
@@ -437,7 +464,6 @@ pub struct WindowProxy {
}
impl WindowProxy {
-
/// Triggers a blocked event loop to wake up. This is
/// typically called when another thread wants to wake
/// up the blocked rendering thread to cause a refresh.