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authorTomaka17 <pierre.krieger1708@gmail.com>2014-09-11 18:13:50 +0200
committerTomaka17 <pierre.krieger1708@gmail.com>2014-09-11 18:28:07 +0200
commit0bb82e8467f4f0acde0ba434cbc214ea9a4af476 (patch)
tree4038a9160fc43833712a6f75fea4ce8158469ff1 /src
parentd870fa7ffa1ff5e7a6a13048ada943aea51a04a6 (diff)
downloadglutin-0bb82e8467f4f0acde0ba434cbc214ea9a4af476.tar.gz
glutin-0bb82e8467f4f0acde0ba434cbc214ea9a4af476.zip
Add basic support for Android
Diffstat (limited to 'src')
-rw-r--r--src/android/ffi.rs252
-rw-r--r--src/android/mod.rs207
-rw-r--r--src/lib.rs6
3 files changed, 464 insertions, 1 deletions
diff --git a/src/android/ffi.rs b/src/android/ffi.rs
new file mode 100644
index 0000000..123a3f0
--- /dev/null
+++ b/src/android/ffi.rs
@@ -0,0 +1,252 @@
+#![allow(dead_code)]
+#![allow(non_snake_case)]
+#![allow(non_camel_case_types)]
+
+use libc;
+
+pub type EGLBoolean = libc::c_int;
+pub type EGLint = i32;
+pub type EGLDisplay = *const libc::c_void;
+pub type EGLConfig = *const libc::c_void;
+pub type EGLSurface = *const libc::c_void;
+pub type EGLContext = *const libc::c_void;
+
+pub type NativePixmapType = *const libc::c_void; // FIXME: egl_native_pixmap_t instead
+pub type NativeWindowType = *const ANativeWindow;
+
+pub static EGL_DEFAULT_DISPLAY: EGLint = 0;
+/*pub static EGL_NO_CONTEXT: EGLContext = { use std::ptr; ptr::null() };
+pub static EGL_NO_DISPLAY: EGLDisplay = { use std::ptr; ptr::null() };
+pub static EGL_NO_SURFACE: EGLSurface = { use std::ptr; ptr::null() };*/
+
+pub static EGL_VERSION_1_0: EGLint = 1;
+pub static EGL_VERSION_1_1: EGLint = 1;
+
+pub static EGL_FALSE: EGLint = 0;
+pub static EGL_TRUE: EGLint = 1;
+
+pub static EGL_SUCCESS: EGLint = 0x3000;
+pub static EGL_NOT_INITIALIZED: EGLint = 0x3001;
+pub static EGL_BAD_ACCESS: EGLint = 0x3002;
+pub static EGL_BAD_ALLOC: EGLint = 0x3003;
+pub static EGL_BAD_ATTRIBUTE: EGLint = 0x3004;
+pub static EGL_BAD_CONFIG: EGLint = 0x3005;
+pub static EGL_BAD_CONTEXT: EGLint = 0x3006;
+pub static EGL_BAD_CURRENT_SURFACE: EGLint = 0x3007;
+pub static EGL_BAD_DISPLAY: EGLint = 0x3008;
+pub static EGL_BAD_MATCH: EGLint = 0x3009;
+pub static EGL_BAD_NATIVE_PIXMAP: EGLint = 0x300A;
+pub static EGL_BAD_NATIVE_WINDOW: EGLint = 0x300B;
+pub static EGL_BAD_PARAMETER: EGLint = 0x300C;
+pub static EGL_BAD_SURFACE: EGLint = 0x300D;
+pub static EGL_CONTEXT_LOST: EGLint = 0x300E;
+
+pub static EGL_BUFFER_SIZE: EGLint = 0x3020;
+pub static EGL_ALPHA_SIZE: EGLint = 0x3021;
+pub static EGL_BLUE_SIZE: EGLint = 0x3022;
+pub static EGL_GREEN_SIZE: EGLint = 0x3023;
+pub static EGL_RED_SIZE: EGLint = 0x3024;
+pub static EGL_DEPTH_SIZE: EGLint = 0x3025;
+pub static EGL_STENCIL_SIZE: EGLint = 0x3026;
+pub static EGL_CONFIG_CAVEAT: EGLint = 0x3027;
+pub static EGL_CONFIG_ID: EGLint = 0x3028;
+pub static EGL_LEVEL: EGLint = 0x3029;
+pub static EGL_MAX_PBUFFER_HEIGHT: EGLint = 0x302A;
+pub static EGL_MAX_PBUFFER_PIXELS: EGLint = 0x302B;
+pub static EGL_MAX_PBUFFER_WIDTH: EGLint = 0x302C;
+pub static EGL_NATIVE_RENDERABLE: EGLint = 0x302D;
+pub static EGL_NATIVE_VISUAL_ID: EGLint = 0x302E;
+pub static EGL_NATIVE_VISUAL_TYPE: EGLint = 0x302F;
+/*pub static EGL_PRESERVED_RESOURCES: EGLint = 0x3030;*/
+pub static EGL_SAMPLES: EGLint = 0x3031;
+pub static EGL_SAMPLE_BUFFERS: EGLint = 0x3032;
+pub static EGL_SURFACE_TYPE: EGLint = 0x3033;
+pub static EGL_TRANSPARENT_TYPE: EGLint = 0x3034;
+pub static EGL_TRANSPARENT_BLUE_VALUE: EGLint = 0x3035;
+pub static EGL_TRANSPARENT_GREEN_VALUE: EGLint = 0x3036;
+pub static EGL_TRANSPARENT_RED_VALUE: EGLint = 0x3037;
+pub static EGL_NONE: EGLint = 0x3038 /* Also a config value */;
+pub static EGL_BIND_TO_TEXTURE_RGB: EGLint = 0x3039;
+pub static EGL_BIND_TO_TEXTURE_RGBA: EGLint = 0x303A;
+pub static EGL_MIN_SWAP_INTERVAL: EGLint = 0x303B;
+pub static EGL_MAX_SWAP_INTERVAL: EGLint = 0x303C;
+
+
+pub static EGL_DONT_CARE: EGLint = -1;
+pub static EGL_SLOW_CONFIG: EGLint = 0x3050 /* EGL_CONFIG_CAVEAT value */;
+pub static EGL_NON_CONFORMANT_CONFIG: EGLint = 0x3051 /* " */;
+pub static EGL_TRANSPARENT_RGB: EGLint = 0x3052 /* EGL_TRANSPARENT_TYPE value */;
+pub static EGL_NO_TEXTURE: EGLint = 0x305C /* EGL_TEXTURE_FORMAT/TARGET value */;
+pub static EGL_TEXTURE_RGB: EGLint = 0x305D /* EGL_TEXTURE_FORMAT value */;
+pub static EGL_TEXTURE_RGBA: EGLint = 0x305E /* " */;
+pub static EGL_TEXTURE_2D: EGLint = 0x305F /* EGL_TEXTURE_TARGET value */;
+
+pub static EGL_PBUFFER_BIT: EGLint = 0x01 /* EGL_SURFACE_TYPE mask bit */;
+pub static EGL_PIXMAP_BIT: EGLint = 0x02 /* " */;
+pub static EGL_WINDOW_BIT: EGLint = 0x04 /* " */;
+
+pub static EGL_VENDOR: EGLint = 0x3053 /* eglQueryString target */;
+pub static EGL_VERSION: EGLint = 0x3054 /* " */;
+pub static EGL_EXTENSIONS: EGLint = 0x3055 /* " */;
+
+pub static EGL_HEIGHT: EGLint = 0x3056;
+pub static EGL_WIDTH: EGLint = 0x3057;
+pub static EGL_LARGEST_PBUFFER: EGLint = 0x3058;
+pub static EGL_TEXTURE_FORMAT: EGLint = 0x3080 /* For pbuffers bound as textures */;
+pub static EGL_TEXTURE_TARGET: EGLint = 0x3081 /* " */;
+pub static EGL_MIPMAP_TEXTURE: EGLint = 0x3082 /* " */;
+pub static EGL_MIPMAP_LEVEL: EGLint = 0x3083 /* " */;
+
+pub static EGL_BACK_BUFFER: EGLint = 0x3084;
+
+pub static EGL_DRAW: EGLint = 0x3059;
+pub static EGL_READ: EGLint = 0x305A;
+
+pub static EGL_CORE_NATIVE_ENGINE: EGLint = 0x305B;
+
+#[link(name = "android")]
+#[link(name = "EGL")]
+#[link(name = "GLESv2")]
+extern {
+ pub fn eglGetError() -> EGLint;
+
+ pub fn eglGetDisplay(display: *const ()/*NativeDisplayType*/) -> EGLDisplay;
+ pub fn eglInitialize(dpy: EGLDisplay, major: *mut EGLint, minor: *mut EGLint) -> EGLBoolean;
+ pub fn eglTerminate(dpy: EGLDisplay) -> EGLBoolean;
+ pub fn eglQueryString(dpy: EGLDisplay, name: EGLint) -> *const libc::c_char;
+ pub fn eglGetProcAddress(procname: *const libc::c_char) -> *const ();
+
+ pub fn eglGetConfigs(dpy: EGLDisplay, configs: *mut EGLConfig, config_size: EGLint,
+ num_config: *mut EGLint) -> EGLBoolean;
+ pub fn eglChooseConfig(dpy: EGLDisplay, attrib_list: *const EGLint, configs: *mut EGLConfig,
+ config_size: EGLint, num_config: *mut EGLint) -> EGLBoolean;
+ pub fn eglGetConfigAttrib(dpy: EGLDisplay, config: EGLConfig, attribute: EGLint,
+ value: *mut EGLint) -> EGLBoolean;
+
+ pub fn eglCreateWindowSurface(dpy: EGLDisplay, config: EGLConfig, window: NativeWindowType, attrib_list: *const EGLint) -> EGLSurface;
+ pub fn eglCreatePixmapSurface(dpy: EGLDisplay, config: EGLConfig, pixmap: NativePixmapType, attrib_list: *const EGLint) -> EGLSurface;
+ pub fn eglCreatePbufferSurface(dpy: EGLDisplay, config: EGLConfig,
+ attrib_list: *const EGLint) -> EGLSurface;
+ pub fn eglDestroySurface(dpy: EGLDisplay, surface: EGLSurface) -> EGLBoolean;
+ pub fn eglQuerySurface(dpy: EGLDisplay, surface: EGLSurface, attribute: EGLint,
+ value: *mut EGLint) -> EGLBoolean;
+
+ pub fn eglSurfaceAttrib(dpy: EGLDisplay, surface: EGLSurface, attribute: EGLint,
+ value: EGLint) -> EGLBoolean;
+ pub fn eglBindTexImage(dpy: EGLDisplay, surface: EGLSurface, buffer: EGLint) -> EGLBoolean;
+ pub fn eglReleaseTexImage(dpy: EGLDisplay, surface: EGLSurface, buffer: EGLint) -> EGLBoolean;
+
+ pub fn eglSwapInterval(dpy: EGLDisplay, interval: EGLint) -> EGLBoolean;
+
+ pub fn eglCreateContext(dpy: EGLDisplay, config: EGLConfig, share_list: EGLContext,
+ attrib_list: *const EGLint) -> EGLContext;
+ pub fn eglDestroyContext(dpy: EGLDisplay, ctx: EGLContext) -> EGLBoolean;
+ pub fn eglMakeCurrent(dpy: EGLDisplay, draw: EGLSurface, read: EGLSurface,
+ ctx: EGLContext) -> EGLBoolean;
+ pub fn eglGetCurrentContext() -> EGLContext;
+ pub fn eglGetCurrentSurface(readdraw: EGLint) -> EGLSurface;
+ pub fn eglGetCurrentDisplay() -> EGLDisplay;
+ pub fn eglQueryContext(dpy: EGLDisplay, ctx: EGLContext, attribute: EGLint,
+ value: *mut EGLint) -> EGLBoolean;
+
+ pub fn eglWaitGL() -> EGLBoolean;
+ pub fn eglWaitNative(engine: EGLint) -> EGLBoolean;
+ pub fn eglSwapBuffers(dpy: EGLDisplay, draw: EGLSurface) -> EGLBoolean;
+ //pub fn eglCopyBuffers(dpy: EGLDisplay, surface: EGLSurface, target: NativePixmapType) -> EGLBoolean;
+}
+
+/**
+ * asset_manager.h
+ */
+pub type AAssetManager = ();
+
+/**
+ * native_window.h
+ */
+pub type ANativeWindow = ();
+
+extern {
+ pub fn ANativeWindow_getHeight(window: *const ANativeWindow) -> libc::int32_t;
+ pub fn ANativeWindow_getWidth(window: *const ANativeWindow) -> libc::int32_t;
+}
+
+/**
+ * native_activity.h
+ */
+pub type JavaVM = ();
+pub type JNIEnv = ();
+pub type jobject = *const libc::c_void;
+
+pub type AInputQueue = (); // FIXME: wrong
+pub type ARect = (); // FIXME: wrong
+
+#[repr(C)]
+pub struct ANativeActivity {
+ pub callbacks: *mut ANativeActivityCallbacks,
+ pub vm: *mut JavaVM,
+ pub env: *mut JNIEnv,
+ pub clazz: jobject,
+ pub internalDataPath: *const libc::c_char,
+ pub externalDataPath: *const libc::c_char,
+ pub sdkVersion: libc::int32_t,
+ pub instance: *mut libc::c_void,
+ pub assetManager: *mut AAssetManager,
+ pub obbPath: *const libc::c_char,
+}
+
+#[repr(C)]
+pub struct ANativeActivityCallbacks {
+ pub onStart: extern fn(*mut ANativeActivity),
+ pub onResume: extern fn(*mut ANativeActivity),
+ pub onSaveInstanceState: extern fn(*mut ANativeActivity, *mut libc::size_t),
+ pub onPause: extern fn(*mut ANativeActivity),
+ pub onStop: extern fn(*mut ANativeActivity),
+ pub onDestroy: extern fn(*mut ANativeActivity),
+ pub onWindowFocusChanged: extern fn(*mut ANativeActivity, libc::c_int),
+ pub onNativeWindowCreated: extern fn(*mut ANativeActivity, *const ANativeWindow),
+ pub onNativeWindowResized: extern fn(*mut ANativeActivity, *const ANativeWindow),
+ pub onNativeWindowRedrawNeeded: extern fn(*mut ANativeActivity, *const ANativeWindow),
+ pub onNativeWindowDestroyed: extern fn(*mut ANativeActivity, *const ANativeWindow),
+ pub onInputQueueCreated: extern fn(*mut ANativeActivity, *mut AInputQueue),
+ pub onInputQueueDestroyed: extern fn(*mut ANativeActivity, *mut AInputQueue),
+ pub onContentRectChanged: extern fn(*mut ANativeActivity, *const ARect),
+ pub onConfigurationChanged: extern fn(*mut ANativeActivity),
+ pub onLowMemory: extern fn(*mut ANativeActivity),
+}
+
+/**
+ * looper.h
+ */
+pub type ALooper = ();
+
+#[link(name = "android")]
+extern {
+ pub fn ALooper_forThread() -> *const ALooper;
+ pub fn ALooper_acquire(looper: *const ALooper);
+ pub fn ALooper_release(looper: *const ALooper);
+ pub fn ALooper_prepare(opts: libc::c_int) -> *const ALooper;
+ pub fn ALooper_pollOnce(timeoutMillis: libc::c_int, outFd: *mut libc::c_int,
+ outEvents: *mut libc::c_int, outData: *mut *mut libc::c_void) -> libc::c_int;
+ pub fn ALooper_pollAll(timeoutMillis: libc::c_int, outFd: *mut libc::c_int,
+ outEvents: *mut libc::c_int, outData: *mut *mut libc::c_void) -> libc::c_int;
+ pub fn ALooper_wake(looper: *const ALooper);
+ pub fn ALooper_addFd(looper: *const ALooper, fd: libc::c_int, ident: libc::c_int,
+ events: libc::c_int, callback: ALooper_callbackFunc, data: *mut libc::c_void)
+ -> libc::c_int;
+ pub fn ALooper_removeFd(looper: *const ALooper, fd: libc::c_int) -> libc::c_int;
+}
+
+pub static ALOOPER_PREPARE_ALLOW_NON_CALLBACKS: libc::c_int = 1 << 0;
+
+pub static ALOOPER_POLL_WAKE: libc::c_int = -1;
+pub static ALOOPER_POLL_CALLBACK: libc::c_int = -2;
+pub static ALOOPER_POLL_TIMEOUT: libc::c_int = -3;
+pub static ALOOPER_POLL_ERROR: libc::c_int = -4;
+
+pub static ALOOPER_EVENT_INPUT: libc::c_int = 1 << 0;
+pub static ALOOPER_EVENT_OUTPUT: libc::c_int = 1 << 1;
+pub static ALOOPER_EVENT_ERROR: libc::c_int = 1 << 2;
+pub static ALOOPER_EVENT_HANGUP: libc::c_int = 1 << 3;
+pub static ALOOPER_EVENT_INVALID: libc::c_int = 1 << 4;
+
+pub type ALooper_callbackFunc = extern fn(libc::c_int, libc::c_int, *mut libc::c_void) -> libc::c_int;
diff --git a/src/android/mod.rs b/src/android/mod.rs
new file mode 100644
index 0000000..74a07e6
--- /dev/null
+++ b/src/android/mod.rs
@@ -0,0 +1,207 @@
+extern crate android_glue;
+extern crate native;
+
+use libc;
+use self::native::NativeTaskBuilder;
+use {Event, WindowBuilder};
+
+pub struct Window {
+ display: ffi::EGLDisplay,
+ context: ffi::EGLContext,
+ surface: ffi::EGLSurface,
+}
+
+pub struct MonitorID;
+
+mod ffi;
+
+compile_warning!("The Android implementation is not fully working yet")
+
+pub fn get_available_monitors() -> Vec<MonitorID> {
+ vec![ MonitorID ]
+}
+
+pub fn get_primary_monitor() -> MonitorID {
+ MonitorID
+}
+
+impl MonitorID {
+ pub fn get_name(&self) -> Option<String> {
+ Some("Primary".to_string())
+ }
+
+ pub fn get_dimensions(&self) -> (uint, uint) {
+ unimplemented!()
+ }
+}
+
+impl Window {
+ pub fn new(_builder: WindowBuilder) -> Result<Window, String> {
+ use std::{mem, ptr};
+ use std::task::TaskBuilder;
+
+ let native_window = unsafe { android_glue::get_native_window() };
+ if native_window.is_null() {
+ return Err(format!("Android's native window is null"));
+ }
+
+ 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
+ };
+
+ android_glue::write_log("eglGetDisplay succeeded");
+
+ 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)
+ };
+
+ android_glue::write_log("eglInitialize succeeded");
+
+ 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
+ };
+
+ android_glue::write_log("eglChooseConfig succeeded");
+
+ let context = unsafe {
+ let context = ffi::eglCreateContext(display, config, ptr::null(), ptr::null());
+ if context.is_null() {
+ return Err(format!("eglCreateContext failed"))
+ }
+ context
+ };
+
+ android_glue::write_log("eglCreateContext succeeded");
+
+ let surface = unsafe {
+ let surface = ffi::eglCreateWindowSurface(display, config, native_window, ptr::null());
+ if surface.is_null() {
+ return Err(format!("eglCreateWindowSurface failed"))
+ }
+ surface
+ };
+
+ android_glue::write_log("eglCreateWindowSurface succeeded");
+
+ 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: int, _y: int) {
+ }
+
+ pub fn get_inner_size(&self) -> Option<(uint, uint)> {
+ let native_window = unsafe { android_glue::get_native_window() };
+
+ if native_window.is_null() {
+ None
+ } else {
+ Some((
+ unsafe { ffi::ANativeWindow_getWidth(native_window) } as uint,
+ unsafe { ffi::ANativeWindow_getHeight(native_window) } as uint
+ ))
+ }
+ }
+
+ pub fn get_outer_size(&self) -> Option<(uint, uint)> {
+ self.get_inner_size()
+ }
+
+ pub fn set_inner_size(&self, _x: uint, _y: uint) {
+ }
+
+ pub fn poll_events(&self) -> Vec<Event> {
+ use std::time::Duration;
+ use std::io::timer;
+ timer::sleep(Duration::milliseconds(16));
+ Vec::new()
+ }
+
+ pub fn wait_events(&self) -> Vec<Event> {
+ use std::time::Duration;
+ use std::io::timer;
+ timer::sleep(Duration::milliseconds(16));
+ Vec::new()
+ }
+
+ pub fn make_current(&self) {
+ 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) {
+ unsafe {
+ ffi::eglSwapBuffers(self.display, self.surface);
+ }
+ }
+}
+
+#[unsafe_destructor]
+impl Drop for Window {
+ fn drop(&mut self) {
+ use std::ptr;
+
+ unsafe {
+ android_glue::write_log("Destroying gl-init window");
+ ffi::eglMakeCurrent(self.display, ptr::null(), ptr::null(), ptr::null());
+ ffi::eglDestroySurface(self.display, self.surface);
+ ffi::eglDestroyContext(self.display, self.context);
+ ffi::eglTerminate(self.display);
+ }
+ }
+}
diff --git a/src/lib.rs b/src/lib.rs
index a27337f..cfaf875 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -31,6 +31,8 @@ use win32 as winimpl;
use x11 as winimpl;
#[cfg(target_os = "macos")]
use osx as winimpl;
+#[cfg(target_os = "android")]
+use android as winimpl;
#[cfg(target_os = "windows")]
mod win32;
@@ -38,13 +40,15 @@ mod win32;
mod x11;
#[cfg(target_os = "macos")]
mod osx;
+#[cfg(target_os = "android")]
+mod android;
#[allow(dead_code)]
//mod egl;
mod events;
-#[cfg(not(target_os = "windows"), not(target_os = "linux"), not(target_os = "macos"))]
+#[cfg(not(target_os = "windows"), not(target_os = "linux"), not(target_os = "macos"), not(target_os = "android"))]
compile_error!("Only the `windows`, `linux` and `macos` platforms are supported")
/// Identifier for a monitor.