diff options
| -rw-r--r-- | src/egl/ffi.rs | 150 | ||||
| -rw-r--r-- | src/egl/mod.rs | 150 | ||||
| -rw-r--r-- | src/lib.rs | 3 |
3 files changed, 303 insertions, 0 deletions
diff --git a/src/egl/ffi.rs b/src/egl/ffi.rs new file mode 100644 index 0000000..4b62e22 --- /dev/null +++ b/src/egl/ffi.rs @@ -0,0 +1,150 @@ +#![allow(dead_code)] +#![allow(non_snake_case_functions)] +#![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 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; + +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, EGLConfig config, window: NativeWindowType, attrib_list: *const EGLint) -> EGLSurface; + //pub fn eglCreatePixmapSurface(dpy: EGLDisplay, EGLConfig config, 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; +} 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); + } + } +} @@ -17,6 +17,9 @@ mod win32; #[cfg(unix)] mod x11; +#[allow(dead_code)] +//mod egl; + mod events; mod hints; |