From 2a66d1cffccd74db2dd52925da31860f9330f27e Mon Sep 17 00:00:00 2001 From: Fredrik Noren Date: Mon, 18 Jan 2016 13:12:40 -0500 Subject: [PATCH] Construct cocoa headless context based on args --- src/api/cocoa/headless.rs | 20 +++------ src/api/cocoa/helpers.rs | 88 ++++++++++++++++++++++++++++++++++++ src/api/cocoa/mod.rs | 95 +++++---------------------------------- tests/headless.rs | 2 - 4 files changed, 105 insertions(+), 100 deletions(-) create mode 100644 src/api/cocoa/helpers.rs diff --git a/src/api/cocoa/headless.rs b/src/api/cocoa/headless.rs index c12f0162..7fe2046a 100644 --- a/src/api/cocoa/headless.rs +++ b/src/api/cocoa/headless.rs @@ -4,8 +4,6 @@ use CreationError::OsError; use GlAttributes; use GlContext; use PixelFormatRequirements; -use std::os::raw::c_void; -use std::ptr; use core_foundation::base::TCFType; use core_foundation::string::CFString; @@ -13,6 +11,7 @@ use core_foundation::bundle::{CFBundleGetBundleWithIdentifier, CFBundleGetFuncti use cocoa::base::{id, nil}; use cocoa::appkit::*; use PixelFormat; +use api::cocoa::helpers; pub struct HeadlessContext { width: u32, @@ -21,21 +20,12 @@ pub struct HeadlessContext { } impl HeadlessContext { - pub fn new((width, height): (u32, u32), _pf_reqs: &PixelFormatRequirements, - _opengl: &GlAttributes<&HeadlessContext>) -> Result + pub fn new((width, height): (u32, u32), pf_reqs: &PixelFormatRequirements, + opengl: &GlAttributes<&HeadlessContext>) -> Result { let context = unsafe { - let attributes = [ - NSOpenGLPFADoubleBuffer as u32, - NSOpenGLPFAClosestPolicy as u32, - NSOpenGLPFAColorSize as u32, 24, - NSOpenGLPFAAlphaSize as u32, 8, - NSOpenGLPFADepthSize as u32, 24, - NSOpenGLPFAStencilSize as u32, 8, - NSOpenGLPFAOpenGLProfile as u32, NSOpenGLProfileVersion3_2Core as u32, - 0 - ]; + let attributes = try!(helpers::build_nsattributes(pf_reqs, opengl)); let pixelformat = NSOpenGLPixelFormat::alloc(nil).initWithAttributes_(&attributes); if pixelformat == nil { @@ -66,7 +56,7 @@ impl GlContext for HeadlessContext { #[inline] fn is_current(&self) -> bool { - true + unimplemented!() } #[inline] diff --git a/src/api/cocoa/helpers.rs b/src/api/cocoa/helpers.rs new file mode 100644 index 00000000..7fd75710 --- /dev/null +++ b/src/api/cocoa/helpers.rs @@ -0,0 +1,88 @@ + +use CreationError; +use GlAttributes; +use GlProfile; +use GlRequest; +use PixelFormatRequirements; +use ReleaseBehavior; +use cocoa::foundation::NSAutoreleasePool; +use cocoa::appkit::*; + +pub fn build_nsattributes(pf_reqs: &PixelFormatRequirements, opengl: &GlAttributes<&T>) + -> Result, CreationError> { + + let profile = match (opengl.version, opengl.version.to_gl_version(), opengl.profile) { + + // Note: we are not using ranges because of a rust bug that should be fixed here: + // https://github.com/rust-lang/rust/pull/27050 + + (GlRequest::Latest, _, Some(GlProfile::Compatibility)) => NSOpenGLProfileVersionLegacy as u32, + (GlRequest::Latest, _, _) => { + if NSAppKitVersionNumber.floor() >= NSAppKitVersionNumber10_9 { + NSOpenGLProfileVersion4_1Core as u32 + } else if NSAppKitVersionNumber.floor() >= NSAppKitVersionNumber10_7 { + NSOpenGLProfileVersion3_2Core as u32 + } else { + NSOpenGLProfileVersionLegacy as u32 + } + }, + + (_, Some((1, _)), _) => NSOpenGLProfileVersionLegacy as u32, + (_, Some((2, _)), _) => NSOpenGLProfileVersionLegacy as u32, + (_, Some((3, 0)), _) => NSOpenGLProfileVersionLegacy as u32, + (_, Some((3, 1)), _) => NSOpenGLProfileVersionLegacy as u32, + (_, Some((3, 2)), _) => NSOpenGLProfileVersion3_2Core as u32, + (_, Some((3, _)), Some(GlProfile::Compatibility)) => return Err(CreationError::OpenGlVersionNotSupported), + (_, Some((3, _)), _) => NSOpenGLProfileVersion4_1Core as u32, + (_, Some((4, _)), Some(GlProfile::Compatibility)) => return Err(CreationError::OpenGlVersionNotSupported), + (_, Some((4, _)), _) => NSOpenGLProfileVersion4_1Core as u32, + _ => return Err(CreationError::OpenGlVersionNotSupported), + }; + + // NOTE: OS X no longer has the concept of setting individual + // color component's bit size. Instead we can only specify the + // full color size and hope for the best. Another hiccup is that + // `NSOpenGLPFAColorSize` also includes `NSOpenGLPFAAlphaSize`, + // so we have to account for that as well. + let alpha_depth = pf_reqs.alpha_bits.unwrap_or(8); + let color_depth = pf_reqs.color_bits.unwrap_or(24) + alpha_depth; + + // TODO: handle hardware_accelerated parameter of pf_reqs + + let mut attributes = vec![ + NSOpenGLPFADoubleBuffer as u32, + NSOpenGLPFAClosestPolicy as u32, + NSOpenGLPFAColorSize as u32, color_depth as u32, + NSOpenGLPFAAlphaSize as u32, alpha_depth as u32, + NSOpenGLPFADepthSize as u32, pf_reqs.depth_bits.unwrap_or(24) as u32, + NSOpenGLPFAStencilSize as u32, pf_reqs.stencil_bits.unwrap_or(8) as u32, + NSOpenGLPFAOpenGLProfile as u32, profile, + ]; + + if pf_reqs.release_behavior != ReleaseBehavior::Flush { + return Err(CreationError::NoAvailablePixelFormat); + } + + if pf_reqs.stereoscopy { + unimplemented!(); // TODO: + } + + if pf_reqs.double_buffer == Some(false) { + unimplemented!(); // TODO: + } + + if pf_reqs.float_color_buffer { + attributes.push(NSOpenGLPFAColorFloat as u32); + } + + pf_reqs.multisampling.map(|samples| { + attributes.push(NSOpenGLPFAMultisample as u32); + attributes.push(NSOpenGLPFASampleBuffers as u32); attributes.push(1); + attributes.push(NSOpenGLPFASamples as u32); attributes.push(samples as u32); + }); + + // attribute list must be null terminated. + attributes.push(0); + + Ok(attributes) +} diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs index a720a512..28cbb552 100644 --- a/src/api/cocoa/mod.rs +++ b/src/api/cocoa/mod.rs @@ -24,8 +24,8 @@ use objc::declare::ClassDecl; use cgl::{CGLEnable, kCGLCECrashOnRemovedFunctions, CGLSetParameter, kCGLCPSurfaceOpacity}; use cocoa::base::{id, nil}; -use cocoa::foundation::{NSAutoreleasePool, NSDate, NSDefaultRunLoopMode, NSPoint, NSRect, NSSize, - NSString, NSUInteger}; +use cocoa::foundation::{NSAutoreleasePool, NSDate, NSDefaultRunLoopMode, NSPoint, NSRect, NSSize, + NSString, NSUInteger}; use cocoa::appkit; use cocoa::appkit::*; use cocoa::appkit::NSEventSubtype::*; @@ -54,6 +54,7 @@ pub use self::monitor::{MonitorId, get_available_monitors, get_primary_monitor}; mod monitor; mod event; mod headless; +mod helpers; static mut shift_pressed: bool = false; static mut ctrl_pressed: bool = false; @@ -137,7 +138,7 @@ impl WindowDelegate { window_should_close as extern fn(&Object, Sel, id) -> BOOL); decl.add_method(sel!(windowDidResize:), window_did_resize as extern fn(&Object, Sel, id)); - + decl.add_method(sel!(windowDidBecomeKey:), window_did_become_key as extern fn(&Object, Sel, id)); decl.add_method(sel!(windowDidResignKey:), @@ -317,7 +318,7 @@ impl Window { let mut opacity = 0; CGLSetParameter(obj as *mut _, kCGLCPSurfaceOpacity, &mut opacity); } - + app.activateIgnoringOtherApps_(YES); if win_attribs.visible { window.makeKeyAndOrderFront_(nil); @@ -359,7 +360,7 @@ impl Window { } fn create_window(attrs: &WindowAttributes) -> Option { - unsafe { + unsafe { let screen = match attrs.monitor { Some(ref monitor_id) => { let native_id = match monitor_id.get_native_identifier() { @@ -414,7 +415,7 @@ impl Window { NSTitledWindowMask as NSUInteger | NSFullSizeContentViewWindowMask as NSUInteger }; - + let window = IdRef::new(NSWindow::alloc(nil).initWithContentRect_styleMask_backing_defer_( frame, masks, @@ -456,79 +457,7 @@ impl Window { fn create_context(view: id, pf_reqs: &PixelFormatRequirements, opengl: &GlAttributes<&Window>) -> Result<(IdRef, PixelFormat), CreationError> { - let profile = match (opengl.version, opengl.version.to_gl_version(), opengl.profile) { - - // Note: we are not using ranges because of a rust bug that should be fixed here: - // https://github.com/rust-lang/rust/pull/27050 - - (GlRequest::Latest, _, Some(GlProfile::Compatibility)) => NSOpenGLProfileVersionLegacy as u32, - (GlRequest::Latest, _, _) => { - if NSAppKitVersionNumber.floor() >= NSAppKitVersionNumber10_9 { - NSOpenGLProfileVersion4_1Core as u32 - } else if NSAppKitVersionNumber.floor() >= NSAppKitVersionNumber10_7 { - NSOpenGLProfileVersion3_2Core as u32 - } else { - NSOpenGLProfileVersionLegacy as u32 - } - }, - - (_, Some((1, _)), _) => NSOpenGLProfileVersionLegacy as u32, - (_, Some((2, _)), _) => NSOpenGLProfileVersionLegacy as u32, - (_, Some((3, 0)), _) => NSOpenGLProfileVersionLegacy as u32, - (_, Some((3, 1)), _) => NSOpenGLProfileVersionLegacy as u32, - (_, Some((3, 2)), _) => NSOpenGLProfileVersion3_2Core as u32, - (_, Some((3, _)), Some(GlProfile::Compatibility)) => return Err(CreationError::OpenGlVersionNotSupported), - (_, Some((3, _)), _) => NSOpenGLProfileVersion4_1Core as u32, - (_, Some((4, _)), Some(GlProfile::Compatibility)) => return Err(CreationError::OpenGlVersionNotSupported), - (_, Some((4, _)), _) => NSOpenGLProfileVersion4_1Core as u32, - _ => return Err(CreationError::OpenGlVersionNotSupported), - }; - - // NOTE: OS X no longer has the concept of setting individual - // color component's bit size. Instead we can only specify the - // full color size and hope for the best. Another hiccup is that - // `NSOpenGLPFAColorSize` also includes `NSOpenGLPFAAlphaSize`, - // so we have to account for that as well. - let alpha_depth = pf_reqs.alpha_bits.unwrap_or(8); - let color_depth = pf_reqs.color_bits.unwrap_or(24) + alpha_depth; - - // TODO: handle hardware_accelerated parameter of pf_reqs - - let mut attributes = vec![ - NSOpenGLPFADoubleBuffer as u32, - NSOpenGLPFAClosestPolicy as u32, - NSOpenGLPFAColorSize as u32, color_depth as u32, - NSOpenGLPFAAlphaSize as u32, alpha_depth as u32, - NSOpenGLPFADepthSize as u32, pf_reqs.depth_bits.unwrap_or(24) as u32, - NSOpenGLPFAStencilSize as u32, pf_reqs.stencil_bits.unwrap_or(8) as u32, - NSOpenGLPFAOpenGLProfile as u32, profile, - ]; - - if pf_reqs.release_behavior != ReleaseBehavior::Flush { - return Err(CreationError::NoAvailablePixelFormat); - } - - if pf_reqs.stereoscopy { - unimplemented!(); // TODO: - } - - if pf_reqs.double_buffer == Some(false) { - unimplemented!(); // TODO: - } - - if pf_reqs.float_color_buffer { - attributes.push(NSOpenGLPFAColorFloat as u32); - } - - pf_reqs.multisampling.map(|samples| { - attributes.push(NSOpenGLPFAMultisample as u32); - attributes.push(NSOpenGLPFASampleBuffers as u32); attributes.push(1); - attributes.push(NSOpenGLPFASamples as u32); attributes.push(samples as u32); - }); - - // attribute list must be null terminated. - attributes.push(0); - + let attributes = try!(helpers::build_nsattributes(pf_reqs, opengl)); unsafe { let pixelformat = IdRef::new(NSOpenGLPixelFormat::alloc(nil).initWithAttributes_(&attributes)); @@ -604,7 +533,7 @@ impl Window { pub fn get_position(&self) -> Option<(i32, i32)> { unsafe { let content_rect = NSWindow::contentRectForFrameRect_(*self.window, NSWindow::frame(*self.window)); - + // TODO: consider extrapolating the calculations for the y axis to // a private method Some((content_rect.origin.x as i32, (CGDisplayPixelsHigh(CGMainDisplayID()) as f64 - (content_rect.origin.y + content_rect.size.height)) as i32)) @@ -616,7 +545,7 @@ impl Window { let frame = NSWindow::frame(*self.view); // NOTE: `setFrameOrigin` might not give desirable results when - // setting window, as it treats bottom left as origin. + // setting window, as it treats bottom left as origin. // `setFrameTopLeftPoint` treats top left as origin (duh), but // does not equal the value returned by `get_window_position` // (there is a difference by 22 for me on yosemite) @@ -699,7 +628,7 @@ impl Window { } pub fn set_cursor(&self, cursor: MouseCursor) { - let cursor_name = match cursor { + let cursor_name = match cursor { MouseCursor::Arrow | MouseCursor::Default => "arrowCursor", MouseCursor::Hand => "pointingHandCursor", MouseCursor::Grabbing | MouseCursor::Grab => "closedHandCursor", @@ -768,7 +697,7 @@ impl Window { pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> { let (window_x, window_y) = self.get_position().unwrap_or((0, 0)); let (cursor_x, cursor_y) = (window_x + x, window_y + y); - + unsafe { // TODO: Check for errors. let _ = CGWarpMouseCursorPosition(CGPoint { x: cursor_x as CGFloat, y: cursor_y as CGFloat }); diff --git a/tests/headless.rs b/tests/headless.rs index c6a56365..c22be40e 100644 --- a/tests/headless.rs +++ b/tests/headless.rs @@ -48,8 +48,6 @@ fn test_headless() { let mut values: Vec = vec![0;(width*height*4) as usize]; gl.ReadPixels(0, 0, width, height, gl::RGBA, gl::UNSIGNED_BYTE, values.as_mut_ptr() as *mut GLvoid); - println!("{:?}", values); - assert_eq!(values[0], 0); assert_eq!(values[1], 255); assert_eq!(values[2], 0);