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NSGL: Update current display for display link
This solution of one display link per window is far from ideal but is still better than no solution. As a side-effect this fixes swap interval breaking being ignored for occluded windows on earlier versions of macOS. Fixes #680. Fixes #1337. Related to #1417. Fixes #1435.
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@ -32,8 +32,6 @@
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#include <math.h>
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#include <IOKit/graphics/IOGraphicsLib.h>
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#include <CoreVideo/CVBase.h>
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#include <CoreVideo/CVDisplayLink.h>
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#include <ApplicationServices/ApplicationServices.h>
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@ -28,6 +28,9 @@
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#include <dlfcn.h>
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#include <Carbon/Carbon.h>
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#include <CoreVideo/CVBase.h>
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#include <CoreVideo/CVDisplayLink.h>
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#if defined(__OBJC__)
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#import <Cocoa/Cocoa.h>
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#else
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@ -338,6 +338,12 @@ static const NSRange kEmptyRange = { NSNotFound, 0 };
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_glfwInputWindowFocus(window, GLFW_FALSE);
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}
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- (void)windowDidChangeScreen:(NSNotification *)notification
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{
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if (window->context.source == GLFW_NATIVE_CONTEXT_API)
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_glfwUpdateDisplayLinkDisplayNSGL(window);
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}
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@end
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@ -27,8 +27,6 @@
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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL nsgl
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#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryNSGL nsgl
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#import <CoreVideo/CoreVideo.h>
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#include <stdatomic.h>
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@ -61,4 +59,5 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContextNSGL(_GLFWwindow* window);
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void _glfwUpdateDisplayLinkDisplayNSGL(_GLFWwindow* window);
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@ -367,6 +367,8 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
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[window->context.nsgl.object setView:window->ns.view];
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window->context.nsgl.swapIntervalCond = [NSCondition new];
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window->context.makeCurrent = makeContextCurrentNSGL;
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window->context.swapBuffers = swapBuffersNSGL;
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window->context.swapInterval = swapIntervalNSGL;
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@ -378,16 +380,22 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
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CVDisplayLinkSetOutputCallback(window->context.nsgl.displayLink,
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&displayLinkCallback,
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window);
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CVDisplayLinkSetCurrentCGDisplayFromOpenGLContext(window->context.nsgl.displayLink,
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(CGLContextObj) window->context.nsgl.object,
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(CGLPixelFormatObj) window->context.nsgl.pixelFormat);
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CVDisplayLinkStart(window->context.nsgl.displayLink);
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window->context.nsgl.swapIntervalCond = [NSCondition new];
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_glfwUpdateDisplayLinkDisplayNSGL(window);
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return GLFW_TRUE;
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}
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void _glfwUpdateDisplayLinkDisplayNSGL(_GLFWwindow* window)
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{
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CGDirectDisplayID displayID =
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[[[window->ns.object screen] deviceDescription][@"NSScreenNumber"] unsignedIntValue];
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if (!displayID)
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return;
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CVDisplayLinkSetCurrentCGDisplay(window->context.nsgl.displayLink, displayID);
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW native API //////
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