Merge commit 'a120e3f70101ebe90f92fe59436a37e6caf42adf' as 'deps/glfw'
This commit is contained in:
631
deps/glfw/src/cocoa_monitor.m
vendored
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631
deps/glfw/src/cocoa_monitor.m
vendored
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@ -0,0 +1,631 @@
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//========================================================================
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// GLFW 3.3 macOS - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org>
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//
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||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
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||||
//
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||||
// Permission is granted to anyone to use this software for any purpose,
|
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// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
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||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
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||||
// 3. This notice may not be removed or altered from any source
|
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// distribution.
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||||
//
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||||
//========================================================================
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// It is fine to use C99 in this file because it will not be built with VS
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||||
//========================================================================
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#include "internal.h"
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#include <stdlib.h>
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#include <limits.h>
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#include <math.h>
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#include <IOKit/graphics/IOGraphicsLib.h>
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||||
#include <ApplicationServices/ApplicationServices.h>
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|
||||
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// Get the name of the specified display, or NULL
|
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//
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static char* getMonitorName(CGDirectDisplayID displayID, NSScreen* screen)
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||||
{
|
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// IOKit doesn't work on Apple Silicon anymore
|
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// Luckily, 10.15 introduced -[NSScreen localizedName].
|
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// Use it if available, and fall back to IOKit otherwise.
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if (screen)
|
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{
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if ([screen respondsToSelector:@selector(localizedName)])
|
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{
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NSString* name = [screen valueForKey:@"localizedName"];
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if (name)
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return _glfw_strdup([name UTF8String]);
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}
|
||||
}
|
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io_iterator_t it;
|
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io_service_t service;
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CFDictionaryRef info;
|
||||
|
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if (IOServiceGetMatchingServices(MACH_PORT_NULL,
|
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IOServiceMatching("IODisplayConnect"),
|
||||
&it) != 0)
|
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{
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// This may happen if a desktop Mac is running headless
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return _glfw_strdup("Display");
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}
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while ((service = IOIteratorNext(it)) != 0)
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{
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info = IODisplayCreateInfoDictionary(service,
|
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kIODisplayOnlyPreferredName);
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|
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CFNumberRef vendorIDRef =
|
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CFDictionaryGetValue(info, CFSTR(kDisplayVendorID));
|
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CFNumberRef productIDRef =
|
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CFDictionaryGetValue(info, CFSTR(kDisplayProductID));
|
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if (!vendorIDRef || !productIDRef)
|
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{
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CFRelease(info);
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continue;
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}
|
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|
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unsigned int vendorID, productID;
|
||||
CFNumberGetValue(vendorIDRef, kCFNumberIntType, &vendorID);
|
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CFNumberGetValue(productIDRef, kCFNumberIntType, &productID);
|
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|
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if (CGDisplayVendorNumber(displayID) == vendorID &&
|
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CGDisplayModelNumber(displayID) == productID)
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{
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// Info dictionary is used and freed below
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break;
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}
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|
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CFRelease(info);
|
||||
}
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|
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IOObjectRelease(it);
|
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|
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if (!service)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Cocoa: Failed to find service port for display");
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return _glfw_strdup("Display");
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}
|
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|
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CFDictionaryRef names =
|
||||
CFDictionaryGetValue(info, CFSTR(kDisplayProductName));
|
||||
|
||||
CFStringRef nameRef;
|
||||
|
||||
if (!names || !CFDictionaryGetValueIfPresent(names, CFSTR("en_US"),
|
||||
(const void**) &nameRef))
|
||||
{
|
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// This may happen if a desktop Mac is running headless
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CFRelease(info);
|
||||
return _glfw_strdup("Display");
|
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}
|
||||
|
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const CFIndex size =
|
||||
CFStringGetMaximumSizeForEncoding(CFStringGetLength(nameRef),
|
||||
kCFStringEncodingUTF8);
|
||||
char* name = calloc(size + 1, 1);
|
||||
CFStringGetCString(nameRef, name, size, kCFStringEncodingUTF8);
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|
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CFRelease(info);
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return name;
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}
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// Check whether the display mode should be included in enumeration
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//
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static GLFWbool modeIsGood(CGDisplayModeRef mode)
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{
|
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uint32_t flags = CGDisplayModeGetIOFlags(mode);
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|
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if (!(flags & kDisplayModeValidFlag) || !(flags & kDisplayModeSafeFlag))
|
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return GLFW_FALSE;
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if (flags & kDisplayModeInterlacedFlag)
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return GLFW_FALSE;
|
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if (flags & kDisplayModeStretchedFlag)
|
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return GLFW_FALSE;
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#if MAC_OS_X_VERSION_MAX_ALLOWED <= 101100
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CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
|
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if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) &&
|
||||
CFStringCompare(format, CFSTR(IO32BitDirectPixels), 0))
|
||||
{
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CFRelease(format);
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return GLFW_FALSE;
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||||
}
|
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|
||||
CFRelease(format);
|
||||
#endif /* MAC_OS_X_VERSION_MAX_ALLOWED */
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return GLFW_TRUE;
|
||||
}
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|
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// Convert Core Graphics display mode to GLFW video mode
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//
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static GLFWvidmode vidmodeFromCGDisplayMode(CGDisplayModeRef mode,
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double fallbackRefreshRate)
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{
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GLFWvidmode result;
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result.width = (int) CGDisplayModeGetWidth(mode);
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result.height = (int) CGDisplayModeGetHeight(mode);
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result.refreshRate = (int) round(CGDisplayModeGetRefreshRate(mode));
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if (result.refreshRate == 0)
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result.refreshRate = (int) round(fallbackRefreshRate);
|
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|
||||
#if MAC_OS_X_VERSION_MAX_ALLOWED <= 101100
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CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
|
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if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) == 0)
|
||||
{
|
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result.redBits = 5;
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||||
result.greenBits = 5;
|
||||
result.blueBits = 5;
|
||||
}
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||||
else
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||||
#endif /* MAC_OS_X_VERSION_MAX_ALLOWED */
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||||
{
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result.redBits = 8;
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result.greenBits = 8;
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||||
result.blueBits = 8;
|
||||
}
|
||||
|
||||
#if MAC_OS_X_VERSION_MAX_ALLOWED <= 101100
|
||||
CFRelease(format);
|
||||
#endif /* MAC_OS_X_VERSION_MAX_ALLOWED */
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||||
return result;
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||||
}
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// Starts reservation for display fading
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//
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static CGDisplayFadeReservationToken beginFadeReservation(void)
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{
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||||
CGDisplayFadeReservationToken token = kCGDisplayFadeReservationInvalidToken;
|
||||
|
||||
if (CGAcquireDisplayFadeReservation(5, &token) == kCGErrorSuccess)
|
||||
{
|
||||
CGDisplayFade(token, 0.3,
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||||
kCGDisplayBlendNormal,
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||||
kCGDisplayBlendSolidColor,
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||||
0.0, 0.0, 0.0,
|
||||
TRUE);
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||||
}
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||||
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||||
return token;
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||||
}
|
||||
|
||||
// Ends reservation for display fading
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||||
//
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static void endFadeReservation(CGDisplayFadeReservationToken token)
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{
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if (token != kCGDisplayFadeReservationInvalidToken)
|
||||
{
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||||
CGDisplayFade(token, 0.5,
|
||||
kCGDisplayBlendSolidColor,
|
||||
kCGDisplayBlendNormal,
|
||||
0.0, 0.0, 0.0,
|
||||
FALSE);
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||||
CGReleaseDisplayFadeReservation(token);
|
||||
}
|
||||
}
|
||||
|
||||
// Returns the display refresh rate queried from the I/O registry
|
||||
//
|
||||
static double getFallbackRefreshRate(CGDirectDisplayID displayID)
|
||||
{
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double refreshRate = 60.0;
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||||
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io_iterator_t it;
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||||
io_service_t service;
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||||
|
||||
if (IOServiceGetMatchingServices(MACH_PORT_NULL,
|
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IOServiceMatching("IOFramebuffer"),
|
||||
&it) != 0)
|
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{
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return refreshRate;
|
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}
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|
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while ((service = IOIteratorNext(it)) != 0)
|
||||
{
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||||
const CFNumberRef indexRef =
|
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IORegistryEntryCreateCFProperty(service,
|
||||
CFSTR("IOFramebufferOpenGLIndex"),
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kCFAllocatorDefault,
|
||||
kNilOptions);
|
||||
if (!indexRef)
|
||||
continue;
|
||||
|
||||
uint32_t index = 0;
|
||||
CFNumberGetValue(indexRef, kCFNumberIntType, &index);
|
||||
CFRelease(indexRef);
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|
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if (CGOpenGLDisplayMaskToDisplayID(1 << index) != displayID)
|
||||
continue;
|
||||
|
||||
const CFNumberRef clockRef =
|
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IORegistryEntryCreateCFProperty(service,
|
||||
CFSTR("IOFBCurrentPixelClock"),
|
||||
kCFAllocatorDefault,
|
||||
kNilOptions);
|
||||
const CFNumberRef countRef =
|
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IORegistryEntryCreateCFProperty(service,
|
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CFSTR("IOFBCurrentPixelCount"),
|
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kCFAllocatorDefault,
|
||||
kNilOptions);
|
||||
|
||||
uint32_t clock = 0, count = 0;
|
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|
||||
if (clockRef)
|
||||
{
|
||||
CFNumberGetValue(clockRef, kCFNumberIntType, &clock);
|
||||
CFRelease(clockRef);
|
||||
}
|
||||
|
||||
if (countRef)
|
||||
{
|
||||
CFNumberGetValue(countRef, kCFNumberIntType, &count);
|
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CFRelease(countRef);
|
||||
}
|
||||
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if (clock > 0 && count > 0)
|
||||
refreshRate = clock / (double) count;
|
||||
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||||
break;
|
||||
}
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||||
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||||
IOObjectRelease(it);
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||||
return refreshRate;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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||||
//////////////////////////////////////////////////////////////////////////
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// Poll for changes in the set of connected monitors
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//
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||||
void _glfwPollMonitorsNS(void)
|
||||
{
|
||||
uint32_t displayCount;
|
||||
CGGetOnlineDisplayList(0, NULL, &displayCount);
|
||||
CGDirectDisplayID* displays = calloc(displayCount, sizeof(CGDirectDisplayID));
|
||||
CGGetOnlineDisplayList(displayCount, displays, &displayCount);
|
||||
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for (int i = 0; i < _glfw.monitorCount; i++)
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||||
_glfw.monitors[i]->ns.screen = nil;
|
||||
|
||||
_GLFWmonitor** disconnected = NULL;
|
||||
uint32_t disconnectedCount = _glfw.monitorCount;
|
||||
if (disconnectedCount)
|
||||
{
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||||
disconnected = calloc(_glfw.monitorCount, sizeof(_GLFWmonitor*));
|
||||
memcpy(disconnected,
|
||||
_glfw.monitors,
|
||||
_glfw.monitorCount * sizeof(_GLFWmonitor*));
|
||||
}
|
||||
|
||||
for (uint32_t i = 0; i < displayCount; i++)
|
||||
{
|
||||
if (CGDisplayIsAsleep(displays[i]))
|
||||
continue;
|
||||
|
||||
const uint32_t unitNumber = CGDisplayUnitNumber(displays[i]);
|
||||
NSScreen* screen = nil;
|
||||
|
||||
for (screen in [NSScreen screens])
|
||||
{
|
||||
NSNumber* screenNumber = [screen deviceDescription][@"NSScreenNumber"];
|
||||
|
||||
// HACK: Compare unit numbers instead of display IDs to work around
|
||||
// display replacement on machines with automatic graphics
|
||||
// switching
|
||||
if (CGDisplayUnitNumber([screenNumber unsignedIntValue]) == unitNumber)
|
||||
break;
|
||||
}
|
||||
|
||||
// HACK: Compare unit numbers instead of display IDs to work around
|
||||
// display replacement on machines with automatic graphics
|
||||
// switching
|
||||
uint32_t j;
|
||||
for (j = 0; j < disconnectedCount; j++)
|
||||
{
|
||||
if (disconnected[j] && disconnected[j]->ns.unitNumber == unitNumber)
|
||||
{
|
||||
disconnected[j]->ns.screen = screen;
|
||||
disconnected[j] = NULL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (j < disconnectedCount)
|
||||
continue;
|
||||
|
||||
const CGSize size = CGDisplayScreenSize(displays[i]);
|
||||
char* name = getMonitorName(displays[i], screen);
|
||||
if (!name)
|
||||
continue;
|
||||
|
||||
_GLFWmonitor* monitor = _glfwAllocMonitor(name, size.width, size.height);
|
||||
monitor->ns.displayID = displays[i];
|
||||
monitor->ns.unitNumber = unitNumber;
|
||||
monitor->ns.screen = screen;
|
||||
|
||||
free(name);
|
||||
|
||||
CGDisplayModeRef mode = CGDisplayCopyDisplayMode(displays[i]);
|
||||
if (CGDisplayModeGetRefreshRate(mode) == 0.0)
|
||||
monitor->ns.fallbackRefreshRate = getFallbackRefreshRate(displays[i]);
|
||||
CGDisplayModeRelease(mode);
|
||||
|
||||
_glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST);
|
||||
}
|
||||
|
||||
for (uint32_t i = 0; i < disconnectedCount; i++)
|
||||
{
|
||||
if (disconnected[i])
|
||||
_glfwInputMonitor(disconnected[i], GLFW_DISCONNECTED, 0);
|
||||
}
|
||||
|
||||
free(disconnected);
|
||||
free(displays);
|
||||
}
|
||||
|
||||
// Change the current video mode
|
||||
//
|
||||
void _glfwSetVideoModeNS(_GLFWmonitor* monitor, const GLFWvidmode* desired)
|
||||
{
|
||||
GLFWvidmode current;
|
||||
_glfwPlatformGetVideoMode(monitor, ¤t);
|
||||
|
||||
const GLFWvidmode* best = _glfwChooseVideoMode(monitor, desired);
|
||||
if (_glfwCompareVideoModes(¤t, best) == 0)
|
||||
return;
|
||||
|
||||
CFArrayRef modes = CGDisplayCopyAllDisplayModes(monitor->ns.displayID, NULL);
|
||||
const CFIndex count = CFArrayGetCount(modes);
|
||||
CGDisplayModeRef native = NULL;
|
||||
|
||||
for (CFIndex i = 0; i < count; i++)
|
||||
{
|
||||
CGDisplayModeRef dm = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
|
||||
if (!modeIsGood(dm))
|
||||
continue;
|
||||
|
||||
const GLFWvidmode mode =
|
||||
vidmodeFromCGDisplayMode(dm, monitor->ns.fallbackRefreshRate);
|
||||
if (_glfwCompareVideoModes(best, &mode) == 0)
|
||||
{
|
||||
native = dm;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (native)
|
||||
{
|
||||
if (monitor->ns.previousMode == NULL)
|
||||
monitor->ns.previousMode = CGDisplayCopyDisplayMode(monitor->ns.displayID);
|
||||
|
||||
CGDisplayFadeReservationToken token = beginFadeReservation();
|
||||
CGDisplaySetDisplayMode(monitor->ns.displayID, native, NULL);
|
||||
endFadeReservation(token);
|
||||
}
|
||||
|
||||
CFRelease(modes);
|
||||
}
|
||||
|
||||
// Restore the previously saved (original) video mode
|
||||
//
|
||||
void _glfwRestoreVideoModeNS(_GLFWmonitor* monitor)
|
||||
{
|
||||
if (monitor->ns.previousMode)
|
||||
{
|
||||
CGDisplayFadeReservationToken token = beginFadeReservation();
|
||||
CGDisplaySetDisplayMode(monitor->ns.displayID,
|
||||
monitor->ns.previousMode, NULL);
|
||||
endFadeReservation(token);
|
||||
|
||||
CGDisplayModeRelease(monitor->ns.previousMode);
|
||||
monitor->ns.previousMode = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
////// GLFW platform API //////
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor)
|
||||
{
|
||||
}
|
||||
|
||||
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
const CGRect bounds = CGDisplayBounds(monitor->ns.displayID);
|
||||
|
||||
if (xpos)
|
||||
*xpos = (int) bounds.origin.x;
|
||||
if (ypos)
|
||||
*ypos = (int) bounds.origin.y;
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
|
||||
float* xscale, float* yscale)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
if (!monitor->ns.screen)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"Cocoa: Cannot query content scale without screen");
|
||||
}
|
||||
|
||||
const NSRect points = [monitor->ns.screen frame];
|
||||
const NSRect pixels = [monitor->ns.screen convertRectToBacking:points];
|
||||
|
||||
if (xscale)
|
||||
*xscale = (float) (pixels.size.width / points.size.width);
|
||||
if (yscale)
|
||||
*yscale = (float) (pixels.size.height / points.size.height);
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor,
|
||||
int* xpos, int* ypos,
|
||||
int* width, int* height)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
if (!monitor->ns.screen)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"Cocoa: Cannot query workarea without screen");
|
||||
}
|
||||
|
||||
const NSRect frameRect = [monitor->ns.screen visibleFrame];
|
||||
|
||||
if (xpos)
|
||||
*xpos = frameRect.origin.x;
|
||||
if (ypos)
|
||||
*ypos = _glfwTransformYNS(frameRect.origin.y + frameRect.size.height - 1);
|
||||
if (width)
|
||||
*width = frameRect.size.width;
|
||||
if (height)
|
||||
*height = frameRect.size.height;
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
*count = 0;
|
||||
|
||||
CFArrayRef modes = CGDisplayCopyAllDisplayModes(monitor->ns.displayID, NULL);
|
||||
const CFIndex found = CFArrayGetCount(modes);
|
||||
GLFWvidmode* result = calloc(found, sizeof(GLFWvidmode));
|
||||
|
||||
for (CFIndex i = 0; i < found; i++)
|
||||
{
|
||||
CGDisplayModeRef dm = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
|
||||
if (!modeIsGood(dm))
|
||||
continue;
|
||||
|
||||
const GLFWvidmode mode =
|
||||
vidmodeFromCGDisplayMode(dm, monitor->ns.fallbackRefreshRate);
|
||||
CFIndex j;
|
||||
|
||||
for (j = 0; j < *count; j++)
|
||||
{
|
||||
if (_glfwCompareVideoModes(result + j, &mode) == 0)
|
||||
break;
|
||||
}
|
||||
|
||||
// Skip duplicate modes
|
||||
if (j < *count)
|
||||
continue;
|
||||
|
||||
(*count)++;
|
||||
result[*count - 1] = mode;
|
||||
}
|
||||
|
||||
CFRelease(modes);
|
||||
return result;
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode *mode)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
CGDisplayModeRef native = CGDisplayCopyDisplayMode(monitor->ns.displayID);
|
||||
*mode = vidmodeFromCGDisplayMode(native, monitor->ns.fallbackRefreshRate);
|
||||
CGDisplayModeRelease(native);
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
uint32_t size = CGDisplayGammaTableCapacity(monitor->ns.displayID);
|
||||
CGGammaValue* values = calloc(size * 3, sizeof(CGGammaValue));
|
||||
|
||||
CGGetDisplayTransferByTable(monitor->ns.displayID,
|
||||
size,
|
||||
values,
|
||||
values + size,
|
||||
values + size * 2,
|
||||
&size);
|
||||
|
||||
_glfwAllocGammaArrays(ramp, size);
|
||||
|
||||
for (uint32_t i = 0; i < size; i++)
|
||||
{
|
||||
ramp->red[i] = (unsigned short) (values[i] * 65535);
|
||||
ramp->green[i] = (unsigned short) (values[i + size] * 65535);
|
||||
ramp->blue[i] = (unsigned short) (values[i + size * 2] * 65535);
|
||||
}
|
||||
|
||||
free(values);
|
||||
return GLFW_TRUE;
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
|
||||
{
|
||||
@autoreleasepool {
|
||||
|
||||
CGGammaValue* values = calloc(ramp->size * 3, sizeof(CGGammaValue));
|
||||
|
||||
for (unsigned int i = 0; i < ramp->size; i++)
|
||||
{
|
||||
values[i] = ramp->red[i] / 65535.f;
|
||||
values[i + ramp->size] = ramp->green[i] / 65535.f;
|
||||
values[i + ramp->size * 2] = ramp->blue[i] / 65535.f;
|
||||
}
|
||||
|
||||
CGSetDisplayTransferByTable(monitor->ns.displayID,
|
||||
ramp->size,
|
||||
values,
|
||||
values + ramp->size,
|
||||
values + ramp->size * 2);
|
||||
|
||||
free(values);
|
||||
|
||||
} // autoreleasepool
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
////// GLFW native API //////
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* handle)
|
||||
{
|
||||
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(kCGNullDirectDisplay);
|
||||
return monitor->ns.displayID;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user