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core: workaround window not being rendered till moved on macOS Mojave

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Apple ought to fix their OpenGL implementation, but with OpenGL now
deprecated this might not happen.

This has been reported upstream in GLFW in glfw/glfw#1334.
The workaround comes from kovidgoyal/kitty@b82e74f99

This also fixes the HiDPI (Retina) scaling issues reported in #497,
so the workaround is enabled anywhere __APPLE__ is defined.
This commit is contained in:
Ahmad Fatoum 2018-10-07 00:47:57 +02:00
parent 6572d5ff8c
commit 1fe6d9fc06
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GPG key ID: C3EAC3DE9321D59B
1 changed files with 23 additions and 6 deletions
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29
src/core.c
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@ -134,12 +134,6 @@
#define CHDIR chdir
#endif
#if defined(__linux__) || defined(PLATFORM_WEB)
#include <sys/time.h> // Required for: timespec, nanosleep(), select() - POSIX
#elif defined(__APPLE__)
#include <unistd.h> // Required for: usleep()
#endif
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
#if defined(PLATFORM_WEB)
#define GLFW_INCLUDE_ES2
@ -155,6 +149,15 @@
#endif
#endif
#if defined(__linux__) || defined(PLATFORM_WEB)
#include <sys/time.h> // Required for: timespec, nanosleep(), select() - POSIX
#elif defined(__APPLE__)
#include <unistd.h> // Required for: usleep()
#include <objc/message.h> // Required for: objc_msgsend(), sel_registerName()
#define GLFW_EXPOSE_NATIVE_NSGL
#include <GLFW/glfw3native.h> // Required for: glfwGetNSGLContext()
#endif
#if defined(PLATFORM_ANDROID)
//#include <android/sensor.h> // Android sensors functions (accelerometer, gyroscope, light...)
#include <android/window.h> // Defines AWINDOW_FLAG_FULLSCREEN and others
@ -233,6 +236,11 @@ static bool windowReady = false; // Check if window has been init
static bool windowMinimized = false; // Check if window has been minimized
static const char *windowTitle = NULL; // Window text title...
#if defined(__APPLE__)
static int windowNeedsUpdating = 2; // Times the Cocoa window needs to be updated initially
#endif
#if defined(PLATFORM_ANDROID)
static struct android_app *androidApp; // Android activity
static struct android_poll_source *source; // Android events polling source
@ -2870,6 +2878,15 @@ static void SwapBuffers(void)
{
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
glfwSwapBuffers(window);
#if __APPLE__
// workaround for missing/erroneous initial rendering on macOS
if (windowNeedsUpdating) {
// Desugared version of Objective C: [glfwGetNSGLContext(window) update]
((id (*)(id, SEL))objc_msgSend)(glfwGetNSGLContext(window),
sel_registerName("update"));
windowNeedsUpdating--;
}
#endif
#endif
#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP)