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Fix disabling OpenGL vsync on macOS 10.14.4+ (bug #4575).

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This commit is contained in:
Alex Szpakowski 2019-04-10 22:30:58 -03:00
parent aae49015da
commit 00c824a8b0
1 changed files with 6 additions and 1 deletions
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7
src/video/cocoa/SDL_cocoaopengl.m
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@ -40,7 +40,7 @@ static CVReturn
DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeStamp* now, const CVTimeStamp* outputTime, CVOptionFlags flagsIn, CVOptionFlags* flagsOut, void* displayLinkContext)
{
SDLOpenGLContext *nscontext = (SDLOpenGLContext *) displayLinkContext;
/*printf("DISPLAY LINK! %u\n", (unsigned int) SDL_GetTicks()); */
const int setting = SDL_AtomicGet(&nscontext->swapIntervalSetting);
if (setting != 0) { /* nothing to do if vsync is disabled, don't even lock */
@ -208,6 +208,7 @@ Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
const char *glversion;
int glversion_major;
int glversion_minor;
int interval;
if (_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES) {
#if SDL_VIDEO_OPENGL_EGL
@ -319,6 +320,10 @@ Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
return NULL;
}
/* vsync is handled separately by synchronizing with a display link. */
interval = 0;
[context setValues:&interval forParameter:NSOpenGLContextParameterSwapInterval];
if ( Cocoa_GL_MakeCurrent(_this, window, context) < 0 ) {
Cocoa_GL_DeleteContext(_this, context);
SDL_SetError("Failed making OpenGL context current");