Sync Namespace Reference

Typedefs
typedef GLenum(*	kis_glClientWaitSync) (GLsync, GLbitfield, GLuint64)
typedef void(*	kis_glDeleteSync) (GLsync)
typedef GLsync(*	kis_glFenceSync) (GLenum, GLbitfield)
typedef void(*	kis_glGetSynciv) (GLsync, GLenum, GLsizei, GLsizei *, GLint *)

Enumerations
enum	SyncStatus { Signaled , Unsignaled }

Functions
void	deleteSync (GLsync syncObject)
GLsync	getSync ()
void	init (QOpenGLContext *ctx)
SyncStatus	syncStatus (GLsync syncObject)

Variables
static kis_glClientWaitSync	k_glClientWaitSync = 0
static kis_glDeleteSync	k_glDeleteSync = 0
static kis_glFenceSync	k_glFenceSync = 0
static kis_glGetSynciv	k_glGetSynciv = 0

Typedef Documentation

kis_glClientWaitSync

typedef GLenum(* Sync::kis_glClientWaitSync) (GLsync, GLbitfield, GLuint64)

Definition at line 36 of file KisOpenGLSync.cpp.

kis_glDeleteSync

typedef void(* Sync::kis_glDeleteSync) (GLsync)

Definition at line 34 of file KisOpenGLSync.cpp.

kis_glFenceSync

typedef GLsync(* Sync::kis_glFenceSync) (GLenum, GLbitfield)

Definition at line 30 of file KisOpenGLSync.cpp.

kis_glGetSynciv

typedef void(* Sync::kis_glGetSynciv) (GLsync, GLenum, GLsizei, GLsizei *, GLint *)

Definition at line 32 of file KisOpenGLSync.cpp.

Enumeration Type Documentation

SyncStatus

enum Sync::SyncStatus

Enumerator
Signaled
Unsignaled

Definition at line 11 of file KisOpenGLSync.cpp.

                    {
        Signaled,
        Unsignaled
    };

Function Documentation

deleteSync()

void Sync::deleteSync

(

GLsync

syncObject

)

Definition at line 91 of file KisOpenGLSync.cpp.

                                       {
        if(syncObject && k_glDeleteSync) {
            k_glDeleteSync(syncObject);
        }
    }

References k_glDeleteSync.

getSync()

GLsync Sync::getSync

(

)

Definition at line 70 of file KisOpenGLSync.cpp.

                     {
        if(k_glFenceSync) {
            GLsync sync = k_glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
            if (KisOpenGL::needsFenceWorkaround()) {
                k_glClientWaitSync(sync, 0, 1);
            }
            return sync;
        }
        return 0;
    }

References GL_SYNC_GPU_COMMANDS_COMPLETE, k_glClientWaitSync, k_glFenceSync, and KisOpenGL::needsFenceWorkaround().

init()

void Sync::init

(

QOpenGLContext *

ctx

)

Definition at line 41 of file KisOpenGLSync.cpp.

                                   {
#if defined Q_OS_WIN
        if (KisOpenGL::supportsFenceSync()) {
#ifdef ENV64BIT
            k_glFenceSync  = (kis_glFenceSync)ctx->getProcAddress("glFenceSync");
            k_glGetSynciv  = (kis_glGetSynciv)ctx->getProcAddress("glGetSynciv");
            k_glDeleteSync = (kis_glDeleteSync)ctx->getProcAddress("glDeleteSync");
#else
            k_glFenceSync  = (kis_glFenceSync)ctx->getProcAddress("glFenceSyncARB");
            k_glGetSynciv  = (kis_glGetSynciv)ctx->getProcAddress("glGetSyncivARB");
            k_glDeleteSync = (kis_glDeleteSync)ctx->getProcAddress("glDeleteSyncARB");
#endif
            k_glClientWaitSync = (kis_glClientWaitSync)ctx->getProcAddress("glClientWaitSync");
        }
#elif defined Q_OS_LINUX || defined Q_OS_MACOS
        if (KisOpenGL::supportsFenceSync()) {
            k_glFenceSync  = (kis_glFenceSync)ctx->getProcAddress("glFenceSync");
            k_glGetSynciv  = (kis_glGetSynciv)ctx->getProcAddress("glGetSynciv");
            k_glDeleteSync = (kis_glDeleteSync)ctx->getProcAddress("glDeleteSync");
            k_glClientWaitSync = (kis_glClientWaitSync)ctx->getProcAddress("glClientWaitSync");
        }
#endif
        if (k_glFenceSync  == 0 || k_glGetSynciv      == 0 ||
            k_glDeleteSync == 0 || k_glClientWaitSync == 0) {
            warnUI << "Could not find sync functions, disabling sync notification.";
        }
    }

References k_glClientWaitSync, k_glDeleteSync, k_glFenceSync, k_glGetSynciv, KisOpenGL::supportsFenceSync(), and warnUI.

syncStatus()

SyncStatus Sync::syncStatus

(

GLsync

syncObject

)

Definition at line 82 of file KisOpenGLSync.cpp.

                                             {
        if(syncObject && k_glGetSynciv) {
            GLint status = -1;
            k_glGetSynciv(syncObject, GL_SYNC_STATUS, 1, 0, &status);
            return status == GL_SIGNALED ? Sync::Signaled : Sync::Unsignaled;
        }
        return Sync::Signaled;
    }

References GL_SIGNALED, GL_SYNC_STATUS, k_glGetSynciv, Signaled, and Unsignaled.

Variable Documentation

k_glClientWaitSync

kis_glClientWaitSync Sync::k_glClientWaitSync = 0

static

Definition at line 37 of file KisOpenGLSync.cpp.

k_glDeleteSync

kis_glDeleteSync Sync::k_glDeleteSync = 0

static

Definition at line 35 of file KisOpenGLSync.cpp.

k_glFenceSync

kis_glFenceSync Sync::k_glFenceSync = 0

static

Definition at line 31 of file KisOpenGLSync.cpp.

k_glGetSynciv

kis_glGetSynciv Sync::k_glGetSynciv = 0

static

Definition at line 33 of file KisOpenGLSync.cpp.