diff options
Diffstat (limited to 'src/jogl/classes')
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java b/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java index 976056891..6b086ce44 100644 --- a/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java +++ b/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java @@ -81,7 +81,7 @@ import com.jogamp.opengl.util.glsl.ShaderCode; import com.jogamp.opengl.util.glsl.ShaderProgram; public class MacOSXCGLContext extends GLContextImpl -{ +{ // Abstract interface for implementation of this context (either // NSOpenGL-based or CGL-based) protected interface GLBackendImpl { @@ -1000,6 +1000,8 @@ public class MacOSXCGLContext extends GLContextImpl CGL.setNSOpenGLLayerSwapInterval(l, interval); if( 0 < interval ) { vsyncTimeout = interval * screenVSyncTimeout + 1000; // +1ms + } else { + vsyncTimeout = 1 * screenVSyncTimeout + 1000; // +1ms } if(DEBUG) { System.err.println("NS setSwapInterval: "+interval+" -> "+vsyncTimeout+" micros"); } } @@ -1008,6 +1010,14 @@ public class MacOSXCGLContext extends GLContextImpl } private int skipSync=0; + /** TODO: Remove after discussion + private boolean perfIterReset = false; + private int perfIter = 0; + private long waitGLS = 0; + private long finishGLS = 0; + private long frameXS = 0; + private long lastFrameStart = 0; + */ @Override public boolean swapBuffers() { @@ -1036,6 +1046,45 @@ public class MacOSXCGLContext extends GLContextImpl res = CGL.flushBuffer(contextHandle); if(res) { if(0 == skipSync) { + /** TODO: Remove after discussion + perfIter++; + if( !perfIterReset && 100 == perfIter ) { + perfIterReset = true; + perfIter = 1; + waitGLS = 0; + finishGLS = 0; + frameXS = 0; + } + final long lastFramePeriod0 = TimeUnit.NANOSECONDS.toMicros(System.nanoTime()) - lastFrameStart; + gl.glFinish(); // Require to finish previous GL rendering to give CALayer proper result + final long lastFramePeriod1 = TimeUnit.NANOSECONDS.toMicros(System.nanoTime()) - lastFrameStart; + + // If v-sync is disabled, frames will be drawn as quickly as possible w/o delay, + // while still synchronizing w/ CALayer. + // If v-sync is enabled wait until next swap interval (v-sync). + CGL.waitUntilNSOpenGLLayerIsReady(cmd.nsOpenGLLayer, vsyncTimeout); + final long lastFramePeriodX = TimeUnit.NANOSECONDS.toMicros(System.nanoTime()) - lastFrameStart; + + final long finishGL = lastFramePeriod1 - lastFramePeriod0; + final long waitGL = lastFramePeriodX - lastFramePeriod1; + finishGLS += finishGL; + waitGLS += waitGL; + frameXS += lastFramePeriodX; + + System.err.println("XXX["+perfIter+"] TO "+vsyncTimeout/1000+" ms, "+ + "lFrame0 "+lastFramePeriod0/1000+" ms, "+ + "lFrameX "+lastFramePeriodX/1000+" / "+frameXS/1000+" ~"+(frameXS/perfIter)/1000.0+" ms, "+ + "finishGL "+finishGL/1000+" / "+finishGLS/1000+" ~"+(finishGLS/perfIter)/1000.0+" ms, "+ + "waitGL "+waitGL/1000+" / "+waitGLS/1000+" ~"+(waitGLS/perfIter)/1000.0+" ms"); + */ + // + // Required(?) to finish previous GL rendering to give CALayer proper result, + // i.e. synchronize both threads each w/ their GLContext sharing same resources. + // + // FIXME: IMHO this synchronization should be implicitly performed via 'CGL.flushBuffer(contextHandle)' above, + // in case this will be determined a driver bug - use a QUIRK entry in GLRendererQuirks! + gl.glFinish(); + // If v-sync is disabled, frames will be drawn as quickly as possible w/o delay, // while still synchronizing w/ CALayer. // If v-sync is enabled wait until next swap interval (v-sync). @@ -1050,6 +1099,7 @@ public class MacOSXCGLContext extends GLContextImpl // trigger CALayer to update incl. possible surface change (new pbuffer handle) CGL.setNSOpenGLLayerNeedsDisplayPBuffer(cmd.nsOpenGLLayer, drawable.getHandle()); } + // lastFrameStart = TimeUnit.NANOSECONDS.toMicros(System.nanoTime()); } } else { res = true; |