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authorKenneth Russel <[email protected]>2006-01-29 04:17:01 +0000
committerKenneth Russel <[email protected]>2006-01-29 04:17:01 +0000
commit81eb2f90a938fa0ac525a01355bcadbf4876787d (patch)
tree805215b3303b84051f51bd16c54baa3e211b0c0a /src/classes/com/sun/opengl/impl/windows
parent1411d1652dde2958bbd4e5d4b201c0af7df51800 (diff)
Added profiling support to WindowsOnscreenGLDrawable to figure out why
JOGL applets running in Mozilla/Firefox are so slow -- apparently the WINGDI call SwapBuffers() is taking a long time, but unclear why git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@569 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/classes/com/sun/opengl/impl/windows')
-rw-r--r--src/classes/com/sun/opengl/impl/windows/WindowsOnscreenGLDrawable.java56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsOnscreenGLDrawable.java b/src/classes/com/sun/opengl/impl/windows/WindowsOnscreenGLDrawable.java
index bc21c58b7..08902b573 100644
--- a/src/classes/com/sun/opengl/impl/windows/WindowsOnscreenGLDrawable.java
+++ b/src/classes/com/sun/opengl/impl/windows/WindowsOnscreenGLDrawable.java
@@ -68,6 +68,15 @@ public class WindowsOnscreenGLDrawable extends WindowsGLDrawable {
// addNotify() is called on the component.
protected boolean realized;
+ private static final boolean PROFILING = Debug.debug("WindowsOnscreenGLDrawable.profiling");
+ private static final int PROFILING_TICKS = 200;
+ private int profilingLockSurfaceTicks;
+ private long profilingLockSurfaceTime;
+ private int profilingUnlockSurfaceTicks;
+ private long profilingUnlockSurfaceTime;
+ private int profilingSwapBuffersTicks;
+ private long profilingSwapBuffersTime;
+
public WindowsOnscreenGLDrawable(Component component,
GLCapabilities capabilities,
GLCapabilitiesChooser chooser) {
@@ -109,10 +118,27 @@ public class WindowsOnscreenGLDrawable extends WindowsGLDrawable {
didLock = true;
}
+ long startTime = 0;
+ if (PROFILING) {
+ startTime = System.currentTimeMillis();
+ }
+
if (!WGL.SwapBuffers(hdc) && (WGL.GetLastError() != 0)) {
throw new GLException("Error swapping buffers");
}
+ if (PROFILING) {
+ long endTime = System.currentTimeMillis();
+ profilingSwapBuffersTime += (endTime - startTime);
+ int ticks = PROFILING_TICKS;
+ if (++profilingSwapBuffersTicks == ticks) {
+ System.err.println("SwapBuffers calls: " + profilingSwapBuffersTime + " ms / " + ticks + " calls (" +
+ ((float) profilingSwapBuffersTime / (float) ticks) + " ms/call)");
+ profilingSwapBuffersTime = 0;
+ profilingSwapBuffersTicks = 0;
+ }
+ }
+
if (didLock) {
unlockSurface();
}
@@ -125,6 +151,10 @@ public class WindowsOnscreenGLDrawable extends WindowsGLDrawable {
if (hdc != 0) {
throw new GLException("Surface already locked");
}
+ long startTime = 0;
+ if (PROFILING) {
+ startTime = System.currentTimeMillis();
+ }
ds = JAWT.getJAWT().GetDrawingSurface(component);
if (ds == null) {
// Widget not yet realized
@@ -166,6 +196,17 @@ public class WindowsOnscreenGLDrawable extends WindowsGLDrawable {
if (!pixelFormatChosen) {
choosePixelFormat(true);
}
+ if (PROFILING) {
+ long endTime = System.currentTimeMillis();
+ profilingLockSurfaceTime += (endTime - startTime);
+ int ticks = PROFILING_TICKS;
+ if (++profilingLockSurfaceTicks == ticks) {
+ System.err.println("LockSurface calls: " + profilingLockSurfaceTime + " ms / " + ticks + " calls (" +
+ ((float) profilingLockSurfaceTime / (float) ticks) + " ms/call)");
+ profilingLockSurfaceTime = 0;
+ profilingLockSurfaceTicks = 0;
+ }
+ }
return ret;
}
@@ -173,6 +214,10 @@ public class WindowsOnscreenGLDrawable extends WindowsGLDrawable {
if (hdc == 0) {
throw new GLException("Surface already unlocked");
}
+ long startTime = 0;
+ if (PROFILING) {
+ startTime = System.currentTimeMillis();
+ }
ds.FreeDrawingSurfaceInfo(dsi);
ds.Unlock();
JAWT.getJAWT().FreeDrawingSurface(ds);
@@ -180,5 +225,16 @@ public class WindowsOnscreenGLDrawable extends WindowsGLDrawable {
dsi = null;
win32dsi = null;
hdc = 0;
+ if (PROFILING) {
+ long endTime = System.currentTimeMillis();
+ profilingUnlockSurfaceTime += (endTime - startTime);
+ int ticks = PROFILING_TICKS;
+ if (++profilingUnlockSurfaceTicks == ticks) {
+ System.err.println("UnlockSurface calls: " + profilingUnlockSurfaceTime + " ms / " + ticks + " calls (" +
+ ((float) profilingUnlockSurfaceTime / (float) ticks) + " ms/call)");
+ profilingUnlockSurfaceTime = 0;
+ profilingUnlockSurfaceTicks = 0;
+ }
+ }
}
}