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Linux: More native code refactoring

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This commit is contained in:
Elias Naur 2005-11-22 13:53:13 +00:00
parent 7469d59dbf
commit 2bc0988c98
4 changed files with 95 additions and 68 deletions
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115
src/java/org/lwjgl/opengl/LinuxDisplay.java
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@ -95,7 +95,7 @@ final class LinuxDisplay implements DisplayImplementation {
if (isXF86VidModeSupported())
return nGetCurrentGammaRamp();
else
return BufferUtils.createByteBuffer(0);
return null;
} finally {
decDisplay();
}
@ -105,29 +105,58 @@ final class LinuxDisplay implements DisplayImplementation {
}
private static native ByteBuffer nGetCurrentGammaRamp() throws LWJGLException;
private static int getBestDisplayModeExtension() throws LWJGLException {
private static int getBestDisplayModeExtension() {
int result;
if (isXrandrSupported()) {
LWJGLUtil.log("Using Xrandr for display mode switching");
result = XRANDR;
} else if (isXF86VidModeSupported()) {
LWJGLUtil.log("Using XF86VidMode for display mode switching");
result = XF86VIDMODE;
} else {
LWJGLUtil.log("No display mode extensions available");
result = NONE;
}
return result;
}
private static boolean isXrandrSupported() {
if (System.getenv("LWJGL_DISABLE_XRANDR") != null)
return false;
lockAWT();
try {
incDisplay();
int result;
if (System.getenv("LWJGL_DISABLE_XRANDR") == null && isXrandrSupported()) {
LWJGLUtil.log("Using Xrandr for display mode switching");
result = XRANDR;
} else if (isXF86VidModeSupported()) {
LWJGLUtil.log("Using XF86VidMode for display mode switching");
result = XF86VIDMODE;
} else {
LWJGLUtil.log("No display mode extensions available");
result = NONE;
try {
return nIsXrandrSupported();
} finally {
decDisplay();
}
decDisplay();
return result;
} catch (LWJGLException e) {
LWJGLUtil.log("Got exception while querying Xrandr support: " + e);
return false;
} finally {
unlockAWT();
}
}
private static native boolean isXrandrSupported();
private static native boolean isXF86VidModeSupported();
private static native boolean nIsXrandrSupported() throws LWJGLException;
private static boolean isXF86VidModeSupported() {
lockAWT();
try {
incDisplay();
try {
return nIsXF86VidModeSupported();
} finally {
decDisplay();
}
} catch (LWJGLException e) {
LWJGLUtil.log("Got exception while querying XF86VM support: " + e);
return false;
} finally {
unlockAWT();
}
}
private static native boolean nIsXF86VidModeSupported() throws LWJGLException;
private static boolean isNetWMFullscreenSupported() throws LWJGLException {
if (System.getenv("LWJGL_DISABLE_NETWM") != null)
@ -135,14 +164,19 @@ final class LinuxDisplay implements DisplayImplementation {
lockAWT();
try {
incDisplay();
boolean supported = nIsNetWMFullscreenSupported();
decDisplay();
return supported;
try {
return nIsNetWMFullscreenSupported();
} finally {
decDisplay();
}
} catch (LWJGLException e) {
LWJGLUtil.log("Got exception while querying NetWM support: " + e);
return false;
} finally {
unlockAWT();
}
}
private static native boolean nIsNetWMFullscreenSupported();
private static native boolean nIsNetWMFullscreenSupported() throws LWJGLException;
/* Since Xlib is not guaranteed to be thread safe, we need a way to synchronize LWJGL
* Xlib calls with AWT Xlib calls. Fortunately, JAWT implements Lock()/Unlock() to
@ -250,8 +284,8 @@ final class LinuxDisplay implements DisplayImplementation {
public void switchDisplayMode(DisplayMode mode) throws LWJGLException {
lockAWT();
try {
nSwitchDisplayMode(current_displaymode_extension, mode);
current_mode = mode;
nSwitchDisplayMode(current_displaymode_extension, current_mode);
} finally {
unlockAWT();
}
@ -261,27 +295,31 @@ final class LinuxDisplay implements DisplayImplementation {
public void resetDisplayMode() {
lockAWT();
try {
nResetDisplayMode(current_displaymode_extension, saved_gamma, saved_mode);
switchDisplayMode(saved_mode);
if (isXF86VidModeSupported())
doSetGamma(saved_gamma);
} catch (LWJGLException e) {
LWJGLUtil.log("Caught exception while resetting mode: " + e);
} finally {
unlockAWT();
}
}
private static native void nResetDisplayMode(int extension, ByteBuffer gamma_ramp, DisplayMode saved_mode) throws LWJGLException;
public int getGammaRampLength() {
if (!isXF86VidModeSupported())
return 0;
lockAWT();
try {
try {
incDisplay();
int length;
if (isXF86VidModeSupported()) {
length = nGetGammaRampLength();
} else
length = 0;
decDisplay();
return length;
try {
return nGetGammaRampLength();
} catch (LWJGLException e) {
LWJGLUtil.log("Got exception while querying gamma length: " + e);
return 0;
} finally {
decDisplay();
}
} catch (LWJGLException e) {
LWJGLUtil.log("Failed to get gamma ramp length: " + e);
return 0;
@ -290,18 +328,19 @@ final class LinuxDisplay implements DisplayImplementation {
unlockAWT();
}
}
private static native int nGetGammaRampLength();
private static native int nGetGammaRampLength() throws LWJGLException;
public void setGammaRamp(FloatBuffer gammaRamp) throws LWJGLException {
if (!isXF86VidModeSupported())
throw new LWJGLException("No gamma ramp support (Missing XF86VM extension)");
doSetGamma(convertToNativeRamp(gammaRamp));
}
private static void doSetGamma(ByteBuffer native_gamma) throws LWJGLException {
lockAWT();
try {
incDisplay();
boolean xf86_support = isXF86VidModeSupported();
decDisplay();
if (!xf86_support)
throw new LWJGLException("No gamma ramp support (Missing XF86VM extension)");
current_gamma = convertToNativeRamp(gammaRamp);
nSetGammaRamp(current_gamma);
nSetGammaRamp(native_gamma);
current_gamma = native_gamma;
} finally {
unlockAWT();
}