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Linux: Move gamma ramps to java code

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This commit is contained in:
Elias Naur 2005-11-21 16:32:34 +00:00
parent c9669d20c9
commit debaaf6538
4 changed files with 120 additions and 90 deletions
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68
src/java/org/lwjgl/opengl/LinuxDisplay.java
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@ -44,6 +44,7 @@ import java.nio.IntBuffer;
import org.lwjgl.LWJGLException;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.BufferUtils;
import org.lwjgl.input.Keyboard;
final class LinuxDisplay implements DisplayImplementation {
@ -78,6 +79,28 @@ final class LinuxDisplay implements DisplayImplementation {
private static PeerInfo peer_info;
/** Saved gamma used to restore display settings */
private static ByteBuffer saved_gamma;
private static ByteBuffer current_gamma;
private static ByteBuffer getCurrentGammaRamp() throws LWJGLException {
lockAWT();
try {
incDisplay();
try {
if (isXF86VidModeSupported())
return nGetCurrentGammaRamp();
else
return BufferUtils.createByteBuffer(0);
} finally {
decDisplay();
}
} finally {
unlockAWT();
}
}
private static native ByteBuffer nGetCurrentGammaRamp() throws LWJGLException;
private static int getBestDisplayModeExtension() throws LWJGLException {
lockAWT();
try {
@ -233,30 +256,55 @@ final class LinuxDisplay implements DisplayImplementation {
public void resetDisplayMode() {
lockAWT();
try {
nResetDisplayMode(current_displaymode_extension);
nResetDisplayMode(current_displaymode_extension, saved_gamma);
} finally {
unlockAWT();
}
}
private static native void nResetDisplayMode(int extension);
private static native void nResetDisplayMode(int extension, ByteBuffer gamma_ramp);
public int getGammaRampLength() {
lockAWT();
int length = nGetGammaRampLength();
unlockAWT();
return length;
try {
try {
incDisplay();
int length;
if (isXF86VidModeSupported()) {
length = nGetGammaRampLength();
} else
length = 0;
decDisplay();
return length;
} catch (LWJGLException e) {
LWJGLUtil.log("Failed to get gamma ramp length: " + e);
return 0;
}
} finally {
unlockAWT();
}
}
private static native int nGetGammaRampLength();
public void setGammaRamp(FloatBuffer gammaRamp) throws LWJGLException {
lockAWT();
try {
nSetGammaRamp(gammaRamp);
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);
} finally {
unlockAWT();
}
}
private static native void nSetGammaRamp(FloatBuffer gammaRamp) throws LWJGLException;
private static native void nSetGammaRamp(ByteBuffer gammaRamp) throws LWJGLException;
private static ByteBuffer convertToNativeRamp(FloatBuffer ramp) throws LWJGLException {
return nConvertToNativeRamp(ramp, ramp.position(), ramp.remaining());
}
private static native ByteBuffer nConvertToNativeRamp(FloatBuffer ramp, int offset, int length) throws LWJGLException;
public String getAdapter() {
return null;
@ -273,6 +321,8 @@ final class LinuxDisplay implements DisplayImplementation {
if (current_displaymode_extension == NONE)
throw new LWJGLException("No display mode extension is available");
DisplayMode mode = nInit(current_displaymode_extension);
saved_gamma = getCurrentGammaRamp();
current_gamma = saved_gamma;
return mode;
} finally {
unlockAWT();
@ -327,10 +377,10 @@ final class LinuxDisplay implements DisplayImplementation {
public void update() {
lockAWT();
nUpdate(current_displaymode_extension, current_window_mode);
nUpdate(current_displaymode_extension, current_window_mode, saved_gamma, current_gamma);
unlockAWT();
}
private static native void nUpdate(int extension, int current_window_mode);
private static native void nUpdate(int extension, int current_window_mode, ByteBuffer saved_gamma, ByteBuffer current_gamma);
public void reshape(int x, int y, int width, int height) {
lockAWT();