shadowfacts/lwjgl2-arm64
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This commit is contained in:
Elias Naur 2003-10-22 18:34:42 +00:00
parent d61172410c
commit 8cabcd523f
6 changed files with 54 additions and 64 deletions
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13
src/java/org/lwjgl/Display.java
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@ -215,12 +215,13 @@ public final class Display {
* @param contrast The contrast, larger than 0.0.
* @return true if the call succeeded, false otherwise
*/
public static boolean setDisplayConfiguration(float gamma, float brightness, float contrast) {
public static void setDisplayConfiguration(float gamma, float brightness, float contrast) throws Exception {
assert brightness >= -1.0f && brightness <= 1.0f;
assert contrast >= 0.0f;
int rampSize = getGammaRampLength();
if (rampSize == 0)
return false;
if (rampSize == 0) {
throw new Exception("Display configuration not supported");
}
FloatBuffer gammaRamp = ByteBuffer.allocateDirect(rampSize*4).order(ByteOrder.nativeOrder()).asFloatBuffer();
for (int i = 0; i < rampSize; i++) {
float intensity = (float)i/(rampSize - 1);
@ -237,12 +238,10 @@ public final class Display {
rampEntry = 0.0f;
gammaRamp.put(i, rampEntry);
}
if (!setGammaRamp(gammaRamp))
return false;
setGammaRamp(gammaRamp);
if (Sys.DEBUG) {
System.out.println("Gamma set, gamma = " + gamma + ", brightness = " + brightness + ", contrast = " + contrast);
}
return true;
}
/**
@ -256,7 +255,7 @@ public final class Display {
/**
* Native method to set the gamma ramp.
*/
private static native boolean setGammaRamp(FloatBuffer gammaRamp);
private static native void setGammaRamp(FloatBuffer gammaRamp) throws Exception ;
/**
* Get the driver adapter string. This is a unique string describing the actual card's hardware, eg. "Geforce2", "PS2",

4
src/java/org/lwjgl/test/DisplayConfigurationTest.java
View file

@ -13,9 +13,9 @@ import org.lwjgl.*;
*/
public class DisplayConfigurationTest {
private static void changeConfig(float gamma, float brightness, float contrast) {
Display.setDisplayConfiguration(gamma, brightness, contrast);
System.out.println("Configuration changed, gamma = " + gamma + " brightness = " + brightness + " contrast = " + contrast);
try {
Display.setDisplayConfiguration(gamma, brightness, contrast);
System.out.println("Configuration changed, gamma = " + gamma + " brightness = " + brightness + " contrast = " + contrast);
Thread.sleep(3000);
} catch (Exception e) {
e.printStackTrace();