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-rw-r--r--src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java74
1 files changed, 39 insertions, 35 deletions
diff --git a/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java b/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java
index 695fad5a9..ecba18147 100644
--- a/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java
+++ b/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java
@@ -42,6 +42,7 @@ package javax.media.opengl;
import javax.media.nativewindow.NativeWindowException;
import com.jogamp.opengl.impl.Debug;
+import java.util.List;
import javax.media.nativewindow.CapabilitiesImmutable;
/** <P> The default implementation of the {@link
@@ -85,38 +86,40 @@ import javax.media.nativewindow.CapabilitiesImmutable;
public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
private static final boolean DEBUG = Debug.debug("CapabilitiesChooser");
- public int chooseCapabilities(CapabilitiesImmutable desired,
- CapabilitiesImmutable[] available,
- int windowSystemRecommendedChoice) {
- GLCapabilitiesImmutable _desired = (GLCapabilitiesImmutable) desired;
- GLCapabilitiesImmutable[] _available = (GLCapabilitiesImmutable[]) available;
- int availnum = 0;
-
- for (int i = 0; i < _available.length; i++) {
- if(null != _available[i]) { availnum++; }
+ public int chooseCapabilities(final CapabilitiesImmutable desired,
+ final List /*<CapabilitiesImmutable>*/ available,
+ final int windowSystemRecommendedChoice) {
+ if ( null == desired ) {
+ throw new NativeWindowException("Null desired capabilities");
+ }
+ if ( 0 == available.size() ) {
+ throw new NativeWindowException("Empty available capabilities");
}
+ final GLCapabilitiesImmutable gldes = (GLCapabilitiesImmutable) desired;
+ final int availnum = available.size();
+
if (DEBUG) {
- System.err.println("Desired: " + _desired);
- System.err.println("Available: Valid " + availnum + "/" + _available.length);
- for (int i = 0; i < _available.length; i++) {
- System.err.println(i + ": " + _available[i]);
+ System.err.println("Desired: " + gldes);
+ System.err.println("Available: " + availnum);
+ for (int i = 0; i < available.size(); i++) {
+ System.err.println(i + ": " + available.get(i));
}
System.err.println("Window system's recommended choice: " + windowSystemRecommendedChoice);
}
if (windowSystemRecommendedChoice >= 0 &&
- windowSystemRecommendedChoice < _available.length &&
- _available[windowSystemRecommendedChoice] != null) {
+ windowSystemRecommendedChoice < availnum &&
+ null != available.get(windowSystemRecommendedChoice)) {
if (DEBUG) {
System.err.println("Choosing window system's recommended choice of " + windowSystemRecommendedChoice);
- System.err.println(_available[windowSystemRecommendedChoice]);
+ System.err.println(available.get(windowSystemRecommendedChoice));
}
return windowSystemRecommendedChoice;
}
// Create score array
- int[] scores = new int[_available.length];
+ int[] scores = new int[availnum];
int NO_SCORE = -9999999;
int DOUBLE_BUFFER_MISMATCH_PENALTY = 1000;
int STENCIL_MISMATCH_PENALTY = 500;
@@ -131,18 +134,18 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
scores[i] = NO_SCORE;
}
// Compute score for each
- for (int i = 0; i < scores.length; i++) {
- GLCapabilitiesImmutable cur = _available[i];
+ for (int i = 0; i < availnum; i++) {
+ GLCapabilitiesImmutable cur = (GLCapabilitiesImmutable) available.get(i);
if (cur == null) {
continue;
}
- if (_desired.isOnscreen() != cur.isOnscreen()) {
+ if (gldes.isOnscreen() != cur.isOnscreen()) {
continue;
}
- if (!_desired.isOnscreen() && _desired.isPBuffer() && !cur.isPBuffer()) {
+ if (!gldes.isOnscreen() && gldes.isPBuffer() && !cur.isPBuffer()) {
continue; // only skip if requested Offscreen && PBuffer, but no PBuffer available
}
- if (_desired.getStereo() != cur.getStereo()) {
+ if (gldes.getStereo() != cur.getStereo()) {
continue;
}
int score = 0;
@@ -150,20 +153,20 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
// (Note that this decides the direction of all other penalties)
score += (COLOR_MISMATCH_PENALTY_SCALE *
((cur.getRedBits() + cur.getGreenBits() + cur.getBlueBits() + cur.getAlphaBits()) -
- (_desired.getRedBits() + _desired.getGreenBits() + _desired.getBlueBits() + _desired.getAlphaBits())));
+ (gldes.getRedBits() + gldes.getGreenBits() + gldes.getBlueBits() + gldes.getAlphaBits())));
// Compute difference in depth buffer depth
score += (DEPTH_MISMATCH_PENALTY_SCALE * sign(score) *
- Math.abs(cur.getDepthBits() - _desired.getDepthBits()));
+ Math.abs(cur.getDepthBits() - gldes.getDepthBits()));
// Compute difference in accumulation buffer depth
score += (ACCUM_MISMATCH_PENALTY_SCALE * sign(score) *
Math.abs((cur.getAccumRedBits() + cur.getAccumGreenBits() + cur.getAccumBlueBits() + cur.getAccumAlphaBits()) -
- (_desired.getAccumRedBits() + _desired.getAccumGreenBits() + _desired.getAccumBlueBits() + _desired.getAccumAlphaBits())));
+ (gldes.getAccumRedBits() + gldes.getAccumGreenBits() + gldes.getAccumBlueBits() + gldes.getAccumAlphaBits())));
// Compute difference in stencil bits
- score += STENCIL_MISMATCH_PENALTY_SCALE * sign(score) * (cur.getStencilBits() - _desired.getStencilBits());
- if (cur.getDoubleBuffered() != _desired.getDoubleBuffered()) {
+ score += STENCIL_MISMATCH_PENALTY_SCALE * sign(score) * (cur.getStencilBits() - gldes.getStencilBits());
+ if (cur.getDoubleBuffered() != gldes.getDoubleBuffered()) {
score += sign(score) * DOUBLE_BUFFER_MISMATCH_PENALTY;
}
- if ((_desired.getStencilBits() > 0) && (cur.getStencilBits() == 0)) {
+ if ((gldes.getStencilBits() > 0) && (cur.getStencilBits() == 0)) {
score += sign(score) * STENCIL_MISMATCH_PENALTY;
}
scores[i] = score;
@@ -172,12 +175,12 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
// non-hardware-accelerated visuals out
boolean gotHW = false;
int maxAbsoluteHWScore = 0;
- for (int i = 0; i < scores.length; i++) {
+ for (int i = 0; i < availnum; i++) {
int score = scores[i];
if (score == NO_SCORE) {
continue;
}
- GLCapabilitiesImmutable cur = _available[i];
+ GLCapabilitiesImmutable cur = (GLCapabilitiesImmutable) available.get(i);
if (cur.getHardwareAccelerated()) {
int absScore = Math.abs(score);
if (!gotHW ||
@@ -188,12 +191,12 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
}
}
if (gotHW) {
- for (int i = 0; i < scores.length; i++) {
+ for (int i = 0; i < availnum; i++) {
int score = scores[i];
if (score == NO_SCORE) {
continue;
}
- GLCapabilitiesImmutable cur = _available[i];
+ GLCapabilitiesImmutable cur = (GLCapabilitiesImmutable) available.get(i);
if (!cur.getHardwareAccelerated()) {
if (score <= 0) {
score -= maxAbsoluteHWScore;
@@ -207,7 +210,7 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
if (DEBUG) {
System.err.print("Scores: [");
- for (int i = 0; i < _available.length; i++) {
+ for (int i = 0; i < availnum; i++) {
if (i > 0) {
System.err.print(",");
}
@@ -219,7 +222,7 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
// Ready to select. Choose score closest to 0.
int scoreClosestToZero = NO_SCORE;
int chosenIndex = -1;
- for (int i = 0; i < scores.length; i++) {
+ for (int i = 0; i < availnum; i++) {
int score = scores[i];
if (score == NO_SCORE) {
continue;
@@ -238,7 +241,7 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
if (DEBUG) {
System.err.println("Chosen index: " + chosenIndex);
System.err.println("Chosen capabilities:");
- System.err.println(_available[chosenIndex]);
+ System.err.println(available.get(chosenIndex));
}
return chosenIndex;
@@ -250,4 +253,5 @@ public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
}
return 1;
}
+
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 15:24:40 +0000