diff options
Diffstat (limited to 'src/classes/javax/media/nwi')
| -rw-r--r-- | src/classes/javax/media/nwi/DefaultNWCapabilitiesChooser.java | 233 | ||||
| -rw-r--r-- | src/classes/javax/media/nwi/NWCapabilities.java | 368 | ||||
| -rw-r--r-- | src/classes/javax/media/nwi/NWCapabilitiesChooser.java | 67 | ||||
| -rw-r--r-- | src/classes/javax/media/nwi/NativeWindow.java | 120 | ||||
| -rw-r--r-- | src/classes/javax/media/nwi/NativeWindowException.java | 68 |
5 files changed, 856 insertions, 0 deletions
diff --git a/src/classes/javax/media/nwi/DefaultNWCapabilitiesChooser.java b/src/classes/javax/media/nwi/DefaultNWCapabilitiesChooser.java new file mode 100644 index 000000000..1318ea419 --- /dev/null +++ b/src/classes/javax/media/nwi/DefaultNWCapabilitiesChooser.java @@ -0,0 +1,233 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package javax.media.nwi; + +/** <P> The default implementation of the {@link + NWCapabilitiesChooser} interface, which provides consistent visual + selection behavior across platforms. The precise algorithm is + deliberately left loosely specified. Some properties are: </P> + + <UL> + + <LI> As long as there is at least one available non-null + NWCapabilities which matches the "stereo" option, will return a + valid index. + + <LI> Attempts to match as closely as possible the given + NWCapabilities, but will select one with fewer capabilities (i.e., + lower color depth) if necessary. + + <LI> Prefers hardware-accelerated visuals to + non-hardware-accelerated. + + <LI> If there is no exact match, prefers a more-capable visual to + a less-capable one. + + <LI> If there is more than one exact match, chooses an arbitrary + one. + + <LI> May select the opposite of a double- or single-buffered + visual (based on the user's request) in dire situations. + + <LI> Color depth (including alpha) mismatches are weighted higher + than depth buffer mismatches, which are in turn weighted higher + than accumulation buffer (including alpha) and stencil buffer + depth mismatches. + + <LI> If a valid windowSystemRecommendedChoice parameter is + supplied, chooses that instead of using the cross-platform code. + + </UL> +*/ + +public class DefaultNWCapabilitiesChooser implements NWCapabilitiesChooser { + private static final boolean DEBUG = false; // FIXME: Debug.debug("DefaultNWCapabilitiesChooser"); + + public int chooseCapabilities(NWCapabilities desired, + NWCapabilities[] available, + int windowSystemRecommendedChoice) { + if (DEBUG) { + System.err.println("Desired: " + desired); + for (int i = 0; i < available.length; i++) { + System.err.println("Available " + i + ": " + available[i]); + } + System.err.println("Window system's recommended choice: " + windowSystemRecommendedChoice); + } + + if (windowSystemRecommendedChoice >= 0 && + windowSystemRecommendedChoice < available.length && + available[windowSystemRecommendedChoice] != null) { + if (DEBUG) { + System.err.println("Choosing window system's recommended choice of " + windowSystemRecommendedChoice); + System.err.println(available[windowSystemRecommendedChoice]); + } + return windowSystemRecommendedChoice; + } + + // Create score array + int[] scores = new int[available.length]; + int NO_SCORE = -9999999; + int DOUBLE_BUFFER_MISMATCH_PENALTY = 1000; + int STENCIL_MISMATCH_PENALTY = 500; + // Pseudo attempt to keep equal rank penalties scale-equivalent + // (e.g., stencil mismatch is 3 * accum because there are 3 accum + // components) + int COLOR_MISMATCH_PENALTY_SCALE = 36; + int DEPTH_MISMATCH_PENALTY_SCALE = 6; + int ACCUM_MISMATCH_PENALTY_SCALE = 1; + int STENCIL_MISMATCH_PENALTY_SCALE = 3; + for (int i = 0; i < scores.length; i++) { + scores[i] = NO_SCORE; + } + // Compute score for each + for (int i = 0; i < scores.length; i++) { + NWCapabilities cur = available[i]; + if (cur == null) { + continue; + } + if (desired.getStereo() != cur.getStereo()) { + continue; + } + int score = 0; + // Compute difference in color depth + // (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()))); + // Compute difference in depth buffer depth + score += (DEPTH_MISMATCH_PENALTY_SCALE * sign(score) * + Math.abs(cur.getDepthBits() - desired.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()))); + // Compute difference in stencil bits + score += STENCIL_MISMATCH_PENALTY_SCALE * sign(score) * (cur.getStencilBits() - desired.getStencilBits()); + if (cur.getDoubleBuffered() != desired.getDoubleBuffered()) { + score += sign(score) * DOUBLE_BUFFER_MISMATCH_PENALTY; + } + if ((desired.getStencilBits() > 0) && (cur.getStencilBits() == 0)) { + score += sign(score) * STENCIL_MISMATCH_PENALTY; + } + scores[i] = score; + } + // Now prefer hardware-accelerated visuals by pushing scores of + // non-hardware-accelerated visuals out + boolean gotHW = false; + int maxAbsoluteHWScore = 0; + for (int i = 0; i < scores.length; i++) { + int score = scores[i]; + if (score == NO_SCORE) { + continue; + } + NWCapabilities cur = available[i]; + if (cur.getHardwareAccelerated()) { + int absScore = Math.abs(score); + if (!gotHW || + (absScore > maxAbsoluteHWScore)) { + gotHW = true; + maxAbsoluteHWScore = absScore; + } + } + } + if (gotHW) { + for (int i = 0; i < scores.length; i++) { + int score = scores[i]; + if (score == NO_SCORE) { + continue; + } + NWCapabilities cur = available[i]; + if (!cur.getHardwareAccelerated()) { + if (score <= 0) { + score -= maxAbsoluteHWScore; + } else if (score > 0) { + score += maxAbsoluteHWScore; + } + scores[i] = score; + } + } + } + + if (DEBUG) { + System.err.print("Scores: ["); + for (int i = 0; i < available.length; i++) { + if (i > 0) { + System.err.print(","); + } + System.err.print(" " + scores[i]); + } + System.err.println(" ]"); + } + + // Ready to select. Choose score closest to 0. + int scoreClosestToZero = NO_SCORE; + int chosenIndex = -1; + for (int i = 0; i < scores.length; i++) { + int score = scores[i]; + if (score == NO_SCORE) { + continue; + } + // Don't substitute a positive score for a smaller negative score + if ((scoreClosestToZero == NO_SCORE) || + (Math.abs(score) < Math.abs(scoreClosestToZero) && + ((sign(scoreClosestToZero) < 0) || (sign(score) > 0)))) { + scoreClosestToZero = score; + chosenIndex = i; + } + } + if (chosenIndex < 0) { + throw new NativeWindowException("Unable to select one of the provided NWCapabilities"); + } + if (DEBUG) { + System.err.println("Chosen index: " + chosenIndex); + System.err.println("Chosen capabilities:"); + System.err.println(available[chosenIndex]); + } + + return chosenIndex; + } + + private static int sign(int score) { + if (score < 0) { + return -1; + } + return 1; + } +} diff --git a/src/classes/javax/media/nwi/NWCapabilities.java b/src/classes/javax/media/nwi/NWCapabilities.java new file mode 100644 index 000000000..cc3ebb77c --- /dev/null +++ b/src/classes/javax/media/nwi/NWCapabilities.java @@ -0,0 +1,368 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package javax.media.nwi; + +/** Specifies a set of OpenGL capabilities that a rendering context + must support, such as color depth and whether stereo is enabled. + It currently contains the minimal number of routines which allow + configuration on all supported window systems. */ + +public class NWCapabilities implements Cloneable { + private boolean doubleBuffered = true; + private boolean stereo = false; + private boolean hardwareAccelerated = true; + private int depthBits = 24; + private int stencilBits = 0; + private int redBits = 8; + private int greenBits = 8; + private int blueBits = 8; + private int alphaBits = 0; + private int accumRedBits = 0; + private int accumGreenBits = 0; + private int accumBlueBits = 0; + private int accumAlphaBits = 0; + // Shift bits from PIXELFORMATDESCRIPTOR not present because they + // are unlikely to be supported on Windows anyway + + // Support for full-scene antialiasing (FSAA) + private boolean sampleBuffers = false; + private int numSamples = 2; + + // Support for transparent windows containing OpenGL content + // (currently only has an effect on Mac OS X) + private boolean backgroundOpaque = true; + + // Bits for pbuffer creation + private boolean pbufferFloatingPointBuffers; + private boolean pbufferRenderToTexture; + private boolean pbufferRenderToTextureRectangle; + + /** Creates a NWCapabilities object. All attributes are in a default + state. + */ + public NWCapabilities() {} + + public Object clone() { + try { + return super.clone(); + } catch (CloneNotSupportedException e) { + throw new NativeWindowException(e); + } + } + + /** Indicates whether double-buffering is enabled. */ + public boolean getDoubleBuffered() { + return doubleBuffered; + } + + /** Enables or disables double buffering. */ + public void setDoubleBuffered(boolean onOrOff) { + doubleBuffered = onOrOff; + } + + /** Indicates whether stereo is enabled. */ + public boolean getStereo() { + return stereo; + } + + /** Enables or disables stereo viewing. */ + public void setStereo(boolean onOrOff) { + stereo = onOrOff; + } + + /** Indicates whether hardware acceleration is enabled. */ + public boolean getHardwareAccelerated() { + return hardwareAccelerated; + } + + /** Enables or disables hardware acceleration. */ + public void setHardwareAccelerated(boolean onOrOff) { + hardwareAccelerated = onOrOff; + } + + /** Returns the number of bits requested for the depth buffer. */ + public int getDepthBits() { + return depthBits; + } + + /** Sets the number of bits requested for the depth buffer. */ + public void setDepthBits(int depthBits) { + this.depthBits = depthBits; + } + + /** Returns the number of bits requested for the stencil buffer. */ + public int getStencilBits() { + return stencilBits; + } + + /** Sets the number of bits requested for the stencil buffer. */ + public void setStencilBits(int stencilBits) { + this.stencilBits = stencilBits; + } + + /** Returns the number of bits requested for the color buffer's red + component. On some systems only the color depth, which is the + sum of the red, green, and blue bits, is considered. */ + public int getRedBits() { + return redBits; + } + + /** Sets the number of bits requested for the color buffer's red + component. On some systems only the color depth, which is the + sum of the red, green, and blue bits, is considered. */ + public void setRedBits(int redBits) { + this.redBits = redBits; + } + + /** Returns the number of bits requested for the color buffer's + green component. On some systems only the color depth, which is + the sum of the red, green, and blue bits, is considered. */ + public int getGreenBits() { + return greenBits; + } + + /** Sets the number of bits requested for the color buffer's green + component. On some systems only the color depth, which is the + sum of the red, green, and blue bits, is considered. */ + public void setGreenBits(int greenBits) { + this.greenBits = greenBits; + } + + /** Returns the number of bits requested for the color buffer's blue + component. On some systems only the color depth, which is the + sum of the red, green, and blue bits, is considered. */ + public int getBlueBits() { + return blueBits; + } + + /** Sets the number of bits requested for the color buffer's blue + component. On some systems only the color depth, which is the + sum of the red, green, and blue bits, is considered. */ + public void setBlueBits(int blueBits) { + this.blueBits = blueBits; + } + + /** Returns the number of bits requested for the color buffer's + alpha component. On some systems only the color depth, which is + the sum of the red, green, and blue bits, is considered. */ + public int getAlphaBits() { + return alphaBits; + } + + /** Sets the number of bits requested for the color buffer's alpha + component. On some systems only the color depth, which is the + sum of the red, green, and blue bits, is considered. */ + public void setAlphaBits(int alphaBits) { + this.alphaBits = alphaBits; + } + + /** Returns the number of bits requested for the accumulation + buffer's red component. On some systems only the accumulation + buffer depth, which is the sum of the red, green, and blue bits, + is considered. */ + public int getAccumRedBits() { + return accumRedBits; + } + + /** Sets the number of bits requested for the accumulation buffer's + red component. On some systems only the accumulation buffer + depth, which is the sum of the red, green, and blue bits, is + considered. */ + public void setAccumRedBits(int accumRedBits) { + this.accumRedBits = accumRedBits; + } + + /** Returns the number of bits requested for the accumulation + buffer's green component. On some systems only the accumulation + buffer depth, which is the sum of the red, green, and blue bits, + is considered. */ + public int getAccumGreenBits() { + return accumGreenBits; + } + + /** Sets the number of bits requested for the accumulation buffer's + green component. On some systems only the accumulation buffer + depth, which is the sum of the red, green, and blue bits, is + considered. */ + public void setAccumGreenBits(int accumGreenBits) { + this.accumGreenBits = accumGreenBits; + } + + /** Returns the number of bits requested for the accumulation + buffer's blue component. On some systems only the accumulation + buffer depth, which is the sum of the red, green, and blue bits, + is considered. */ + public int getAccumBlueBits() { + return accumBlueBits; + } + + /** Sets the number of bits requested for the accumulation buffer's + blue component. On some systems only the accumulation buffer + depth, which is the sum of the red, green, and blue bits, is + considered. */ + public void setAccumBlueBits(int accumBlueBits) { + this.accumBlueBits = accumBlueBits; + } + + /** Returns the number of bits requested for the accumulation + buffer's alpha component. On some systems only the accumulation + buffer depth, which is the sum of the red, green, and blue bits, + is considered. */ + public int getAccumAlphaBits() { + return accumAlphaBits; + } + + /** Sets number of bits requested for accumulation buffer's alpha + component. On some systems only the accumulation buffer depth, + which is the sum of the red, green, and blue bits, is + considered. */ + public void setAccumAlphaBits(int accumAlphaBits) { + this.accumAlphaBits = accumAlphaBits; + } + + /** Indicates whether sample buffers for full-scene antialiasing + (FSAA) should be allocated for this drawable. Defaults to + false. */ + public void setSampleBuffers(boolean onOrOff) { + sampleBuffers = onOrOff; + } + + /** Returns whether sample buffers for full-scene antialiasing + (FSAA) should be allocated for this drawable. Defaults to + false. */ + public boolean getSampleBuffers() { + return sampleBuffers; + } + + /** If sample buffers are enabled, indicates the number of buffers + to be allocated. Defaults to 2. */ + public void setNumSamples(int numSamples) { + this.numSamples = numSamples; + } + + /** Returns the number of sample buffers to be allocated if sample + buffers are enabled. Defaults to 2. */ + public int getNumSamples() { + return numSamples; + } + + /** For pbuffers only, indicates whether floating-point buffers + should be used if available. Defaults to false. */ + public void setPbufferFloatingPointBuffers(boolean onOrOff) { + pbufferFloatingPointBuffers = onOrOff; + } + + /** For pbuffers only, returns whether floating-point buffers should + be used if available. Defaults to false. */ + public boolean getPbufferFloatingPointBuffers() { + return pbufferFloatingPointBuffers; + } + + /** For pbuffers only, indicates whether the render-to-texture + extension should be used if available. Defaults to false. */ + public void setPbufferRenderToTexture(boolean onOrOff) { + pbufferRenderToTexture = onOrOff; + } + + /** For pbuffers only, returns whether the render-to-texture + extension should be used if available. Defaults to false. */ + public boolean getPbufferRenderToTexture() { + return pbufferRenderToTexture; + } + + /** For pbuffers only, indicates whether the + render-to-texture-rectangle extension should be used if + available. Defaults to false. */ + public void setPbufferRenderToTextureRectangle(boolean onOrOff) { + pbufferRenderToTextureRectangle = onOrOff; + } + + /** For pbuffers only, returns whether the render-to-texture + extension should be used. Defaults to false. */ + public boolean getPbufferRenderToTextureRectangle() { + return pbufferRenderToTextureRectangle; + } + + /** For on-screen OpenGL contexts on some platforms, sets whether + the background of the context should be considered opaque. On + supported platforms, setting this to false, in conjunction with + other changes at the window toolkit level, can allow + hardware-accelerated OpenGL content inside of windows of + arbitrary shape. To achieve this effect it is necessary to use + an OpenGL clear color with an alpha less than 1.0. The default + value for this flag is <code>true</code>; setting it to false + may incur a certain performance penalty, so it is not + recommended to arbitrarily set it to false. */ + public void setBackgroundOpaque(boolean opaque) { + backgroundOpaque = opaque; + } + + /** Indicates whether the background of this OpenGL context should + be considered opaque. Defaults to true. + + @see #setBackgroundOpaque + */ + public boolean isBackgroundOpaque() { + return backgroundOpaque; + } + + /** Returns a textual representation of this NWCapabilities + object. */ + public String toString() { + return ("NWCapabilities [" + + "DoubleBuffered: " + doubleBuffered + + ", Stereo: " + stereo + + ", HardwareAccelerated: " + hardwareAccelerated + + ", DepthBits: " + depthBits + + ", StencilBits: " + stencilBits + + ", Red: " + redBits + + ", Green: " + greenBits + + ", Blue: " + blueBits + + ", Alpha: " + alphaBits + + ", Red Accum: " + accumRedBits + + ", Green Accum: " + accumGreenBits + + ", Blue Accum: " + accumBlueBits + + ", Alpha Accum: " + accumAlphaBits + + ", Multisample: " + sampleBuffers + + (sampleBuffers ? ", Num samples: " + numSamples : "") + + ", Opaque: " + backgroundOpaque + + " ]"); + } +} diff --git a/src/classes/javax/media/nwi/NWCapabilitiesChooser.java b/src/classes/javax/media/nwi/NWCapabilitiesChooser.java new file mode 100644 index 000000000..12884c5e2 --- /dev/null +++ b/src/classes/javax/media/nwi/NWCapabilitiesChooser.java @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package javax.media.nwi; + +/** Provides a mechanism by which applications can customize the + window type selection for a given {@link NWCapabilities}. + Developers can implement this interface and pass an instance into + the appropriate method of {@link GLDrawableFactory}; the chooser + will be called during the OpenGL context creation process. */ + +public interface NWCapabilitiesChooser { + /** Chooses the index (0..available.length - 1) of the {@link + NWCapabilities} most closely matching the desired one from the + list of all supported. Some of the entries in the + <code>available</code> array may be null; the chooser must + ignore these. The <em>windowSystemRecommendedChoice</em> + parameter may be provided to the chooser by the underlying + window system; if this index is valid, it is recommended, but + not necessarily required, that the chooser select that entry. + + <P> <em>Note:</em> this method is called automatically by the + {@link GLDrawableFactory} when an instance of this class is + passed in to one of its factory methods. It should generally not + be invoked by users directly, unless it is desired to delegate + the choice to some other NWCapabilitiesChooser object. + */ + public int chooseCapabilities(NWCapabilities desired, + NWCapabilities[] available, + int windowSystemRecommendedChoice); +} diff --git a/src/classes/javax/media/nwi/NativeWindow.java b/src/classes/javax/media/nwi/NativeWindow.java new file mode 100644 index 000000000..f992c2231 --- /dev/null +++ b/src/classes/javax/media/nwi/NativeWindow.java @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package javax.media.nwi; + +/** Provides the mechanism by which the Java / OpenGL binding + interacts with windows. A window toolkit such as the AWT may + either implement this interface directly with one of its + components, or provide and register an implementation of {@link + NativeWindowFactory NativeWindowFactory} which can create + NativeWindow objects for its components. <P> + + A NativeWindow created for a particular on-screen component is + expected to have the same lifetime as that component. As long as + the component is alive, the NativeWindow must be able to control + it, and any time it is visible and locked, provide information + such as the window handle to the Java / OpenGL binding so that + GLDrawables and GLContexts may be created for the window. +*/ + +public interface NativeWindow { + public static final int LOCK_NOT_SUPPORTED = 0; + public static final int LOCK_SURFACE_NOT_READY = 1; + public static final int LOCK_SURFACE_CHANGED = 2; + public static final int LOCK_SUCCESS = 3; + + /** + * Lock this surface + */ + public int lockSurface() throws NativeWindowException ; + + /** + * Unlock this surface + */ + public void unlockSurface(); + public boolean isSurfaceLocked(); + + /** + * render all native window information invalid, + * as if the native window was destroyed + */ + public void invalidate(); + + /** + * Lifetime: locked state + */ + public long getDisplayHandle(); + public long getScreenHandle(); + + /** + * Returns the window handle for this NativeWindow. <P> + * + * The window handle shall reflect the platform one + * for all window related operations, e.g. open, close, resize. <P> + * + * On X11 this returns an entity of type Window. <BR> + * On Microsoft Windows this returns an entity of type HWND. + */ + public long getWindowHandle(); + + /** + * Returns the handle to the surface for this NativeWindow. <P> + * + * The surface handle shall reflect the platform one + * for all drawable surface operations, e.g. opengl, swap-buffer. <P> + * + * On X11 this returns an entity of type Window, + * since there is no differentiation of surface and window there. <BR> + * On Microsoft Windows this returns an entity of type HDC. + */ + public long getSurfaceHandle(); + + /** + * Lifetime: after 1st lock, until invalidation + */ + public long getVisualID(); + public int getScreenIndex(); + + /** Returns the current width of this window. */ + public int getWidth(); + + /** Returns the current height of this window. */ + public int getHeight(); +} diff --git a/src/classes/javax/media/nwi/NativeWindowException.java b/src/classes/javax/media/nwi/NativeWindowException.java new file mode 100644 index 000000000..bc1a8ddef --- /dev/null +++ b/src/classes/javax/media/nwi/NativeWindowException.java @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package javax.media.nwi; + +/** A generic exception for OpenGL errors used throughout the binding + as a substitute for {@link RuntimeException}. */ + +public class NativeWindowException extends RuntimeException { + /** Constructs a NativeWindowException object. */ + public NativeWindowException() { + super(); + } + + /** Constructs a NativeWindowException object with the specified detail + message. */ + public NativeWindowException(String message) { + super(message); + } + + /** Constructs a NativeWindowException object with the specified detail + message and root cause. */ + public NativeWindowException(String message, Throwable cause) { + super(message, cause); + } + + /** Constructs a NativeWindowException object with the specified root + cause. */ + public NativeWindowException(Throwable cause) { + super(cause); + } +} |