diff options
Diffstat (limited to 'src/jogl/classes')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java | 38 | ||||
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java | 11 |
2 files changed, 38 insertions, 11 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java b/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java index 5868e1b52..2af971b48 100644 --- a/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java +++ b/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java @@ -170,6 +170,8 @@ public class Texture { private int imageTarget; /** The GL texture ID. */ private int texID; + /** Owning texture texID */ + private final boolean ownsTextureID; /** The width of the texture. */ private int texWidth; /** The height of the texture. */ @@ -211,6 +213,7 @@ public class Texture { public Texture(final GL gl, final TextureData data) throws GLException { this.texID = 0; + this.ownsTextureID = true; this.target = 0; this.imageTarget = 0; updateImage(gl, data); @@ -224,6 +227,7 @@ public class Texture { */ public Texture(final int target) { this.texID = 0; + this.ownsTextureID = true; this.target = target; this.imageTarget = target; } @@ -235,7 +239,10 @@ public class Texture { * it. Attempts to update such textures' contents will yield * undefined results. * - * @param textureID the OpenGL texture object to wrap + * @param textureID the valid OpenGL texture object to wrap + * @param ownsTextureID pass {@code true} if this {@link Texture} instance takes ownership of {@code textureID} texture + * and {@link GL#glDeleteTextures(int, int[], int) deletes the texture} at {@link #destroy(GL)}. + * Otherwise, if {@code false}, {@code textureID} texture will not be {@link GL#glDeleteTextures(int, int[], int) deleted} at {@link #destroy(GL)}. * @param target the OpenGL texture target, eg GL.GL_TEXTURE_2D, * GL2.GL_TEXTURE_RECTANGLE * @param texWidth the width of the texture in pixels @@ -251,11 +258,13 @@ public class Texture { * in order to properly display the * texture */ - public Texture(final int textureID, final int target, + public Texture(final int textureID, final boolean ownsTextureID, + final int target, final int texWidth, final int texHeight, final int imgWidth, final int imgHeight, final boolean mustFlipVertically) { this.texID = textureID; + this.ownsTextureID = ownsTextureID; this.target = target; this.imageTarget = target; this.mustFlipVertically = mustFlipVertically; @@ -265,6 +274,9 @@ public class Texture { this.imgWidth = imgWidth; this.imgHeight = imgHeight; this.updateTexCoords(); + if ( 0 == texID ) { + throw new GLException("External texture ID invalid: texID "+textureID); + } } /** @@ -341,15 +353,16 @@ public class Texture { } /** - * Destroys the native resources used by this texture object. + * Destroys and {@code null}s the {@link #getTextureObject() underlying native texture} used by this {@link Texture} instance + * if {@link #ownsTexture() owned}, otherwise just {@code null}s the {@link #getTextureObject() underlying native texture}. * * @throws GLException if any OpenGL-related errors occurred */ public void destroy(final GL gl) throws GLException { - if(0!=texID) { + if( 0 != texID && ownsTextureID ) { gl.glDeleteTextures(1, new int[] {texID}, 0); - texID = 0; } + texID = 0; } /** @@ -939,9 +952,10 @@ public class Texture { * </p> * @see #getTextureObject(GL) */ - public int getTextureObject() { - return texID; - } + public int getTextureObject() { return texID; } + + /** Returns whether {@link #getTextureObject()} is owned by this {@link Texture} instance. */ + public final boolean ownsTexture() { return ownsTextureID; } /** Returns an estimate of the amount of texture memory in bytes this Texture consumes. It should only be treated as an estimate; @@ -1130,7 +1144,7 @@ public class Texture { private boolean validateTexID(final GL gl, final boolean throwException) { if( 0 == texID ) { - if( null != gl ) { + if( null != gl && ownsTextureID ) { final int[] tmp = new int[1]; gl.glGenTextures(1, tmp, 0); texID = tmp[0]; @@ -1138,7 +1152,11 @@ public class Texture { throw new GLException("Create texture ID invalid: texID "+texID+", glerr 0x"+Integer.toHexString(gl.glGetError())); } } else if ( throwException ) { - throw new GLException("No GL context given, can't create texture ID"); + if( !ownsTextureID ) { + throw new GLException("Invalid external texture ID"); + } else { + throw new GLException("No GL context given, can't create texture ID"); + } } } return 0 != texID; diff --git a/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java b/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java index 4133a50fd..94b666b7b 100644 --- a/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java +++ b/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java @@ -843,6 +843,14 @@ public abstract class GLMediaPlayerImpl implements GLMediaPlayer { protected abstract TextureFrame createTexImage(GL gl, int texName); + /** + * Creating a {@link Texture} instance by taking ownership of the given {@code texName} texture object. + * @param gl current GL object + * @param texName generated texture object to be used and taken ownership of + * @param tWidth + * @param tHeight + * @return + */ protected final Texture createTexImageImpl(final GL gl, final int texName, final int tWidth, final int tHeight) { if( 0 > texName ) { throw new RuntimeException("TextureName "+toHexString(texName)+" invalid."); @@ -886,7 +894,8 @@ public abstract class GLMediaPlayerImpl implements GLMediaPlayer { gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_S, texWrapST[0]); gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_T, texWrapST[1]); - return new Texture(texName, textureTarget, + return new Texture(texName, true /* ownsTextureID */, + textureTarget, tWidth, tHeight, width, height, !isInGLOrientation); } |