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-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java51
1 files changed, 29 insertions, 22 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 18a7527b6..bdaa2d792 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java
@@ -163,8 +163,10 @@ import com.jogamp.opengl.util.texture.spi.*;
* @author Chris Campbell, Kenneth Russell, et.al.
*/
public class Texture {
- /** The GL target type. */
+ /** The GL target type for this texture. */
private int target;
+ /** The image GL target type for this texture, or its sub-components if cubemap. */
+ private int imageTarget;
/** The GL texture ID. */
private int texID;
/** The width of the texture. */
@@ -190,7 +192,8 @@ public class Texture {
@Override
public String toString() {
- return "Texture[target 0x"+Integer.toHexString(target)+", name "+texID+", "+
+ final String targetS = target == imageTarget ? Integer.toHexString(target) : Integer.toHexString(target) + " - image "+Integer.toHexString(imageTarget);
+ return "Texture[target "+targetS+", name "+texID+", "+
imgWidth+"/"+texWidth+" x "+imgHeight+"/"+texHeight+", y-flip "+mustFlipVertically+
", "+estimatedMemorySize+" bytes]";
}
@@ -206,7 +209,9 @@ public class Texture {
private static final boolean disableTexRect = Debug.isPropertyDefined("jogl.texture.notexrect", true);
public Texture(final GL gl, final TextureData data) throws GLException {
- texID = 0;
+ this.texID = 0;
+ this.target = 0;
+ this.imageTarget = 0;
updateImage(gl, data);
}
@@ -217,8 +222,9 @@ public class Texture {
* GL2.GL_TEXTURE_RECTANGLE
*/
public Texture(final int target) {
- texID = 0;
+ this.texID = 0;
this.target = target;
+ this.imageTarget = target;
}
/**
@@ -250,11 +256,14 @@ public class Texture {
final boolean mustFlipVertically) {
this.texID = textureID;
this.target = target;
+ this.imageTarget = target;
this.mustFlipVertically = mustFlipVertically;
this.texWidth = texWidth;
this.texHeight = texHeight;
- aspectRatio = (float) imgWidth / (float) imgHeight;
- setImageSize(imgWidth, imgHeight, target);
+ this.aspectRatio = (float) imgWidth / (float) imgHeight;
+ this.imgWidth = imgWidth;
+ this.imgHeight = imgHeight;
+ this.updateTexCoords();
}
/**
@@ -344,8 +353,6 @@ public class Texture {
/**
* Returns the OpenGL "target" of this texture.
- *
- * @return the OpenGL target of this texture
* @see com.jogamp.opengl.GL#GL_TEXTURE_2D
* @see com.jogamp.opengl.GL2#GL_TEXTURE_RECTANGLE_ARB
*/
@@ -354,6 +361,15 @@ public class Texture {
}
/**
+ * Returns the image OpenGL "target" of this texture, or its sub-components if cubemap.
+ * @see com.jogamp.opengl.GL#GL_TEXTURE_2D
+ * @see com.jogamp.opengl.GL2#GL_TEXTURE_RECTANGLE_ARB
+ */
+ public int getImageTarget() {
+ return imageTarget;
+ }
+
+ /**
* Returns the width of the allocated OpenGL texture in pixels.
* Note that the texture width will be greater than or equal to the
* width of the image contained within.
@@ -438,7 +454,7 @@ public class Texture {
* @return the texture coordinates corresponding to the specified sub-image
*/
public TextureCoords getSubImageTexCoords(final int x1, final int y1, final int x2, final int y2) {
- if (target == GL2.GL_TEXTURE_RECTANGLE_ARB) {
+ if (GL2.GL_TEXTURE_RECTANGLE_ARB == imageTarget) {
if (mustFlipVertically) {
return new TextureCoords(x1, texHeight - y1, x2, texHeight - y2);
} else {
@@ -616,17 +632,17 @@ public class Texture {
texHeight = nextPowerOfTwo(imgHeight);
texTarget = GL.GL_TEXTURE_2D;
}
-
texParamTarget = texTarget;
- setImageSize(imgWidth, imgHeight, texTarget);
+ imageTarget = texTarget;
+ updateTexCoords();
if (targetOverride != 0) {
// Allow user to override auto detection and skip bind step (for
// cubemap construction)
- texTarget = targetOverride;
if (this.target == 0) {
throw new GLException("Override of target failed; no target specified yet");
}
+ texTarget = targetOverride;
texParamTarget = this.target;
gl.glBindTexture(texParamTarget, texID);
} else {
@@ -977,17 +993,8 @@ public class Texture {
return ret;
}
- /**
- * Updates the actual image dimensions; usually only called from
- * <code>updateImage</code>.
- */
- private void setImageSize(final int width, final int height, final int target) {
- imgWidth = width;
- imgHeight = height;
- updateTexCoords();
- }
private void updateTexCoords() {
- if (target == GL2.GL_TEXTURE_RECTANGLE_ARB) {
+ if ( GL2.GL_TEXTURE_RECTANGLE_ARB == imageTarget ) {
if (mustFlipVertically) {
coords = new TextureCoords(0, imgHeight, imgWidth, 0);
} else {