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-rw-r--r--make/config/jogl/gl-impl-CustomJavaCode-common.java5
-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java4
-rw-r--r--src/jogl/classes/javax/media/opengl/GLBase.java11
3 files changed, 17 insertions, 3 deletions
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-common.java b/make/config/jogl/gl-impl-CustomJavaCode-common.java
index 0a8e90171..0878bd236 100644
--- a/make/config/jogl/gl-impl-CustomJavaCode-common.java
+++ b/make/config/jogl/gl-impl-CustomJavaCode-common.java
@@ -35,6 +35,11 @@
return _context.isExtensionAvailable(glExtensionName);
}
+ public boolean isNPOTTextureAvailable() {
+ return isGL3() || isGLES2() || isExtensionAvailable(GL_ARB_texture_non_power_of_two);
+ }
+ private static final String GL_ARB_texture_non_power_of_two = "GL_ARB_texture_non_power_of_two";
+
public Object getExtension(String extensionName) {
// At this point we don't expose any extensions using this mechanism
return null;
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 b6df365ba..7f3aa8a39 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/texture/Texture.java
@@ -1055,9 +1055,7 @@ public class Texture {
// Helper routines for disabling certain codepaths
private static boolean haveNPOT(GL gl) {
- return (!disableNPOT &&
- ( gl.isGLES2() ||
- gl.isExtensionAvailable("GL_ARB_texture_non_power_of_two") ) );
+ return !disableNPOT && gl.isNPOTTextureAvailable();
}
private static boolean haveTexRect(GL gl) {
diff --git a/src/jogl/classes/javax/media/opengl/GLBase.java b/src/jogl/classes/javax/media/opengl/GLBase.java
index f93d443e0..534e449bc 100644
--- a/src/jogl/classes/javax/media/opengl/GLBase.java
+++ b/src/jogl/classes/javax/media/opengl/GLBase.java
@@ -294,6 +294,17 @@ public interface GLBase {
*/
public boolean isExtensionAvailable(String glExtensionName);
+ /**
+ * Returns true if the GL context supports non power of two (NPOT) textures,
+ * otherwise false.
+ * <p>
+ * NPOT textures are supported in OpenGL >= 3, GLES2 or if the
+ * 'GL_ARB_texture_non_power_of_two' extension is available.
+ * </p>
+ * @return
+ */
+ public boolean isNPOTTextureAvailable();
+
/** Provides a platform-independent way to specify the minimum swap
interval for buffer swaps. An argument of 0 disables
sync-to-vertical-refresh completely, while an argument of 1