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-rw-r--r--src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java17
-rw-r--r--src/jogl/classes/com/jogamp/graph/curve/opengl/RenderState.java18
2 files changed, 30 insertions, 5 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
index a0a318a49..272099385 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
@@ -69,7 +69,8 @@ public class RegionRenderer {
/**
* Default {@link GL#GL_BLEND} <i>enable</i> {@link GLCallback},
- * turning-off depth writing via {@link GL#glDepthMask(boolean)} and turning-on the {@link GL#GL_BLEND} state.
+ * turning-off depth writing via {@link GL#glDepthMask(boolean)} if {@link RenderState#BITHINT_GLOBAL_DEPTH_TEST_ENABLED} is set
+ * and turning-on the {@link GL#GL_BLEND} state.
* <p>
* Implementation also sets {@link RegionRenderer#getRenderState() RenderState}'s {@link RenderState#BITHINT_BLENDING_ENABLED blending bit-hint},
* which will cause {@link GLRegion#draw(GL2ES2, RegionRenderer, int[]) GLRegion's draw-method}
@@ -82,7 +83,11 @@ public class RegionRenderer {
public static final GLCallback defaultBlendEnable = new GLCallback() {
@Override
public void run(final GL gl, final RegionRenderer renderer) {
- gl.glDepthMask(false);
+ if( renderer.rs.isHintMaskSet(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED) ) {
+ gl.glDepthMask(false);
+ // gl.glDisable(GL.GL_DEPTH_TEST);
+ // gl.glDepthFunc(GL.GL_ALWAYS);
+ }
gl.glEnable(GL.GL_BLEND);
gl.glBlendEquation(GL.GL_FUNC_ADD); // default
renderer.rs.setHintMask(RenderState.BITHINT_BLENDING_ENABLED);
@@ -92,7 +97,7 @@ public class RegionRenderer {
/**
* Default {@link GL#GL_BLEND} <i>disable</i> {@link GLCallback},
* simply turning-off the {@link GL#GL_BLEND} state
- * and turning-on depth writing via {@link GL#glDepthMask(boolean)}.
+ * and turning-on depth writing via {@link GL#glDepthMask(boolean)} if {@link RenderState#BITHINT_GLOBAL_DEPTH_TEST_ENABLED} is set.
* <p>
* Implementation also clears {@link RegionRenderer#getRenderState() RenderState}'s {@link RenderState#BITHINT_BLENDING_ENABLED blending bit-hint}.
* </p>
@@ -104,7 +109,11 @@ public class RegionRenderer {
public void run(final GL gl, final RegionRenderer renderer) {
renderer.rs.clearHintMask(RenderState.BITHINT_BLENDING_ENABLED);
gl.glDisable(GL.GL_BLEND);
- gl.glDepthMask(true);
+ if( renderer.rs.isHintMaskSet(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED) ) {
+ // gl.glEnable(GL.GL_DEPTH_TEST);
+ // gl.glDepthFunc(GL.GL_LESS);
+ gl.glDepthMask(true);
+ }
}
};
diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RenderState.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RenderState.java
index 7eb34a62d..f991855c0 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/RenderState.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RenderState.java
@@ -58,12 +58,28 @@ public class RenderState {
* and the clear-color to <i>transparent-black</i> in case of {@link Region#isTwoPass(int) multipass} FBO rendering.
* </p>
* <p>
- * Shall be called by custom code, e.g. via {@link RegionRenderer}'s
+ * Shall be set by custom code, e.g. via {@link RegionRenderer}'s
* enable and disable {@link RegionRenderer.GLCallback} as done in
* {@link RegionRenderer#defaultBlendEnable} and {@link RegionRenderer#defaultBlendDisable}.
* </p>
*/
public static final int BITHINT_BLENDING_ENABLED = 1 << 0 ;
+
+ /**
+ * Bitfield hint, {@link #isHintMaskSet(int) if set}
+ * stating globally <i>enabled</i> {@link GL#GL_DEPTH_TEST}, otherwise <i>disabled</i>.
+ * <p>
+ * Shall be set via {@link #setHintMask(int)} and cleared via {@link #clearHintMask(int)}.
+ * </p>
+ * <p>
+ * {@link GLRegion#draw(GL2ES2, RegionRenderer, int[]) GLRegion's draw-method}
+ * may toggle depth test, and reset it's state according to this hint.
+ * </p>
+ * <p>
+ * Shall be set by custom code, e.g. after {@link RenderState} or {@link RegionRenderer} construction.
+ * </p>
+ */
+ public static final int BITHINT_GLOBAL_DEPTH_TEST_ENABLED = 1 << 1 ;
public static RenderState createRenderState(Vertex.Factory<? extends Vertex> pointFactory) {
return new RenderState(pointFactory, null);