From d6f7c51dff01fdea5ce610c6da60ca2ac9cb9c43 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Tue, 1 Aug 2023 17:43:46 +0200
Subject: Graph GLRegion.create(..): Expose variant with custom pass2TexUnit
 for VBAA (default texture unit is 0)

---
 .../com/jogamp/graph/curve/opengl/GLRegion.java    | 28 ++++++++++++++++++----
 1 file changed, 23 insertions(+), 5 deletions(-)

(limited to 'src/jogl')

diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
index 49daa344b..2864f48bb 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
@@ -100,29 +100,47 @@ public abstract class GLRegion extends Region {
     /**
      * Create a GLRegion using the passed render mode
      *
-     * <p> In case {@link Region#VBAA_RENDERING_BIT} is being requested the default texture unit
-     * {@link Region#DEFAULT_TWO_PASS_TEXTURE_UNIT} is being used.</p>
      * @param glp intended GLProfile to use. Instance may use higher OpenGL features if indicated by GLProfile.
      * @param renderModes bit-field of modes, e.g. {@link Region#VARWEIGHT_RENDERING_BIT}, {@link Region#VBAA_RENDERING_BIT}
      * @param colorTexSeq optional {@link TextureSequence} for {@link Region#COLORTEXTURE_RENDERING_BIT} rendering mode.
+     * @param pass2TexUnit texture unit for 2nd pass rendering ({@link Region#VBAA_RENDERING_BIT}), default is {@link Region#DEFAULT_TWO_PASS_TEXTURE_UNIT}.
      * @param initialVerticesCount initial number of vertices in the render-buffer
      * @param initialIndicesCount initial number of indices in the render-buffer
      */
-    public static GLRegion create(final GLProfile glp, int renderModes, final TextureSequence colorTexSeq, final int initialVerticesCount, final int initialIndicesCount) {
+    public static GLRegion create(final GLProfile glp, int renderModes, final TextureSequence colorTexSeq, final int pass2TexUnit,
+                                  final int initialVerticesCount, final int initialIndicesCount)
+    {
         if( null != colorTexSeq ) {
             renderModes |= Region.COLORTEXTURE_RENDERING_BIT;
         } else if( Region.hasColorTexture(renderModes) ) {
             throw new IllegalArgumentException("COLORTEXTURE_RENDERING_BIT set but null TextureSequence");
         }
         if( isVBAA(renderModes) ) {
-            return new VBORegion2PVBAAES2(glp, renderModes, colorTexSeq, Region.DEFAULT_TWO_PASS_TEXTURE_UNIT, initialVerticesCount, initialIndicesCount);
+            return new VBORegion2PVBAAES2(glp, renderModes, colorTexSeq, pass2TexUnit, initialVerticesCount, initialIndicesCount);
         } else if( isMSAA(renderModes) ) {
-            return new VBORegion2PMSAAES2(glp, renderModes, colorTexSeq, Region.DEFAULT_TWO_PASS_TEXTURE_UNIT, initialVerticesCount, initialIndicesCount);
+            return new VBORegion2PMSAAES2(glp, renderModes, colorTexSeq, pass2TexUnit, initialVerticesCount, initialIndicesCount);
         } else {
             return new VBORegionSPES2(glp, renderModes, colorTexSeq, initialVerticesCount, initialIndicesCount);
         }
     }
 
+    /**
+     * Create a GLRegion using the passed render mode
+     *
+     * <p> In case {@link Region#VBAA_RENDERING_BIT} is being requested the default texture unit
+     * {@link Region#DEFAULT_TWO_PASS_TEXTURE_UNIT} is being used.</p>
+     * @param glp intended GLProfile to use. Instance may use higher OpenGL features if indicated by GLProfile.
+     * @param renderModes bit-field of modes, e.g. {@link Region#VARWEIGHT_RENDERING_BIT}, {@link Region#VBAA_RENDERING_BIT}
+     * @param colorTexSeq optional {@link TextureSequence} for {@link Region#COLORTEXTURE_RENDERING_BIT} rendering mode.
+     * @param initialVerticesCount initial number of vertices in the render-buffer
+     * @param initialIndicesCount initial number of indices in the render-buffer
+     */
+    public static GLRegion create(final GLProfile glp, final int renderModes, final TextureSequence colorTexSeq,
+                                  final int initialVerticesCount, final int initialIndicesCount)
+    {
+        return create(glp, renderModes, colorTexSeq, Region.DEFAULT_TWO_PASS_TEXTURE_UNIT, initialVerticesCount, initialIndicesCount);
+    }
+
     /**
      * Create a GLRegion using the passed render mode and default initial buffer sizes {@link #defaultVerticesCount} and {@link #defaultIndicesCount}.
      *
-- 
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