Graph: Add GLRegion creation w/ pre-calculating its buffer sizes; TextRegionUtil: Use pre-calc'ing buffer sizes for GLRegion;

TextRendererGLELBase: Fix temp AffineTransform usage

2 files changed, 60 insertions, 2 deletions

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 e02752f73..57f9a69d8 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
@@ -41,6 +41,7 @@ import jogamp.graph.curve.opengl.VBORegionSPES2;
 import com.jogamp.opengl.util.PMVMatrix;

 import com.jogamp.opengl.util.texture.TextureSequence;

 import com.jogamp.graph.curve.Region;

+import com.jogamp.graph.font.Font;

 

 import java.io.PrintStream;

 

@@ -120,6 +121,44 @@ public abstract class GLRegion extends Region {
         return GLRegion.create(glp, renderModes, colorTexSeq, defaultVerticesCount, defaultIndicesCount);

     }

 

+    /**

+     * Create a GLRegion using the passed render mode and pre-calculating its buffer sizes

+     * using given font's {@link Font#processString(com.jogamp.graph.curve.OutlineShape.Visitor2, CharSequence)}

+     * to {@link #countOutlineShape(OutlineShape, int[])}.

+     *

+     * <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 font Font used to {@link Font#processString(com.jogamp.graph.curve.OutlineShape.Visitor2, CharSequence)} to {@link #countOutlineShape(OutlineShape, int[]) to count initial number of vertices and indices}

+     * @param str the string used to to {@link #countOutlineShape(OutlineShape, int[]) to count initial number of vertices and indices}

+     */

+    public static GLRegion create(final GLProfile glp, int renderModes, final TextureSequence colorTexSeq, final Font font, final CharSequence str) {

+        if( null != colorTexSeq ) {

+            renderModes |= Region.COLORTEXTURE_RENDERING_BIT;

+        } else if( Region.hasColorTexture(renderModes) ) {

+            throw new IllegalArgumentException("COLORTEXTURE_RENDERING_BIT set but null TextureSequence");

+        }

+        GLRegion region;

+        if( isVBAA(renderModes) ) {

+            region = new VBORegion2PVBAAES2(glp, renderModes, colorTexSeq, Region.DEFAULT_TWO_PASS_TEXTURE_UNIT, 0, 0);

+        } else if( isMSAA(renderModes) ) {

+            region = new VBORegion2PMSAAES2(glp, renderModes, colorTexSeq, Region.DEFAULT_TWO_PASS_TEXTURE_UNIT, 0, 0);

+        } else {

+            region = new VBORegionSPES2(glp, renderModes, colorTexSeq, 0, 0);

+        }

+        final int[] vertIndexCount = { 0, 0 };

+        final OutlineShape.Visitor2 visitor = new OutlineShape.Visitor2() {

+            @Override

+            public final void visit(final OutlineShape shape) {

+                region.countOutlineShape(shape, vertIndexCount);

+            } };

+        font.processString(visitor, str);

+        region.setBufferCapacity(vertIndexCount[0], vertIndexCount[1]);

+        return region;

+    }

+

     private final int gl_idx_type;

     protected final TextureSequence colorTexSeq;

 

diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRegionUtil.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRegionUtil.java
index 8d55c6136..de9ff5636 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRegionUtil.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRegionUtil.java
@@ -125,6 +125,7 @@ public class TextRegionUtil {
      * @param vertIndexCount the int[2] storage where the counted vertices and indices are added, vertices at [0] and indices at [1]
      * @see Region#setBufferCapacity(int, int)
      * @see Region#growBuffer(int, int)
+     * @see #drawString3D(GL2ES2, GLRegion, RegionRenderer, Font, CharSequence, float[], int[], AffineTransform, AffineTransform)
      */
     public static void countStringRegion(final Region region, final Font font, final CharSequence str, final int[/*2*/] vertIndexCount) {
         final OutlineShape.Visitor2 visitor = new OutlineShape.Visitor2() {
@@ -146,6 +147,9 @@ public class TextRegionUtil {
      * <p>
      * Cached {@link GLRegion}s will be destroyed w/ {@link #clear(GL2ES2)} or to free memory.
      * </p>
+     * <p>
+     * The region's buffer size is pre-calculated via {@link GLRegion#create(com.jogamp.opengl.GLProfile, int, com.jogamp.opengl.util.texture.TextureSequence, Font, CharSequence)}
+     * </p>
      * @param gl the current GL state
      * @param renderer TODO
      * @param font {@link Font} to be used
@@ -165,7 +169,7 @@ public class TextRegionUtil {
         GLRegion region = getCachedRegion(font, str);
         AABBox res;
         if(null == region) {
-            region = GLRegion.create(gl.getGLProfile(), renderModes, null);
+            region = GLRegion.create(gl.getGLProfile(), renderModes, null, font, str);
             res = addStringToRegion(region, font, null, str, rgbaColor, tempT1, tempT2);
             addCachedRegion(gl, font, str, region);
         } else {
@@ -178,6 +182,9 @@ public class TextRegionUtil {
 
     /**
      * Try using {@link #drawString3D(GL2ES2, int, RegionRenderer, Font, CharSequence, float[], int[], AffineTransform, AffineTransform)} to reuse {@link AffineTransform} instances.
+     * <p>
+     * The region's buffer size is pre-calculated via {@link GLRegion#create(com.jogamp.opengl.GLProfile, int, com.jogamp.opengl.util.texture.TextureSequence, Font, CharSequence)}
+     * </p>
      */
     public static AABBox drawString3D(final GL2ES2 gl, final int renderModes,
                                       final RegionRenderer renderer, final Font font, final CharSequence str,
@@ -194,6 +201,9 @@ public class TextRegionUtil {
      * Origin of rendered text is 0/0 at bottom left.
      * </p>
      * <p>
+     * The region's buffer size is pre-calculated via {@link GLRegion#create(com.jogamp.opengl.GLProfile, int, com.jogamp.opengl.util.texture.TextureSequence, Font, CharSequence)}
+     * </p>
+     * <p>
      * In case of a multisampling region renderer, i.e. {@link Region#VBAA_RENDERING_BIT}, recreating the {@link GLRegion}
      * is a huge performance impact.
      * In such case better use {@link #drawString3D(GL2ES2, GLRegion, RegionRenderer, Font, CharSequence, float[], int[], AffineTransform, AffineTransform)}
@@ -217,7 +227,7 @@ public class TextRegionUtil {
         if(!renderer.isInitialized()){
             throw new GLException("TextRendererImpl01: not initialized!");
         }
-        final GLRegion region = GLRegion.create(gl.getGLProfile(), renderModes, null);
+        final GLRegion region = GLRegion.create(gl.getGLProfile(), renderModes, null, font, str);
         final AABBox res = addStringToRegion(region, font, null, str, rgbaColor, tmp1, tmp2);
         region.draw(gl, renderer, sampleCount);
         region.destroy(gl);
@@ -226,6 +236,9 @@ public class TextRegionUtil {
 
     /**
      * Try using {@link #drawString3D(GL2ES2, GLRegion, RegionRenderer, Font, CharSequence, float[], int[], AffineTransform, AffineTransform)} to reuse {@link AffineTransform} instances.
+     * <p>
+     * The region's buffer size is pre-calculated via {@link #countStringRegion(Region, Font, CharSequence, int[])}.
+     * </p>
      */
     public static AABBox drawString3D(final GL2ES2 gl, final GLRegion region, final RegionRenderer renderer,
                                       final Font font, final CharSequence str, final float[] rgbaColor, final int[/*1*/] sampleCount) {
@@ -243,6 +256,9 @@ public class TextRegionUtil {
      * <p>
      * Origin of rendered text is 0/0 at bottom left.
      * </p>
+     * <p>
+     * The region's buffer size is pre-calculated via {@link #countStringRegion(Region, Font, CharSequence, int[])}.
+     * </p>
      * @param gl the current GL state
      * @param region
      * @param renderer
@@ -262,6 +278,9 @@ public class TextRegionUtil {
         if(!renderer.isInitialized()){
             throw new GLException("TextRendererImpl01: not initialized!");
         }
+        final int[] vertIndCount = { 0, 0 };
+        TextRegionUtil.countStringRegion(region, font, str, vertIndCount);
+        region.growBuffer(vertIndCount[0], vertIndCount[1]);
         final AABBox res = addStringToRegion(region, font, null, str, rgbaColor, tmp1, tmp2);
         region.draw(gl, renderer, sampleCount);
         return res;