Graph RegionRenderer: Fix GL3 and ES3 GLSL issues

Macro redefine 'texture2D -> texture'
was added _after_ the custom texture lookup insertion
causing GL3-core to fail.

4 files changed, 108 insertions, 22 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 e8dc5f090..754eb56e8 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
@@ -284,11 +284,11 @@ public class RegionRenderer {
     private static final String SHADER_SRC_SUB = "";
     private static final String SHADER_BIN_SUB = "bin";
 
-    private static String USE_COLOR_CHANNEL = "#define USE_COLOR_CHANNEL 1\n";
-    private static String USE_COLOR_TEXTURE = "#define USE_COLOR_TEXTURE 1\n";
-    private static String DEF_SAMPLE_COUNT = "#define SAMPLE_COUNT ";
-    private static String CONST_SAMPLE_COUNT = "const float sample_count = ";
-    private static String MAIN_BEGIN = "void main (void)\n{\n";
+    private static String GLSL_USE_COLOR_CHANNEL = "#define USE_COLOR_CHANNEL 1\n";
+    private static String GLSL_USE_COLOR_TEXTURE = "#define USE_COLOR_TEXTURE 1\n";
+    private static String GLSL_DEF_SAMPLE_COUNT = "#define SAMPLE_COUNT ";
+    private static String GLSL_CONST_SAMPLE_COUNT = "const float sample_count = ";
+    private static String GLSL_MAIN_BEGIN = "void main (void)\n{\n";
     private static final String gcuTexture2D = "gcuTexture2D";
 
     private String getVersionedShaderName() {
@@ -434,9 +434,6 @@ public class RegionRenderer {
         final ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, AttributeNames.class, SHADER_SRC_SUB, SHADER_BIN_SUB, vertexShaderName, true);
         final ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, AttributeNames.class, SHADER_SRC_SUB, SHADER_BIN_SUB, versionedBaseName+"-segment-head", true);
 
-        int posVp = 0;
-        int posFp = 0;
-
         if( isPass1ColorTexSeq && GLES2.GL_TEXTURE_EXTERNAL_OES == colorTexSeq.getTextureTarget() ) {
             if( !gl.isExtensionAvailable(GLExtensions.OES_EGL_image_external) ) {
                 throw new GLException(GLExtensions.OES_EGL_image_external+" requested but not available");
@@ -451,9 +448,12 @@ public class RegionRenderer {
                 supressGLSLVersionES30 = true;
             }
         }
-        posVp = rsVp.defaultShaderCustomization(gl, !supressGLSLVersionES30, true);
+        //
+        // GLSL customization at top
+        //
+        int posVp = rsVp.defaultShaderCustomization(gl, !supressGLSLVersionES30, true);
         // rsFp.defaultShaderCustomization(gl, true, true);
-        posFp = supressGLSLVersionES30 ? 0 : rsFp.addGLSLVersion(gl);
+        int posFp = supressGLSLVersionES30 ? 0 : rsFp.addGLSLVersion(gl);
         if( isPass1ColorTexSeq ) {
             posFp = rsFp.insertShaderSource(0, posFp, colorTexSeq.getRequiredExtensionsShaderStub());
         }
@@ -468,17 +468,32 @@ public class RegionRenderer {
         } else {
             posFp = rsFp.addDefaultShaderPrecision(gl, posFp);
         }
+
+        //
+        // GLSL append from here on
+        posFp = -1;
+
         if( Region.hasColorChannel( renderModes ) ) {
-            posVp = rsVp.insertShaderSource(0, posVp, USE_COLOR_CHANNEL);
-            posFp = rsFp.insertShaderSource(0, posFp, USE_COLOR_CHANNEL);
+            posVp = rsVp.insertShaderSource(0, posVp, GLSL_USE_COLOR_CHANNEL);
+            posFp = rsFp.insertShaderSource(0, posFp, GLSL_USE_COLOR_CHANNEL);
         }
         if( Region.hasColorTexture( renderModes ) ) {
-            posVp = rsVp.insertShaderSource(0, posVp, USE_COLOR_TEXTURE);
-            posFp = rsFp.insertShaderSource(0, posFp, USE_COLOR_TEXTURE);
+            posVp = rsVp.insertShaderSource(0, posVp, GLSL_USE_COLOR_TEXTURE);
+            posFp = rsFp.insertShaderSource(0, posFp, GLSL_USE_COLOR_TEXTURE);
         }
         if( !pass1 ) {
-            posFp = rsFp.insertShaderSource(0, posFp, DEF_SAMPLE_COUNT+sel1.sampleCount+"\n");
-            posFp = rsFp.insertShaderSource(0, posFp, CONST_SAMPLE_COUNT+sel1.sampleCount+".0;\n");
+            posFp = rsFp.insertShaderSource(0, posFp, GLSL_DEF_SAMPLE_COUNT+sel1.sampleCount+"\n");
+            posFp = rsFp.insertShaderSource(0, posFp, GLSL_CONST_SAMPLE_COUNT+sel1.sampleCount+".0;\n");
+        }
+
+        try {
+            posFp = rsFp.insertShaderSource(0, posFp, AttributeNames.class, "uniforms.glsl");
+            posFp = rsFp.insertShaderSource(0, posFp, AttributeNames.class, "varyings.glsl");
+        } catch (IOException ioe) {
+            throw new RuntimeException("Failed to read: includes", ioe);
+        }
+        if( 0 > posFp ) {
+            throw new RuntimeException("Failed to read: includes");
         }
 
         final String texLookupFuncName;
@@ -490,7 +505,7 @@ public class RegionRenderer {
             texLookupFuncName = null;
         }
 
-        posFp = rsFp.insertShaderSource(0, -1, MAIN_BEGIN);
+        posFp = rsFp.insertShaderSource(0, posFp, GLSL_MAIN_BEGIN);
 
         final String passS = pass1 ? "-pass1-" : "-pass2-";
         final String shaderSegment = versionedBaseName+passS+sel1.tech+sel1.sub+".glsl";
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-segment-head.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-segment-head.fp
index 26e2bcf24..05407a4e6 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-segment-head.fp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-segment-head.fp
@@ -12,8 +12,5 @@
   #define mgl_FragColor gl_FragColor
 #endif
 
-#include uniforms.glsl
-#include varyings.glsl
-
 #define GetSample(texUnit, texCoord, psize, cx, cy, offX, offY) texture2D(texUnit, texCoord + psize *  vec2(cx+offX, cy+offY))
 
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtCanvasAWTDemo.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtCanvasAWTDemo.java
index 011b20c35..bd0af580a 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtCanvasAWTDemo.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtCanvasAWTDemo.java
@@ -50,6 +50,12 @@ public class GPUUISceneNewtCanvasAWTDemo {
     public static void main(String[] args) throws InterruptedException, InvocationTargetException {
         int width = 800, height = 400;
         int x = 10, y = 10;
+
+        boolean forceES2 = false;
+        boolean forceES3 = false;
+        boolean forceGL3 = false;
+        boolean forceGLDef = false;
+
         if( 0 != args.length ) {
             for(int i=0; i<args.length; i++) {
                 if(args[i].equals("-smsaa")) {
@@ -88,9 +94,21 @@ public class GPUUISceneNewtCanvasAWTDemo {
                     final int pS = MiscUtils.atoi(args[i], reqSurfacePixelScale[0]);
                     reqSurfacePixelScale[0] = pS;
                     reqSurfacePixelScale[1] = pS;
+                } else if(args[i].equals("-es2")) {
+                    forceES2 = true;
+                } else if(args[i].equals("-es3")) {
+                    forceES3 = true;
+                } else if(args[i].equals("-gl3")) {
+                    forceGL3 = true;
+                } else if(args[i].equals("-gldef")) {
+                    forceGLDef = true;
                 }
             }
         }
+        System.err.println("forceES2   "+forceES2);
+        System.err.println("forceES3   "+forceES3);
+        System.err.println("forceGL3   "+forceGL3);
+        System.err.println("forceGLDef "+forceGLDef);
         System.err.println("Desired win size "+width+"x"+height);
         System.err.println("Desired win pos  "+x+"/"+y);
         System.err.println("Scene MSAA Samples "+SceneMSAASamples);
@@ -98,7 +116,19 @@ public class GPUUISceneNewtCanvasAWTDemo {
         System.err.println("Graph VBAA Mode "+GraphVBAAMode);
         System.err.println("Graph Auto Mode "+GraphAutoMode+" no-AA dpi threshold");
 
-        GLProfile glp = GLProfile.getGL2ES2();
+        final GLProfile glp;
+        if(forceGLDef) {
+            glp = GLProfile.getDefault();
+        } else if(forceGL3) {
+            glp = GLProfile.get(GLProfile.GL3);
+        } else if(forceES3) {
+            glp = GLProfile.get(GLProfile.GLES3);
+        } else if(forceES2) {
+            glp = GLProfile.get(GLProfile.GLES2);
+        } else {
+            glp = GLProfile.getGL2ES2();
+        }
+        System.err.println("GLProfile: "+glp);
         GLCapabilities caps = new GLCapabilities(glp);
         caps.setAlphaBits(4);
         if( SceneMSAASamples > 0 ) {
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtDemo.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtDemo.java
index dbf0838eb..ee3b129b7 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtDemo.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneNewtDemo.java
@@ -1,5 +1,6 @@
 package com.jogamp.opengl.test.junit.graph.demos;
 
+import javax.media.nativewindow.ScalableSurface;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLProfile;
 
@@ -19,9 +20,17 @@ public class GPUUISceneNewtDemo {
     static boolean GraphMSAAMode = false;
     static float GraphAutoMode = GPUUISceneGLListener0A.DefaultNoAADPIThreshold;
 
+    static int[] reqSurfacePixelScale = new int[] { ScalableSurface.AUTOMAX_PIXELSCALE, ScalableSurface.AUTOMAX_PIXELSCALE };
+
     public static void main(String[] args) {
         int width = 800, height = 400;
         int x = 10, y = 10;
+
+        boolean forceES2 = false;
+        boolean forceES3 = false;
+        boolean forceGL3 = false;
+        boolean forceGLDef = false;
+
         if( 0 != args.length ) {
             for(int i=0; i<args.length; i++) {
                 if(args[i].equals("-smsaa")) {
@@ -55,9 +64,26 @@ public class GPUUISceneNewtDemo {
                 } else if(args[i].equals("-y")) {
                     i++;
                     y = MiscUtils.atoi(args[i], y);
+                } else if(args[i].equals("-pixelScale")) {
+                    i++;
+                    final int pS = MiscUtils.atoi(args[i], reqSurfacePixelScale[0]);
+                    reqSurfacePixelScale[0] = pS;
+                    reqSurfacePixelScale[1] = pS;
+                } else if(args[i].equals("-es2")) {
+                    forceES2 = true;
+                } else if(args[i].equals("-es3")) {
+                    forceES3 = true;
+                } else if(args[i].equals("-gl3")) {
+                    forceGL3 = true;
+                } else if(args[i].equals("-gldef")) {
+                    forceGLDef = true;
                 }
             }
         }
+        System.err.println("forceES2   "+forceES2);
+        System.err.println("forceES3   "+forceES3);
+        System.err.println("forceGL3   "+forceGL3);
+        System.err.println("forceGLDef "+forceGLDef);
         System.err.println("Desired win size "+width+"x"+height);
         System.err.println("Desired win pos  "+x+"/"+y);
         System.err.println("Scene MSAA Samples "+SceneMSAASamples);
@@ -65,7 +91,19 @@ public class GPUUISceneNewtDemo {
         System.err.println("Graph VBAA Mode "+GraphVBAAMode);
         System.err.println("Graph Auto Mode "+GraphAutoMode+" no-AA dpi threshold");
 
-        GLProfile glp = GLProfile.getGL2ES2();
+        final GLProfile glp;
+        if(forceGLDef) {
+            glp = GLProfile.getDefault();
+        } else if(forceGL3) {
+            glp = GLProfile.get(GLProfile.GL3);
+        } else if(forceES3) {
+            glp = GLProfile.get(GLProfile.GLES3);
+        } else if(forceES2) {
+            glp = GLProfile.get(GLProfile.GLES2);
+        } else {
+            glp = GLProfile.getGL2ES2();
+        }
+        System.err.println("GLProfile: "+glp);
         GLCapabilities caps = new GLCapabilities(glp);
         caps.setAlphaBits(4);
         if( SceneMSAASamples > 0 ) {
@@ -89,6 +127,8 @@ public class GPUUISceneNewtDemo {
         window.setPosition(x, y);
         window.setSize(width, height);
         window.setTitle("GraphUI Newt Demo: graph["+Region.getRenderModeString(rmode)+"], msaa "+SceneMSAASamples);
+        window.setSurfaceScale(reqSurfacePixelScale);
+        final int[] valReqSurfacePixelScale = window.getRequestedSurfaceScale(new int[2]);
 
         GPUUISceneGLListener0A sceneGLListener = 0 < GraphAutoMode ? new GPUUISceneGLListener0A(GraphAutoMode, DEBUG, TRACE) :
                                                                      new GPUUISceneGLListener0A(rmode, DEBUG, TRACE);
@@ -107,6 +147,10 @@ public class GPUUISceneNewtDemo {
         });
 
         window.setVisible(true);
+        final int[] hasSurfacePixelScale1 = window.getCurrentSurfaceScale(new int[2]);
+        System.err.println("HiDPI PixelScale: "+reqSurfacePixelScale[0]+"x"+reqSurfacePixelScale[1]+" (req) -> "+
+                           valReqSurfacePixelScale[0]+"x"+valReqSurfacePixelScale[1]+" (val) -> "+
+                           hasSurfacePixelScale1[0]+"x"+hasSurfacePixelScale1[1]+" (has)");
         animator.start();
     }
 }