FixedFuncPipeline: Use proper shader version and make GLSL code compatible w/ higher GLSL versions

7 files changed, 57 insertions, 26 deletions

diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncPipeline.java b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncPipeline.java
index 716787b02..cc58f2363 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncPipeline.java
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncPipeline.java
@@ -937,30 +937,19 @@ public class FixedFuncPipeline {
         return toString(null, DEBUG).toString();
     }
 
-    // Shall we use: #ifdef GL_FRAGMENT_PRECISION_HIGH .. #endif for using highp in fragment shader if avail ? 
-    static final String es2_prelude_vp = "#version 100\n\nprecision highp float;\nprecision highp int;\n";
-    static final String es2_prelude_fp = "#version 100\n\nprecision mediump float;\nprecision mediump int;\n/*precision lowp sampler2D;*/\n";
-    static final String gl2_prelude = "#version 120\n"; // GL 2.1 (Nvidia driver claims it's required to use gl_Points, OSX claim's it for gl_PointCoord -> driver bug - both were introduced w/ 1.10)
-    
     private static final String constMaxTextures0 = "#define MAX_TEXTURE_UNITS 0\n";
     private static final String constMaxTextures2 = "#define MAX_TEXTURE_UNITS 2\n";
     private static final String constMaxTextures4 = "#define MAX_TEXTURE_UNITS 4\n";
     private static final String constMaxTextures8 = "#define MAX_TEXTURE_UNITS 8\n";
     
-    private void customizeShader(GL2ES2 gl, ShaderCode vp, ShaderCode fp, String maxTextureDefine) {
-        int rsVpPos, rsFpPos;
-        if(gl.isGLES2()) {
-            rsVpPos = vp.insertShaderSource(0, 0, es2_prelude_vp);
-            rsFpPos = fp.insertShaderSource(0, 0, es2_prelude_fp);
-        } else {
-            rsVpPos = vp.insertShaderSource(0, 0, gl2_prelude);
-            rsFpPos = fp.insertShaderSource(0, 0, gl2_prelude);
-        }
+    private final void customizeShader(GL2ES2 gl, ShaderCode vp, ShaderCode fp, String maxTextureDefine) {
+        int rsVpPos = vp.defaultShaderCustomization(gl, true, ShaderCode.es2_default_precision_vp);
+        int rsFpPos = fp.defaultShaderCustomization(gl, true, ShaderCode.es2_default_precision_fp);        
         vp.insertShaderSource(0, rsVpPos, maxTextureDefine);
         fp.insertShaderSource(0, rsFpPos, maxTextureDefine); 
     }
 
-    private void loadShaderPoints(GL2ES2 gl) {
+    private final void loadShaderPoints(GL2ES2 gl) {
         if( null != shaderProgramPoints ) {
             return;
         }
@@ -978,7 +967,7 @@ public class FixedFuncPipeline {
         }        
     }
     
-    private void loadShader(GL2ES2 gl, ShaderSelectionMode mode) {
+    private final void loadShader(GL2ES2 gl, ShaderSelectionMode mode) {
         final boolean loadColor = ShaderSelectionMode.COLOR == mode;
         final boolean loadColorTexture2 = ShaderSelectionMode.COLOR_TEXTURE2 == mode;
         final boolean loadColorTexture4 = ShaderSelectionMode.COLOR_TEXTURE4 == mode;
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.fp b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.fp
index 0ed10b345..22dd1e61a 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.fp
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.fp
@@ -1,3 +1,11 @@
+
+#if __VERSION__ >= 130
+  #define varying in
+  out vec4 mgl_FragColor;
+#else
+  #define mgl_FragColor gl_FragColor   
+#endif
+
 #include es_precision.glsl
 
 #include mgl_uniform.glsl
@@ -19,6 +27,6 @@ void main (void)
   if( mgl_AlphaTestFunc > 0 ) {
       alphaTest(color);
   }
-  gl_FragColor = color;
+  mgl_FragColor = color;
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.vp b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.vp
index 346e40196..f39fcfbd0 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.vp
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.vp
@@ -1,3 +1,9 @@
+
+#if __VERSION__ >= 130
+  #define attribute in
+  #define varying out
+#endif
+
 #include es_precision.glsl
 
 #include mgl_const.glsl
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorLight.vp b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorLight.vp
index 0b5519355..942a540af 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorLight.vp
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorLight.vp
@@ -1,3 +1,9 @@
+
+#if __VERSION__ >= 130
+  #define attribute in
+  #define varying out
+#endif
+
 #include es_precision.glsl
 #include mgl_lightdef.glsl
 
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorTexture.fp b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorTexture.fp
index 9a7e5217b..82dfa24e1 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorTexture.fp
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncColorTexture.fp
@@ -1,4 +1,12 @@
 
+#if __VERSION__ >= 130
+  #define varying in
+  out vec4 mgl_FragColor;
+#else
+  #define mgl_FragColor gl_FragColor   
+#endif
+
+
 #include es_precision.glsl
 #include mgl_lightdef.glsl
 
@@ -95,14 +103,14 @@ void main (void)
       }
   // } /* CullFace */
 
-  gl_FragColor = color;
+  mgl_FragColor = color;
   /**
   // simple alpha check
   if (color.a != 0.0) {
-      gl_FragColor = vec4(pow(color.rgb, igammav), color.a);
+      mgl_FragColor = vec4(pow(color.rgb, igammav), color.a);
   } else {
       // discard; // freezes NV tegra2 compiler
-      gl_FragColor = color;
+      mgl_FragColor = color;
   } */
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.fp b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.fp
index 6185e96ef..2d58f2320 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.fp
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.fp
@@ -1,4 +1,12 @@
 
+#if __VERSION__ >= 130
+  #define varying in
+  out vec4 mgl_FragColor;
+#else
+  #define mgl_FragColor gl_FragColor   
+#endif
+
+
 #include es_precision.glsl
 #include mgl_lightdef.glsl
 
@@ -10,7 +18,7 @@
 
 void main (void)
 { 
-  gl_FragColor = frontColor;
+  mgl_FragColor = frontColor;
 
   if( pointSmooth > 0.5 ) {
       // smooth (AA)
@@ -27,12 +35,12 @@ void main (void)
       #endif
 
       #ifndef TEST
-          gl_FragColor.a *= r1;
+          mgl_FragColor.a *= r1;
       #else
-          gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
-          gl_FragColor.r = r1 < 0.0 ? 1.0 : 0.0;
-          gl_FragColor.g = r > 1.0 ? 1.0 : 0.0;
-          gl_FragColor.b = r > border ? 1.0 : 0.0;
+          mgl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
+          mgl_FragColor.r = r1 < 0.0 ? 1.0 : 0.0;
+          mgl_FragColor.g = r > 1.0 ? 1.0 : 0.0;
+          mgl_FragColor.b = r > border ? 1.0 : 0.0;
       #endif
   }
 }
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.vp b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.vp
index 64732dc9e..4a5d93a3d 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.vp
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/FixedFuncPoints.vp
@@ -1,3 +1,9 @@
+
+#if __VERSION__ >= 130
+  #define attribute in
+  #define varying out
+#endif
+
 #include es_precision.glsl
 
 #include mgl_const.glsl