From 1aea29bb5d253600213024fd2c12a91bf3599202 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Thu, 18 Oct 2012 16:50:40 +0200
Subject: FixedFuncPipeline: Don't handle CullFace, ES2 impl. already takes
 care of discarding pixels of culled faces.

---
 .../jogamp/opengl/util/glsl/fixedfunc/FixedFuncHook.java  |  4 +++-
 .../opengl/util/glsl/fixedfunc/FixedFuncPipeline.java     | 15 ++++++++++-----
 .../opengl/util/glsl/fixedfunc/shaders/FixedFuncColor.fp  |  3 ++-
 .../util/glsl/fixedfunc/shaders/FixedFuncColorTexture.fp  |  7 ++++---
 .../opengl/util/glsl/fixedfunc/shaders/mgl_uniform.glsl   |  2 +-
 5 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncHook.java b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncHook.java
index ee2a08d1f..fad81226d 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncHook.java
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncHook.java
@@ -341,10 +341,12 @@ public class FixedFuncHook implements GLLightingFunc, GLMatrixFunc, GLPointerFun
     public  void glAlphaFunc(int func, float ref) {
         fixedFunction.glAlphaFunc(func, ref);
     }
+    
+    /** ES2 supports CullFace implicit 
     public void glCullFace(int faceName) {
         fixedFunction.glCullFace(faceName);
         gl.glCullFace(faceName);
-    }
+    } */
     
     //
     // PointerIf
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 f92c02403..72d105a44 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncPipeline.java
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/FixedFuncPipeline.java
@@ -447,6 +447,7 @@ public class FixedFuncPipeline {
         }
     }
 
+    /** ES2 supports CullFace implicit
     public void glCullFace(int faceName) {
         int _cullFace;
         switch(faceName) {
@@ -471,7 +472,7 @@ public class FixedFuncPipeline {
                 cullFaceDirty=true;
             }
         }
-    }
+    } */
 
     public  void glAlphaFunc(int func, float ref) {
         int _func;
@@ -533,6 +534,7 @@ public class FixedFuncPipeline {
                 return true;
                 
             case GL.GL_CULL_FACE:
+                /** ES2 supports CullFace implicit 
                 final int _cullFace;
                 if(0>cullFace && enable || 0<cullFace && !enable) {
                     _cullFace = cullFace * -1;
@@ -542,7 +544,7 @@ public class FixedFuncPipeline {
                 if(_cullFace != cullFace) {
                     cullFaceDirty=true;
                     cullFace=_cullFace;
-                }
+                } */
                 return true;
                 
             case GL.GL_TEXTURE_2D:
@@ -660,6 +662,7 @@ public class FixedFuncPipeline {
             }
             colorVAEnabledDirty = false;
         }
+        /** ES2 supports CullFace implicit
         if(cullFaceDirty) {
             ud = shaderState.getUniform(mgl_CullFace);
             if(null!=ud) {
@@ -667,7 +670,7 @@ public class FixedFuncPipeline {
                 shaderState.uniform(gl, ud);
             }
             cullFaceDirty = false;
-        }
+        } */
 
         if(alphaTestDirty) {
             ud = shaderState.getUniform(mgl_AlphaTestFunc);
@@ -926,7 +929,8 @@ public class FixedFuncPipeline {
             shaderState.uniform(gl, new GLUniformData(mgl_Texture+i, i));
         }
         shaderState.uniform(gl, new GLUniformData(mgl_ShadeModel, 0));
-        shaderState.uniform(gl, new GLUniformData(mgl_CullFace, cullFace));
+        /** ES2 supports CullFace implicit
+        shaderState.uniform(gl, new GLUniformData(mgl_CullFace, cullFace)); */
         shaderState.uniform(gl, new GLUniformData(mgl_AlphaTestFunc, alphaTestFunc));
         shaderState.uniform(gl, new GLUniformData(mgl_AlphaTestRef, alphaTestRef));              
         for(int i=0; i<MAX_LIGHTS; i++) {
@@ -978,8 +982,10 @@ public class FixedFuncPipeline {
     private final IntBuffer textureFormat = Buffers.newDirectIntBuffer(new int[] { 0, 0, 0, 0, 0, 0, 0, 0 }); // per unit
     private boolean textureFormatDirty = false;
 
+    /** ES2 supports CullFace implicit
     private int cullFace=-2; // <=0 disabled, 1 GL_FRONT, 2 GL_BACK (default) and 3 GL_FRONT_AND_BACK
     private boolean cullFaceDirty = false;
+    private static final String mgl_CullFace         = "mgl_CullFace";        //  1i (lowp int) */
 
     private boolean colorVAEnabledDirty = false;
     private boolean lightingEnabled=false;
@@ -1010,7 +1016,6 @@ public class FixedFuncPipeline {
     private static final String mgl_FrontMaterial    = "mgl_FrontMaterial";   //  struct mgl_MaterialParameters
     private static final String mgl_LightsEnabled    = "mgl_LightsEnabled";   //  int mgl_LightsEnabled[MAX_LIGHTS];
 
-    private static final String mgl_CullFace         = "mgl_CullFace";        //  1i (lowp int)
     private static final String mgl_AlphaTestFunc    = "mgl_AlphaTestFunc";   //  1i (lowp int)
     private static final String mgl_AlphaTestRef     = "mgl_AlphaTestRef";    //  1f    
     private static final String mgl_ShadeModel       = "mgl_ShadeModel";      //  1i
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 bb0ca0123..0ed10b345 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
@@ -9,12 +9,13 @@ void main (void)
 {
   vec4 color = frontColor;
 
+  /** ES2 supports CullFace implicit ..
   if( mgl_CullFace > 0 &&
       ( ( MGL_FRONT          == mgl_CullFace &&  gl_FrontFacing ) ||
         ( MGL_BACK           == mgl_CullFace && !gl_FrontFacing ) ||
         ( MGL_FRONT_AND_BACK == mgl_CullFace ) ) ) {
       DISCARD(color);
-  }
+  } */
   if( mgl_AlphaTestFunc > 0 ) {
       alphaTest(color);
   }
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 1810891b3..9a7e5217b 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
@@ -53,12 +53,13 @@ void main (void)
 { 
   vec4 color = frontColor;
 
+  /** ES2 supports CullFace implicit ..
   if( mgl_CullFace > 0 &&
       ( ( MGL_FRONT          == mgl_CullFace &&  gl_FrontFacing ) ||
         ( MGL_BACK           == mgl_CullFace && !gl_FrontFacing ) ||
         ( MGL_FRONT_AND_BACK == mgl_CullFace ) ) ) {
       DISCARD(color);
-  } else {
+  } else { */
       #if MAX_TEXTURE_UNITS >= 2
       if( 0 != mgl_TextureEnabled[0] ) {
         calcTexColor(color, texture2D(mgl_Texture0, mgl_TexCoords[0].st), mgl_TexFormat[0], mgl_TexEnvMode[0]);
@@ -90,9 +91,9 @@ void main (void)
       }
       #endif
       if( mgl_AlphaTestFunc > 0 ) {
-          alphaTest(color);
+        alphaTest(color);
       }
-  }
+  // } /* CullFace */
 
   gl_FragColor = color;
   /**
diff --git a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/mgl_uniform.glsl b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/mgl_uniform.glsl
index b92037ef9..68245a62c 100644
--- a/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/mgl_uniform.glsl
+++ b/src/jogl/classes/jogamp/opengl/util/glsl/fixedfunc/shaders/mgl_uniform.glsl
@@ -11,6 +11,7 @@ uniform LOWP    int     mgl_ColorEnabled;
 uniform         vec4    mgl_ColorStatic;
 uniform LOWP    int     mgl_AlphaTestFunc;
 uniform         float   mgl_AlphaTestRef;
+// uniform LOWP int    mgl_CullFace; // ES2 supports CullFace implicit ..
 #if MAX_TEXTURE_UNITS > 0
 uniform LOWP    int     mgl_TextureEnabled[MAX_TEXTURE_UNITS];
 uniform LOWP    int     mgl_TexCoordEnabled[MAX_TEXTURE_UNITS];
@@ -31,6 +32,5 @@ uniform   sampler2D     mgl_Texture6;
 uniform   sampler2D     mgl_Texture7;
 #endif
 #endif
-uniform LOWP    int     mgl_CullFace;
 
 #endif // mgl_uniform_glsl
-- 
cgit v1.2.3