From d1ad9b0279a450d52287e2c34c012aacbbc2566b Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Thu, 3 May 2012 15:13:34 -0700
Subject: j3dcore: remove the ability to set the shading language to CG, assume
 GLSL

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
---
 .../share/javax/media/j3d/MasterControl.java       | 40 ++--------------------
 .../share/javax/media/j3d/NoopPipeline.java        | 18 ----------
 src/classes/share/javax/media/j3d/Pipeline.java    | 15 --------
 3 files changed, 2 insertions(+), 71 deletions(-)

(limited to 'src/classes/share/javax')

diff --git a/src/classes/share/javax/media/j3d/MasterControl.java b/src/classes/share/javax/media/j3d/MasterControl.java
index c5f128c..3cd1841 100644
--- a/src/classes/share/javax/media/j3d/MasterControl.java
+++ b/src/classes/share/javax/media/j3d/MasterControl.java
@@ -382,11 +382,6 @@ class MasterControl {
     // to control this.
     boolean stencilClear = false;
 
-    // The global shading language being used. Using a ShaderProgram
-    // with a shading language other than the one specified by
-    // globalShadingLanguage will cause a ShaderError to be generated,
-    static int globalShadingLanguage = Shader.SHADING_LANGUAGE_GLSL;
-
     // Flags indicating whether the Cg or GLSL libraries are available; we still need
     // to check for the actual extension support when the Canvas3D with its associated context
     // is created. Note that these are qualifed by the above globalShadingLanguage, so at
@@ -931,39 +926,8 @@ class MasterControl {
         }
 
         // Construct the singleton Pipeline instance
-        Pipeline.createPipeline(pipelineType);
-
-        // Get the global j3d.shadingLanguage system property
-        final String slStr = getProperty("j3d.shadingLanguage");
-        if (slStr != null) {
-            boolean found = false;
-            if (slStr.equals("GLSL")) {
-                globalShadingLanguage = Shader.SHADING_LANGUAGE_GLSL;
-                found = true;
-            } else if (slStr.equals("Cg")) {
-                globalShadingLanguage = Shader.SHADING_LANGUAGE_CG;
-                found = true;
-            }
-
-            if (found) {
-                System.err.println("Java 3D: Setting global shading language to " + slStr);
-            } else {
-                System.err.println("Java 3D: Unrecognized shading language: " + slStr);
-            }
-        }
-
-        // Load all required libraries
-        Pipeline.getPipeline().loadLibraries(globalShadingLanguage);
-
-        // Check whether the Cg library is available
-        if (globalShadingLanguage == Shader.SHADING_LANGUAGE_CG) {
-            cgLibraryAvailable = Pipeline.getPipeline().isCgLibraryAvailable();
-        }
-
-        // Check whether the GLSL library is available
-        if (globalShadingLanguage == Shader.SHADING_LANGUAGE_GLSL) {
-            glslLibraryAvailable = Pipeline.getPipeline().isGLSLLibraryAvailable();
-        }
+		Pipeline.createPipeline(pipelineType);
+		glslLibraryAvailable = Pipeline.getPipeline().isGLSLLibraryAvailable();
 
         assert !(glslLibraryAvailable && cgLibraryAvailable) :
             "ERROR: cannot support both GLSL and CG at the same time";
diff --git a/src/classes/share/javax/media/j3d/NoopPipeline.java b/src/classes/share/javax/media/j3d/NoopPipeline.java
index 5a7deaa..8c68119 100644
--- a/src/classes/share/javax/media/j3d/NoopPipeline.java
+++ b/src/classes/share/javax/media/j3d/NoopPipeline.java
@@ -40,10 +40,6 @@ import java.awt.GraphicsEnvironment;
  * pipeline.
  */
 class NoopPipeline extends Pipeline {
-
-    // Flags indicating whether the Cg or GLSL libraries are available.
-    private boolean cgLibraryAvailable = false;
-
     /**
      * Constructor for singleton NoopPipeline instance
      */
@@ -59,20 +55,6 @@ class NoopPipeline extends Pipeline {
         assert pipelineType == Pipeline.Type.NOOP;
     }
 
-    /**
-     * Load all of the required libraries
-     */
-    void loadLibraries(int globalShadingLanguage) {
-    }
-
-    /**
-     * Returns true if the Cg library is loaded and available. Note that this
-     * does not necessarily mean that Cg is supported by the graphics card.
-     */
-    boolean isCgLibraryAvailable() {
-        return cgLibraryAvailable;
-    }
-
     /**
      * Returns true if the GLSL library is loaded and available. Note that this
      * does not necessarily mean that GLSL is supported by the graphics card.
diff --git a/src/classes/share/javax/media/j3d/Pipeline.java b/src/classes/share/javax/media/j3d/Pipeline.java
index 264d616..a6b7ba0 100644
--- a/src/classes/share/javax/media/j3d/Pipeline.java
+++ b/src/classes/share/javax/media/j3d/Pipeline.java
@@ -157,21 +157,6 @@ public Pipeline run() {
 
     // ---------------------------------------------------------------------
 
-    //
-    // Methods to initialize and load required libraries (from MasterControl)
-    //
-
-    /**
-     * Load all of the required libraries
-     */
-    abstract void loadLibraries(int globalShadingLanguage);
-
-    /**
-     * Returns true if the Cg library is loaded and available. Note that this
-     * does not necessarily mean that Cg is supported by the graphics card.
-     */
-    abstract boolean isCgLibraryAvailable();
-
     /**
      * Returns true if the GLSL library is loaded and available. Note that this
      * does not necessarily mean that GLSL is supported by the graphics card.
-- 
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