Added CgGL.cgCreateProgramFromStream and updated JOGL Cg demos to use

it so they can be run with Java Web Start.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@74 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4

2 files changed, 27 insertions, 7 deletions

diff --git a/src/demos/cg/runtime_ogl/cgGL_vertex_example.java b/src/demos/cg/runtime_ogl/cgGL_vertex_example.java
index ec2cb9a..f1f41dd 100644
--- a/src/demos/cg/runtime_ogl/cgGL_vertex_example.java
+++ b/src/demos/cg/runtime_ogl/cgGL_vertex_example.java
@@ -31,11 +31,14 @@
  *
  */
 
+package demos.cg.runtime_ogl;
+
 import net.java.games.cg.*;
 import net.java.games.jogl.*;
 
 import java.awt.*;
 import java.awt.event.*;
+import java.io.*;
 
 /**
  * cgGL_vertex_example: simple demo of Nvidia CgGL API. Based upon C version
@@ -187,9 +190,14 @@ public class cgGL_vertex_example implements GLEventListener
     CheckCgError();
 
     /* Test adding source text to context */
-    Program = CgGL.cgCreateProgramFromFile(
-      Context, CgGL.CG_SOURCE, "cgGL_vertex_example.cg",
-      profile, null, null);
+    try {
+      Program = CgGL.cgCreateProgramFromStream(
+        Context, CgGL.CG_SOURCE,
+        getClass().getClassLoader().getResourceAsStream("demos/cg/runtime_ogl/cgGL_vertex_example.cg"),
+        profile, null, null);
+    } catch (IOException e) {
+      throw new RuntimeException("Error loading Cg vertex program", e);
+    }
     CheckCgError();
 
     System.err.println(
diff --git a/src/demos/cg/runtime_ogl_vertex_fragment/runtime_ogl_vertex_fragment.java b/src/demos/cg/runtime_ogl_vertex_fragment/runtime_ogl_vertex_fragment.java
index d0b7dc1..0c389e1 100644
--- a/src/demos/cg/runtime_ogl_vertex_fragment/runtime_ogl_vertex_fragment.java
+++ b/src/demos/cg/runtime_ogl_vertex_fragment/runtime_ogl_vertex_fragment.java
@@ -31,6 +31,8 @@
  *
  */
 
+package demos.cg.runtime_ogl_vertex_fragment;
+
 import net.java.games.cg.*;
 import net.java.games.jogl.*;
 import net.java.games.jogl.util.*;
@@ -235,8 +237,13 @@ public class runtime_ogl_vertex_fragment implements GLEventListener
 
     // Load and compile the vertex program from demo_vert.cg; hold on to the
     // handle to it that is returned.
-    vertexProgram = CgGL.cgCreateProgramFromFile(context, CgGL.CG_SOURCE, "demo_vert.cg",
-                                                 vertexProfile, null, null);
+    try {
+      vertexProgram = CgGL.cgCreateProgramFromStream(context, CgGL.CG_SOURCE,
+                                                     getClass().getClassLoader().getResourceAsStream("demos/cg/runtime_ogl_vertex_fragment/demo_vert.cg"),
+                                                     vertexProfile, null, null);
+    } catch (IOException e) {
+      throw new RuntimeException("Error loading Cg vertex program", e);
+    }
     if (!CgGL.cgIsProgramCompiled(vertexProgram))
       CgGL.cgCompileProgram(vertexProgram);
 
@@ -245,8 +252,13 @@ public class runtime_ogl_vertex_fragment implements GLEventListener
     CgGL.cgGLLoadProgram(vertexProgram);
 
     // And similarly set things up for the fragment program.
-    fragmentProgram = CgGL.cgCreateProgramFromFile(context, CgGL.CG_SOURCE, "demo_frag.cg",
-                                                   fragmentProfile, null, null);
+    try {
+      fragmentProgram = CgGL.cgCreateProgramFromStream(context, CgGL.CG_SOURCE,
+                                                       getClass().getClassLoader().getResourceAsStream("demos/cg/runtime_ogl_vertex_fragment/demo_frag.cg"),
+                                                       fragmentProfile, null, null);
+    } catch (IOException e) {
+      throw new RuntimeException("Error loading Cg fragment program", e);
+    }
     if (!CgGL.cgIsProgramCompiled(fragmentProgram)) {
       CgGL.cgCompileProgram(fragmentProgram);
     }