1 files changed, 74 insertions, 0 deletions
diff --git a/make/gl-impl-CustomJavaCode-gl2_es2.java b/make/gl-impl-CustomJavaCode-gl2_es2.java
new file mode 100644
index 000000000..dcc86eb20
--- /dev/null
+++ b/make/gl-impl-CustomJavaCode-gl2_es2.java
@@ -0,0 +1,74 @@
+
+
+  public void glShaderSource(int shader, java.lang.String[] source)
+  {
+    int count = (null!=source)?source.length:0;
+    if(count<=0) {
+        throw new GLException("Method \"glShaderSource\" called with invalid length of source: "+count);
+    }
+    int[] length = new int[count];
+    for(int i=0; i<count; i++) {
+        length[i]=source[i].length();
+    }
+    glShaderSource(shader, count, source, length, 0);
+  }
+
+  public void glShaderSource(IntBuffer shaders, java.lang.String[][] sources)
+  {
+    int sourceNum = (null!=sources)?sources.length:0;
+    int shaderNum = (null!=shaders)?shaders.limit():0;
+    if(shaderNum<=0 || sourceNum<=0 || shaderNum!=sourceNum) {
+        throw new GLException("Method \"glShaderSource\" called with invalid number of shaders and/or sources: shaders="+
+            shaderNum+", sources="+sourceNum);
+    }
+    for(int i=0; i<sourceNum; i++) {
+        glShaderSource(shaders.get(i), sources[i]);
+    }
+  }
+
+  public void glShaderBinary(IntBuffer shaders, int binFormat, java.nio.Buffer bin)
+  {
+    int shaderNum = shaders.limit();
+    if(shaderNum<=0) {
+        throw new GLException("Method \"glShaderBinary\" called with shaders number <= 0");
+    }
+    if(null==bin) {
+        throw new GLException("Method \"glShaderBinary\" without binary (null)");
+    }
+    int binLength = bin.limit();
+    if(0>=binLength) {
+        throw new GLException("Method \"glShaderBinary\" without binary (limit == 0)");
+    }
+    try {
+        glShaderBinary(shaderNum, shaders, binFormat, bin, binLength);
+    } catch (Exception e) { }
+  }
+
+  /**
+   * Wrapper for glShaderBinary and glShaderSource.
+   * Tries binary first, if not null, then the source code, if not null.
+   * The binary trial will fail in case no binary interface exist (GL2 profile),
+   * hence the fallback to the source code.
+   */
+  public void glShaderBinaryOrSource(IntBuffer shaders, 
+                                     int binFormat, java.nio.Buffer bin,
+                                     java.lang.String[][] sources)
+  {
+    int shaderNum = shaders.limit();
+    if(shaderNum<=0) {
+        throw new GLException("Method \"glShaderBinaryOrSource\" called with shaders number <= 0");
+    }
+    if(null!=bin) {
+        try {
+            glShaderBinary(shaders, binFormat, bin);
+            return; // done
+        } catch (Exception e) { }
+    }
+    if(null!=sources) {
+        glShaderSource(shaders, sources);
+        return; // done
+    }
+    throw new GLException("Method \"glShaderBinaryOrSource\" without binary nor source");
+  }
+
+