1 files changed, 312 insertions, 0 deletions
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-gles2.java b/make/config/jogl/gl-impl-CustomJavaCode-gles2.java
new file mode 100644
index 000000000..e096d2185
--- /dev/null
+++ b/make/config/jogl/gl-impl-CustomJavaCode-gles2.java
@@ -0,0 +1,312 @@
+// Tracks glBegin/glEnd calls to determine whether it is legal to
+// query Vertex Buffer Object state
+private boolean inBeginEndPair;
+
+public GLES2Impl(GLProfile glp, GLContextImpl context) {
+  this._context = context; 
+  this.bufferSizeTracker  = context.getBufferSizeTracker();
+  this.bufferStateTracker = context.getBufferStateTracker();
+  this.glStateTracker     = context.getGLStateTracker();
+  this.glProfile = glp;
+}
+
+public final boolean isGL4bc() {
+    return false;
+}
+
+public final boolean isGL4() {
+    return false;
+}
+
+public final boolean isGL3bc() {
+    return false;
+}
+
+public final boolean isGL3() {
+    return false;
+}
+
+public final boolean isGL2() {
+    return false;
+}
+
+public final boolean isGLES1() {
+    return false;
+}
+
+public final boolean isGLES2() {
+    return true;
+}
+
+public final boolean isGLES() {
+    return true;
+}
+
+public final boolean isGL2ES1() {
+    return false;
+}
+
+public final boolean isGL2ES2() {
+    return true;
+}
+
+public final boolean isGL2GL3() {
+    return false;
+}
+
+public final boolean hasGLSL() {
+    return true;
+}
+
+public final GL4bc getGL4bc() throws GLException {
+    throw new GLException("Not a GL4bc implementation");
+}
+
+public final GL4 getGL4() throws GLException {
+    throw new GLException("Not a GL4 implementation");
+}
+
+public final GL3bc getGL3bc() throws GLException {
+    throw new GLException("Not a GL3bc implementation");
+}
+
+public final GL3 getGL3() throws GLException {
+    throw new GLException("Not a GL3 implementation");
+}
+
+public final GL2 getGL2() throws GLException {
+    throw new GLException("Not a GL2 implementation");
+}
+
+public final GLES1 getGLES1() throws GLException {
+    throw new GLException("Not a GLES1 implementation");
+}
+
+public final GLES2 getGLES2() throws GLException {
+    return this;
+}
+
+public final GL2ES1 getGL2ES1() throws GLException {
+    throw new GLException("Not a GL2ES1 implementation");
+}
+
+public final GL2ES2 getGL2ES2() throws GLException {
+    return this;
+}
+
+public final GL2GL3 getGL2GL3() throws GLException {
+    throw new GLException("Not a GL2GL3 implementation");
+}
+
+//
+// Helpers for ensuring the correct amount of texture data
+//
+
+/** Returns the number of bytes required to fill in the appropriate
+    texture. This is computed as closely as possible based on the
+    pixel pack or unpack parameters. The logic in this routine is
+    based on code in the SGI OpenGL sample implementation. */
+
+private int imageSizeInBytes(int format, int type, int w, int h, int d,
+                             boolean pack) {
+  int elements = 0;
+  int esize = 0;
+  
+  if (w < 0) return 0;
+  if (h < 0) return 0;
+  if (d < 0) return 0;
+  switch (format) {
+  case GL_STENCIL_INDEX:
+    elements = 1;
+    break;
+  case GL_ALPHA:
+  case GL_LUMINANCE:
+  case GL_DEPTH_COMPONENT:
+    elements = 1;
+    break;
+  case GL_LUMINANCE_ALPHA:
+    elements = 2;
+    break;
+  case GL_RGB:
+    elements = 3;
+    break;
+  case GL_RGBA:
+    elements = 4;
+    break;
+  default:
+    return 0;
+  }
+  switch (type) {
+  case GL_BYTE:
+  case GL_UNSIGNED_BYTE:
+    esize = 1;
+    break;
+  case GL_SHORT:
+  case GL_UNSIGNED_SHORT:
+    esize = 2;
+    break;
+  case GL_UNSIGNED_SHORT_5_6_5:
+  case GL_UNSIGNED_SHORT_4_4_4_4:
+  case GL_UNSIGNED_SHORT_5_5_5_1:
+    esize = 2;
+    elements = 1;
+    break;
+  case GL_INT:
+  case GL_UNSIGNED_INT:
+  case GL_FLOAT:
+    esize = 4;
+    break;
+  default:
+    return 0;
+  }
+  return imageSizeInBytes(elements * esize, w, h, d, pack);
+}
+
+private GLBufferSizeTracker  bufferSizeTracker;
+private GLBufferStateTracker bufferStateTracker;
+private GLStateTracker       glStateTracker;
+
+private boolean bufferObjectExtensionsInitialized = false;
+private boolean haveOESFramebufferObject;
+
+private void initBufferObjectExtensionChecks() {
+  if (bufferObjectExtensionsInitialized)
+    return;
+  bufferObjectExtensionsInitialized = true;
+  haveOESFramebufferObject  = isExtensionAvailable("GL_OES_framebuffer_object");
+}
+
+private boolean checkBufferObject(boolean avail,
+                                  boolean enabled,
+                                  int state,
+                                  String kind, boolean throwException) {
+  if (!avail) {
+    if (!enabled)
+      return true;
+    if(throwException) {
+        throw new GLException("Required extensions not available to call this function");
+    }
+    return false;
+  }
+  int buffer = bufferStateTracker.getBoundBufferObject(state, this);
+  if (enabled) {
+    if (buffer == 0) {
+      if(throwException) {
+          throw new GLException(kind + " must be enabled to call this method");
+      }
+      return false;
+    }
+  } else {
+    if (buffer != 0) {
+      if(throwException) {
+          throw new GLException(kind + " must be disabled to call this method");
+      }
+      return false;
+    }
+  }
+  return true;
+}  
+
+private boolean checkArrayVBODisabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(true,
+                    false,
+                    GL.GL_ARRAY_BUFFER,
+                    "array vertex_buffer_object", throwException);
+}
+
+private boolean checkArrayVBOEnabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(true,
+                    true,
+                    GL.GL_ARRAY_BUFFER,
+                    "array vertex_buffer_object", throwException);
+}
+
+private boolean checkElementVBODisabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(true,
+                    false,
+                    GL.GL_ELEMENT_ARRAY_BUFFER,
+                    "element vertex_buffer_object", throwException);
+}
+
+private boolean checkElementVBOEnabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(true,
+                    true,
+                    GL.GL_ELEMENT_ARRAY_BUFFER,
+                    "element vertex_buffer_object", throwException);
+}
+
+private boolean checkUnpackPBODisabled(boolean throwException) { 
+    // PBO n/a for ES 1.1 or ES 2.0
+    return true;
+}
+
+private boolean checkUnpackPBOEnabled(boolean throwException) { 
+    // PBO n/a for ES 1.1 or ES 2.0
+    return false;
+}
+
+private boolean checkPackPBODisabled(boolean throwException) { 
+    // PBO n/a for ES 1.1 or ES 2.0
+    return true;
+}
+
+private boolean checkPackPBOEnabled(boolean throwException) { 
+    // PBO n/a for ES 1.1 or ES 2.0
+    return false;
+}
+
+private HashMap/*<MemoryObject>*/ arbMemCache = new HashMap();
+
+/** Entry point to C language function: <br> <code> LPVOID glMapBuffer(GLenum target, GLenum access); </code>    */
+public java.nio.ByteBuffer glMapBuffer(int target, int access) {
+  final long __addr_ = ((GLES2ProcAddressTable)_context.getGLProcAddressTable())._addressof_glMapBuffer;
+  if (__addr_ == 0) {
+    throw new GLException("Method \"glMapBuffer\" not available");
+  }
+  final long sz = bufferSizeTracker.getBufferSize(bufferStateTracker, target, this);
+  if (0 == sz) {
+    return null;
+  }
+  final long addr = dispatch_glMapBuffer(target, access, __addr_);
+  if (0 == addr) {
+    return null;
+  }
+  ByteBuffer buffer;
+  MemoryObject memObj0 = new MemoryObject(addr, sz); // object and key
+  MemoryObject memObj1 = MemoryObject.getOrAddSafe(arbMemCache, memObj0);
+  if(memObj0 == memObj1) {
+    // just added ..
+    if(null != memObj0.getBuffer()) {
+        throw new InternalError();
+    }
+    buffer = newDirectByteBuffer(addr, sz);
+    Buffers.nativeOrder(buffer);
+    memObj0.setBuffer(buffer);
+  } else {
+    // already mapped
+    buffer = memObj1.getBuffer();
+    if(null == buffer) {
+        throw new InternalError();
+    }
+  }
+  buffer.position(0);
+  return buffer;
+}
+
+/** Encapsulates function pointer for OpenGL function <br>: <code> LPVOID glMapBuffer(GLenum target, GLenum access); </code>    */
+native private long dispatch_glMapBuffer(int target, int access, long glProcAddress);
+
+native private ByteBuffer newDirectByteBuffer(long addr, long capacity);
+
+public void glClearDepth(double depth) {
+    glClearDepthf((float)depth); 
+}
+
+public void glDepthRange(double zNear, double zFar) {
+    glDepthRangef((float)zNear, (float)zFar); 
+}
+