Merge branch 'master' of github.com:sgothel/jogl

1 files changed, 339 insertions, 0 deletions

diff --git a/make/config/jogl/gl-impl-CustomJavaCode-gl4.java b/make/config/jogl/gl-impl-CustomJavaCode-gl4.java
new file mode 100644
index 000000000..a2c70eeee
--- /dev/null
+++ b/make/config/jogl/gl-impl-CustomJavaCode-gl4.java
@@ -0,0 +1,339 @@
+// Tracks glBegin/glEnd calls to determine whether it is legal to
+// query Vertex Buffer Object state
+private boolean inBeginEndPair;
+
+/* FIXME: refactor dependence on Java 2D / JOGL bridge
+
+// Tracks creation and destruction of server-side OpenGL objects when
+// the Java2D/OpenGL pipeline is enabled and it is using frame buffer
+// objects (FBOs) to do its rendering
+private GLObjectTracker tracker;
+
+public void setObjectTracker(GLObjectTracker tracker) {
+  this.tracker = tracker;
+}
+
+*/
+
+public GL3Impl(GLProfile glp, GLContextImpl context) {
+  this._context = context; 
+  this.bufferSizeTracker  = context.getBufferSizeTracker();
+  this.bufferStateTracker = context.getBufferStateTracker();
+  this.glStateTracker     = context.getGLStateTracker();
+  this.glProfile = glp;
+}
+
+/**
+ * Provides platform-independent access to the wglAllocateMemoryNV /
+ * glXAllocateMemoryNV extension.
+ */
+public java.nio.ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3) {
+  return _context.glAllocateMemoryNV(arg0, arg1, arg2, arg3);
+}
+
+//
+// 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_RED:
+  case GL_GREEN:
+  case GL_BLUE:
+  case GL_ALPHA:
+  case GL_LUMINANCE:
+  case GL_DEPTH_COMPONENT:
+    elements = 1;
+    break;
+  case GL_LUMINANCE_ALPHA:
+    elements = 2;
+    break;
+  case GL_RGB:
+  case GL_BGR:
+    elements = 3;
+    break;
+  case GL_RGBA:
+  case GL_BGRA:
+    elements = 4;
+    break;
+  /* FIXME ?? 
+   case GL_HILO_NV:
+    elements = 2;
+    break; */
+  default:
+    return 0;
+  }
+  switch (type) {
+  case GL_BYTE:
+  case GL_UNSIGNED_BYTE:
+    esize = 1;
+    break;
+  case GL_UNSIGNED_BYTE_3_3_2:
+  case GL_UNSIGNED_BYTE_2_3_3_REV:
+    esize = 1;
+    elements = 1;
+    break;
+  case GL_SHORT:
+  case GL_UNSIGNED_SHORT:
+    esize = 2;
+    break;
+  case GL_UNSIGNED_SHORT_5_6_5:
+  case GL_UNSIGNED_SHORT_5_6_5_REV:
+  case GL_UNSIGNED_SHORT_4_4_4_4:
+  case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+  case GL_UNSIGNED_SHORT_5_5_5_1:
+  case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+    esize = 2;
+    elements = 1;
+    break;
+  case GL_INT:
+  case GL_UNSIGNED_INT:
+  case GL_FLOAT:
+    esize = 4;
+    break;
+  case GL_UNSIGNED_INT_8_8_8_8:
+  case GL_UNSIGNED_INT_8_8_8_8_REV:
+  case GL_UNSIGNED_INT_10_10_10_2:
+  case GL_UNSIGNED_INT_2_10_10_10_REV:
+    esize = 4;
+    elements = 1;
+    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 haveARBPixelBufferObject;
+private boolean haveEXTPixelBufferObject;
+private boolean haveGL15;
+private boolean haveGL21;
+private boolean haveARBVertexBufferObject;
+
+private void initBufferObjectExtensionChecks() {
+  if (bufferObjectExtensionsInitialized)
+    return;
+  bufferObjectExtensionsInitialized = true;
+  haveARBPixelBufferObject  = isExtensionAvailable("GL_ARB_pixel_buffer_object");
+  haveEXTPixelBufferObject  = isExtensionAvailable("GL_EXT_pixel_buffer_object");
+  haveGL15                  = isExtensionAvailable("GL_VERSION_1_5");
+  haveGL21                  = isExtensionAvailable("GL_VERSION_2_1");
+  haveARBVertexBufferObject = isExtensionAvailable("GL_ARB_vertex_buffer_object");
+}
+
+private boolean checkBufferObject(boolean extension1,
+                                  boolean extension2,
+                                  boolean extension3,
+                                  boolean enabled,
+                                  int state,
+                                  String kind, boolean throwException) {
+  if (inBeginEndPair) {
+    throw new GLException("May not call this between glBegin and glEnd");
+  }
+  boolean avail = (extension1 || extension2 || extension3);
+  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(haveGL15,
+                    haveARBVertexBufferObject,
+                    false,
+                    false,
+                    GL.GL_ARRAY_BUFFER,
+                    "array vertex_buffer_object", throwException);
+}
+
+private boolean checkArrayVBOEnabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveGL15,
+                    haveARBVertexBufferObject,
+                    false,
+                    true,
+                    GL.GL_ARRAY_BUFFER,
+                    "array vertex_buffer_object", throwException);
+}
+
+private boolean checkElementVBODisabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveGL15,
+                    haveARBVertexBufferObject,
+                    false,
+                    false,
+                    GL.GL_ELEMENT_ARRAY_BUFFER,
+                    "element vertex_buffer_object", throwException);
+}
+
+private boolean checkElementVBOEnabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveGL15,
+                    haveARBVertexBufferObject,
+                    false,
+                    true,
+                    GL.GL_ELEMENT_ARRAY_BUFFER,
+                    "element vertex_buffer_object", throwException);
+}
+
+private boolean checkUnpackPBODisabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveARBPixelBufferObject,
+                    haveEXTPixelBufferObject,
+                    haveGL21,
+                    false,
+                    GL2.GL_PIXEL_UNPACK_BUFFER,
+                    "unpack pixel_buffer_object", throwException);
+}
+
+private boolean checkUnpackPBOEnabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveARBPixelBufferObject,
+                    haveEXTPixelBufferObject,
+                    haveGL21,
+                    true,
+                    GL2.GL_PIXEL_UNPACK_BUFFER,
+                    "unpack pixel_buffer_object", throwException);
+}
+
+private boolean checkPackPBODisabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveARBPixelBufferObject,
+                    haveEXTPixelBufferObject,
+                    haveGL21,
+                    false,
+                    GL2.GL_PIXEL_PACK_BUFFER,
+                    "pack pixel_buffer_object", throwException);
+}
+
+private boolean checkPackPBOEnabled(boolean throwException) { 
+  initBufferObjectExtensionChecks();
+  return checkBufferObject(haveARBPixelBufferObject,
+                    haveEXTPixelBufferObject,
+                    haveGL21,
+                    true,
+                    GL2.GL_PIXEL_PACK_BUFFER,
+                    "pack pixel_buffer_object", throwException);
+}
+
+public boolean glIsPBOPackEnabled() {
+    return checkPackPBOEnabled(false);
+}
+
+public boolean glIsPBOUnpackEnabled() {
+    return checkUnpackPBOEnabled(false);
+}
+
+// Attempt to return the same ByteBuffer object from glMapBuffer if
+// the vertex buffer object's base address and size haven't changed
+private static class ARBVBOKey {
+  private long addr;
+  private int  capacity;
+
+  ARBVBOKey(long addr, int capacity) {
+    this.addr = addr;
+    this.capacity = capacity;
+  }
+
+  public int hashCode() {
+    return (int) addr;
+  }
+
+  public boolean equals(Object o) {
+    if ((o == null) || (!(o instanceof ARBVBOKey))) {
+      return false;
+    }
+
+    ARBVBOKey other = (ARBVBOKey) o;
+    return ((addr == other.addr) && (capacity == other.capacity));
+  }
+}
+
+private Map/*<ARBVBOKey, ByteBuffer>*/ arbVBOCache = 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_ = ((GL3ProcAddressTable)_context.getGLProcAddressTable())._addressof_glMapBuffer;
+  if (__addr_ == 0) {
+    throw new GLException("Method \"glMapBuffer\" not available");
+  }
+  int sz = bufferSizeTracker.getBufferSize(bufferStateTracker,
+                                           target,
+                                           this);
+  long addr;
+  addr = dispatch_glMapBuffer(target, access, __addr_);
+  if (addr == 0 || sz == 0) {
+    return null;
+  }
+  ARBVBOKey key = new ARBVBOKey(addr, sz);
+  ByteBuffer _res = (ByteBuffer) arbVBOCache.get(key);
+  if (_res == null) {
+    _res = newDirectByteBuffer(addr, sz);
+    InternalBufferUtil.nativeOrder(_res);
+    arbVBOCache.put(key, _res);
+  }
+  _res.position(0);
+  return _res;
+}
+
+/** 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, int capacity);
+
+  /** Dummy implementation for the ES 2.0 function: <br> <code> void {@native glShaderBinary}(GLint n, const GLuint *  shaders, GLenum binaryformat, const void *  binary, GLint length); </code>  <br> Always throws a GLException!  */
+  public void glShaderBinary(int n, java.nio.IntBuffer shaders, int binaryformat, java.nio.Buffer binary, int length) {
+    throw new GLException("Method \"glShaderBinary\" not available");
+  }
+
+  /** Dummy implementation for the ES 2.0 function: <br> <code> void {@native glShaderBinary}(GLint n, const GLuint *  shaders, GLenum binaryformat, const void *  binary, GLint length); </code>  <br> Always throws a GLException!  */
+  public void glShaderBinary(int n, int[] shaders, int shaders_offset, int binaryformat, java.nio.Buffer binary, int length) {
+    throw new GLException("Method \"glShaderBinary\" not available");
+  }
+
+  public void glReleaseShaderCompiler() {
+    // nothing to do 
+  }
+