path: root/make/gl-common.cfg

# This .cfg file provides common options used among all glue code
# generated for Jogl on all platforms.
Include gl-common-extensions.cfg

# There are a few routines we don't handle yet
Ignore glGetBufferPointerivNV
Ignore glGetBufferPointerv

# Raise GLException instead of RuntimeException in glue code
RuntimeExceptionType GLException

# Imports needed by all glue code
Import java.nio.*
Import java.util.*
Import javax.media.opengl.*
Import com.sun.opengl.impl.*

#####################################################################
# Mostly desktop OpenGL stuff below
#
Ignore GL_INVALID_FRAMEBUFFER_OPERATION.*

# Don't output #defines of GL version identifier strings as constants, 
# because we don't need them java-side. 
Ignore GL_VERSION_.+

# Don't output #defines of GL name strings as constants, because we
# don't need them java-side. 
# Format of name strings is found at:
#    http://oss.sgi.com/projects/ogl-sample/registry/doc/template.txt

Ignore (GL|GLU|GLX|WGL|AGL|CGL)_EXT_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_ARB_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_PGI_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_SGI_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_SGIS_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_SGIX_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_MESA_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_HP_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_ATI_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_NV_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_IBM_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_WIN_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_REND_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_APPLE_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_INTEL_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_INGR_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_SUN_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_SUNX_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_3DFX_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_OML_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_I3D_.+
Ignore (GL|GLU|GLX|WGL|AGL|CGL)_S3_.+
Ignore GL_KTX_buffer_region

# Ignore GL functions that deal with explicit pointer values in such a
# way that we cannot implement the functionality in Java
Ignore glGetBufferPointerv
Ignore glGetPointerv
Ignore glGetPointervEXT
Ignore glGetTexParameterPointervAPPLE
Ignore glGetVertexAttribPointerv
Ignore glGetVertexAttribPointervNV
Ignore glTracePointerRangeMESA 

# Manually implement glMapBuffer as the size of the returned buffer
# can only be computed by calling another routine
ManuallyImplement glMapBuffer
ManuallyImplement glMapBufferOES

# Ignore the ATI_map_object_buffer extension for now unless someone
# claims they need it, as it will undoubtedly require a similar
# construct to glMapBuffer
Ignore glMapObjectBufferATI
Ignore glUnmapObjectBufferATI

# Ignore some GL functions that have outgoing void** parameters; we cannot yet deal with them
Ignore glGetVariantPointervEXT

# FIXME: these extensions require either a handle to a device context
# or take void** parameters or both. Until we think through the
# semantics of each of these individually we need to disable them.
# WGL_ARB_buffer_region
Ignore wglCreateBufferRegion
Ignore wglDeleteBufferRegion
Ignore wglSaveBufferRegion
Ignore wglRestoreBufferRegion
Ignore wglGetSyncValuesOML
Ignore wglGetMscRateOML
Ignore wglSwapBuffersMscOML
Ignore wglSwapLayerBuffersMscOML
Ignore wglWaitForMscOML
Ignore wglWaitForSbcOML
Ignore wglGetDigitalVideoParametersI3D
Ignore wglSetDigitalVideoParametersI3D
Ignore wglGetGammaTableParametersI3D
Ignore wglSetGammaTableParametersI3D
Ignore wglGetGammaTableI3D
Ignore wglSetGammaTableI3D
Ignore wglEnableGenlockI3D
Ignore wglDisableGenlockI3D
Ignore wglIsEnabledGenlockI3D
Ignore wglGenlockSourceI3D
Ignore wglGetGenlockSourceI3D
Ignore wglGenlockSourceEdgeI3D
Ignore wglGetGenlockSourceEdgeI3D
Ignore wglGenlockSampleRateI3D
Ignore wglGetGenlockSampleRateI3D
Ignore wglGenlockSourceDelayI3D
Ignore wglGetGenlockSourceDelayI3D
Ignore wglQueryGenlockMaxSourceDelayI3D
Ignore wglCreateImageBufferI3D
Ignore wglDestroyImageBufferI3D
Ignore wglAssociateImageBufferEventsI3D
Ignore wglReleaseImageBufferEventsI3D

#
# IgnoreExtension directives
#

# Ignore extensions requiring persistent pointer-to-pointer storage as
# there is no such thing as a direct "BufferBuffer"
IgnoreExtension GL_IBM_vertex_array_lists
IgnoreExtension GL_INTEL_parallel_arrays
IgnoreExtension GL_SUN_triangle_list

# Ignore extensions never approved by the ARB
IgnoreExtension GL_EXT_coordinate_frame

# Ignore discontinued extensions
IgnoreExtension GL_NV_element_array

# Ignore extensions subsumed in OpenGL 1.1 (from OpenGL 1.1 spec, Appendix C)
IgnoreExtension GL_EXT_vertex_array
IgnoreExtension GL_EXT_blend_logic_op
IgnoreExtension GL_EXT_copy_texture
IgnoreExtension GL_EXT_polygon_offset
IgnoreExtension GL_EXT_subtexture
IgnoreExtension GL_EXT_texture
IgnoreExtension GL_EXT_texture_object

# Ignore extensions subsumed in OpenGL 1.2 and 1.2.1 (from OpenGL 1.2.1 spec, Appendix D)
IgnoreExtension GL_EXT_bgra
IgnoreExtension GL_EXT_blend_color
IgnoreExtension GL_EXT_blend_minmax
IgnoreExtension GL_EXT_blend_subtract
IgnoreExtension GL_EXT_color_subtable
IgnoreExtension GL_EXT_convolution
IgnoreExtension GL_EXT_draw_range_elements
IgnoreExtension GL_EXT_histogram
IgnoreExtension GL_EXT_packed_pixels
# FIXME: is GL_EXT_paletted_texture also obsolete?
IgnoreExtension GL_EXT_rescale_normal
IgnoreExtension GL_EXT_separate_specular_color
IgnoreExtension GL_EXT_texture3D
IgnoreExtension GL_HP_convolution_border_modes
IgnoreExtension GL_SGI_color_matrix
IgnoreExtension GL_SGI_color_table
IgnoreExtension GL_SGIS_texture_edge_clamp
IgnoreExtension GL_SGIS_texture_lod

# Ignore extensions subsumed in OpenGL 1.3 (from OpenGL 1.3 spec, Appendix F)
IgnoreExtension GL_ARB_multisample
IgnoreExtension GL_ARB_multitexture
IgnoreExtension GL_ARB_texture_compression
IgnoreExtension GL_ARB_texture_cube_map
IgnoreExtension GL_ARB_texture_border_clamp
IgnoreExtension GL_ARB_texture_env_add
IgnoreExtension GL_ARB_texture_env_combine
IgnoreExtension GL_ARB_texture_env_dot3
IgnoreExtension GL_ARB_transpose_matrix
IgnoreExtension GL_EXT_texture_cube_map
IgnoreExtension GL_EXT_texture_env_add
IgnoreExtension GL_EXT_texture_env_combine
IgnoreExtension GL_EXT_texture_env_dot3
IgnoreExtension GL_SGIS_texture_border_clamp

#
# Opaques and other directives for platform-independent routines
#

Opaque boolean GLboolean
ReturnsString glGetString

#
# NIODirectOnly directives for vertex arrays and other core routines
#
NIODirectOnly glColorPointer
NIODirectOnly glEdgeFlagPointer
NIODirectOnly glFeedbackBuffer
NIODirectOnly glIndexPointer
NIODirectOnly glNormalPointer
NIODirectOnly glSelectBuffer
NIODirectOnly glTexCoordPointer
NIODirectOnly glVertexPointer
#
# FIXME: we should probably be ignoring the "EXT" variants of these
#
NIODirectOnly glColorPointerEXT
NIODirectOnly glEdgeFlagPointerEXT
NIODirectOnly glIndexPointerEXT
NIODirectOnly glNormalPointerEXT
NIODirectOnly glTexCoordPointerEXT
NIODirectOnly glVertexPointerEXT
#
# NIODirectOnly directives for other extensions
#
NIODirectOnly glBinormalPointerEXT
NIODirectOnly glGetBufferSubDataARB
# FIXME: should add way to restrict argument to be a direct ByteBuffer
NIODirectOnly glGetProgramStringARB
NIODirectOnly glElementPointerATI
NIODirectOnly glElementPointerNV
NIODirectOnly glElementPointerAPPLE
NIODirectOnly glFogCoordPointer
NIODirectOnly glFogCoordPointerEXT
NIODirectOnly glMatrixIndexPointerARB
NIODirectOnly glPixelDataRangeNV
NIODirectOnly glSecondaryColorPointer
NIODirectOnly glSecondaryColorPointerEXT
NIODirectOnly glTangentPointerEXT
NIODirectOnly glVertexArrayRangeNV
NIODirectOnly glVertexArrayRangeApple
NIODirectOnly glVertexAttribPointerARB
NIODirectOnly glVertexAttribPointerNV
NIODirectOnly glVertexWeightPointerEXT
NIODirectOnly glWeightPointerARB
NIODirectOnly wglFreeMemoryNV
NIODirectOnly glXFreeMemoryNV

# Capacity of wglAllocateMemoryNV/glXAllocateMemoryNV return value is
# same as value of first argument
ReturnValueCapacity wglAllocateMemoryNV {0}
ReturnValueCapacity glXAllocateMemoryNV {0}

# Pass arguments to ARB_vertex_program, ARB_fragment_program,
# ARB_shader_objects, NV_vertex_program, NV_fragment_program, and
# ARB_vertex_shader as Strings
ArgumentIsString glLoadProgramNV 3
ArgumentIsString glProgramStringARB 3
ArgumentIsString glProgramNamedParameter4fNV 2
ArgumentIsString glProgramNamedParameter4dNV 2
ArgumentIsString glProgramNamedParameter4fvNV 2
ArgumentIsString glProgramNamedParameter4dvNV 2
ArgumentIsString glGetProgramNamedParameterfvNV 2
ArgumentIsString glGetProgramNamedParameterdvNV 2
ArgumentIsString glShaderSource 2
ArgumentIsString glShaderSourceARB 2
ArgumentIsString glGetUniformLocation 1
ArgumentIsString glGetUniformLocationARB 1
ArgumentIsString glBindAttribLocation 2
ArgumentIsString glBindAttribLocationARB 2
ArgumentIsString glGetAttribLocation 1
ArgumentIsString glGetAttribLocationARB 1

#
# Directives for Vertex Buffer Object and Pixel Buffer Object checking
#
# NOTE: we currently don't emit glue code for some of these but
# include them for completeness.
#
# FIXME: what about glMultiDrawElements? Do we want to add a VBO
# variant for that, or simply add checks to the top of the current
# implementation?
# 
JavaPrologue glBegin inBeginEndPair = true;
JavaEpilogue glEnd   inBeginEndPair = false;
JavaEpilogue glBindBuffer       bufferStateTracker.setBoundBufferObject({0}, {1});
JavaEpilogue glBindBufferARB    bufferStateTracker.setBoundBufferObject({0}, {1});
JavaEpilogue glPushClientAttrib bufferStateTracker.clearBufferObjectState();
JavaEpilogue glPopClientAttrib  bufferStateTracker.clearBufferObjectState();

BufferObjectKind Array glColorPointer
BufferObjectKind Array glEdgeFlagPointer
BufferObjectKind Array glElementPointerATI
BufferObjectKind Array glFogCoordPointer
BufferObjectKind Array glFogCoordPointerEXT
# The next one is problematic. It isn't discussed by the specs and
# doesn't have any associated state.
BufferObjectKind Array glInterleavedArrays
BufferObjectKind Array glMatrixIndexPointerARB
BufferObjectKind Array glNormalPointer
BufferObjectKind Array glSecondaryColorPointer
BufferObjectKind Array glSecondaryColorPointerEXT
BufferObjectKind Array glTexCoordPointer
BufferObjectKind Array glVariantPointerEXT
BufferObjectKind Array glVertexPointer
BufferObjectKind Array glVertexAttribPointer
BufferObjectKind Array glVertexAttribPointerARB
BufferObjectKind Array glVertexAttribPointerNV
BufferObjectKind Array glVertexWeightPointerEXT
BufferObjectKind Array glWeightPointerARB

BufferObjectKind Element glDrawElements
BufferObjectKind Element glDrawRangeElements
BufferObjectKind Element glDrawRangeElementsEXT

# Range check directives for various routines
# FIXME: some of these are really the bare minimum and won't catch
# many classes of errors. Should extend the DebugGL to perform much
# more error checking with e.g. glDrawElements.
RangeCheck glColorPointer             3 1
RangeCheck glDrawElements             3 {1}
RangeCheck glDrawRangeElements        5 {3}
RangeCheck glEdgeFlagPointer          1 1
RangeCheck glElementPointerATI        1 1
RangeCheck glFogCoordPointer          2 1
RangeCheck glFogCoordPointerEXT       2 1
RangeCheck glInterleavedArrays        2 1
RangeCheck glMatrixIndexPointerARB    3 1
RangeCheck glNormalPointer            2 1
RangeCheck glSecondaryColorPointer    3 1
RangeCheck glSecondaryColorPointerEXT 3 1
RangeCheck glTexCoordPointer          3 1
RangeCheck glVariantPointerEXT        3 1
RangeCheck glVertexPointer            3 1
RangeCheck glVertexAttribPointer      5 1
RangeCheck glVertexAttribPointerARB   5 1
RangeCheck glWeightPointerARB         3 1

# Range check directives for various image-related routines
RangeCheckBytes glColorTable          5 imageSizeInBytes({3}, {4}, {2}            , 1              , 1)
RangeCheckBytes glColorTableEXT       5 imageSizeInBytes({3}, {4}, {2}            , 1              , 1)
RangeCheckBytes glConvolutionFilter1D 5 imageSizeInBytes({3}, {4}, {2}            , 1              , 1)
RangeCheckBytes glConvolutionFilter2D 6 imageSizeInBytes({4}, {5}, {2}            , {3}            , 1)
RangeCheckBytes glDrawPixels          4 imageSizeInBytes({2}, {3}, {0}            , {1}            , 1)
RangeCheckBytes glReadPixels          6 imageSizeInBytes({4}, {5}, {2}            , {3}            , 1)
RangeCheckBytes glTexImage1D          7 imageSizeInBytes({5}, {6}, {3}            , 1              , 1)
RangeCheckBytes glTexImage2D          8 imageSizeInBytes({6}, {7}, {3}            , {4}            , 1)
RangeCheckBytes glTexImage3D          9 imageSizeInBytes({7}, {8}, {3}            , {4}            , {5})
RangeCheckBytes glTexSubImage1D       6 imageSizeInBytes({4}, {5}, {3}            , 1              , 1)
RangeCheckBytes glTexSubImage2D       8 imageSizeInBytes({6}, {7}, {4}            , {5}            , 1)
RangeCheckBytes glTexSubImage3D      10 imageSizeInBytes({8}, {9}, {5}            , {6}            , {7})
# Note we don't support glTexImage4DSGIS / glTexSubImage4DSGIS

# Not simple to produce good range checks for these as we would need
# to query the pipeline to see the size of the returned data before
# fetching it
# RangeCheckBytes glGetTexImage

# Range checks for server-side object creation and deletion methods
RangeCheck glGenBuffers               1 {0}
RangeCheck glDeleteBuffers            1 {0}
RangeCheck glGenBuffersARB            1 {0}
RangeCheck glDeleteBuffersARB         1 {0}
RangeCheck glGenFencesAPPLE           1 {0}
RangeCheck glDeleteFencesAPPLE        1 {0}
RangeCheck glGenFencesNV              1 {0}
RangeCheck glDeleteFencesNV           1 {0}
RangeCheck glGenFramebuffersEXT       1 {0}
RangeCheck glDeleteFramebuffersEXT    1 {0}
RangeCheck glGenOcclusionQueriesNV    1 {0}
RangeCheck glDeleteOcclusionQueriesNV 1 {0}
RangeCheck glGenProgramsARB           1 {0}
RangeCheck glDeleteProgramsARB        1 {0}
RangeCheck glGenProgramsNV            1 {0}
RangeCheck glDeleteProgramsNV         1 {0}
RangeCheck glGenQueries               1 {0}
RangeCheck glDeleteQueries            1 {0}
RangeCheck glGenQueriesARB            1 {0}
RangeCheck glDeleteQueriesARB         1 {0}
RangeCheck glGenRenderbuffersEXT      1 {0}
RangeCheck glDeleteRenderbuffersEXT   1 {0}
RangeCheck glGenTextures              1 {0}
RangeCheck glDeleteTextures           1 {0}
RangeCheck glGenVertexArraysAPPLE     1 {0}
RangeCheck glDeleteVertexArraysAPPLE  1 {0}

# Javadoc for the GL class
ClassJavadoc GL /**
ClassJavadoc GL  * <P> The basic interface to OpenGL, providing access to core
ClassJavadoc GL  * functionality up through the OpenGL 2.0 specification as well as
ClassJavadoc GL  * all vendor extensions. </P>
ClassJavadoc GL  *
ClassJavadoc GL  * <P> While the APIs for vendor extensions are unconditionally
ClassJavadoc GL  * exposed, the underlying functions may not be present. The method
ClassJavadoc GL  * {@link #isFunctionAvailable} should be used to query the
ClassJavadoc GL  * availability of any non-core function before it is used for the
ClassJavadoc GL  * first time; for example,
ClassJavadoc GL  * <code>gl.isFunctionAvailable("glProgramStringARB")</code>. On
ClassJavadoc GL  * certain platforms (Windows in particular), the most "core"
ClassJavadoc GL  * functionality is only OpenGL 1.1, so in theory any routines first
ClassJavadoc GL  * exposed in OpenGL 1.2, 1.3, and 1.4, 1.5, or 2.0 as well as vendor
ClassJavadoc GL  * extensions should all be queried. Calling an unavailable function
ClassJavadoc GL  * will cause a {@link GLException} to be raised. </P>
ClassJavadoc GL  *
ClassJavadoc GL  * {@link #isExtensionAvailable} may also be used to determine whether
ClassJavadoc GL  * a specific extension is available before calling the routines or
ClassJavadoc GL  * using the functionality it exposes: for example,
ClassJavadoc GL  * <code>gl.isExtensionAvailable("GL_ARB_vertex_program");</code>.
ClassJavadoc GL  * However, in this case it is up to the end user to know which
ClassJavadoc GL  * routines or functionality are associated with which OpenGL
ClassJavadoc GL  * extensions. It may also be used to test for the availability of a
ClassJavadoc GL  * particular version of OpenGL: for example,
ClassJavadoc GL  * <code>gl.isExtensionAvailable("GL_VERSION_1_5");</code>.
ClassJavadoc GL  *
ClassJavadoc GL  * <P> Exceptions to the window system extension naming rules:
ClassJavadoc GL  *
ClassJavadoc GL  * <UL>
ClassJavadoc GL  *
ClassJavadoc GL  * <LI> The memory allocators for the NVidia vertex_array_range (VAR)
ClassJavadoc GL  * extension, in particular <code>wglAllocateMemoryNV</code> /
ClassJavadoc GL  * <code>glXAllocateMemoryNV</code> and associated routines. {@link
ClassJavadoc GL  * #glAllocateMemoryNV} has been provided for window system-independent
ClassJavadoc GL  * access to VAR. {@link #isFunctionAvailable} will translate an argument
ClassJavadoc GL  * of "glAllocateMemoryNV" or "glFreeMemoryNV" into the appropriate
ClassJavadoc GL  * window system-specific name. </P>
ClassJavadoc GL  *
ClassJavadoc GL  * <LI> WGL_ARB_pbuffer, WGL_ARB_pixel_format, and other
ClassJavadoc GL  * platform-specific pbuffer functionality; the availability of
ClassJavadoc GL  * pbuffers can be queried on Windows, X11 and Mac OS X platforms by
ClassJavadoc GL  * querying {@link #isExtensionAvailable} with an argument of
ClassJavadoc GL  * "GL_ARB_pbuffer" or "GL_ARB_pixel_format".
ClassJavadoc GL  *
ClassJavadoc GL  * </UL> <P>
ClassJavadoc GL  *
ClassJavadoc GL  */

# Javadoc for the WGL class
ClassJavadoc WGL /**
ClassJavadoc WGL  * Provides access to the Windows-specific OpenGL vendor extensions.
ClassJavadoc WGL  * See {@link GL} for more information.
ClassJavadoc WGL  */

# Javadoc for the GLX class
ClassJavadoc GLX /**
ClassJavadoc GLX  * Provides access to the X11-specific OpenGL vendor extensions.
ClassJavadoc GLX  * See {@link GL} for more information.
ClassJavadoc GLX  */

# Javadoc for the CGL class
ClassJavadoc CGL /**
ClassJavadoc CGL  * Provides access to the MacOSX-specific OpenGL vendor extensions.
ClassJavadoc CGL  * See {@link GL} for more information.
ClassJavadoc CGL  */

# Javadoc for the XVisualInfo class
ClassJavadoc XVisualInfo /**
ClassJavadoc XVisualInfo  * Wrapper for the XVisualInfo data structure, referenced by some GLX OpenGL
ClassJavadoc XVisualInfo  * extensions. No other access is provided to these data structures so currently
ClassJavadoc XVisualInfo  * this wrapper is not useful to end users, though it is used in the implementation.
ClassJavadoc XVisualInfo  */

# Custom code for querying extensions and exposing
# wglAllocateMemoryNV/glXAllocateMemoryNV
CustomJavaCode GL   /**
CustomJavaCode GL    * Returns true if the specified OpenGL core- or extension-function can be
CustomJavaCode GL    * used successfully through this GL instance given the current host (OpenGL
CustomJavaCode GL    * <i>client</i>) and display (OpenGL <i>server</i>) configuration.<P> 
CustomJavaCode GL    * By "successfully" we mean that the function is both <i>callable</i> 
CustomJavaCode GL    * on the machine running the program and <i>available</i> on the current 
CustomJavaCode GL    * display.<P> 
CustomJavaCode GL    *
CustomJavaCode GL    * In order to call a function successfully, the function must be both
CustomJavaCode GL    * <i>callable</i> on the machine running the program and <i>available</i> on 
CustomJavaCode GL    * the display device that is rendering the output (note: on non-networked, 
CustomJavaCode GL    * single-display machines these two conditions are identical; on networked and/or
CustomJavaCode GL    * multi-display machines this becomes more complicated). These conditions are
CustomJavaCode GL    * met if the function is either part of the core OpenGL version supported by
CustomJavaCode GL    * both the host and display, or it is an OpenGL extension function that both
CustomJavaCode GL    * the host and display support. <P>
CustomJavaCode GL    *
CustomJavaCode GL    * A GL function is <i>callable</i> if it is statically linked, or can be 
CustomJavaCode GL    * dynamically linked at runtime. 
CustomJavaCode GL    * 
CustomJavaCode GL    * Whether or not a GL function is <i>available</i> is determined as follows: 
CustomJavaCode GL    * <ul>
CustomJavaCode GL    *   <li>If the function is an OpenGL core function (i.e., not an
CustomJavaCode GL    *   extension), <code>glGetString(GL_VERSION)</code> is used to determine the
CustomJavaCode GL    *   version number of the highest OpenGL specification version that both host
CustomJavaCode GL    *   and display support, and then the function name is cross-referenced
CustomJavaCode GL    *   with that specification version to see if it is part of that version.

CustomJavaCode GL    *   <li> If the function is an OpenGL extension, the function name is
CustomJavaCode GL    *   cross-referenced with the list returned by
CustomJavaCode GL    *   <code>glGetString(GL_EXTENSIONS)</code> to see if the function is one of
CustomJavaCode GL    *   the extensions that is supported on both host and display.
CustomJavaCode GL    * </ul>
CustomJavaCode GL    *
CustomJavaCode GL    * <b>NOTE:</b>The availability of a function may change at runtime in
CustomJavaCode GL    * response to changes in the display environment. For example, when a window
CustomJavaCode GL    * is dragged from one display to another on a multi-display system, or when
CustomJavaCode GL    * the properties of the display device are modified (e.g., changing the color
CustomJavaCode GL    * depth of the display). Any application that is concerned with handling
CustomJavaCode GL    * these situations correctly should confirm availability after a display
CustomJavaCode GL    * change before calling a questionable OpenGL function. To detect a change in
CustomJavaCode GL    * the display device, please see {@link
CustomJavaCode GL    * GLEventListener#displayChanged(GLAutoDrawable,boolean,boolean)}.
CustomJavaCode GL    *
CustomJavaCode GL    * @param glFunctionName the name of the OpenGL function (e.g., use
CustomJavaCode GL    * "glBindRenderbufferEXT" to check if {@link
CustomJavaCode GL    * #glBindRenderbufferEXT(int,int)} is available).
CustomJavaCode GL    */
CustomJavaCode GL   public boolean isFunctionAvailable(String glFunctionName);

CustomJavaCode GL   /**
CustomJavaCode GL    * Returns true if the specified OpenGL extension can be
CustomJavaCode GL    * used successfully through this GL instance given the current host (OpenGL
CustomJavaCode GL    * <i>client</i>) and display (OpenGL <i>server</i>) configuration.<P> 
CustomJavaCode GL    *
CustomJavaCode GL    * @param glExtensionName the name of the OpenGL extension (e.g.,
CustomJavaCode GL    * "GL_ARB_vertex_program").
CustomJavaCode GL    */
CustomJavaCode GL   public boolean isExtensionAvailable(String glExtensionName);

CustomJavaCode GL   /**
CustomJavaCode GL    * Provides platform-independent access to the <code>wglAllocateMemoryNV</code> /
CustomJavaCode GL    * <code>glXAllocateMemoryNV</code> extension.
CustomJavaCode GL    */
CustomJavaCode GL   public java.nio.ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3);

CustomJavaCode GL   /** Provides a platform-independent way to specify the minimum swap
CustomJavaCode GL       interval for buffer swaps. An argument of 0 disables
CustomJavaCode GL       sync-to-vertical-refresh completely, while an argument of 1
CustomJavaCode GL       causes the application to wait until the next vertical refresh
CustomJavaCode GL       until swapping buffers. The default, which is platform-specific,
CustomJavaCode GL       is usually either 0 or 1. This function is not guaranteed to
CustomJavaCode GL       have an effect, and in particular only affects heavyweight
CustomJavaCode GL       onscreen components. */
CustomJavaCode GL   public void setSwapInterval(int interval);

CustomJavaCode GL   /**
CustomJavaCode GL    * Returns an object through which platform-specific OpenGL extensions
CustomJavaCode GL    * (WGL, GLX, etc.) may be accessed. The data type of the returned
CustomJavaCode GL    * object and its associated capabilities are undefined. Most
CustomJavaCode GL    * applications will never need to call this method. It is highly
CustomJavaCode GL    * recommended that any applications which do call this method perform
CustomJavaCode GL    * all accesses on the returned object reflectively to guard
CustomJavaCode GL    * themselves against changes to the implementation.
CustomJavaCode GL    */
CustomJavaCode GL   public Object getPlatformGLExtensions();

CustomJavaCode GL   /**
CustomJavaCode GL    * Returns an object providing access to the specified OpenGL
CustomJavaCode GL    * extension. This is intended to provide a mechanism for vendors who
CustomJavaCode GL    * which to provide access to new OpenGL extensions without changing
CustomJavaCode GL    * the public API of the core package. For example, a user may request
CustomJavaCode GL    * access to extension "GL_VENDOR_foo" and receive back an object
CustomJavaCode GL    * which implements a vendor-specified interface which can call the
CustomJavaCode GL    * OpenGL extension functions corresponding to that extension. It is
CustomJavaCode GL    * up to the vendor to specify both the extension name and Java API
CustomJavaCode GL    * for accessing it, including which class or interface contains the
CustomJavaCode GL    * functions.
CustomJavaCode GL    *
CustomJavaCode GL    * <P>
CustomJavaCode GL    *
CustomJavaCode GL    * Note: it is the intent to add new extensions as quickly as possible
CustomJavaCode GL    * to the core GL API. Therefore it is unlikely that most vendors will
CustomJavaCode GL    * use this extension mechanism, but it is being provided for
CustomJavaCode GL    * completeness.
CustomJavaCode GL    */
CustomJavaCode GL   public Object getExtension(String extensionName);