Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 1063 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa/src/mesa/main/dd.h b/nx-X11/extras/Mesa/src/mesa/main/dd.h
new file mode 100644
index 000000000..e4c103c55
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/main/dd.h
@@ -0,0 +1,1063 @@
+/**
+ * \file dd.h
+ * Device driver interfaces.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef DD_INCLUDED
+#define DD_INCLUDED
+
+/* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */
+
+struct gl_pixelstore_attrib;
+struct mesa_display_list;
+
+/**
+ * Device driver function table.
+ * Core Mesa uses these function pointers to call into device drivers.
+ * Most of these functions directly correspond to OpenGL state commands.
+ * Core Mesa will call these functions after error checking has been done
+ * so that the drivers don't have to worry about error testing.
+ *
+ * Vertex transformation/clipping/lighting is patched into the T&L module.
+ * Rasterization functions are patched into the swrast module.
+ *
+ * Note: when new functions are added here, the drivers/common/driverfuncs.c
+ * file should be updated too!!!
+ */
+struct dd_function_table {
+   /**
+    * Return a string as needed by glGetString().
+    *
+    * Only the GL_RENDERER token must be implemented.  Otherwise, NULL can be
+    * returned.
+    */
+   const GLubyte * (*GetString)( GLcontext *ctx, GLenum name );
+
+   /**
+    * Notify the driver after Mesa has made some internal state changes.  
+    *
+    * This is in addition to any state change callbacks Mesa may already have
+    * made.
+    */
+   void (*UpdateState)( GLcontext *ctx, GLuint new_state );
+
+   /**
+    * Get the width and height of the named buffer/window.
+    *
+    * Mesa uses this to determine when the driver's window size has changed.
+    */
+   void (*GetBufferSize)( GLframebuffer *buffer,
+                          GLuint *width, GLuint *height );
+
+   /**
+    * Resize the given framebuffer to the given size.
+    */
+   void (*ResizeBuffers)( GLcontext *ctx, GLframebuffer *fb,
+                          GLuint width, GLuint height);
+
+   /**
+    * Called whenever an error is generated.  
+    *
+    * __GLcontextRec::ErrorValue contains the error value.
+    */
+   void (*Error)( GLcontext *ctx );
+
+   /**
+    * This is called whenever glFinish() is called.
+    */
+   void (*Finish)( GLcontext *ctx );
+
+   /**
+    * This is called whenever glFlush() is called.
+    */
+   void (*Flush)( GLcontext *ctx );
+
+   /**
+    * Clear the color/depth/stencil/accum buffer(s).
+    *
+    * \param mask a bitmask of the DD_*_BIT values defined above that indicates
+    * which buffers need to be cleared.
+    * \param all if true then clear the whole buffer, else clear only the
+    * region defined by <tt>(x, y, width, height)</tt>.
+    * 
+    * This function must obey the glColorMask(), glIndexMask() and
+    * glStencilMask() settings!
+    * Software Mesa can do masked clears if the device driver can't.
+    */
+   void (*Clear)( GLcontext *ctx, GLbitfield mask, GLboolean all,
+		  GLint x, GLint y, GLint width, GLint height );
+
+
+   /**
+    * \name For hardware accumulation buffer
+    */
+   /*@{*/
+   /**
+    * Execute glAccum command within the given scissor region.
+    */
+   void (*Accum)( GLcontext *ctx, GLenum op, GLfloat value,
+		  GLint xpos, GLint ypos, GLint width, GLint height );
+   /*@}*/
+
+
+   /**
+    * \name glDraw(), glRead(), glCopyPixels() and glBitmap() functions
+    */
+   /*@{*/
+
+   /**
+    * This is called by glDrawPixels().
+    *
+    * \p unpack describes how to unpack the source image data.
+    */
+   void (*DrawPixels)( GLcontext *ctx,
+		       GLint x, GLint y, GLsizei width, GLsizei height,
+		       GLenum format, GLenum type,
+		       const struct gl_pixelstore_attrib *unpack,
+		       const GLvoid *pixels );
+
+   /**
+    * Called by glReadPixels().
+    */
+   void (*ReadPixels)( GLcontext *ctx,
+		       GLint x, GLint y, GLsizei width, GLsizei height,
+		       GLenum format, GLenum type,
+		       const struct gl_pixelstore_attrib *unpack,
+		       GLvoid *dest );
+
+   /**
+    * Do a glCopyPixels().  
+    *
+    * This function must respect all rasterization state, glPixelTransfer(),
+    * glPixelZoom(), etc.
+    */
+   void (*CopyPixels)( GLcontext *ctx, GLint srcx, GLint srcy,
+                       GLsizei width, GLsizei height,
+                       GLint dstx, GLint dsty, GLenum type );
+
+   /**
+    * This is called by glBitmap().  
+    *
+    * Works the same as dd_function_table::DrawPixels, above.
+    */
+   void (*Bitmap)( GLcontext *ctx,
+		   GLint x, GLint y, GLsizei width, GLsizei height,
+		   const struct gl_pixelstore_attrib *unpack,
+		   const GLubyte *bitmap );
+   /*@}*/
+
+   
+   /**
+    * \name Texture image functions
+    */
+   /*@{*/
+
+   /**
+    * Choose texture format.
+    * 
+    * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
+    * functions.  The driver should examine \p internalFormat and return a
+    * pointer to an appropriate gl_texture_format.
+    */
+   const struct gl_texture_format *(*ChooseTextureFormat)( GLcontext *ctx,
+                      GLint internalFormat, GLenum srcFormat, GLenum srcType );
+
+   /**
+    * Called by glTexImage1D().
+    * 
+    * \param target user specified.
+    * \param format user specified.
+    * \param type user specified.
+    * \param pixels user specified.
+    * \param packing indicates the image packing of pixels.
+    * \param texObj is the target texture object.
+    * \param texImage is the target texture image.  It will have the texture \p
+    * width, \p height, \p depth, \p border and \p internalFormat information.
+    * 
+    * \p retainInternalCopy is returned by this function and indicates whether
+    * core Mesa should keep an internal copy of the texture image.
+    *
+    * Drivers should call a fallback routine from texstore.c if needed.
+    */
+   void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage );
+
+   /**
+    * Called by glTexImage2D().
+    * 
+    * \sa dd_function_table::TexImage1D.
+    */
+   void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint height, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage );
+   
+   /**
+    * Called by glTexImage3D().
+    * 
+    * \sa dd_function_table::TexImage1D.
+    */
+   void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint height, GLint depth, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage );
+
+   /**
+    * Called by glTexSubImage1D().
+    *
+    * \param target user specified.
+    * \param level user specified.
+    * \param xoffset user specified.
+    * \param yoffset user specified.
+    * \param zoffset user specified.
+    * \param width user specified.
+    * \param height user specified.
+    * \param depth user specified.
+    * \param format user specified.
+    * \param type user specified.
+    * \param pixels user specified.
+    * \param packing indicates the image packing of pixels.
+    * \param texObj is the target texture object.
+    * \param texImage is the target texture image.  It will have the texture \p
+    * width, \p height, \p border and \p internalFormat information.
+    *
+    * The driver should use a fallback routine from texstore.c if needed.
+    */
+   void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLsizei width,
+                          GLenum format, GLenum type,
+                          const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage );
+   
+   /**
+    * Called by glTexSubImage2D().
+    *
+    * \sa dd_function_table::TexSubImage1D.
+    */
+   void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset,
+                          GLsizei width, GLsizei height,
+                          GLenum format, GLenum type,
+                          const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage );
+   
+   /**
+    * Called by glTexSubImage3D().
+    *
+    * \sa dd_function_table::TexSubImage1D.
+    */
+   void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset, GLint zoffset,
+                          GLsizei width, GLsizei height, GLint depth,
+                          GLenum format, GLenum type,
+                          const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage );
+
+   /**
+    * Called by glGetTexImage().
+    */
+   void (*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
+                        GLenum format, GLenum type, GLvoid *pixels,
+                        const struct gl_texture_object *texObj,
+                        const struct gl_texture_image *texImage );
+
+   /**
+    * Called by glCopyTexImage1D().
+    * 
+    * Drivers should use a fallback routine from texstore.c if needed.
+    */
+   void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level,
+                           GLenum internalFormat, GLint x, GLint y,
+                           GLsizei width, GLint border );
+
+   /**
+    * Called by glCopyTexImage2D().
+    * 
+    * Drivers should use a fallback routine from texstore.c if needed.
+    */
+   void (*CopyTexImage2D)( GLcontext *ctx, GLenum target, GLint level,
+                           GLenum internalFormat, GLint x, GLint y,
+                           GLsizei width, GLsizei height, GLint border );
+
+   /**
+    * Called by glCopyTexSubImage1D().
+    * 
+    * Drivers should use a fallback routine from texstore.c if needed.
+    */
+   void (*CopyTexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
+                              GLint xoffset,
+                              GLint x, GLint y, GLsizei width );
+   /**
+    * Called by glCopyTexSubImage2D().
+    * 
+    * Drivers should use a fallback routine from texstore.c if needed.
+    */
+   void (*CopyTexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
+                              GLint xoffset, GLint yoffset,
+                              GLint x, GLint y,
+                              GLsizei width, GLsizei height );
+   /**
+    * Called by glCopyTexSubImage3D().
+    * 
+    * Drivers should use a fallback routine from texstore.c if needed.
+    */
+   void (*CopyTexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
+                              GLint xoffset, GLint yoffset, GLint zoffset,
+                              GLint x, GLint y,
+                              GLsizei width, GLsizei height );
+
+   /**
+    * Called by glTexImage[123]D when user specifies a proxy texture
+    * target.  
+    *
+    * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
+    */
+   GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target,
+                                  GLint level, GLint internalFormat,
+                                  GLenum format, GLenum type,
+                                  GLint width, GLint height,
+                                  GLint depth, GLint border);
+   /*@}*/
+
+   
+   /**
+    * \name Compressed texture functions
+    */
+   /*@{*/
+
+   /**
+    * Called by glCompressedTexImage1D().
+    *
+    * \param target user specified.
+    * \param format user specified.
+    * \param type user specified.
+    * \param pixels user specified.
+    * \param packing indicates the image packing of pixels.
+    * \param texObj is the target texture object.
+    * \param texImage is the target texture image.  It will have the texture \p
+    * width, \p height, \p depth, \p border and \p internalFormat information.
+    *      
+    * \a retainInternalCopy is returned by this function and indicates whether
+    * core Mesa should keep an internal copy of the texture image.
+    */
+   void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
+                                 GLint level, GLint internalFormat,
+                                 GLsizei width, GLint border,
+                                 GLsizei imageSize, const GLvoid *data,
+                                 struct gl_texture_object *texObj,
+                                 struct gl_texture_image *texImage );
+   /**
+    * Called by glCompressedTexImage2D().
+    *
+    * \sa dd_function_table::CompressedTexImage1D.
+    */
+   void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
+                                 GLint level, GLint internalFormat,
+                                 GLsizei width, GLsizei height, GLint border,
+                                 GLsizei imageSize, const GLvoid *data,
+                                 struct gl_texture_object *texObj,
+                                 struct gl_texture_image *texImage );
+   /**
+    * Called by glCompressedTexImage3D().
+    *
+    * \sa dd_function_table::CompressedTexImage3D.
+    */
+   void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
+                                 GLint level, GLint internalFormat,
+                                 GLsizei width, GLsizei height, GLsizei depth,
+                                 GLint border,
+                                 GLsizei imageSize, const GLvoid *data,
+                                 struct gl_texture_object *texObj,
+                                 struct gl_texture_image *texImage );
+
+   /**
+    * Called by glCompressedTexSubImage1D().
+    * 
+    * \param target user specified.
+    * \param level user specified.
+    * \param xoffset user specified.
+    * \param yoffset user specified.
+    * \param zoffset user specified.
+    * \param width user specified.
+    * \param height user specified.
+    * \param depth user specified.
+    * \param imageSize user specified.
+    * \param data user specified.
+    * \param texObj is the target texture object.
+    * \param texImage is the target texture image.  It will have the texture \p
+    * width, \p height, \p depth, \p border and \p internalFormat information.
+    */
+   void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level,
+                                   GLint xoffset, GLsizei width,
+                                   GLenum format,
+                                   GLsizei imageSize, const GLvoid *data,
+                                   struct gl_texture_object *texObj,
+                                   struct gl_texture_image *texImage);
+   /**
+    * Called by glCompressedTexSubImage2D().
+    *
+    * \sa dd_function_table::CompressedTexImage3D.
+    */
+   void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level,
+                                   GLint xoffset, GLint yoffset,
+                                   GLsizei width, GLint height,
+                                   GLenum format,
+                                   GLsizei imageSize, const GLvoid *data,
+                                   struct gl_texture_object *texObj,
+                                   struct gl_texture_image *texImage);
+   /**
+    * Called by glCompressedTexSubImage3D().
+    *
+    * \sa dd_function_table::CompressedTexImage3D.
+    */
+   void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level,
+                                   GLint xoffset, GLint yoffset, GLint zoffset,
+                                   GLsizei width, GLint height, GLint depth,
+                                   GLenum format,
+                                   GLsizei imageSize, const GLvoid *data,
+                                   struct gl_texture_object *texObj,
+                                   struct gl_texture_image *texImage);
+
+
+   /**
+    * Called by glGetCompressedTexImage.
+    */
+   void (*GetCompressedTexImage)(GLcontext *ctx, GLenum target, GLint level,
+                                 GLvoid *img,
+                                 const struct gl_texture_object *texObj,
+                                 const struct gl_texture_image *texImage);
+
+   /**
+    * Called to query number of bytes of storage needed to store the
+    * specified compressed texture.
+    */
+   GLuint (*CompressedTextureSize)( GLcontext *ctx, GLsizei width,
+                                    GLsizei height, GLsizei depth,
+                                    GLenum format );
+   /*@}*/
+
+   /**
+    * \name Texture object functions
+    */
+   /*@{*/
+
+   /**
+    * Called by glBindTexture().
+    */
+   void (*BindTexture)( GLcontext *ctx, GLenum target,
+                        struct gl_texture_object *tObj );
+
+   /**
+    * Called to allocate a new texture object.
+    * A new gl_texture_object should be returned.  The driver should
+    * attach to it any device-specific info it needs.
+    */
+   struct gl_texture_object * (*NewTextureObject)( GLcontext *ctx, GLuint name,
+                                                   GLenum target );
+   /**
+    * Called when a texture object is about to be deallocated.  
+    *
+    * Driver should delete the gl_texture_object object and anything
+    * hanging off of it.
+    */
+   void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
+
+   /**
+    * Called to allocate a new texture image object.
+    */
+   struct gl_texture_image * (*NewTextureImage)( GLcontext *ctx );
+
+   /** 
+    * Called to free tImage->Data.
+    */
+   void (*FreeTexImageData)( GLcontext *ctx, struct gl_texture_image *tImage );
+
+   /**
+    * Note: no context argument.  This function doesn't initially look
+    * like it belongs here, except that the driver is the only entity
+    * that knows for sure how the texture memory is allocated - via
+    * the above callbacks.  There is then an argument that the driver
+    * knows what memcpy paths might be fast.  Typically this is invoked with
+    * 
+    * to -- a pointer into texture memory allocated by NewTextureImage() above.
+    * from -- a pointer into client memory or a mesa temporary.
+    * sz -- nr bytes to copy.
+    */
+   void* (*TextureMemCpy)( void *to, const void *from, size_t sz );
+
+   /**
+    * Called by glAreTextureResident().
+    */
+   GLboolean (*IsTextureResident)( GLcontext *ctx,
+                                   struct gl_texture_object *t );
+
+   /**
+    * Called by glPrioritizeTextures().
+    */
+   void (*PrioritizeTexture)( GLcontext *ctx,  struct gl_texture_object *t,
+                              GLclampf priority );
+
+   /**
+    * Called by glActiveTextureARB() to set current texture unit.
+    */
+   void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber );
+
+   /**
+    * Called when the texture's color lookup table is changed.
+    * 
+    * If \p tObj is NULL then the shared texture palette
+    * gl_texture_object::Palette is to be updated.
+    */
+   void (*UpdateTexturePalette)( GLcontext *ctx,
+                                 struct gl_texture_object *tObj );
+   /*@}*/
+
+   
+   /**
+    * \name Imaging functionality
+    */
+   /*@{*/
+   void (*CopyColorTable)( GLcontext *ctx,
+			   GLenum target, GLenum internalformat,
+			   GLint x, GLint y, GLsizei width );
+
+   void (*CopyColorSubTable)( GLcontext *ctx,
+			      GLenum target, GLsizei start,
+			      GLint x, GLint y, GLsizei width );
+
+   void (*CopyConvolutionFilter1D)( GLcontext *ctx, GLenum target,
+				    GLenum internalFormat,
+				    GLint x, GLint y, GLsizei width );
+
+   void (*CopyConvolutionFilter2D)( GLcontext *ctx, GLenum target,
+				    GLenum internalFormat,
+				    GLint x, GLint y,
+				    GLsizei width, GLsizei height );
+   /*@}*/
+
+
+   /**
+    * \name Vertex/fragment program functions
+    */
+   /*@{*/
+   /** Bind a vertex/fragment program */
+   void (*BindProgram)(GLcontext *ctx, GLenum target, struct program *prog);
+   /** Allocate a new program */
+   struct program * (*NewProgram)(GLcontext *ctx, GLenum target, GLuint id);
+   /** Delete a program */
+   void (*DeleteProgram)(GLcontext *ctx, struct program *prog);   
+   /** Notify driver that a program string has been specified. */
+   void (*ProgramStringNotify)(GLcontext *ctx, GLenum target, 
+			       struct program *prog);
+   
+
+
+   /** Query if program can be loaded onto hardware */
+   GLboolean (*IsProgramNative)(GLcontext *ctx, GLenum target, 
+				struct program *prog);
+   
+   /*@}*/
+
+
+   /**
+    * \name State-changing functions.
+    *
+    * \note drawing functions are above.
+    *
+    * These functions are called by their corresponding OpenGL API functions.
+    * They are \e also called by the gl_PopAttrib() function!!!
+    * May add more functions like these to the device driver in the future.
+    */
+   /*@{*/
+   /** Specify the alpha test function */
+   void (*AlphaFunc)(GLcontext *ctx, GLenum func, GLfloat ref);
+   /** Set the blend color */
+   void (*BlendColor)(GLcontext *ctx, const GLfloat color[4]);
+   /** Set the blend equation */
+   void (*BlendEquationSeparate)(GLcontext *ctx, GLenum modeRGB, GLenum modeA);
+   /** Specify pixel arithmetic */
+   void (*BlendFuncSeparate)(GLcontext *ctx,
+                             GLenum sfactorRGB, GLenum dfactorRGB,
+                             GLenum sfactorA, GLenum dfactorA);
+   /** Specify clear values for the color buffers */
+   void (*ClearColor)(GLcontext *ctx, const GLfloat color[4]);
+   /** Specify the clear value for the depth buffer */
+   void (*ClearDepth)(GLcontext *ctx, GLclampd d);
+   /** Specify the clear value for the color index buffers */
+   void (*ClearIndex)(GLcontext *ctx, GLuint index);
+   /** Specify the clear value for the stencil buffer */
+   void (*ClearStencil)(GLcontext *ctx, GLint s);
+   /** Specify a plane against which all geometry is clipped */
+   void (*ClipPlane)(GLcontext *ctx, GLenum plane, const GLfloat *equation );
+   /** Enable and disable writing of frame buffer color components */
+   void (*ColorMask)(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
+                     GLboolean bmask, GLboolean amask );
+   /** Cause a material color to track the current color */
+   void (*ColorMaterial)(GLcontext *ctx, GLenum face, GLenum mode);
+   /** Specify whether front- or back-facing facets can be culled */
+   void (*CullFace)(GLcontext *ctx, GLenum mode);
+   /** Define front- and back-facing polygons */
+   void (*FrontFace)(GLcontext *ctx, GLenum mode);
+   /** Specify the value used for depth buffer comparisons */
+   void (*DepthFunc)(GLcontext *ctx, GLenum func);
+   /** Enable or disable writing into the depth buffer */
+   void (*DepthMask)(GLcontext *ctx, GLboolean flag);
+   /** Specify mapping of depth values from NDC to window coordinates */
+   void (*DepthRange)(GLcontext *ctx, GLclampd nearval, GLclampd farval);
+   /** Specify the current buffer for writing */
+   void (*DrawBuffer)( GLcontext *ctx, GLenum buffer );
+   /** Specify the buffers for writing for fragment programs*/
+   void (*DrawBuffers)( GLcontext *ctx, GLsizei n, const GLenum *buffers );
+   /** Enable or disable server-side gl capabilities */
+   void (*Enable)(GLcontext *ctx, GLenum cap, GLboolean state);
+   /** Specify fog parameters */
+   void (*Fogfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
+   /** Specify implementation-specific hints */
+   void (*Hint)(GLcontext *ctx, GLenum target, GLenum mode);
+   /** Control the writing of individual bits in the color index buffers */
+   void (*IndexMask)(GLcontext *ctx, GLuint mask);
+   /** Set light source parameters */
+   void (*Lightfv)(GLcontext *ctx, GLenum light,
+		   GLenum pname, const GLfloat *params );
+   /** Set the lighting model parameters */
+   void (*LightModelfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
+   /** Specify the line stipple pattern */
+   void (*LineStipple)(GLcontext *ctx, GLint factor, GLushort pattern );
+   /** Specify the width of rasterized lines */
+   void (*LineWidth)(GLcontext *ctx, GLfloat width);
+   /** Specify a logical pixel operation for color index rendering */
+   void (*LogicOpcode)(GLcontext *ctx, GLenum opcode);
+   void (*PointParameterfv)(GLcontext *ctx, GLenum pname,
+                            const GLfloat *params);
+   /** Specify the diameter of rasterized points */
+   void (*PointSize)(GLcontext *ctx, GLfloat size);
+   /** Select a polygon rasterization mode */
+   void (*PolygonMode)(GLcontext *ctx, GLenum face, GLenum mode);
+   /** Set the scale and units used to calculate depth values */
+   void (*PolygonOffset)(GLcontext *ctx, GLfloat factor, GLfloat units);
+   /** Set the polygon stippling pattern */
+   void (*PolygonStipple)(GLcontext *ctx, const GLubyte *mask );
+   /* Specifies the current buffer for reading */
+   void (*ReadBuffer)( GLcontext *ctx, GLenum buffer );
+   /** Set rasterization mode */
+   void (*RenderMode)(GLcontext *ctx, GLenum mode );
+   /** Define the scissor box */
+   void (*Scissor)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
+   /** Select flat or smooth shading */
+   void (*ShadeModel)(GLcontext *ctx, GLenum mode);
+   /** Set function and reference value for stencil testing */
+   void (*StencilFunc)(GLcontext *ctx, GLenum func, GLint ref, GLuint mask);
+   /** Control the writing of individual bits in the stencil planes */
+   void (*StencilMask)(GLcontext *ctx, GLuint mask);
+   /** Set stencil test actions */
+   void (*StencilOp)(GLcontext *ctx, GLenum fail, GLenum zfail, GLenum zpass);
+   /** Set active stencil face (GL_EXT_stencil_two_side) */
+   void (*ActiveStencilFace)(GLcontext *ctx, GLuint face);
+   /** OpenGL 2.0 two-sided StencilFunc */
+   void (*StencilFuncSeparate)(GLcontext *ctx, GLenum face, GLenum func,
+                               GLint ref, GLuint mask);
+   /** OpenGL 2.0 two-sided StencilMask */
+   void (*StencilMaskSeparate)(GLcontext *ctx, GLenum face, GLuint mask);
+   /** OpenGL 2.0 two-sided StencilOp */
+   void (*StencilOpSeparate)(GLcontext *ctx, GLenum face, GLenum fail,
+                             GLenum zfail, GLenum zpass);
+   /** Control the generation of texture coordinates */
+   void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname,
+		  const GLfloat *params);
+   /** Set texture environment parameters */
+   void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname,
+                  const GLfloat *param);
+   /** Set texture parameters */
+   void (*TexParameter)(GLcontext *ctx, GLenum target,
+                        struct gl_texture_object *texObj,
+                        GLenum pname, const GLfloat *params);
+   void (*TextureMatrix)(GLcontext *ctx, GLuint unit, const GLmatrix *mat);
+   /** Set the viewport */
+   void (*Viewport)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
+   /*@}*/
+
+
+   /**
+    * \name Vertex array functions
+    *
+    * Called by the corresponding OpenGL functions.
+    */
+   /*@{*/
+   void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type,
+			 GLsizei stride, const GLvoid *ptr);
+   void (*NormalPointer)(GLcontext *ctx, GLenum type,
+			 GLsizei stride, const GLvoid *ptr);
+   void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type,
+			GLsizei stride, const GLvoid *ptr);
+   void (*FogCoordPointer)(GLcontext *ctx, GLenum type,
+			   GLsizei stride, const GLvoid *ptr);
+   void (*IndexPointer)(GLcontext *ctx, GLenum type,
+			GLsizei stride, const GLvoid *ptr);
+   void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type,
+				 GLsizei stride, const GLvoid *ptr);
+   void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type,
+			   GLsizei stride, const GLvoid *ptr);
+   void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr);
+   void (*VertexAttribPointer)(GLcontext *ctx, GLuint index, GLint size,
+                               GLenum type, GLsizei stride, const GLvoid *ptr);
+   void (*LockArraysEXT)( GLcontext *ctx, GLint first, GLsizei count );
+   void (*UnlockArraysEXT)( GLcontext *ctx );
+   /*@}*/
+
+
+   /** 
+    * \name State-query functions
+    *
+    * Return GL_TRUE if query was completed, GL_FALSE otherwise.
+    */
+   /*@{*/
+   /** Return the value or values of a selected parameter */
+   GLboolean (*GetBooleanv)(GLcontext *ctx, GLenum pname, GLboolean *result);
+   /** Return the value or values of a selected parameter */
+   GLboolean (*GetDoublev)(GLcontext *ctx, GLenum pname, GLdouble *result);
+   /** Return the value or values of a selected parameter */
+   GLboolean (*GetFloatv)(GLcontext *ctx, GLenum pname, GLfloat *result);
+   /** Return the value or values of a selected parameter */
+   GLboolean (*GetIntegerv)(GLcontext *ctx, GLenum pname, GLint *result);
+   /** Return the value or values of a selected parameter */
+   GLboolean (*GetPointerv)(GLcontext *ctx, GLenum pname, GLvoid **result);
+   /*@}*/
+   
+
+   /**
+    * \name Vertex/pixel buffer object functions
+    */
+#if FEATURE_ARB_vertex_buffer_object
+   /*@{*/
+   void (*BindBuffer)( GLcontext *ctx, GLenum target,
+		       struct gl_buffer_object *obj );
+
+   struct gl_buffer_object * (*NewBufferObject)( GLcontext *ctx, GLuint buffer,
+						 GLenum target );
+   
+   void (*DeleteBuffer)( GLcontext *ctx, struct gl_buffer_object *obj );
+
+   void (*BufferData)( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
+		       const GLvoid *data, GLenum usage,
+		       struct gl_buffer_object *obj );
+
+   void (*BufferSubData)( GLcontext *ctx, GLenum target, GLintptrARB offset,
+			  GLsizeiptrARB size, const GLvoid *data,
+			  struct gl_buffer_object *obj );
+
+   void (*GetBufferSubData)( GLcontext *ctx, GLenum target,
+			     GLintptrARB offset, GLsizeiptrARB size,
+			     GLvoid *data, struct gl_buffer_object *obj );
+
+   void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access,
+			struct gl_buffer_object *obj );
+
+   GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target,
+			     struct gl_buffer_object *obj );
+   /*@}*/
+#endif
+
+   /**
+    * \name Functions for GL_EXT_framebuffer_object
+    */
+#if FEATURE_EXT_framebuffer_object
+   /*@{*/
+   struct gl_framebuffer * (*NewFramebuffer)(GLcontext *ctx, GLuint name);
+   struct gl_renderbuffer * (*NewRenderbuffer)(GLcontext *ctx, GLuint name);
+   void (*FramebufferRenderbuffer)(GLcontext *ctx, 
+                                   struct gl_renderbuffer_attachment *att,
+                                   struct gl_renderbuffer *rb);
+   void (*RenderbufferTexture)(GLcontext *ctx,
+                               struct gl_renderbuffer_attachment *att,
+                               struct gl_texture_object *texObj,
+                               GLenum texTarget, GLuint level, GLuint zoffset);
+   /*@}*/
+#endif
+
+
+   /**
+    * \name Support for multiple T&L engines
+    */
+   /*@{*/
+
+   /**
+    * Bitmask of state changes that require the current T&L module to be
+    * validated, using ValidateTnlModule() below.
+    */
+   GLuint NeedValidate;
+
+   /**
+    * Validate the current T&L module. 
+    *
+    * This is called directly after UpdateState() when a state change that has
+    * occurred matches the dd_function_table::NeedValidate bitmask above.  This
+    * ensures all computed values are up to date, thus allowing the driver to
+    * decide if the current T&L module needs to be swapped out.
+    *
+    * This must be non-NULL if a driver installs a custom T&L module and sets
+    * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise.
+    */
+   void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state );
+
+
+#define PRIM_OUTSIDE_BEGIN_END   GL_POLYGON+1
+#define PRIM_INSIDE_UNKNOWN_PRIM GL_POLYGON+2
+#define PRIM_UNKNOWN             GL_POLYGON+3
+
+   /**
+    * Set by the driver-supplied T&L engine.  
+    *
+    * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
+    */
+   GLuint CurrentExecPrimitive;
+
+   /**
+    * Current state of an in-progress compilation.  
+    *
+    * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
+    * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
+    */
+   GLuint CurrentSavePrimitive;
+
+
+#define FLUSH_STORED_VERTICES 0x1
+#define FLUSH_UPDATE_CURRENT  0x2
+   /**
+    * Set by the driver-supplied T&L engine whenever vertices are buffered
+    * between glBegin()/glEnd() objects or __GLcontextRec::Current is not
+    * updated.
+    *
+    * The dd_function_table::FlushVertices call below may be used to resolve
+    * these conditions.
+    */
+   GLuint NeedFlush;
+   GLuint SaveNeedFlush;
+
+   /**
+    * If inside glBegin()/glEnd(), it should ASSERT(0).  Otherwise, if
+    * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
+    * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
+    * __GLcontextRec::Current and gl_light_attrib::Material
+    *
+    * Note that the default T&L engine never clears the
+    * FLUSH_UPDATE_CURRENT bit, even after performing the update.
+    */
+   void (*FlushVertices)( GLcontext *ctx, GLuint flags );
+   void (*SaveFlushVertices)( GLcontext *ctx );
+
+   /**
+    * Give the driver the opportunity to hook in its own vtxfmt for
+    * compiling optimized display lists.  This is called on each valid
+    * glBegin() during list compilation.
+    */
+   GLboolean (*NotifySaveBegin)( GLcontext *ctx, GLenum mode );
+
+   /**
+    * Notify driver that the special derived value _NeedEyeCoords has
+    * changed.
+    */
+   void (*LightingSpaceChange)( GLcontext *ctx );
+
+   /**
+    * Let the T&L component know when the context becomes current.
+    */
+   void (*MakeCurrent)( GLcontext *ctx, GLframebuffer *drawBuffer,
+			GLframebuffer *readBuffer );
+
+   /**
+    * Called by glNewList().
+    *
+    * Let the T&L component know what is going on with display lists
+    * in time to make changes to dispatch tables, etc.
+    */
+   void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode );
+   /**
+    * Called by glEndList().
+    *
+    * \sa dd_function_table::NewList.
+    */
+   void (*EndList)( GLcontext *ctx );
+
+   /**
+    * Called by glCallList(s).
+    *
+    * Notify the T&L component before and after calling a display list.
+    */
+   void (*BeginCallList)( GLcontext *ctx, 
+			  struct mesa_display_list *dlist );
+   /**
+    * Called by glEndCallList().
+    *
+    * \sa dd_function_table::BeginCallList.
+    */
+   void (*EndCallList)( GLcontext *ctx );
+
+};
+
+
+/**
+ * Transform/Clip/Lighting interface
+ *
+ * Drivers present a reduced set of the functions possible in
+ * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
+ * remaining functions to map down to these entry points.
+ *
+ * These are the initial values to be installed into dispatch by
+ * mesa.  If the T&L driver wants to modify the dispatch table
+ * while installed, it must do so itself.  It would be possible for
+ * the vertexformat to install it's own initial values for these
+ * functions, but this way there is an obvious list of what is
+ * expected of the driver.
+ *
+ * If the driver wants to hook in entry points other than those
+ * listed, it must restore them to their original values in
+ * the disable() callback, below.
+ */
+typedef struct {
+   /**
+    * \name Vertex
+    */
+   /*@{*/
+   void (GLAPIENTRYP ArrayElement)( GLint ); /* NOTE */
+   void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP Color3fv)( const GLfloat * );
+   void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP Color4fv)( const GLfloat * );
+   void (GLAPIENTRYP EdgeFlag)( GLboolean );
+   void (GLAPIENTRYP EdgeFlagv)( const GLboolean * );
+   void (GLAPIENTRYP EvalCoord1f)( GLfloat );          /* NOTE */
+   void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * ); /* NOTE */
+   void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat ); /* NOTE */
+   void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * ); /* NOTE */
+   void (GLAPIENTRYP EvalPoint1)( GLint );             /* NOTE */
+   void (GLAPIENTRYP EvalPoint2)( GLint, GLint );      /* NOTE */
+   void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
+   void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
+   void (GLAPIENTRYP Indexf)( GLfloat );
+   void (GLAPIENTRYP Indexfv)( const GLfloat * );
+   void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */
+   void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
+   void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
+   void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
+   void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
+   void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
+   void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
+   void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP Normal3fv)( const GLfloat * );
+   void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
+   void (GLAPIENTRYP TexCoord1f)( GLfloat );
+   void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
+   void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
+   void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
+   void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
+   void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
+   void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
+   void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
+   void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
+   void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
+   void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
+   void (GLAPIENTRYP CallList)( GLuint );	/* NOTE */
+   void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );	/* NOTE */
+   void (GLAPIENTRYP Begin)( GLenum );
+   void (GLAPIENTRYP End)( void );
+   void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
+   void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
+   void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
+   void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
+   void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
+   void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
+   void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
+   void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
+   void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
+   void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
+   /*@}*/
+
+   /*
+    */
+   void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
+
+   /**
+    * \name Array
+    */
+   /*@{*/
+   void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
+   void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
+			 const GLvoid *indices );
+   void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
+			      GLuint end, GLsizei count,
+			      GLenum type, const GLvoid *indices );
+   /*@}*/
+
+   /**
+    * \name Eval
+    *
+    * If you don't support eval, fallback to the default vertex format
+    * on receiving an eval call and use the pipeline mechanism to
+    * provide partial T&L acceleration.
+    *
+    * Mesa will provide a set of helper functions to do eval within
+    * accelerated vertex formats, eventually...
+    */
+   /*@{*/
+   void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
+   void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
+   /*@}*/
+
+} GLvertexformat;
+
+
+#endif /* DD_INCLUDED */