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-rw-r--r--include/GL/internal/dri_interface.h485
-rw-r--r--include/GL/internal/glcore.h522
-rw-r--r--include/GL/internal/sarea.h94
3 files changed, 1101 insertions, 0 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
new file mode 100644
index 0000000..c204ecf
--- /dev/null
+++ b/include/GL/internal/dri_interface.h
@@ -0,0 +1,485 @@
+/*
+ * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+ * (C) Copyright IBM Corporation 2004
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 (including the next
+ * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS 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.
+ */
+
+/**
+ * \file dri_interface.h
+ *
+ * This file contains all the types and functions that define the interface
+ * between a DRI driver and driver loader. Currently, the most common driver
+ * loader is the XFree86 libGL.so. However, other loaders do exist, and in
+ * the future the server-side libglx.a will also be a loader.
+ *
+ * \author Kevin E. Martin <kevin@precisioninsight.com>
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#ifndef DRI_INTERFACE_H
+#define DRI_INTERFACE_H
+
+#include <GL/internal/glcore.h>
+#include <drm.h>
+
+/**
+ * \name DRI interface structures
+ *
+ * The following structures define the interface between the GLX client
+ * side library and the DRI (direct rendering infrastructure).
+ */
+/*@{*/
+typedef struct __DRIdisplayRec __DRIdisplay;
+typedef struct __DRIscreenRec __DRIscreen;
+typedef struct __DRIcontextRec __DRIcontext;
+typedef struct __DRIdrawableRec __DRIdrawable;
+typedef struct __DRIdriverRec __DRIdriver;
+typedef struct __DRIframebufferRec __DRIframebuffer;
+typedef struct __DRIversionRec __DRIversion;
+typedef struct __DRIinterfaceMethodsRec __DRIinterfaceMethods;
+typedef unsigned long __DRIid;
+typedef void __DRInativeDisplay;
+/*@}*/
+
+
+/**
+ * \name Functions provided by the driver loader.
+ */
+/*@{*/
+/**
+ * Type of a pointer to \c glXGetScreenDriver, as returned by
+ * \c glXGetProcAddress. This function is used to get the name of the DRI
+ * driver for the specified screen of the specified display. The driver
+ * name is typically used with \c glXGetDriverConfig.
+ *
+ * \sa glXGetScreenDriver, glXGetProcAddress, glXGetDriverConfig
+ */
+typedef const char * (* PFNGLXGETSCREENDRIVERPROC) (__DRInativeDisplay *dpy, int scrNum);
+
+/**
+ * Type of a pointer to \c glXGetDriverConfig, as returned by
+ * \c glXGetProcAddress. This function is used to get the XML document
+ * describing the configuration options available for the specified driver.
+ *
+ * \sa glXGetDriverConfig, glXGetProcAddress, glXGetScreenDriver
+ */
+typedef const char * (* PFNGLXGETDRIVERCONFIGPROC) (const char *driverName);
+
+/**
+ * Type of a pointer to \c glxEnableExtension, as returned by
+ * \c __DRIinterfaceMethods::getProcAddress. This function is used to enable
+ * a GLX extension on the specified screen.
+ */
+typedef void (* PFNGLXSCRENABLEEXTENSIONPROC) ( void *psc, const char * name );
+/*@}*/
+
+
+/**
+ * \name Functions and data provided by the driver.
+ */
+/*@{*/
+
+typedef void *(CREATENEWSCREENFUNC)(__DRInativeDisplay *dpy, int scrn,
+ __DRIscreen *psc, const __GLcontextModes * modes,
+ const __DRIversion * ddx_version, const __DRIversion * dri_version,
+ const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer,
+ void * pSAREA, int fd, int internal_api_version,
+ const __DRIinterfaceMethods * interface,
+ __GLcontextModes ** driver_modes);
+typedef CREATENEWSCREENFUNC* PFNCREATENEWSCREENFUNC;
+extern CREATENEWSCREENFUNC __driCreateNewScreen_20050727;
+
+
+/**
+ * XML document describing the configuration options supported by the
+ * driver.
+ */
+extern const char __driConfigOptions[];
+
+/*@}*/
+
+
+/**
+ * Stored version of some component (i.e., server-side DRI module, kernel-side
+ * DRM, etc.).
+ *
+ * \todo
+ * There are several data structures that explicitly store a major version,
+ * minor version, and patch level. These structures should be modified to
+ * have a \c __DRIversionRec instead.
+ */
+struct __DRIversionRec {
+ int major; /**< Major version number. */
+ int minor; /**< Minor version number. */
+ int patch; /**< Patch-level. */
+};
+
+
+typedef void (*__DRIfuncPtr)(void);
+
+struct __DRIinterfaceMethodsRec {
+ /**
+ * Get pointer to named function.
+ */
+ __DRIfuncPtr (*getProcAddress)( const char * proc_name );
+
+ /**
+ * Create a list of \c __GLcontextModes structures.
+ */
+ __GLcontextModes * (*createContextModes)(unsigned count,
+ size_t minimum_bytes_per_struct);
+
+ /**
+ * Destroy a list of \c __GLcontextModes structures.
+ *
+ * \todo
+ * Determine if the drivers actually need to call this.
+ */
+ void (*destroyContextModes)( __GLcontextModes * modes );
+
+ /**
+ * Get the \c __DRIscreen for a given display and screen number.
+ */
+ __DRIscreen *(*getScreen)(__DRInativeDisplay *dpy, int screenNum);
+
+
+ /**
+ * \name Client/server protocol functions.
+ *
+ * These functions implement the DRI client/server protocol for
+ * context and drawable operations. Platforms that do not implement
+ * the wire protocol (e.g., EGL) will implement glorified no-op functions.
+ */
+ /*@{*/
+ /**
+ * Determine if the specified window ID still exists.
+ *
+ * \note
+ * Implementations may assume that the driver will only pass an ID into
+ * this function that actually corresponds to a window. On
+ * implementations where windows can only be destroyed by the DRI driver
+ * (e.g., EGL), this function is allowed to always return \c GL_TRUE.
+ */
+ GLboolean (*windowExists)(__DRInativeDisplay *dpy, __DRIid draw);
+
+ /**
+ * Create the server-side portion of the GL context.
+ */
+ GLboolean (* createContext)( __DRInativeDisplay *dpy, int screenNum,
+ int configID, void * contextID, drm_context_t * hw_context );
+
+ /**
+ * Destroy the server-side portion of the GL context.
+ */
+ GLboolean (* destroyContext)( __DRInativeDisplay *dpy, int screenNum,
+ __DRIid context );
+
+ /**
+ * Create the server-side portion of the drawable.
+ */
+ GLboolean (*createDrawable)( __DRInativeDisplay * ndpy, int screen,
+ __DRIid drawable, drm_drawable_t * hHWDrawable );
+
+ /**
+ * Destroy the server-side portion of the drawable.
+ */
+ GLboolean (*destroyDrawable)( __DRInativeDisplay * ndpy, int screen,
+ __DRIid drawable );
+
+ /**
+ * This function is used to get information about the position, size, and
+ * clip rects of a drawable.
+ */
+ GLboolean (* getDrawableInfo) ( __DRInativeDisplay *dpy, int scrn,
+ __DRIid draw, unsigned int * index, unsigned int * stamp,
+ int * x, int * y, int * width, int * height,
+ int * numClipRects, drm_clip_rect_t ** pClipRects,
+ int * backX, int * backY,
+ int * numBackClipRects, drm_clip_rect_t ** pBackClipRects );
+ /*@}*/
+
+
+ /**
+ * \name Timing related functions.
+ */
+ /*@{*/
+ /**
+ * Get the 64-bit unadjusted system time (UST).
+ */
+ int (*getUST)(int64_t * ust);
+
+ /**
+ * Get the media stream counter (MSC) rate.
+ *
+ * Matching the definition in GLX_OML_sync_control, this function returns
+ * the rate of the "media stream counter". In practical terms, this is
+ * the frame refresh rate of the display.
+ */
+ GLboolean (*getMSCRate)(__DRInativeDisplay * dpy, __DRIid drawable,
+ int32_t * numerator, int32_t * denominator);
+ /*@}*/
+};
+
+
+/**
+ * Framebuffer information record. Used by libGL to communicate information
+ * about the framebuffer to the driver's \c __driCreateNewScreen function.
+ *
+ * In XFree86, most of this information is derrived from data returned by
+ * calling \c XF86DRIGetDeviceInfo.
+ *
+ * \sa XF86DRIGetDeviceInfo __DRIdisplayRec::createNewScreen
+ * __driUtilCreateNewScreen CallCreateNewScreen
+ *
+ * \bug This structure could be better named.
+ */
+struct __DRIframebufferRec {
+ unsigned char *base; /**< Framebuffer base address in the CPU's
+ * address space. This value is calculated by
+ * calling \c drmMap on the framebuffer handle
+ * returned by \c XF86DRIGetDeviceInfo (or a
+ * similar function).
+ */
+ int size; /**< Framebuffer size, in bytes. */
+ int stride; /**< Number of bytes from one line to the next. */
+ int width; /**< Pixel width of the framebuffer. */
+ int height; /**< Pixel height of the framebuffer. */
+ int dev_priv_size; /**< Size of the driver's dev-priv structure. */
+ void *dev_priv; /**< Pointer to the driver's dev-priv structure. */
+};
+
+
+/**
+ * Screen dependent methods. This structure is initialized during the
+ * \c __DRIdisplayRec::createScreen call.
+ */
+struct __DRIscreenRec {
+ /**
+ * Method to destroy the private DRI screen data.
+ */
+ void (*destroyScreen)(__DRInativeDisplay *dpy, int scrn, void *screenPrivate);
+
+ /**
+ * Method to create the private DRI drawable data and initialize the
+ * drawable dependent methods.
+ */
+ void *(*createNewDrawable)(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
+ __DRIid draw, __DRIdrawable *pdraw,
+ int renderType, const int *attrs);
+
+ /**
+ * Method to return a pointer to the DRI drawable data.
+ */
+ __DRIdrawable *(*getDrawable)(__DRInativeDisplay *dpy, __DRIid draw,
+ void *drawablePrivate);
+
+ /**
+ * Opaque pointer to private per screen direct rendering data. \c NULL
+ * if direct rendering is not supported on this screen. Never
+ * dereferenced in libGL.
+ */
+ void *private;
+
+ /**
+ * Get the number of vertical refreshes since some point in time before
+ * this function was first called (i.e., system start up).
+ *
+ * \since Internal API version 20030317.
+ */
+ int (*getMSC)( void *screenPrivate, int64_t *msc );
+
+ /**
+ * Opaque pointer that points back to the containing
+ * \c __GLXscreenConfigs. This data structure is shared with DRI drivers
+ * but \c __GLXscreenConfigs is not. However, they are needed by some GLX
+ * functions called by DRI drivers.
+ *
+ * \since Internal API version 20030813.
+ */
+ void *screenConfigs;
+
+ /**
+ * Functions associated with MESA_allocate_memory.
+ *
+ * \since Internal API version 20030815.
+ */
+ /*@{*/
+ void *(*allocateMemory)(__DRInativeDisplay *dpy, int scrn, GLsizei size,
+ GLfloat readfreq, GLfloat writefreq,
+ GLfloat priority);
+
+ void (*freeMemory)(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer);
+
+ GLuint (*memoryOffset)(__DRInativeDisplay *dpy, int scrn, const GLvoid *pointer);
+ /*@}*/
+
+ /**
+ * Method to create the private DRI context data and initialize the
+ * context dependent methods.
+ *
+ * \since Internal API version 20031201.
+ */
+ void * (*createNewContext)(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
+ int render_type,
+ void *sharedPrivate, __DRIcontext *pctx);
+};
+
+/**
+ * Context dependent methods. This structure is initialized during the
+ * \c __DRIscreenRec::createContext call.
+ */
+struct __DRIcontextRec {
+ /**
+ * Method to destroy the private DRI context data.
+ */
+ void (*destroyContext)(__DRInativeDisplay *dpy, int scrn, void *contextPrivate);
+
+ /**
+ * Opaque pointer to private per context direct rendering data.
+ * \c NULL if direct rendering is not supported on the display or
+ * screen used to create this context. Never dereferenced in libGL.
+ */
+ void *private;
+
+ /**
+ * Pointer to the mode used to create this context.
+ *
+ * \since Internal API version 20040317.
+ */
+ const __GLcontextModes * mode;
+
+ /**
+ * Method to bind a DRI drawable to a DRI graphics context.
+ *
+ * \since Internal API version 20050727.
+ */
+ GLboolean (*bindContext)(__DRInativeDisplay *dpy, int scrn, __DRIid draw,
+ __DRIid read, __DRIcontext *ctx);
+
+ /**
+ * Method to unbind a DRI drawable from a DRI graphics context.
+ *
+ * \since Internal API version 20050727.
+ */
+ GLboolean (*unbindContext)(__DRInativeDisplay *dpy, int scrn, __DRIid draw,
+ __DRIid read, __DRIcontext *ctx);
+};
+
+/**
+ * Drawable dependent methods. This structure is initialized during the
+ * \c __DRIscreenRec::createDrawable call. \c createDrawable is not called
+ * by libGL at this time. It's currently used via the dri_util.c utility code
+ * instead.
+ */
+struct __DRIdrawableRec {
+ /**
+ * Method to destroy the private DRI drawable data.
+ */
+ void (*destroyDrawable)(__DRInativeDisplay *dpy, void *drawablePrivate);
+
+ /**
+ * Method to swap the front and back buffers.
+ */
+ void (*swapBuffers)(__DRInativeDisplay *dpy, void *drawablePrivate);
+
+ /**
+ * Opaque pointer to private per drawable direct rendering data.
+ * \c NULL if direct rendering is not supported on the display or
+ * screen used to create this drawable. Never dereferenced in libGL.
+ */
+ void *private;
+
+ /**
+ * Get the number of completed swap buffers for this drawable.
+ *
+ * \since Internal API version 20030317.
+ */
+ int (*getSBC)(__DRInativeDisplay *dpy, void *drawablePrivate, int64_t *sbc );
+
+ /**
+ * Wait for the SBC to be greater than or equal target_sbc.
+ *
+ * \since Internal API version 20030317.
+ */
+ int (*waitForSBC)( __DRInativeDisplay * dpy, void *drawablePriv,
+ int64_t target_sbc,
+ int64_t * msc, int64_t * sbc );
+
+ /**
+ * Wait for the MSC to equal target_msc, or, if that has already passed,
+ * the next time (MSC % divisor) is equal to remainder. If divisor is
+ * zero, the function will return as soon as MSC is greater than or equal
+ * to target_msc.
+ *
+ * \since Internal API version 20030317.
+ */
+ int (*waitForMSC)( __DRInativeDisplay * dpy, void *drawablePriv,
+ int64_t target_msc, int64_t divisor, int64_t remainder,
+ int64_t * msc, int64_t * sbc );
+
+ /**
+ * Like \c swapBuffers, but does NOT have an implicit \c glFlush. Once
+ * rendering is complete, waits until MSC is equal to target_msc, or
+ * if that has already passed, waits until (MSC % divisor) is equal
+ * to remainder. If divisor is zero, the swap will happen as soon as
+ * MSC is greater than or equal to target_msc.
+ *
+ * \since Internal API version 20030317.
+ */
+ int64_t (*swapBuffersMSC)(__DRInativeDisplay *dpy, void *drawablePrivate,
+ int64_t target_msc,
+ int64_t divisor, int64_t remainder);
+
+ /**
+ * Enable or disable frame usage tracking.
+ *
+ * \since Internal API version 20030317.
+ */
+ int (*frameTracking)(__DRInativeDisplay *dpy, void *drawablePrivate, GLboolean enable);
+
+ /**
+ * Retrieve frame usage information.
+ *
+ * \since Internal API version 20030317.
+ */
+ int (*queryFrameTracking)(__DRInativeDisplay *dpy, void *drawablePrivate,
+ int64_t * sbc, int64_t * missedFrames,
+ float * lastMissedUsage, float * usage );
+
+ /**
+ * Used by drivers that implement the GLX_SGI_swap_control or
+ * GLX_MESA_swap_control extension.
+ *
+ * \since Internal API version 20030317.
+ */
+ unsigned swap_interval;
+
+ /**
+ * Used by drivers that implement the GLX_MESA_copy_sub_buffer extension.
+ *
+ * \since Internal API version 20060314.
+ */
+ void (*copySubBuffer)(__DRInativeDisplay *dpy, void *drawablePrivate,
+ int x, int y, int w, int h);
+};
+
+#endif
diff --git a/include/GL/internal/glcore.h b/include/GL/internal/glcore.h
new file mode 100644
index 0000000..d5cbd3b
--- /dev/null
+++ b/include/GL/internal/glcore.h
@@ -0,0 +1,522 @@
+/* $XFree86: xc/lib/GL/include/GL/internal/glcore.h,v 1.7 2001/03/25 05:32:00 tsi Exp $ */
+#ifndef __gl_core_h_
+#define __gl_core_h_
+
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+
+#ifndef XFree86LOADER
+#include <sys/types.h>
+#endif
+
+#ifdef CAPI
+#undef CAPI
+#endif
+#define CAPI
+
+#define GL_CORE_SGI 1
+#define GL_CORE_MESA 2
+#define GL_CORE_APPLE 4
+
+typedef struct __GLcontextRec __GLcontext;
+typedef struct __GLinterfaceRec __GLinterface;
+
+/*
+** This file defines the interface between the GL core and the surrounding
+** "operating system" that supports it (currently the GLX or WGL extensions).
+**
+** Members (data and function pointers) are documented as imported or
+** exported according to how they are used by the core rendering functions.
+** Imported members are initialized by the "operating system" and used by
+** the core functions. Exported members are initialized by the core functions
+** and used by the "operating system".
+*/
+
+/**
+ * Mode and limit information for a context. This information is
+ * kept around in the context so that values can be used during
+ * command execution, and for returning information about the
+ * context to the application.
+ *
+ * Instances of this structure are shared by the driver and the loader. To
+ * maintain binary compatability, new fields \b must be added only to the
+ * end of the structure.
+ *
+ * \sa _gl_context_modes_create
+ */
+typedef struct __GLcontextModesRec {
+ struct __GLcontextModesRec * next;
+
+ GLboolean rgbMode;
+ GLboolean floatMode;
+ GLboolean colorIndexMode;
+ GLuint doubleBufferMode;
+ GLuint stereoMode;
+
+ GLboolean haveAccumBuffer;
+ GLboolean haveDepthBuffer;
+ GLboolean haveStencilBuffer;
+
+ GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */
+ GLuint redMask, greenMask, blueMask, alphaMask;
+ GLint rgbBits; /* total bits for rgb */
+ GLint indexBits; /* total bits for colorindex */
+
+ GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
+ GLint depthBits;
+ GLint stencilBits;
+
+ GLint numAuxBuffers;
+
+ GLint level;
+
+ GLint pixmapMode;
+
+ /* GLX */
+ GLint visualID;
+ GLint visualType; /**< One of the GLX X visual types. (i.e.,
+ * \c GLX_TRUE_COLOR, etc.)
+ */
+
+ /* EXT_visual_rating / GLX 1.2 */
+ GLint visualRating;
+
+ /* EXT_visual_info / GLX 1.2 */
+ GLint transparentPixel;
+ /* colors are floats scaled to ints */
+ GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
+ GLint transparentIndex;
+
+ /* ARB_multisample / SGIS_multisample */
+ GLint sampleBuffers;
+ GLint samples;
+
+ /* SGIX_fbconfig / GLX 1.3 */
+ GLint drawableType;
+ GLint renderType;
+ GLint xRenderable;
+ GLint fbconfigID;
+
+ /* SGIX_pbuffer / GLX 1.3 */
+ GLint maxPbufferWidth;
+ GLint maxPbufferHeight;
+ GLint maxPbufferPixels;
+ GLint optimalPbufferWidth; /* Only for SGIX_pbuffer. */
+ GLint optimalPbufferHeight; /* Only for SGIX_pbuffer. */
+
+ /* SGIX_visual_select_group */
+ GLint visualSelectGroup;
+
+ /* OML_swap_method */
+ GLint swapMethod;
+
+ GLint screen;
+
+ /* EXT_texture_from_pixmap */
+ GLint bindToTextureRgb;
+ GLint bindToTextureRgba;
+ GLint bindToMipmapTexture;
+ GLint bindToTextureTargets;
+ GLint yInverted;
+} __GLcontextModes;
+
+/* Several fields of __GLcontextModes can take these as values. Since
+ * GLX header files may not be available everywhere they need to be used,
+ * redefine them here.
+ */
+#define GLX_NONE 0x8000
+#define GLX_SLOW_CONFIG 0x8001
+#define GLX_TRUE_COLOR 0x8002
+#define GLX_DIRECT_COLOR 0x8003
+#define GLX_PSEUDO_COLOR 0x8004
+#define GLX_STATIC_COLOR 0x8005
+#define GLX_GRAY_SCALE 0x8006
+#define GLX_STATIC_GRAY 0x8007
+#define GLX_TRANSPARENT_RGB 0x8008
+#define GLX_TRANSPARENT_INDEX 0x8009
+#define GLX_NON_CONFORMANT_CONFIG 0x800D
+#define GLX_SWAP_EXCHANGE_OML 0x8061
+#define GLX_SWAP_COPY_OML 0x8062
+#define GLX_SWAP_UNDEFINED_OML 0x8063
+
+#define GLX_DONT_CARE 0xFFFFFFFF
+
+#define GLX_RGBA_BIT 0x00000001
+#define GLX_COLOR_INDEX_BIT 0x00000002
+#define GLX_WINDOW_BIT 0x00000001
+#define GLX_PIXMAP_BIT 0x00000002
+#define GLX_PBUFFER_BIT 0x00000004
+
+#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
+#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
+#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
+#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
+#define GLX_Y_INVERTED_EXT 0x20D4
+
+#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
+#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
+#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
+
+
+/************************************************************************/
+
+/*
+** Structure used for allocating and freeing drawable private memory.
+** (like software buffers, for example).
+**
+** The memory allocation routines are provided by the surrounding
+** "operating system" code, and they are to be used for allocating
+** software buffers and things which are associated with the drawable,
+** and used by any context which draws to that drawable. There are
+** separate memory allocation functions for drawables and contexts
+** since drawables and contexts can be created and destroyed independently
+** of one another, and the "operating system" may want to use separate
+** allocation arenas for each.
+**
+** The freePrivate function is filled in by the core routines when they
+** allocates software buffers, and stick them in "private". The freePrivate
+** function will destroy anything allocated to this drawable (to be called
+** when the drawable is destroyed).
+*/
+typedef struct __GLdrawableRegionRec __GLdrawableRegion;
+typedef struct __GLdrawableBufferRec __GLdrawableBuffer;
+typedef struct __GLdrawablePrivateRec __GLdrawablePrivate;
+
+typedef struct __GLregionRectRec {
+ /* lower left (inside the rectangle) */
+ GLint x0, y0;
+ /* upper right (outside the rectangle) */
+ GLint x1, y1;
+} __GLregionRect;
+
+struct __GLdrawableRegionRec {
+ GLint numRects;
+ __GLregionRect *rects;
+ __GLregionRect boundingRect;
+};
+
+/************************************************************************/
+
+/* masks for the buffers */
+#define __GL_FRONT_BUFFER_MASK 0x00000001
+#define __GL_FRONT_LEFT_BUFFER_MASK 0x00000001
+#define __GL_FRONT_RIGHT_BUFFER_MASK 0x00000002
+#define __GL_BACK_BUFFER_MASK 0x00000004
+#define __GL_BACK_LEFT_BUFFER_MASK 0x00000004
+#define __GL_BACK_RIGHT_BUFFER_MASK 0x00000008
+#define __GL_ACCUM_BUFFER_MASK 0x00000010
+#define __GL_DEPTH_BUFFER_MASK 0x00000020
+#define __GL_STENCIL_BUFFER_MASK 0x00000040
+#define __GL_AUX_BUFFER_MASK(i) (0x0000080 << (i))
+
+#define __GL_ALL_BUFFER_MASK 0xffffffff
+
+/* what Resize routines return if resize resorted to fallback case */
+#define __GL_BUFFER_FALLBACK 0x10
+
+typedef void (*__GLbufFallbackInitFn)(__GLdrawableBuffer *buf,
+ __GLdrawablePrivate *glPriv, GLint bits);
+typedef void (*__GLbufMainInitFn)(__GLdrawableBuffer *buf,
+ __GLdrawablePrivate *glPriv, GLint bits,
+ __GLbufFallbackInitFn back);
+
+/*
+** A drawable buffer
+**
+** This data structure describes the context side of a drawable.
+**
+** According to the spec there could be multiple contexts bound to the same
+** drawable at the same time (from different threads). In order to avoid
+** multiple-access conflicts, locks are used to serialize access. When a
+** thread needs to access (read or write) a member of the drawable, it takes
+** a lock first. Some of the entries in the drawable are treated "mostly
+** constant", so we take the freedom of allowing access to them without
+** taking a lock (for optimization reasons).
+**
+** For more details regarding locking, see buffers.h in the GL core
+*/
+struct __GLdrawableBufferRec {
+ /*
+ ** Buffer dimensions
+ */
+ GLint width, height, depth;
+
+ /*
+ ** Framebuffer base address
+ */
+ void *base;
+
+ /*
+ ** Framebuffer size (in bytes)
+ */
+ GLuint size;
+
+ /*
+ ** Size (in bytes) of each element in the framebuffer
+ */
+ GLuint elementSize;
+ GLuint elementSizeLog2;
+
+ /*
+ ** Element skip from one scanline to the next.
+ ** If the buffer is part of another buffer (for example, fullscreen
+ ** front buffer), outerWidth is the width of that buffer.
+ */
+ GLint outerWidth;
+
+ /*
+ ** outerWidth * elementSize
+ */
+ GLint byteWidth;
+
+ /*
+ ** Allocation/deallocation is done based on this handle. A handle
+ ** is conceptually different from the framebuffer 'base'.
+ */
+ void *handle;
+
+ /* imported */
+ GLboolean (*resize)(__GLdrawableBuffer *buf,
+ GLint x, GLint y, GLuint width, GLuint height,
+ __GLdrawablePrivate *glPriv, GLuint bufferMask);
+ void (*lock)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
+ void (*unlock)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
+ void (*fill)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv,
+ GLuint val, GLint x, GLint y, GLint w, GLint h);
+ void (*free)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
+
+ /* exported */
+ void (*freePrivate)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
+#ifdef __cplusplus
+ void *privatePtr;
+#else
+ void *private;
+#endif
+
+ /* private */
+ void *other; /* implementation private data */
+ __GLbufMainInitFn mainInit;
+ __GLbufFallbackInitFn fallbackInit;
+};
+
+/*
+** The context side of the drawable private
+*/
+struct __GLdrawablePrivateRec {
+ /*
+ ** Drawable Modes
+ */
+ __GLcontextModes *modes;
+
+ /*
+ ** Drawable size
+ */
+ GLuint width, height;
+
+ /*
+ ** Origin in screen coordinates of the drawable
+ */
+ GLint xOrigin, yOrigin;
+#ifdef __GL_ALIGNED_BUFFERS
+ /*
+ ** Drawable offset from screen origin
+ */
+ GLint xOffset, yOffset;
+
+ /*
+ ** Alignment restriction
+ */
+ GLint xAlignment, yAlignment;
+#endif
+ /*
+ ** Should we invert the y axis?
+ */
+ GLint yInverted;
+
+ /*
+ ** Mask specifying which buffers are renderable by the hw
+ */
+ GLuint accelBufferMask;
+
+ /*
+ ** the buffers themselves
+ */
+ __GLdrawableBuffer frontBuffer;
+ __GLdrawableBuffer backBuffer;
+ __GLdrawableBuffer accumBuffer;
+ __GLdrawableBuffer depthBuffer;
+ __GLdrawableBuffer stencilBuffer;
+#if defined(__GL_NUMBER_OF_AUX_BUFFERS) && (__GL_NUMBER_OF_AUX_BUFFERS > 0)
+ __GLdrawableBuffer *auxBuffer;
+#endif
+
+ __GLdrawableRegion ownershipRegion;
+
+ /*
+ ** Lock for the drawable private structure
+ */
+ void *lock;
+#ifdef DEBUG
+ /* lock debugging info */
+ int lockRefCount;
+ int lockLine[10];
+ char *lockFile[10];
+#endif
+
+ /* imported */
+ void *(*malloc)(size_t size);
+ void *(*calloc)(size_t numElem, size_t elemSize);
+ void *(*realloc)(void *oldAddr, size_t newSize);
+ void (*free)(void *addr);
+
+ GLboolean (*addSwapRect)(__GLdrawablePrivate *glPriv,
+ GLint x, GLint y, GLsizei width, GLsizei height);
+ void (*setClipRect)(__GLdrawablePrivate *glPriv,
+ GLint x, GLint y, GLsizei width, GLsizei height);
+ void (*updateClipRegion)(__GLdrawablePrivate *glPriv);
+ GLboolean (*resize)(__GLdrawablePrivate *glPriv);
+ void (*getDrawableSize)(__GLdrawablePrivate *glPriv,
+ GLint *x, GLint *y, GLuint *width, GLuint *height);
+
+ void (*lockDP)(__GLdrawablePrivate *glPriv, __GLcontext *gc);
+ void (*unlockDP)(__GLdrawablePrivate *glPriv);
+
+ /* exported */
+#ifdef __cplusplus
+ void *privatePtr;
+#else
+ void *private;
+#endif
+ void (*freePrivate)(__GLdrawablePrivate *);
+
+ /* client data */
+ void *other;
+};
+
+/*
+** Macros to lock/unlock the drawable private
+*/
+#if defined(DEBUG)
+#define __GL_LOCK_DP(glPriv,gc) \
+ (*(glPriv)->lockDP)(glPriv,gc); \
+ (glPriv)->lockLine[(glPriv)->lockRefCount] = __LINE__; \
+ (glPriv)->lockFile[(glPriv)->lockRefCount] = __FILE__; \
+ (glPriv)->lockRefCount++
+#define __GL_UNLOCK_DP(glPriv) \
+ (glPriv)->lockRefCount--; \
+ (glPriv)->lockLine[(glPriv)->lockRefCount] = 0; \
+ (glPriv)->lockFile[(glPriv)->lockRefCount] = NULL; \
+ (*(glPriv)->unlockDP)(glPriv)
+#else /* DEBUG */
+#define __GL_LOCK_DP(glPriv,gc) (*(glPriv)->lockDP)(glPriv,gc)
+#define __GL_UNLOCK_DP(glPriv) (*(glPriv)->unlockDP)(glPriv)
+#endif /* DEBUG */
+
+
+/*
+** Procedures which are imported by the GL from the surrounding
+** "operating system". Math functions are not considered part of the
+** "operating system".
+*/
+typedef struct __GLimportsRec {
+ /* Memory management */
+ void * (*malloc)(__GLcontext *gc, size_t size);
+ void *(*calloc)(__GLcontext *gc, size_t numElem, size_t elemSize);
+ void *(*realloc)(__GLcontext *gc, void *oldAddr, size_t newSize);
+ void (*free)(__GLcontext *gc, void *addr);
+
+ /* Error handling */
+ void (*warning)(__GLcontext *gc, char *fmt);
+ void (*fatal)(__GLcontext *gc, char *fmt);
+
+ /* other system calls */
+ char *(CAPI *getenv)(__GLcontext *gc, const char *var);
+ int (CAPI *atoi)(__GLcontext *gc, const char *str);
+ int (CAPI *sprintf)(__GLcontext *gc, char *str, const char *fmt, ...);
+ void *(CAPI *fopen)(__GLcontext *gc, const char *path, const char *mode);
+ int (CAPI *fclose)(__GLcontext *gc, void *stream);
+ int (CAPI *fprintf)(__GLcontext *gc, void *stream, const char *fmt, ...);
+
+ /* Drawing surface management */
+ __GLdrawablePrivate *(*getDrawablePrivate)(__GLcontext *gc);
+ __GLdrawablePrivate *(*getReadablePrivate)(__GLcontext *gc);
+
+ /* Operating system dependent data goes here */
+ void *other;
+} __GLimports;
+
+/************************************************************************/
+
+/*
+** Procedures which are exported by the GL to the surrounding "operating
+** system" so that it can manage multiple GL context's.
+*/
+typedef struct __GLexportsRec {
+ /* Context management (return GL_FALSE on failure) */
+ GLboolean (*destroyContext)(__GLcontext *gc);
+ GLboolean (*loseCurrent)(__GLcontext *gc);
+ /* oldglPriv isn't used anymore, kept for backwards compatibility */
+ GLboolean (*makeCurrent)(__GLcontext *gc);
+ GLboolean (*shareContext)(__GLcontext *gc, __GLcontext *gcShare);
+ GLboolean (*copyContext)(__GLcontext *dst, const __GLcontext *src, GLuint mask);
+ GLboolean (*forceCurrent)(__GLcontext *gc);
+
+ /* Drawing surface notification callbacks */
+ GLboolean (*notifyResize)(__GLcontext *gc);
+ void (*notifyDestroy)(__GLcontext *gc);
+ void (*notifySwapBuffers)(__GLcontext *gc);
+
+ /* Dispatch table override control for external agents like libGLS */
+ struct __GLdispatchStateRec* (*dispatchExec)(__GLcontext *gc);
+ void (*beginDispatchOverride)(__GLcontext *gc);
+ void (*endDispatchOverride)(__GLcontext *gc);
+} __GLexports;
+
+/************************************************************************/
+
+/*
+** This must be the first member of a __GLcontext structure. This is the
+** only part of a context that is exposed to the outside world; everything
+** else is opaque.
+*/
+struct __GLinterfaceRec {
+ __GLimports imports;
+ __GLexports exports;
+};
+
+extern __GLcontext *__glCoreCreateContext(__GLimports *, __GLcontextModes *);
+extern void __glCoreNopDispatch(void);
+
+#endif /* __gl_core_h_ */
diff --git a/include/GL/internal/sarea.h b/include/GL/internal/sarea.h
new file mode 100644
index 0000000..77c16e0
--- /dev/null
+++ b/include/GL/internal/sarea.h
@@ -0,0 +1,94 @@
+/* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh Exp $ */
+/**
+ * \file sarea.h
+ * SAREA definitions.
+ *
+ * \author Kevin E. Martin <kevin@precisioninsight.com>
+ * \author Jens Owen <jens@tungstengraphics.com>
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ */
+
+/*
+ * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+ */
+
+/* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh Exp $ */
+
+#ifndef _SAREA_H_
+#define _SAREA_H_
+
+#include "xf86drm.h"
+
+/* SAREA area needs to be at least a page */
+#if defined(__alpha__)
+#define SAREA_MAX 0x2000
+#elif defined(__ia64__)
+#define SAREA_MAX 0x10000 /* 64kB */
+#else
+/* Intel 830M driver needs at least 8k SAREA */
+#define SAREA_MAX 0x2000
+#endif
+
+#define SAREA_MAX_DRAWABLES 256
+
+#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
+
+/**
+ * SAREA per drawable information.
+ *
+ * \sa _XF86DRISAREA.
+ */
+typedef struct _XF86DRISAREADrawable {
+ unsigned int stamp;
+ unsigned int flags;
+} XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr;
+
+/**
+ * SAREA frame information.
+ *
+ * \sa _XF86DRISAREA.
+ */
+typedef struct _XF86DRISAREAFrame {
+ unsigned int x;
+ unsigned int y;
+ unsigned int width;
+ unsigned int height;
+ unsigned int fullscreen;
+} XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr;
+
+/**
+ * SAREA definition.
+ */
+typedef struct _XF86DRISAREA {
+ /** first thing is always the DRM locking structure */
+ drmLock lock;
+ /** \todo Use readers/writer lock for drawable_lock */
+ drmLock drawable_lock;
+ XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES];
+ XF86DRISAREAFrameRec frame;
+ drm_context_t dummy_context;
+} XF86DRISAREARec, *XF86DRISAREAPtr;
+
+#endif