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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/common/dri_util.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/common/dri_util.h | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/dri_util.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/dri_util.h deleted file mode 100644 index b9b38f39c..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/dri_util.h +++ /dev/null @@ -1,555 +0,0 @@ -/* $XFree86: xc/lib/GL/dri/dri_util.h,v 1.1 2002/02/22 21:32:52 dawes Exp $ */ -/** - * \file dri_util.h - * DRI utility functions definitions. - * - * This module acts as glue between GLX and the actual hardware driver. A DRI - * driver doesn't really \e have to use any of this - it's optional. But, some - * useful stuff is done here that otherwise would have to be duplicated in most - * drivers. - * - * Basically, these utility functions take care of some of the dirty details of - * screen initialization, context creation, context binding, DRM setup, etc. - * - * These functions are compiled into each DRI driver so libGL.so knows nothing - * about them. - * - * \sa dri_util.c. - * - * \author Kevin E. Martin <kevin@precisioninsight.com> - * \author Brian Paul <brian@precisioninsight.com> - */ - -/* - * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. - * 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. - */ - - -#ifndef _DRI_UTIL_H_ -#define _DRI_UTIL_H_ - -#define CAPI /* XXX this should be globally defined somewhere */ - -#include <GL/gl.h> -#include "drm.h" -#include "drm_sarea.h" -#include "xf86drm.h" -#include "GL/internal/glcore.h" -#include "GL/internal/dri_interface.h" - -#define GLX_BAD_CONTEXT 5 - -typedef struct __DRIdisplayPrivateRec __DRIdisplayPrivate; -typedef struct __DRIscreenPrivateRec __DRIscreenPrivate; -typedef struct __DRIcontextPrivateRec __DRIcontextPrivate; -typedef struct __DRIdrawablePrivateRec __DRIdrawablePrivate; -typedef struct __DRIswapInfoRec __DRIswapInfo; -typedef struct __DRIutilversionRec2 __DRIutilversion2; - - -/** - * Used by DRI_VALIDATE_DRAWABLE_INFO - */ -#define DRI_VALIDATE_DRAWABLE_INFO_ONCE(pDrawPriv) \ - do { \ - if (*(pDrawPriv->pStamp) != pDrawPriv->lastStamp) { \ - __driUtilUpdateDrawableInfo(pDrawPriv); \ - } \ - } while (0) - - -/** - * Utility macro to validate the drawable information. - * - * See __DRIdrawablePrivate::pStamp and __DRIdrawablePrivate::lastStamp. - */ -#define DRI_VALIDATE_DRAWABLE_INFO(psp, pdp) \ -do { \ - while (*(pdp->pStamp) != pdp->lastStamp) { \ - DRM_UNLOCK(psp->fd, &psp->pSAREA->lock, \ - pdp->driContextPriv->hHWContext); \ - \ - DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); \ - DRI_VALIDATE_DRAWABLE_INFO_ONCE(pdp); \ - DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); \ - \ - DRM_LIGHT_LOCK(psp->fd, &psp->pSAREA->lock, \ - pdp->driContextPriv->hHWContext); \ - } \ -} while (0) - - -/** - * Driver callback functions. - * - * Each DRI driver must have one of these structures with all the pointers set - * to appropriate functions within the driver. - * - * When glXCreateContext() is called, for example, it'll call a helper function - * dri_util.c which in turn will jump through the \a CreateContext pointer in - * this structure. - */ -struct __DriverAPIRec { - /** - * Driver initialization callback - */ - GLboolean (*InitDriver)(__DRIscreenPrivate *driScrnPriv); - - /** - * Screen destruction callback - */ - void (*DestroyScreen)(__DRIscreenPrivate *driScrnPriv); - - /** - * Context creation callback - */ - GLboolean (*CreateContext)(const __GLcontextModes *glVis, - __DRIcontextPrivate *driContextPriv, - void *sharedContextPrivate); - - /** - * Context destruction callback - */ - void (*DestroyContext)(__DRIcontextPrivate *driContextPriv); - - /** - * Buffer (drawable) creation callback - */ - GLboolean (*CreateBuffer)(__DRIscreenPrivate *driScrnPriv, - __DRIdrawablePrivate *driDrawPriv, - const __GLcontextModes *glVis, - GLboolean pixmapBuffer); - - /** - * Buffer (drawable) destruction callback - */ - void (*DestroyBuffer)(__DRIdrawablePrivate *driDrawPriv); - - /** - * Buffer swapping callback - */ - void (*SwapBuffers)(__DRIdrawablePrivate *driDrawPriv); - - /** - * Context activation callback - */ - GLboolean (*MakeCurrent)(__DRIcontextPrivate *driContextPriv, - __DRIdrawablePrivate *driDrawPriv, - __DRIdrawablePrivate *driReadPriv); - - /** - * Context unbinding callback - */ - GLboolean (*UnbindContext)(__DRIcontextPrivate *driContextPriv); - - /** - * Retrieves statistics about buffer swap operations. Required if - * GLX_OML_sync_control or GLX_MESA_swap_frame_usage is supported. - */ - int (*GetSwapInfo)( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ); - - - /** - * Required if GLX_SGI_video_sync or GLX_OML_sync_control is - * supported. - */ - int (*GetMSC)( __DRIscreenPrivate * priv, int64_t * count ); - - /** - * These are required if GLX_OML_sync_control is supported. - */ - /*@{*/ - int (*WaitForMSC)( __DRIdrawablePrivate *priv, int64_t target_msc, - int64_t divisor, int64_t remainder, - int64_t * msc ); - int (*WaitForSBC)( __DRIdrawablePrivate *priv, int64_t target_sbc, - int64_t * msc, int64_t * sbc ); - - int64_t (*SwapBuffersMSC)( __DRIdrawablePrivate *priv, int64_t target_msc, - int64_t divisor, int64_t remainder ); - /*@}*/ -}; - - -struct __DRIswapInfoRec { - /** - * Number of swapBuffers operations that have been *completed*. - */ - u_int64_t swap_count; - - /** - * Unadjusted system time of the last buffer swap. This is the time - * when the swap completed, not the time when swapBuffers was called. - */ - int64_t swap_ust; - - /** - * Number of swap operations that occurred after the swap deadline. That - * is if a swap happens more than swap_interval frames after the previous - * swap, it has missed its deadline. If swap_interval is 0, then the - * swap deadline is 1 frame after the previous swap. - */ - u_int64_t swap_missed_count; - - /** - * Amount of time used by the last swap that missed its deadline. This - * is calculated as (__glXGetUST() - swap_ust) / (swap_interval * - * time_for_single_vrefresh)). If the actual value of swap_interval is - * 0, then 1 is used instead. If swap_missed_count is non-zero, this - * should be greater-than 1.0. - */ - float swap_missed_usage; -}; - - -/** - * Per-drawable private DRI driver information. - */ -struct __DRIdrawablePrivateRec { - /** - * Kernel drawable handle - */ - drm_drawable_t hHWDrawable; - - /** - * Driver's private drawable information. - * - * This structure is opaque. - */ - void *driverPrivate; - - /** - * X's drawable ID associated with this private drawable. - */ - __DRIid draw; - __DRIdrawable *pdraw; - - /** - * Reference count for number of context's currently bound to this - * drawable. - * - * Once it reaches zero, the drawable can be destroyed. - * - * \note This behavior will change with GLX 1.3. - */ - int refcount; - - /** - * Index of this drawable information in the SAREA. - */ - unsigned int index; - - /** - * Pointer to the "drawable has changed ID" stamp in the SAREA. - */ - unsigned int *pStamp; - - /** - * Last value of the stamp. - * - * If this differs from the value stored at __DRIdrawablePrivate::pStamp, - * then the drawable information has been modified by the X server, and the - * drawable information (below) should be retrieved from the X server. - */ - unsigned int lastStamp; - - /** - * \name Drawable - * - * Drawable information used in software fallbacks. - */ - /*@{*/ - int x; - int y; - int w; - int h; - int numClipRects; - drm_clip_rect_t *pClipRects; - /*@}*/ - - /** - * \name Back and depthbuffer - * - * Information about the back and depthbuffer where different from above. - */ - /*@{*/ - int backX; - int backY; - int backClipRectType; - int numBackClipRects; - drm_clip_rect_t *pBackClipRects; - /*@}*/ - - /** - * Pointer to context to which this drawable is currently bound. - */ - __DRIcontextPrivate *driContextPriv; - - /** - * Pointer to screen on which this drawable was created. - */ - __DRIscreenPrivate *driScreenPriv; - - /** - * \name Display and screen information. - * - * Basically just need these for when the locking code needs to call - * \c __driUtilUpdateDrawableInfo. - */ - /*@{*/ - __DRInativeDisplay *display; - int screen; - /*@}*/ - - /** - * Called via glXSwapBuffers(). - */ - void (*swapBuffers)( __DRIdrawablePrivate *dPriv ); -}; - -/** - * Per-context private driver information. - */ -struct __DRIcontextPrivateRec { - /** - * Kernel context handle used to access the device lock. - */ - __DRIid contextID; - - /** - * Kernel context handle used to access the device lock. - */ - drm_context_t hHWContext; - - /** - * Device driver's private context data. This structure is opaque. - */ - void *driverPrivate; - - /** - * This context's display pointer. - */ - __DRInativeDisplay *display; - - /** - * Pointer to drawable currently bound to this context. - */ - __DRIdrawablePrivate *driDrawablePriv; - - /** - * Pointer to screen on which this context was created. - */ - __DRIscreenPrivate *driScreenPriv; -}; - -/** - * Per-screen private driver information. - */ -struct __DRIscreenPrivateRec { - /** - * Display for this screen - */ - __DRInativeDisplay *display; - - /** - * Current screen's number - */ - int myNum; - - /** - * Callback functions into the hardware-specific DRI driver code. - */ - struct __DriverAPIRec DriverAPI; - - /** - * \name DDX version - * DDX / 2D driver version information. - * \todo Replace these fields with a \c __DRIversionRec. - */ - /*@{*/ - int ddxMajor; - int ddxMinor; - int ddxPatch; - /*@}*/ - - /** - * \name DRI version - * DRI X extension version information. - * \todo Replace these fields with a \c __DRIversionRec. - */ - /*@{*/ - int driMajor; - int driMinor; - int driPatch; - /*@}*/ - - /** - * \name DRM version - * DRM (kernel module) version information. - * \todo Replace these fields with a \c __DRIversionRec. - */ - /*@{*/ - int drmMajor; - int drmMinor; - int drmPatch; - /*@}*/ - - /** - * ID used when the client sets the drawable lock. - * - * The X server uses this value to detect if the client has died while - * holding the drawable lock. - */ - int drawLockID; - - /** - * File descriptor returned when the kernel device driver is opened. - * - * Used to: - * - authenticate client to kernel - * - map the frame buffer, SAREA, etc. - * - close the kernel device driver - */ - int fd; - - /** - * SAREA pointer - * - * Used to access: - * - the device lock - * - the device-independent per-drawable and per-context(?) information - */ - drm_sarea_t *pSAREA; - - /** - * \name Direct frame buffer access information - * Used for software fallbacks. - */ - /*@{*/ - unsigned char *pFB; - int fbSize; - int fbOrigin; - int fbStride; - int fbWidth; - int fbHeight; - int fbBPP; - /*@}*/ - - /** - * \name Device-dependent private information (stored in the SAREA). - * - * This data is accessed by the client driver only. - */ - /*@{*/ - void *pDevPriv; - int devPrivSize; - /*@}*/ - - /** - * Dummy context to which drawables are bound when not bound to any - * other context. - * - * A dummy hHWContext is created for this context, and is used by the GL - * core when a hardware lock is required but the drawable is not currently - * bound (e.g., potentially during a SwapBuffers request). The dummy - * context is created when the first "real" context is created on this - * screen. - */ - __DRIcontextPrivate dummyContextPriv; - - /** - * Hash table to hold the drawable information for this screen. - */ - void *drawHash; - - /** - * Device-dependent private information (not stored in the SAREA). - * - * This pointer is never touched by the DRI layer. - */ - void *private; - - /** - * GLX visuals / FBConfigs for this screen. These are stored as a - * linked list. - * - * \note - * This field is \b only used in conjunction with the old interfaces. If - * the new interfaces are used, this field will be set to \c NULL and will - * not be dereferenced. - */ - __GLcontextModes *modes; - - /** - * Pointer back to the \c __DRIscreen that contains this structure. - */ - - __DRIscreen *psc; -}; - - -/** - * Used to store a version which includes a major range instead of a single - * major version number. - */ -struct __DRIutilversionRec2 { - int major_min; /** min allowed Major version number. */ - int major_max; /** max allowed Major version number. */ - int minor; /**< Minor version number. */ - int patch; /**< Patch-level. */ -}; - - -extern void -__driUtilMessage(const char *f, ...); - - -extern void -__driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp); - - -extern __DRIscreenPrivate * __driUtilCreateNewScreen( __DRInativeDisplay *dpy, - int scrn, __DRIscreen *psc, __GLcontextModes * modes, - const __DRIversion * ddx_version, const __DRIversion * dri_version, - const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer, - drm_sarea_t *pSAREA, int fd, int internal_api_version, - const struct __DriverAPIRec *driverAPI ); - -/* Test the version of the internal GLX API. Returns a value like strcmp. */ -extern int -driCompareGLXAPIVersion( GLint required_version ); - -extern float -driCalculateSwapUsage( __DRIdrawablePrivate *dPriv, - int64_t last_swap_ust, int64_t current_ust ); - -/** - * Pointer to the \c __DRIinterfaceMethods passed to the driver by the loader. - * - * This pointer is set in the driver's \c __driCreateNewScreen function and - * is defined in dri_util.c. - */ -extern const __DRIinterfaceMethods * dri_interface; - -#endif /* _DRI_UTIL_H_ */ |