diff options
author | Ian Romanick <idr@us.ibm.com> | 2004-05-27 22:31:06 +0000 |
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committer | Ian Romanick <idr@us.ibm.com> | 2004-05-27 22:31:06 +0000 |
commit | b3981ab6e6762b4205ca5302d93be129f648a9cf (patch) | |
tree | a771880fa33d0382166438b3883cc3daac5d5519 /src/mesa/drivers/dri/dri_client/dri_util.h | |
parent | aaaf38d37215aa1536ff34ec370ecfc04111af22 (diff) |
Move dri_util.[ch] and glcontextmodes.[ch] from dri_client to common.
Diffstat (limited to 'src/mesa/drivers/dri/dri_client/dri_util.h')
-rw-r--r-- | src/mesa/drivers/dri/dri_client/dri_util.h | 588 |
1 files changed, 0 insertions, 588 deletions
diff --git a/src/mesa/drivers/dri/dri_client/dri_util.h b/src/mesa/drivers/dri/dri_client/dri_util.h deleted file mode 100644 index 5c198810f7..0000000000 --- a/src/mesa/drivers/dri/dri_client/dri_util.h +++ /dev/null @@ -1,588 +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_ - -#ifdef GLX_DIRECT_RENDERING - -#define CAPI /* XXX this should be globally defined somewhere */ - -#include <inttypes.h> -#include "glxclient.h" /* for GLXDrawable */ -/* temporary */ -/* typedef Bool ( * PFNGLXGETMSCRATEOMLPROC) (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator); */ -#include "drm.h" /* for drm_clip_rect_t */ -#include "sarea.h" /* for XF86DRISAREAPtr */ -#include "GL/internal/glcore.h" /* for __GLcontextModes */ - - -typedef struct __DRIdisplayPrivateRec __DRIdisplayPrivate; -typedef struct __DRIscreenPrivateRec __DRIscreenPrivate; -typedef struct __DRIcontextPrivateRec __DRIcontextPrivate; -typedef struct __DRIdrawablePrivateRec __DRIdrawablePrivate; -typedef struct __DRIswapInfoRec __DRIswapInfo; - - -/** - * 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); - - /** - * Full screen mode opening callback. - * - * \deprecated - * Full screen functionality is no longer used by DRI. Drivers should - * simply install a function returning \c GL_TRUE for backwards - * compatability. - * - * \todo - * Nothing calls this function anymore. Since this data structure is only - * accessed with in the driver (i.e., libGL never sees it), we need to - * remove the other cases that set this field and remove the field. - */ - GLboolean (*OpenFullScreen)(__DRIcontextPrivate *driContextPriv); - - /** - * Full screen mode closing callback. - * - * \deprecated - * Full screen functionality is no longer used by DRI. Drivers should - * simply install a function returning \c GL_TRUE for backwards - * compatability. - * - * \todo - * Nothing calls this function anymore. Since this data structure is only - * accessed with in the driver (i.e., libGL never sees it), we need to - * remove the other cases that set this field and remove the field. - */ - GLboolean (*CloseFullScreen)(__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*. - */ - uint64_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. - */ - uint64_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; -}; - - -typedef Bool (GetDrawableInfo)( Display *dpy, int scrn, Drawable 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 ); - - -/** - * Per-drawable private DRI driver information. - */ -struct __DRIdrawablePrivateRec { - /** - * Kernel drawable handle - */ - drmDrawable hHWDrawable; - - /** - * Driver's private drawable information. - * - * This structure is opaque. - */ - void *driverPrivate; - - /** - * X's drawable ID associated with this private drawable. - */ - GLXDrawable 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 - * __driUtilUpdateDrawableInfo() which calls XF86DRIGetDrawableInfo(). - */ - /*@{*/ - Display *display; - int screen; - /*@}*/ - - /** - * Called via glXSwapBuffers(). - */ - void (*swapBuffers)( __DRIdrawablePrivate *dPriv ); - - /** - * Get information about the location, size, and clip rects of the - * drawable within the display. - */ - GetDrawableInfo * getInfo; -}; - -/** - * Per-context private driver information. - */ -struct __DRIcontextPrivateRec { - /** - * Kernel context handle used to access the device lock. - */ - XID contextID; - - /** - * Kernel context handle used to access the device lock. - */ - drmContext hHWContext; - - /** - * Device driver's private context data. This structure is opaque. - */ - void *driverPrivate; - - /** - * This context's display pointer. - */ - Display *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 - */ - Display *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 - */ - XF86DRISAREAPtr 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; -}; - - - -extern void -__driUtilMessage(const char *f, ...); - - -extern void -__driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp); - - -extern __DRIscreenPrivate * __driUtilCreateNewScreen( Display *dpy, - int scrn, __DRIscreen *psc, __GLcontextModes * modes, - const __DRIversion * ddx_version, const __DRIversion * dri_version, - const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer, - drmAddress pSAREA, int fd, int internal_api_version, - const struct __DriverAPIRec *driverAPI ); - -extern __DRIscreenPrivate * -__driUtilCreateScreen(Display *dpy, int scrn, __DRIscreen *psc, - int numConfigs, __GLXvisualConfig *config, - const struct __DriverAPIRec *driverAPI); - -/* Test the version of the internal GLX API. Returns a value like strcmp. */ -extern int -driCompareGLXAPIVersion( GLuint required_version ); - -extern float -driCalculateSwapUsage( __DRIdrawablePrivate *dPriv, - int64_t last_swap_ust, int64_t current_ust ); - -#endif /* GLX_DIRECT_RENDERING */ - -#endif /* _DRI_UTIL_H_ */ |