diff options
Diffstat (limited to 'src/mesa/drivers/dri/common/dri_util.h')
| -rw-r--r-- | src/mesa/drivers/dri/common/dri_util.h | 319 |
1 files changed, 154 insertions, 165 deletions
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h index 027cb7f461..f2bc456307 100644 --- a/src/mesa/drivers/dri/common/dri_util.h +++ b/src/mesa/drivers/dri/common/dri_util.h @@ -1,3 +1,24 @@ +/** + * \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. @@ -23,46 +44,37 @@ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/** - * \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> - */ #ifndef _DRI_UTIL_H_ #define _DRI_UTIL_H_ #include <GL/gl.h> -#include "drm.h" -#include "drm_sarea.h" -#include "xf86drm.h" +#include <drm.h> +#include <drm_sarea.h> +#include <xf86drm.h> #include "GL/internal/glcore.h" #include "GL/internal/dri_interface.h" +#include "GL/internal/dri_sarea.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; +/* Typedefs to avoid rewriting the world. */ +typedef struct __DRIscreenRec __DRIscreenPrivate; +typedef struct __DRIdrawableRec __DRIdrawablePrivate; +typedef struct __DRIcontextRec __DRIcontextPrivate; + +/** + * Extensions. + */ +extern const __DRIlegacyExtension driLegacyExtension; +extern const __DRIcoreExtension driCoreExtension; +extern const __DRIextension driReadDrawableExtension; +extern const __DRIcopySubBufferExtension driCopySubBufferExtension; +extern const __DRIswapControlExtension driSwapControlExtension; +extern const __DRIframeTrackingExtension driFrameTrackingExtension; +extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension; /** * Used by DRI_VALIDATE_DRAWABLE_INFO @@ -78,7 +90,7 @@ typedef struct __DRIutilversionRec2 __DRIutilversion2; /** * Utility macro to validate the drawable information. * - * See __DRIdrawablePrivate::pStamp and __DRIdrawablePrivate::lastStamp. + * See __DRIdrawable::pStamp and __DRIdrawable::lastStamp. */ #define DRI_VALIDATE_DRAWABLE_INFO(psp, pdp) \ do { \ @@ -107,94 +119,103 @@ do { \ * this structure. */ struct __DriverAPIRec { - /** - * Driver initialization callback - */ - GLboolean (*InitDriver)(__DRIscreenPrivate *driScrnPriv); - + const __DRIconfig **(*InitScreen) (__DRIscreen * priv); + /** * Screen destruction callback */ - void (*DestroyScreen)(__DRIscreenPrivate *driScrnPriv); + void (*DestroyScreen)(__DRIscreen *driScrnPriv); /** * Context creation callback */ GLboolean (*CreateContext)(const __GLcontextModes *glVis, - __DRIcontextPrivate *driContextPriv, + __DRIcontext *driContextPriv, void *sharedContextPrivate); /** * Context destruction callback */ - void (*DestroyContext)(__DRIcontextPrivate *driContextPriv); + void (*DestroyContext)(__DRIcontext *driContextPriv); /** * Buffer (drawable) creation callback */ - GLboolean (*CreateBuffer)(__DRIscreenPrivate *driScrnPriv, - __DRIdrawablePrivate *driDrawPriv, + GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv, + __DRIdrawable *driDrawPriv, const __GLcontextModes *glVis, GLboolean pixmapBuffer); /** * Buffer (drawable) destruction callback */ - void (*DestroyBuffer)(__DRIdrawablePrivate *driDrawPriv); + void (*DestroyBuffer)(__DRIdrawable *driDrawPriv); /** * Buffer swapping callback */ - void (*SwapBuffers)(__DRIdrawablePrivate *driDrawPriv); + void (*SwapBuffers)(__DRIdrawable *driDrawPriv); /** * Context activation callback */ - GLboolean (*MakeCurrent)(__DRIcontextPrivate *driContextPriv, - __DRIdrawablePrivate *driDrawPriv, - __DRIdrawablePrivate *driReadPriv); + GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv, + __DRIdrawable *driDrawPriv, + __DRIdrawable *driReadPriv); /** * Context unbinding callback */ - GLboolean (*UnbindContext)(__DRIcontextPrivate *driContextPriv); + GLboolean (*UnbindContext)(__DRIcontext *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 ); - + int (*GetSwapInfo)( __DRIdrawable *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, + int (*WaitForMSC)( __DRIdrawable *priv, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t * msc ); - int (*WaitForSBC)( __DRIdrawablePrivate *priv, int64_t target_sbc, + int (*WaitForSBC)( __DRIdrawable *priv, int64_t target_sbc, int64_t * msc, int64_t * sbc ); - int64_t (*SwapBuffersMSC)( __DRIdrawablePrivate *priv, int64_t target_msc, + int64_t (*SwapBuffersMSC)( __DRIdrawable *priv, int64_t target_msc, int64_t divisor, int64_t remainder ); /*@}*/ - void (*CopySubBuffer)(__DRIdrawablePrivate *driDrawPriv, + void (*CopySubBuffer)(__DRIdrawable *driDrawPriv, int x, int y, int w, int h); /** - * See corresponding field in \c __DRIscreenRec. + * New version of GetMSC so we can pass drawable data to the low + * level DRM driver (e.g. pipe info). Required if + * GLX_SGI_video_sync or GLX_OML_sync_control is supported. */ - void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname, - unsigned long long offset, GLint depth, GLuint pitch); + int (*GetDrawableMSC) ( __DRIscreen * priv, + __DRIdrawable *drawablePrivate, + int64_t *count); + + + + /* DRI2 Entry points */ + const __DRIconfig **(*InitScreen2) (__DRIscreen * priv); + void (*HandleDrawableConfig)(__DRIdrawable *dPriv, + __DRIcontext *pcp, + __DRIDrawableConfigEvent *event); + + void (*HandleBufferAttach)(__DRIdrawable *dPriv, + __DRIcontext *pcp, + __DRIBufferAttachEvent *ba); + }; +extern const struct __DriverAPIRec driDriverAPI; + struct __DRIswapInfoRec { /** @@ -230,7 +251,7 @@ struct __DRIswapInfoRec { /** * Per-drawable private DRI driver information. */ -struct __DRIdrawablePrivateRec { +struct __DRIdrawableRec { /** * Kernel drawable handle */ @@ -244,10 +265,10 @@ struct __DRIdrawablePrivateRec { void *driverPrivate; /** - * X's drawable ID associated with this private drawable. + * Private data from the loader. We just hold on to it and pass + * it back when calling into loader provided functions. */ - __DRIid draw; - __DRIdrawable *pdraw; + void *loaderPrivate; /** * Reference count for number of context's currently bound to this @@ -272,7 +293,7 @@ struct __DRIdrawablePrivateRec { /** * Last value of the stamp. * - * If this differs from the value stored at __DRIdrawablePrivate::pStamp, + * If this differs from the value stored at __DRIdrawable::pStamp, * then the drawable information has been modified by the X server, and the * drawable information (below) should be retrieved from the X server. */ @@ -306,41 +327,56 @@ struct __DRIdrawablePrivateRec { /*@}*/ /** - * Pointer to context to which this drawable is currently bound. + * \name Vertical blank tracking information + * Used for waiting on vertical blank events. */ - __DRIcontextPrivate *driContextPriv; + /*@{*/ + unsigned int vblSeq; + unsigned int vblFlags; + /*@}*/ /** - * Pointer to screen on which this drawable was created. + * \name Monotonic MSC tracking + * + * Low level driver is responsible for updating msc_base and + * vblSeq values so that higher level code can calculate + * a new msc value or msc target for a WaitMSC call. The new value + * will be: + * msc = msc_base + get_vblank_count() - vblank_base; + * + * And for waiting on a value, core code will use: + * actual_target = target_msc - msc_base + vblank_base; + */ + /*@{*/ + int64_t vblank_base; + int64_t msc_base; + /*@}*/ + + /** + * Pointer to context to which this drawable is currently bound. */ - __DRIscreenPrivate *driScreenPriv; + __DRIcontext *driContextPriv; /** - * \name Display and screen information. - * - * Basically just need these for when the locking code needs to call - * \c __driUtilUpdateDrawableInfo. + * Pointer to screen on which this drawable was created. */ - /*@{*/ - __DRInativeDisplay *display; - int screen; - /*@}*/ + __DRIscreen *driScreenPriv; /** - * Called via glXSwapBuffers(). + * Controls swap interval as used by GLX_SGI_swap_control and + * GLX_MESA_swap_control. */ - void (*swapBuffers)( __DRIdrawablePrivate *dPriv ); + unsigned int swap_interval; + struct { + unsigned int tail; + unsigned int drawable_id; + } dri2; }; /** * Per-context private driver information. */ -struct __DRIcontextPrivateRec { - /** - * Kernel context handle used to access the device lock. - */ - __DRIid contextID; - +struct __DRIcontextRec { /** * Kernel context handle used to access the device lock. */ @@ -352,35 +388,30 @@ struct __DRIcontextPrivateRec { void *driverPrivate; /** - * This context's display pointer. + * Pointer back to the \c __DRIcontext that contains this structure. */ - __DRInativeDisplay *display; + __DRIcontext *pctx; /** * Pointer to drawable currently bound to this context for drawing. */ - __DRIdrawablePrivate *driDrawablePriv; + __DRIdrawable *driDrawablePriv; /** * Pointer to drawable currently bound to this context for reading. */ - __DRIdrawablePrivate *driReadablePriv; + __DRIdrawable *driReadablePriv; /** * Pointer to screen on which this context was created. */ - __DRIscreenPrivate *driScreenPriv; + __DRIscreen *driScreenPriv; }; /** * Per-screen private driver information. */ -struct __DRIscreenPrivateRec { - /** - * Display for this screen - */ - __DRInativeDisplay *display; - +struct __DRIscreenRec { /** * Current screen's number */ @@ -391,38 +422,21 @@ struct __DRIscreenPrivateRec { */ struct __DriverAPIRec DriverAPI; + const __DRIextension **extensions; /** - * \name DDX version * DDX / 2D driver version information. - * \todo Replace these fields with a \c __DRIversionRec. */ - /*@{*/ - int ddxMajor; - int ddxMinor; - int ddxPatch; - /*@}*/ + __DRIversion ddx_version; /** - * \name DRI version * DRI X extension version information. - * \todo Replace these fields with a \c __DRIversionRec. */ - /*@{*/ - int driMajor; - int driMinor; - int driPatch; - /*@}*/ + __DRIversion dri_version; /** - * \name DRM version * DRM (kernel module) version information. - * \todo Replace these fields with a \c __DRIversionRec. */ - /*@{*/ - int drmMajor; - int drmMinor; - int drmPatch; - /*@}*/ + __DRIversion drm_version; /** * ID used when the client sets the drawable lock. @@ -485,12 +499,7 @@ struct __DRIscreenPrivateRec { * 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; + __DRIcontext dummyContextPriv; /** * Device-dependent private information (not stored in the SAREA). @@ -500,65 +509,45 @@ struct __DRIscreenPrivateRec { 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. */ + /* Extensions provided by the loader. */ + const __DRIgetDrawableInfoExtension *getDrawableInfo; + const __DRIsystemTimeExtension *systemTime; + const __DRIdamageExtension *damage; + + struct { + /* Flag to indicate that this is a DRI2 screen. Many of the above + * fields will not be valid or initializaed in that case. */ + int enabled; + drmBO sareaBO; + void *sarea; + __DRIEventBuffer *buffer; + __DRILock *lock; + __DRIloaderExtension *loader; + } dri2; + + /* The lock actually in use, old sarea or DRI2 */ + drmLock *lock; }; - 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 ); +__driUtilUpdateDrawableInfo(__DRIdrawable *pdp); -/* Test the version of the internal GLX API. Returns a value like strcmp. */ extern int -driCompareGLXAPIVersion( GLint required_version ); +__driParseEvents(__DRIcontext *psp, __DRIdrawable *pdp); extern float -driCalculateSwapUsage( __DRIdrawablePrivate *dPriv, +driCalculateSwapUsage( __DRIdrawable *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; +extern GLint +driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ); #endif /* _DRI_UTIL_H_ */ |