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, 165 insertions, 154 deletions
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h index f2bc456307..027cb7f461 100644 --- a/src/mesa/drivers/dri/common/dri_util.h +++ b/src/mesa/drivers/dri/common/dri_util.h @@ -1,24 +1,3 @@ -/** - * \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. @@ -44,37 +23,46 @@ * 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 @@ -90,7 +78,7 @@ extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension; /** * Utility macro to validate the drawable information. * - * See __DRIdrawable::pStamp and __DRIdrawable::lastStamp. + * See __DRIdrawablePrivate::pStamp and __DRIdrawablePrivate::lastStamp. */ #define DRI_VALIDATE_DRAWABLE_INFO(psp, pdp) \ do { \ @@ -119,103 +107,94 @@ do { \ * this structure. */ struct __DriverAPIRec { - const __DRIconfig **(*InitScreen) (__DRIscreen * priv); - + /** + * Driver initialization callback + */ + GLboolean (*InitDriver)(__DRIscreenPrivate *driScrnPriv); + /** * Screen destruction callback */ - void (*DestroyScreen)(__DRIscreen *driScrnPriv); + void (*DestroyScreen)(__DRIscreenPrivate *driScrnPriv); /** * Context creation callback */ GLboolean (*CreateContext)(const __GLcontextModes *glVis, - __DRIcontext *driContextPriv, + __DRIcontextPrivate *driContextPriv, void *sharedContextPrivate); /** * Context destruction callback */ - void (*DestroyContext)(__DRIcontext *driContextPriv); + void (*DestroyContext)(__DRIcontextPrivate *driContextPriv); /** * Buffer (drawable) creation callback */ - GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv, - __DRIdrawable *driDrawPriv, + GLboolean (*CreateBuffer)(__DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, const __GLcontextModes *glVis, GLboolean pixmapBuffer); /** * Buffer (drawable) destruction callback */ - void (*DestroyBuffer)(__DRIdrawable *driDrawPriv); + void (*DestroyBuffer)(__DRIdrawablePrivate *driDrawPriv); /** * Buffer swapping callback */ - void (*SwapBuffers)(__DRIdrawable *driDrawPriv); + void (*SwapBuffers)(__DRIdrawablePrivate *driDrawPriv); /** * Context activation callback */ - GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv, - __DRIdrawable *driDrawPriv, - __DRIdrawable *driReadPriv); + GLboolean (*MakeCurrent)(__DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv); /** * Context unbinding callback */ - GLboolean (*UnbindContext)(__DRIcontext *driContextPriv); + 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)( __DRIdrawable *dPriv, __DRIswapInfo * sInfo ); + 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)( __DRIdrawable *priv, int64_t target_msc, + int (*WaitForMSC)( __DRIdrawablePrivate *priv, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t * msc ); - int (*WaitForSBC)( __DRIdrawable *priv, int64_t target_sbc, + int (*WaitForSBC)( __DRIdrawablePrivate *priv, int64_t target_sbc, int64_t * msc, int64_t * sbc ); - int64_t (*SwapBuffersMSC)( __DRIdrawable *priv, int64_t target_msc, + int64_t (*SwapBuffersMSC)( __DRIdrawablePrivate *priv, int64_t target_msc, int64_t divisor, int64_t remainder ); /*@}*/ - void (*CopySubBuffer)(__DRIdrawable *driDrawPriv, + void (*CopySubBuffer)(__DRIdrawablePrivate *driDrawPriv, int x, int y, int w, int h); /** - * 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. + * See corresponding field in \c __DRIscreenRec. */ - 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); - + void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname, + unsigned long long offset, GLint depth, GLuint pitch); }; -extern const struct __DriverAPIRec driDriverAPI; - struct __DRIswapInfoRec { /** @@ -251,7 +230,7 @@ struct __DRIswapInfoRec { /** * Per-drawable private DRI driver information. */ -struct __DRIdrawableRec { +struct __DRIdrawablePrivateRec { /** * Kernel drawable handle */ @@ -265,10 +244,10 @@ struct __DRIdrawableRec { void *driverPrivate; /** - * Private data from the loader. We just hold on to it and pass - * it back when calling into loader provided functions. + * X's drawable ID associated with this private drawable. */ - void *loaderPrivate; + __DRIid draw; + __DRIdrawable *pdraw; /** * Reference count for number of context's currently bound to this @@ -293,7 +272,7 @@ struct __DRIdrawableRec { /** * Last value of the stamp. * - * If this differs from the value stored at __DRIdrawable::pStamp, + * 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. */ @@ -327,56 +306,41 @@ struct __DRIdrawableRec { /*@}*/ /** - * \name Vertical blank tracking information - * Used for waiting on vertical blank events. - */ - /*@{*/ - unsigned int vblSeq; - unsigned int vblFlags; - /*@}*/ - - /** - * \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; + * Pointer to context to which this drawable is currently bound. */ - /*@{*/ - int64_t vblank_base; - int64_t msc_base; - /*@}*/ + __DRIcontextPrivate *driContextPriv; /** - * Pointer to context to which this drawable is currently bound. + * Pointer to screen on which this drawable was created. */ - __DRIcontext *driContextPriv; + __DRIscreenPrivate *driScreenPriv; /** - * Pointer to screen on which this drawable was created. + * \name Display and screen information. + * + * Basically just need these for when the locking code needs to call + * \c __driUtilUpdateDrawableInfo. */ - __DRIscreen *driScreenPriv; + /*@{*/ + __DRInativeDisplay *display; + int screen; + /*@}*/ /** - * Controls swap interval as used by GLX_SGI_swap_control and - * GLX_MESA_swap_control. + * Called via glXSwapBuffers(). */ - unsigned int swap_interval; - struct { - unsigned int tail; - unsigned int drawable_id; - } dri2; + void (*swapBuffers)( __DRIdrawablePrivate *dPriv ); }; /** * Per-context private driver information. */ -struct __DRIcontextRec { +struct __DRIcontextPrivateRec { + /** + * Kernel context handle used to access the device lock. + */ + __DRIid contextID; + /** * Kernel context handle used to access the device lock. */ @@ -388,30 +352,35 @@ struct __DRIcontextRec { void *driverPrivate; /** - * Pointer back to the \c __DRIcontext that contains this structure. + * This context's display pointer. */ - __DRIcontext *pctx; + __DRInativeDisplay *display; /** * Pointer to drawable currently bound to this context for drawing. */ - __DRIdrawable *driDrawablePriv; + __DRIdrawablePrivate *driDrawablePriv; /** * Pointer to drawable currently bound to this context for reading. */ - __DRIdrawable *driReadablePriv; + __DRIdrawablePrivate *driReadablePriv; /** * Pointer to screen on which this context was created. */ - __DRIscreen *driScreenPriv; + __DRIscreenPrivate *driScreenPriv; }; /** * Per-screen private driver information. */ -struct __DRIscreenRec { +struct __DRIscreenPrivateRec { + /** + * Display for this screen + */ + __DRInativeDisplay *display; + /** * Current screen's number */ @@ -422,21 +391,38 @@ struct __DRIscreenRec { */ struct __DriverAPIRec DriverAPI; - const __DRIextension **extensions; /** + * \name DDX version * DDX / 2D driver version information. + * \todo Replace these fields with a \c __DRIversionRec. */ - __DRIversion ddx_version; + /*@{*/ + int ddxMajor; + int ddxMinor; + int ddxPatch; + /*@}*/ /** + * \name DRI version * DRI X extension version information. + * \todo Replace these fields with a \c __DRIversionRec. */ - __DRIversion dri_version; + /*@{*/ + int driMajor; + int driMinor; + int driPatch; + /*@}*/ /** + * \name DRM version * DRM (kernel module) version information. + * \todo Replace these fields with a \c __DRIversionRec. */ - __DRIversion drm_version; + /*@{*/ + int drmMajor; + int drmMinor; + int drmPatch; + /*@}*/ /** * ID used when the client sets the drawable lock. @@ -499,7 +485,12 @@ struct __DRIscreenRec { * context is created when the first "real" context is created on this * screen. */ - __DRIcontext dummyContextPriv; + __DRIcontextPrivate dummyContextPriv; + + /** + * Hash table to hold the drawable information for this screen. + */ + void *drawHash; /** * Device-dependent private information (not stored in the SAREA). @@ -509,45 +500,65 @@ struct __DRIscreenRec { 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; +}; - /* 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; + +/** + * 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(__DRIdrawable *pdp); +__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 -__driParseEvents(__DRIcontext *psp, __DRIdrawable *pdp); +driCompareGLXAPIVersion( GLint required_version ); extern float -driCalculateSwapUsage( __DRIdrawable *dPriv, +driCalculateSwapUsage( __DRIdrawablePrivate *dPriv, int64_t last_swap_ust, int64_t current_ust ); -extern GLint -driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ); +/** + * 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_ */ |