Bring in DRI2 changes

This commit is contained in:
Alan Hourihane
2008-06-10 20:17:16 +01:00
parent bd92642100
commit 4566b006f1
33 changed files with 3720 additions and 3713 deletions

View File

@@ -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.
*/
@@ -305,42 +326,57 @@ struct __DRIdrawablePrivateRec {
drm_clip_rect_t *pBackClipRects;
/*@}*/
/**
* \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;
*/
/*@{*/
int64_t vblank_base;
int64_t msc_base;
/*@}*/
/**
* Pointer to context to which this drawable is currently bound.
*/
__DRIcontextPrivate *driContextPriv;
__DRIcontext *driContextPriv;
/**
* Pointer to screen on which this drawable was created.
*/
__DRIscreenPrivate *driScreenPriv;
__DRIscreen *driScreenPriv;
/**
* \name Display and screen information.
*
* Basically just need these for when the locking code needs to call
* \c __driUtilUpdateDrawableInfo.
* Controls swap interval as used by GLX_SGI_swap_control and
* GLX_MESA_swap_control.
*/
/*@{*/
__DRInativeDisplay *display;
int screen;
/*@}*/
/**
* Called via glXSwapBuffers().
*/
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).
@@ -499,66 +508,46 @@ 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;
/* 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(__DRIdrawablePrivate *pdp);
__driUtilUpdateDrawableInfo(__DRIdrawable *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 );
__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_ */