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

@@ -1,5 +1,6 @@
/*
* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2007-2008 Red Hat, Inc.
* (C) Copyright IBM Corporation 2004
* All Rights Reserved.
*
@@ -33,12 +34,12 @@
*
* \author Kevin E. Martin <kevin@precisioninsight.com>
* \author Ian Romanick <idr@us.ibm.com>
* \author Kristian Høgsberg <krh@redhat.com>
*/
#ifndef DRI_INTERFACE_H
#define DRI_INTERFACE_H
#include <GL/internal/glcore.h>
#include <drm.h>
/**
@@ -48,65 +49,190 @@
* side library and the DRI (direct rendering infrastructure).
*/
/*@{*/
typedef struct __DRIdisplayRec __DRIdisplay;
typedef struct __DRIscreenRec __DRIscreen;
typedef struct __DRIcontextRec __DRIcontext;
typedef struct __DRIdrawableRec __DRIdrawable;
typedef struct __DRIdriverRec __DRIdriver;
typedef struct __DRIframebufferRec __DRIframebuffer;
typedef struct __DRIversionRec __DRIversion;
typedef struct __DRIinterfaceMethodsRec __DRIinterfaceMethods;
typedef unsigned long __DRIid;
typedef void __DRInativeDisplay;
typedef struct __DRIdisplayRec __DRIdisplay;
typedef struct __DRIscreenRec __DRIscreen;
typedef struct __DRIcontextRec __DRIcontext;
typedef struct __DRIdrawableRec __DRIdrawable;
typedef struct __DRIconfigRec __DRIconfig;
typedef struct __DRIframebufferRec __DRIframebuffer;
typedef struct __DRIversionRec __DRIversion;
typedef struct __DRIcoreExtensionRec __DRIcoreExtension;
typedef struct __DRIextensionRec __DRIextension;
typedef struct __DRIcopySubBufferExtensionRec __DRIcopySubBufferExtension;
typedef struct __DRIswapControlExtensionRec __DRIswapControlExtension;
typedef struct __DRIallocateExtensionRec __DRIallocateExtension;
typedef struct __DRIframeTrackingExtensionRec __DRIframeTrackingExtension;
typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension;
typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension;
typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension;
typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension;
typedef struct __DRIswrastExtensionRec __DRIswrastExtension;
/*@}*/
/**
* \name Functions provided by the driver loader.
*/
/*@{*/
/**
* Type of a pointer to \c glXGetScreenDriver, as returned by
* \c glXGetProcAddress. This function is used to get the name of the DRI
* driver for the specified screen of the specified display. The driver
* name is typically used with \c glXGetDriverConfig.
* Extension struct. Drivers 'inherit' from this struct by embedding
* it as the first element in the extension struct.
*
* \sa glXGetScreenDriver, glXGetProcAddress, glXGetDriverConfig
*/
typedef const char * (* PFNGLXGETSCREENDRIVERPROC) (__DRInativeDisplay *dpy, int scrNum);
/**
* Type of a pointer to \c glXGetDriverConfig, as returned by
* \c glXGetProcAddress. This function is used to get the XML document
* describing the configuration options available for the specified driver.
* We never break API in for a DRI extension. If we need to change
* the way things work in a non-backwards compatible manner, we
* introduce a new extension. During a transition period, we can
* leave both the old and the new extension in the driver, which
* allows us to move to the new interface without having to update the
* loader(s) in lock step.
*
* \sa glXGetDriverConfig, glXGetProcAddress, glXGetScreenDriver
* However, we can add entry points to an extension over time as long
* as we don't break the old ones. As we add entry points to an
* extension, we increase the version number. The corresponding
* #define can be used to guard code that accesses the new entry
* points at compile time and the version field in the extension
* struct can be used at run-time to determine how to use the
* extension.
*/
typedef const char * (* PFNGLXGETDRIVERCONFIGPROC) (const char *driverName);
struct __DRIextensionRec {
const char *name;
int version;
};
/**
* Type of a pointer to \c glxEnableExtension, as returned by
* \c __DRIinterfaceMethods::getProcAddress. This function is used to enable
* a GLX extension on the specified screen.
* The first set of extension are the screen extensions, returned by
* __DRIcore::getExtensions(). This entry point will return a list of
* extensions and the loader can use the ones it knows about by
* casting them to more specific extensions and advertising any GLX
* extensions the DRI extensions enables.
*/
typedef void (* PFNGLXSCRENABLEEXTENSIONPROC) ( void *psc, const char * name );
/*@}*/
/**
* Used by drivers to indicate support for setting the read drawable.
*/
#define __DRI_READ_DRAWABLE "DRI_ReadDrawable"
#define __DRI_READ_DRAWABLE_VERSION 1
/**
* Used by drivers that implement the GLX_MESA_copy_sub_buffer extension.
*/
#define __DRI_COPY_SUB_BUFFER "DRI_CopySubBuffer"
#define __DRI_COPY_SUB_BUFFER_VERSION 1
struct __DRIcopySubBufferExtensionRec {
__DRIextension base;
void (*copySubBuffer)(__DRIdrawable *drawable, int x, int y, int w, int h);
};
/**
* Used by drivers that implement the GLX_SGI_swap_control or
* GLX_MESA_swap_control extension.
*/
#define __DRI_SWAP_CONTROL "DRI_SwapControl"
#define __DRI_SWAP_CONTROL_VERSION 1
struct __DRIswapControlExtensionRec {
__DRIextension base;
void (*setSwapInterval)(__DRIdrawable *drawable, unsigned int inteval);
unsigned int (*getSwapInterval)(__DRIdrawable *drawable);
};
/**
* Used by drivers that implement the GLX_MESA_allocate_memory.
*/
#define __DRI_ALLOCATE "DRI_Allocate"
#define __DRI_ALLOCATE_VERSION 1
struct __DRIallocateExtensionRec {
__DRIextension base;
void *(*allocateMemory)(__DRIscreen *screen, GLsizei size,
GLfloat readfreq, GLfloat writefreq,
GLfloat priority);
void (*freeMemory)(__DRIscreen *screen, GLvoid *pointer);
GLuint (*memoryOffset)(__DRIscreen *screen, const GLvoid *pointer);
};
/**
* Used by drivers that implement the GLX_MESA_swap_frame_usage extension.
*/
#define __DRI_FRAME_TRACKING "DRI_FrameTracking"
#define __DRI_FRAME_TRACKING_VERSION 1
struct __DRIframeTrackingExtensionRec {
__DRIextension base;
/**
* Enable or disable frame usage tracking.
*
* \since Internal API version 20030317.
*/
int (*frameTracking)(__DRIdrawable *drawable, GLboolean enable);
/**
* Retrieve frame usage information.
*
* \since Internal API version 20030317.
*/
int (*queryFrameTracking)(__DRIdrawable *drawable,
int64_t * sbc, int64_t * missedFrames,
float * lastMissedUsage, float * usage);
};
/**
* \name Functions and data provided by the driver.
* Used by drivers that implement the GLX_SGI_video_sync extension.
*/
/*@{*/
#define __DRI_MEDIA_STREAM_COUNTER "DRI_MediaStreamCounter"
#define __DRI_MEDIA_STREAM_COUNTER_VERSION 1
struct __DRImediaStreamCounterExtensionRec {
__DRIextension base;
typedef void *(CREATENEWSCREENFUNC)(__DRInativeDisplay *dpy, int scrn,
__DRIscreen *psc, const __GLcontextModes * modes,
const __DRIversion * ddx_version, const __DRIversion * dri_version,
const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer,
void * pSAREA, int fd, int internal_api_version,
const __DRIinterfaceMethods * interface,
__GLcontextModes ** driver_modes);
typedef CREATENEWSCREENFUNC* PFNCREATENEWSCREENFUNC;
extern CREATENEWSCREENFUNC __driCreateNewScreen_20050727;
/**
* Wait for the MSC to equal target_msc, or, if that has already passed,
* the next time (MSC % divisor) is equal to remainder. If divisor is
* zero, the function will return as soon as MSC is greater than or equal
* to target_msc.
*/
int (*waitForMSC)(__DRIdrawable *drawable,
int64_t target_msc, int64_t divisor, int64_t remainder,
int64_t * msc, int64_t * sbc);
/**
* Get the number of vertical refreshes since some point in time before
* this function was first called (i.e., system start up).
*/
int (*getDrawableMSC)(__DRIscreen *screen, __DRIdrawable *drawable,
int64_t *msc);
};
#define __DRI_TEX_OFFSET "DRI_TexOffset"
#define __DRI_TEX_OFFSET_VERSION 1
struct __DRItexOffsetExtensionRec {
__DRIextension base;
/**
* Method to override base texture image with a driver specific 'offset'.
* The depth passed in allows e.g. to ignore the alpha channel of texture
* images where the non-alpha components don't occupy a whole texel.
*
* For GLX_EXT_texture_from_pixmap with AIGLX.
*/
void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname,
unsigned long long offset, GLint depth, GLuint pitch);
};
#define __DRI_TEX_BUFFER "DRI_TexBuffer"
#define __DRI_TEX_BUFFER_VERSION 1
struct __DRItexBufferExtensionRec {
__DRIextension base;
/**
* Method to override base texture image with the contents of a
* __DRIdrawable.
*
* For GLX_EXT_texture_from_pixmap with AIGLX.
*/
void (*setTexBuffer)(__DRIcontext *pDRICtx,
GLint target,
__DRIdrawable *pDraw);
};
/**
@@ -117,6 +243,289 @@ extern const char __driConfigOptions[];
/*@}*/
/**
* The following extensions describe loader features that the DRI
* driver can make use of. Some of these are mandatory, such as the
* getDrawableInfo extension for DRI and the DRI Loader extensions for
* DRI2, while others are optional, and if present allow the driver to
* expose certain features. The loader pass in a NULL terminated
* array of these extensions to the driver in the createNewScreen
* constructor.
*/
typedef struct __DRIgetDrawableInfoExtensionRec __DRIgetDrawableInfoExtension;
typedef struct __DRIsystemTimeExtensionRec __DRIsystemTimeExtension;
typedef struct __DRIdamageExtensionRec __DRIdamageExtension;
typedef struct __DRIloaderExtensionRec __DRIloaderExtension;
typedef struct __DRIswrastLoaderExtensionRec __DRIswrastLoaderExtension;
/**
* Callback to getDrawableInfo protocol
*/
#define __DRI_GET_DRAWABLE_INFO "DRI_GetDrawableInfo"
#define __DRI_GET_DRAWABLE_INFO_VERSION 1
struct __DRIgetDrawableInfoExtensionRec {
__DRIextension base;
/**
* This function is used to get information about the position, size, and
* clip rects of a drawable.
*/
GLboolean (* getDrawableInfo) ( __DRIdrawable *drawable,
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,
void *loaderPrivate);
};
/**
* Callback to get system time for media stream counter extensions.
*/
#define __DRI_SYSTEM_TIME "DRI_SystemTime"
#define __DRI_SYSTEM_TIME_VERSION 1
struct __DRIsystemTimeExtensionRec {
__DRIextension base;
/**
* Get the 64-bit unadjusted system time (UST).
*/
int (*getUST)(int64_t * ust);
/**
* Get the media stream counter (MSC) rate.
*
* Matching the definition in GLX_OML_sync_control, this function returns
* the rate of the "media stream counter". In practical terms, this is
* the frame refresh rate of the display.
*/
GLboolean (*getMSCRate)(__DRIdrawable *draw,
int32_t * numerator, int32_t * denominator,
void *loaderPrivate);
};
/**
* Damage reporting
*/
#define __DRI_DAMAGE "DRI_Damage"
#define __DRI_DAMAGE_VERSION 1
struct __DRIdamageExtensionRec {
__DRIextension base;
/**
* Reports areas of the given drawable which have been modified by the
* driver.
*
* \param drawable which the drawing was done to.
* \param rects rectangles affected, with the drawable origin as the
* origin.
* \param x X offset of the drawable within the screen (used in the
* front_buffer case)
* \param y Y offset of the drawable within the screen.
* \param front_buffer boolean flag for whether the drawing to the
* drawable was actually done directly to the front buffer (instead
* of backing storage, for example)
* \param loaderPrivate the data passed in at createNewDrawable time
*/
void (*reportDamage)(__DRIdrawable *draw,
int x, int y,
drm_clip_rect_t *rects, int num_rects,
GLboolean front_buffer,
void *loaderPrivate);
};
/**
* DRI2 Loader extension. This extension describes the basic
* functionality the loader needs to provide for the DRI driver.
*/
#define __DRI_LOADER "DRI_Loader"
#define __DRI_LOADER_VERSION 1
struct __DRIloaderExtensionRec {
__DRIextension base;
/**
* Ping the windowing system to get it to reemit info for the
* specified drawable in the DRI2 event buffer.
*
* \param draw the drawable for which to request info
* \param tail the new event buffer tail pointer
*/
void (*reemitDrawableInfo)(__DRIdrawable *draw, unsigned int *tail,
void *loaderPrivate);
void (*postDamage)(__DRIdrawable *draw, struct drm_clip_rect *rects,
int num_rects, void *loaderPrivate);
};
#define __DRI_SWRAST_IMAGE_OP_DRAW 1
#define __DRI_SWRAST_IMAGE_OP_CLEAR 2
#define __DRI_SWRAST_IMAGE_OP_SWAP 3
/**
* SWRast Loader extension.
*/
#define __DRI_SWRAST_LOADER "DRI_SWRastLoader"
#define __DRI_SWRAST_LOADER_VERSION 1
struct __DRIswrastLoaderExtensionRec {
__DRIextension base;
/*
* Drawable position and size
*/
void (*getDrawableInfo)(__DRIdrawable *drawable,
int *x, int *y, int *width, int *height,
void *loaderPrivate);
/**
* Put image to drawable
*/
void (*putImage)(__DRIdrawable *drawable, int op,
int x, int y, int width, int height, char *data,
void *loaderPrivate);
/**
* Get image from drawable
*/
void (*getImage)(__DRIdrawable *drawable,
int x, int y, int width, int height, char *data,
void *loaderPrivate);
};
/**
* The remaining extensions describe driver extensions, immediately
* available interfaces provided by the driver. To start using the
* driver, dlsym() for the __DRI_DRIVER_EXTENSIONS symbol and look for
* the extension you need in the array.
*/
#define __DRI_DRIVER_EXTENSIONS "__driDriverExtensions"
/**
* Tokens for __DRIconfig attribs. A number of attributes defined by
* GLX or EGL standards are not in the table, as they must be provided
* by the loader. For example, FBConfig ID or visual ID, drawable type.
*/
#define __DRI_ATTRIB_BUFFER_SIZE 1
#define __DRI_ATTRIB_LEVEL 2
#define __DRI_ATTRIB_RED_SIZE 3
#define __DRI_ATTRIB_GREEN_SIZE 4
#define __DRI_ATTRIB_BLUE_SIZE 5
#define __DRI_ATTRIB_LUMINANCE_SIZE 6
#define __DRI_ATTRIB_ALPHA_SIZE 7
#define __DRI_ATTRIB_ALPHA_MASK_SIZE 8
#define __DRI_ATTRIB_DEPTH_SIZE 9
#define __DRI_ATTRIB_STENCIL_SIZE 10
#define __DRI_ATTRIB_ACCUM_RED_SIZE 11
#define __DRI_ATTRIB_ACCUM_GREEN_SIZE 12
#define __DRI_ATTRIB_ACCUM_BLUE_SIZE 13
#define __DRI_ATTRIB_ACCUM_ALPHA_SIZE 14
#define __DRI_ATTRIB_SAMPLE_BUFFERS 15
#define __DRI_ATTRIB_SAMPLES 16
#define __DRI_ATTRIB_RENDER_TYPE 17
#define __DRI_ATTRIB_CONFIG_CAVEAT 18
#define __DRI_ATTRIB_CONFORMANT 19
#define __DRI_ATTRIB_DOUBLE_BUFFER 20
#define __DRI_ATTRIB_STEREO 21
#define __DRI_ATTRIB_AUX_BUFFERS 22
#define __DRI_ATTRIB_TRANSPARENT_TYPE 23
#define __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE 24
#define __DRI_ATTRIB_TRANSPARENT_RED_VALUE 25
#define __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE 26
#define __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE 27
#define __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE 28
#define __DRI_ATTRIB_FLOAT_MODE 29
#define __DRI_ATTRIB_RED_MASK 30
#define __DRI_ATTRIB_GREEN_MASK 31
#define __DRI_ATTRIB_BLUE_MASK 32
#define __DRI_ATTRIB_ALPHA_MASK 33
#define __DRI_ATTRIB_MAX_PBUFFER_WIDTH 34
#define __DRI_ATTRIB_MAX_PBUFFER_HEIGHT 35
#define __DRI_ATTRIB_MAX_PBUFFER_PIXELS 36
#define __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH 37
#define __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT 38
#define __DRI_ATTRIB_VISUAL_SELECT_GROUP 39
#define __DRI_ATTRIB_SWAP_METHOD 40
#define __DRI_ATTRIB_MAX_SWAP_INTERVAL 41
#define __DRI_ATTRIB_MIN_SWAP_INTERVAL 42
#define __DRI_ATTRIB_BIND_TO_TEXTURE_RGB 43
#define __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA 44
#define __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE 45
#define __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS 46
#define __DRI_ATTRIB_YINVERTED 47
/* __DRI_ATTRIB_RENDER_TYPE */
#define __DRI_ATTRIB_RGBA_BIT 0x01
#define __DRI_ATTRIB_COLOR_INDEX_BIT 0x02
#define __DRI_ATTRIB_LUMINANCE_BIT 0x04
/* __DRI_ATTRIB_CONFIG_CAVEAT */
#define __DRI_ATTRIB_SLOW_BIT 0x01
#define __DRI_ATTRIB_NON_CONFORMANT_CONFIG 0x02
/* __DRI_ATTRIB_TRANSPARENT_TYPE */
#define __DRI_ATTRIB_TRANSPARENT_RGB 0x00
#define __DRI_ATTRIB_TRANSPARENT_INDEX 0x01
/* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
#define __DRI_ATTRIB_TEXTURE_1D_BIT 0x01
#define __DRI_ATTRIB_TEXTURE_2D_BIT 0x02
#define __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT 0x04
/**
* This extension defines the core DRI functionality.
*/
#define __DRI_CORE "DRI_Core"
#define __DRI_CORE_VERSION 1
struct __DRIcoreExtensionRec {
__DRIextension base;
__DRIscreen *(*createNewScreen)(int screen, int fd,
unsigned int sarea_handle,
const __DRIextension **extensions,
const __DRIconfig ***driverConfigs,
void *loaderPrivate);
void (*destroyScreen)(__DRIscreen *screen);
const __DRIextension **(*getExtensions)(__DRIscreen *screen);
int (*getConfigAttrib)(const __DRIconfig *config,
unsigned int attrib,
unsigned int *value);
int (*indexConfigAttrib)(const __DRIconfig *config, int index,
unsigned int *attrib, unsigned int *value);
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
const __DRIconfig *config,
unsigned int drawable_id,
unsigned int head,
void *loaderPrivate);
void (*destroyDrawable)(__DRIdrawable *drawable);
void (*swapBuffers)(__DRIdrawable *drawable);
__DRIcontext *(*createNewContext)(__DRIscreen *screen,
const __DRIconfig *config,
__DRIcontext *shared,
void *loaderPrivate);
int (*copyContext)(__DRIcontext *dest,
__DRIcontext *src,
unsigned long mask);
void (*destroyContext)(__DRIcontext *context);
int (*bindContext)(__DRIcontext *ctx,
__DRIdrawable *pdraw,
__DRIdrawable *pread);
int (*unbindContext)(__DRIcontext *ctx);
};
/**
* Stored version of some component (i.e., server-side DRI module, kernel-side
@@ -133,133 +542,6 @@ struct __DRIversionRec {
int patch; /**< Patch-level. */
};
typedef void (*__DRIfuncPtr)(void);
struct __DRIinterfaceMethodsRec {
/**
* Get pointer to named function.
*/
__DRIfuncPtr (*getProcAddress)( const char * proc_name );
/**
* Create a list of \c __GLcontextModes structures.
*/
__GLcontextModes * (*createContextModes)(unsigned count,
size_t minimum_bytes_per_struct);
/**
* Destroy a list of \c __GLcontextModes structures.
*
* \todo
* Determine if the drivers actually need to call this.
*/
void (*destroyContextModes)( __GLcontextModes * modes );
/**
* Get the \c __DRIscreen for a given display and screen number.
*/
__DRIscreen *(*getScreen)(__DRInativeDisplay *dpy, int screenNum);
/**
* \name Client/server protocol functions.
*
* These functions implement the DRI client/server protocol for
* context and drawable operations. Platforms that do not implement
* the wire protocol (e.g., EGL) will implement glorified no-op functions.
*/
/*@{*/
/**
* Determine if the specified window ID still exists.
*
* \note
* Implementations may assume that the driver will only pass an ID into
* this function that actually corresponds to a window. On
* implementations where windows can only be destroyed by the DRI driver
* (e.g., EGL), this function is allowed to always return \c GL_TRUE.
*/
GLboolean (*windowExists)(__DRInativeDisplay *dpy, __DRIid draw);
/**
* Create the server-side portion of the GL context.
*/
GLboolean (* createContext)( __DRInativeDisplay *dpy, int screenNum,
int configID, void * contextID, drm_context_t * hw_context );
/**
* Destroy the server-side portion of the GL context.
*/
GLboolean (* destroyContext)( __DRInativeDisplay *dpy, int screenNum,
__DRIid context );
/**
* Create the server-side portion of the drawable.
*/
GLboolean (*createDrawable)( __DRInativeDisplay * ndpy, int screen,
__DRIid drawable, drm_drawable_t * hHWDrawable );
/**
* Destroy the server-side portion of the drawable.
*/
GLboolean (*destroyDrawable)( __DRInativeDisplay * ndpy, int screen,
__DRIid drawable );
/**
* This function is used to get information about the position, size, and
* clip rects of a drawable.
*/
GLboolean (* getDrawableInfo) ( __DRInativeDisplay *dpy, int scrn,
__DRIid 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 );
/*@}*/
/**
* \name Timing related functions.
*/
/*@{*/
/**
* Get the 64-bit unadjusted system time (UST).
*/
int (*getUST)(int64_t * ust);
/**
* Get the media stream counter (MSC) rate.
*
* Matching the definition in GLX_OML_sync_control, this function returns
* the rate of the "media stream counter". In practical terms, this is
* the frame refresh rate of the display.
*/
GLboolean (*getMSCRate)(__DRInativeDisplay * dpy, __DRIid drawable,
int32_t * numerator, int32_t * denominator);
/*@}*/
/**
* Reports areas of the given drawable which have been modified by the
* driver.
*
* \param drawable which the drawing was done to.
* \param rects rectangles affected, with the drawable origin as the
* origin.
* \param x X offset of the drawable within the screen (used in the
* front_buffer case)
* \param y Y offset of the drawable within the screen.
* \param front_buffer boolean flag for whether the drawing to the
* drawable was actually done directly to the front buffer (instead
* of backing storage, for example)
*/
void (*reportDamage)(__DRInativeDisplay * dpy, int screen,
__DRIid drawable,
int x, int y,
drm_clip_rect_t *rects, int num_rects,
int front_buffer);
};
/**
* Framebuffer information record. Used by libGL to communicate information
* about the framebuffer to the driver's \c __driCreateNewScreen function.
@@ -289,229 +571,59 @@ struct __DRIframebufferRec {
/**
* Screen dependent methods. This structure is initialized during the
* \c __DRIdisplayRec::createScreen call.
* This extension provides alternative screen, drawable and context
* constructors for legacy DRI functionality. This is used in
* conjunction with the core extension.
*/
struct __DRIscreenRec {
/**
* Method to destroy the private DRI screen data.
*/
void (*destroyScreen)(__DRInativeDisplay *dpy, int scrn, void *screenPrivate);
#define __DRI_LEGACY "DRI_Legacy"
#define __DRI_LEGACY_VERSION 1
/**
* Method to create the private DRI drawable data and initialize the
* drawable dependent methods.
*/
void *(*createNewDrawable)(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
__DRIid draw, __DRIdrawable *pdraw,
int renderType, const int *attrs);
struct __DRIlegacyExtensionRec {
__DRIextension base;
/**
* Method to return a pointer to the DRI drawable data.
*/
__DRIdrawable *(*getDrawable)(__DRInativeDisplay *dpy, __DRIid draw,
void *drawablePrivate);
__DRIscreen *(*createNewScreen)(int screen,
const __DRIversion *ddx_version,
const __DRIversion *dri_version,
const __DRIversion *drm_version,
const __DRIframebuffer *frame_buffer,
void *pSAREA, int fd,
const __DRIextension **extensions,
const __DRIconfig ***driver_configs,
void *loaderPrivate);
/**
* Opaque pointer to private per screen direct rendering data. \c NULL
* if direct rendering is not supported on this screen. Never
* dereferenced in libGL.
*/
void *private;
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
const __DRIconfig *config,
drm_drawable_t hwDrawable,
int renderType, const int *attrs,
void *loaderPrivate);
/**
* Get the number of vertical refreshes since some point in time before
* this function was first called (i.e., system start up).
*
* \since Internal API version 20030317.
*/
int (*getMSC)( void *screenPrivate, int64_t *msc );
/**
* Opaque pointer that points back to the containing
* \c __GLXscreenConfigs. This data structure is shared with DRI drivers
* but \c __GLXscreenConfigs is not. However, they are needed by some GLX
* functions called by DRI drivers.
*
* \since Internal API version 20030813.
*/
void *screenConfigs;
/**
* Functions associated with MESA_allocate_memory.
*
* \since Internal API version 20030815.
*/
/*@{*/
void *(*allocateMemory)(__DRInativeDisplay *dpy, int scrn, GLsizei size,
GLfloat readfreq, GLfloat writefreq,
GLfloat priority);
void (*freeMemory)(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer);
GLuint (*memoryOffset)(__DRInativeDisplay *dpy, int scrn, const GLvoid *pointer);
/*@}*/
/**
* Method to create the private DRI context data and initialize the
* context dependent methods.
*
* \since Internal API version 20031201.
*/
void * (*createNewContext)(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
int render_type,
void *sharedPrivate, __DRIcontext *pctx);
/**
* Method to override base texture image with a driver specific 'offset'.
* The depth passed in allows e.g. to ignore the alpha channel of texture
* images where the non-alpha components don't occupy a whole texel.
*
* For GLX_EXT_texture_from_pixmap with AIGLX.
*
* \since Internal API version 20070121.
*/
void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname,
unsigned long long offset, GLint depth, GLuint pitch);
__DRIcontext *(*createNewContext)(__DRIscreen *screen,
const __DRIconfig *config,
int render_type,
__DRIcontext *shared,
drm_context_t hwContext,
void *loaderPrivate);
};
/**
* Context dependent methods. This structure is initialized during the
* \c __DRIscreenRec::createContext call.
* This extension provides alternative screen, drawable and context
* constructors for swrast DRI functionality. This is used in
* conjunction with the core extension.
*/
struct __DRIcontextRec {
/**
* Method to destroy the private DRI context data.
*/
void (*destroyContext)(__DRInativeDisplay *dpy, int scrn, void *contextPrivate);
#define __DRI_SWRAST "DRI_SWRast"
#define __DRI_SWRAST_VERSION 1
/**
* Opaque pointer to private per context direct rendering data.
* \c NULL if direct rendering is not supported on the display or
* screen used to create this context. Never dereferenced in libGL.
*/
void *private;
struct __DRIswrastExtensionRec {
__DRIextension base;
/**
* Pointer to the mode used to create this context.
*
* \since Internal API version 20040317.
*/
const __GLcontextModes * mode;
__DRIscreen *(*createNewScreen)(int screen,
const __DRIextension **extensions,
const __DRIconfig ***driver_configs,
void *loaderPrivate);
/**
* Method to bind a DRI drawable to a DRI graphics context.
*
* \since Internal API version 20050727.
*/
GLboolean (*bindContext)(__DRInativeDisplay *dpy, int scrn, __DRIid draw,
__DRIid read, __DRIcontext *ctx);
/**
* Method to unbind a DRI drawable from a DRI graphics context.
*
* \since Internal API version 20050727.
*/
GLboolean (*unbindContext)(__DRInativeDisplay *dpy, int scrn, __DRIid draw,
__DRIid read, __DRIcontext *ctx);
};
/**
* Drawable dependent methods. This structure is initialized during the
* \c __DRIscreenRec::createDrawable call. \c createDrawable is not called
* by libGL at this time. It's currently used via the dri_util.c utility code
* instead.
*/
struct __DRIdrawableRec {
/**
* Method to destroy the private DRI drawable data.
*/
void (*destroyDrawable)(__DRInativeDisplay *dpy, void *drawablePrivate);
/**
* Method to swap the front and back buffers.
*/
void (*swapBuffers)(__DRInativeDisplay *dpy, void *drawablePrivate);
/**
* Opaque pointer to private per drawable direct rendering data.
* \c NULL if direct rendering is not supported on the display or
* screen used to create this drawable. Never dereferenced in libGL.
*/
void *private;
/**
* Get the number of completed swap buffers for this drawable.
*
* \since Internal API version 20030317.
*/
int (*getSBC)(__DRInativeDisplay *dpy, void *drawablePrivate, int64_t *sbc );
/**
* Wait for the SBC to be greater than or equal target_sbc.
*
* \since Internal API version 20030317.
*/
int (*waitForSBC)( __DRInativeDisplay * dpy, void *drawablePriv,
int64_t target_sbc,
int64_t * msc, int64_t * sbc );
/**
* Wait for the MSC to equal target_msc, or, if that has already passed,
* the next time (MSC % divisor) is equal to remainder. If divisor is
* zero, the function will return as soon as MSC is greater than or equal
* to target_msc.
*
* \since Internal API version 20030317.
*/
int (*waitForMSC)( __DRInativeDisplay * dpy, void *drawablePriv,
int64_t target_msc, int64_t divisor, int64_t remainder,
int64_t * msc, int64_t * sbc );
/**
* Like \c swapBuffers, but does NOT have an implicit \c glFlush. Once
* rendering is complete, waits until MSC is equal to target_msc, or
* if that has already passed, waits until (MSC % divisor) is equal
* to remainder. If divisor is zero, the swap will happen as soon as
* MSC is greater than or equal to target_msc.
*
* \since Internal API version 20030317.
*/
int64_t (*swapBuffersMSC)(__DRInativeDisplay *dpy, void *drawablePrivate,
int64_t target_msc,
int64_t divisor, int64_t remainder);
/**
* Enable or disable frame usage tracking.
*
* \since Internal API version 20030317.
*/
int (*frameTracking)(__DRInativeDisplay *dpy, void *drawablePrivate, GLboolean enable);
/**
* Retrieve frame usage information.
*
* \since Internal API version 20030317.
*/
int (*queryFrameTracking)(__DRInativeDisplay *dpy, void *drawablePrivate,
int64_t * sbc, int64_t * missedFrames,
float * lastMissedUsage, float * usage );
/**
* Used by drivers that implement the GLX_SGI_swap_control or
* GLX_MESA_swap_control extension.
*
* \since Internal API version 20030317.
*/
unsigned swap_interval;
/**
* Used by drivers that implement the GLX_MESA_copy_sub_buffer extension.
*
* \since Internal API version 20060314.
*/
void (*copySubBuffer)(__DRInativeDisplay *dpy, void *drawablePrivate,
int x, int y, int w, int h);
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
const __DRIconfig *config,
void *loaderPrivate);
};
#endif

View File

@@ -41,6 +41,7 @@
#define GL_CORE_SGI 1
#define GL_CORE_MESA 2
#define GL_CORE_APPLE 4
#define GL_CORE_WINDOWS 8
typedef struct __GLcontextRec __GLcontext;