diff options
Diffstat (limited to 'include/GL/internal/dri_interface.h')
| -rw-r--r-- | include/GL/internal/dri_interface.h | 413 |
1 files changed, 210 insertions, 203 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index fb68fd6ee7..1bfb5efb2c 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -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> /** @@ -52,10 +53,11 @@ typedef struct __DRIdisplayRec __DRIdisplay; typedef struct __DRIscreenRec __DRIscreen; typedef struct __DRIcontextRec __DRIcontext; typedef struct __DRIdrawableRec __DRIdrawable; -typedef struct __DRIdriverRec __DRIdriver; +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; @@ -64,16 +66,13 @@ typedef struct __DRIframeTrackingExtensionRec __DRIframeTrackingExtension; typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension; typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension; typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension; +typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension; /*@}*/ /** * Extension struct. Drivers 'inherit' from this struct by embedding - * it as the first element in the extension struct. The - * __DRIscreen::getExtensions entry point will return a list of these - * structs and the loader can use the extensions it knows about by - * casting it to a more specific extension and optionally advertising - * the GLX extension. See below for examples. + * it as the first element in the extension struct. * * 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 @@ -96,6 +95,14 @@ struct __DRIextensionRec { }; /** + * 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. + */ + +/** * Used by drivers to indicate support for setting the read drawable. */ #define __DRI_READ_DRAWABLE "DRI_ReadDrawable" @@ -228,52 +235,6 @@ struct __DRItexBufferExtensionRec { /** - * Macros for building symbol and strings. Standard CPP two step... - */ - -#define __DRI_REAL_STRINGIFY(x) # x -#define __DRI_STRINGIFY(x) __DRI_REAL_STRINGIFY(x) -#define __DRI_REAL_MAKE_VERSION(name, version) name ## _ ## version -#define __DRI_MAKE_VERSION(name, version) __DRI_REAL_MAKE_VERSION(name, version) - -/** - * \name Functions and data provided by the driver. - */ -/*@{*/ - -#define __DRI_INTERFACE_VERSION 20080310 - -typedef void *(CREATENEWSCREENFUNC)(int scr, __DRIscreen *psc, - const __DRIversion * ddx_version, const __DRIversion * dri_version, - const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer, - void * pSAREA, int fd, const __DRIextension ** extensions, - __GLcontextModes ** driver_modes); -typedef CREATENEWSCREENFUNC* PFNCREATENEWSCREENFUNC; - -#define __DRI_CREATE_NEW_SCREEN \ - __DRI_MAKE_VERSION(__driCreateNewScreen, __DRI_INTERFACE_VERSION) - -#define __DRI_CREATE_NEW_SCREEN_STRING \ - __DRI_STRINGIFY(__DRI_CREATE_NEW_SCREEN) - -extern CREATENEWSCREENFUNC __DRI_CREATE_NEW_SCREEN; - - -/* DRI2 Entry point */ - -typedef void *(__DRI2_CREATE_NEW_SCREEN_FUNC)(int scr, __DRIscreen *psc, - int fd, unsigned int sarea_handle, - const __DRIextension **extensions, __GLcontextModes ** driver_modes); -#define __DRI2_CREATE_NEW_SCREEN \ - __DRI_MAKE_VERSION(__dri2CreateNewScreen, __DRI_INTERFACE_VERSION) - -#define __DRI2_CREATE_NEW_SCREEN_STRING \ - __DRI_STRINGIFY(__DRI2_CREATE_NEW_SCREEN) - -extern __DRI2_CREATE_NEW_SCREEN_FUNC __DRI2_CREATE_NEW_SCREEN; - - -/** * XML document describing the configuration options supported by the * driver. */ @@ -281,60 +242,20 @@ extern const char __driConfigOptions[]; /*@}*/ - -/** - * Stored version of some component (i.e., server-side DRI module, kernel-side - * DRM, etc.). - * - * \todo - * There are several data structures that explicitly store a major version, - * minor version, and patch level. These structures should be modified to - * have a \c __DRIversionRec instead. - */ -struct __DRIversionRec { - int major; /**< Major version number. */ - int minor; /**< Minor version number. */ - int patch; /**< Patch-level. */ -}; - /** * 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 coreDRI2 extensions for + * 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 __DRIcontextModesExtensionRec __DRIcontextModesExtension; typedef struct __DRIgetDrawableInfoExtensionRec __DRIgetDrawableInfoExtension; typedef struct __DRIsystemTimeExtensionRec __DRIsystemTimeExtension; typedef struct __DRIdamageExtensionRec __DRIdamageExtension; -typedef struct __DRIcoreDRI2ExtensionRec __DRIcoreDRI2Extension; - -/** - * Memory management for __GLcontextModes - */ -#define __DRI_CONTEXT_MODES "DRI_ContextModes" -#define __DRI_CONTEXT_MODES_VERSION 1 -struct __DRIcontextModesExtensionRec { - __DRIextension base; - - /** - * 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 ); -}; +typedef struct __DRIloaderExtensionRec __DRIloaderExtension; /** @@ -354,7 +275,8 @@ struct __DRIgetDrawableInfoExtensionRec { 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 ); + int * numBackClipRects, drm_clip_rect_t ** pBackClipRects, + void *loaderPrivate); }; /** @@ -378,7 +300,8 @@ struct __DRIsystemTimeExtensionRec { * the frame refresh rate of the display. */ GLboolean (*getMSCRate)(__DRIdrawable *draw, - int32_t * numerator, int32_t * denominator); + int32_t * numerator, int32_t * denominator, + void *loaderPrivate); }; /** @@ -402,19 +325,22 @@ struct __DRIdamageExtensionRec { * \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); + GLboolean front_buffer, + void *loaderPrivate); }; /** - * DRI2 core + * DRI2 Loader extension. This extension describes the basic + * functionality the loader needs to provide for the DRI driver. */ -#define __DRI_CORE_DRI2 "DRI_CoreDRI2" -#define __DRI_CORE_DRI2_VERSION 1 -struct __DRIcoreDRI2ExtensionRec { +#define __DRI_LOADER "DRI_Loader" +#define __DRI_LOADER_VERSION 1 +struct __DRIloaderExtensionRec { __DRIextension base; /** @@ -424,11 +350,162 @@ struct __DRIcoreDRI2ExtensionRec { * \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 (*reemitDrawableInfo)(__DRIdrawable *draw, unsigned int *tail, + void *loaderPrivate); + void (*postDamage)(__DRIdrawable *draw, struct drm_clip_rect *rects, + int num_rects, 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 + * DRM, etc.). + * + * \todo + * There are several data structures that explicitly store a major version, + * minor version, and patch level. These structures should be modified to + * have a \c __DRIversionRec instead. + */ +struct __DRIversionRec { + int major; /**< Major version number. */ + int minor; /**< Minor version number. */ + int patch; /**< Patch-level. */ }; - /** * Framebuffer information record. Used by libGL to communicate information * about the framebuffer to the driver's \c __driCreateNewScreen function. @@ -458,108 +535,38 @@ struct __DRIframebufferRec { /** - * Screen dependent methods. This structure is initialized during the - * \c __DRIdisplayRec::createScreen call. - */ -struct __DRIscreenRec { - /** - * Method to destroy the private DRI screen data. - */ - void (*destroyScreen)(__DRIscreen *screen); - - /** - * Method to get screen extensions. - */ - const __DRIextension **(*getExtensions)(__DRIscreen *screen); - - /** - * Method to create the private DRI drawable data and initialize the - * drawable dependent methods. - */ - void *(*createNewDrawable)(__DRIscreen *screen, - const __GLcontextModes *modes, - __DRIdrawable *pdraw, - drm_drawable_t hwDrawable, - unsigned int head, - int renderType, const int *attrs); - - /** - * 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; - - /** - * Method to create the private DRI context data and initialize the - * context dependent methods. - * - * \since Internal API version 20031201. - */ - void * (*createNewContext)(__DRIscreen *screen, - const __GLcontextModes *modes, - int render_type, - __DRIcontext *shared, - drm_context_t hwContext, __DRIcontext *pctx); -}; - -/** - * Context dependent methods. This structure is initialized during the - * \c __DRIscreenRec::createContext call. - */ -struct __DRIcontextRec { - /** - * Method to destroy the private DRI context data. - */ - void (*destroyContext)(__DRIcontext *context); - - /** - * 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; - - /** - * Method to bind a DRI drawable to a DRI graphics context. - * - * \since Internal API version 20050727. - */ - GLboolean (*bindContext)(__DRIcontext *ctx, - __DRIdrawable *pdraw, - __DRIdrawable *pread); - - /** - * Method to unbind a DRI drawable from a DRI graphics context. - * - * \since Internal API version 20050727. - */ - GLboolean (*unbindContext)(__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. + * This extension provides alternative screen, drawable and context + * constructors for legacy DRI functionality. This is used in + * conjunction with the core extension. */ -struct __DRIdrawableRec { - /** - * Method to destroy the private DRI drawable data. - */ - void (*destroyDrawable)(__DRIdrawable *drawable); +#define __DRI_LEGACY "DRI_Legacy" +#define __DRI_LEGACY_VERSION 1 - /** - * Method to swap the front and back buffers. - */ - void (*swapBuffers)(__DRIdrawable *drawable); +struct __DRIlegacyExtensionRec { + __DRIextension base; - /** - * 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; + __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); + + __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, + const __DRIconfig *config, + drm_drawable_t hwDrawable, + int renderType, const int *attrs, + void *loaderPrivate); + + __DRIcontext *(*createNewContext)(__DRIscreen *screen, + const __DRIconfig *config, + int render_type, + __DRIcontext *shared, + drm_context_t hwContext, + void *loaderPrivate); }; #endif |