diff options
| -rw-r--r-- | gl/internal/dri_interface.h | 1987 | ||||
| -rw-r--r-- | include/xcb/xcb.h | 1032 | ||||
| -rw-r--r-- | include/xcb/xcb_windefs.h | 2 | ||||
| -rw-r--r-- | include/xcb/xproto.h | 24 |
4 files changed, 1534 insertions, 1511 deletions
diff --git a/gl/internal/dri_interface.h b/gl/internal/dri_interface.h index 035f8e92c..b4eae98ba 100644 --- a/gl/internal/dri_interface.h +++ b/gl/internal/dri_interface.h @@ -1,990 +1,997 @@ -/*
- * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2007-2008 Red Hat, Inc.
- * (C) Copyright IBM Corporation 2004
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file dri_interface.h
- *
- * This file contains all the types and functions that define the interface
- * between a DRI driver and driver loader. Currently, the most common driver
- * loader is the XFree86 libGL.so. However, other loaders do exist, and in
- * the future the server-side libglx.a will also be a loader.
- *
- * \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
-
-/* For archs with no drm.h */
-#if defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__) || defined(_MSC_VER)
-#ifndef __NOT_HAVE_DRM_H
-#define __NOT_HAVE_DRM_H
-#endif
-#endif
-
-#ifndef __NOT_HAVE_DRM_H
-#include <drm.h>
-#else
-typedef unsigned int drm_context_t;
-typedef unsigned int drm_drawable_t;
-typedef struct drm_clip_rect drm_clip_rect_t;
-#endif
-
-#include <stdint.h>
-
-/**
- * \name DRI interface structures
- *
- * The following structures define the interface between the GLX client
- * 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 __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 __DRIframeTrackingExtensionRec __DRIframeTrackingExtension;
-typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension;
-typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension;
-typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension;
-typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension;
-typedef struct __DRIswrastExtensionRec __DRIswrastExtension;
-typedef struct __DRIbufferRec __DRIbuffer;
-typedef struct __DRIdri2ExtensionRec __DRIdri2Extension;
-typedef struct __DRIdri2LoaderExtensionRec __DRIdri2LoaderExtension;
-typedef struct __DRI2flushExtensionRec __DRI2flushExtension;
-typedef struct __DRI2throttleExtensionRec __DRI2throttleExtension;
-
-/*@}*/
-
-
-/**
- * Extension struct. Drivers 'inherit' from this struct by embedding
- * 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
- * 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.
- *
- * 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.
- */
-struct __DRIextensionRec {
- const char *name;
- int version;
-};
-
-/**
- * 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"
-#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_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);
-};
-
-
-/**
- * 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;
-
- /**
- * 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);
-};
-
-
-/* Valid values for format in the setTexBuffer2 function below. These
- * values match the GLX tokens for compatibility reasons, but we
- * define them here since the DRI interface can't depend on GLX. */
-#define __DRI_TEXTURE_FORMAT_NONE 0x20D8
-#define __DRI_TEXTURE_FORMAT_RGB 0x20D9
-#define __DRI_TEXTURE_FORMAT_RGBA 0x20DA
-
-#define __DRI_TEX_BUFFER "DRI_TexBuffer"
-#define __DRI_TEX_BUFFER_VERSION 2
-struct __DRItexBufferExtensionRec {
- __DRIextension base;
-
- /**
- * Method to override base texture image with the contents of a
- * __DRIdrawable.
- *
- * For GLX_EXT_texture_from_pixmap with AIGLX. Deprecated in favor of
- * setTexBuffer2 in version 2 of this interface
- */
- void (*setTexBuffer)(__DRIcontext *pDRICtx,
- GLint target,
- __DRIdrawable *pDraw);
-
- /**
- * Method to override base texture image with the contents of a
- * __DRIdrawable, including the required texture format attribute.
- *
- * For GLX_EXT_texture_from_pixmap with AIGLX.
- */
- void (*setTexBuffer2)(__DRIcontext *pDRICtx,
- GLint target,
- GLint format,
- __DRIdrawable *pDraw);
- /**
- * Method to release texture buffer in case some special platform
- * need this.
- *
- * For GLX_EXT_texture_from_pixmap with AIGLX.
- */
- void (*releaseTexBuffer)(__DRIcontext *pDRICtx,
- GLint target,
- __DRIdrawable *pDraw);
-};
-
-/**
- * Used by drivers that implement DRI2
- */
-#define __DRI2_FLUSH "DRI2_Flush"
-#define __DRI2_FLUSH_VERSION 3
-struct __DRI2flushExtensionRec {
- __DRIextension base;
- void (*flush)(__DRIdrawable *drawable);
-
- /**
- * Ask the driver to call getBuffers/getBuffersWithFormat before
- * it starts rendering again.
- *
- * \param drawable the drawable to invalidate
- *
- * \since 3
- */
- void (*invalidate)(__DRIdrawable *drawable);
-};
-
-
-/**
- * Extension that the driver uses to request
- * throttle callbacks.
- */
-
-#define __DRI2_THROTTLE "DRI2_Throttle"
-#define __DRI2_THROTTLE_VERSION 1
-
-enum __DRI2throttleReason {
- __DRI2_THROTTLE_SWAPBUFFER,
- __DRI2_THROTTLE_COPYSUBBUFFER,
- __DRI2_THROTTLE_FLUSHFRONT
-};
-
-struct __DRI2throttleExtensionRec {
- __DRIextension base;
- void (*throttle)(__DRIcontext *ctx,
- __DRIdrawable *drawable,
- enum __DRI2throttleReason reason);
-};
-
-/**
- * XML document describing the configuration options supported by the
- * driver.
- */
-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);
-};
-
-typedef int int32_t;
-
-/**
- * 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);
-};
-
-#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 readable
- */
- void (*getImage)(__DRIdrawable *readable,
- int x, int y, int width, int height,
- char *data, void *loaderPrivate);
-};
-
-/**
- * Invalidate loader extension. The presence of this extension
- * indicates to the DRI driver that the loader will call invalidate in
- * the __DRI2_FLUSH extension, whenever the needs to query for new
- * buffers. This means that the DRI driver can drop the polling in
- * glViewport().
- *
- * The extension doesn't provide any functionality, it's only use to
- * indicate to the driver that it can use the new semantics. A DRI
- * driver can use this to switch between the different semantics or
- * just refuse to initialize if this extension isn't present.
- */
-#define __DRI_USE_INVALIDATE "DRI_UseInvalidate"
-#define __DRI_USE_INVALIDATE_VERSION 1
-
-typedef struct __DRIuseInvalidateExtensionRec __DRIuseInvalidateExtension;
-struct __DRIuseInvalidateExtensionRec {
- __DRIextension base;
-};
-
-/**
- * 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
-#define __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE 48
-
-/* __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.
- *
- * In XFree86, most of this information is derrived from data returned by
- * calling \c XF86DRIGetDeviceInfo.
- *
- * \sa XF86DRIGetDeviceInfo __DRIdisplayRec::createNewScreen
- * __driUtilCreateNewScreen CallCreateNewScreen
- *
- * \bug This structure could be better named.
- */
-struct __DRIframebufferRec {
- unsigned char *base; /**< Framebuffer base address in the CPU's
- * address space. This value is calculated by
- * calling \c drmMap on the framebuffer handle
- * returned by \c XF86DRIGetDeviceInfo (or a
- * similar function).
- */
- int size; /**< Framebuffer size, in bytes. */
- int stride; /**< Number of bytes from one line to the next. */
- int width; /**< Pixel width of the framebuffer. */
- int height; /**< Pixel height of the framebuffer. */
- int dev_priv_size; /**< Size of the driver's dev-priv structure. */
- void *dev_priv; /**< Pointer to the driver's dev-priv structure. */
-};
-
-
-/**
- * This extension provides alternative screen, drawable and context
- * constructors for legacy DRI functionality. This is used in
- * conjunction with the core extension.
- */
-#define __DRI_LEGACY "DRI_Legacy"
-#define __DRI_LEGACY_VERSION 1
-
-struct __DRIlegacyExtensionRec {
- __DRIextension base;
-
- __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);
-};
-
-/**
- * This extension provides alternative screen, drawable and context
- * constructors for swrast DRI functionality. This is used in
- * conjunction with the core extension.
- */
-#define __DRI_SWRAST "DRI_SWRast"
-#define __DRI_SWRAST_VERSION 3
-
-struct __DRIswrastExtensionRec {
- __DRIextension base;
-
- __DRIscreen *(*createNewScreen)(int screen,
- const __DRIextension **extensions,
- const __DRIconfig ***driver_configs,
- void *loaderPrivate);
-
- __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
- const __DRIconfig *config,
- void *loaderPrivate);
-
- /* Since version 2 */
- __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen,
- int api,
- const __DRIconfig *config,
- __DRIcontext *shared,
- void *data);
-
- /**
- * Create a context for a particular API with a set of attributes
- *
- * \since version 3
- *
- * \sa __DRIdri2ExtensionRec::createContextAttribs
- */
- __DRIcontext *(*createContextAttribs)(__DRIscreen *screen,
- int api,
- const __DRIconfig *config,
- __DRIcontext *shared,
- unsigned num_attribs,
- const uint32_t *attribs,
- unsigned *error,
- void *loaderPrivate);
-};
-
-/**
- * DRI2 Loader extension.
- */
-#define __DRI_BUFFER_FRONT_LEFT 0
-#define __DRI_BUFFER_BACK_LEFT 1
-#define __DRI_BUFFER_FRONT_RIGHT 2
-#define __DRI_BUFFER_BACK_RIGHT 3
-#define __DRI_BUFFER_DEPTH 4
-#define __DRI_BUFFER_STENCIL 5
-#define __DRI_BUFFER_ACCUM 6
-#define __DRI_BUFFER_FAKE_FRONT_LEFT 7
-#define __DRI_BUFFER_FAKE_FRONT_RIGHT 8
-#define __DRI_BUFFER_DEPTH_STENCIL 9 /**< Only available with DRI2 1.1 */
-#define __DRI_BUFFER_HIZ 10
-
-/* Inofficial and for internal use. Increase when adding a new buffer token. */
-#define __DRI_BUFFER_COUNT 11
-
-struct __DRIbufferRec {
- unsigned int attachment;
- unsigned int name;
- unsigned int pitch;
- unsigned int cpp;
- unsigned int flags;
-};
-
-#define __DRI_DRI2_LOADER "DRI_DRI2Loader"
-#define __DRI_DRI2_LOADER_VERSION 3
-struct __DRIdri2LoaderExtensionRec {
- __DRIextension base;
-
- __DRIbuffer *(*getBuffers)(__DRIdrawable *driDrawable,
- int *width, int *height,
- unsigned int *attachments, int count,
- int *out_count, void *loaderPrivate);
-
- /**
- * Flush pending front-buffer rendering
- *
- * Any rendering that has been performed to the
- * \c __DRI_BUFFER_FAKE_FRONT_LEFT will be flushed to the
- * \c __DRI_BUFFER_FRONT_LEFT.
- *
- * \param driDrawable Drawable whose front-buffer is to be flushed
- * \param loaderPrivate Loader's private data that was previously passed
- * into __DRIdri2ExtensionRec::createNewDrawable
- */
- void (*flushFrontBuffer)(__DRIdrawable *driDrawable, void *loaderPrivate);
-
-
- /**
- * Get list of buffers from the server
- *
- * Gets a list of buffer for the specified set of attachments. Unlike
- * \c ::getBuffers, this function takes a list of attachments paired with
- * opaque \c unsigned \c int value describing the format of the buffer.
- * It is the responsibility of the caller to know what the service that
- * allocates the buffers will expect to receive for the format.
- *
- * \param driDrawable Drawable whose buffers are being queried.
- * \param width Output where the width of the buffers is stored.
- * \param height Output where the height of the buffers is stored.
- * \param attachments List of pairs of attachment ID and opaque format
- * requested for the drawable.
- * \param count Number of attachment / format pairs stored in
- * \c attachments.
- * \param loaderPrivate Loader's private data that was previously passed
- * into __DRIdri2ExtensionRec::createNewDrawable.
- */
- __DRIbuffer *(*getBuffersWithFormat)(__DRIdrawable *driDrawable,
- int *width, int *height,
- unsigned int *attachments, int count,
- int *out_count, void *loaderPrivate);
-};
-
-/**
- * This extension provides alternative screen, drawable and context
- * constructors for DRI2.
- */
-#define __DRI_DRI2 "DRI_DRI2"
-#define __DRI_DRI2_VERSION 3
-
-#define __DRI_API_OPENGL 0 /**< OpenGL compatibility profile */
-#define __DRI_API_GLES 1
-#define __DRI_API_GLES2 2
-#define __DRI_API_OPENGL_CORE 3 /**< OpenGL 3.2+ core profile */
-
-#define __DRI_CTX_ATTRIB_MAJOR_VERSION 0
-#define __DRI_CTX_ATTRIB_MINOR_VERSION 1
-#define __DRI_CTX_ATTRIB_FLAGS 2
-
-#define __DRI_CTX_FLAG_DEBUG 0x00000001
-#define __DRI_CTX_FLAG_FORWARD_COMPATIBLE 0x00000002
-
-/**
- * \name Reasons that __DRIdri2Extension::createContextAttribs might fail
- */
-/*@{*/
-/** Success! */
-#define __DRI_CTX_ERROR_SUCCESS 0
-
-/** Memory allocation failure */
-#define __DRI_CTX_ERROR_NO_MEMORY 1
-
-/** Client requested an API (e.g., OpenGL ES 2.0) that the driver can't do. */
-#define __DRI_CTX_ERROR_BAD_API 2
-
-/** Client requested an API version that the driver can't do. */
-#define __DRI_CTX_ERROR_BAD_VERSION 3
-
-/** Client requested a flag or combination of flags the driver can't do. */
-#define __DRI_CTX_ERROR_BAD_FLAG 4
-
-/** Client requested an attribute the driver doesn't understand. */
-#define __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE 5
-
-/** Client requested a flag the driver doesn't understand. */
-#define __DRI_CTX_ERROR_UNKNOWN_FLAG 6
-/*@}*/
-
-struct __DRIdri2ExtensionRec {
- __DRIextension base;
-
- __DRIscreen *(*createNewScreen)(int screen, int fd,
- const __DRIextension **extensions,
- const __DRIconfig ***driver_configs,
- void *loaderPrivate);
-
- __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
- const __DRIconfig *config,
- void *loaderPrivate);
-
- __DRIcontext *(*createNewContext)(__DRIscreen *screen,
- const __DRIconfig *config,
- __DRIcontext *shared,
- void *loaderPrivate);
-
- /* Since version 2 */
- unsigned int (*getAPIMask)(__DRIscreen *screen);
-
- __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen,
- int api,
- const __DRIconfig *config,
- __DRIcontext *shared,
- void *data);
-
- __DRIbuffer *(*allocateBuffer)(__DRIscreen *screen,
- unsigned int attachment,
- unsigned int format,
- int width,
- int height);
- void (*releaseBuffer)(__DRIscreen *screen,
- __DRIbuffer *buffer);
-
- /**
- * Create a context for a particular API with a set of attributes
- *
- * \since version 3
- *
- * \sa __DRIswrastExtensionRec::createContextAttribs
- */
- __DRIcontext *(*createContextAttribs)(__DRIscreen *screen,
- int api,
- const __DRIconfig *config,
- __DRIcontext *shared,
- unsigned num_attribs,
- const uint32_t *attribs,
- unsigned *error,
- void *loaderPrivate);
-};
-
-
-/**
- * This extension provides functionality to enable various EGLImage
- * extensions.
- */
-#define __DRI_IMAGE "DRI_IMAGE"
-#define __DRI_IMAGE_VERSION 1
-
-/**
- * These formats correspond to the similarly named MESA_FORMAT_*
- * tokens, except in the native endian of the CPU. For example, on
- * little endian __DRI_IMAGE_FORMAT_XRGB8888 corresponds to
- * MESA_FORMAT_XRGB8888, but MESA_FORMAT_XRGB8888_REV on big endian.
- */
-#define __DRI_IMAGE_FORMAT_RGB565 0x1001
-#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002
-#define __DRI_IMAGE_FORMAT_ARGB8888 0x1003
-#define __DRI_IMAGE_FORMAT_ABGR8888 0x1004
-
-#define __DRI_IMAGE_USE_SHARE 0x0001
-#define __DRI_IMAGE_USE_SCANOUT 0x0002
-#define __DRI_IMAGE_USE_CURSOR 0x0004
-
-/**
- * queryImage attributes
- */
-
-#define __DRI_IMAGE_ATTRIB_STRIDE 0x2000
-#define __DRI_IMAGE_ATTRIB_HANDLE 0x2001
-#define __DRI_IMAGE_ATTRIB_NAME 0x2002
-
-typedef struct __DRIimageRec __DRIimage;
-typedef struct __DRIimageExtensionRec __DRIimageExtension;
-struct __DRIimageExtensionRec {
- __DRIextension base;
-
- __DRIimage *(*createImageFromName)(__DRIscreen *screen,
- int width, int height, int format,
- int name, int pitch,
- void *loaderPrivate);
-
- __DRIimage *(*createImageFromRenderbuffer)(__DRIcontext *context,
- int renderbuffer,
- void *loaderPrivate);
-
- void (*destroyImage)(__DRIimage *image);
-
- __DRIimage *(*createImage)(__DRIscreen *screen,
- int width, int height, int format,
- unsigned int use,
- void *loaderPrivate);
-
- GLboolean (*queryImage)(__DRIimage *image, int attrib, int *value);
-
- /**
- * The new __DRIimage will share the content with the old one, see dup(2).
- */
- __DRIimage *(*dupImage)(__DRIimage *image, void *loaderPrivate);
-};
-
-
-/**
- * This extension must be implemented by the loader and passed to the
- * driver at screen creation time. The EGLImage entry points in the
- * various client APIs take opaque EGLImage handles and use this
- * extension to map them to a __DRIimage. At version 1, this
- * extensions allows mapping EGLImage pointers to __DRIimage pointers,
- * but future versions could support other EGLImage-like, opaque types
- * with new lookup functions.
- */
-#define __DRI_IMAGE_LOOKUP "DRI_IMAGE_LOOKUP"
-#define __DRI_IMAGE_LOOKUP_VERSION 1
-
-typedef struct __DRIimageLookupExtensionRec __DRIimageLookupExtension;
-struct __DRIimageLookupExtensionRec {
- __DRIextension base;
-
- __DRIimage *(*lookupEGLImage)(__DRIscreen *screen, void *image,
- void *loaderPrivate);
-};
-
-/**
- * This extension allows for common DRI2 options
- */
-#define __DRI2_CONFIG_QUERY "DRI_CONFIG_QUERY"
-#define __DRI2_CONFIG_QUERY_VERSION 1
-
-typedef struct __DRI2configQueryExtensionRec __DRI2configQueryExtension;
-struct __DRI2configQueryExtensionRec {
- __DRIextension base;
-
- int (*configQueryb)(__DRIscreen *screen, const char *var, GLboolean *val);
- int (*configQueryi)(__DRIscreen *screen, const char *var, GLint *val);
- int (*configQueryf)(__DRIscreen *screen, const char *var, GLfloat *val);
-};
-#endif
+/* + * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2007-2008 Red Hat, Inc. + * (C) Copyright IBM Corporation 2004 + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file dri_interface.h + * + * This file contains all the types and functions that define the interface + * between a DRI driver and driver loader. Currently, the most common driver + * loader is the XFree86 libGL.so. However, other loaders do exist, and in + * the future the server-side libglx.a will also be a loader. + * + * \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 + +/* For archs with no drm.h */ +#if defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__) || defined(_MSC_VER) +#ifndef __NOT_HAVE_DRM_H +#define __NOT_HAVE_DRM_H +#endif +#endif + +#ifndef __NOT_HAVE_DRM_H +#include <drm.h> +#else +typedef unsigned int drm_context_t; +typedef unsigned int drm_drawable_t; +typedef struct drm_clip_rect drm_clip_rect_t; +#endif + +#include <stdint.h> + +/** + * \name DRI interface structures + * + * The following structures define the interface between the GLX client + * 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 __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 __DRIframeTrackingExtensionRec __DRIframeTrackingExtension; +typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension; +typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension; +typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension; +typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension; +typedef struct __DRIswrastExtensionRec __DRIswrastExtension; +typedef struct __DRIbufferRec __DRIbuffer; +typedef struct __DRIdri2ExtensionRec __DRIdri2Extension; +typedef struct __DRIdri2LoaderExtensionRec __DRIdri2LoaderExtension; +typedef struct __DRI2flushExtensionRec __DRI2flushExtension; +typedef struct __DRI2throttleExtensionRec __DRI2throttleExtension; + +/*@}*/ + + +/** + * Extension struct. Drivers 'inherit' from this struct by embedding + * 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 + * 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. + * + * 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. + */ +struct __DRIextensionRec { + const char *name; + int version; +}; + +/** + * 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" +#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_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); +}; + + +/** + * 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; + + /** + * 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); +}; + + +/* Valid values for format in the setTexBuffer2 function below. These + * values match the GLX tokens for compatibility reasons, but we + * define them here since the DRI interface can't depend on GLX. */ +#define __DRI_TEXTURE_FORMAT_NONE 0x20D8 +#define __DRI_TEXTURE_FORMAT_RGB 0x20D9 +#define __DRI_TEXTURE_FORMAT_RGBA 0x20DA + +#define __DRI_TEX_BUFFER "DRI_TexBuffer" +#define __DRI_TEX_BUFFER_VERSION 2 +struct __DRItexBufferExtensionRec { + __DRIextension base; + + /** + * Method to override base texture image with the contents of a + * __DRIdrawable. + * + * For GLX_EXT_texture_from_pixmap with AIGLX. Deprecated in favor of + * setTexBuffer2 in version 2 of this interface + */ + void (*setTexBuffer)(__DRIcontext *pDRICtx, + GLint target, + __DRIdrawable *pDraw); + + /** + * Method to override base texture image with the contents of a + * __DRIdrawable, including the required texture format attribute. + * + * For GLX_EXT_texture_from_pixmap with AIGLX. + */ + void (*setTexBuffer2)(__DRIcontext *pDRICtx, + GLint target, + GLint format, + __DRIdrawable *pDraw); + /** + * Method to release texture buffer in case some special platform + * need this. + * + * For GLX_EXT_texture_from_pixmap with AIGLX. + */ + void (*releaseTexBuffer)(__DRIcontext *pDRICtx, + GLint target, + __DRIdrawable *pDraw); +}; + +/** + * Used by drivers that implement DRI2 + */ +#define __DRI2_FLUSH "DRI2_Flush" +#define __DRI2_FLUSH_VERSION 3 +struct __DRI2flushExtensionRec { + __DRIextension base; + void (*flush)(__DRIdrawable *drawable); + + /** + * Ask the driver to call getBuffers/getBuffersWithFormat before + * it starts rendering again. + * + * \param drawable the drawable to invalidate + * + * \since 3 + */ + void (*invalidate)(__DRIdrawable *drawable); +}; + + +/** + * Extension that the driver uses to request + * throttle callbacks. + */ + +#define __DRI2_THROTTLE "DRI2_Throttle" +#define __DRI2_THROTTLE_VERSION 1 + +enum __DRI2throttleReason { + __DRI2_THROTTLE_SWAPBUFFER, + __DRI2_THROTTLE_COPYSUBBUFFER, + __DRI2_THROTTLE_FLUSHFRONT +}; + +struct __DRI2throttleExtensionRec { + __DRIextension base; + void (*throttle)(__DRIcontext *ctx, + __DRIdrawable *drawable, + enum __DRI2throttleReason reason); +}; + +/** + * XML document describing the configuration options supported by the + * driver. + */ +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); +}; + +typedef int int32_t; + +/** + * 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); +}; + +#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 readable + */ + void (*getImage)(__DRIdrawable *readable, + int x, int y, int width, int height, + char *data, void *loaderPrivate); +}; + +/** + * Invalidate loader extension. The presence of this extension + * indicates to the DRI driver that the loader will call invalidate in + * the __DRI2_FLUSH extension, whenever the needs to query for new + * buffers. This means that the DRI driver can drop the polling in + * glViewport(). + * + * The extension doesn't provide any functionality, it's only use to + * indicate to the driver that it can use the new semantics. A DRI + * driver can use this to switch between the different semantics or + * just refuse to initialize if this extension isn't present. + */ +#define __DRI_USE_INVALIDATE "DRI_UseInvalidate" +#define __DRI_USE_INVALIDATE_VERSION 1 + +typedef struct __DRIuseInvalidateExtensionRec __DRIuseInvalidateExtension; +struct __DRIuseInvalidateExtensionRec { + __DRIextension base; +}; + +/** + * 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 +#define __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE 48 + +/* __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. + * + * In XFree86, most of this information is derrived from data returned by + * calling \c XF86DRIGetDeviceInfo. + * + * \sa XF86DRIGetDeviceInfo __DRIdisplayRec::createNewScreen + * __driUtilCreateNewScreen CallCreateNewScreen + * + * \bug This structure could be better named. + */ +struct __DRIframebufferRec { + unsigned char *base; /**< Framebuffer base address in the CPU's + * address space. This value is calculated by + * calling \c drmMap on the framebuffer handle + * returned by \c XF86DRIGetDeviceInfo (or a + * similar function). + */ + int size; /**< Framebuffer size, in bytes. */ + int stride; /**< Number of bytes from one line to the next. */ + int width; /**< Pixel width of the framebuffer. */ + int height; /**< Pixel height of the framebuffer. */ + int dev_priv_size; /**< Size of the driver's dev-priv structure. */ + void *dev_priv; /**< Pointer to the driver's dev-priv structure. */ +}; + + +/** + * This extension provides alternative screen, drawable and context + * constructors for legacy DRI functionality. This is used in + * conjunction with the core extension. + */ +#define __DRI_LEGACY "DRI_Legacy" +#define __DRI_LEGACY_VERSION 1 + +struct __DRIlegacyExtensionRec { + __DRIextension base; + + __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); +}; + +/** + * This extension provides alternative screen, drawable and context + * constructors for swrast DRI functionality. This is used in + * conjunction with the core extension. + */ +#define __DRI_SWRAST "DRI_SWRast" +#define __DRI_SWRAST_VERSION 3 + +struct __DRIswrastExtensionRec { + __DRIextension base; + + __DRIscreen *(*createNewScreen)(int screen, + const __DRIextension **extensions, + const __DRIconfig ***driver_configs, + void *loaderPrivate); + + __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, + const __DRIconfig *config, + void *loaderPrivate); + + /* Since version 2 */ + __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen, + int api, + const __DRIconfig *config, + __DRIcontext *shared, + void *data); + + /** + * Create a context for a particular API with a set of attributes + * + * \since version 3 + * + * \sa __DRIdri2ExtensionRec::createContextAttribs + */ + __DRIcontext *(*createContextAttribs)(__DRIscreen *screen, + int api, + const __DRIconfig *config, + __DRIcontext *shared, + unsigned num_attribs, + const uint32_t *attribs, + unsigned *error, + void *loaderPrivate); +}; + +/** + * DRI2 Loader extension. + */ +#define __DRI_BUFFER_FRONT_LEFT 0 +#define __DRI_BUFFER_BACK_LEFT 1 +#define __DRI_BUFFER_FRONT_RIGHT 2 +#define __DRI_BUFFER_BACK_RIGHT 3 +#define __DRI_BUFFER_DEPTH 4 +#define __DRI_BUFFER_STENCIL 5 +#define __DRI_BUFFER_ACCUM 6 +#define __DRI_BUFFER_FAKE_FRONT_LEFT 7 +#define __DRI_BUFFER_FAKE_FRONT_RIGHT 8 +#define __DRI_BUFFER_DEPTH_STENCIL 9 /**< Only available with DRI2 1.1 */ +#define __DRI_BUFFER_HIZ 10 + +/* Inofficial and for internal use. Increase when adding a new buffer token. */ +#define __DRI_BUFFER_COUNT 11 + +struct __DRIbufferRec { + unsigned int attachment; + unsigned int name; + unsigned int pitch; + unsigned int cpp; + unsigned int flags; +}; + +#define __DRI_DRI2_LOADER "DRI_DRI2Loader" +#define __DRI_DRI2_LOADER_VERSION 3 +struct __DRIdri2LoaderExtensionRec { + __DRIextension base; + + __DRIbuffer *(*getBuffers)(__DRIdrawable *driDrawable, + int *width, int *height, + unsigned int *attachments, int count, + int *out_count, void *loaderPrivate); + + /** + * Flush pending front-buffer rendering + * + * Any rendering that has been performed to the + * \c __DRI_BUFFER_FAKE_FRONT_LEFT will be flushed to the + * \c __DRI_BUFFER_FRONT_LEFT. + * + * \param driDrawable Drawable whose front-buffer is to be flushed + * \param loaderPrivate Loader's private data that was previously passed + * into __DRIdri2ExtensionRec::createNewDrawable + */ + void (*flushFrontBuffer)(__DRIdrawable *driDrawable, void *loaderPrivate); + + + /** + * Get list of buffers from the server + * + * Gets a list of buffer for the specified set of attachments. Unlike + * \c ::getBuffers, this function takes a list of attachments paired with + * opaque \c unsigned \c int value describing the format of the buffer. + * It is the responsibility of the caller to know what the service that + * allocates the buffers will expect to receive for the format. + * + * \param driDrawable Drawable whose buffers are being queried. + * \param width Output where the width of the buffers is stored. + * \param height Output where the height of the buffers is stored. + * \param attachments List of pairs of attachment ID and opaque format + * requested for the drawable. + * \param count Number of attachment / format pairs stored in + * \c attachments. + * \param loaderPrivate Loader's private data that was previously passed + * into __DRIdri2ExtensionRec::createNewDrawable. + */ + __DRIbuffer *(*getBuffersWithFormat)(__DRIdrawable *driDrawable, + int *width, int *height, + unsigned int *attachments, int count, + int *out_count, void *loaderPrivate); +}; + +/** + * This extension provides alternative screen, drawable and context + * constructors for DRI2. + */ +#define __DRI_DRI2 "DRI_DRI2" +#define __DRI_DRI2_VERSION 3 + +#define __DRI_API_OPENGL 0 /**< OpenGL compatibility profile */ +#define __DRI_API_GLES 1 +#define __DRI_API_GLES2 2 +#define __DRI_API_OPENGL_CORE 3 /**< OpenGL 3.2+ core profile */ + +#define __DRI_CTX_ATTRIB_MAJOR_VERSION 0 +#define __DRI_CTX_ATTRIB_MINOR_VERSION 1 +#define __DRI_CTX_ATTRIB_FLAGS 2 + +#define __DRI_CTX_FLAG_DEBUG 0x00000001 +#define __DRI_CTX_FLAG_FORWARD_COMPATIBLE 0x00000002 + +/** + * \name Reasons that __DRIdri2Extension::createContextAttribs might fail + */ +/*@{*/ +/** Success! */ +#define __DRI_CTX_ERROR_SUCCESS 0 + +/** Memory allocation failure */ +#define __DRI_CTX_ERROR_NO_MEMORY 1 + +/** Client requested an API (e.g., OpenGL ES 2.0) that the driver can't do. */ +#define __DRI_CTX_ERROR_BAD_API 2 + +/** Client requested an API version that the driver can't do. */ +#define __DRI_CTX_ERROR_BAD_VERSION 3 + +/** Client requested a flag or combination of flags the driver can't do. */ +#define __DRI_CTX_ERROR_BAD_FLAG 4 + +/** Client requested an attribute the driver doesn't understand. */ +#define __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE 5 + +/** Client requested a flag the driver doesn't understand. */ +#define __DRI_CTX_ERROR_UNKNOWN_FLAG 6 +/*@}*/ + +struct __DRIdri2ExtensionRec { + __DRIextension base; + + __DRIscreen *(*createNewScreen)(int screen, int fd, + const __DRIextension **extensions, + const __DRIconfig ***driver_configs, + void *loaderPrivate); + + __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, + const __DRIconfig *config, + void *loaderPrivate); + + __DRIcontext *(*createNewContext)(__DRIscreen *screen, + const __DRIconfig *config, + __DRIcontext *shared, + void *loaderPrivate); + + /* Since version 2 */ + unsigned int (*getAPIMask)(__DRIscreen *screen); + + __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen, + int api, + const __DRIconfig *config, + __DRIcontext *shared, + void *data); + + __DRIbuffer *(*allocateBuffer)(__DRIscreen *screen, + unsigned int attachment, + unsigned int format, + int width, + int height); + void (*releaseBuffer)(__DRIscreen *screen, + __DRIbuffer *buffer); + + /** + * Create a context for a particular API with a set of attributes + * + * \since version 3 + * + * \sa __DRIswrastExtensionRec::createContextAttribs + */ + __DRIcontext *(*createContextAttribs)(__DRIscreen *screen, + int api, + const __DRIconfig *config, + __DRIcontext *shared, + unsigned num_attribs, + const uint32_t *attribs, + unsigned *error, + void *loaderPrivate); +}; + + +/** + * This extension provides functionality to enable various EGLImage + * extensions. + */ +#define __DRI_IMAGE "DRI_IMAGE" +#define __DRI_IMAGE_VERSION 2 + +/** + * These formats correspond to the similarly named MESA_FORMAT_* + * tokens, except in the native endian of the CPU. For example, on + * little endian __DRI_IMAGE_FORMAT_XRGB8888 corresponds to + * MESA_FORMAT_XRGB8888, but MESA_FORMAT_XRGB8888_REV on big endian. + */ +#define __DRI_IMAGE_FORMAT_RGB565 0x1001 +#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002 +#define __DRI_IMAGE_FORMAT_ARGB8888 0x1003 +#define __DRI_IMAGE_FORMAT_ABGR8888 0x1004 + +#define __DRI_IMAGE_USE_SHARE 0x0001 +#define __DRI_IMAGE_USE_SCANOUT 0x0002 +#define __DRI_IMAGE_USE_CURSOR 0x0004 + +/** + * queryImage attributes + */ + +#define __DRI_IMAGE_ATTRIB_STRIDE 0x2000 +#define __DRI_IMAGE_ATTRIB_HANDLE 0x2001 +#define __DRI_IMAGE_ATTRIB_NAME 0x2002 + +typedef struct __DRIimageRec __DRIimage; +typedef struct __DRIimageExtensionRec __DRIimageExtension; +struct __DRIimageExtensionRec { + __DRIextension base; + + __DRIimage *(*createImageFromName)(__DRIscreen *screen, + int width, int height, int format, + int name, int pitch, + void *loaderPrivate); + + __DRIimage *(*createImageFromRenderbuffer)(__DRIcontext *context, + int renderbuffer, + void *loaderPrivate); + + void (*destroyImage)(__DRIimage *image); + + __DRIimage *(*createImage)(__DRIscreen *screen, + int width, int height, int format, + unsigned int use, + void *loaderPrivate); + + GLboolean (*queryImage)(__DRIimage *image, int attrib, int *value); + + /** + * The new __DRIimage will share the content with the old one, see dup(2). + */ + __DRIimage *(*dupImage)(__DRIimage *image, void *loaderPrivate); + + /** + * Validate that a __DRIimage can be used a certain way. + * + * \since 2 + */ + GLboolean (*validateUsage)(__DRIimage *image, unsigned int use); +}; + + +/** + * This extension must be implemented by the loader and passed to the + * driver at screen creation time. The EGLImage entry points in the + * various client APIs take opaque EGLImage handles and use this + * extension to map them to a __DRIimage. At version 1, this + * extensions allows mapping EGLImage pointers to __DRIimage pointers, + * but future versions could support other EGLImage-like, opaque types + * with new lookup functions. + */ +#define __DRI_IMAGE_LOOKUP "DRI_IMAGE_LOOKUP" +#define __DRI_IMAGE_LOOKUP_VERSION 1 + +typedef struct __DRIimageLookupExtensionRec __DRIimageLookupExtension; +struct __DRIimageLookupExtensionRec { + __DRIextension base; + + __DRIimage *(*lookupEGLImage)(__DRIscreen *screen, void *image, + void *loaderPrivate); +}; + +/** + * This extension allows for common DRI2 options + */ +#define __DRI2_CONFIG_QUERY "DRI_CONFIG_QUERY" +#define __DRI2_CONFIG_QUERY_VERSION 1 + +typedef struct __DRI2configQueryExtensionRec __DRI2configQueryExtension; +struct __DRI2configQueryExtensionRec { + __DRIextension base; + + int (*configQueryb)(__DRIscreen *screen, const char *var, GLboolean *val); + int (*configQueryi)(__DRIscreen *screen, const char *var, GLint *val); + int (*configQueryf)(__DRIscreen *screen, const char *var, GLfloat *val); +}; +#endif diff --git a/include/xcb/xcb.h b/include/xcb/xcb.h index cfe311ecf..44f650ad7 100644 --- a/include/xcb/xcb.h +++ b/include/xcb/xcb.h @@ -1,507 +1,525 @@ -/*
- * Copyright (C) 2001-2006 Bart Massey, Jamey Sharp, and Josh Triplett.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the names of the authors or their
- * institutions shall not be used in advertising or otherwise to promote the
- * sale, use or other dealings in this Software without prior written
- * authorization from the authors.
- */
-
-#ifndef __XCB_H__
-#define __XCB_H__
-#include <sys/types.h>
-
-#if defined(__solaris__)
-#include <inttypes.h>
-#else
-#include <stdint.h>
-#endif
-
-#ifndef _WIN32
-#include <sys/uio.h>
-#else
-#include "xcb_windefs.h"
-#endif
-#include <pthread.h>
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @file xcb.h
- */
-
-/**
- * @defgroup XCB_Core_API XCB Core API
- * @brief Core API of the XCB library.
- *
- * @{
- */
-
-/* Pre-defined constants */
-
-/** Current protocol version */
-#define X_PROTOCOL 11
-
-/** Current minor version */
-#define X_PROTOCOL_REVISION 0
-
-/** X_TCP_PORT + display number = server port for TCP transport */
-#define X_TCP_PORT 6000
-
-#define XCB_TYPE_PAD(T,I) (-(I) & (sizeof(T) > 4 ? 3 : sizeof(T) - 1))
-
-/* Opaque structures */
-
-/**
- * @brief XCB Connection structure.
- *
- * A structure that contain all data that XCB needs to communicate with an X server.
- */
-typedef struct xcb_connection_t xcb_connection_t; /**< Opaque structure containing all data that XCB needs to communicate with an X server. */
-
-
-/* Other types */
-
-/**
- * @brief Generic iterator.
- *
- * A generic iterator structure.
- */
-typedef struct {
- void *data; /**< Data of the current iterator */
- int rem; /**< remaining elements */
- int index; /**< index of the current iterator */
-} xcb_generic_iterator_t;
-
-/**
- * @brief Generic reply.
- *
- * A generic reply structure.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t pad0; /**< Padding */
- uint16_t sequence; /**< Sequence number */
- uint32_t length; /**< Length of the response */
-} xcb_generic_reply_t;
-
-/**
- * @brief Generic event.
- *
- * A generic event structure.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t pad0; /**< Padding */
- uint16_t sequence; /**< Sequence number */
- uint32_t pad[7]; /**< Padding */
- uint32_t full_sequence; /**< full sequence */
-} xcb_generic_event_t;
-
-/**
- * @brief GE event
- *
- * An event as sent by the XGE extension. The length field specifies the
- * number of 4-byte blocks trailing the struct.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t pad0; /**< Padding */
- uint16_t sequence; /**< Sequence number */
- uint32_t length;
- uint16_t event_type;
- uint16_t pad1;
- uint32_t pad[5]; /**< Padding */
- uint32_t full_sequence; /**< full sequence */
-} xcb_ge_event_t;
-
-/**
- * @brief Generic error.
- *
- * A generic error structure.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t error_code; /**< Error code */
- uint16_t sequence; /**< Sequence number */
- uint32_t resource_id; /** < Resource ID for requests with side effects only */
- uint16_t minor_code; /** < Minor opcode of the failed request */
- uint8_t major_code; /** < Major opcode of the failed request */
- uint8_t pad0;
- uint32_t pad[5]; /**< Padding */
- uint32_t full_sequence; /**< full sequence */
-} xcb_generic_error_t;
-
-/**
- * @brief Generic cookie.
- *
- * A generic cookie structure.
- */
-typedef struct {
- unsigned int sequence; /**< Sequence number */
-} xcb_void_cookie_t;
-
-
-/* Include the generated xproto header. */
-#include "xproto.h"
-
-
-/** XCB_NONE is the universal null resource or null atom parameter value for many core X requests */
-#define XCB_NONE 0L
-
-/** XCB_COPY_FROM_PARENT can be used for many xcb_create_window parameters */
-#define XCB_COPY_FROM_PARENT 0L
-
-/** XCB_CURRENT_TIME can be used in most requests that take an xcb_timestamp_t */
-#define XCB_CURRENT_TIME 0L
-
-/** XCB_NO_SYMBOL fills in unused entries in xcb_keysym_t tables */
-#define XCB_NO_SYMBOL 0L
-
-
-/* xcb_auth.c */
-
-/**
- * @brief Container for authorization information.
- *
- * A container for authorization information to be sent to the X server.
- */
-typedef struct xcb_auth_info_t {
- int namelen; /**< Length of the string name (as returned by strlen). */
- char *name; /**< String containing the authentication protocol name, such as "MIT-MAGIC-COOKIE-1" or "XDM-AUTHORIZATION-1". */
- int datalen; /**< Length of the data member. */
- char *data; /**< Data interpreted in a protocol-specific manner. */
-} xcb_auth_info_t;
-
-
-/* xcb_out.c */
-
-/**
- * @brief Forces any buffered output to be written to the server.
- * @param c: The connection to the X server.
- * @return > @c 0 on success, <= @c 0 otherwise.
- *
- * Forces any buffered output to be written to the server. Blocks
- * until the write is complete.
- */
-int xcb_flush(xcb_connection_t *c);
-
-/**
- * @brief Returns the maximum request length that this server accepts.
- * @param c: The connection to the X server.
- * @return The maximum request length field.
- *
- * In the absence of the BIG-REQUESTS extension, returns the
- * maximum request length field from the connection setup data, which
- * may be as much as 65535. If the server supports BIG-REQUESTS, then
- * the maximum request length field from the reply to the
- * BigRequestsEnable request will be returned instead.
- *
- * Note that this length is measured in four-byte units, making the
- * theoretical maximum lengths roughly 256kB without BIG-REQUESTS and
- * 16GB with.
- */
-uint32_t xcb_get_maximum_request_length(xcb_connection_t *c);
-
-/**
- * @brief Prefetch the maximum request length without blocking.
- * @param c: The connection to the X server.
- *
- * Without blocking, does as much work as possible toward computing
- * the maximum request length accepted by the X server.
- *
- * Invoking this function may cause a call to xcb_big_requests_enable,
- * but will not block waiting for the reply.
- * xcb_get_maximum_request_length will return the prefetched data
- * after possibly blocking while the reply is retrieved.
- *
- * Note that in order for this function to be fully non-blocking, the
- * application must previously have called
- * xcb_prefetch_extension_data(c, &xcb_big_requests_id) and the reply
- * must have already arrived.
- */
-void xcb_prefetch_maximum_request_length(xcb_connection_t *c);
-
-
-/* xcb_in.c */
-
-/**
- * @brief Returns the next event or error from the server.
- * @param c: The connection to the X server.
- * @return The next event from the server.
- *
- * Returns the next event or error from the server, or returns null in
- * the event of an I/O error. Blocks until either an event or error
- * arrive, or an I/O error occurs.
- */
-xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c);
-
-/**
- * @brief Returns the next event or error from the server.
- * @param c: The connection to the X server.
- * error status of the operation.
- * @return The next event from the server.
- *
- * Returns the next event or error from the server, if one is
- * available, or returns @c NULL otherwise. If no event is available, that
- * might be because an I/O error like connection close occurred while
- * attempting to read the next event, in which case the connection is
- * shut down when this function returns.
- */
-xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c);
-
-/**
- * @brief Returns the next event without reading from the connection.
- * @param c: The connection to the X server.
- * @return The next already queued event from the server.
- *
- * This is a version of xcb_poll_for_event that only examines the
- * event queue for new events. The function doesn't try to read new
- * events from the connection if no queued events are found.
- *
- * This function is useful for callers that know in advance that all
- * interesting events have already been read from the connection. For
- * example, callers might use xcb_wait_for_reply and be interested
- * only of events that preceded a specific reply.
- */
-xcb_generic_event_t *xcb_poll_for_queued_event(xcb_connection_t *c);
-
-/**
- * @brief Return the error for a request, or NULL if none can ever arrive.
- * @param c: The connection to the X server.
- * @param cookie: The request cookie.
- * @return The error for the request, or NULL if none can ever arrive.
- *
- * The xcb_void_cookie_t cookie supplied to this function must have resulted
- * from a call to xcb_[request_name]_checked(). This function will block
- * until one of two conditions happens. If an error is received, it will be
- * returned. If a reply to a subsequent request has already arrived, no error
- * can arrive for this request, so this function will return NULL.
- *
- * Note that this function will perform a sync if needed to ensure that the
- * sequence number will advance beyond that provided in cookie; this is a
- * convenience to avoid races in determining whether the sync is needed.
- */
-xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie);
-
-/**
- * @brief Discards the reply for a request.
- * @param c: The connection to the X server.
- * @param sequence: The request sequence number from a cookie.
- *
- * Discards the reply for a request. Additionally, any error generated
- * by the request is also discarded (unless it was an _unchecked request
- * and the error has already arrived).
- *
- * This function will not block even if the reply is not yet available.
- *
- * Note that the sequence really does have to come from an xcb cookie;
- * this function is not designed to operate on socket-handoff replies.
- */
-void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence);
-
-
-/* xcb_ext.c */
-
-/**
- * @typedef typedef struct xcb_extension_t xcb_extension_t
- */
-typedef struct xcb_extension_t xcb_extension_t; /**< Opaque structure used as key for xcb_get_extension_data_t. */
-
-/**
- * @brief Caches reply information from QueryExtension requests.
- * @param c: The connection.
- * @param ext: The extension data.
- * @return A pointer to the xcb_query_extension_reply_t for the extension.
- *
- * This function is the primary interface to the "extension cache",
- * which caches reply information from QueryExtension
- * requests. Invoking this function may cause a call to
- * xcb_query_extension to retrieve extension information from the
- * server, and may block until extension data is received from the
- * server.
- *
- * The result must not be freed. This storage is managed by the cache
- * itself.
- */
-const xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext);
-
-/**
- * @brief Prefetch of extension data into the extension cache
- * @param c: The connection.
- * @param ext: The extension data.
- *
- * This function allows a "prefetch" of extension data into the
- * extension cache. Invoking the function may cause a call to
- * xcb_query_extension, but will not block waiting for the
- * reply. xcb_get_extension_data will return the prefetched data after
- * possibly blocking while it is retrieved.
- */
-void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext);
-
-
-/* xcb_conn.c */
-
-/**
- * @brief Access the data returned by the server.
- * @param c: The connection.
- * @return A pointer to an xcb_setup_t structure.
- *
- * Accessor for the data returned by the server when the xcb_connection_t
- * was initialized. This data includes
- * - the server's required format for images,
- * - a list of available visuals,
- * - a list of available screens,
- * - the server's maximum request length (in the absence of the
- * BIG-REQUESTS extension),
- * - and other assorted information.
- *
- * See the X protocol specification for more details.
- *
- * The result must not be freed.
- */
-const xcb_setup_t *xcb_get_setup(xcb_connection_t *c);
-
-/**
- * @brief Access the file descriptor of the connection.
- * @param c: The connection.
- * @return The file descriptor.
- *
- * Accessor for the file descriptor that was passed to the
- * xcb_connect_to_fd call that returned @p c.
- */
-int xcb_get_file_descriptor(xcb_connection_t *c);
-
-/**
- * @brief Test whether the connection has shut down due to a fatal error.
- * @param c: The connection.
- * @return 1 if the connection is in an error state; 0 otherwise.
- *
- * Some errors that occur in the context of an xcb_connection_t
- * are unrecoverable. When such an error occurs, the
- * connection is shut down and further operations on the
- * xcb_connection_t have no effect.
- *
- * @todo Other functions should document the conditions in
- * which they shut down the connection.
- */
-int xcb_connection_has_error(xcb_connection_t *c);
-
-/**
- * @brief Connects to the X server.
- * @param fd: The file descriptor.
- * @param auth_info: Authentication data.
- * @return A newly allocated xcb_connection_t structure.
- *
- * Connects to an X server, given the open socket @p fd and the
- * xcb_auth_info_t @p auth_info. The file descriptor @p fd is
- * bidirectionally connected to an X server. If the connection
- * should be unauthenticated, @p auth_info must be @c
- * NULL.
- */
-xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info);
-
-/**
- * @brief Closes the connection.
- * @param c: The connection.
- *
- * Closes the file descriptor and frees all memory associated with the
- * connection @c c.
- */
-void xcb_disconnect(xcb_connection_t *c);
-
-
-/* xcb_util.c */
-
-/**
- * @brief Parses a display string name in the form documented by X(7x).
- * @param name: The name of the display.
- * @param host: A pointer to a malloc'd copy of the hostname.
- * @param display: A pointer to the display number.
- * @param screen: A pointer to the screen number.
- * @return 0 on failure, non 0 otherwise.
- *
- * Parses the display string name @p display_name in the form
- * documented by X(7x). Has no side effects on failure. If
- * @p displayname is @c NULL or empty, it uses the environment
- * variable DISPLAY. @p hostp is a pointer to a newly allocated string
- * that contain the host name. @p displayp is set to the display
- * number and @p screenp to the preferred screen number. @p screenp
- * can be @c NULL. If @p displayname does not contain a screen number,
- * it is set to @c 0.
- */
-int xcb_parse_display(const char *name, char **host, int *display, int *screen);
-
-/**
- * @brief Connects to the X server.
- * @param displayname: The name of the display.
- * @param screenp: A pointer to a preferred screen number.
- * @return A newly allocated xcb_connection_t structure.
- *
- * Connects to the X server specified by @p displayname. If @p
- * displayname is @c NULL, uses the value of the DISPLAY environment
- * variable. If a particular screen on that server is preferred, the
- * int pointed to by @p screenp (if not @c NULL) will be set to that
- * screen; otherwise the screen will be set to 0.
- */
-xcb_connection_t *xcb_connect(const char *displayname, int *screenp);
-
-/**
- * @brief Connects to the X server, using an authorization information.
- * @param display: The name of the display.
- * @param auth: The authorization information.
- * @param screen: A pointer to a preferred screen number.
- * @return A newly allocated xcb_connection_t structure.
- *
- * Connects to the X server specified by @p displayname, using the
- * authorization @p auth. If a particular screen on that server is
- * preferred, the int pointed to by @p screenp (if not @c NULL) will
- * be set to that screen; otherwise @p screenp will be set to 0.
- */
-xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *display, xcb_auth_info_t *auth, int *screen);
-
-
-/* xcb_xid.c */
-
-/**
- * @brief Allocates an XID for a new object.
- * @param c: The connection.
- * @return A newly allocated XID.
- *
- * Allocates an XID for a new object. Typically used just prior to
- * various object creation functions, such as xcb_create_window.
- */
-uint32_t xcb_generate_id(xcb_connection_t *c);
-
-
-/**
- * @}
- */
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* __XCB_H__ */
+/* + * Copyright (C) 2001-2006 Bart Massey, Jamey Sharp, and Josh Triplett. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the names of the authors or their + * institutions shall not be used in advertising or otherwise to promote the + * sale, use or other dealings in this Software without prior written + * authorization from the authors. + */ + +#ifndef __XCB_H__ +#define __XCB_H__ +#include <sys/types.h> + +#if defined(__solaris__) +#include <inttypes.h> +#else +#include <stdint.h> +#endif + +#ifndef _WIN32 +#include <sys/uio.h> +#else +#include "xcb_windefs.h" +#endif +#include <pthread.h> + + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @file xcb.h + */ + +/** + * @defgroup XCB_Core_API XCB Core API + * @brief Core API of the XCB library. + * + * @{ + */ + +/* Pre-defined constants */ + +/** Current protocol version */ +#define X_PROTOCOL 11 + +/** Current minor version */ +#define X_PROTOCOL_REVISION 0 + +/** X_TCP_PORT + display number = server port for TCP transport */ +#define X_TCP_PORT 6000 + +/** xcb connection errors because of socket, pipe and other stream errors. */ +#define XCB_CONN_ERROR 1 + +/** xcb connection shutdown because of extension not sppported */ +#define XCB_CONN_CLOSED_EXT_NOTSUPPORTED 2 + +/** malloc(), calloc() and realloc() error upon failure, for eg ENOMEM */ +#define XCB_CONN_CLOSED_MEM_INSUFFICIENT 3 + +/** Connection closed, exceeding request length that server accepts. */ +#define XCB_CONN_CLOSED_REQ_LEN_EXCEED 4 + +/** Connection closed, error during parsing display string. */ +#define XCB_CONN_CLOSED_PARSE_ERR 5 + +#define XCB_TYPE_PAD(T,I) (-(I) & (sizeof(T) > 4 ? 3 : sizeof(T) - 1)) + +/* Opaque structures */ + +/** + * @brief XCB Connection structure. + * + * A structure that contain all data that XCB needs to communicate with an X server. + */ +typedef struct xcb_connection_t xcb_connection_t; /**< Opaque structure containing all data that XCB needs to communicate with an X server. */ + + +/* Other types */ + +/** + * @brief Generic iterator. + * + * A generic iterator structure. + */ +typedef struct { + void *data; /**< Data of the current iterator */ + int rem; /**< remaining elements */ + int index; /**< index of the current iterator */ +} xcb_generic_iterator_t; + +/** + * @brief Generic reply. + * + * A generic reply structure. + */ +typedef struct { + uint8_t response_type; /**< Type of the response */ + uint8_t pad0; /**< Padding */ + uint16_t sequence; /**< Sequence number */ + uint32_t length; /**< Length of the response */ +} xcb_generic_reply_t; + +/** + * @brief Generic event. + * + * A generic event structure. + */ +typedef struct { + uint8_t response_type; /**< Type of the response */ + uint8_t pad0; /**< Padding */ + uint16_t sequence; /**< Sequence number */ + uint32_t pad[7]; /**< Padding */ + uint32_t full_sequence; /**< full sequence */ +} xcb_generic_event_t; + +/** + * @brief GE event + * + * An event as sent by the XGE extension. The length field specifies the + * number of 4-byte blocks trailing the struct. + */ +typedef struct { + uint8_t response_type; /**< Type of the response */ + uint8_t pad0; /**< Padding */ + uint16_t sequence; /**< Sequence number */ + uint32_t length; + uint16_t event_type; + uint16_t pad1; + uint32_t pad[5]; /**< Padding */ + uint32_t full_sequence; /**< full sequence */ +} xcb_ge_event_t; + +/** + * @brief Generic error. + * + * A generic error structure. + */ +typedef struct { + uint8_t response_type; /**< Type of the response */ + uint8_t error_code; /**< Error code */ + uint16_t sequence; /**< Sequence number */ + uint32_t resource_id; /** < Resource ID for requests with side effects only */ + uint16_t minor_code; /** < Minor opcode of the failed request */ + uint8_t major_code; /** < Major opcode of the failed request */ + uint8_t pad0; + uint32_t pad[5]; /**< Padding */ + uint32_t full_sequence; /**< full sequence */ +} xcb_generic_error_t; + +/** + * @brief Generic cookie. + * + * A generic cookie structure. + */ +typedef struct { + unsigned int sequence; /**< Sequence number */ +} xcb_void_cookie_t; + + +/* Include the generated xproto header. */ +#include "xproto.h" + + +/** XCB_NONE is the universal null resource or null atom parameter value for many core X requests */ +#define XCB_NONE 0L + +/** XCB_COPY_FROM_PARENT can be used for many xcb_create_window parameters */ +#define XCB_COPY_FROM_PARENT 0L + +/** XCB_CURRENT_TIME can be used in most requests that take an xcb_timestamp_t */ +#define XCB_CURRENT_TIME 0L + +/** XCB_NO_SYMBOL fills in unused entries in xcb_keysym_t tables */ +#define XCB_NO_SYMBOL 0L + + +/* xcb_auth.c */ + +/** + * @brief Container for authorization information. + * + * A container for authorization information to be sent to the X server. + */ +typedef struct xcb_auth_info_t { + int namelen; /**< Length of the string name (as returned by strlen). */ + char *name; /**< String containing the authentication protocol name, such as "MIT-MAGIC-COOKIE-1" or "XDM-AUTHORIZATION-1". */ + int datalen; /**< Length of the data member. */ + char *data; /**< Data interpreted in a protocol-specific manner. */ +} xcb_auth_info_t; + + +/* xcb_out.c */ + +/** + * @brief Forces any buffered output to be written to the server. + * @param c: The connection to the X server. + * @return > @c 0 on success, <= @c 0 otherwise. + * + * Forces any buffered output to be written to the server. Blocks + * until the write is complete. + */ +int xcb_flush(xcb_connection_t *c); + +/** + * @brief Returns the maximum request length that this server accepts. + * @param c: The connection to the X server. + * @return The maximum request length field. + * + * In the absence of the BIG-REQUESTS extension, returns the + * maximum request length field from the connection setup data, which + * may be as much as 65535. If the server supports BIG-REQUESTS, then + * the maximum request length field from the reply to the + * BigRequestsEnable request will be returned instead. + * + * Note that this length is measured in four-byte units, making the + * theoretical maximum lengths roughly 256kB without BIG-REQUESTS and + * 16GB with. + */ +uint32_t xcb_get_maximum_request_length(xcb_connection_t *c); + +/** + * @brief Prefetch the maximum request length without blocking. + * @param c: The connection to the X server. + * + * Without blocking, does as much work as possible toward computing + * the maximum request length accepted by the X server. + * + * Invoking this function may cause a call to xcb_big_requests_enable, + * but will not block waiting for the reply. + * xcb_get_maximum_request_length will return the prefetched data + * after possibly blocking while the reply is retrieved. + * + * Note that in order for this function to be fully non-blocking, the + * application must previously have called + * xcb_prefetch_extension_data(c, &xcb_big_requests_id) and the reply + * must have already arrived. + */ +void xcb_prefetch_maximum_request_length(xcb_connection_t *c); + + +/* xcb_in.c */ + +/** + * @brief Returns the next event or error from the server. + * @param c: The connection to the X server. + * @return The next event from the server. + * + * Returns the next event or error from the server, or returns null in + * the event of an I/O error. Blocks until either an event or error + * arrive, or an I/O error occurs. + */ +xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c); + +/** + * @brief Returns the next event or error from the server. + * @param c: The connection to the X server. + * error status of the operation. + * @return The next event from the server. + * + * Returns the next event or error from the server, if one is + * available, or returns @c NULL otherwise. If no event is available, that + * might be because an I/O error like connection close occurred while + * attempting to read the next event, in which case the connection is + * shut down when this function returns. + */ +xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c); + +/** + * @brief Returns the next event without reading from the connection. + * @param c: The connection to the X server. + * @return The next already queued event from the server. + * + * This is a version of xcb_poll_for_event that only examines the + * event queue for new events. The function doesn't try to read new + * events from the connection if no queued events are found. + * + * This function is useful for callers that know in advance that all + * interesting events have already been read from the connection. For + * example, callers might use xcb_wait_for_reply and be interested + * only of events that preceded a specific reply. + */ +xcb_generic_event_t *xcb_poll_for_queued_event(xcb_connection_t *c); + +/** + * @brief Return the error for a request, or NULL if none can ever arrive. + * @param c: The connection to the X server. + * @param cookie: The request cookie. + * @return The error for the request, or NULL if none can ever arrive. + * + * The xcb_void_cookie_t cookie supplied to this function must have resulted + * from a call to xcb_[request_name]_checked(). This function will block + * until one of two conditions happens. If an error is received, it will be + * returned. If a reply to a subsequent request has already arrived, no error + * can arrive for this request, so this function will return NULL. + * + * Note that this function will perform a sync if needed to ensure that the + * sequence number will advance beyond that provided in cookie; this is a + * convenience to avoid races in determining whether the sync is needed. + */ +xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie); + +/** + * @brief Discards the reply for a request. + * @param c: The connection to the X server. + * @param sequence: The request sequence number from a cookie. + * + * Discards the reply for a request. Additionally, any error generated + * by the request is also discarded (unless it was an _unchecked request + * and the error has already arrived). + * + * This function will not block even if the reply is not yet available. + * + * Note that the sequence really does have to come from an xcb cookie; + * this function is not designed to operate on socket-handoff replies. + */ +void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence); + + +/* xcb_ext.c */ + +/** + * @typedef typedef struct xcb_extension_t xcb_extension_t + */ +typedef struct xcb_extension_t xcb_extension_t; /**< Opaque structure used as key for xcb_get_extension_data_t. */ + +/** + * @brief Caches reply information from QueryExtension requests. + * @param c: The connection. + * @param ext: The extension data. + * @return A pointer to the xcb_query_extension_reply_t for the extension. + * + * This function is the primary interface to the "extension cache", + * which caches reply information from QueryExtension + * requests. Invoking this function may cause a call to + * xcb_query_extension to retrieve extension information from the + * server, and may block until extension data is received from the + * server. + * + * The result must not be freed. This storage is managed by the cache + * itself. + */ +const xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext); + +/** + * @brief Prefetch of extension data into the extension cache + * @param c: The connection. + * @param ext: The extension data. + * + * This function allows a "prefetch" of extension data into the + * extension cache. Invoking the function may cause a call to + * xcb_query_extension, but will not block waiting for the + * reply. xcb_get_extension_data will return the prefetched data after + * possibly blocking while it is retrieved. + */ +void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext); + + +/* xcb_conn.c */ + +/** + * @brief Access the data returned by the server. + * @param c: The connection. + * @return A pointer to an xcb_setup_t structure. + * + * Accessor for the data returned by the server when the xcb_connection_t + * was initialized. This data includes + * - the server's required format for images, + * - a list of available visuals, + * - a list of available screens, + * - the server's maximum request length (in the absence of the + * BIG-REQUESTS extension), + * - and other assorted information. + * + * See the X protocol specification for more details. + * + * The result must not be freed. + */ +const xcb_setup_t *xcb_get_setup(xcb_connection_t *c); + +/** + * @brief Access the file descriptor of the connection. + * @param c: The connection. + * @return The file descriptor. + * + * Accessor for the file descriptor that was passed to the + * xcb_connect_to_fd call that returned @p c. + */ +int xcb_get_file_descriptor(xcb_connection_t *c); + +/** + * @brief Test whether the connection has shut down due to a fatal error. + * @param c: The connection. + * @return > 0 if the connection is in an error state; 0 otherwise. + * + * Some errors that occur in the context of an xcb_connection_t + * are unrecoverable. When such an error occurs, the + * connection is shut down and further operations on the + * xcb_connection_t have no effect. + * + * @return XCB_CONN_ERROR, because of socket errors, pipe errors or other stream errors. + * @return XCB_CONN_CLOSED_EXT_NOTSUPPORTED, when extension not supported. + * @return XCB_CONN_CLOSED_MEM_INSUFFICIENT, when memory not available. + * @return XCB_CONN_CLOSED_REQ_LEN_EXCEED, exceeding request length that server accepts. + * @return XCB_CONN_CLOSED_PARSE_ERR, error during parsing display string. + */ +int xcb_connection_has_error(xcb_connection_t *c); + +/** + * @brief Connects to the X server. + * @param fd: The file descriptor. + * @param auth_info: Authentication data. + * @return A newly allocated xcb_connection_t structure. + * + * Connects to an X server, given the open socket @p fd and the + * xcb_auth_info_t @p auth_info. The file descriptor @p fd is + * bidirectionally connected to an X server. If the connection + * should be unauthenticated, @p auth_info must be @c + * NULL. + */ +xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info); + +/** + * @brief Closes the connection. + * @param c: The connection. + * + * Closes the file descriptor and frees all memory associated with the + * connection @c c. + */ +void xcb_disconnect(xcb_connection_t *c); + + +/* xcb_util.c */ + +/** + * @brief Parses a display string name in the form documented by X(7x). + * @param name: The name of the display. + * @param host: A pointer to a malloc'd copy of the hostname. + * @param display: A pointer to the display number. + * @param screen: A pointer to the screen number. + * @return 0 on failure, non 0 otherwise. + * + * Parses the display string name @p display_name in the form + * documented by X(7x). Has no side effects on failure. If + * @p displayname is @c NULL or empty, it uses the environment + * variable DISPLAY. @p hostp is a pointer to a newly allocated string + * that contain the host name. @p displayp is set to the display + * number and @p screenp to the preferred screen number. @p screenp + * can be @c NULL. If @p displayname does not contain a screen number, + * it is set to @c 0. + */ +int xcb_parse_display(const char *name, char **host, int *display, int *screen); + +/** + * @brief Connects to the X server. + * @param displayname: The name of the display. + * @param screenp: A pointer to a preferred screen number. + * @return A newly allocated xcb_connection_t structure. + * + * Connects to the X server specified by @p displayname. If @p + * displayname is @c NULL, uses the value of the DISPLAY environment + * variable. If a particular screen on that server is preferred, the + * int pointed to by @p screenp (if not @c NULL) will be set to that + * screen; otherwise the screen will be set to 0. + */ +xcb_connection_t *xcb_connect(const char *displayname, int *screenp); + +/** + * @brief Connects to the X server, using an authorization information. + * @param display: The name of the display. + * @param auth: The authorization information. + * @param screen: A pointer to a preferred screen number. + * @return A newly allocated xcb_connection_t structure. + * + * Connects to the X server specified by @p displayname, using the + * authorization @p auth. If a particular screen on that server is + * preferred, the int pointed to by @p screenp (if not @c NULL) will + * be set to that screen; otherwise @p screenp will be set to 0. + */ +xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *display, xcb_auth_info_t *auth, int *screen); + + +/* xcb_xid.c */ + +/** + * @brief Allocates an XID for a new object. + * @param c: The connection. + * @return A newly allocated XID. + * + * Allocates an XID for a new object. Typically used just prior to + * various object creation functions, such as xcb_create_window. + */ +uint32_t xcb_generate_id(xcb_connection_t *c); + + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + + +#endif /* __XCB_H__ */ diff --git a/include/xcb/xcb_windefs.h b/include/xcb/xcb_windefs.h index 5b3493d1a..9789735f2 100644 --- a/include/xcb/xcb_windefs.h +++ b/include/xcb/xcb_windefs.h @@ -40,6 +40,8 @@ #include <ws2tcpip.h>
#include <windef.h>
+typedef unsigned char BYTE;
+
typedef unsigned int in_addr_t;
#define HANDLE void *
diff --git a/include/xcb/xproto.h b/include/xcb/xproto.h index 2872c8c75..55fb38d6a 100644 --- a/include/xcb/xproto.h +++ b/include/xcb/xproto.h @@ -2668,6 +2668,7 @@ typedef struct xcb_set_font_path_request_t { uint8_t pad0; /**< */
uint16_t length; /**< */
uint16_t font_qty; /**< */
+ uint8_t pad1[2]; /**< */
} xcb_set_font_path_request_t;
/**
@@ -9950,8 +9951,7 @@ xcb_list_fonts_with_info_reply (xcb_connection_t *c /**< */, xcb_generic_error_t **e /**< */);
int
-xcb_set_font_path_sizeof (const void *_buffer /**< */,
- uint32_t path_len /**< */);
+xcb_set_font_path_sizeof (const void *_buffer /**< */);
/**
* Delivers a request to the X server
@@ -9971,8 +9971,7 @@ xcb_set_font_path_sizeof (const void *_buffer /**< */, **
** @param xcb_connection_t *c
** @param uint16_t font_qty
- ** @param uint32_t path_len
- ** @param const char *path
+ ** @param const xcb_str_t *font
** @returns xcb_void_cookie_t
**
*****************************************************************************/
@@ -9980,8 +9979,7 @@ xcb_set_font_path_sizeof (const void *_buffer /**< */, xcb_void_cookie_t
xcb_set_font_path_checked (xcb_connection_t *c /**< */,
uint16_t font_qty /**< */,
- uint32_t path_len /**< */,
- const char *path /**< */);
+ const xcb_str_t *font /**< */);
/**
* Delivers a request to the X server
@@ -9998,8 +9996,7 @@ xcb_set_font_path_checked (xcb_connection_t *c /**< */, **
** @param xcb_connection_t *c
** @param uint16_t font_qty
- ** @param uint32_t path_len
- ** @param const char *path
+ ** @param const xcb_str_t *font
** @returns xcb_void_cookie_t
**
*****************************************************************************/
@@ -10007,8 +10004,7 @@ xcb_set_font_path_checked (xcb_connection_t *c /**< */, xcb_void_cookie_t
xcb_set_font_path (xcb_connection_t *c /**< */,
uint16_t font_qty /**< */,
- uint32_t path_len /**< */,
- const char *path /**< */);
+ const xcb_str_t *font /**< */);
int
xcb_get_font_path_sizeof (const void *_buffer /**< */);
@@ -14578,7 +14574,7 @@ xcb_change_hosts_sizeof (const void *_buffer /**< */); ** @param uint8_t mode
** @param uint8_t family
** @param uint16_t address_len
- ** @param const char *address
+ ** @param const uint8_t *address
** @returns xcb_void_cookie_t
**
*****************************************************************************/
@@ -14588,7 +14584,7 @@ xcb_change_hosts_checked (xcb_connection_t *c /**< */, uint8_t mode /**< */,
uint8_t family /**< */,
uint16_t address_len /**< */,
- const char *address /**< */);
+ const uint8_t *address /**< */);
/**
* Delivers a request to the X server
@@ -14607,7 +14603,7 @@ xcb_change_hosts_checked (xcb_connection_t *c /**< */, ** @param uint8_t mode
** @param uint8_t family
** @param uint16_t address_len
- ** @param const char *address
+ ** @param const uint8_t *address
** @returns xcb_void_cookie_t
**
*****************************************************************************/
@@ -14617,7 +14613,7 @@ xcb_change_hosts (xcb_connection_t *c /**< */, uint8_t mode /**< */,
uint8_t family /**< */,
uint16_t address_len /**< */,
- const char *address /**< */);
+ const uint8_t *address /**< */);
int
xcb_host_sizeof (const void *_buffer /**< */);
|