From 40ea1e0ebcaba2afff5888e4fd86f6df6816a285 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 30 Jan 2012 13:13:50 +0100 Subject: synchronized files --- gl/internal/dri_interface.h | 1987 ++++++++++++++++++++++--------------------- 1 file changed, 997 insertions(+), 990 deletions(-) (limited to 'gl/internal') 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 - * \author Ian Romanick - * \author Kristian Høgsberg - */ - -#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 -#else -typedef unsigned int drm_context_t; -typedef unsigned int drm_drawable_t; -typedef struct drm_clip_rect drm_clip_rect_t; -#endif - -#include - -/** - * \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 + * \author Ian Romanick + * \author Kristian Høgsberg + */ + +#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 +#else +typedef unsigned int drm_context_t; +typedef unsigned int drm_drawable_t; +typedef struct drm_clip_rect drm_clip_rect_t; +#endif + +#include + +/** + * \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 -- cgit v1.2.3