895 lines
29 KiB
C
895 lines
29 KiB
C
/*
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* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2007-2008 Red Hat, Inc.
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* (C) Copyright IBM Corporation 2004
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file dri_interface.h
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*
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* This file contains all the types and functions that define the interface
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* between a DRI driver and driver loader. Currently, the most common driver
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* loader is the XFree86 libGL.so. However, other loaders do exist, and in
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* the future the server-side libglx.a will also be a loader.
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*
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* \author Kevin E. Martin <kevin@precisioninsight.com>
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* \author Ian Romanick <idr@us.ibm.com>
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* \author Kristian Høgsberg <krh@redhat.com>
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*/
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#ifndef DRI_INTERFACE_H
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#define DRI_INTERFACE_H
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/* For archs with no drm.h */
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#if defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__)
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#ifndef __NOT_HAVE_DRM_H
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#define __NOT_HAVE_DRM_H
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#endif
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#endif
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#ifndef __NOT_HAVE_DRM_H
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#include <drm.h>
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#else
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typedef unsigned int drm_context_t;
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typedef unsigned int drm_drawable_t;
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typedef struct drm_clip_rect drm_clip_rect_t;
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#endif
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/**
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* \name DRI interface structures
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*
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* The following structures define the interface between the GLX client
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* side library and the DRI (direct rendering infrastructure).
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*/
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/*@{*/
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typedef struct __DRIdisplayRec __DRIdisplay;
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typedef struct __DRIscreenRec __DRIscreen;
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typedef struct __DRIcontextRec __DRIcontext;
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typedef struct __DRIdrawableRec __DRIdrawable;
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typedef struct __DRIconfigRec __DRIconfig;
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typedef struct __DRIframebufferRec __DRIframebuffer;
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typedef struct __DRIversionRec __DRIversion;
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typedef struct __DRIcoreExtensionRec __DRIcoreExtension;
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typedef struct __DRIextensionRec __DRIextension;
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typedef struct __DRIcopySubBufferExtensionRec __DRIcopySubBufferExtension;
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typedef struct __DRIswapControlExtensionRec __DRIswapControlExtension;
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typedef struct __DRIframeTrackingExtensionRec __DRIframeTrackingExtension;
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typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension;
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typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension;
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typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension;
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typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension;
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typedef struct __DRIswrastExtensionRec __DRIswrastExtension;
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typedef struct __DRIbufferRec __DRIbuffer;
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typedef struct __DRIdri2ExtensionRec __DRIdri2Extension;
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typedef struct __DRIdri2LoaderExtensionRec __DRIdri2LoaderExtension;
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typedef struct __DRI2flushExtensionRec __DRI2flushExtension;
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/*@}*/
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/**
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* Extension struct. Drivers 'inherit' from this struct by embedding
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* it as the first element in the extension struct.
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*
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* We never break API in for a DRI extension. If we need to change
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* the way things work in a non-backwards compatible manner, we
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* introduce a new extension. During a transition period, we can
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* leave both the old and the new extension in the driver, which
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* allows us to move to the new interface without having to update the
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* loader(s) in lock step.
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*
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* However, we can add entry points to an extension over time as long
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* as we don't break the old ones. As we add entry points to an
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* extension, we increase the version number. The corresponding
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* #define can be used to guard code that accesses the new entry
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* points at compile time and the version field in the extension
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* struct can be used at run-time to determine how to use the
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* extension.
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*/
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struct __DRIextensionRec {
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const char *name;
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int version;
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};
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/**
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* The first set of extension are the screen extensions, returned by
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* __DRIcore::getExtensions(). This entry point will return a list of
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* extensions and the loader can use the ones it knows about by
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* casting them to more specific extensions and advertising any GLX
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* extensions the DRI extensions enables.
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*/
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/**
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* Used by drivers to indicate support for setting the read drawable.
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*/
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#define __DRI_READ_DRAWABLE "DRI_ReadDrawable"
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#define __DRI_READ_DRAWABLE_VERSION 1
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/**
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* Used by drivers that implement the GLX_MESA_copy_sub_buffer extension.
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*/
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#define __DRI_COPY_SUB_BUFFER "DRI_CopySubBuffer"
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#define __DRI_COPY_SUB_BUFFER_VERSION 1
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struct __DRIcopySubBufferExtensionRec {
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__DRIextension base;
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void (*copySubBuffer)(__DRIdrawable *drawable, int x, int y, int w, int h);
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};
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/**
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* Used by drivers that implement the GLX_SGI_swap_control or
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* GLX_MESA_swap_control extension.
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*/
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#define __DRI_SWAP_CONTROL "DRI_SwapControl"
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#define __DRI_SWAP_CONTROL_VERSION 1
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struct __DRIswapControlExtensionRec {
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__DRIextension base;
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void (*setSwapInterval)(__DRIdrawable *drawable, unsigned int inteval);
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unsigned int (*getSwapInterval)(__DRIdrawable *drawable);
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};
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/**
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* Used by drivers that implement the GLX_MESA_swap_frame_usage extension.
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*/
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#define __DRI_FRAME_TRACKING "DRI_FrameTracking"
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#define __DRI_FRAME_TRACKING_VERSION 1
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struct __DRIframeTrackingExtensionRec {
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__DRIextension base;
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/**
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* Enable or disable frame usage tracking.
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*
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* \since Internal API version 20030317.
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*/
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int (*frameTracking)(__DRIdrawable *drawable, GLboolean enable);
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/**
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* Retrieve frame usage information.
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*
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* \since Internal API version 20030317.
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*/
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int (*queryFrameTracking)(__DRIdrawable *drawable,
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int64_t * sbc, int64_t * missedFrames,
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float * lastMissedUsage, float * usage);
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};
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/**
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* Used by drivers that implement the GLX_SGI_video_sync extension.
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*/
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#define __DRI_MEDIA_STREAM_COUNTER "DRI_MediaStreamCounter"
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#define __DRI_MEDIA_STREAM_COUNTER_VERSION 1
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struct __DRImediaStreamCounterExtensionRec {
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__DRIextension base;
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/**
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* Wait for the MSC to equal target_msc, or, if that has already passed,
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* the next time (MSC % divisor) is equal to remainder. If divisor is
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* zero, the function will return as soon as MSC is greater than or equal
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* to target_msc.
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*/
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int (*waitForMSC)(__DRIdrawable *drawable,
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int64_t target_msc, int64_t divisor, int64_t remainder,
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int64_t * msc, int64_t * sbc);
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/**
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* Get the number of vertical refreshes since some point in time before
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* this function was first called (i.e., system start up).
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*/
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int (*getDrawableMSC)(__DRIscreen *screen, __DRIdrawable *drawable,
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int64_t *msc);
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};
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#define __DRI_TEX_OFFSET "DRI_TexOffset"
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#define __DRI_TEX_OFFSET_VERSION 1
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struct __DRItexOffsetExtensionRec {
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__DRIextension base;
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/**
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* Method to override base texture image with a driver specific 'offset'.
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* The depth passed in allows e.g. to ignore the alpha channel of texture
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* images where the non-alpha components don't occupy a whole texel.
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*
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* For GLX_EXT_texture_from_pixmap with AIGLX.
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*/
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void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname,
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unsigned long long offset, GLint depth, GLuint pitch);
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};
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/* Valid values for format in the setTexBuffer2 function below. These
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* values match the GLX tokens for compatibility reasons, but we
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* define them here since the DRI interface can't depend on GLX. */
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#define __DRI_TEXTURE_FORMAT_NONE 0x20D8
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#define __DRI_TEXTURE_FORMAT_RGB 0x20D9
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#define __DRI_TEXTURE_FORMAT_RGBA 0x20DA
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#define __DRI_TEX_BUFFER "DRI_TexBuffer"
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#define __DRI_TEX_BUFFER_VERSION 2
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struct __DRItexBufferExtensionRec {
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__DRIextension base;
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/**
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* Method to override base texture image with the contents of a
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* __DRIdrawable.
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*
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* For GLX_EXT_texture_from_pixmap with AIGLX. Deprecated in favor of
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* setTexBuffer2 in version 2 of this interface
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*/
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void (*setTexBuffer)(__DRIcontext *pDRICtx,
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GLint target,
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__DRIdrawable *pDraw);
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/**
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* Method to override base texture image with the contents of a
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* __DRIdrawable, including the required texture format attribute.
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*
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* For GLX_EXT_texture_from_pixmap with AIGLX.
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*/
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void (*setTexBuffer2)(__DRIcontext *pDRICtx,
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GLint target,
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GLint format,
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__DRIdrawable *pDraw);
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/**
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* Method to release texture buffer in case some special platform
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* need this.
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*
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* For GLX_EXT_texture_from_pixmap with AIGLX.
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*/
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void (*releaseTexBuffer)(__DRIcontext *pDRICtx,
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GLint target,
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__DRIdrawable *pDraw);
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};
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/**
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* Used by drivers that implement DRI2
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*/
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#define __DRI2_FLUSH "DRI2_Flush"
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#define __DRI2_FLUSH_VERSION 3
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struct __DRI2flushExtensionRec {
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__DRIextension base;
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void (*flush)(__DRIdrawable *drawable);
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/**
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* Ask the driver to call getBuffers/getBuffersWithFormat before
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* it starts rendering again.
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*
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* \param drawable the drawable to invalidate
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*
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* \since 3
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*/
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void (*invalidate)(__DRIdrawable *drawable);
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};
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/**
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* XML document describing the configuration options supported by the
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* driver.
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*/
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extern const char __driConfigOptions[];
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/*@}*/
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/**
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* The following extensions describe loader features that the DRI
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* driver can make use of. Some of these are mandatory, such as the
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* getDrawableInfo extension for DRI and the DRI Loader extensions for
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* DRI2, while others are optional, and if present allow the driver to
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* expose certain features. The loader pass in a NULL terminated
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* array of these extensions to the driver in the createNewScreen
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* constructor.
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*/
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typedef struct __DRIgetDrawableInfoExtensionRec __DRIgetDrawableInfoExtension;
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typedef struct __DRIsystemTimeExtensionRec __DRIsystemTimeExtension;
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typedef struct __DRIdamageExtensionRec __DRIdamageExtension;
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typedef struct __DRIloaderExtensionRec __DRIloaderExtension;
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typedef struct __DRIswrastLoaderExtensionRec __DRIswrastLoaderExtension;
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/**
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* Callback to getDrawableInfo protocol
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*/
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#define __DRI_GET_DRAWABLE_INFO "DRI_GetDrawableInfo"
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#define __DRI_GET_DRAWABLE_INFO_VERSION 1
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struct __DRIgetDrawableInfoExtensionRec {
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__DRIextension base;
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/**
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* This function is used to get information about the position, size, and
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* clip rects of a drawable.
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*/
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GLboolean (* getDrawableInfo) ( __DRIdrawable *drawable,
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unsigned int * index, unsigned int * stamp,
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int * x, int * y, int * width, int * height,
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int * numClipRects, drm_clip_rect_t ** pClipRects,
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int * backX, int * backY,
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int * numBackClipRects, drm_clip_rect_t ** pBackClipRects,
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void *loaderPrivate);
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};
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/**
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* Callback to get system time for media stream counter extensions.
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*/
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#define __DRI_SYSTEM_TIME "DRI_SystemTime"
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#define __DRI_SYSTEM_TIME_VERSION 1
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struct __DRIsystemTimeExtensionRec {
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__DRIextension base;
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/**
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* Get the 64-bit unadjusted system time (UST).
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*/
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int (*getUST)(int64_t * ust);
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/**
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* Get the media stream counter (MSC) rate.
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*
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* Matching the definition in GLX_OML_sync_control, this function returns
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* the rate of the "media stream counter". In practical terms, this is
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* the frame refresh rate of the display.
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*/
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GLboolean (*getMSCRate)(__DRIdrawable *draw,
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int32_t * numerator, int32_t * denominator,
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void *loaderPrivate);
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};
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/**
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* Damage reporting
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*/
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#define __DRI_DAMAGE "DRI_Damage"
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#define __DRI_DAMAGE_VERSION 1
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struct __DRIdamageExtensionRec {
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__DRIextension base;
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/**
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* Reports areas of the given drawable which have been modified by the
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* driver.
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*
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* \param drawable which the drawing was done to.
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* \param rects rectangles affected, with the drawable origin as the
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* origin.
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* \param x X offset of the drawable within the screen (used in the
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* front_buffer case)
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* \param y Y offset of the drawable within the screen.
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* \param front_buffer boolean flag for whether the drawing to the
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* drawable was actually done directly to the front buffer (instead
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* of backing storage, for example)
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* \param loaderPrivate the data passed in at createNewDrawable time
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*/
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void (*reportDamage)(__DRIdrawable *draw,
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int x, int y,
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drm_clip_rect_t *rects, int num_rects,
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GLboolean front_buffer,
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void *loaderPrivate);
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};
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#define __DRI_SWRAST_IMAGE_OP_DRAW 1
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#define __DRI_SWRAST_IMAGE_OP_CLEAR 2
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#define __DRI_SWRAST_IMAGE_OP_SWAP 3
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/**
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* SWRast Loader extension.
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*/
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#define __DRI_SWRAST_LOADER "DRI_SWRastLoader"
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#define __DRI_SWRAST_LOADER_VERSION 1
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struct __DRIswrastLoaderExtensionRec {
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__DRIextension base;
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/*
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* Drawable position and size
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*/
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void (*getDrawableInfo)(__DRIdrawable *drawable,
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int *x, int *y, int *width, int *height,
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void *loaderPrivate);
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/**
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* Put image to drawable
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*/
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void (*putImage)(__DRIdrawable *drawable, int op,
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int x, int y, int width, int height,
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char *data, void *loaderPrivate);
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/**
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* Get image from readable
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*/
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void (*getImage)(__DRIdrawable *readable,
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int x, int y, int width, int height,
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char *data, void *loaderPrivate);
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};
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/**
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* Invalidate loader extension. The presence of this extension
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* indicates to the DRI driver that the loader will call invalidate in
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* the __DRI2_FLUSH extension, whenever the needs to query for new
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* buffers. This means that the DRI driver can drop the polling in
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* glViewport().
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*
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* The extension doesn't provide any functionality, it's only use to
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* indicate to the driver that it can use the new semantics. A DRI
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* driver can use this to switch between the different semantics or
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* just refuse to initialize if this extension isn't present.
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*/
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#define __DRI_USE_INVALIDATE "DRI_UseInvalidate"
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#define __DRI_USE_INVALIDATE_VERSION 1
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typedef struct __DRIuseInvalidateExtensionRec __DRIuseInvalidateExtension;
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struct __DRIuseInvalidateExtensionRec {
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__DRIextension base;
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};
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/**
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* The remaining extensions describe driver extensions, immediately
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* available interfaces provided by the driver. To start using the
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* driver, dlsym() for the __DRI_DRIVER_EXTENSIONS symbol and look for
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* the extension you need in the array.
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*/
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#define __DRI_DRIVER_EXTENSIONS "__driDriverExtensions"
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/**
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* Tokens for __DRIconfig attribs. A number of attributes defined by
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* GLX or EGL standards are not in the table, as they must be provided
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* by the loader. For example, FBConfig ID or visual ID, drawable type.
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*/
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#define __DRI_ATTRIB_BUFFER_SIZE 1
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#define __DRI_ATTRIB_LEVEL 2
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#define __DRI_ATTRIB_RED_SIZE 3
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#define __DRI_ATTRIB_GREEN_SIZE 4
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#define __DRI_ATTRIB_BLUE_SIZE 5
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#define __DRI_ATTRIB_LUMINANCE_SIZE 6
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#define __DRI_ATTRIB_ALPHA_SIZE 7
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#define __DRI_ATTRIB_ALPHA_MASK_SIZE 8
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#define __DRI_ATTRIB_DEPTH_SIZE 9
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#define __DRI_ATTRIB_STENCIL_SIZE 10
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#define __DRI_ATTRIB_ACCUM_RED_SIZE 11
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#define __DRI_ATTRIB_ACCUM_GREEN_SIZE 12
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#define __DRI_ATTRIB_ACCUM_BLUE_SIZE 13
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#define __DRI_ATTRIB_ACCUM_ALPHA_SIZE 14
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#define __DRI_ATTRIB_SAMPLE_BUFFERS 15
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#define __DRI_ATTRIB_SAMPLES 16
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#define __DRI_ATTRIB_RENDER_TYPE 17
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#define __DRI_ATTRIB_CONFIG_CAVEAT 18
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#define __DRI_ATTRIB_CONFORMANT 19
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#define __DRI_ATTRIB_DOUBLE_BUFFER 20
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#define __DRI_ATTRIB_STEREO 21
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#define __DRI_ATTRIB_AUX_BUFFERS 22
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#define __DRI_ATTRIB_TRANSPARENT_TYPE 23
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#define __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE 24
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#define __DRI_ATTRIB_TRANSPARENT_RED_VALUE 25
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#define __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE 26
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#define __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE 27
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#define __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE 28
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#define __DRI_ATTRIB_FLOAT_MODE 29
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#define __DRI_ATTRIB_RED_MASK 30
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#define __DRI_ATTRIB_GREEN_MASK 31
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#define __DRI_ATTRIB_BLUE_MASK 32
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#define __DRI_ATTRIB_ALPHA_MASK 33
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|
#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 2
|
|
|
|
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);
|
|
};
|
|
|
|
/**
|
|
* 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
|
|
|
|
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 2
|
|
|
|
#define __DRI_API_OPENGL 0
|
|
#define __DRI_API_GLES 1
|
|
#define __DRI_API_GLES2 2
|
|
|
|
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);
|
|
};
|
|
|
|
|
|
/**
|
|
* 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_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
|