duckstation

duckstation, but archived from the revision just before upstream changed it to a proprietary software project, this version is the libre one
git clone https://git.neptards.moe/u3shit/duckstation.git
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hwcontext_vaapi.h (3787B)

      1 /*
      2  * This file is part of FFmpeg.
      3  *
      4  * FFmpeg is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Lesser General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2.1 of the License, or (at your option) any later version.
      8  *
      9  * FFmpeg is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Lesser General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Lesser General Public
     15  * License along with FFmpeg; if not, write to the Free Software
     16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     17  */
     18 
     19 #ifndef AVUTIL_HWCONTEXT_VAAPI_H
     20 #define AVUTIL_HWCONTEXT_VAAPI_H
     21 
     22 #include <va/va.h>
     23 
     24 /**
     25  * @file
     26  * API-specific header for AV_HWDEVICE_TYPE_VAAPI.
     27  *
     28  * Dynamic frame pools are supported, but note that any pool used as a render
     29  * target is required to be of fixed size in order to be be usable as an
     30  * argument to vaCreateContext().
     31  *
     32  * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
     33  * with the data pointer set to a VASurfaceID.
     34  */
     35 
     36 enum {
     37     /**
     38      * The quirks field has been set by the user and should not be detected
     39      * automatically by av_hwdevice_ctx_init().
     40      */
     41     AV_VAAPI_DRIVER_QUIRK_USER_SET = (1 << 0),
     42     /**
     43      * The driver does not destroy parameter buffers when they are used by
     44      * vaRenderPicture().  Additional code will be required to destroy them
     45      * separately afterwards.
     46      */
     47     AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS = (1 << 1),
     48 
     49     /**
     50      * The driver does not support the VASurfaceAttribMemoryType attribute,
     51      * so the surface allocation code will not try to use it.
     52      */
     53     AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE = (1 << 2),
     54 
     55     /**
     56      * The driver does not support surface attributes at all.
     57      * The surface allocation code will never pass them to surface allocation,
     58      * and the results of the vaQuerySurfaceAttributes() call will be faked.
     59      */
     60     AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES = (1 << 3),
     61 };
     62 
     63 /**
     64  * VAAPI connection details.
     65  *
     66  * Allocated as AVHWDeviceContext.hwctx
     67  */
     68 typedef struct AVVAAPIDeviceContext {
     69     /**
     70      * The VADisplay handle, to be filled by the user.
     71      */
     72     VADisplay display;
     73     /**
     74      * Driver quirks to apply - this is filled by av_hwdevice_ctx_init(),
     75      * with reference to a table of known drivers, unless the
     76      * AV_VAAPI_DRIVER_QUIRK_USER_SET bit is already present.  The user
     77      * may need to refer to this field when performing any later
     78      * operations using VAAPI with the same VADisplay.
     79      */
     80     unsigned int driver_quirks;
     81 } AVVAAPIDeviceContext;
     82 
     83 /**
     84  * VAAPI-specific data associated with a frame pool.
     85  *
     86  * Allocated as AVHWFramesContext.hwctx.
     87  */
     88 typedef struct AVVAAPIFramesContext {
     89     /**
     90      * Set by the user to apply surface attributes to all surfaces in
     91      * the frame pool.  If null, default settings are used.
     92      */
     93     VASurfaceAttrib *attributes;
     94     int           nb_attributes;
     95     /**
     96      * The surfaces IDs of all surfaces in the pool after creation.
     97      * Only valid if AVHWFramesContext.initial_pool_size was positive.
     98      * These are intended to be used as the render_targets arguments to
     99      * vaCreateContext().
    100      */
    101     VASurfaceID     *surface_ids;
    102     int           nb_surfaces;
    103 } AVVAAPIFramesContext;
    104 
    105 /**
    106  * VAAPI hardware pipeline configuration details.
    107  *
    108  * Allocated with av_hwdevice_hwconfig_alloc().
    109  */
    110 typedef struct AVVAAPIHWConfig {
    111     /**
    112      * ID of a VAAPI pipeline configuration.
    113      */
    114     VAConfigID config_id;
    115 } AVVAAPIHWConfig;
    116 
    117 #endif /* AVUTIL_HWCONTEXT_VAAPI_H */