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_opencl.h (3097B)

      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_OPENCL_H
     20 #define AVUTIL_HWCONTEXT_OPENCL_H
     21 
     22 #ifdef __APPLE__
     23 #include <OpenCL/cl.h>
     24 #else
     25 #include <CL/cl.h>
     26 #endif
     27 
     28 #include "frame.h"
     29 
     30 /**
     31  * @file
     32  * API-specific header for AV_HWDEVICE_TYPE_OPENCL.
     33  *
     34  * Pools allocated internally are always dynamic, and are primarily intended
     35  * to be used in OpenCL-only cases.  If interoperation is required, it is
     36  * typically required to allocate frames in the other API and then map the
     37  * frames context to OpenCL with av_hwframe_ctx_create_derived().
     38  */
     39 
     40 /**
     41  * OpenCL frame descriptor for pool allocation.
     42  *
     43  * In user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
     44  * with the data pointer pointing at an object of this type describing the
     45  * planes of the frame.
     46  */
     47 typedef struct AVOpenCLFrameDescriptor {
     48     /**
     49      * Number of planes in the frame.
     50      */
     51     int nb_planes;
     52     /**
     53      * OpenCL image2d objects for each plane of the frame.
     54      */
     55     cl_mem planes[AV_NUM_DATA_POINTERS];
     56 } AVOpenCLFrameDescriptor;
     57 
     58 /**
     59  * OpenCL device details.
     60  *
     61  * Allocated as AVHWDeviceContext.hwctx
     62  */
     63 typedef struct AVOpenCLDeviceContext {
     64     /**
     65      * The primary device ID of the device.  If multiple OpenCL devices
     66      * are associated with the context then this is the one which will
     67      * be used for all operations internal to FFmpeg.
     68      */
     69     cl_device_id device_id;
     70     /**
     71      * The OpenCL context which will contain all operations and frames on
     72      * this device.
     73      */
     74     cl_context context;
     75     /**
     76      * The default command queue for this device, which will be used by all
     77      * frames contexts which do not have their own command queue.  If not
     78      * intialised by the user, a default queue will be created on the
     79      * primary device.
     80      */
     81     cl_command_queue command_queue;
     82 } AVOpenCLDeviceContext;
     83 
     84 /**
     85  * OpenCL-specific data associated with a frame pool.
     86  *
     87  * Allocated as AVHWFramesContext.hwctx.
     88  */
     89 typedef struct AVOpenCLFramesContext {
     90     /**
     91      * The command queue used for internal asynchronous operations on this
     92      * device (av_hwframe_transfer_data(), av_hwframe_map()).
     93      *
     94      * If this is not set, the command queue from the associated device is
     95      * used instead.
     96      */
     97     cl_command_queue command_queue;
     98 } AVOpenCLFramesContext;
     99 
    100 #endif /* AVUTIL_HWCONTEXT_OPENCL_H */