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      1 /*
      2  * Copyright 2014, 2015 Red Hat.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 #ifndef VIRGL_WINSYS_H
     24 #define VIRGL_WINSYS_H
     25 
     26 #include "pipe/p_defines.h"
     27 #include "virgl_hw.h"
     28 
     29 struct pipe_box;
     30 struct pipe_fence_handle;
     31 struct winsys_handle;
     32 struct virgl_hw_res;
     33 
     34 #define VIRGL_MAX_CMDBUF_DWORDS (16*1024)
     35 
     36 struct virgl_drm_caps {
     37    union virgl_caps caps;
     38 };
     39 
     40 struct virgl_cmd_buf {
     41    unsigned cdw;
     42    uint32_t *buf;
     43 };
     44 
     45 struct virgl_winsys {
     46    unsigned pci_id;
     47 
     48    void (*destroy)(struct virgl_winsys *vws);
     49 
     50    int (*transfer_put)(struct virgl_winsys *vws,
     51                        struct virgl_hw_res *res,
     52                        const struct pipe_box *box,
     53                        uint32_t stride, uint32_t layer_stride,
     54                        uint32_t buf_offset, uint32_t level);
     55 
     56    int (*transfer_get)(struct virgl_winsys *vws,
     57                        struct virgl_hw_res *res,
     58                        const struct pipe_box *box,
     59                        uint32_t stride, uint32_t layer_stride,
     60                        uint32_t buf_offset, uint32_t level);
     61 
     62    struct virgl_hw_res *(*resource_create)(struct virgl_winsys *vws,
     63                                enum pipe_texture_target target,
     64                                uint32_t format, uint32_t bind,
     65                                uint32_t width, uint32_t height,
     66                                uint32_t depth, uint32_t array_size,
     67                                uint32_t last_level, uint32_t nr_samples,
     68                                uint32_t size);
     69 
     70    void (*resource_unref)(struct virgl_winsys *vws, struct virgl_hw_res *res);
     71 
     72    void *(*resource_map)(struct virgl_winsys *vws, struct virgl_hw_res *res);
     73    void (*resource_wait)(struct virgl_winsys *vws, struct virgl_hw_res *res);
     74 
     75    struct virgl_hw_res *(*resource_create_from_handle)(struct virgl_winsys *vws,
     76                                                        struct winsys_handle *whandle);
     77    boolean (*resource_get_handle)(struct virgl_winsys *vws,
     78                                   struct virgl_hw_res *res,
     79                                   uint32_t stride,
     80                                   struct winsys_handle *whandle);
     81 
     82    struct virgl_cmd_buf *(*cmd_buf_create)(struct virgl_winsys *ws);
     83    void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);
     84 
     85    void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
     86    int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf);
     87 
     88    boolean (*res_is_referenced)(struct virgl_winsys *vws,
     89                                 struct virgl_cmd_buf *buf,
     90                                 struct virgl_hw_res *res);
     91 
     92    int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);
     93 
     94    /* fence */
     95    struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws);
     96    bool (*fence_wait)(struct virgl_winsys *vws,
     97                       struct pipe_fence_handle *fence,
     98                       uint64_t timeout);
     99 
    100    void (*fence_reference)(struct virgl_winsys *vws,
    101                            struct pipe_fence_handle **dst,
    102                            struct pipe_fence_handle *src);
    103 
    104    /* for sw paths */
    105    void (*flush_frontbuffer)(struct virgl_winsys *vws,
    106                              struct virgl_hw_res *res,
    107                              unsigned level, unsigned layer,
    108                              void *winsys_drawable_handle,
    109                              struct pipe_box *sub_box);
    110 };
    111 
    112 
    113 #endif
    114