src/gallium/drivers/virgl/virgl_winsys.h

   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_compiler.h"
  27
  28 struct winsys_handle;
  29 struct virgl_hw_res;
  30
  31 #define VIRGL_MAX_CMDBUF_DWORDS (16*1024)
  32
  33 struct virgl_drm_caps {
  34    union virgl_caps caps;
  35 };
  36
  37 struct virgl_cmd_buf {
  38    unsigned cdw;
  39    uint32_t *buf;
  40 };
  41
  42 struct virgl_winsys {
  43    unsigned pci_id;
  44
  45    void (*destroy)(struct virgl_winsys *vws);
  46
  47    int (*transfer_put)(struct virgl_winsys *vws,
  48                        struct virgl_hw_res *res,
  49                        const struct pipe_box *box,
  50                        uint32_t stride, uint32_t layer_stride,
  51                        uint32_t buf_offset, uint32_t level);
  52
  53    int (*transfer_get)(struct virgl_winsys *vws,
  54                        struct virgl_hw_res *res,
  55                        const struct pipe_box *box,
  56                        uint32_t stride, uint32_t layer_stride,
  57                        uint32_t buf_offset, uint32_t level);
  58
  59    struct virgl_hw_res *(*resource_create)(struct virgl_winsys *vws,
  60                                enum pipe_texture_target target,
  61                                uint32_t format, uint32_t bind,
  62                                uint32_t width, uint32_t height,
  63                                uint32_t depth, uint32_t array_size,
  64                                uint32_t last_level, uint32_t nr_samples,
  65                                uint32_t size);
  66
  67    void (*resource_unref)(struct virgl_winsys *vws, struct virgl_hw_res *res);
  68
  69    void *(*resource_map)(struct virgl_winsys *vws, struct virgl_hw_res *res);
  70    void (*resource_wait)(struct virgl_winsys *vws, struct virgl_hw_res *res);
  71
  72    struct virgl_hw_res *(*resource_create_from_handle)(struct virgl_winsys *vws,
  73                                                        struct winsys_handle *whandle);
  74    boolean (*resource_get_handle)(struct virgl_winsys *vws,
  75                                   struct virgl_hw_res *res,
  76                                   uint32_t stride,
  77                                   struct winsys_handle *whandle);
  78
  79    struct virgl_cmd_buf *(*cmd_buf_create)(struct virgl_winsys *ws);
  80    void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);
  81
  82    void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
  83    int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf);
  84
  85    boolean (*res_is_referenced)(struct virgl_winsys *vws,
  86                                 struct virgl_cmd_buf *buf,
  87                                 struct virgl_hw_res *res);
  88
  89    int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);
  90
  91    /* fence */
  92    struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws);
  93    bool (*fence_wait)(struct virgl_winsys *vws,
  94                       struct pipe_fence_handle *fence,
  95                       uint64_t timeout);
  96
  97    void (*fence_reference)(struct virgl_winsys *vws,
  98                            struct pipe_fence_handle **dst,
  99                            struct pipe_fence_handle *src);
 100
 101    /* for sw paths */
 102    void (*flush_frontbuffer)(struct virgl_winsys *vws,
 103                              struct virgl_hw_res *res,
 104                              unsigned level, unsigned layer,
 105                              void *winsys_drawable_handle,
 106                              struct pipe_box *sub_box);
 107 };
 108
 109
 110 #endif