src/gallium/drivers/trace/tr_drm.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "state_tracker/drm_api.h"
  29
  30 #include "util/u_memory.h"
  31 #include "trace/tr_drm.h"
  32 #include "trace/tr_screen.h"
  33 #include "trace/tr_context.h"
  34 #include "trace/tr_buffer.h"
  35 #include "trace/tr_texture.h"
  36
  37 struct trace_drm_api
  38 {
  39    struct drm_api base;
  40
  41    struct drm_api *api;
  42 };
  43
  44 static INLINE struct trace_drm_api *
  45 trace_drm_api(struct drm_api *_api)
  46 {
  47    return (struct trace_drm_api *)_api;
  48 }
  49
  50 static struct pipe_screen *
  51 trace_drm_create_screen(struct drm_api *_api, int fd,
  52                         struct drm_create_screen_arg *arg)
  53 {
  54    struct trace_drm_api *tr_api = trace_drm_api(_api);
  55    struct drm_api *api = tr_api->api;
  56    struct pipe_screen *screen;
  57
  58    /* TODO trace call */
  59
  60    if (arg && arg->mode != DRM_CREATE_NORMAL)
  61       return NULL;
  62
  63    screen = api->create_screen(api, fd, arg);
  64
  65    return trace_screen_create(screen);
  66 }
  67
  68 static struct pipe_context *
  69 trace_drm_create_context(struct drm_api *_api,
  70                          struct pipe_screen *_screen)
  71 {
  72    struct trace_screen *tr_screen = trace_screen(_screen);
  73    struct trace_drm_api *tr_api = trace_drm_api(_api);
  74    struct pipe_screen *screen = tr_screen->screen;
  75    struct drm_api *api = tr_api->api;
  76    struct pipe_context *pipe;
  77
  78    /* TODO trace call */
  79
  80    pipe = api->create_context(api, screen);
  81
  82    pipe = trace_context_create(_screen, pipe);
  83
  84    return pipe;
  85 }
  86
  87 static struct pipe_texture *
  88 trace_drm_texture_from_shared_handle(struct drm_api *_api,
  89                                      struct pipe_screen *_screen,
  90                                      struct pipe_texture *templ,
  91                                      const char *name,
  92                                      unsigned stride,
  93                                      unsigned handle)
  94 {
  95    struct trace_screen *tr_screen = trace_screen(_screen);
  96    struct trace_drm_api *tr_api = trace_drm_api(_api);
  97    struct pipe_screen *screen = tr_screen->screen;
  98    struct drm_api *api = tr_api->api;
  99    struct pipe_texture *result;
 100
 101    /* TODO trace call */
 102
 103    result = api->texture_from_shared_handle(api, screen, templ, name, stride, handle);
 104
 105    result = trace_texture_create(trace_screen(_screen), result);
 106
 107    return result;
 108 }
 109
 110 static boolean
 111 trace_drm_shared_handle_from_texture(struct drm_api *_api,
 112                                      struct pipe_screen *_screen,
 113                                      struct pipe_texture *_texture,
 114                                      unsigned *stride,
 115                                      unsigned *handle)
 116 {
 117    struct trace_screen *tr_screen = trace_screen(_screen);
 118    struct trace_texture *tr_texture = trace_texture(_texture);
 119    struct trace_drm_api *tr_api = trace_drm_api(_api);
 120    struct pipe_screen *screen = tr_screen->screen;
 121    struct pipe_texture *texture = tr_texture->texture;
 122    struct drm_api *api = tr_api->api;
 123
 124    /* TODO trace call */
 125
 126    return api->shared_handle_from_texture(api, screen, texture, stride, handle);
 127 }
 128
 129 static boolean
 130 trace_drm_local_handle_from_texture(struct drm_api *_api,
 131                                     struct pipe_screen *_screen,
 132                                     struct pipe_texture *_texture,
 133                                     unsigned *stride,
 134                                     unsigned *handle)
 135 {
 136    struct trace_screen *tr_screen = trace_screen(_screen);
 137    struct trace_texture *tr_texture = trace_texture(_texture);
 138    struct trace_drm_api *tr_api = trace_drm_api(_api);
 139    struct pipe_screen *screen = tr_screen->screen;
 140    struct pipe_texture *texture = tr_texture->texture;
 141    struct drm_api *api = tr_api->api;
 142
 143    /* TODO trace call */
 144
 145    return api->local_handle_from_texture(api, screen, texture, stride, handle);
 146 }
 147
 148 static void
 149 trace_drm_destroy(struct drm_api *_api)
 150 {
 151    struct trace_drm_api *tr_api = trace_drm_api(_api);
 152    struct drm_api *api = tr_api->api;
 153
 154    if (api->destroy)
 155       api->destroy(api);
 156
 157    free(tr_api);
 158 }
 159
 160 struct drm_api *
 161 trace_drm_create(struct drm_api *api)
 162 {
 163    struct trace_drm_api *tr_api;
 164
 165    if (!api)
 166       goto error;
 167
 168    if (!trace_enabled())
 169       goto error;
 170
 171    tr_api = CALLOC_STRUCT(trace_drm_api);
 172
 173    if (!tr_api)
 174       goto error;
 175
 176    tr_api->base.create_screen = trace_drm_create_screen;
 177    tr_api->base.create_context = trace_drm_create_context;
 178    tr_api->base.texture_from_shared_handle = trace_drm_texture_from_shared_handle;
 179    tr_api->base.shared_handle_from_texture = trace_drm_shared_handle_from_texture;
 180    tr_api->base.local_handle_from_texture = trace_drm_local_handle_from_texture;
 181    tr_api->base.destroy = trace_drm_destroy;
 182    tr_api->api = api;
 183
 184    return &tr_api->base;
 185
 186 error:
 187    return api;
 188 }