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 boolean
  88 trace_drm_buffer_from_texture(struct drm_api *_api,
  89                                  struct pipe_texture *_texture,
  90                                  struct pipe_buffer **_buffer,
  91                                  unsigned *stride)
  92 {
  93    struct trace_texture *tr_texture = trace_texture(_texture);
  94    struct trace_drm_api *tr_api = trace_drm_api(_api);
  95    struct pipe_texture *texture = tr_texture->texture;
  96    struct drm_api *api = tr_api->api;
  97    struct pipe_buffer *buffer = NULL;
  98    boolean result;
  99
 100    /* TODO trace call */
 101
 102    result = api->buffer_from_texture(api, texture, &buffer, stride);
 103
 104    if (result && _buffer)
 105       buffer = trace_buffer_create(trace_screen(texture->screen), buffer);
 106
 107    if (_buffer)
 108       *_buffer = buffer;
 109    else
 110       pipe_buffer_reference(&buffer, NULL);
 111
 112    return result;
 113 }
 114
 115 static struct pipe_buffer *
 116 trace_drm_buffer_from_handle(struct drm_api *_api,
 117                                 struct pipe_screen *_screen,
 118                                 const char *name,
 119                                 unsigned handle)
 120 {
 121    struct trace_screen *tr_screen = trace_screen(_screen);
 122    struct trace_drm_api *tr_api = trace_drm_api(_api);
 123    struct pipe_screen *screen = tr_screen->screen;
 124    struct drm_api *api = tr_api->api;
 125    struct pipe_buffer *result;
 126
 127    /* TODO trace call */
 128
 129    result = api->buffer_from_handle(api, screen, name, handle);
 130
 131    result = trace_buffer_create(trace_screen(_screen), result);
 132
 133    return result;
 134 }
 135
 136 static boolean
 137 trace_drm_handle_from_buffer(struct drm_api *_api,
 138                                 struct pipe_screen *_screen,
 139                                 struct pipe_buffer *_buffer,
 140                                 unsigned *handle)
 141 {
 142    struct trace_screen *tr_screen = trace_screen(_screen);
 143    struct trace_buffer *tr_buffer = trace_buffer(_buffer);
 144    struct trace_drm_api *tr_api = trace_drm_api(_api);
 145    struct pipe_screen *screen = tr_screen->screen;
 146    struct pipe_buffer *buffer = tr_buffer->buffer;
 147    struct drm_api *api = tr_api->api;
 148
 149    /* TODO trace call */
 150
 151    return api->handle_from_buffer(api, screen, buffer, handle);
 152 }
 153
 154 static boolean
 155 trace_drm_global_handle_from_buffer(struct drm_api *_api,
 156                                        struct pipe_screen *_screen,
 157                                        struct pipe_buffer *_buffer,
 158                                        unsigned *handle)
 159 {
 160    struct trace_screen *tr_screen = trace_screen(_screen);
 161    struct trace_buffer *tr_buffer = trace_buffer(_buffer);
 162    struct trace_drm_api *tr_api = trace_drm_api(_api);
 163    struct pipe_screen *screen = tr_screen->screen;
 164    struct pipe_buffer *buffer = tr_buffer->buffer;
 165    struct drm_api *api = tr_api->api;
 166
 167    /* TODO trace call */
 168
 169    return api->global_handle_from_buffer(api, screen, buffer, handle);
 170 }
 171
 172 static void
 173 trace_drm_destroy(struct drm_api *_api)
 174 {
 175    struct trace_drm_api *tr_api = trace_drm_api(_api);
 176    struct drm_api *api = tr_api->api;
 177    api->destroy(api);
 178
 179    free(tr_api);
 180 }
 181
 182 struct drm_api *
 183 trace_drm_create(struct drm_api *api)
 184 {
 185    struct trace_drm_api *tr_api;
 186
 187    if (!api)
 188       goto error;
 189
 190    if (!trace_enabled())
 191       goto error;
 192
 193    tr_api = CALLOC_STRUCT(trace_drm_api);
 194
 195    if (!tr_api)
 196       goto error;
 197
 198    tr_api->base.create_screen = trace_drm_create_screen;
 199    tr_api->base.create_context = trace_drm_create_context;
 200    tr_api->base.buffer_from_texture = trace_drm_buffer_from_texture;
 201    tr_api->base.buffer_from_handle = trace_drm_buffer_from_handle;
 202    tr_api->base.handle_from_buffer = trace_drm_handle_from_buffer;
 203    tr_api->base.global_handle_from_buffer = trace_drm_global_handle_from_buffer;
 204    tr_api->base.destroy = trace_drm_destroy;
 205    tr_api->api = api;
 206
 207    return &tr_api->base;
 208
 209 error:
 210    return api;
 211 }