2009-07-13 22:58:45 +01:00
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/*
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2009-02-27 18:52:49 +00:00
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* Copyright © 2009 Corbin Simpson
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* All Rights Reserved.
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2009-07-13 22:58:45 +01:00
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*
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2009-02-27 18:52:49 +00:00
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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2009-07-13 22:58:45 +01:00
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*
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2009-02-27 18:52:49 +00:00
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
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* AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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2009-07-13 22:58:45 +01:00
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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2009-02-27 18:52:49 +00:00
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*/
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/*
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* Authors:
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* Corbin Simpson <MostAwesomeDude@gmail.com>
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*/
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2009-03-04 05:14:33 +00:00
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2009-02-27 18:52:49 +00:00
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#include "radeon_drm.h"
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2009-07-23 15:05:21 +01:00
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2009-03-04 05:14:33 +00:00
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/* Create a pipe_screen. */
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2009-07-02 06:33:17 +01:00
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struct pipe_screen* radeon_create_screen(struct drm_api* api,
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int drmFB,
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2009-05-01 13:54:53 +01:00
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struct drm_create_screen_arg *arg)
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2009-03-04 05:14:33 +00:00
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{
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2009-03-10 09:08:59 +00:00
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struct radeon_winsys* winsys = radeon_pipe_winsys(drmFB);
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2009-03-04 05:14:33 +00:00
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if (getenv("RADEON_SOFTPIPE")) {
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2009-03-10 09:08:59 +00:00
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return softpipe_create_screen((struct pipe_winsys*)winsys);
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2009-03-04 05:14:33 +00:00
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} else {
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struct r300_winsys* r300 = radeon_create_r300_winsys(drmFB, winsys);
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FREE(winsys);
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return r300_create_screen(r300);
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}
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}
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/* Create a pipe_context. */
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2009-07-02 06:33:17 +01:00
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struct pipe_context* radeon_create_context(struct drm_api* api,
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struct pipe_screen* screen)
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2009-03-04 05:14:33 +00:00
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{
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if (getenv("RADEON_SOFTPIPE")) {
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return radeon_create_softpipe(screen->winsys);
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} else {
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2009-07-23 15:14:07 +01:00
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return r300_create_context(screen,
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(struct r300_winsys*)screen->winsys);
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2009-03-04 05:14:33 +00:00
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}
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}
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2009-07-02 06:33:17 +01:00
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boolean radeon_buffer_from_texture(struct drm_api* api,
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struct pipe_texture* texture,
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2009-03-04 05:14:33 +00:00
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struct pipe_buffer** buffer,
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unsigned* stride)
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{
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2009-07-02 06:33:17 +01:00
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/* XXX fix this */
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return r300_get_texture_buffer(texture, buffer, stride);
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2009-03-04 05:14:33 +00:00
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}
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/* Create a buffer from a handle. */
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/* XXX what's up with name? */
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2009-07-02 06:33:17 +01:00
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struct pipe_buffer* radeon_buffer_from_handle(struct drm_api* api,
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struct pipe_screen* screen,
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2009-03-04 05:14:33 +00:00
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const char* name,
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unsigned handle)
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{
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2009-03-04 06:11:56 +00:00
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struct radeon_bo_manager* bom =
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2009-05-01 13:54:53 +01:00
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((struct radeon_winsys*)screen->winsys)->priv->bom;
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2009-03-04 05:14:33 +00:00
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struct radeon_pipe_buffer* radeon_buffer;
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struct radeon_bo* bo = NULL;
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bo = radeon_bo_open(bom, handle, 0, 0, 0, 0);
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if (bo == NULL) {
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return NULL;
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}
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radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer);
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if (radeon_buffer == NULL) {
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radeon_bo_unref(bo);
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return NULL;
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}
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2009-03-04 10:58:48 +00:00
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pipe_reference_init(&radeon_buffer->base.reference, 1);
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radeon_buffer->base.screen = screen;
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2009-03-04 05:14:33 +00:00
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radeon_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL;
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radeon_buffer->bo = bo;
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return &radeon_buffer->base;
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}
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2009-07-02 06:33:17 +01:00
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boolean radeon_handle_from_buffer(struct drm_api* api,
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struct pipe_screen* screen,
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2009-03-04 05:14:33 +00:00
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struct pipe_buffer* buffer,
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unsigned* handle)
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{
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2009-03-04 06:11:56 +00:00
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struct radeon_pipe_buffer* radeon_buffer =
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(struct radeon_pipe_buffer*)buffer;
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*handle = radeon_buffer->bo->handle;
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return TRUE;
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2009-03-04 05:14:33 +00:00
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}
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2009-07-02 06:33:17 +01:00
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boolean radeon_global_handle_from_buffer(struct drm_api* api,
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struct pipe_screen* screen,
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2009-03-04 05:14:33 +00:00
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struct pipe_buffer* buffer,
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unsigned* handle)
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{
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2009-07-05 19:55:47 +01:00
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int retval, fd;
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struct drm_gem_flink flink;
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2009-03-04 06:11:56 +00:00
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struct radeon_pipe_buffer* radeon_buffer =
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(struct radeon_pipe_buffer*)buffer;
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2009-07-05 19:55:47 +01:00
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if (!radeon_buffer->flinked) {
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fd = ((struct radeon_winsys*)screen->winsys)->priv->fd;
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flink.handle = radeon_buffer->bo->handle;
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retval = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
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if (retval) {
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debug_printf("radeon: DRM_IOCTL_GEM_FLINK failed, error %d\n",
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retval);
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return FALSE;
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}
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radeon_buffer->flink = flink.name;
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radeon_buffer->flinked = TRUE;
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}
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*handle = radeon_buffer->flink;
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2009-03-04 06:11:56 +00:00
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return TRUE;
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2009-03-04 05:14:33 +00:00
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}
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struct drm_api drm_api_hooks = {
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.create_screen = radeon_create_screen,
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.create_context = radeon_create_context,
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2009-07-02 06:33:17 +01:00
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.buffer_from_texture = radeon_buffer_from_texture,
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2009-03-04 05:14:33 +00:00
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.buffer_from_handle = radeon_buffer_from_handle,
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.handle_from_buffer = radeon_handle_from_buffer,
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.global_handle_from_buffer = radeon_global_handle_from_buffer,
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2009-03-04 06:11:56 +00:00
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};
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2009-07-02 06:33:17 +01:00
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struct drm_api* drm_api_create()
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{
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2009-07-02 14:05:51 +01:00
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#ifdef DEBUG
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return trace_drm_create(&drm_api_hooks);
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#else
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2009-07-02 06:33:17 +01:00
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return &drm_api_hooks;
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2009-07-02 14:05:51 +01:00
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#endif
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2009-07-02 06:33:17 +01:00
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}
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