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Viewing changes to src/gallium/frontends/omx/vid_omx_common.c

  • Committer: mmach
  • Date: 2023-11-02 21:31:35 UTC
  • Revision ID: netbit73@gmail.com-20231102213135-18d4tzh7tj0uz752
2023-11-02 22:11:57

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Lines of Context:
src/gallium/frontends/omx/vid_omx_common.c
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#define Display void
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#endif
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#include "util/simple_mtx.h"
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#include "util/u_thread.h"
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#include "util/u_memory.h"
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#include "loader/loader.h"
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#include "vid_omx_common.h"
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static mtx_t omx_lock = _MTX_INITIALIZER_NP;
 
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static simple_mtx_t omx_lock = SIMPLE_MTX_INITIALIZER;
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static Display *omx_display = NULL;
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static struct vl_screen *omx_screen = NULL;
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static unsigned omx_usecount = 0;
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struct vl_screen *omx_get_screen(void)
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{
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   static bool first_time = true;
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   mtx_lock(&omx_lock);
 
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   simple_mtx_lock(&omx_lock);
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   if (!omx_screen) {
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      if (first_time) {
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   ++omx_usecount;
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   mtx_unlock(&omx_lock);
 
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   simple_mtx_unlock(&omx_lock);
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   return omx_screen;
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error:
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   mtx_unlock(&omx_lock);
 
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   simple_mtx_unlock(&omx_lock);
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   return NULL;
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}
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void omx_put_screen(void)
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{
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   mtx_lock(&omx_lock);
 
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   simple_mtx_lock(&omx_lock);
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   if ((--omx_usecount) == 0) {
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      omx_screen->destroy(omx_screen);
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      omx_screen = NULL;
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      else
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         XCloseDisplay(omx_display);
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   }
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   mtx_unlock(&omx_lock);
 
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   simple_mtx_unlock(&omx_lock);
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}