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(video driver) If we can't set flag data, do it later

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Currently, there is at least one instance where video_context_driver_set_flags() is called when current_video_context.set_flags is set to NULL (see #5538). To solve this, we create 2 new global variables - one to store flag data and the other to symbolize we deferred setting flag data.
This way, the next time we do get_flags(), we first check if we have anything stored first.

Should fix #5538
This commit is contained in:
rz5 2017-10-12 17:38:07 +01:00 committed by GitHub
parent 01f8e4e74f
commit 24c1ad72ce
1 changed files with 26 additions and 1 deletions
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27
gfx/video_driver.c
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@ -212,6 +212,18 @@ static gfx_ctx_driver_t current_video_context;
static void *video_context_data = NULL;
/**
* dynamic.c:dynamic_request_hw_context will try to set flag data when the context
* is in the middle of being rebuilt; in these cases we will save flag
* data and set this to true.
* When the context is reinit, it checks this, reads from
* deferred_flag_data and cleans it.
*
* TODO - Dirty hack, fix it better
*/
static bool deferred_video_context_driver_set_flags = false;
static gfx_ctx_flags_t deferred_flag_data = {0};
static enum gfx_ctx_api current_video_context_api = GFX_CTX_NONE;
shader_backend_t *current_shader = NULL;
@ -3005,6 +3017,14 @@ bool video_context_driver_get_flags(gfx_ctx_flags_t *flags)
return false;
if (!current_video_context.get_flags)
return false;
if (deferred_video_context_driver_set_flags)
{
flags->flags = deferred_flag_data.flags;
deferred_video_context_driver_set_flags = false;
return true;
}
flags->flags = current_video_context.get_flags(video_context_data);
return true;
}
@ -3013,8 +3033,13 @@ bool video_context_driver_set_flags(gfx_ctx_flags_t *flags)
{
if (!flags)
return false;
if (!current_video_context.set_flags)
if (!current_video_context.set_flags)
{
deferred_flag_data.flags = flags->flags;
deferred_video_context_driver_set_flags = true;
return false;
}
current_video_context.set_flags(video_context_data, flags->flags);
return true;
}