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gallium: add flag PIPE_CONTEXT_PREFER_THREADED

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State trackers can set this to tell the driver when u_threaded_context is
desirable.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Marek Olšák 2017-03-24 01:57:40 +01:00
parent 7622181cad
commit 8559fa505d
2 changed files with 9 additions and 1 deletions
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8
src/gallium/include/pipe/p_defines.h
View file

@ -383,6 +383,14 @@ enum pipe_flush_flags
*/
#define PIPE_CONTEXT_ROBUST_BUFFER_ACCESS (1 << 2)
/**
* Prefer threaded pipe_context. It also implies that video codec functions
* will not be used. (they will be either no-ops or NULL when threading is
* enabled)
*/
#define PIPE_CONTEXT_PREFER_THREADED (1 << 3)
/**
* Flags for pipe_context::memory_barrier.
*/

2
src/mesa/state_tracker/st_manager.c
View file

@ -647,7 +647,7 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
struct pipe_context *pipe;
struct gl_config mode;
gl_api api;
unsigned ctx_flags = 0;
unsigned ctx_flags = PIPE_CONTEXT_PREFER_THREADED;
if (!(stapi->profile_mask & (1 << attribs->profile)))
return NULL;