Module: Mesa
Branch: master
Commit: b9d627e07650a157176f6fb4bd3c3ffef6e21357
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b9d627e07650a157176f6fb4bd3c3ffef6e21357

Author: Marek Olšák <[email protected]>
Date:   Mon Aug  6 07:11:33 2018 -0400

radeonsi: implement ARB/KHR_parallel_shader_compile callbacks

---

 src/gallium/drivers/radeonsi/si_pipe.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c 
b/src/gallium/drivers/radeonsi/si_pipe.c
index 9b1eab8284b..98c59867d4b 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -26,6 +26,7 @@
 #include "si_pipe.h"
 #include "si_public.h"
 #include "si_shader_internal.h"
+#include "si_compute.h"
 #include "sid.h"
 
 #include "ac_llvm_util.h"
@@ -846,6 +847,32 @@ static void si_disk_cache_create(struct si_screen *sscreen)
                                  shader_debug_flags);
 }
 
+static void si_set_max_shader_compiler_threads(struct pipe_screen *screen,
+                                              unsigned max_threads)
+{
+       struct si_screen *sscreen = (struct si_screen *)screen;
+
+       /* This function doesn't allow a greater number of threads than
+        * the queue had at its creation. */
+       util_queue_adjust_num_threads(&sscreen->shader_compiler_queue,
+                                     max_threads);
+       /* Don't change the number of threads on the low priority queue. */
+}
+
+static bool si_is_parallel_shader_compilation_finished(struct pipe_screen 
*screen,
+                                                      void *shader,
+                                                      unsigned shader_type)
+{
+       if (shader_type == PIPE_SHADER_COMPUTE) {
+               struct si_compute *cs = (struct si_compute*)shader;
+
+               return util_queue_fence_is_signalled(&cs->ready);
+       }
+       struct si_shader_selector *sel = (struct si_shader_selector *)shader;
+
+       return util_queue_fence_is_signalled(&sel->ready);
+}
+
 struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws,
                                           const struct pipe_screen_config 
*config)
 {
@@ -876,6 +903,10 @@ struct pipe_screen *radeonsi_screen_create(struct 
radeon_winsys *ws,
        /* Set functions first. */
        sscreen->b.context_create = si_pipe_create_context;
        sscreen->b.destroy = si_destroy_screen;
+       sscreen->b.set_max_shader_compiler_threads =
+               si_set_max_shader_compiler_threads;
+       sscreen->b.is_parallel_shader_compilation_finished =
+               si_is_parallel_shader_compilation_finished;
 
        si_init_screen_get_functions(sscreen);
        si_init_screen_buffer_functions(sscreen);

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