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-rw-r--r--src/gallium/drivers/vc4/vc4_context.h1
-rw-r--r--src/gallium/drivers/vc4/vc4_screen.c5
-rw-r--r--src/gallium/drivers/vc4/vc4_simulator.c36
3 files changed, 39 insertions, 3 deletions
diff --git a/src/gallium/drivers/vc4/vc4_context.h b/src/gallium/drivers/vc4/vc4_context.h
index 0d6b8d0e218..313630a7e2f 100644
--- a/src/gallium/drivers/vc4/vc4_context.h
+++ b/src/gallium/drivers/vc4/vc4_context.h
@@ -423,6 +423,7 @@ void vc4_program_init(struct pipe_context *pctx);
void vc4_program_fini(struct pipe_context *pctx);
void vc4_query_init(struct pipe_context *pctx);
void vc4_simulator_init(struct vc4_screen *screen);
+void vc4_simulator_destroy(struct vc4_screen *screen);
int vc4_simulator_flush(struct vc4_context *vc4,
struct drm_vc4_submit_cl *args,
struct vc4_job *job);
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index 64bff5dc227..045f3fb2a34 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -99,6 +99,11 @@ vc4_screen_destroy(struct pipe_screen *pscreen)
util_hash_table_destroy(screen->bo_handles);
vc4_bufmgr_destroy(pscreen);
slab_destroy_parent(&screen->transfer_pool);
+
+#if USE_VC4_SIMULATOR
+ vc4_simulator_destroy(screen);
+#endif
+
close(screen->fd);
ralloc_free(pscreen);
}
diff --git a/src/gallium/drivers/vc4/vc4_simulator.c b/src/gallium/drivers/vc4/vc4_simulator.c
index b802391aa6e..0291a4e1458 100644
--- a/src/gallium/drivers/vc4/vc4_simulator.c
+++ b/src/gallium/drivers/vc4/vc4_simulator.c
@@ -32,6 +32,8 @@
#include "vc4_simulator_validate.h"
#include "simpenrose/simpenrose.h"
+static mtx_t exec_mutex = _MTX_INITIALIZER_NP;
+
/* A marker placed just after each BO, then checked after rendering to make
* sure it's still there.
*/
@@ -318,12 +320,27 @@ vc4_simulator_flush(struct vc4_context *vc4,
return 0;
}
+static void *sim_mem_base = NULL;
+static int sim_mem_refcount = 0;
+static ssize_t sim_mem_size = 256 * 1024 * 1024;
+
void
vc4_simulator_init(struct vc4_screen *screen)
{
- screen->simulator_mem_size = 256 * 1024 * 1024;
- screen->simulator_mem_base = ralloc_size(screen,
- screen->simulator_mem_size);
+ mtx_lock(&exec_mutex);
+ if (sim_mem_refcount++) {
+ screen->simulator_mem_size = sim_mem_size;
+ screen->simulator_mem_base = sim_mem_base;
+ mtx_unlock(&exec_mutex);
+ return;
+ }
+
+ sim_mem_base = calloc(sim_mem_size, 1);
+ if (!sim_mem_base)
+ abort();
+
+ screen->simulator_mem_size = sim_mem_size;
+ screen->simulator_mem_base = sim_mem_base;
/* We supply our own memory so that we can have more aperture
* available (256MB instead of simpenrose's default 64MB).
@@ -339,6 +356,19 @@ vc4_simulator_init(struct vc4_screen *screen)
* flush), so it had better be big.
*/
simpenrose_supply_overflow_mem(0, OVERFLOW_SIZE);
+
+ mtx_unlock(&exec_mutex);
+}
+
+void
+vc4_simulator_destroy(struct vc4_screen *screen)
+{
+ mtx_lock(&exec_mutex);
+ if (!--sim_mem_refcount) {
+ free(sim_mem_base);
+ sim_mem_base = NULL;
+ }
+ mtx_unlock(&exec_mutex);
}
#endif /* USE_VC4_SIMULATOR */