Our submit ioctl allows to optionally specify a syncobj that will be
waited on before job execution. Expose this in our job submission
interface. Since every uint32_t could be a valid syncobj handle, pass
the handle as a pointer so we can make it optional.
Signed-off-by: Stefan Schake <stsch...@gmail.com>
---
src/gallium/drivers/vc4/vc4_context.h | 2 ++
src/gallium/drivers/vc4/vc4_job.c | 24 +++++++++++++++++++++++-
2 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/vc4/vc4_context.h
b/src/gallium/drivers/vc4/vc4_context.h
index d094957bb5..ac72a14008 100644
--- a/src/gallium/drivers/vc4/vc4_context.h
+++ b/src/gallium/drivers/vc4/vc4_context.h
@@ -512,6 +512,8 @@ struct vc4_job *vc4_get_job(struct vc4_context *vc4,
struct vc4_job *vc4_get_job_for_fbo(struct vc4_context *vc4);
void vc4_job_submit(struct vc4_context *vc4, struct vc4_job *job);
+void vc4_job_submit_sync(struct vc4_context *vc4, struct vc4_job *job,
+ uint32_t* in_sync);
void vc4_flush_jobs_writing_resource(struct vc4_context *vc4,
struct pipe_resource *prsc);
void vc4_flush_jobs_reading_resource(struct vc4_context *vc4,
diff --git a/src/gallium/drivers/vc4/vc4_job.c
b/src/gallium/drivers/vc4/vc4_job.c
index 2b68ea7b74..1084d39b1f 100644
--- a/src/gallium/drivers/vc4/vc4_job.c
+++ b/src/gallium/drivers/vc4/vc4_job.c
@@ -368,10 +368,22 @@ vc4_submit_setup_rcl_msaa_surface(struct vc4_job *job,
}
/**
- * Submits the job to the kernel and then reinitializes it.
+ * Wrapper for vc4_job_submit_sync omitting the rarely needed syncobj import
+ * parameter.
*/
void
vc4_job_submit(struct vc4_context *vc4, struct vc4_job *job)
+{
+ vc4_job_submit_sync(vc4, job, NULL);
+}
+
+/**
+ * Submits the job to the kernel and then reinitializes it, optionally passing
+ * a syncobj that will be waited on before job execution.
+ */
+void
+vc4_job_submit_sync(struct vc4_context *vc4, struct vc4_job *job,
+ uint32_t* in_sync)
{
if (!job->needs_flush)
goto done;
@@ -482,6 +494,16 @@ vc4_job_submit(struct vc4_context *vc4, struct vc4_job
*job)
submit.flags |= VC4_SUBMIT_CL_EXPORT_SYNCOBJ;
}
+ if (in_sync) {
+ /* If the kernel has no syncobj support, we should never try
+ * to import one as it breaks backwards compatibility.
+ */
+ assert(vc4->screen->has_syncobj);
+
+ submit.in_sync = *in_sync;
+ submit.flags |= VC4_SUBMIT_CL_IMPORT_SYNCOBJ;
+ }
+
if (!(vc4_debug & VC4_DEBUG_NORAST)) {
int ret;
--
2.14.1
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