From: Chad Versace Date: Fri, 13 Jan 2017 18:46:49 +0000 (-0800) Subject: i965: Add intel_batchbuffer_flush_fence() X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d1ce499daed333d528911be4b89c023dcb41d0a9;p=mesa.git i965: Add intel_batchbuffer_flush_fence() A variant of intel_batchbuffer_flush() with parameters for in and out fence fds. Reviewed-by: Rafael Antognolli Tested-by: Rafael Antognolli Acked-by: Kenneth Graunke --- diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c index d1b9317a8c1..67054cf77fe 100644 --- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c +++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c @@ -319,7 +319,7 @@ throttle(struct brw_context *brw) /* TODO: Push this whole function into bufmgr. */ static int -do_flush_locked(struct brw_context *brw) +do_flush_locked(struct brw_context *brw, int in_fence_fd, int *out_fence_fd) { struct intel_batchbuffer *batch = &brw->batch; int ret = 0; @@ -353,11 +353,15 @@ do_flush_locked(struct brw_context *brw) brw_annotate_aub(brw); if (brw->hw_ctx == NULL || batch->ring != RENDER_RING) { + assert(in_fence_fd == -1); + assert(out_fence_fd == NULL); ret = drm_intel_bo_mrb_exec(batch->bo, 4 * USED_BATCH(*batch), NULL, 0, 0, flags); } else { - ret = drm_intel_gem_bo_context_exec(batch->bo, brw->hw_ctx, - 4 * USED_BATCH(*batch), flags); + ret = drm_intel_gem_bo_fence_exec(batch->bo, brw->hw_ctx, + 4 * USED_BATCH(*batch), + in_fence_fd, out_fence_fd, + flags); } } @@ -378,9 +382,17 @@ do_flush_locked(struct brw_context *brw) return ret; } +/** + * The in_fence_fd is ignored if -1. Otherwise this function takes ownership + * of the fd. + * + * The out_fence_fd is ignored if NULL. Otherwise, the caller takes ownership + * of the returned fd. + */ int -_intel_batchbuffer_flush(struct brw_context *brw, - const char *file, int line) +_intel_batchbuffer_flush_fence(struct brw_context *brw, + int in_fence_fd, int *out_fence_fd, + const char *file, int line) { int ret; @@ -419,7 +431,7 @@ _intel_batchbuffer_flush(struct brw_context *brw, /* Check that we didn't just wrap our batchbuffer at a bad time. */ assert(!brw->no_batch_wrap); - ret = do_flush_locked(brw); + ret = do_flush_locked(brw, in_fence_fd, out_fence_fd); if (unlikely(INTEL_DEBUG & DEBUG_SYNC)) { fprintf(stderr, "waiting for idle\n"); diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.h b/src/mesa/drivers/dri/i965/intel_batchbuffer.h index ee03a44c9e1..bf7cadfc4d6 100644 --- a/src/mesa/drivers/dri/i965/intel_batchbuffer.h +++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.h @@ -46,14 +46,16 @@ void intel_batchbuffer_save_state(struct brw_context *brw); void intel_batchbuffer_reset_to_saved(struct brw_context *brw); void intel_batchbuffer_require_space(struct brw_context *brw, GLuint sz, enum brw_gpu_ring ring); +int _intel_batchbuffer_flush_fence(struct brw_context *brw, + int in_fence_fd, int *out_fence_fd, + const char *file, int line); -int _intel_batchbuffer_flush(struct brw_context *brw, - const char *file, int line); - -#define intel_batchbuffer_flush(intel) \ - _intel_batchbuffer_flush(intel, __FILE__, __LINE__) - +#define intel_batchbuffer_flush(brw) \ + _intel_batchbuffer_flush_fence((brw), -1, NULL, __FILE__, __LINE__) +#define intel_batchbuffer_flush_fence(brw, in_fence_fd, out_fence_fd) \ + _intel_batchbuffer_flush_fence((brw), (in_fence_fd), (out_fence_fd), \ + __FILE__, __LINE__) /* Unlike bmBufferData, this currently requires the buffer be mapped. * Consider it a convenience function wrapping multple