diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2013-10-28 20:10:40 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2013-11-21 15:01:13 -0800 |
| commit | bb9d2eab8934fe526e7128e5902fffc2f5a050d3 (patch) | |
| tree | 30e536fd686f2d885621d3fc40b8d39d184f2587 | |
| parent | 395a32717df494353703f3581edcd3ba380f16d6 (diff) | |
i965: Introduce a "render ring prelude" hook.
The new intel_batchbuffer_emit_render_ring_prelude() hook will be called
when switching from BLT or UNKNOWN_RING to RENDER_RING. This provides a
place to emit state that should go at the start of each render ring
batch, with minimal overhead.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_batchbuffer.c | 5 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_batchbuffer.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c index d8eb3fc8837..d054e444d9f 100644 --- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c +++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c @@ -179,6 +179,11 @@ do_batch_dump(struct brw_context *brw) } } +void +intel_batchbuffer_emit_render_ring_prelude(struct brw_context *brw) +{ +} + /** * Called when starting a new batch buffer. */ diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.h b/src/mesa/drivers/dri/i965/intel_batchbuffer.h index f7638bcb3d8..861aed418bf 100644 --- a/src/mesa/drivers/dri/i965/intel_batchbuffer.h +++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.h @@ -24,6 +24,7 @@ extern "C" { struct intel_batchbuffer; +void intel_batchbuffer_emit_render_ring_prelude(struct brw_context *brw); void intel_batchbuffer_init(struct brw_context *brw); void intel_batchbuffer_free(struct brw_context *brw); void intel_batchbuffer_save_state(struct brw_context *brw); @@ -118,10 +119,14 @@ intel_batchbuffer_require_space(struct brw_context *brw, GLuint sz, if (intel_batchbuffer_space(brw) < sz) intel_batchbuffer_flush(brw); + enum brw_gpu_ring prev_ring = brw->batch.ring; /* The intel_batchbuffer_flush() calls above might have changed * brw->batch.ring to UNKNOWN_RING, so we need to set it here at the end. */ brw->batch.ring = ring; + + if (unlikely(prev_ring == UNKNOWN_RING && ring == RENDER_RING)) + intel_batchbuffer_emit_render_ring_prelude(brw); } static INLINE void |