Mesa (master): intel/blorp: Add helper function for stencil buffer resolve
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Tue Oct 29 21:50:35 UTC 2019
Module: Mesa
Branch: master
Commit: 53d472df24d4bc05359120df0615321318922d6d
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=53d472df24d4bc05359120df0615321318922d6d
Author: Sagar Ghuge <sagar.ghuge at intel.com>
Date: Tue Oct 15 11:15:22 2019 -0700
intel/blorp: Add helper function for stencil buffer resolve
On Gen12+, Stencil buffer's lossless compression should be resolved
with WM_HZ_OP packet.
Signed-off-by: Sagar Ghuge <sagar.ghuge at intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery at intel.com>
---
src/intel/blorp/blorp.c | 30 ++++++++++++++++++++++++++++++
src/intel/blorp/blorp.h | 4 ++++
2 files changed, 34 insertions(+)
diff --git a/src/intel/blorp/blorp.c b/src/intel/blorp/blorp.c
index 086bfb1c596..f93662ccae8 100644
--- a/src/intel/blorp/blorp.c
+++ b/src/intel/blorp/blorp.c
@@ -366,3 +366,33 @@ blorp_hiz_op(struct blorp_batch *batch, struct blorp_surf *surf,
batch->blorp->exec(batch, ¶ms);
}
}
+
+void
+blorp_hiz_stencil_op(struct blorp_batch *batch, struct blorp_surf *stencil,
+ uint32_t level, uint32_t start_layer,
+ uint32_t num_layers, enum isl_aux_op op)
+{
+ struct blorp_params params;
+ blorp_params_init(¶ms);
+
+ params.hiz_op = op;
+ params.full_surface_hiz_op = true;
+
+ for (uint32_t a = 0; a < num_layers; a++) {
+ const uint32_t layer = start_layer + a;
+
+ brw_blorp_surface_info_init(batch->blorp, ¶ms.stencil, stencil, level,
+ layer, stencil->surf->format, true);
+ params.x1 = minify(params.stencil.surf.logical_level0_px.width,
+ params.stencil.view.base_level);
+ params.y1 = minify(params.stencil.surf.logical_level0_px.height,
+ params.stencil.view.base_level);
+ params.dst.surf.samples = params.stencil.surf.samples;
+ params.dst.surf.logical_level0_px =
+ params.stencil.surf.logical_level0_px;
+ params.dst.view = params.stencil.view;
+ params.num_samples = params.stencil.surf.samples;
+
+ batch->blorp->exec(batch, ¶ms);
+ }
+}
diff --git a/src/intel/blorp/blorp.h b/src/intel/blorp/blorp.h
index ead261b6230..afee0a96a8c 100644
--- a/src/intel/blorp/blorp.h
+++ b/src/intel/blorp/blorp.h
@@ -246,6 +246,10 @@ blorp_hiz_op(struct blorp_batch *batch, struct blorp_surf *surf,
uint32_t level, uint32_t start_layer, uint32_t num_layers,
enum isl_aux_op op);
+void
+blorp_hiz_stencil_op(struct blorp_batch *batch, struct blorp_surf *stencil,
+ uint32_t level, uint32_t start_layer,
+ uint32_t num_layers, enum isl_aux_op op);
#ifdef __cplusplus
} /* end extern "C" */
#endif /* __cplusplus */
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