From 0cabf93b80d03ea923cf507218024953b9d0254c Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Thu, 6 Oct 2016 23:20:12 -0700 Subject: [PATCH] intel/blorp: Add an entrypoint for clearing depth and stencil Signed-off-by: Jason Ekstrand Reviewed-by: Topi Pohjolainen --- src/intel/blorp/blorp.h | 10 +++++ src/intel/blorp/blorp_clear.c | 69 +++++++++++++++++++++++++++++++++++ 2 files changed, 79 insertions(+) diff --git a/src/intel/blorp/blorp.h b/src/intel/blorp/blorp.h index aa52976bd95..b178ae374d6 100644 --- a/src/intel/blorp/blorp.h +++ b/src/intel/blorp/blorp.h @@ -134,6 +134,16 @@ blorp_clear(struct blorp_batch *batch, union isl_color_value clear_color, const bool color_write_disable[4]); +void +blorp_clear_depth_stencil(struct blorp_batch *batch, + const struct blorp_surf *depth, + const struct blorp_surf *stencil, + uint32_t level, uint32_t start_layer, + uint32_t num_layers, + uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, + bool clear_depth, float depth_value, + uint8_t stencil_mask, uint8_t stencil_value); + void blorp_ccs_resolve(struct blorp_batch *batch, struct blorp_surf *surf, enum isl_format format); diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c index a8f29fd382f..8ecfaa382e2 100644 --- a/src/intel/blorp/blorp_clear.c +++ b/src/intel/blorp/blorp_clear.c @@ -305,6 +305,75 @@ blorp_clear(struct blorp_batch *batch, } } +void +blorp_clear_depth_stencil(struct blorp_batch *batch, + const struct blorp_surf *depth, + const struct blorp_surf *stencil, + uint32_t level, uint32_t start_layer, + uint32_t num_layers, + uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, + bool clear_depth, float depth_value, + uint8_t stencil_mask, uint8_t stencil_value) +{ + struct blorp_params params; + blorp_params_init(¶ms); + + params.x0 = x0; + params.y0 = y0; + params.x1 = x1; + params.y1 = y1; + + while (num_layers > 0) { + params.num_layers = num_layers; + + if (stencil_mask) { + brw_blorp_surface_info_init(batch->blorp, ¶ms.stencil, stencil, + level, start_layer, + ISL_FORMAT_UNSUPPORTED, true); + params.stencil_mask = stencil_mask; + params.stencil_ref = stencil_value; + + params.dst.surf.samples = params.stencil.surf.samples; + params.dst.surf.logical_level0_px = + params.stencil.surf.logical_level0_px; + params.dst.view = params.depth.view; + + /* We may be restricted on the number of layers we can bind at any + * one time. In particular, Sandy Bridge has a maximum number of + * layers of 512 but a maximum 3D texture size is much larger. + */ + if (params.stencil.view.array_len < params.num_layers) + params.num_layers = params.stencil.view.array_len; + } + + if (clear_depth) { + brw_blorp_surface_info_init(batch->blorp, ¶ms.depth, depth, + level, start_layer, + ISL_FORMAT_UNSUPPORTED, true); + params.z = depth_value; + params.depth_format = + isl_format_get_depth_format(depth->surf->format, false); + + params.dst.surf.samples = params.depth.surf.samples; + params.dst.surf.logical_level0_px = + params.depth.surf.logical_level0_px; + params.dst.view = params.depth.view; + + /* We may be restricted on the number of layers we can bind at any + * one time. In particular, Sandy Bridge has a maximum number of + * layers of 512 but a maximum 3D texture size is much larger. + */ + if (params.depth.view.array_len < params.num_layers) + params.num_layers = params.depth.view.array_len; + } + + batch->blorp->exec(batch, ¶ms); + + start_layer += params.num_layers; + num_layers -= params.num_layers; + } +} + void blorp_ccs_resolve(struct blorp_batch *batch, struct blorp_surf *surf, enum isl_format format) -- 2.30.2