From e3a49e1ad3a6e35194c9aab8dccce9ee91f3bef5 Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Tue, 9 Jul 2013 15:32:42 -0700 Subject: gen7 blorp depth: calculate base surface width/height This will be used in 3DSTATE_DEPTH_BUFFER in a later patch. Signed-off-by: Jordan Justen Reviewed-by: Paul Berry --- src/mesa/drivers/dri/i965/gen7_blorp.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/mesa') diff --git a/src/mesa/drivers/dri/i965/gen7_blorp.cpp b/src/mesa/drivers/dri/i965/gen7_blorp.cpp index 9ce1a758399..920790a2b79 100644 --- a/src/mesa/drivers/dri/i965/gen7_blorp.cpp +++ b/src/mesa/drivers/dri/i965/gen7_blorp.cpp @@ -663,6 +663,7 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw, uint32_t draw_y = params->depth.y_offset; uint32_t tile_mask_x, tile_mask_y; uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0; + uint32_t surfwidth, surfheight; uint32_t surftype; unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1); unsigned int min_array_element; @@ -698,6 +699,18 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw, lod = params->depth.level - params->depth.mt->first_level; + if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) { + /* HIZ ops for lod 0 may set the width & height a little + * larger to allow the fast depth clear to fit the hardware + * alignment requirements. (8x4) + */ + surfwidth = params->depth.width; + surfheight = params->depth.height; + } else { + surfwidth = params->depth.mt->physical_width0; + surfheight = params->depth.mt->physical_height0; + } + /* 3DSTATE_DEPTH_BUFFER */ { uint32_t tile_x = draw_x & tile_mask_x; -- cgit v1.2.3