From 31e1beec899d36904ee7b9629400a523fbc42210 Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Wed, 28 May 2014 10:19:37 -0700 Subject: [PATCH] i965/gen6: Stencil/hiz needs an offset for LOD > 0 Since gen6 separate stencil & hiz only supports LOD0, we need to program an offset to the LOD when emitting the separate stencil/hiz. v3: * Use new array_layout enum Signed-off-by: Jordan Justen Reviewed-by: Topi Pohjolainen Acked-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/gen6_blorp.cpp | 10 +++++- src/mesa/drivers/dri/i965/gen6_depth_state.c | 34 ++++++++++++++++++-- 2 files changed, 41 insertions(+), 3 deletions(-) diff --git a/src/mesa/drivers/dri/i965/gen6_blorp.cpp b/src/mesa/drivers/dri/i965/gen6_blorp.cpp index 05b1e9c95b9..9ab100305e3 100644 --- a/src/mesa/drivers/dri/i965/gen6_blorp.cpp +++ b/src/mesa/drivers/dri/i965/gen6_blorp.cpp @@ -859,13 +859,21 @@ gen6_blorp_emit_depth_stencil_config(struct brw_context *brw, /* 3DSTATE_HIER_DEPTH_BUFFER */ { struct intel_mipmap_tree *hiz_mt = params->depth.mt->hiz_mt; + uint32_t offset = 0; + + if (hiz_mt->array_layout == ALL_SLICES_AT_EACH_LOD) { + offset = intel_miptree_get_aligned_offset(hiz_mt, + hiz_mt->level[lod].level_x, + hiz_mt->level[lod].level_y, + false); + } BEGIN_BATCH(3); OUT_BATCH((_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2)); OUT_BATCH(hiz_mt->pitch - 1); OUT_RELOC(hiz_mt->bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, - 0); + offset); ADVANCE_BATCH(); } diff --git a/src/mesa/drivers/dri/i965/gen6_depth_state.c b/src/mesa/drivers/dri/i965/gen6_depth_state.c index 7ce10b7a5ff..f92c1afe64d 100644 --- a/src/mesa/drivers/dri/i965/gen6_depth_state.c +++ b/src/mesa/drivers/dri/i965/gen6_depth_state.c @@ -162,12 +162,22 @@ gen6_emit_depth_stencil_hiz(struct brw_context *brw, /* Emit hiz buffer. */ if (hiz) { struct intel_mipmap_tree *hiz_mt = depth_mt->hiz_mt; + uint32_t offset = 0; + + if (hiz_mt->array_layout == ALL_SLICES_AT_EACH_LOD) { + offset = intel_miptree_get_aligned_offset( + hiz_mt, + hiz_mt->level[lod].level_x, + hiz_mt->level[lod].level_y, + false); + } + BEGIN_BATCH(3); OUT_BATCH((_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2)); OUT_BATCH(hiz_mt->pitch - 1); OUT_RELOC(hiz_mt->bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, - 0); + offset); ADVANCE_BATCH(); } else { BEGIN_BATCH(3); @@ -179,6 +189,26 @@ gen6_emit_depth_stencil_hiz(struct brw_context *brw, /* Emit stencil buffer. */ if (separate_stencil) { + uint32_t offset = 0; + + if (stencil_mt->array_layout == ALL_SLICES_AT_EACH_LOD) { + if (stencil_mt->format == MESA_FORMAT_S_UINT8) { + /* Note: we can't compute the stencil offset using + * intel_region_get_aligned_offset(), because stencil_region + * claims that the region is untiled even though it's W tiled. + */ + offset = + stencil_mt->level[lod].level_y * stencil_mt->pitch + + stencil_mt->level[lod].level_x * 64; + } else { + offset = intel_miptree_get_aligned_offset( + stencil_mt, + stencil_mt->level[lod].level_x, + stencil_mt->level[lod].level_y, + false); + } + } + BEGIN_BATCH(3); OUT_BATCH((_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2)); /* The stencil buffer has quirky pitch requirements. From Vol 2a, @@ -189,7 +219,7 @@ gen6_emit_depth_stencil_hiz(struct brw_context *brw, OUT_BATCH(2 * stencil_mt->pitch - 1); OUT_RELOC(stencil_mt->bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, - 0); + offset); ADVANCE_BATCH(); } else { BEGIN_BATCH(3); -- 2.30.2