[Mesa-dev] [PATCH 09/15] i965: Prepare slice copy for isl based miptrees

[Topi Pohjolainen]

Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
 src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 28 +++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c 
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index f44bac988f..c81d345fbc 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1294,7 +1294,8 @@ intel_miptree_copy_slice_sw(struct brw_context *brw,
 {
    void *src, *dst;
    ptrdiff_t src_stride, dst_stride;
-   int cpp = dst_mt->cpp;
+   const unsigned cpp = dst_mt->surf.size > 0 ?
+      (isl_format_get_layout(dst_mt->surf.format)->bpb / 8) : dst_mt->cpp;
 
    intel_miptree_map(brw, src_mt,
                      src_level, src_layer,
@@ -1355,13 +1356,28 @@ intel_miptree_copy_slice(struct brw_context *brw,
                          unsigned dst_level, unsigned dst_layer)
 
 {
-   uint32_t width = minify(src_mt->physical_width0,
-                           src_level - src_mt->first_level);
-   uint32_t height = minify(src_mt->physical_height0,
-                            src_level - src_mt->first_level);
    mesa_format format = src_mt->format;
+   uint32_t width, height;
+
+   if (src_mt->surf.size > 0) {
+      width = minify(src_mt->surf.phys_level0_sa.width,
+                     src_level - src_mt->first_level);
+      height = minify(src_mt->surf.phys_level0_sa.height,
+                      src_level - src_mt->first_level);
+
+      const unsigned level_depth = src_mt->surf.dim == ISL_SURF_DIM_3D ?
+         minify(src_mt->surf.phys_level0_sa.depth,
+                src_level - src_mt->first_level) :
+         src_mt->surf.phys_level0_sa.array_len;
+      assert(src_layer < level_depth);
+   } else {
+      width = minify(src_mt->physical_width0,
+                     src_level - src_mt->first_level);
+      height = minify(src_mt->physical_height0,
+                      src_level - src_mt->first_level);
+      assert(src_layer < src_mt->level[src_level].depth);
+   }
 
-   assert(src_layer < src_mt->level[src_level].depth);
    assert(src_mt->format == dst_mt->format);
 
    if (dst_mt->compressed) {
-- 
2.11.0

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