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i965: Use blorp_copy for doing r8 stencil updates on HSW

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The blorp_copy entrypoint is designed for doing memcpy like operations
which is what we need to do here while blorp_blit is for handling format
conversion and scaling.  Using blorp_copy is much simpler and prevents
us from getting formats wrong.  While we're here, we get rid of the
layers_per_blit thing since stencil always uses interleaved MSAA.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Jason Ekstrand
2017-05-15 13:27:16 -07:00
parent 441cd7a81d
commit c19150af5c
1 changed files with 4 additions and 15 deletions
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src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+4 -15
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@@ -2397,25 +2397,14 @@ intel_update_r8stencil(struct brw_context *brw,
for (int level = src->first_level; level <= src->last_level; level++) {
const unsigned depth = src->level[level].depth;
const int layers_per_blit =
(dst->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
dst->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
dst->num_samples : 1;
for (unsigned layer = 0; layer < depth; layer++) {
brw_blorp_blit_miptrees(brw,
brw_blorp_copy_miptrees(brw,
src, level, layer,
src->format, SWIZZLE_X,
dst, level, layers_per_blit * layer,
MESA_FORMAT_R_UNORM8,
0, 0,
dst, level, layer,
0, 0, 0, 0,
minify(src->logical_width0, level),
minify(src->logical_height0, level),
0, 0,
minify(dst->logical_width0, level),
minify(dst->logical_height0, level),
GL_NEAREST, false, false /*mirror x, y*/,
false, false /* decode/encode srgb */);
minify(src->logical_height0, level));
}
}