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isl: Fix isl_surf_get_image_offset_sa for gen4_3d layout

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Bug found by unit test
test_bdw_3d_r8g8b8a8_unorm_256x256x256_levels09_tiley0.
This commit is contained in:
Chad Versace
2016-01-22 08:32:00 -08:00
parent 891ed5ca8c
commit f9d4d09549
1 changed files with 1 additions and 2 deletions
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3
src/isl/isl.c
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@@ -1200,10 +1200,9 @@ get_image_offset_sa_gen4_3d(const struct isl_surf *surf,
const uint32_t level_d = isl_align_npot(isl_minify(D0, level), image_align_sa.d);
const uint32_t max_layers_horiz = MIN(level_d, 1u << level);
const uint32_t max_layers_vert = isl_align_div(level_d, 1u << level);
x += level_w * (logical_z_offset_px % max_layers_horiz);
y += level_h * (logical_z_offset_px / max_layers_vert);
y += level_h * (logical_z_offset_px / max_layers_horiz);
*x_offset_sa = x;
*y_offset_sa = y;