diff --git a/tests/d3d12.c b/tests/d3d12.c
index 98b69ba7..e164dab6 100644
--- a/tests/d3d12.c
+++ b/tests/d3d12.c
@@ -14180,7 +14180,7 @@ static void test_sample_instructions(void)
         float ps_constants[4];
         const unsigned int *expected_data;
         bool bug_on_mvk;
-        bool bug_on_llvmpipe;
+        bool todo_on_llvmpipe;
     }
     tests[] =
     {
@@ -14210,6 +14210,13 @@ static void test_sample_instructions(void)
         {&ps_sample_l, &rgba_texture,        POINT, 0.0f, 0.0f, MIP_MAX, {-1.0f},                  rgba_level_0},
         {&ps_sample_l, &rgba_texture,        POINT, 0.0f, 0.0f, MIP_MAX, {0.0f},                   rgba_level_0},
         {&ps_sample_l, &rgba_texture,        POINT, 0.0f, 0.0f, MIP_MAX, {0.4f},                   rgba_level_0},
+        /* For POINT filtering, Direct3D specifies mip level selection
+         * essentially as "⌊λ + ½⌋" (7.18.10 "Mipmap Selection" in the
+         * Direct3D 11.3 Functional Specification). OpenGL and Vulkan allow
+         * both "⌈λ + ½⌉ - 1" and "⌊λ + ½⌋", with the former being preferred.
+         * Perhaps unsurprisingly, most desktop GPUs implement the Direct3D
+         * behaviour. Current versions of llvmpipe seem to implement the
+         * preferred OpenGL/Vulkan behaviour. */
         {&ps_sample_l, &rgba_texture,        POINT, 0.0f, 0.0f, MIP_MAX, {0.5f},                   level_1_colors, true, true},
         {&ps_sample_l, &rgba_texture,        POINT, 0.0f, 0.0f, MIP_MAX, {0.6f},                   level_1_colors},
         {&ps_sample_l, &rgba_texture,        POINT, 0.0f, 0.0f, MIP_MAX, {1.0f},                   level_1_colors},
@@ -14360,7 +14367,7 @@ static void test_sample_instructions(void)
                 break;
         }
         bug_if(tests[i].bug_on_mvk && is_mvk_device(device))
-        bug_if(tests[i].bug_on_llvmpipe && is_llvmpipe_device(device))
+        todo_if(tests[i].todo_on_llvmpipe && is_llvmpipe_device(device))
         ok(!fail, "Got color 0x%08x, expected 0x%08x at (%u, %u).\n",
                 color, tests[i].expected_data[tests[i].texture->width * y + x], x, y);
         release_resource_readback(&rb);