--- /dev/null
+/*
+ * Copyright © 2020 Google LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "freedreno_layout.h"
+#include "adreno_common.xml.h"
+#include "a6xx.xml.h"
+
+#include <stdio.h>
+
+struct testcase {
+ enum pipe_format format;
+
+ int array_size; /* Size for array textures, or 0 otherwise. */
+ bool is_3d;
+
+ /* Partially filled layout of input parameters and expected results. */
+ struct fdl_layout layout;
+};
+
+static const struct testcase testcases[] = {
+ /* A straightforward first testcase, linear, with an obvious format. */
+ {
+ .format = PIPE_FORMAT_R8G8B8A8_UNORM,
+ .layout = {
+ .width0 = 32, .height0 = 32,
+ .slices = {
+ { .offset = 0, .pitch = 256 },
+ { .offset = 8192, .pitch = 256 },
+ { .offset = 12288, .pitch = 256 },
+ { .offset = 14336, .pitch = 256 },
+ { .offset = 15360, .pitch = 256 },
+ { .offset = 15872, .pitch = 256 },
+ },
+ },
+ },
+
+ /* A tiled/ubwc layout from the blob driver, at a size where the a630 blob
+ * driver does something interesting for linear.
+ */
+ {
+ .format = PIPE_FORMAT_R8G8B8A8_UNORM,
+ .layout = {
+ .tile_mode = TILE6_3,
+ .ubwc = true,
+ .width0 = 1024, .height0 = 1,
+ .slices = {
+ { .offset = 0, .pitch = 4096 },
+ { .offset = 65536, .pitch = 2048 },
+ { .offset = 98304, .pitch = 1024 },
+ { .offset = 114688, .pitch = 512 },
+ { .offset = 122880, .pitch = 256 },
+ { .offset = 126976, .pitch = 256 },
+ { .offset = 131072, .pitch = 256 },
+ { .offset = 135168, .pitch = 256 },
+ { .offset = 139264, .pitch = 256 },
+ { .offset = 143360, .pitch = 256 },
+ { .offset = 147456, .pitch = 256 },
+ },
+ .ubwc_slices = {
+ { .offset = 0, .pitch = 64 },
+ { .offset = 4096, .pitch = 64 },
+ { .offset = 8192, .pitch = 64 },
+ { .offset = 12288, .pitch = 64 },
+ { .offset = 16384, .pitch = 64 },
+ { .offset = 20480, .pitch = 64 },
+ { .offset = 24576, .pitch = 64 },
+ { .offset = 28672, .pitch = 64 },
+ { .offset = 32768, .pitch = 64 },
+ { .offset = 36864, .pitch = 64 },
+ { .offset = 40960, .pitch = 64 },
+ },
+ },
+ },
+
+ /* An interesting layout from the blob driver on a630, showing that
+ * per-level pitch must be derived from level 0's pitch, not width0. We
+ * don't do this level 0 pitch disalignment (we pick 4096), so disabled
+ * this test for now.
+ */
+#if 0
+ {
+ .format = PIPE_FORMAT_R8G8B8A8_UNORM,
+ .layout = {
+ .width0 = 1024, .height0 = 1,
+ .slices = {
+ { .offset = 0, .pitch = 5120 },
+ { .offset = 5120, .pitch = 2560 },
+ { .offset = 7680, .pitch = 1280 },
+ { .offset = 8960, .pitch = 768 },
+ { .offset = 9728, .pitch = 512 },
+ { .offset = 10240, .pitch = 256 },
+ { .offset = 10496, .pitch = 256 },
+ { .offset = 10752, .pitch = 256 },
+ { .offset = 11008, .pitch = 256 },
+ { .offset = 11264, .pitch = 256 },
+ { .offset = 11520, .pitch = 256 },
+ },
+ },
+ },
+#endif
+};
+
+static bool test_layout(const struct testcase *testcase)
+{
+ struct fdl_layout layout = {
+ .ubwc = testcase->layout.ubwc,
+ .tile_mode = testcase->layout.tile_mode,
+ };
+ bool ok = true;
+
+ int max_size = MAX2(testcase->layout.width0, testcase->layout.height0);
+ int mip_levels = 1;
+ while (max_size > 1) {
+ mip_levels++;
+ max_size = u_minify(max_size, 1);
+ }
+
+ fdl6_layout(&layout,
+ testcase->format,
+ MAX2(testcase->layout.nr_samples, 1),
+ testcase->layout.width0,
+ MAX2(testcase->layout.height0, 1),
+ MAX2(testcase->layout.depth0, 1),
+ mip_levels,
+ MAX2(testcase->array_size, 1),
+ testcase->is_3d);
+
+ /* Our pitch values in the testcases[] layouts are in bytes straight out
+ * of the traces, while fdl is in pixels. Rescale now.
+ */
+ for (int l = 0; l < mip_levels; l++)
+ layout.slices[l].pitch *= layout.cpp;
+
+ /* fdl lays out UBWC data before the color data, while all we have
+ * recorded in this testcase are the color offsets. Shift the fdl layout
+ * down so we can compare color offsets.
+ */
+ if (layout.ubwc) {
+ for (int l = 1; l < mip_levels; l++)
+ layout.slices[l].offset -= layout.slices[0].offset;
+ layout.slices[0].offset = 0;
+ }
+
+ for (int l = 0; l < mip_levels; l++) {
+ if (layout.slices[l].offset != testcase->layout.slices[l].offset) {
+ fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: offset 0x%x != 0x%x\n",
+ util_format_short_name(testcase->format),
+ layout.width0, layout.height0, layout.depth0,
+ layout.nr_samples, l,
+ layout.slices[l].offset,
+ testcase->layout.slices[l].offset);
+ ok = false;
+ }
+ if (layout.slices[l].pitch != testcase->layout.slices[l].pitch) {
+ fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: pitch %d != %d\n",
+ util_format_short_name(testcase->format),
+ layout.width0, layout.height0, layout.depth0,
+ layout.nr_samples, l,
+ layout.slices[l].pitch,
+ testcase->layout.slices[l].pitch);
+ ok = false;
+ }
+
+ if (layout.ubwc_slices[l].offset != testcase->layout.ubwc_slices[l].offset) {
+ fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: offset 0x%x != 0x%x\n",
+ util_format_short_name(testcase->format),
+ layout.width0, layout.height0, layout.depth0,
+ layout.nr_samples, l,
+ layout.ubwc_slices[l].offset,
+ testcase->layout.ubwc_slices[l].offset);
+ ok = false;
+ }
+ if (layout.ubwc_slices[l].pitch != testcase->layout.ubwc_slices[l].pitch) {
+ fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: pitch %d != %d\n",
+ util_format_short_name(testcase->format),
+ layout.width0, layout.height0, layout.depth0,
+ layout.nr_samples, l,
+ layout.ubwc_slices[l].pitch,
+ testcase->layout.ubwc_slices[l].pitch);
+ ok = false;
+ }
+ }
+
+ if (!ok)
+ fprintf(stderr, "\n");
+
+ return ok;
+}
+
+int
+main(int argc, char **argv)
+{
+ int ret = 0;
+
+ for (int i = 0; i < ARRAY_SIZE(testcases); i++) {
+ if (!test_layout(&testcases[i]))
+ ret = 1;
+ }
+
+ return ret;
+}