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intel/isl: Linear to Tile-4 conversion unittest

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Add unittest to test conversion of data from linear to
Tile-4 format based on bit swizzling conversion info
mentioned in Bspec.

Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13391>
This commit is contained in:
Aditya Swarup
2022-07-18 16:59:46 -07:00
parent 4f0d02902e
commit a6c8ddb596
1 changed files with 46 additions and 0 deletions
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src/intel/isl/tests/isl_tilememcpy_tiled_unittest.cpp
+46
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@@ -70,8 +70,29 @@ uint8_t *linear_to_Ytile_swizzle(const uint8_t *base_addr, uint32_t x_B, uint32_
return (uint8_t *)(base_addr + tiled_off);
}
uint8_t *linear_to_tile4_swizzle(const uint8_t * base_addr, uint32_t x_B, uint32_t y_px)
{
/* The table below represents the mapping from coordinate (x_B, y_px) to
* byte offset in a 128x32px 1Bpp image:
*
* Bit ind : 11 10 9 8 7 6 5 4 3 2 1 0
* Tile-Y : v4 v3 u6 v2 u5 u4 v1 v0 u3 u2 u1 u0
*/
uint32_t tiled_off;
tiled_off = swizzle_bitops(x_B, 4, 0, 0) |
swizzle_bitops(y_px, 2, 0, 4) |
swizzle_bitops(x_B, 2, 4, 6) |
swizzle_bitops(y_px, 1, 2, 8) |
swizzle_bitops(x_B, 1, 6, 9) |
swizzle_bitops(y_px, 2, 3, 10);
return (uint8_t *) (base_addr + tiled_off);
}
struct tile_swizzle_ops swizzle_opers[] = {
{ISL_TILING_Y0, linear_to_Ytile_swizzle},
{ISL_TILING_4, linear_to_tile4_swizzle},
};
class tileTFixture: public ::testing::Test {
@@ -102,6 +123,11 @@ class tileYFixture : public tileTFixture,
int, int>>
{};
class tile4Fixture : public tileTFixture,
public ::testing::WithParamInterface<std::tuple<int, int,
int, int>>
{};
void tileTFixture::test_setup (TILE_CONV convert, enum isl_tiling tiling_fmt, enum isl_format format)
{
print_results = debug_get_bool_option("ISL_TEST_DEBUG", false);
@@ -239,4 +265,24 @@ TEST_P(tileYFixture, tiletolin)
run_test(x1, x2, y1, y2);
}
TEST_P(tile4Fixture, lintotile)
{
auto [x1, x2, y1, y2] = GetParam();
test_setup(LIN_TO_TILE, ISL_TILING_4, IMAGE_FORMAT);
if (print_results)
printf("Coordinates: x1=%d x2=%d y1=%d y2=%d \n", x1, x2, y1, y2);
run_test(x1, x2, y1, y2);
}
TEST_P(tile4Fixture, tiletolin)
{
auto [x1, x2, y1, y2] = GetParam();
test_setup(TILE_TO_LIN, ISL_TILING_4, IMAGE_FORMAT);
if (print_results)
printf("Coordinates: x1=%d x2=%d y1=%d y2=%d \n", x1, x2, y1, y2);
run_test(x1, x2, y1, y2);
}
INSTANTIATE_TEST_SUITE_P(Ytile, tileYFixture, testing::Values(TILE_COORDINATES));
INSTANTIATE_TEST_SUITE_P(tile4, tile4Fixture, testing::Values(TILE_COORDINATES));