From ff6abb313d975850c0f333f308d6c09e636cd907 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Tue, 17 Apr 2012 17:25:24 +0200 Subject: [PATCH] tests: add gem_set_tiling_vs_gtt Signed-off-by: Daniel Vetter --- tests/.gitignore | 1 + tests/Makefile.am | 1 + tests/gem_set_tiling_vs_gtt.c | 137 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 139 insertions(+) create mode 100644 tests/gem_set_tiling_vs_gtt.c diff --git a/tests/.gitignore b/tests/.gitignore index b719240..47f8cd0 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -37,6 +37,7 @@ gem_reloc_vs_gpu gem_ringfill gem_ring_sync_loop gem_set_tiling_vs_blt +gem_set_tiling_vs_gtt gem_storedw_batches_loop gem_storedw_loop_blt gem_storedw_loop_bsd diff --git a/tests/Makefile.am b/tests/Makefile.am index 002d12e..d06efe6 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -24,6 +24,7 @@ TESTS_progs = \ gem_pwrite \ gem_pread_after_blit \ gem_set_tiling_vs_blt \ + gem_set_tiling_vs_gtt \ gem_tiled_pread \ gem_tiled_pread_pwrite \ gem_tiled_partial_pwrite_pread \ diff --git a/tests/gem_set_tiling_vs_gtt.c b/tests/gem_set_tiling_vs_gtt.c new file mode 100644 index 0000000..1595c76 --- /dev/null +++ b/tests/gem_set_tiling_vs_gtt.c @@ -0,0 +1,137 @@ +/* + * Copyright © 2008 Intel Corporation + * + * 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. + * + * Authors: + * Eric Anholt + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" +#include "intel_gpu_tools.h" + +#define OBJECT_SIZE (1024*1024) +#define TEST_STRIDE (1024*4) + +/** + * Testcase: Check set_tiling vs gtt mmap coherency + */ + +int main(int argc, char **argv) +{ + int fd; + uint32_t *ptr; + uint32_t data[OBJECT_SIZE/4]; + int i; + uint32_t handle; + bool tiling_changed; + int tile_height; + + fd = drm_open_any(); + + if (IS_GEN2(intel_get_drm_devid(fd))) + tile_height = 16; + else + tile_height = 8; + + handle = gem_create(fd, OBJECT_SIZE); + ptr = gem_mmap(fd, handle, OBJECT_SIZE, PROT_READ | PROT_WRITE); + assert(ptr); + + /* gtt coherency is done with set_domain in libdrm, don't break that */ + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); + for (i = 0; i < OBJECT_SIZE/4; i++) + ptr[i] = data[i] = i; + + gem_set_tiling(fd, handle, I915_TILING_X, TEST_STRIDE); + + printf("testing untiled->tiled\n"); + tiling_changed = false; + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, 0); + /* Too lazy to check for the correct tiling, and impossible anyway on + * bit17 swizzling machines. */ + for (i = 0; i < OBJECT_SIZE/4; i++) + if (ptr[i] != data[i]) + tiling_changed = true; + assert(tiling_changed); + + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); + for (i = 0; i < OBJECT_SIZE/4; i++) + ptr[i] = data[i] = i; + + gem_set_tiling(fd, handle, I915_TILING_X, TEST_STRIDE*2); + + printf("testing tiled->tiled\n"); + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, 0); + for (i = 0; i < OBJECT_SIZE/4; i++) { + int tile_row = i / (TEST_STRIDE * tile_height / 4); + int row = i / (TEST_STRIDE * 2 / 4); + int half = i & (TEST_STRIDE / 4); + int ofs = i % (TEST_STRIDE / 4); + int data_i = (tile_row/2)*(TEST_STRIDE * tile_height / 4) + + row*TEST_STRIDE/4 + + half*tile_height + ofs; + uint32_t val = data[data_i]; + + if (ptr[i] != val) { + printf("mismatch at %i, row=%i, half=%i, ofs=%i\n", + i, row, half, ofs); + printf("read: 0x%08x, expected: 0x%08x\n", + ptr[i], val); + assert(0); + } + + } + + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); + for (i = 0; i < OBJECT_SIZE/4; i++) + ptr[i] = data[i] = i; + + gem_set_tiling(fd, handle, I915_TILING_NONE, 0); + printf("testing tiled->untiled\n"); + tiling_changed = false; + gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, 0); + /* Too lazy to check for the correct tiling, and impossible anyway on + * bit17 swizzling machines. */ + for (i = 0; i < OBJECT_SIZE/4; i++) + if (ptr[i] != data[i]) + tiling_changed = true; + assert(tiling_changed); + + munmap(ptr, OBJECT_SIZE); + + close(fd); + + return 0; +} -- 2.7.4