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Diffstat (limited to 'tests/gem_gtt_concurrent_blit.c')
-rw-r--r-- | tests/gem_gtt_concurrent_blit.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/tests/gem_gtt_concurrent_blit.c b/tests/gem_gtt_concurrent_blit.c deleted file mode 100644 index c68af7b5..00000000 --- a/tests/gem_gtt_concurrent_blit.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright © 2009,2012 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 <eric@anholt.net> - * Chris Wilson <chris@chris-wilson.co.uk> - * - */ - -/** @file gem_cpu_concurrent_blit.c - * - * This is a test of GTT mmap read/write behavior when writing to active - * buffers. - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <assert.h> -#include <fcntl.h> -#include <inttypes.h> -#include <errno.h> -#include <sys/stat.h> -#include <sys/time.h> -#include "drm.h" -#include "i915_drm.h" -#include "drmtest.h" -#include "intel_bufmgr.h" -#include "intel_batchbuffer.h" -#include "intel_gpu_tools.h" - -static void -set_bo(drm_intel_bo *bo, uint32_t val, int width, int height) -{ - int size = width * height; - uint32_t *vaddr; - - drm_intel_gem_bo_start_gtt_access(bo, true); - vaddr = bo->virtual; - while (size--) - *vaddr++ = val; -} - -static void -cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height) -{ - int size = width * height; - uint32_t *vaddr; - - drm_intel_gem_bo_start_gtt_access(bo, false); - vaddr = bo->virtual; - while (size--) - assert(*vaddr++ == val); -} - -static drm_intel_bo * -create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height) -{ - drm_intel_bo *bo; - - bo = drm_intel_bo_alloc(bufmgr, "bo", 4*width*height, 0); - assert(bo); - - /* gtt map doesn't have a write parameter, so just keep the mapping - * around (to avoid the set_domain with the gtt write domain set) and - * manually tell the kernel when we start access the gtt. */ - drm_intel_gem_bo_map_gtt(bo); - - set_bo(bo, val, width, height); - - return bo; -} - -int -main(int argc, char **argv) -{ - drm_intel_bufmgr *bufmgr; - struct intel_batchbuffer *batch; - int num_buffers = 128, max; - drm_intel_bo *src[128], *dst[128], *dummy; - int width = 512, height = 512; - int fd; - int i; - - fd = drm_open_any(); - - max = gem_aperture_size (fd) / (1024 * 1024) / 2; - if (num_buffers > max) - num_buffers = max; - - bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); - drm_intel_bufmgr_gem_enable_reuse(bufmgr); - batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); - - for (i = 0; i < num_buffers; i++) { - src[i] = create_bo(bufmgr, i, width, height); - dst[i] = create_bo(bufmgr, ~i, width, height); - } - dummy = create_bo(bufmgr, 0, width, height); - - /* try to overwrite the source values */ - for (i = 0; i < num_buffers; i++) - intel_copy_bo(batch, dst[i], src[i], width, height); - for (i = num_buffers; i--; ) - set_bo(src[i], 0xdeadbeef, width, height); - for (i = 0; i < num_buffers; i++) - cmp_bo(dst[i], i, width, height); - - /* try to read the results before the copy completes */ - for (i = 0; i < num_buffers; i++) - intel_copy_bo(batch, dst[i], src[i], width, height); - for (i = num_buffers; i--; ) - cmp_bo(dst[i], 0xdeadbeef, width, height); - - /* and finally try to trick the kernel into loosing the pending write */ - for (i = num_buffers; i--; ) - set_bo(src[i], 0xabcdabcd, width, height); - for (i = 0; i < num_buffers; i++) - intel_copy_bo(batch, dst[i], src[i], width, height); - for (i = num_buffers; i--; ) - intel_copy_bo(batch, dummy, dst[i], width, height); - for (i = num_buffers; i--; ) - cmp_bo(dst[i], 0xabcdabcd, width, height); - - return 0; -} |