summaryrefslogtreecommitdiff
path: root/tests/gem_gtt_concurrent_blit.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/gem_gtt_concurrent_blit.c')
-rw-r--r--tests/gem_gtt_concurrent_blit.c145
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;
-}