blob: d2af1e333c7a51c7e3478318569db884b6884c5b [file] [log] [blame]
/*
* Copyright © 2011 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:
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
/** @file gem_linear_render_blits.c
*
* This is a test of doing many blits, with a working set
* larger than the aperture size.
*
* The goal is to simply ensure the basics work.
*/
#include "rendercopy.h"
#define WIDTH 512
#define STRIDE (WIDTH*4)
#define HEIGHT 512
#define SIZE (HEIGHT*STRIDE)
static render_copyfunc_t render_copy;
static void
check_bo(drm_intel_bo *bo, uint32_t val)
{
uint32_t *ptr;
int i;
do_or_die(drm_intel_gem_bo_map_gtt(bo));
ptr = bo->virtual;
for (i = 0; i < WIDTH*HEIGHT; i++) {
if (ptr[i] != val) {
fprintf(stderr, "Expected 0x%08x, found 0x%08x "
"at offset 0x%08x\n",
val, ptr[i], i * 4);
abort();
}
val++;
}
drm_intel_gem_bo_unmap_gtt(bo);
}
int main(int argc, char **argv)
{
drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
uint32_t *start_val;
struct scratch_buf *buf;
uint32_t start = 0;
int i, j, fd, count;
igt_skip_on_simulation();
fd = drm_open_any();
render_copy = get_render_copyfunc(intel_get_drm_devid(fd));
if (render_copy == NULL) {
printf("no render-copy function, doing nothing\n");
return 77;
}
bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
drm_intel_bufmgr_gem_set_vma_cache_size(bufmgr, 32);
batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
count = 0;
if (argc > 1)
count = atoi(argv[1]);
if (count == 0)
count = 3 * gem_aperture_size(fd) / SIZE / 2;
else if (count < 2) {
fprintf(stderr, "count must be >= 2\n");
return 1;
}
printf("Using %d 1MiB buffers\n", count);
buf = malloc(sizeof(*buf)*count);
start_val = malloc(sizeof(*start_val)*count);
for (i = 0; i < count; i++) {
uint32_t tiling = I915_TILING_X + (random() & 1);
unsigned long pitch = STRIDE;
uint32_t *ptr;
buf[i].bo = drm_intel_bo_alloc_tiled(bufmgr, "",
WIDTH, HEIGHT, 4,
&tiling, &pitch, 0);
buf[i].stride = pitch;
buf[i].tiling = tiling;
buf[i].size = SIZE;
start_val[i] = start;
do_or_die(drm_intel_gem_bo_map_gtt(buf[i].bo));
ptr = buf[i].bo->virtual;
for (j = 0; j < WIDTH*HEIGHT; j++)
ptr[j] = start++;
drm_intel_gem_bo_unmap_gtt(buf[i].bo);
}
printf("Verifying initialisation...\n");
for (i = 0; i < count; i++)
check_bo(buf[i].bo, start_val[i]);
printf("Cyclic blits, forward...\n");
for (i = 0; i < count * 4; i++) {
int src = i % count;
int dst = (i + 1) % count;
render_copy(batch, buf+src, 0, 0, WIDTH, HEIGHT, buf+dst, 0, 0);
start_val[dst] = start_val[src];
}
for (i = 0; i < count; i++)
check_bo(buf[i].bo, start_val[i]);
printf("Cyclic blits, backward...\n");
for (i = 0; i < count * 4; i++) {
int src = (i + 1) % count;
int dst = i % count;
render_copy(batch, buf+src, 0, 0, WIDTH, HEIGHT, buf+dst, 0, 0);
start_val[dst] = start_val[src];
}
for (i = 0; i < count; i++)
check_bo(buf[i].bo, start_val[i]);
printf("Random blits...\n");
for (i = 0; i < count * 4; i++) {
int src = random() % count;
int dst = random() % count;
if (src == dst)
continue;
render_copy(batch, buf+src, 0, 0, WIDTH, HEIGHT, buf+dst, 0, 0);
start_val[dst] = start_val[src];
}
for (i = 0; i < count; i++)
check_bo(buf[i].bo, start_val[i]);
return 0;
}