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/*
* Copyright © 2013 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:
* Damien Lespiau <damien.lespiau@intel.com>
* Xiang, Haihao <haihao.xiang@intel.com>
*/
/*
* This file is a basic test for the gpgpu_fill() function, a very simple
* workload for the GPGPU pipeline.
*/
#include <stdbool.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "drm.h"
#include "i915/gem.h"
#include "igt.h"
#include "igt_collection.h"
#include "intel_bufops.h"
#include "i915/intel_memory_region.h"
#define WIDTH 64
#define HEIGHT 64
#define STRIDE (WIDTH)
#define SIZE (HEIGHT*STRIDE)
#define COLOR_C4 0xc4
#define COLOR_4C 0x4c
typedef struct {
int drm_fd;
uint32_t devid;
struct buf_ops *bops;
} data_t;
static struct intel_buf *
create_buf(data_t *data, int width, int height, uint8_t color, uint32_t region)
{
struct intel_buf *buf;
uint8_t *ptr;
uint32_t handle;
int i;
buf = calloc(1, sizeof(*buf));
igt_assert(buf);
/*
* Legacy code uses 32 bpp after buffer creation.
* Let's do the same due to keep shader intact.
*/
handle = gem_create_in_memory_regions(data->drm_fd, SIZE, region);
intel_buf_init_using_handle(data->bops, handle, buf,
width/4, height, 32, 0,
I915_TILING_NONE, 0);
ptr = gem_mmap__cpu_coherent(data->drm_fd, buf->handle, 0,
buf->surface[0].size, PROT_WRITE);
for (i = 0; i < buf->surface[0].size; i++)
ptr[i] = color;
munmap(ptr, buf->surface[0].size);
return buf;
}
static void buf_check(uint8_t *ptr, int x, int y, uint8_t color)
{
uint8_t val;
val = ptr[y * WIDTH + x];
igt_assert_f(val == color,
"Expected 0x%02x, found 0x%02x at (%d,%d)\n",
color, val, x, y);
}
static void gpgpu_fill(data_t *data, igt_fillfunc_t fill, uint32_t region)
{
struct intel_buf *buf;
uint8_t *ptr;
int i, j;
buf = create_buf(data, WIDTH, HEIGHT, COLOR_C4, region);
ptr = gem_mmap__device_coherent(data->drm_fd, buf->handle, 0,
buf->surface[0].size, PROT_READ);
for (i = 0; i < WIDTH; i++)
for (j = 0; j < HEIGHT; j++)
buf_check(ptr, i, j, COLOR_C4);
fill(data->drm_fd, buf, 0, 0, WIDTH / 2, HEIGHT / 2, COLOR_4C);
for (i = 0; i < WIDTH; i++)
for (j = 0; j < HEIGHT; j++)
if (i < WIDTH / 2 && j < HEIGHT / 2)
buf_check(ptr, i, j, COLOR_4C);
else
buf_check(ptr, i, j, COLOR_C4);
munmap(ptr, buf->surface[0].size);
}
igt_main
{
data_t data = {0, };
igt_fillfunc_t fill_fn = NULL;
struct drm_i915_query_memory_regions *region_info;
struct igt_collection *region_set;
igt_fixture {
data.drm_fd = drm_open_driver_render(DRIVER_INTEL);
data.devid = intel_get_drm_devid(data.drm_fd);
igt_require_gem(data.drm_fd);
data.bops = buf_ops_create(data.drm_fd);
fill_fn = igt_get_gpgpu_fillfunc(data.devid);
igt_require_f(fill_fn, "no gpgpu-fill function\n");
region_info = gem_get_query_memory_regions(data.drm_fd);
igt_assert(region_info);
region_set = get_memory_region_set(region_info,
I915_SYSTEM_MEMORY,
I915_DEVICE_MEMORY);
}
igt_subtest_with_dynamic("basic") {
struct igt_collection *region;
for_each_combination(region, 1, region_set) {
char *name = memregion_dynamic_subtest_name(region);
uint32_t id = igt_collection_get_value(region, 0);
igt_dynamic(name)
gpgpu_fill(&data, fill_fn, id);
free(name);
}
}
igt_fixture {
igt_collection_destroy(region_set);
free(region_info);
buf_ops_destroy(data.bops);
}
}
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