| /* |
| * Copyright (C) 2015 - Tobias Jakobi |
| * |
| * 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 |
| * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. |
| */ |
| |
| #include <unistd.h> |
| #include <poll.h> |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <time.h> |
| #include <getopt.h> |
| |
| #include <pthread.h> |
| |
| #include <xf86drm.h> |
| |
| #include "exynos_drm.h" |
| #include "exynos_drmif.h" |
| #include "exynos_fimg2d.h" |
| |
| struct g2d_job { |
| unsigned int id; |
| unsigned int busy; |
| }; |
| |
| struct exynos_evhandler { |
| struct pollfd fds; |
| struct exynos_event_context evctx; |
| }; |
| |
| struct threaddata { |
| unsigned int stop; |
| struct exynos_device *dev; |
| struct exynos_evhandler evhandler; |
| }; |
| |
| static void g2d_event_handler(int fd, unsigned int cmdlist_no, unsigned int tv_sec, |
| unsigned int tv_usec, void *user_data) |
| { |
| struct g2d_job *job = user_data; |
| |
| fprintf(stderr, "info: g2d job (id = %u, cmdlist number = %u) finished!\n", |
| job->id, cmdlist_no); |
| |
| job->busy = 0; |
| } |
| |
| static void setup_g2d_event_handler(struct exynos_evhandler *evhandler, int fd) |
| { |
| evhandler->fds.fd = fd; |
| evhandler->fds.events = POLLIN; |
| evhandler->evctx.base.version = 2; |
| evhandler->evctx.version = 1; |
| evhandler->evctx.g2d_event_handler = g2d_event_handler; |
| } |
| |
| static void* threadfunc(void *arg) { |
| const int timeout = 0; |
| struct threaddata *data; |
| |
| data = arg; |
| |
| while (1) { |
| if (data->stop) break; |
| |
| usleep(500); |
| |
| data->evhandler.fds.revents = 0; |
| |
| if (poll(&data->evhandler.fds, 1, timeout) < 0) |
| continue; |
| |
| if (data->evhandler.fds.revents & (POLLHUP | POLLERR)) |
| continue; |
| |
| if (data->evhandler.fds.revents & POLLIN) |
| exynos_handle_event(data->dev, &data->evhandler.evctx); |
| } |
| |
| pthread_exit(0); |
| } |
| |
| /* |
| * We need to wait until all G2D jobs are finished, otherwise we |
| * potentially remove a BO which the engine still operates on. |
| * This results in the following kernel message: |
| * [drm:exynos_drm_gem_put_dma_addr] *ERROR* failed to lookup gem object. |
| * Also any subsequent BO allocations fail then with: |
| * [drm:exynos_drm_alloc_buf] *ERROR* failed to allocate buffer. |
| */ |
| static void wait_all_jobs(struct g2d_job* jobs, unsigned num_jobs) |
| { |
| unsigned i; |
| |
| for (i = 0; i < num_jobs; ++i) { |
| while (jobs[i].busy) |
| usleep(500); |
| } |
| |
| } |
| |
| static struct g2d_job* free_job(struct g2d_job* jobs, unsigned num_jobs) |
| { |
| unsigned i; |
| |
| for (i = 0; i < num_jobs; ++i) { |
| if (jobs[i].busy == 0) |
| return &jobs[i]; |
| } |
| |
| return NULL; |
| } |
| |
| static int g2d_work(struct g2d_context *ctx, struct g2d_image *img, |
| unsigned num_jobs, unsigned iterations) |
| { |
| struct g2d_job *jobs = calloc(num_jobs, sizeof(struct g2d_job)); |
| int ret; |
| unsigned i; |
| |
| /* setup job ids */ |
| for (i = 0; i < num_jobs; ++i) |
| jobs[i].id = i; |
| |
| for (i = 0; i < iterations; ++i) { |
| unsigned x, y, w, h; |
| |
| struct g2d_job *j = NULL; |
| |
| while (1) { |
| j = free_job(jobs, num_jobs); |
| |
| if (j) |
| break; |
| else |
| usleep(500); |
| } |
| |
| x = rand() % img->width; |
| y = rand() % img->height; |
| |
| if (x == (img->width - 1)) |
| x -= 1; |
| if (y == (img->height - 1)) |
| y -= 1; |
| |
| w = rand() % (img->width - x); |
| h = rand() % (img->height - y); |
| |
| if (w == 0) w = 1; |
| if (h == 0) h = 1; |
| |
| img->color = rand(); |
| |
| j->busy = 1; |
| g2d_config_event(ctx, j); |
| |
| ret = g2d_solid_fill(ctx, img, x, y, w, h); |
| |
| if (ret == 0) |
| g2d_exec(ctx); |
| |
| if (ret != 0) { |
| fprintf(stderr, "error: iteration %u (x = %u, x = %u, x = %u, x = %u) failed\n", |
| i, x, y, w, h); |
| break; |
| } |
| } |
| |
| wait_all_jobs(jobs, num_jobs); |
| free(jobs); |
| |
| return 0; |
| } |
| |
| static void usage(const char *name) |
| { |
| fprintf(stderr, "usage: %s [-ijwh]\n\n", name); |
| |
| fprintf(stderr, "\t-i <number of iterations>\n"); |
| fprintf(stderr, "\t-j <number of G2D jobs> (default = 4)\n\n"); |
| |
| fprintf(stderr, "\t-w <buffer width> (default = 4096)\n"); |
| fprintf(stderr, "\t-h <buffer height> (default = 4096)\n"); |
| |
| exit(0); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| int fd, ret, c, parsefail; |
| |
| pthread_t event_thread; |
| struct threaddata event_data = {0}; |
| |
| struct exynos_device *dev; |
| struct g2d_context *ctx; |
| struct exynos_bo *bo; |
| |
| struct g2d_image img = {0}; |
| |
| unsigned int iters = 0, njobs = 4; |
| unsigned int bufw = 4096, bufh = 4096; |
| |
| ret = 0; |
| parsefail = 0; |
| |
| while ((c = getopt(argc, argv, "i:j:w:h:")) != -1) { |
| switch (c) { |
| case 'i': |
| if (sscanf(optarg, "%u", &iters) != 1) |
| parsefail = 1; |
| break; |
| case 'j': |
| if (sscanf(optarg, "%u", &njobs) != 1) |
| parsefail = 1; |
| break; |
| case 'w': |
| if (sscanf(optarg, "%u", &bufw) != 1) |
| parsefail = 1; |
| break; |
| case 'h': |
| if (sscanf(optarg, "%u", &bufh) != 1) |
| parsefail = 1; |
| break; |
| default: |
| parsefail = 1; |
| break; |
| } |
| } |
| |
| if (parsefail || (argc == 1) || (iters == 0)) |
| usage(argv[0]); |
| |
| if (bufw > 4096 || bufh > 4096) { |
| fprintf(stderr, "error: buffer width/height should be less than 4096.\n"); |
| ret = -1; |
| |
| goto out; |
| } |
| |
| if (bufw == 0 || bufh == 0) { |
| fprintf(stderr, "error: buffer width/height should be non-zero.\n"); |
| ret = -1; |
| |
| goto out; |
| } |
| |
| fd = drmOpen("exynos", NULL); |
| if (fd < 0) { |
| fprintf(stderr, "error: failed to open drm\n"); |
| ret = -1; |
| |
| goto out; |
| } |
| |
| dev = exynos_device_create(fd); |
| if (dev == NULL) { |
| fprintf(stderr, "error: failed to create device\n"); |
| ret = -2; |
| |
| goto fail; |
| } |
| |
| ctx = g2d_init(fd); |
| if (ctx == NULL) { |
| fprintf(stderr, "error: failed to init G2D\n"); |
| ret = -3; |
| |
| goto g2d_fail; |
| } |
| |
| bo = exynos_bo_create(dev, bufw * bufh * 4, 0); |
| if (bo == NULL) { |
| fprintf(stderr, "error: failed to create bo\n"); |
| ret = -4; |
| |
| goto bo_fail; |
| } |
| |
| /* setup g2d image object */ |
| img.width = bufw; |
| img.height = bufh; |
| img.stride = bufw * 4; |
| img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB; |
| img.buf_type = G2D_IMGBUF_GEM; |
| img.bo[0] = bo->handle; |
| |
| event_data.dev = dev; |
| setup_g2d_event_handler(&event_data.evhandler, fd); |
| |
| pthread_create(&event_thread, NULL, threadfunc, &event_data); |
| |
| ret = g2d_work(ctx, &img, njobs, iters); |
| if (ret != 0) |
| fprintf(stderr, "error: g2d_work failed\n"); |
| |
| event_data.stop = 1; |
| pthread_join(event_thread, NULL); |
| |
| exynos_bo_destroy(bo); |
| |
| bo_fail: |
| g2d_fini(ctx); |
| |
| g2d_fail: |
| exynos_device_destroy(dev); |
| |
| fail: |
| drmClose(fd); |
| |
| out: |
| return ret; |
| } |