| /* |
| * Copyright © 2016 Broadcom |
| * |
| * 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. |
| */ |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <sys/mman.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/ioctl.h> |
| #include <fcntl.h> |
| |
| #include "drmtest.h" |
| #include "igt_aux.h" |
| #include "igt_core.h" |
| #include "igt_vc4.h" |
| #include "ioctl_wrappers.h" |
| #include "intel_reg.h" |
| #include "intel_chipset.h" |
| #include "vc4_drm.h" |
| #include "vc4_packet.h" |
| |
| #if NEW_CONTEXT_PARAM_NO_ERROR_CAPTURE_API |
| #define LOCAL_CONTEXT_PARAM_NO_ERROR_CAPTURE 0x4 |
| #endif |
| |
| /** |
| * SECTION:igt_vc4 |
| * @short_description: VC4 support library |
| * @title: VC4 |
| * @include: igt.h |
| * |
| * This library provides various auxiliary helper functions for writing VC4 |
| * tests. |
| */ |
| |
| /** |
| * igt_vc4_get_cleared_bo: |
| * @fd: device file descriptor |
| * @size: size of the BO in bytes |
| * @clearval: u32 value that the buffer should be completely cleared with |
| * |
| * This helper returns a new BO with the given size, which has just been |
| * cleared using the render engine. |
| */ |
| uint32_t igt_vc4_get_cleared_bo(int fd, size_t size, uint32_t clearval) |
| { |
| /* A single row will be a page. */ |
| uint32_t width = 1024; |
| uint32_t height = size / (width * 4); |
| uint32_t handle = igt_vc4_create_bo(fd, size); |
| struct drm_vc4_submit_cl submit = { |
| .color_write = { |
| .hindex = 0, |
| .bits = VC4_SET_FIELD(VC4_RENDER_CONFIG_FORMAT_RGBA8888, |
| VC4_RENDER_CONFIG_FORMAT), |
| }, |
| |
| .color_read = { .hindex = ~0 }, |
| .zs_read = { .hindex = ~0 }, |
| .zs_write = { .hindex = ~0 }, |
| .msaa_color_write = { .hindex = ~0 }, |
| .msaa_zs_write = { .hindex = ~0 }, |
| |
| .bo_handles = to_user_pointer(&handle), |
| .bo_handle_count = 1, |
| .width = width, |
| .height = height, |
| .max_x_tile = ALIGN(width, 64) / 64 - 1, |
| .max_y_tile = ALIGN(height, 64) / 64 - 1, |
| .clear_color = { clearval, clearval }, |
| .flags = VC4_SUBMIT_CL_USE_CLEAR_COLOR, |
| }; |
| |
| igt_assert_eq_u32(width * height * 4, size); |
| |
| do_ioctl(fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit); |
| |
| return handle; |
| } |
| |
| int |
| igt_vc4_create_bo(int fd, size_t size) |
| { |
| struct drm_vc4_create_bo create = { |
| .size = size, |
| }; |
| |
| do_ioctl(fd, DRM_IOCTL_VC4_CREATE_BO, &create); |
| |
| return create.handle; |
| } |
| |
| void * |
| igt_vc4_mmap_bo(int fd, uint32_t handle, uint32_t size, unsigned prot) |
| { |
| struct drm_vc4_mmap_bo mmap_bo = { |
| .handle = handle, |
| }; |
| void *ptr; |
| |
| do_ioctl(fd, DRM_IOCTL_VC4_MMAP_BO, &mmap_bo); |
| |
| ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_bo.offset); |
| if (ptr == MAP_FAILED) |
| return NULL; |
| else |
| return ptr; |
| } |