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/*
* 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;
}
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