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PL286/external/libdrm/tests/modetest/buffers.c

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/*
* DRM based mode setting test program
* Copyright 2008 Tungsten Graphics
* Jakob Bornecrantz <jakob@tungstengraphics.com>
* Copyright 2008 Intel Corporation
* Jesse Barnes <jesse.barnes@intel.com>
*
* 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 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <sys/ioctl.h>
#include "drm.h"
#include "drm_fourcc.h"
#include "libdrm_macros.h"
#include "xf86drm.h"
#include "buffers.h"
struct bo
{
int fd;
void *ptr;
size_t size;
size_t offset;
size_t pitch;
unsigned handle;
};
/* -----------------------------------------------------------------------------
* Buffers management
*/
static struct bo *
bo_create_dumb(int fd, unsigned int width, unsigned int height, unsigned int bpp)
{
struct drm_mode_create_dumb arg;
struct bo *bo;
int ret;
bo = calloc(1, sizeof(*bo));
if (bo == NULL) {
fprintf(stderr, "failed to allocate buffer object\n");
return NULL;
}
memset(&arg, 0, sizeof(arg));
arg.bpp = bpp;
arg.width = width;
arg.height = height;
ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
if (ret) {
fprintf(stderr, "failed to create dumb buffer: %s\n",
strerror(errno));
free(bo);
return NULL;
}
bo->fd = fd;
bo->handle = arg.handle;
bo->size = arg.size;
bo->pitch = arg.pitch;
return bo;
}
static int bo_map(struct bo *bo, void **out)
{
struct drm_mode_map_dumb arg;
void *map;
int ret;
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
if (ret)
return ret;
map = drm_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
bo->fd, arg.offset);
if (map == MAP_FAILED)
return -EINVAL;
bo->ptr = map;
*out = map;
return 0;
}
static void bo_unmap(struct bo *bo)
{
if (!bo->ptr)
return;
drm_munmap(bo->ptr, bo->size);
bo->ptr = NULL;
}
struct bo *
bo_create(int fd, unsigned int format,
unsigned int width, unsigned int height,
unsigned int handles[4], unsigned int pitches[4],
unsigned int offsets[4], enum util_fill_pattern pattern)
{
unsigned int virtual_height;
struct bo *bo;
unsigned int bpp;
void *planes[3] = { 0, };
void *virtual;
int ret;
switch (format) {
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
bpp = 8;
break;
case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_XRGB4444:
case DRM_FORMAT_ABGR4444:
case DRM_FORMAT_XBGR4444:
case DRM_FORMAT_RGBA4444:
case DRM_FORMAT_RGBX4444:
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBA5551:
case DRM_FORMAT_RGBX5551:
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_BGRX5551:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
bpp = 16;
break;
case DRM_FORMAT_BGR888:
case DRM_FORMAT_RGB888:
bpp = 24;
break;
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_BGRA8888:
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRA1010102:
case DRM_FORMAT_BGRX1010102:
bpp = 32;
break;
default:
fprintf(stderr, "unsupported format 0x%08x\n", format);
return NULL;
}
switch (format) {
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
virtual_height = height * 3 / 2;
break;
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
virtual_height = height * 2;
break;
default:
virtual_height = height;
break;
}
bo = bo_create_dumb(fd, width, virtual_height, bpp);
if (!bo)
return NULL;
ret = bo_map(bo, &virtual);
if (ret) {
fprintf(stderr, "failed to map buffer: %s\n",
strerror(-errno));
bo_destroy(bo);
return NULL;
}
/* just testing a limited # of formats to test single
* and multi-planar path.. would be nice to add more..
*/
switch (format) {
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
planes[0] = virtual;
break;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
pitches[1] = pitches[0];
offsets[1] = pitches[0] * height;
handles[1] = bo->handle;
planes[0] = virtual;
planes[1] = virtual + offsets[1];
break;
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
pitches[1] = pitches[0] / 2;
offsets[1] = pitches[0] * height;
handles[1] = bo->handle;
pitches[2] = pitches[1];
offsets[2] = offsets[1] + pitches[1] * height / 2;
handles[2] = bo->handle;
planes[0] = virtual;
planes[1] = virtual + offsets[1];
planes[2] = virtual + offsets[2];
break;
case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_XRGB4444:
case DRM_FORMAT_ABGR4444:
case DRM_FORMAT_XBGR4444:
case DRM_FORMAT_RGBA4444:
case DRM_FORMAT_RGBX4444:
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBA5551:
case DRM_FORMAT_RGBX5551:
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_BGRX5551:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_BGR888:
case DRM_FORMAT_RGB888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_BGRA8888:
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRA1010102:
case DRM_FORMAT_BGRX1010102:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
planes[0] = virtual;
break;
}
util_fill_pattern(format, pattern, planes, width, height, pitches[0]);
bo_unmap(bo);
return bo;
}
void bo_destroy(struct bo *bo)
{
struct drm_mode_destroy_dumb arg;
int ret;
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
if (ret)
fprintf(stderr, "failed to destroy dumb buffer: %s\n",
strerror(errno));
free(bo);
}