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/*
* DRM based rotator test program
* Copyright 2012 Samsung Electronics
* YoungJun Cho <yj44.cho@samsung.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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "exynos_drm.h"
#include "gem.h"
int util_gem_create_mmap(int fd, struct drm_exynos_gem_create *gem,
struct drm_exynos_gem_mmap *mmap,
void **addr,
unsigned int size)
{
struct drm_gem_close args;
/* initialize structure for gem create */
memset(gem, 0x00, sizeof(struct drm_exynos_gem_create));
gem->size = size;
if (exynos_gem_create(fd, gem) < 0) {
fprintf(stderr, "failed to gem create: %s\n", strerror(errno));
return -1;
}
/* initialize structure for gem mmap */
memset(mmap, 0x00, sizeof(struct drm_exynos_gem_mmap));
mmap->handle = gem->handle;
mmap->size = gem->size;
if (exynos_gem_mmap(fd, mmap) < 0) {
fprintf(stderr, "failed to gem mmap: %s\n", strerror(errno));
memset(&args, 0x00, sizeof(struct drm_gem_close));
args.handle = gem->handle;
exynos_gem_close(fd, &args);
return -2;
}
*addr = (void *)(unsigned long)mmap->mapped;
return 0;
}
void util_draw_buffer(void *addr, unsigned int stripe,
unsigned int width, unsigned int height,
unsigned int stride, unsigned int size)
{
if (stripe == 1) {
int i, j;
unsigned int *fb_ptr;
div_t d;
for (j = 0; j < height; j++) {
fb_ptr = (unsigned int *)((char *)addr + j * stride);
for (i = 0; i < width; i++) {
d = div(i, width);
fb_ptr[i] = 0x00130502 * (d.quot >> 6)
+ 0x000a1120 * (d.rem >> 6);
}
}
} else
memset(addr, 0x77, size);
}
int util_write_bmp(const char *file, const void *data, unsigned int width,
unsigned int height)
{
int i;
unsigned int * blocks;
FILE *fp;
struct {
unsigned char magic[2];
} bmpfile_magic = { {'B', 'M'} };
struct {
unsigned int filesz;
unsigned short creator1;
unsigned short creator2;
unsigned int bmp_offset;
} bmpfile_header = { 0, 0, 0, 0x36 };
struct {
unsigned int header_sz;
unsigned int width;
unsigned int height;
unsigned short nplanes;
unsigned short bitspp;
unsigned int compress_type;
unsigned int bmp_bytesz;
unsigned int hres;
unsigned int vres;
unsigned int ncolors;
unsigned int nimpcolors;
} bmp_dib_v3_header_t = { 0x28, 0, 0, 1, 32, 0, 0, 0, 0, 0, 0 };
fp = fopen(file, "wb");
if (fp == NULL) return -1;
bmpfile_header.filesz = sizeof(bmpfile_magic) + sizeof(bmpfile_header)
+ sizeof(bmp_dib_v3_header_t) + width * height * 4;
bmp_dib_v3_header_t.header_sz = sizeof(bmp_dib_v3_header_t);
bmp_dib_v3_header_t.width = width;
bmp_dib_v3_header_t.height = -height;
bmp_dib_v3_header_t.nplanes = 1;
bmp_dib_v3_header_t.bmp_bytesz = width * height * 4;
fwrite(&bmpfile_magic, sizeof(bmpfile_magic), 1, fp);
fwrite(&bmpfile_header, sizeof(bmpfile_header), 1, fp);
fwrite(&bmp_dib_v3_header_t, sizeof(bmp_dib_v3_header_t), 1, fp);
blocks = (unsigned int*)data;
for (i = 0; i < height * width; i++)
fwrite(&blocks[i], 4, 1, fp);
fclose(fp);
return 0;
}
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