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/*
* gdri-cmdq-submission.c
*
* A small test of some Glamo DRI functions
*
* (c) 2009 Thomas White <taw@bitwiz.org.uk>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xmd.h>
#include <stdint.h>
#include <drm/drm.h>
#include <drm/glamo_drm.h>
#include "dri2.h"
#include "glamo-regs.h"
#define RING_LOCALS int __count = 0;
#define OUT_REG(reg, val) cmds[__count++] = (reg); cmds[__count++] = (val);
static int do_drm_authentication(Display *dpy)
{
int scrnum;
Window root;
char *driver;
char *device;
int fd;
drm_magic_t magic;
/* Get default screen, root window and default visual */
scrnum = DefaultScreen(dpy);
root = RootWindow(dpy, scrnum);
/* Get device name */
if ( !DRI2Connect(dpy, root, &driver, &device) ) {
fprintf(stderr, "DRI2Connect failed\n");
return -1;
}
/* Open DRM device */
fd = open(device, O_RDWR);
if ( fd < 0 ) {
fprintf(stderr, "Couldn't open '%s': %s\n",
device, strerror(errno));
return -1;
}
/* Get an authentication token */
if ( drmGetMagic(fd, &magic) ) {
fprintf(stderr, "drmGetMagic failed\n");
return -1;
}
/* Authenticate */
if ( DRI2Authenticate(dpy, root, magic) == False ) {
fprintf(stderr, "DRI2Authenticate failed\n");
return -1;
}
return fd;
}
int main()
{
Display *dpy;
drm_glamo_cmd_buffer_t cmdbuf;
uint16_t *cmds;
int r;
uint32_t offset = 0x000000;
RING_LOCALS;
int fd;
/* Open display */
dpy = XOpenDisplay(NULL);
if ( dpy == NULL ) {
fprintf(stderr, "Can't open display '%s'\n",
XDisplayName(NULL));
return 1;
}
fd = do_drm_authentication(dpy);
if ( fd < 0 ) {
fprintf(stderr, "Couldn't authenticate\n");
return 1;
}
cmds = malloc(2*13*2);
OUT_REG(GLAMO_REG_2D_DST_ADDRL, offset & 0xffff);
OUT_REG(GLAMO_REG_2D_DST_ADDRH, (offset >> 16) & 0x7f);
OUT_REG(GLAMO_REG_2D_DST_PITCH, (480*2) & 0x7ff);
OUT_REG(GLAMO_REG_2D_DST_HEIGHT, 640);
OUT_REG(GLAMO_REG_2D_PAT_FG, 0xABCD);
OUT_REG(GLAMO_REG_2D_COMMAND2, 0x00aa);
OUT_REG(GLAMO_REG_2D_ID1, 0);
OUT_REG(GLAMO_REG_2D_ID2, 0);
OUT_REG(GLAMO_REG_2D_DST_X, 20);
OUT_REG(GLAMO_REG_2D_DST_Y, 20);
OUT_REG(GLAMO_REG_2D_RECT_WIDTH, 100);
OUT_REG(GLAMO_REG_2D_RECT_HEIGHT, 50);
OUT_REG(GLAMO_REG_2D_COMMAND3, 0);
cmdbuf.buf = (char *)cmds;
cmdbuf.bufsz = 2*13*2;
r = drmCommandWrite(fd, DRM_GLAMO_CMDBUF, &cmdbuf, sizeof(cmdbuf));
if ( r != 0 ) {
fprintf(stderr, "DRM_GLAMO_CMDBUF failed");
return 1;
}
printf("Success!\n");
close(fd);
XCloseDisplay(dpy);
return 0;
}
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