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vdpau-entry.c
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vdpau-entry.c
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/*
* Copyright 2013 Rinat Ibragimov
*
* This file is part of libvdpau-va-gl
*
* libvdpau-va-gl is distributed under the terms of the LGPLv3. See COPYING for details.
*/
#define _XOPEN_SOURCE 500
#define _GNU_SOURCE
#include <ctype.h>
#include <vdpau/vdpau.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "handle-storage.h"
#include "vdpau-soft.h"
#include "vdpau-trace.h"
#include "globals.h"
#include <sys/syscall.h>
#include <unistd.h>
void
trc_hk(void *longterm_param, void *shortterm_param, int origin, int after)
{
(void)longterm_param;
(void)origin;
int before = !after;
if (global.quirks.log_call_duration) {
static __thread struct timespec start_ts = {0, 0};
if (before) {
clock_gettime(CLOCK_MONOTONIC, &start_ts);
}
if (after) {
struct timespec end_ts;
clock_gettime(CLOCK_MONOTONIC, &end_ts);
double diff = (end_ts.tv_sec - start_ts.tv_sec) +
(end_ts.tv_nsec - start_ts.tv_nsec) / 1.0e9;
printf("Duration %7.5f secs, %s, %s\n",
diff, reverse_func_id(origin), reverse_status((VdpStatus)shortterm_param));
}
}
if (before && global.quirks.log_timestamp) {
struct timespec now;
clock_gettime(CLOCK_REALTIME, &now);
printf("%d.%03d ", (int)now.tv_sec, (int)now.tv_nsec/1000000);
}
if (before && global.quirks.log_thread_id) {
printf("[%5d] ", (pid_t)syscall(__NR_gettid));
}
}
static
void
initialize_quirks(void)
{
global.quirks.buggy_XCloseDisplay = 0;
global.quirks.show_watermark = 0;
global.quirks.log_thread_id = 0;
global.quirks.log_call_duration = 0;
global.quirks.log_pq_delay = 0;
global.quirks.log_timestamp = 0;
global.quirks.avoid_va = 0;
const char *value = getenv("VDPAU_QUIRKS");
if (!value)
return;
char *value_lc = strdup(value);
if (NULL == value_lc)
return;
for (int k = 0; value_lc[k] != 0; k ++)
value_lc[k] = tolower(value_lc[k]);
// tokenize string
const char delimiter = ',';
char *item_start = value_lc;
char *ptr = item_start;
while (1) {
int last = (0 == *ptr);
if (delimiter == *ptr || 0 == *ptr) {
*ptr = 0;
if (!strcmp("xclosedisplay", item_start)) {
global.quirks.buggy_XCloseDisplay = 1;
} else
if (!strcmp("showwatermark", item_start)) {
global.quirks.show_watermark = 1;
} else
if (!strcmp("logthreadid", item_start)) {
global.quirks.log_thread_id = 1;
} else
if (!strcmp("logcallduration", item_start)) {
global.quirks.log_call_duration = 1;
} else
if (!strcmp("logpqdelay", item_start)) {
global.quirks.log_pq_delay = 1;
} else
if (!strcmp("logtimestamp", item_start)) {
global.quirks.log_timestamp = 1;
} else
if (!strcmp("avoidva", item_start)) {
global.quirks.avoid_va = 1;
}
item_start = ptr + 1;
}
ptr ++;
if (last)
break;
}
free(value_lc);
}
__attribute__((constructor))
static
void
library_constructor(void)
{
handle_initialize_storage();
// Initialize global data
pthread_mutex_init(&global.glx_ctx_stack_mutex, NULL);
initialize_quirks();
// initialize tracer
traceSetTarget(stdout);
traceSetHook(trc_hk, NULL);
traceInfo("Software VDPAU backend library initialized\n");
#ifdef NDEBUG
traceEnableTracing(0);
#else
traceEnableTracing(1);
#endif
const char *value = getenv("VDPAU_LOG");
if (value) {
// enable tracing when variable present
traceEnableTracing(1);
char *value_lc = strdup(value); // convert to lowercase
for (int k = 0; value_lc[k] != 0; k ++) value_lc[k] = tolower(value_lc[k]);
// and disable tracing when variable value equals one of the following values
if (!strcmp(value_lc, "0") ||
!strcmp(value_lc, "false") ||
!strcmp(value_lc, "off") ||
!strcmp(value_lc, "disable") ||
!strcmp(value_lc, "disabled"))
{
traceEnableTracing(0);
}
free(value_lc);
}
}
__attribute__((destructor))
static
void
library_destructor(void)
{
handle_destory_storage();
}
__attribute__ ((visibility("default")))
VdpStatus
vdp_imp_device_create_x11(Display *display, int screen, VdpDevice *device,
VdpGetProcAddress **get_proc_address)
{
return traceVdpDeviceCreateX11(display, screen, device, get_proc_address);
}