static void *
vmw_swc_reserve(struct svga_winsys_context *swc,
uint32_t nr_bytes, uint32_t nr_relocs )
{
struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
#ifdef DEBUG
/* Check if somebody forgot to check the previous failure */
if(vswc->must_flush) {
debug_printf("Forgot to flush:\n");
debug_backtrace_dump(vswc->must_flush_stack, VMW_MUST_FLUSH_STACK);
assert(!vswc->must_flush);
}
debug_flush_might_flush(vswc->fctx);
#endif
assert(nr_bytes <= vswc->command.size);
if(nr_bytes > vswc->command.size)
return NULL;
if(vswc->preemptive_flush ||
vswc->command.used + nr_bytes > vswc->command.size ||
vswc->surface.used + nr_relocs > vswc->surface.size ||
vswc->shader.used + nr_relocs > vswc->shader.size ||
vswc->region.used + nr_relocs > vswc->region.size) {
#ifdef DEBUG
vswc->must_flush = TRUE;
debug_backtrace_capture(vswc->must_flush_stack, 1,
VMW_MUST_FLUSH_STACK);
#endif
return NULL;
}
assert(vswc->command.used + nr_bytes <= vswc->command.size);
assert(vswc->surface.used + nr_relocs <= vswc->surface.size);
assert(vswc->shader.used + nr_relocs <= vswc->shader.size);
assert(vswc->region.used + nr_relocs <= vswc->region.size);
vswc->command.reserved = nr_bytes;
vswc->surface.reserved = nr_relocs;
vswc->surface.staged = 0;
vswc->shader.reserved = nr_relocs;
vswc->shader.staged = 0;
vswc->region.reserved = nr_relocs;
vswc->region.staged = 0;
return vswc->command.buffer + vswc->command.used;
}
static void *
pb_debug_buffer_map(struct pb_buffer *_buf,
unsigned flags, void *flush_ctx)
{
struct pb_debug_buffer *buf = pb_debug_buffer(_buf);
void *map;
pb_debug_buffer_check(buf);
map = pb_map(buf->buffer, flags, flush_ctx);
if (!map)
return NULL;
mtx_lock(&buf->mutex);
++buf->map_count;
debug_backtrace_capture(buf->map_backtrace, 1, PB_DEBUG_MAP_BACKTRACE);
mtx_unlock(&buf->mutex);
return (uint8_t *)map + buf->underflow_size;
}
void *
debug_malloc(const char *file, unsigned line, const char *function,
size_t size)
{
struct debug_memory_header *hdr;
struct debug_memory_footer *ftr;
hdr = os_malloc(sizeof(*hdr) + size + sizeof(*ftr));
if(!hdr) {
debug_printf("%s:%u:%s: out of memory when trying to allocate %lu bytes\n",
file, line, function,
(long unsigned)size);
return NULL;
}
hdr->no = last_no++;
hdr->file = file;
hdr->line = line;
hdr->function = function;
hdr->size = size;
hdr->magic = DEBUG_MEMORY_MAGIC;
hdr->tag = 0;
#if DEBUG_FREED_MEMORY
hdr->freed = FALSE;
#endif
#if DEBUG_MEMORY_STACK
debug_backtrace_capture(hdr->backtrace, 0, DEBUG_MEMORY_STACK);
#endif
ftr = footer_from_header(hdr);
ftr->magic = DEBUG_MEMORY_MAGIC;
pipe_mutex_lock(list_mutex);
LIST_ADDTAIL(&hdr->head, &list);
pipe_mutex_unlock(list_mutex);
return data_from_header(hdr);
}
/**
* Log a reference count change to the log file (if enabled).
* This is called via the pipe_reference() and debug_reference() functions,
* basically whenever a reference count is initialized or changed.
*
* \param p the refcount being changed (the value is not changed here)
* \param get_desc a function which will be called to print an object's
* name/pointer into a string buffer during logging
* \param change the reference count change which must be +/-1 or 0 when
* creating the object and initializing the refcount.
*/
void
debug_reference_slowpath(const struct pipe_reference *p,
debug_reference_descriptor get_desc, int change)
{
assert(change >= -1);
assert(change <= 1);
if (debug_refcnt_state < 0)
return;
if (!debug_refcnt_state) {
const char *filename = debug_get_option("GALLIUM_REFCNT_LOG", NULL);
if (filename && filename[0])
stream = fopen(filename, "wt");
if (stream)
debug_refcnt_state = 1;
else
debug_refcnt_state = -1;
}
if (debug_refcnt_state > 0) {
struct debug_stack_frame frames[STACK_LEN];
const char *symbols[STACK_LEN];
char buf[1024];
unsigned i;
unsigned refcnt = p->count;
unsigned serial;
boolean existing = debug_serial((void *) p, &serial);
debug_backtrace_capture(frames, 1, STACK_LEN);
for (i = 0; i < STACK_LEN; ++i) {
if (frames[i].function)
symbols[i] = debug_symbol_name_cached(frames[i].function);
else
symbols[i] = 0;
}
get_desc(buf, p);
if (!existing) {
fprintf(stream, "<%s> %p %u Create\n", buf, (void *) p, serial);
dump_stack(symbols);
/* this is here to provide a gradual change even if we don't see
* the initialization
*/
for (i = 1; i <= refcnt - change; ++i) {
fprintf(stream, "<%s> %p %u AddRef %u\n", buf, (void *) p,
serial, i);
dump_stack(symbols);
}
}
if (change) {
fprintf(stream, "<%s> %p %u %s %u\n", buf, (void *) p, serial,
change > 0 ? "AddRef" : "Release", refcnt);
dump_stack(symbols);
}
if (!refcnt) {
debug_serial_delete((void *) p);
fprintf(stream, "<%s> %p %u Destroy\n", buf, (void *) p, serial);
dump_stack(symbols);
}
fflush(stream);
}
}
static struct pb_buffer *
pb_debug_manager_create_buffer(struct pb_manager *_mgr,
pb_size size,
const struct pb_desc *desc)
{
struct pb_debug_manager *mgr = pb_debug_manager(_mgr);
struct pb_debug_buffer *buf;
struct pb_desc real_desc;
pb_size real_size;
assert(size);
assert(desc->alignment);
buf = CALLOC_STRUCT(pb_debug_buffer);
if(!buf)
return NULL;
real_size = mgr->underflow_size + size + mgr->overflow_size;
real_desc = *desc;
real_desc.usage |= PIPE_BUFFER_USAGE_CPU_WRITE;
real_desc.usage |= PIPE_BUFFER_USAGE_CPU_READ;
buf->buffer = mgr->provider->create_buffer(mgr->provider,
real_size,
&real_desc);
if(!buf->buffer) {
FREE(buf);
#if 0
pipe_mutex_lock(mgr->mutex);
debug_printf("%s: failed to create buffer\n", __FUNCTION__);
if(!LIST_IS_EMPTY(&mgr->list))
pb_debug_manager_dump(mgr);
pipe_mutex_unlock(mgr->mutex);
#endif
return NULL;
}
assert(pipe_is_referenced(&buf->buffer->base.reference));
assert(pb_check_alignment(real_desc.alignment, buf->buffer->base.alignment));
assert(pb_check_usage(real_desc.usage, buf->buffer->base.usage));
assert(buf->buffer->base.size >= real_size);
pipe_reference_init(&buf->base.base.reference, 1);
buf->base.base.alignment = desc->alignment;
buf->base.base.usage = desc->usage;
buf->base.base.size = size;
buf->base.vtbl = &pb_debug_buffer_vtbl;
buf->mgr = mgr;
buf->underflow_size = mgr->underflow_size;
buf->overflow_size = buf->buffer->base.size - buf->underflow_size - size;
debug_backtrace_capture(buf->create_backtrace, 1, PB_DEBUG_CREATE_BACKTRACE);
pb_debug_buffer_fill(buf);
pipe_mutex_init(buf->mutex);
pipe_mutex_lock(mgr->mutex);
LIST_ADDTAIL(&buf->head, &mgr->list);
pipe_mutex_unlock(mgr->mutex);
return &buf->base;
}