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i965: Regenerate blob without gen program for shader cache 

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Jordan Justen 2018-04-09 01:39:18 -07:00
parent 3a133223b3
commit e426286e21
No known key found for this signature in database
GPG Key ID: 37F99F68CAF992EB
1 changed files with 63 additions and 1 deletions
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64
src/mesa/drivers/dri/i965/brw_program_binary.c
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@ -68,12 +68,74 @@ enum driver_cache_blob_part {
NIR_PART,
};
static bool
blob_parts_valid(void *blob, uint32_t size)
{
struct blob_reader reader;
blob_reader_init(&reader, blob, size);
do {
uint32_t part_type = blob_read_uint32(&reader);
if (reader.overrun)
return false;
if (part_type == END_PART)
return reader.current == reader.end;
switch ((enum driver_cache_blob_part)part_type) {
case GEN_PART:
case NIR_PART:
/* Read the uint32_t part-size and skip over it */
blob_skip_bytes(&reader, blob_read_uint32(&reader));
if (reader.overrun)
return false;
break;
default:
return false;
}
} while (true);
}
static bool
blob_has_part(void *blob, uint32_t size, enum driver_cache_blob_part part)
{
struct blob_reader reader;
blob_reader_init(&reader, blob, size);
assert(blob_parts_valid(blob, size));
do {
uint32_t part_type = blob_read_uint32(&reader);
if (part_type == END_PART)
return false;
if (part_type == part)
return true;
blob_skip_bytes(&reader, blob_read_uint32(&reader));
} while (true);
}
static bool
driver_blob_is_ready(void *blob, uint32_t size, bool with_gen_program)
{
if (!blob) {
return false;
} else if (!blob_parts_valid(blob, size)) {
unreachable("Driver blob format is bad!");
return false;
} else if (blob_has_part(blob, size, GEN_PART) == with_gen_program) {
return true;
} else {
return false;
}
}
void
brw_program_serialize_nir(struct gl_context *ctx, struct gl_program *prog)
{
if (prog->driver_cache_blob)
if (driver_blob_is_ready(prog->driver_cache_blob,
prog->driver_cache_blob_size, false))
return;
if (prog->driver_cache_blob)
ralloc_free(prog->driver_cache_blob);
struct blob writer;
blob_init(&writer);
blob_write_uint32(&writer, NIR_PART);