For gpu generations that use LLVM we create a timestamp string
containing both the LLVM and Mesa build times, otherwise we just
use the Mesa build time.
V2: share code in r600_pipe_common as suggested by Marek.
V3: send the correct revision of V2
---
src/gallium/drivers/radeon/r600_pipe_common.c | 51 +++++++++++++++++++++++++++
src/gallium/drivers/radeon/r600_pipe_common.h | 3 ++
2 files changed, 54 insertions(+)
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c
b/src/gallium/drivers/radeon/r600_pipe_common.c
index 1781584..614eef1 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -43,6 +43,10 @@
#define HAVE_LLVM 0
#endif
+#if HAVE_LLVM
+#include <llvm-c/TargetMachine.h>
+#endif
+
#ifndef MESA_LLVM_VERSION_PATCH
#define MESA_LLVM_VERSION_PATCH 0
#endif
@@ -779,6 +783,49 @@ static const char* r600_get_chip_name(struct
r600_common_screen *rscreen)
}
}
+static void r600_disk_cache_create(struct r600_common_screen *rscreen)
+{
+ uint32_t mesa_timestamp;
+ if (disk_cache_get_function_timestamp(r600_disk_cache_create,
+ &mesa_timestamp)) {
+ char *timestamp_str;
+ int res = -1;
+#if HAVE_LLVM
+ uint32_t llvm_timestamp;
+ if
(disk_cache_get_function_timestamp(LLVMInitializeAMDGPUTargetInfo,
+ &llvm_timestamp)) {
+
+ res = asprintf(×tamp_str, "%u_%u", mesa_timestamp,
+ llvm_timestamp);
+ } else {
+#endif
+ /* We only use a Mesa only timestamp if less than SI
+ * because we must have an LLVM identifier to avoid
+ * shaders not being rebuild when the LLVM version
+ * changes.
+ */
+ if (rscreen->chip_class < SI) {
+ res = asprintf(×tamp_str, "%u",
+ mesa_timestamp);
+ }
+#if HAVE_LLVM
+ }
+#endif
+ if (res != -1) {
+ rscreen->disk_shader_cache =
+ disk_cache_create(r600_get_chip_name(rscreen),
+ timestamp_str);
+ free(timestamp_str);
+ }
+ }
+}
+
+static struct disk_cache *r600_get_disk_shader_cache(struct pipe_screen
*pscreen)
+{
+ struct r600_common_screen *rscreen = (struct
r600_common_screen*)pscreen;
+ return rscreen->disk_shader_cache;
+}
+
static const char* r600_get_name(struct pipe_screen* pscreen)
{
struct r600_common_screen *rscreen = (struct
r600_common_screen*)pscreen;
@@ -1234,6 +1281,7 @@ bool r600_common_screen_init(struct r600_common_screen
*rscreen,
rscreen->b.get_name = r600_get_name;
rscreen->b.get_vendor = r600_get_vendor;
rscreen->b.get_device_vendor = r600_get_device_vendor;
+ rscreen->b.get_disk_shader_cache = r600_get_disk_shader_cache;
rscreen->b.get_compute_param = r600_get_compute_param;
rscreen->b.get_paramf = r600_get_paramf;
rscreen->b.get_timestamp = r600_get_timestamp;
@@ -1243,6 +1291,8 @@ bool r600_common_screen_init(struct r600_common_screen
*rscreen,
rscreen->b.resource_from_user_memory = r600_buffer_from_user_memory;
rscreen->b.query_memory_info = r600_query_memory_info;
+ r600_disk_cache_create(rscreen);
+
if (rscreen->info.has_uvd) {
rscreen->b.get_video_param = rvid_get_video_param;
rscreen->b.is_video_format_supported = rvid_is_format_supported;
@@ -1324,6 +1374,7 @@ void r600_destroy_common_screen(struct r600_common_screen
*rscreen)
slab_destroy_parent(&rscreen->pool_transfers);
+ disk_cache_destroy(rscreen->disk_shader_cache);
rscreen->ws->destroy(rscreen->ws);
FREE(rscreen);
}
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h
b/src/gallium/drivers/radeon/r600_pipe_common.h
index e8dbf5d..92b9532 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -36,6 +36,7 @@
#include "radeon/radeon_winsys.h"
+#include "util/disk_cache.h"
#include "util/u_blitter.h"
#include "util/list.h"
#include "util/u_range.h"
@@ -404,6 +405,8 @@ struct r600_common_screen {
bool has_cp_dma;
bool has_streamout;
+ struct disk_cache *disk_shader_cache;
+
struct slab_parent_pool pool_transfers;
/* Texture filter settings. */
--
2.9.3
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