Cache set and get are called in similar fashion as what is happening
with disk cache. Functionality requires ARB_get_program_binary and
EGL_ANDROID_blob_cache support.
Signed-off-by: Tapani Pälli <tapani.pa...@intel.com>
---
src/mesa/Makefile.sources | 2 +
src/mesa/main/program_blob_cache.c | 141 +++++++++++++++++++++++++++++++++++++
src/mesa/main/program_blob_cache.h | 48 +++++++++++++
src/mesa/meson.build | 2 +
src/mesa/program/ir_to_mesa.cpp | 9 ++-
5 files changed, 201 insertions(+), 1 deletion(-)
create mode 100644 src/mesa/main/program_blob_cache.c
create mode 100644 src/mesa/main/program_blob_cache.h
diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources
index 53fa486364..bbcfdb425e 100644
--- a/src/mesa/Makefile.sources
+++ b/src/mesa/Makefile.sources
@@ -177,6 +177,8 @@ MAIN_FILES = \
main/polygon.h \
main/program_binary.c \
main/program_binary.h \
+ main/program_blob_cache.c \
+ main/program_blob_cache.h \
main/program_resource.c \
main/program_resource.h \
main/querymatrix.c \
diff --git a/src/mesa/main/program_blob_cache.c
b/src/mesa/main/program_blob_cache.c
new file mode 100644
index 0000000000..0b3ea1a549
--- /dev/null
+++ b/src/mesa/main/program_blob_cache.c
@@ -0,0 +1,141 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2018 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "main/errors.h"
+#include "main/mtypes.h"
+#include "main/shaderobj.h"
+#include "main/program_binary.h"
+#include "util/mesa-sha1.h"
+#include "compiler/glsl/program.h"
+
+#include "program_blob_cache.h"
+
+/* This is what Android EGL defines as the maxValueSize in egl_cache_t
+ * class implementation.
+ */
+#define MAX_BLOB_SIZE 64 * 1024
+
+static void
+generate_sha1_string(struct gl_context *ctx, struct gl_shader_program *shProg,
+ char *key)
+{
+ char *buf = create_shader_program_keystr(ctx, shProg);
+ struct mesa_sha1 sha_ctx;
+ unsigned char sha1str[20];
+
+ /* Add driver sha1 to the key string. */
+ uint8_t driver_sha1[20];
+ char driver_sha1buf[41];
+
+ ctx->Driver.GetProgramBinaryDriverSHA1(ctx, driver_sha1);
+ _mesa_sha1_format(driver_sha1buf, driver_sha1);
+ ralloc_asprintf_append(&buf, "%s", driver_sha1buf);
+
+ _mesa_sha1_init(&sha_ctx);
+ _mesa_sha1_update(&sha_ctx, buf, strlen(buf));
+ _mesa_sha1_final(&sha_ctx, sha1str);
+ _mesa_sha1_format(key, sha1str);
+
+ ralloc_free(buf);
+}
+
+void
+_mesa_blob_cache_set(struct gl_context *ctx,
+ struct gl_shader_program *shProg)
+{
+ assert(shProg->data->LinkStatus == linking_success);
+
+ /* ARB_get_program_binary support required. */
+ if (!ctx->blobCacheSet || !ctx->Driver.GetProgramBinaryDriverSHA1)
+ return;
+
+ /* Skip cache for fixed-function programs and programs that use
+ * transform feedback.
+ */
+ if (!shProg->Name || shProg->TransformFeedback.NumVarying > 0)
+ return;
+
+ GLint length;
+ _mesa_get_program_binary_length(ctx, shProg, &length);
