Initial version of astc-codec for open source release

Contains an implementation of an ASTC decoder that is able to pass the
dEQP ASTC LDR tests.

astc-codec has no external dependencies for the main library, only for
test code, and is licensed under the Apache license.

Components:

include/ - Public API that can decode ASTC LDR data into a RGBA UNORM8
buffer.

src/base/ - Base library with common functionality not directly related
to ASTC decoding.  Contains a uint128 implementation, BitStream for
reading/writing bits with a primitive (or uint128 type), Optional
implementation (to not take a dependency on C++17), and more.

src/decoder/ - Internal implementation of the ASTC decoder.

src/base/test/, src/decoder/test/ - Unit tests (and a fuzzing test) for
the astc decoder.

src/decoder/testdata/ - Sample ASTC images and golden image results for
testing.

src/decoder/tools/ - A tool to inspect contents of an ASTC file.

third_party/ - Third party libraries, only used for tests.

Change-Id: Ia98e5a7dc847daa3d3a48c5e62d94b8fb1cb98bd

1 files changed, 45 insertions, 0 deletions

diff --git a/src/base/BUILD.bazel b/src/base/BUILD.bazel
new file mode 100644
index 0000000..9d8b9a0
--- /dev/null
+++ b/src/base/BUILD.bazel
@@ -0,0 +1,45 @@
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+cc_library(
+    name = "base",
+    hdrs = [
+        "bit_stream.h",
+        "bottom_n.h",
+        "math_utils.h",
+        "optional.h",
+        "string_utils.h",
+        "type_traits.h",
+        "uint128.h",
+    ],
+    visibility = ["//src/decoder:__pkg__"],
+)
+
+cc_test(
+    name = "base_test",
+    srcs = [
+        "test/bit_stream_test.cpp",
+        "test/bottom_n_test.cpp",
+        "test/math_utils_test.cpp",
+        "test/optional_test.cpp",
+        "test/string_utils_test.cpp",
+        "test/type_traits_test.cpp",
+        "test/uint128_test.cpp",
+    ],
+    deps = [
+        "@gtest//:gtest_main",
+        ":base",
+    ],
+)
+