novidia: add shader.farc xdelta/vcdiff patching

source-code/dependencies/xdelta3/testing/sizes.h

@@ -0,0 +1,126 @@
+/* xdelta3 - delta compression tools and library -*- Mode: C++ -*-
+   Copyright 2016 Joshua MacDonald
+
+   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
+
+   http://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.
+*/
+
+template <typename T, typename U>
+class SizeIterator {
+ public:
+  SizeIterator(MTRandom *rand, size_t howmany)
+    : rand_(rand),
+      count_(0),
+      fixed_(U::sizes),
+      fixed_size_(SIZEOF_ARRAY(U::sizes)),
+      howmany_(howmany) { }
+
+  T Get() {
+    if (count_ < fixed_size_) {
+      return fixed_[count_];
+    }
+    return rand_->Rand<T>() % U::max_value;
+  }
+
+  bool Done() {
+    return count_ >= fixed_size_ && count_ >= howmany_;
+  }
+
+  void Next() {
+    count_++;
+  }
+
+ private:
+  MTRandom *rand_;
+  size_t count_;
+  T* fixed_;
+  size_t fixed_size_;
+  size_t howmany_;
+};
+
+// Small sizes
+class SmallSizes {
+public:
+  static size_t sizes[];
+  static size_t max_value;
+};
+
+size_t SmallSizes::sizes[] = {
+  0, 1, 128 / 4, 3333, 
+  128 - (128 / 3),
+  128,
+  128 + (128 / 3),
+  2 * 128 - (128 / 3),
+  2 * 128,
+  2 * 128 + (128 / 3),
+};
+
+size_t SmallSizes::max_value = 128 * 3;
+
+// Large sizes
+class LargeSizes {
+public:
+  static size_t sizes[];
+  static size_t max_value;
+};
+
+size_t LargeSizes::sizes[] = {
+  1 << 20,
+  1 << 18,
+  1 << 16,
+};
+
+size_t LargeSizes::max_value = 1<<20;
+
+// Base constants
+struct BaseConstants {
+  static const size_t TEST_ROUNDS;
+};
+
+const size_t BaseConstants::TEST_ROUNDS = 10;
+
+// Regtest<> arguments
+struct SmallBlock : public BaseConstants {
+  static const xoff_t BLOCK_SIZE;
+  static const size_t WINDOW_SIZE;
+  typedef SmallSizes Sizes;
+};
+
+const xoff_t SmallBlock::BLOCK_SIZE = 1<<7;
+const size_t SmallBlock::WINDOW_SIZE = 1<<7;
+
+struct LargeBlock : public BaseConstants {
+  static const xoff_t BLOCK_SIZE;
+  static const size_t WINDOW_SIZE;
+  typedef LargeSizes Sizes;
+};
+
+const xoff_t LargeBlock::BLOCK_SIZE = (1 << 13);
+const size_t LargeBlock::WINDOW_SIZE = (1 << 13);
+
+struct MixedBlock : public BaseConstants {
+  static const xoff_t BLOCK_SIZE;
+  static const size_t WINDOW_SIZE;
+  typedef SmallSizes Sizes;
+};
+
+const xoff_t MixedBlock::BLOCK_SIZE = 1<<7;
+const size_t MixedBlock::WINDOW_SIZE = 1<<8;
+
+struct OversizeBlock : public BaseConstants {
+  static const xoff_t BLOCK_SIZE;
+  static const size_t WINDOW_SIZE;
+  typedef SmallSizes Sizes;
+};
+
+const xoff_t OversizeBlock::BLOCK_SIZE = 1<<8;
+const size_t OversizeBlock::WINDOW_SIZE = 1<<7;