Tile Compression

cc/resources/texture_compress/texture_compress.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_RESOURCES_TEXTURE_COMPRESS_TEXTURE_COMPRESS_H_
+#define CC_RESOURCES_TEXTURE_COMPRESS_TEXTURE_COMPRESS_H_
+
+#include <stdint.h>
+
+namespace cc {
+namespace texture_compress {
+
+// Defines the texture compression function type. |src| is the raw image data
+// in BGRA format. |dst| is the destination buffer to which the compressed data
+// should be written. |width| and |height| are the texture width and height
+// measured in pixels.
+typedef void (*TextureCompressFunc)(const uint8_t* src,
+                                    uint8_t* dst,
+                                    int width,
+                                    int height);
+
+extern TextureCompressFunc CompressATC;
+extern TextureCompressFunc CompressATCIA;
+extern TextureCompressFunc CompressETC1;
+extern TextureCompressFunc CompressDXT1;
+extern TextureCompressFunc CompressDXT5;
+
+}  // namespace texture_compress
+}  // namespace cc
+
+#endif  // CC_RESOURCES_TEXTURE_COMPRESS_TEXTURE_COMPRESS_H_