1 files changed, 146 insertions, 0 deletions
diff --git a/thirdparty/etc2comp/EtcFileHeader.h b/thirdparty/etc2comp/EtcFileHeader.h
new file mode 100644
index 0000000000..55a9cb5d9d
--- /dev/null
+++ b/thirdparty/etc2comp/EtcFileHeader.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright 2015 The Etc2Comp Authors.
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include "EtcFile.h"
+#include <stdio.h>
+#include <inttypes.h>
+
+namespace Etc
+{
+
+	class Image;
+
+	class FileHeader
+	{
+	public:
+
+		virtual void Write(FILE *a_pfile) = 0;
+		File GetFile();
+		virtual ~FileHeader(void) {}
+	protected:
+
+		File *m_pfile;
+	};
+
+	// ----------------------------------------------------------------------------------------------------
+	//
+    class FileHeader_Pkm : public FileHeader
+    {
+    public:
+
+		FileHeader_Pkm(File *a_pfile);
+
+		virtual void Write(FILE *a_pfile);
+		virtual ~FileHeader_Pkm(void) {}
+	private:
+
+		typedef struct
+		{
+			char m_acMagicNumber[4];
+			char m_acVersion[2];
+			unsigned char m_ucDataType_msb;             // e.g. ETC1_RGB_NO_MIPMAPS
+			unsigned char m_ucDataType_lsb;
+			unsigned char m_ucExtendedWidth_msb;     //  padded to 4x4 blocks
+			unsigned char m_ucExtendedWidth_lsb;
+			unsigned char m_ucExtendedHeight_msb;    //  padded to 4x4 blocks
+			unsigned char m_ucExtendedHeight_lsb;
+			unsigned char m_ucOriginalWidth_msb;
+			unsigned char m_ucOriginalWidth_lsb;
+			unsigned char m_ucOriginalHeight_msb;
+			unsigned char m_ucOriginalHeight_lsb;
+		} Data;
+
+		Data m_data;
+	};
+
+	// ----------------------------------------------------------------------------------------------------
+	//
+    class FileHeader_Ktx : public FileHeader
+    {
+    public:
+
+		typedef struct
+		{
+			uint32_t	u32KeyAndValueByteSize;
+		} KeyValuePair;
+
+		typedef struct
+		{
+			uint8_t m_au8Identifier[12];
+			uint32_t m_u32Endianness;
+			uint32_t m_u32GlType;
+			uint32_t m_u32GlTypeSize;
+			uint32_t m_u32GlFormat;
+			uint32_t m_u32GlInternalFormat;
+			uint32_t m_u32GlBaseInternalFormat;
+			uint32_t m_u32PixelWidth;
+			uint32_t m_u32PixelHeight;
+			uint32_t m_u32PixelDepth;
+			uint32_t m_u32NumberOfArrayElements;
+			uint32_t m_u32NumberOfFaces;
+			uint32_t m_u32NumberOfMipmapLevels;
+			uint32_t m_u32BytesOfKeyValueData;
+		} Data;
+
+		enum class InternalFormat
+		{
+			ETC1_RGB8 = 0x8D64,
+			ETC1_ALPHA8 = ETC1_RGB8,
+			//
+			ETC2_R11 = 0x9270,
+			ETC2_SIGNED_R11 = 0x9271,
+			ETC2_RG11 = 0x9272,
+			ETC2_SIGNED_RG11 = 0x9273,
+			ETC2_RGB8 = 0x9274,
+			ETC2_SRGB8 = 0x9275,
+			ETC2_RGB8A1 = 0x9276,
+			ETC2_SRGB8_PUNCHTHROUGH_ALPHA1 = 0x9277,
+			ETC2_RGBA8 = 0x9278
+		};
+
+		enum class BaseInternalFormat
+		{
+			ETC2_R11 = 0x1903,
+			ETC2_RG11 = 0x8227,
+			ETC1_RGB8 = 0x1907,
+			ETC1_ALPHA8 = ETC1_RGB8,
+			//
+			ETC2_RGB8 = 0x1907,
+			ETC2_RGB8A1 = 0x1908,
+			ETC2_RGBA8 = 0x1908,
+		};
+
+		FileHeader_Ktx(File *a_pfile);
+
+		virtual void Write(FILE *a_pfile);
+		virtual ~FileHeader_Ktx(void) {}
+
+		void AddKeyAndValue(KeyValuePair *a_pkeyvaluepair);
+
+		Data* GetData();
+
+	private:
+
+		Data m_data;
+		KeyValuePair *m_pkeyvaluepair;
+		
+		uint32_t m_u32Images;
+		uint32_t m_u32KeyValuePairs;
+	};
+
+} // namespace Etc