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engines/watchmaker/3d/dds_header.h

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+/* ScummVM - Graphic Adventure Engine
+*
+* ScummVM is the legal property of its developers, whose names
+* are too numerous to list here. Please refer to the COPYRIGHT
+* file distributed with this source distribution.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+ */
+
+#ifndef WATCHMAKER_DDSHEADER_H
+#define WATCHMAKER_DDSHEADER_H
+
+#include "common/ptr.h"
+#include "common/stream.h"
+
+namespace Watchmaker {
+
+enum class DxtCompression : uint32 {
+	UNCOMPRESSED = 0,
+	DXT1 = MKTAG('1', 'T', 'X', 'D'),
+	DXT2 = MKTAG('2', 'T', 'X', 'D'),
+	DXT3 = MKTAG('3', 'T', 'X', 'D'),
+	DXT4 = MKTAG('4', 'T', 'X', 'D'),
+	DXT5 = MKTAG('5', 'T', 'X', 'D')
+};
+
+class TextureData {
+public:
+	DxtCompression _compression;
+	TextureData(DxtCompression compression) : _compression(compression) {}
+	virtual ~TextureData() {}
+	virtual int getWidth() const = 0;
+	virtual int getHeight() const = 0;
+	virtual int getDataSize() const = 0;
+	virtual const void *getData() const = 0;
+};
+
+class Texture {
+public:
+	virtual ~Texture() {}
+	virtual void assignData(const TextureData &data) = 0;
+	virtual void bind() = 0;
+};
+
+
+struct DDSHeader {
+	DDSHeader() {}
+	DDSHeader(Common::SeekableReadStream &stream);
+	int height = 0;
+	int width = 0;
+	uint32 dataSize() const;
+	DxtCompression compression = DxtCompression::UNCOMPRESSED;
+};
+
+//Common::SharedPtr<Texture> loadTgaTextureData(Common::SeekableReadStream &stream);
+Common::SharedPtr<TextureData> loadDdsTexture(Common::SeekableReadStream &stream, DDSHeader &header);
+Common::SharedPtr<TextureData> loadDdsTexture(Common::SeekableReadStream &stream);
+
+} // End of namespace Watchmaker
+
+#endif // WATCHMAKER_DDSHEADER_H