Initial files for PVRTC encoder. Starting with a decompressor.

CMakeLists.txt

@@ -93,6 +93,7 @@ SET(CMAKE_MODULE_PATH "${FasTC_SOURCE_DIR}/CMakeModules" ${CMAKE_MODULE_PATH})
 FIND_PACKAGE(PVRTexLib)
 
 ADD_SUBDIRECTORY(BPTCEncoder)
+ADD_SUBDIRECTORY(PVRTCEncoder)
 ADD_SUBDIRECTORY(IO)
 ADD_SUBDIRECTORY(Core)
 

PVRTCEncoder/CMakeLists.txt

@@ -0,0 +1,68 @@
+# FasTC
+# Copyright (c) 2013 University of North Carolina at Chapel Hill.
+# All rights reserved.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for educational, research, and non-profit purposes, without
+# fee, and without a written agreement is hereby granted, provided that the
+# above copyright notice, this paragraph, and the following four paragraphs
+# appear in all copies.
+#
+# Permission to incorporate this software into commercial products may be
+# obtained by contacting the authors or the Office of Technology Development
+# at the University of North Carolina at Chapel Hill <otd@unc.edu>.
+#
+# This software program and documentation are copyrighted by the University of
+# North Carolina at Chapel Hill. The software program and documentation are
+# supplied "as is," without any accompanying services from the University of
+# North Carolina at Chapel Hill or the authors. The University of North
+# Carolina at Chapel Hill and the authors do not warrant that the operation of
+# the program will be uninterrupted or error-free. The end-user understands
+# that the program was developed for research purposes and is advised not to
+# rely exclusively on the program for any reason.
+#
+# IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
+# AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
+# OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
+# THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
+# AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
+# DAMAGE.
+#
+# THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
+# DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY 
+# STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
+# AN "AS IS" BASIS, AND THE UNIVERSITY  OF NORTH CAROLINA AT CHAPEL HILL AND
+# THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
+# ENHANCEMENTS, OR MODIFICATIONS.
+#
+# Please send all BUG REPORTS to <pavel@cs.unc.edu>.
+#
+# The authors may be contacted via:
+#
+# Pavel Krajcevski
+# Dept of Computer Science
+# 201 S Columbia St
+# Frederick P. Brooks, Jr. Computer Science Bldg
+# Chapel Hill, NC 27599-3175
+# USA
+# 
+# <http://gamma.cs.unc.edu/FasTC/>
+
+INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/Core/include)
+
+INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/PVRTCEncoder/include)
+INCLUDE_DIRECTORIES(${FasTC_BINARY_DIR}/PVRTCEncoder/include)
+
+SET( HEADERS
+  include/PVRTCCompressor.h
+)
+
+SET( SOURCES
+  src/Decompressor.cpp
+)
+
+ADD_LIBRARY( PVRTCEncoder
+  ${HEADERS}
+  ${SOURCES}
+)

PVRTCEncoder/include/PVRTCCompressor.h

@@ -0,0 +1,75 @@
+/* FasTC
+ * Copyright (c) 2013 University of North Carolina at Chapel Hill.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for educational, research, and non-profit purposes, without
+ * fee, and without a written agreement is hereby granted, provided that the
+ * above copyright notice, this paragraph, and the following four paragraphs
+ * appear in all copies.
+ *
+ * Permission to incorporate this software into commercial products may be
+ * obtained by contacting the authors or the Office of Technology Development
+ * at the University of North Carolina at Chapel Hill <otd@unc.edu>.
+ *
+ * This software program and documentation are copyrighted by the University of
+ * North Carolina at Chapel Hill. The software program and documentation are
+ * supplied "as is," without any accompanying services from the University of
+ * North Carolina at Chapel Hill or the authors. The University of North
+ * Carolina at Chapel Hill and the authors do not warrant that the operation of
+ * the program will be uninterrupted or error-free. The end-user understands
+ * that the program was developed for research purposes and is advised not to
+ * rely exclusively on the program for any reason.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
+ * AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
+ * OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
+ * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
+ * AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
+ * DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY 
+ * STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
+ * AN "AS IS" BASIS, AND THE UNIVERSITY  OF NORTH CAROLINA AT CHAPEL HILL AND
+ * THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
+ * ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Please send all BUG REPORTS to <pavel@cs.unc.edu>.
+ *
+ * The authors may be contacted via:
+ *
+ * Pavel Krajcevski
+ * Dept of Computer Science
+ * 201 S Columbia St
+ * Frederick P. Brooks, Jr. Computer Science Bldg
+ * Chapel Hill, NC 27599-3175
+ * USA
+ * 
+ * <http://gamma.cs.unc.edu/FasTC/>
+ */
+
+#ifndef PVRTCENCODER_INCLUDE_PVRTCCOMPRESSOR_H_
+#define PVRTCENCODER_INCLUDE_PVRTCCOMPRESSOR_H_
+
+#include "CompressionJob.h"
+
+namespace PVRTCC {
+
+  // PVRTC works by bilinearly interpolating between blocks in order to
+  // compress and decompress data. As such, the wrap mode defines how the
+  // texture behaves at the boundaries.
+  enum EWrapMode {
+    eWrapMode_Clamp,  // Block endpoints are clamped at boundaries
+    eWrapMode_Wrap,   // Block endpoints wrap around at boundaries
+  };
+
+  // Takes a stream of compressed PVRTC data and decompresses it into R8G8B8A8
+  // format. The width and height must be specified in order to properly
+  // decompress the data.
+  void Decompress(const DecompressionJob &, const EWrapMode wrapMode);
+
+}  // namespace PVRTCC
+
+#endif  // PVRTCENCODER_INCLUDE_PVRTCCOMPRESSOR_H_

PVRTCEncoder/src/Decompressor.cpp

@@ -0,0 +1,60 @@
+/* FasTC
+ * Copyright (c) 2013 University of North Carolina at Chapel Hill.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for educational, research, and non-profit purposes, without
+ * fee, and without a written agreement is hereby granted, provided that the
+ * above copyright notice, this paragraph, and the following four paragraphs
+ * appear in all copies.
+ *
+ * Permission to incorporate this software into commercial products may be
+ * obtained by contacting the authors or the Office of Technology Development
+ * at the University of North Carolina at Chapel Hill <otd@unc.edu>.
+ *
+ * This software program and documentation are copyrighted by the University of
+ * North Carolina at Chapel Hill. The software program and documentation are
+ * supplied "as is," without any accompanying services from the University of
+ * North Carolina at Chapel Hill or the authors. The University of North
+ * Carolina at Chapel Hill and the authors do not warrant that the operation of
+ * the program will be uninterrupted or error-free. The end-user understands
+ * that the program was developed for research purposes and is advised not to
+ * rely exclusively on the program for any reason.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
+ * AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
+ * OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
+ * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
+ * AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
+ * DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY 
+ * STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
+ * AN "AS IS" BASIS, AND THE UNIVERSITY  OF NORTH CAROLINA AT CHAPEL HILL AND
+ * THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
+ * ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Please send all BUG REPORTS to <pavel@cs.unc.edu>.
+ *
+ * The authors may be contacted via:
+ *
+ * Pavel Krajcevski
+ * Dept of Computer Science
+ * 201 S Columbia St
+ * Frederick P. Brooks, Jr. Computer Science Bldg
+ * Chapel Hill, NC 27599-3175
+ * USA
+ * 
+ * <http://gamma.cs.unc.edu/FasTC/>
+ */
+
+#include "PVRTCCompressor.h"
+
+namespace PVRTCC {
+
+  void Decompress(const DecompressionJob &dcj, const EWrapMode wrapMode) {
+  }
+
+}  // namespace PVRTCC