Add beginnings of our scaffolding for parallel compression.

BPTCEncoder/CMakeLists.txt

@@ -153,11 +153,13 @@ SET( HEADERS
 	src/BC7CompressionMode.h
 	src/BitStream.h
 	src/RGBAEndpoints.h
+  src/ParallelStage.h
 )
 
 SET( SOURCES
 	src/BC7Compressor.cpp
 	src/RGBAEndpoints.cpp
+  src/ParallelStage.cpp
 )
 
 IF( HAS_SSE_41 ) 

BPTCEncoder/src/ParallelStage.cpp

@@ -0,0 +1,79 @@
+/* FasTC
+ * Copyright (c) 2012 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 "ParallelStage.h"
+
+/*
+ const BC7ParallelStage stage;
+ 
+ // This is the stream of data that will be used to read the block data.
+ const unsigned char *const m_InBuf;
+ 
+ // This is the destination buffer to which the block data will be written to.
+ unsigned char *const m_OutBuf;
+ 
+ // This is the array of block offsets that belong to this stage.
+ uint32 *m_Blocks;
+ 
+ // This is the total number of blocks in the given image.
+ const uint32 m_TotalNumBlocks;
+ 
+ // This is the total number of blocks in this particular stage.
+ uint32 m_NumBlocks;
+ */    
+ParallelStage::ParallelStage(BC7ParallelStage stage, const unsigned char *inbuf, unsigned char *outbuf, uint32 numBlocks) {
+
+}
+
+ParallelStage::ParallelStage(const ParallelStage &) {
+
+}
+
+ParallelStage &ParallelStage::operator=(const ParallelStage &) {
+  
+}
+  
+
+void ParallelStage::AddBlock(int blockNum) {
+  
+}

BPTCEncoder/src/ParallelStage.h

@@ -0,0 +1,80 @@
+/* FasTC
+ * Copyright (c) 2012 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 "TexCompTypes.h"
+
+enum BC7ParallelStage {
+  eParallelStage_Uniform,
+  eParallelStage_Partitioned,
+  eParallelStage_Normal,
+  
+  kNumParallelStages
+};
+
+class ParallelStage {
+ public:
+  ParallelStage(BC7ParallelStage stage, const unsigned char *inbuf, unsigned char *outbuf, uint32 numBlocks);
+  ParallelStage(const ParallelStage &);
+  ParallelStage &operator=(const ParallelStage &);
+  
+  const BC7ParallelStages stage;
+  
+  void AddBlock(int blockNum);
+  
+ private:
+  
+  // This is the stream of data that will be used to read the block data.
+  const unsigned char *const m_InBuf;
+  
+  // This is the destination buffer to which the block data will be written to.
+  unsigned char *const m_OutBuf;
+  
+  // This is the array of block offsets that belong to this stage.
+  uint32 *m_Blocks;
+  
+  // This is the total number of blocks in the given image.
+  const uint32 m_TotalNumBlocks;
+  
+  // This is the total number of blocks in this particular stage.
+  uint32 m_NumBlocks;
+};