Merge 41b5945172
into a131e4c6b0
This commit is contained in:
commit
8d140dceef
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@ -5,6 +5,15 @@ ENABLE_TESTING()
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SET(NV_CMAKE_DIR "${NV_SOURCE_DIR}/cmake")
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SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${NV_CMAKE_DIR}")
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OPTION(SQUISH_FULL_LIBRARY "Makes the whole squish library compiled, instead of just what's needed in NVTT. Please be aware that this build path is not officially maintained." OFF)
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MARK_AS_ADVANCED(SQUISH_FULL_LIBRARY)
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OPTION(INSTALL_SQUISH "Install the (internal) squish library alongside NVTT binaries." OFF)
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MARK_AS_ADVANCED(INSTALL_SQUISH)
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OPTION(INSTALL_BC6H "Install the (internal) BC6H library alongside NVTT binaries." OFF)
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MARK_AS_ADVANCED(INSTALL_BC6H)
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OPTION(INSTALL_BC7 "Install the (internal) BC7 library alongside NVTT binaries." OFF)
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MARK_AS_ADVANCED(INSTALL_BC7)
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# GCC check (needs -std:c++11 flag)
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#if(CMAKE_COMPILER_IS_GNUCC)
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# ADD_DEFINITIONS("-std=c++11")
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@ -21,3 +21,10 @@ IF(NOT WIN32)
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SET_TARGET_PROPERTIES(bc6h PROPERTIES COMPILE_FLAGS -fPIC)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDIF(NOT WIN32)
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IF(INSTALL_BC6H)
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INSTALL(TARGETS bc6h
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib/static)
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ENDIF(INSTALL_BC6H)
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@ -31,3 +31,10 @@ IF(NOT WIN32)
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SET_TARGET_PROPERTIES(bc7 PROPERTIES COMPILE_FLAGS -fPIC)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDIF(NOT WIN32)
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IF(INSTALL_BC7)
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INSTALL(TARGETS bc7
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib/static)
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ENDIF(INSTALL_BC7)
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@ -19,6 +19,7 @@
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#include "nvcore/StrLib.h"
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#include "nvcore/StdStream.h"
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#include "nvcore/TextWriter.h"
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#include <cstdint>
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// Extern
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#if defined(NV_HAVE_FREEIMAGE)
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@ -20,6 +20,23 @@ SET(SQUISH_SRCS
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simd_sse.h
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simd_ve.h)
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# Additionnal squish source files which are not included in NVTT by default
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IF(SQUISH_FULL_LIBRARY)
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SET(SQUISH_SRCS ${SQUISH_SRCS}
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alpha.h
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alpha.cpp
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clusterfit.h
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clusterfit.cpp
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rangefit.h
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rangefit.cpp
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singlechannelfit.h
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singlechannelfit.cpp
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singlecolourfit.h
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singlecolourfit.cpp
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squish.cpp
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)
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ENDIF(SQUISH_FULL_LIBRARY)
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ADD_LIBRARY(squish STATIC ${SQUISH_SRCS})
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IF(NOT WIN32)
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@ -33,3 +50,9 @@ IF(NOT WIN32)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
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ENDIF(NOT WIN32)
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IF(INSTALL_SQUISH)
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INSTALL(TARGETS squish
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib/static)
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ENDIF(INSTALL_SQUISH)
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@ -26,7 +26,7 @@
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#include "alpha.h"
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#include <algorithm>
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namespace squish {
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namespace nvsquish {
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static int FloatToInt( float a, int limit )
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{
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@ -323,4 +323,4 @@ void DecompressAlphaDxt5( u8* rgba, void const* block )
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rgba[4*i + 3] = codes[indices[i]];
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}
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} // namespace squish
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} // namespace nvsquish
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@ -28,7 +28,7 @@
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#include "squish.h"
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namespace squish {
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namespace nvsquish {
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void CompressAlphaDxt3( u8 const* rgba, void* block );
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void CompressAlphaDxt5( u8 const* rgba, void* block );
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@ -36,6 +36,6 @@ void CompressAlphaDxt5( u8 const* rgba, void* block );
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void DecompressAlphaDxt3( u8* rgba, void const* block );
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void DecompressAlphaDxt5( u8* rgba, void const* block );
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} // namespace squish
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} // namespace nvsquish
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#endif // ndef SQUISH_ALPHA_H
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@ -78,6 +78,6 @@ private:
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int m_order[16];
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};
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} // namespace squish
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} // namespace nvsquish
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#endif // ndef SQUISH_CLUSTERFIT_H
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@ -53,7 +53,7 @@ static int FloatTo565( Vec3::Arg colour )
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return ( r << 11 ) | ( g << 5 ) | b;
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}
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static void WriteColourBlock( int a, int b, u8* indices, void* block )
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void WriteColourBlock( int a, int b, u8* indices, void* block )
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{
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// get the block as bytes
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u8* bytes = ( u8* )block;
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@ -31,6 +31,7 @@
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namespace nvsquish {
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void WriteColourBlock(int a, int b, u8* indices, void* block);
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void WriteColourBlock3( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block );
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void WriteColourBlock4( Vec3::Arg start, Vec3::Arg end, u8 const* indices, void* block );
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//void WriteColourBlock3( Vec3::Arg start, Vec3::Arg end, uint indices, void* block );
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@ -28,11 +28,12 @@
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#include "colourblock.h"
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#include <cfloat>
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namespace squish {
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namespace nvsquish {
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RangeFit::RangeFit( ColourSet const* colours, int flags )
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: ColourFit( colours, flags )
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{
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SetColourSet(colours, flags);
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// initialise the metric
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bool perceptual = ( ( m_flags & kColourMetricPerceptual ) != 0 );
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if( perceptual )
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@ -49,7 +50,7 @@ RangeFit::RangeFit( ColourSet const* colours, int flags )
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float const* weights = m_colours->GetWeights();
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// get the covariance matrix
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Sym3x3 covariance = ComputeWeightedCovariance( count, values, weights );
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Sym3x3 covariance = ComputeWeightedCovariance( count, values, weights, Vec3(1,1,1) );
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// compute the principle component
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Vec3 principle = ComputePrincipleComponent( covariance );
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@ -199,4 +200,4 @@ void RangeFit::Compress4( void* block )
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}
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}
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} // namespace squish
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} // namespace nvsquish
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@ -30,7 +30,7 @@
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#include "colourfit.h"
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#include "maths.h"
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namespace squish {
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namespace nvsquish {
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class ColourSet;
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@ -49,6 +49,6 @@ private:
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float m_besterror;
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};
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} // squish
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} // namespace nvsquish
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#endif // ndef SQUISH_RANGEFIT_H
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@ -29,11 +29,12 @@
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#include "colourblock.h"
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#include <cfloat>
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namespace squish {
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namespace nvsquish {
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SingleChannelFit::SingleChannelFit( ColourSet const* colours, int const flags )
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: ColourFit( colours, flags )
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{
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SetColourSet(colours, flags);
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// cache some values
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int const count = m_colours->GetCount();
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Vec3 const* values = m_colours->GetPoints();
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@ -42,7 +43,7 @@ SingleChannelFit::SingleChannelFit( ColourSet const* colours, int const flags )
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m_g_min = 63;
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m_g_max = 0;
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for(uint i = 0; i < count; i++) {
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for(int i = 0; i < count; i++) {
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int grey = int(values[i].Y() * 255.0f); // @@ rounding?
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grey = std::min(grey, 255); // clamp to [0, 1)
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}
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} // namespace squish
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} // namespace nvsquish
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@ -31,7 +31,7 @@
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#include "maths.h"
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#include "colourfit.h"
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namespace squish {
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namespace nvsquish {
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class SingleChannelFit : public ColourFit
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{
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@ -48,6 +48,6 @@ private:
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int m_g_max;
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};
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} // namespace squish
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} // namespace nvsquish
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#endif // ndef SQUISH_SINGLECHANNELFIT_H
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@ -27,7 +27,7 @@
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#include "colourset.h"
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#include "colourblock.h"
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namespace squish {
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namespace nvsquish {
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struct SourceBlock
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{
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}
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SingleColourFit::SingleColourFit( ColourSet const* colours, int flags )
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: ColourFit( colours, flags )
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{
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SetColourSet(colours, flags);
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// grab the single colour
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Vec3 const* values = m_colours->GetPoints();
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m_colour[0] = ( u8 )FloatToInt( 255.0f*values->X(), 255 );
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@ -169,4 +170,4 @@ void SingleColourFit::ComputeEndPoints( int count, SingleColourLookup const* con
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}
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}
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} // namespace squish
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} // namespace nvsquish
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@ -29,7 +29,7 @@
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#include <squish.h>
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#include "colourfit.h"
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namespace squish {
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namespace nvsquish {
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class ColourSet;
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struct SingleColourLookup;
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@ -53,6 +53,6 @@ private:
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int m_besterror;
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};
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} // namespace squish
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} // namespace nvsquish
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#endif // ndef SQUISH_SINGLECOLOURFIT_H
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@ -32,7 +32,7 @@
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#include "alpha.h"
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#include "singlecolourfit.h"
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namespace squish {
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namespace nvsquish {
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static int FixFlags( int flags )
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{
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@ -85,7 +85,8 @@ void Compress( u8 const* rgba, void* block, int flags )
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else
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{
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// default to a cluster fit
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ClusterFit fit( &colours, flags );
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ClusterFit fit;
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fit.SetColourSet(&colours, flags);
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fit.Compress( colourBlock );
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}
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@ -222,4 +223,4 @@ void DecompressImage( u8* rgba, int width, int height, void const* blocks, int f
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}
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}
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} // namespace squish
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} // namespace nvsquish
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