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stb_image_resize2.h 2.00

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This commit is contained in:
Sean Barrett 2023-10-09 17:23:04 -07:00
parent 5736b15f7e
commit c4bbb6e75f
14 changed files with 15329 additions and 15 deletions
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4
README.md
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@ -25,7 +25,7 @@ library | lastest version | category | LoC | description
**[stb_image.h](stb_image.h)** | 2.28 | graphics | 7987 | image loading/decoding from file/memory: JPG, PNG, TGA, BMP, PSD, GIF, HDR, PIC
**[stb_truetype.h](stb_truetype.h)** | 1.26 | graphics | 5077 | parse, decode, and rasterize characters from truetype fonts
**[stb_image_write.h](stb_image_write.h)** | 1.16 | graphics | 1724 | image writing to disk: PNG, TGA, BMP
**[stb_image_resize.h](stb_image_resize.h)** | 0.97 | graphics | 2634 | resize images larger/smaller with good quality
**[stb_image_resize2.h](stb_image_resize2.h)** | 2.00 | graphics | 10303 | resize images larger/smaller with good quality
**[stb_rect_pack.h](stb_rect_pack.h)** | 1.01 | graphics | 623 | simple 2D rectangle packer with decent quality
**[stb_perlin.h](stb_perlin.h)** | 0.5 | graphics | 428 | perlin's revised simplex noise w/ different seeds
**[stb_ds.h](stb_ds.h)** | 0.67 | utility | 1895 | typesafe dynamic array and hash tables for C, will compile in C++
@ -43,7 +43,7 @@ library | lastest version | category | LoC | description
**[stb_include.h](stb_include.h)** | 0.02 | misc | 295 | implement recursive #include support, particularly for GLSL
Total libraries: 21
Total lines of C code: 43117
Total lines of C code: 50786
FAQ

0
stb_image_resize.h → deprecated/stb_image_resize.h
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10303
stb_image_resize2.h Normal file
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stb_image_resize_test/dotimings.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _MSC_VER
#define stop() __debugbreak()
#include <windows.h>
#define int64 __int64
#pragma warning(disable:4127)
#define get_milliseconds GetTickCount
#else
#define stop() __builtin_trap()
#define int64 long long
typedef unsigned int U32;
typedef unsigned long long U64;
#include <time.h>
static int get_milliseconds()
{
struct timespec ts;
clock_gettime( CLOCK_MONOTONIC, &ts );
return (U32) ( ( ((U64)(U32)ts.tv_sec) * 1000LL ) + (U64)(((U32)ts.tv_nsec+500000)/1000000) );
}
#endif
#if defined(TIME_SIMD)
// default for most platforms
#elif defined(TIME_SCALAR)
#define STBIR_NO_SIMD
#else
#error You must define TIME_SIMD or TIME_SCALAR when compiling this file.
#endif
#define STBIR_PROFILE
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#define STBIR__V_FIRST_INFO_BUFFER v_info
#include "stb_image_resize2.h" // new one!
#if defined(TIME_SIMD) && !defined(STBIR_SIMD)
#error Timing SIMD, but scalar was ON!
#endif
#if defined(TIME_SCALAR) && defined(STBIR_SIMD)
#error Timing scalar, but SIMD was ON!
#endif
#define HEADER 32
static int file_write( const char *filename, void * buffer, size_t size )
{
FILE * f = fopen( filename, "wb" );
if ( f == 0 ) return 0;
if ( fwrite( buffer, 1, size, f) != size ) return 0;
fclose(f);
return 1;
}
int64 nresize( void * o, int ox, int oy, int op, void * i, int ix, int iy, int ip, int buf, int type, int edg, int flt )
{
STBIR_RESIZE resize;
int t;
int64 b;
stbir_resize_init( &resize, i, ix, iy, ip, o, ox, oy, op, buf, type );
stbir_set_edgemodes( &resize, edg, edg );
stbir_set_filters( &resize, flt, flt );
stbir_build_samplers_with_splits( &resize, 1 );
b = 0x7fffffffffffffffULL;
for( t = 0 ; t < 16 ; t++ )
{
STBIR_PROFILE_INFO profile;
int64 v;
if(!stbir_resize_extended( &resize ) )
stop();
stbir_resize_extended_profile_info( &profile, &resize );
v = profile.clocks[1]+profile.clocks[2];
if ( v < b )
{
b = v;
t = 0;
}
}
stbir_free_samplers( &resize );
return b;
}
#define INSIZES 5
#define TYPESCOUNT 5
#define NUM 64
static const int sizes[INSIZES]={63,126,252,520,772};
static const int types[TYPESCOUNT]={STBIR_1CHANNEL,STBIR_2CHANNEL,STBIR_RGB,STBIR_4CHANNEL,STBIR_RGBA};
static const int effective[TYPESCOUNT]={1,2,3,4,7};
int main( int argc, char ** argv )
{
unsigned char * input;
unsigned char * output;
int dimensionx, dimensiony;
int scalex, scaley;
int totalms;
int timing_count;
int ir;
int * file;
int * ts;
int64 totalcycles;
if ( argc != 6 )
{
printf("command: dotimings x_samps y_samps x_scale y_scale outfilename\n");
exit(1);
}
input = malloc( 4*1200*1200 );
memset( input, 0x80, 4*1200*1200 );
output = malloc( 4*10000*10000ULL );
dimensionx = atoi( argv[1] );
dimensiony = atoi( argv[2] );
scalex = atoi( argv[3] );
scaley = atoi( argv[4] );
timing_count = dimensionx * dimensiony * INSIZES * TYPESCOUNT;
file = malloc( sizeof(int) * ( 2 * timing_count + HEADER ) );
ts = file + HEADER;
totalms = get_milliseconds();
totalcycles = STBIR_PROFILE_FUNC();
for( ir = 0 ; ir < INSIZES ; ir++ )
{
int ix, iy, ty;
ix = iy = sizes[ir];
for( ty = 0 ; ty < TYPESCOUNT ; ty++ )
{
int h, hh;
h = 1;
for( hh = 0 ; hh < dimensiony; hh++ )
{
int ww, w = 1;
for( ww = 0 ; ww < dimensionx; ww++ )
{
int64 VF, HF;
int good;
v_info.control_v_first = 2; // vertical first
VF = nresize( output, w, h, (w*4*1)&~3, input, ix, iy, ix*4*1, types[ty], STBIR_TYPE_UINT8, STBIR_EDGE_CLAMP, STBIR_FILTER_MITCHELL );
v_info.control_v_first = 1; // horizonal first
HF = nresize( output, w, h, (w*4*1)&~3, input, ix, iy, ix*4*1, types[ty], STBIR_TYPE_UINT8, STBIR_EDGE_CLAMP, STBIR_FILTER_MITCHELL );
good = ( ((HF<=VF) && (!v_info.v_first)) || ((VF<=HF) && (v_info.v_first)));
// printf("\r%d,%d, %d,%d, %d, %I64d,%I64d, // Good: %c(%c-%d) CompEst: %.1f %.1f\n", ix, iy, w, h, ty, VF, HF, good?'y':'n', v_info.v_first?'v':'h', v_info.v_resize_classification, v_info.v_cost,v_info.h_cost );
ts[0] = (int)VF;
ts[1] = (int)HF;
ts += 2;
w += scalex;
}
printf(".");
h += scaley;
}
}
}
totalms = get_milliseconds() - totalms;
totalcycles = STBIR_PROFILE_FUNC() - totalcycles;
printf("\n");
file[0] = 'VFT1';
#if defined(_x86_64) || defined( __x86_64__ ) || defined( _M_X64 ) || defined(__x86_64) || defined(__SSE2__) || defined( _M_IX86_FP ) || defined(__i386) || defined( __i386__ ) || defined( _M_IX86 ) || defined( _X86_ )
file[1] = 1; // x64
#elif defined( _M_AMD64 ) || defined( __aarch64__ ) || defined( __arm64__ ) || defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(__arm__) || defined( _M_ARM )
file[1] = 2; // arm
#else
file[1] = 99; // who knows???
#endif
#ifdef STBIR_SIMD8
file[2] = 2; // simd-8
#elif defined( STBIR_SIMD )
file[2] = 1; // simd-4
#else
file[2] = 0; // nosimd
#endif
file[3] = dimensionx; // dimx
file[4] = dimensiony; // dimy
file[5] = TYPESCOUNT; // channel types
file[ 6] = types[0]; file[7] = types[1]; file[8] = types[2]; file[9] = types[3]; file[10] = types[4]; // buffer_type
file[11] = effective[0]; file[12] = effective[1]; file[13] = effective[2]; file[14] = effective[3]; file[15] = effective[4]; // effective channels
file[16] = INSIZES; // resizes
file[17] = sizes[0]; file[18] = sizes[0]; // input sizes (w x h)
file[19] = sizes[1]; file[20] = sizes[1];
file[21] = sizes[2]; file[22] = sizes[2];
file[23] = sizes[3]; file[24] = sizes[3];
file[25] = sizes[4]; file[26] = sizes[4];
file[27] = scalex; file[28] = scaley; // scale the dimx and dimy amount ( for(i=0;i<dimx) outputx = 1 + i*scalex; )
file[29] = totalms;
((int64*)(file+30))[0] = totalcycles;
if ( !file_write( argv[5], file, sizeof(int) * ( 2 * timing_count + HEADER ) ) )
printf( "Error writing file: %s\n", argv[5] );
else
printf( "Successfully wrote timing file: %s\n", argv[5] );
return 0;
}

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stb_image_resize_test/old_image_resize.h Normal file
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stb_image_resize_test/oldir.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#ifdef _MSC_VER
#define stop() __debugbreak()
#else
#define stop() __builtin_trap()
#endif
//#define HEAVYTM
#include "tm.h"
#define STBIR_SATURATE_INT
#define STB_IMAGE_RESIZE_STATIC
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "old_image_resize.h"
static int types[4] = { STBIR_TYPE_UINT8, STBIR_TYPE_UINT8, STBIR_TYPE_UINT16, STBIR_TYPE_FLOAT };
static int edges[4] = { STBIR_EDGE_CLAMP, STBIR_EDGE_REFLECT, STBIR_EDGE_ZERO, STBIR_EDGE_WRAP };
static int flts[5] = { STBIR_FILTER_BOX, STBIR_FILTER_TRIANGLE, STBIR_FILTER_CUBICBSPLINE, STBIR_FILTER_CATMULLROM, STBIR_FILTER_MITCHELL };
static int channels[20] = { 1, 2, 3, 4, 4,4, 2,2, 4,4, 2,2, 4,4, 2,2, 4,4, 2,2 };
static int alphapos[20] = { -1, -1, -1, -1, 3,0, 1,0, 3,0, 1,0, 3,0, 1,0, 3,0, 1,0 };
void oresize( void * o, int ox, int oy, int op, void * i, int ix, int iy, int ip, int buf, int type, int edg, int flt )
{
int t = types[type];
int ic = channels[buf];
int alpha = alphapos[buf];
int e = edges[edg];
int f = flts[flt];
int space = ( type == 1 ) ? STBIR_COLORSPACE_SRGB : 0;
int flags = ( buf >= 16 ) ? STBIR_FLAG_ALPHA_PREMULTIPLIED : ( ( buf >= 12 ) ? STBIR_FLAG_ALPHA_OUT_PREMULTIPLIED : ( ( buf >= 8 ) ? (STBIR_FLAG_ALPHA_PREMULTIPLIED|STBIR_FLAG_ALPHA_OUT_PREMULTIPLIED) : 0 ) );
stbir_uint64 start;
ENTER( "Resize (old)" );
start = tmGetAccumulationStart( tm_mask );
if(!stbir_resize( i, ix, iy, ip, o, ox, oy, op, t, ic, alpha, flags, e, e, f, f, space, 0 ) )
stop();
#ifdef STBIR_PROFILE
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.setup, "Setup (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.filters, "Filters (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.looping, "Looping (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.vertical, "Vertical (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.horizontal, "Horizontal (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.decode, "Scanline input (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.encode, "Scanline output (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.alpha, "Alpha weighting (old)" );
tmEmitAccumulationZone( 0, 0, (tm_uint64 *)&start, 0, oldprofile.named.unalpha, "Alpha unweighting (old)" );
#endif
LEAVE();
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//#define HEAVYTM
#include "tm.h"
#ifdef RADUSETM3
tm_api * g_tm_api;
//#define PROFILE_MODE
#endif
#include <math.h>
#ifdef _MSC_VER
#define stop() __debugbreak()
#include <windows.h>
#define int64 __int64
#define uint64 unsigned __int64
#else
#define stop() __builtin_trap()
#define int64 long long
#define uint64 unsigned long long
#endif
#ifdef _MSC_VER
#pragma warning(disable:4127)
#endif
//#define NOCOMP
//#define PROFILE_NEW_ONLY
//#define PROFILE_MODE
#if defined(_x86_64) || defined( __x86_64__ ) || defined( _M_X64 ) || defined(__x86_64) || defined(__SSE2__) || defined(STBIR_SSE) || defined( _M_IX86_FP ) || defined(__i386) || defined( __i386__ ) || defined( _M_IX86 ) || defined( _X86_ )
#ifdef _MSC_VER
uint64 __rdtsc();
#define __cycles() __rdtsc()
#else // non msvc
static inline uint64 __cycles()
{
unsigned int lo, hi;
asm volatile ("rdtsc" : "=a" (lo), "=d" (hi) );
return ( ( (uint64) hi ) << 32 ) | ( (uint64) lo );
}
#endif // msvc
#elif defined( _M_ARM64 ) || defined( __aarch64__ ) || defined( __arm64__ ) || defined(__ARM_NEON__)
#ifdef _MSC_VER
#define __cycles() _ReadStatusReg(ARM64_CNTVCT)
#else
static inline uint64 __cycles()
{
uint64 tsc;
asm volatile("mrs %0, cntvct_el0" : "=r" (tsc));
return tsc;
}
#endif
#else // x64, arm
#error Unknown platform for timing.
#endif //x64 and
#ifdef PROFILE_MODE
#define STBIR_ASSERT(cond)
#endif
#ifdef _DEBUG
#undef STBIR_ASSERT
#define STBIR_ASSERT(cond) { if (!(cond)) stop(); }
#endif
#define SHRINKBYW 2
#define ZOOMBYW 2
#define SHRINKBYH 2
#define ZOOMBYH 2
int mem_count = 0;
#ifdef TEST_WITH_VALLOC
#define STBIR__SEPARATE_ALLOCATIONS
#if TEST_WITH_LIMIT_AT_FRONT
void * wmalloc(SIZE_T size)
{
static unsigned int pagesize=0;
void* p;
SIZE_T s;
// get the page size, if we haven't yet
if (pagesize==0)
{
SYSTEM_INFO si;
GetSystemInfo(&si);
pagesize=si.dwPageSize;
}
// we need room for the size, 8 bytes to hide the original pointer and a
// validation dword, and enough data to completely fill one page
s=(size+(pagesize-1))&~(pagesize-1);
// allocate the size plus a page (for the guard)
p=VirtualAlloc(0,(SIZE_T)s,MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
return p;
}
void wfree(void * ptr)
{
if (ptr)
{
if ( ((ptrdiff_t)ptr) & 4095 ) stop();
if ( VirtualFree(ptr,0,MEM_RELEASE) == 0 ) stop();
}
}
#else
void * wmalloc(SIZE_T size)
{
static unsigned int pagesize=0;
void* p;
SIZE_T s;
// get the page size, if we haven't yet
if (pagesize==0)
{
SYSTEM_INFO si;
GetSystemInfo(&si);
pagesize=si.dwPageSize;
}
// we need room for the size, 8 bytes to hide the original pointer and a
// validation dword, and enough data to completely fill one page
s=(size+16+(pagesize-1))&~(pagesize-1);
// allocate the size plus a page (for the guard)
p=VirtualAlloc(0,(SIZE_T)(s+pagesize+pagesize),MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
if (p)
{
DWORD oldprot;
void* orig=p;
// protect the first page
VirtualProtect(((char*)p),pagesize,PAGE_NOACCESS,&oldprot);
// protect the final page
VirtualProtect(((char*)p)+s+pagesize,pagesize,PAGE_NOACCESS,&oldprot);
// now move the returned pointer so that it bumps right up against the
// the next (protected) page (this may result in unaligned return
// addresses - pre-align the sizes if you always want aligned ptrs)
//#define ERROR_ON_FRONT
#ifdef ERROR_ON_FRONT
p=((char*)p)+pagesize+16;
#else
p=((char*)p)+(s-size)+pagesize;
#endif
// hide the validation value and the original pointer (which we'll
// need used for freeing) right behind the returned pointer
((unsigned int*)p)[-1]=0x98765432;
((void**)p)[-2]=orig;
++mem_count;
//printf("aloc: %p bytes: %d\n",p,(int)size);
return(p);
}
return 0;
}
void wfree(void * ptr)
{
if (ptr)
{
int err=0;
// is this one of our allocations?
if (((((unsigned int*)ptr)[-1])!=0x98765432) || ((((void**)ptr)[-2])==0))
{
err=1;
}
if (err)
{
__debugbreak();
}
else
{
// back up to find the original pointer
void* p=((void**)ptr)[-2];
// clear the validation value and the original pointer
((unsigned int*)ptr)[-1]=0;
((void**)ptr)[-2]=0;
//printf("free: %p\n",ptr);
--mem_count;
// now free the pages
if (p)
VirtualFree(p,0,MEM_RELEASE);
}
}
}
#endif
#define STBIR_MALLOC(size,user_data) ((void)(user_data), wmalloc(size))
#define STBIR_FREE(ptr,user_data) ((void)(user_data), wfree(ptr))
#endif
#define STBIR_PROFILE
//#define STBIR_NO_SIMD
//#define STBIR_AVX
//#define STBIR_AVX2
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "stb_image_resize2.h" // new one!
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
int tsizes[5] = { 1, 1, 2, 4, 2 };
int ttypes[5] = { STBIR_TYPE_UINT8, STBIR_TYPE_UINT8_SRGB, STBIR_TYPE_UINT16, STBIR_TYPE_FLOAT, STBIR_TYPE_HALF_FLOAT };
int cedges[4] = { STBIR_EDGE_CLAMP, STBIR_EDGE_REFLECT, STBIR_EDGE_ZERO, STBIR_EDGE_WRAP };
int flts[5] = { STBIR_FILTER_BOX, STBIR_FILTER_TRIANGLE, STBIR_FILTER_CUBICBSPLINE, STBIR_FILTER_CATMULLROM, STBIR_FILTER_MITCHELL };
int buffers[20] = { STBIR_1CHANNEL, STBIR_2CHANNEL, STBIR_RGB, STBIR_4CHANNEL,
STBIR_BGRA, STBIR_ARGB, STBIR_RA, STBIR_AR,
STBIR_RGBA_PM, STBIR_ARGB_PM, STBIR_RA_PM, STBIR_AR_PM,
STBIR_RGBA, STBIR_ARGB, STBIR_RA, STBIR_AR,
STBIR_RGBA_PM, STBIR_ARGB_PM, STBIR_RA_PM, STBIR_AR_PM,
};
int obuffers[20] = { STBIR_1CHANNEL, STBIR_2CHANNEL, STBIR_RGB, STBIR_4CHANNEL,
STBIR_BGRA, STBIR_ARGB, STBIR_RA, STBIR_AR,
STBIR_RGBA_PM, STBIR_ARGB_PM, STBIR_RA_PM, STBIR_AR_PM,
STBIR_RGBA_PM, STBIR_ARGB_PM, STBIR_RA_PM, STBIR_AR_PM,
STBIR_RGBA, STBIR_ARGB, STBIR_RA, STBIR_AR,
};
int bchannels[20] = { 1, 2, 3, 4, 4,4, 2,2, 4,4, 2,2, 4,4, 2,2, 4,4, 2,2 };
int alphapos[20] = { -1, -1, -1, -1, 3,0, 1,0, 3,0, 1,0, 3,0, 1,0,3,0, 1,0 };
char const * buffstrs[20] = { "1ch", "2ch", "3ch", "4ch", "RGBA", "ARGB", "RA", "AR", "RGBA_both_pre", "ARGB_both_pre", "RA_both_pre", "AR_both_pre", "RGBA_out_pre", "ARGB_out_pre", "RA_out_pre", "AR_out_pre", "RGBA_in_pre", "ARGB_in_pre", "RA_in_pre", "AR_in_pre" };
char const * typestrs[5] = { "Bytes", "BytesSRGB", "Shorts", "Floats", "Half Floats"};
char const * edgestrs[4] = { "Clamp", "Reflect", "Zero", "Wrap" };
char const * fltstrs[5] = { "Box", "Triangle", "Cubic", "Catmullrom", "Mitchell" };
#ifdef STBIR_PROFILE
static void do_acc_zones( STBIR_PROFILE_INFO * profile )
{
stbir_uint32 j;
stbir_uint64 start = tmGetAccumulationStart( tm_mask ); start=start;
for( j = 0 ; j < profile->count ; j++ )
{
if ( profile->clocks[j] )
tmEmitAccumulationZone( 0, 0, (tm_uint64*)&start, 0, profile->clocks[j], profile->descriptions[j] );
}
}
#else
#define do_acc_zones(...)
#endif
int64 vert;
//#define WINTHREADTEST
#ifdef WINTHREADTEST
static STBIR_RESIZE * thread_resize;
static LONG which;
static int threads_started = 0;
static HANDLE threads[32];
static HANDLE starts,stops;
static DWORD resize_shim( LPVOID p )
{
for(;;)
{
LONG wh;
WaitForSingleObject( starts, INFINITE );
wh = InterlockedAdd( &which, 1 ) - 1;
ENTER( "Split %d", wh );
stbir_resize_split( thread_resize, wh, 1 );
#ifdef STBIR_PROFILE
{ STBIR_PROFILE_INFO profile; stbir_resize_split_profile_info( &profile, thread_resize, wh, 1 ); do_acc_zones( &profile ); vert = profile.clocks[1]; }
#endif
LEAVE();
ReleaseSemaphore( stops, 1, 0 );
}
}
#endif
void nresize( void * o, int ox, int oy, int op, void * i, int ix, int iy, int ip, int buf, int type, int edg, int flt )
{
STBIR_RESIZE resize;
stbir_resize_init( &resize, i, ix, iy, ip, o, ox, oy, op, buffers[buf], ttypes[type] );
stbir_set_pixel_layouts( &resize, buffers[buf], obuffers[buf] );
stbir_set_edgemodes( &resize, cedges[edg], cedges[edg] );
stbir_set_filters( &resize, flts[flt], /*STBIR_FILTER_POINT_SAMPLE */ flts[flt] );
//stbir_set_input_subrect( &resize, 0.55f,0.333f,0.75f,0.50f);
//stbir_set_output_pixel_subrect( &resize, 00, 00, ox/2,oy/2);
//stbir_set_pixel_subrect(&resize, 1430,1361,30,30);
ENTER( "Resize" );
#ifndef WINTHREADTEST
ENTER( "Filters" );
stbir_build_samplers_with_splits( &resize, 1 );
#ifdef STBIR_PROFILE
{ STBIR_PROFILE_INFO profile; stbir_resize_build_profile_info( &profile, &resize ); do_acc_zones( &profile ); }
#endif
LEAVE();
ENTER( "Resize" );
if(!stbir_resize_extended( &resize ) )
stop();
#ifdef STBIR_PROFILE
{ STBIR_PROFILE_INFO profile; stbir_resize_extended_profile_info( &profile, &resize ); do_acc_zones( &profile ); vert = profile.clocks[1]; }
#endif
LEAVE();
#else
{
int c, cnt;
ENTER( "Filters" );
cnt = stbir_build_samplers_with_splits( &resize, 4 );
#ifdef STBIR_PROFILE
{ STBIR_PROFILE_INFO profile; stbir_resize_build_profile_info( &profile, &resize ); do_acc_zones( &profile ); }
#endif
LEAVE();
ENTER( "Thread start" );
if ( threads_started == 0 )
{
starts = CreateSemaphore( 0, 0, 32, 0 );
stops = CreateSemaphore( 0, 0, 32, 0 );
}
for( c = threads_started ; c < cnt ; c++ )
threads[ c ] = CreateThread( 0, 2048*1024, resize_shim, 0, 0, 0 );
threads_started = cnt;
thread_resize = &resize;
which = 0;
LEAVE();
// starts the threads
ReleaseSemaphore( starts, cnt, 0 );
ENTER( "Wait" );
for( c = 0 ; c < cnt; c++ )
WaitForSingleObject( stops, INFINITE );
LEAVE();
}
#endif
ENTER( "Free" );
stbir_free_samplers( &resize );
LEAVE();
LEAVE();
}
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
extern void oresize( void * o, int ox, int oy, int op, void * i, int ix, int iy, int ip, int buf, int type, int edg, int flt );
#define TYPESTART 0
#define TYPEEND 4
#define LAYOUTSTART 0
#define LAYOUTEND 19
#define SIZEWSTART 0
#define SIZEWEND 2
#define SIZEHSTART 0
#define SIZEHEND 2
#define EDGESTART 0
#define EDGEEND 3
#define FILTERSTART 0
#define FILTEREND 4
#define HEIGHTSTART 0
#define HEIGHTEND 2
#define WIDTHSTART 0
#define WIDTHEND 2
static void * convert8to16( unsigned char * i, int w, int h, int c )
{
unsigned short * ret;
int p;
ret = malloc( w*h*c*sizeof(short) );
for(p = 0 ; p < (w*h*c) ; p++ )
{
ret[p]=(short)((((int)i[p])<<8)+i[p]);
}
return ret;
}
static void * convert8tof( unsigned char * i, int w, int h, int c )
{
float * ret;
int p;
ret = malloc( w*h*c*sizeof(float) );
for(p = 0 ; p < (w*h*c) ; p++ )
{
ret[p]=((float)i[p])*(1.0f/255.0f);
}
return ret;
}
static void * convert8tohf( unsigned char * i, int w, int h, int c )
{
stbir__FP16 * ret;
int p;
ret = malloc( w*h*c*sizeof(stbir__FP16) );
for(p = 0 ; p < (w*h*c) ; p++ )
{
ret[p]=stbir__float_to_half(((float)i[p])*(1.0f/255.0f));
}
return ret;
}
static void * convert8tohff( unsigned char * i, int w, int h, int c )
{
float * ret;
int p;
ret = malloc( w*h*c*sizeof(float) );
for(p = 0 ; p < (w*h*c) ; p++ )
{
ret[p]=stbir__half_to_float(stbir__float_to_half(((float)i[p])*(1.0f/255.0f)));
}
return ret;
}
static int isprime( int v )
{
int i;
if ( v <= 3 )
return ( v > 1 );
if ( ( v & 1 ) == 0 )
return 0;
if ( ( v % 3 ) == 0 )
return 0;
i = 5;
while ( (i*i) <= v )
{
if ( ( v % i ) == 0 )
return 0;
if ( ( v % ( i + 2 ) ) == 0 )
return 0;
i += 6;
}
return 1;
}
static int getprime( int v )
{
int i;
i = 0;
for(;;)
{
if ( i >= v )
return v; // can't find any, just return orig
if (isprime(v - i))
return v - i;
if (isprime(v + i))
return v + i;
++i;
}
}
int main( int argc, char ** argv )
{
int ix, iy, ic;
unsigned char * input[6];
char * ir1;
char * ir2;
int szhs[3];
int szws[3];
int aw, ah, ac;
unsigned char * correctalpha;
int layouts, types, heights, widths, edges, filters;
if ( argc != 2 )
{
printf("command: stbirtest [imagefile]\n");
exit(1);
}
SetupTM( "127.0.0.1" );
correctalpha = stbi_load( "correctalpha.png", &aw, &ah, &ac, 0 );
input[0] = stbi_load( argv[1], &ix, &iy, &ic, 0 );
input[1] = input[0];
input[2] = convert8to16( input[0], ix, iy, ic );
input[3] = convert8tof( input[0], ix, iy, ic );
input[4] = convert8tohf( input[0], ix, iy, ic );
input[5] = convert8tohff( input[0], ix, iy, ic );
printf("Input %dx%d (%d channels)\n",ix,iy,ic);
ir1 = malloc( 4 * 4 * 3000 * 3000ULL );
ir2 = malloc( 4 * 4 * 3000 * 3000ULL );
szhs[0] = getprime( iy/SHRINKBYH );
szhs[1] = iy;
szhs[2] = getprime( iy*ZOOMBYH );
szws[0] = getprime( ix/SHRINKBYW );
szws[1] = ix;
szws[2] = getprime( ix*ZOOMBYW );
#if 1
for( types = TYPESTART ; types <= TYPEEND ; types++ )
#else
for( types = 1 ; types <= 1 ; types++ )
#endif
{
ENTER( "Test type: %s",typestrs[types]);
#if 1
for( layouts = LAYOUTSTART ; layouts <= LAYOUTEND ; layouts++ )
#else
for( layouts = 16; layouts <= 16 ; layouts++ )
#endif
{
ENTER( "Test layout: %s",buffstrs[layouts]);
#if 0
for( heights = HEIGHTSTART ; heights <= HEIGHTEND ; heights++ )
{
int w, h = szhs[heights];
#else
for( heights = 0 ; heights <= 11 ; heights++ )
{
static int szhsz[12]={32, 200, 350, 400, 450, 509, 532, 624, 700, 824, 1023, 2053 };
int w, h = szhsz[heights];
#endif
ENTER( "Test height: %d %s %d",iy,(h<iy)?"Down":((h>iy)?"Up":"Same"),h);
#if 0
for( widths = WIDTHSTART ; widths <= WIDTHEND ; widths++ )
{
w = szws[widths];
#else
for( widths = 0 ; widths <= 12 ; widths++ )
{
static int szwsz[13]={2, 32, 200, 350, 400, 450, 509, 532, 624, 700, 824, 1023, 2053 };
w = szwsz[widths];
#endif
ENTER( "Test width: %d %s %d",ix, (w<ix)?"Down":((w>ix)?"Up":"Same"), w);
#if 0
for( edges = EDGESTART ; edges <= EDGEEND ; edges++ )
#else
for( edges = 0 ; edges <= 0 ; edges++ )
#endif
{
ENTER( "Test edge: %s",edgestrs[edges]);
#if 0
for( filters = FILTERSTART ; filters <= FILTEREND ; filters++ )
#else
for( filters = 3 ; filters <= 3 ; filters++ )
#endif
{
int op, opw, np,npw, c, a;
#ifdef COMPARE_SAME
int oldtypes = types;
#else
int oldtypes = (types==4)?3:types;
#endif
ENTER( "Test filter: %s",fltstrs[filters]);
{
c = bchannels[layouts];
a = alphapos[layouts];
op = w*tsizes[oldtypes]*c + 60;
opw = w*tsizes[oldtypes]*c;
np = w*tsizes[types]*c + 60;
npw = w*tsizes[types]*c;
printf( "%s:layout: %s w: %d h: %d edge: %s filt: %s\n", typestrs[types],buffstrs[layouts], w, h, edgestrs[edges], fltstrs[filters] );
// clear pixel area to different, right edge to zero
#ifndef NOCLEAR
ENTER( "Test clear padding" );
{
int d;
for( d = 0 ; d < h ; d++ )
{
int oofs = d * op;
int nofs = d * np;
memset( ir1 + oofs, 192, opw );
memset( ir1 + oofs+opw, 79, op-opw );
memset( ir2 + nofs, 255, npw );
memset( ir2 + nofs+npw, 79, np-npw );
}
}
LEAVE();
#endif
#ifdef COMPARE_SAME
#define TIMINGS 1
#else
#define TIMINGS 1
#endif
ENTER( "Test both" );
{
#ifndef PROFILE_NEW_ONLY
{
int ttt, max = 0x7fffffff;
ENTER( "Test old" );
for( ttt = 0 ; ttt < TIMINGS ; ttt++ )
{
int64 m = __cycles();
oresize( ir1, w, h, op,
#ifdef COMPARE_SAME
input[types],
#else
input[(types==4)?5:types],
#endif
ix, iy, ix*ic*tsizes[oldtypes], layouts, oldtypes, edges, filters );
m = __cycles() - m;
if ( ( (int)m ) < max )
max = (int) m;
}
LEAVE();
printf("old: %d\n", max );
}
#endif
{
int ttt, max = 0x7fffffff, maxv = 0x7fffffff;
ENTER( "Test new" );
for( ttt = 0 ; ttt < TIMINGS ; ttt++ )
{
int64 m = __cycles();
nresize( ir2, w, h, np, input[types], ix, iy, ix*ic*tsizes[types], layouts, types, edges, filters );
m = __cycles() - m;
if ( ( (int)m ) < max )
max = (int) m;
if ( ( (int)vert ) < maxv )
maxv = (int) vert;
}
LEAVE(); // test new
printf("new: %d (v: %d)\n", max, maxv );
}
}
LEAVE(); // test both
if ( mem_count!= 0 )
stop();
#ifndef NOCOMP
ENTER( "Test compare" );
{
int x,y,ch;
int nums = 0;
for( y = 0 ; y < h ; y++ )
{
for( x = 0 ; x < w ; x++ )
{
switch(types)
{
case 0:
case 1: //SRGB
{
unsigned char * p1 = (unsigned char *)&ir1[y*op+x*c];
unsigned char * p2 = (unsigned char *)&ir2[y*np+x*c];
for( ch = 0 ; ch < c ; ch++ )
{
float pp1,pp2,d;
float av = (a==-1)?1.0f:((float)p1[a]/255.0f);
pp1 = p1[ch];
pp2 = p2[ch];
// compare in premult space
#ifndef COMPARE_SAME
if ( ( ( layouts >=4 ) && ( layouts <= 7 ) ) || ( ( layouts >=16 ) && ( layouts <= 19 ) ) )
{
pp1 *= av;
pp2 *= av;
}
#endif
d = pp1 - pp2;
if ( d < 0 ) d = -d;
#ifdef COMPARE_SAME
if ( d > 0 )
#else
if ( d > 1 )
#endif
{
printf("Error at %d x %d (chan %d) (d: %g a: %g) [%d %d %d %d] [%d %d %d %d]\n",x,y,ch, d,av, p1[0],p1[1],p1[2],p1[3], p2[0],p2[1],p2[2],p2[3]);
++nums;
if ( nums > 16 ) goto ex;
//if (d) exit(1);
//goto ex;
}
}
}
break;
case 2:
{
unsigned short * p1 = (unsigned short *)&ir1[y*op+x*c*sizeof(short)];
unsigned short * p2 = (unsigned short *)&ir2[y*np+x*c*sizeof(short)];
for( ch = 0 ; ch < c ; ch++ )
{
float thres,pp1,pp2,d;
float av = (a==-1)?1.0f:((float)p1[a]/65535.0f);
pp1 = p1[ch];
pp2 = p2[ch];
// compare in premult space
#ifndef COMPARE_SAME
if ( ( ( layouts >=4 ) && ( layouts <= 7 ) ) || ( ( layouts >= 16 ) && ( layouts <= 19 ) ) )
{
pp1 *= av;
pp2 *= av;
}
#endif
d = pp1 - pp2;
if ( d < 0 ) d = -d;
thres=((float)p1[ch]*0.007f)+2.0f;
if (thres<4) thres = 4;
#ifdef COMPARE_SAME
if ( d > 0 )
#else
if ( d > thres)
#endif
{
printf("Error at %d x %d (chan %d) %d %d [df: %g th: %g al: %g] (%d %d %d %d) (%d %d %d %d)\n",x,y,ch, p1[ch],p2[ch],d,thres,av,p1[0],p1[1],p1[2],p1[3],p2[0],p2[1],p2[2],p2[3]);
++nums;
if ( nums > 16 ) goto ex;
//if (d) exit(1);
//goto ex;
}
}
}
break;
case 3:
{
float * p1 = (float *)&ir1[y*op+x*c*sizeof(float)];
float * p2 = (float *)&ir2[y*np+x*c*sizeof(float)];
for( ch = 0 ; ch < c ; ch++ )
{
float pp1 = p1[ch], pp2 = p2[ch];
float av = (a==-1)?1.0f:p1[a];
float thres, d;
// clamp
if (pp1<=0.0f) pp1 = 0;
if (pp2<=0.0f) pp2 = 0;
if (av<=0.0f) av = 0;
if (pp1>1.0f) pp1 = 1.0f;
if (pp2>1.0f) pp2 = 1.0f;
if (av>1.0f) av = 1.0f;
// compare in premult space
#ifndef COMPARE_SAME
if ( ( ( layouts >=4 ) && ( layouts <= 7 ) ) || ( ( layouts >= 16 ) && ( layouts <= 19 ) ) )
{
pp1 *= av;
pp2 *= av;
}
#endif
d = pp1 - pp2;
if ( d < 0 ) d = -d;
thres=(p1[ch]*0.002f)+0.0002f;
if ( thres < 0 ) thres = -thres;
#ifdef COMPARE_SAME
if ( d != 0.0f )
#else
if ( d > thres )
#endif
{
printf("Error at %d x %d (chan %d) %g %g [df: %g th: %g al: %g] (%g %g %g %g) (%g %g %g %g)\n",x,y,ch, p1[ch],p2[ch],d,thres,av,p1[0],p1[1],p1[2],p1[3],p2[0],p2[1],p2[2],p2[3]);
++nums;
if ( nums > 16 ) goto ex;
//if (d) exit(1);
//goto ex;
}
}
}
break;
case 4:
{
#ifdef COMPARE_SAME
stbir__FP16 * p1 = (stbir__FP16 *)&ir1[y*op+x*c*sizeof(stbir__FP16)];
#else
float * p1 = (float *)&ir1[y*op+x*c*sizeof(float)];
#endif
stbir__FP16 * p2 = (stbir__FP16 *)&ir2[y*np+x*c*sizeof(stbir__FP16)];
for( ch = 0 ; ch < c ; ch++ )
{
#ifdef COMPARE_SAME
float pp1 = stbir__half_to_float(p1[ch]);
float av = (a==-1)?1.0f:stbir__half_to_float(p1[a]);
#else
float pp1 = stbir__half_to_float(stbir__float_to_half(p1[ch]));
float av = (a==-1)?1.0f:stbir__half_to_float(stbir__float_to_half(p1[a]));
#endif
float pp2 = stbir__half_to_float(p2[ch]);
float d, thres;
// clamp
if (pp1<=0.0f) pp1 = 0;
if (pp2<=0.0f) pp2 = 0;
if (av<=0.0f) av = 0;
if (pp1>1.0f) pp1 = 1.0f;
if (pp2>1.0f) pp2 = 1.0f;
if (av>1.0f) av = 1.0f;
thres=(pp1*0.002f)+0.0002f;
// compare in premult space
#ifndef COMPARE_SAME
if ( ( ( layouts >=4 ) && ( layouts <= 7 ) ) || ( ( layouts >= 16 ) && ( layouts <= 19 ) ) )
{
pp1 *= av;
pp2 *= av;
}
#endif
d = pp1 - pp2;
if ( d < 0 ) d = -d;
#ifdef COMPARE_SAME
if ( d != 0.0f )
#else
if ( d > thres )
#endif
{
printf("Error at %d x %d (chan %d) %g %g [df: %g th: %g al: %g] (%g %g %g %g) (%g %g %g %g)\n",x,y,ch,
#ifdef COMPARE_SAME
stbir__half_to_float(p1[ch]),
#else
p1[ch],
#endif
stbir__half_to_float(p2[ch]),
d,thres,av,
#ifdef COMPARE_SAME
stbir__half_to_float(p1[0]),stbir__half_to_float(p1[1]),stbir__half_to_float(p1[2]),stbir__half_to_float(p1[3]),
#else
p1[0],p1[1],p1[2],p1[3],
#endif
stbir__half_to_float(p2[0]),stbir__half_to_float(p2[1]),stbir__half_to_float(p2[2]),stbir__half_to_float(p2[3]) );
++nums;
if ( nums > 16 ) goto ex;
//if (d) exit(1);
//goto ex;
}
}
}
break;
}
}
for( x = (w*c)*tsizes[oldtypes]; x < op; x++ )
{
if ( ir1[y*op+x] != 79 )
{
printf("Margin error at %d x %d %d (should be 79) OLD!\n",x,y,(unsigned char)ir1[y*op+x]);
goto ex;
}
}
for( x = (w*c)*tsizes[types]; x < np; x++ )
{
if ( ir2[y*np+x] != 79 )
{
printf("Margin error at %d x %d %d (should be 79) NEW\n",x,y,(unsigned char)ir2[y*np+x]);
goto ex;
}
}
}
ex:
ENTER( "OUTPUT IMAGES" );
printf(" tot pix: %d, errs: %d\n", w*h*c,nums );
if (nums)
{
stbi_write_png("old.png", w, h, c, ir1, op);
stbi_write_png("new.png", w, h, c, ir2, np);
exit(1);
}
LEAVE(); // output images
}
LEAVE(); //test compare
#endif
}
LEAVE(); // test filter
}
LEAVE(); // test edge
}
LEAVE(); // test width
}
LEAVE(); // test height
}
LEAVE(); // test type
}
LEAVE(); // test layout
}
CloseTM();
return 0;
}

999
stb_image_resize_test/vf_train.c Normal file
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@ -0,0 +1,999 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define stop() __debugbreak()
#include <windows.h>
#define int64 __int64
#pragma warning(disable:4127)
#define STBIR__WEIGHT_TABLES
#define STBIR_PROFILE
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "stb_image_resize2.h"
static int * file_read( char const * filename )
{
size_t s;
int * m;
FILE * f = fopen( filename, "rb" );
if ( f == 0 ) return 0;
fseek( f, 0, SEEK_END);
s = ftell( f );
fseek( f, 0, SEEK_SET);
m = malloc( s + 4 );
m[0] = (int)s;
fread( m+1, 1, s, f);
fclose(f);
return( m );
}
typedef struct fileinfo
{
int * timings;
int timing_count;
int dimensionx, dimensiony;
int numtypes;
int * types;
int * effective;
int cpu;
int simd;
int numinputrects;
int * inputrects;
int outputscalex, outputscaley;
int milliseconds;
int64 cycles;
double scale_time;
int bitmapx, bitmapy;
char const * filename;
} fileinfo;
int numfileinfo;
fileinfo fi[256];
unsigned char * bitmap;
int bitmapw, bitmaph, bitmapp;
static int use_timing_file( char const * filename, int index )
{
int * base = file_read( filename );
int * file = base;
if ( base == 0 ) return 0;
++file; // skip file image size;
if ( *file++ != 'VFT1' ) return 0;
fi[index].cpu = *file++;
fi[index].simd = *file++;
fi[index].dimensionx = *file++;
fi[index].dimensiony = *file++;
fi[index].numtypes = *file++;
fi[index].types = file; file += fi[index].numtypes;
fi[index].effective = file; file += fi[index].numtypes;
fi[index].numinputrects = *file++;
fi[index].inputrects = file; file += fi[index].numinputrects * 2;
fi[index].outputscalex = *file++;
fi[index].outputscaley = *file++;
fi[index].milliseconds = *file++;
fi[index].cycles = ((int64*)file)[0]; file += 2;
fi[index].filename = filename;
fi[index].timings = file;
fi[index].timing_count = (int) ( ( base[0] - ( ((char*)file - (char*)base - sizeof(int) ) ) ) / (sizeof(int)*2) );
fi[index].scale_time = (double)fi[index].milliseconds / (double)fi[index].cycles;
return 1;
}
static int vert_first( float weights_table[STBIR_RESIZE_CLASSIFICATIONS][4], int ox, int oy, int ix, int iy, int filter, STBIR__V_FIRST_INFO * v_info )
{
float h_scale=(float)ox/(float)(ix);
float v_scale=(float)oy/(float)(iy);
stbir__support_callback * support = stbir__builtin_supports[filter];
int vertical_filter_width = stbir__get_filter_pixel_width(support,v_scale,0);
int vertical_gather = ( v_scale >= ( 1.0f - stbir__small_float ) ) || ( vertical_filter_width <= STBIR_FORCE_GATHER_FILTER_SCANLINES_AMOUNT );
return stbir__should_do_vertical_first( weights_table, stbir__get_filter_pixel_width(support,h_scale,0), h_scale, ox, vertical_filter_width, v_scale, oy, vertical_gather, v_info );
}
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
static void alloc_bitmap()
{
int findex;
int x = 0, y = 0;
int w = 0, h = 0;
for( findex = 0 ; findex < numfileinfo ; findex++ )
{
int nx, ny;
int thisw, thish;
thisw = ( fi[findex].dimensionx * fi[findex].numtypes ) + ( fi[findex].numtypes - 1 );
thish = ( fi[findex].dimensiony * fi[findex].numinputrects ) + ( fi[findex].numinputrects - 1 );
for(;;)
{
nx = x + ((x)?4:0) + thisw;
ny = y + ((y)?4:0) + thish;
if ( ( nx <= 3600 ) || ( x == 0 ) )
{
fi[findex].bitmapx = x + ((x)?4:0);
fi[findex].bitmapy = y + ((y)?4:0);
x = nx;
if ( x > w ) w = x;
if ( ny > h ) h = ny;
break;
}
else
{
x = 0;
y = h;
}
}
}
w = (w+3) & ~3;
bitmapw = w;
bitmaph = h;
bitmapp = w * 3; // RGB
bitmap = malloc( bitmapp * bitmaph );
memset( bitmap, 0, bitmapp * bitmaph );
}
static void build_bitmap( float weights[STBIR_RESIZE_CLASSIFICATIONS][4], int do_channel_count_index, int findex )
{
static int colors[STBIR_RESIZE_CLASSIFICATIONS];
STBIR__V_FIRST_INFO v_info = {0};
int * ts;
int ir;
unsigned char * bitm = bitmap + ( fi[findex].bitmapx*3 ) + ( fi[findex].bitmapy*bitmapp) ;
for( ir = 0; ir < STBIR_RESIZE_CLASSIFICATIONS ; ir++ ) colors[ ir ] = 127*ir/STBIR_RESIZE_CLASSIFICATIONS+128;
ts = fi[findex].timings;
for( ir = 0 ; ir < fi[findex].numinputrects ; ir++ )
{
int ix, iy, chanind;
ix = fi[findex].inputrects[ir*2];
iy = fi[findex].inputrects[ir*2+1];
for( chanind = 0 ; chanind < fi[findex].numtypes ; chanind++ )
{
int ofs, h, hh;
// just do the type that we're on
if ( chanind != do_channel_count_index )
{
ts += 2 * fi[findex].dimensionx * fi[findex].dimensiony;
continue;
}
// bitmap offset
ofs=chanind*(fi[findex].dimensionx+1)*3+ir*(fi[findex].dimensiony+1)*bitmapp;
h = 1;
for( hh = 0 ; hh < fi[findex].dimensiony; hh++ )
{
int ww, w = 1;
for( ww = 0 ; ww < fi[findex].dimensionx; ww++ )
{
int good, v_first, VF, HF;
VF = ts[0];
HF = ts[1];
v_first = vert_first( weights, w, h, ix, iy, STBIR_FILTER_MITCHELL, &v_info );
good = ( ((HF<=VF) && (!v_first)) || ((VF<=HF) && (v_first)));
if ( good )
{
bitm[ofs+2] = 0;
bitm[ofs+1] = (unsigned char)colors[v_info.v_resize_classification];
}
else
{
double r;
if ( HF < VF )
r = (double)(VF-HF)/(double)HF;
else
r = (double)(HF-VF)/(double)VF;
if ( r > 0.4f) r = 0.4;
r *= 1.0f/0.4f;
bitm[ofs+2] = (char)(255.0f*r);
bitm[ofs+1] = (char)(((float)colors[v_info.v_resize_classification])*(1.0f-r));
}
bitm[ofs] = 0;
ofs += 3;
ts += 2;
w += fi[findex].outputscalex;
}
ofs += bitmapp - fi[findex].dimensionx*3;
h += fi[findex].outputscaley;
}
}
}
}
static void build_comp_bitmap( float weights[STBIR_RESIZE_CLASSIFICATIONS][4], int do_channel_count_index )
{
int * ts0;
int * ts1;
int ir;
unsigned char * bitm = bitmap + ( fi[0].bitmapx*3 ) + ( fi[0].bitmapy*bitmapp) ;
ts0 = fi[0].timings;
ts1 = fi[1].timings;
for( ir = 0 ; ir < fi[0].numinputrects ; ir++ )
{
int ix, iy, chanind;
ix = fi[0].inputrects[ir*2];
iy = fi[0].inputrects[ir*2+1];
for( chanind = 0 ; chanind < fi[0].numtypes ; chanind++ )
{
int ofs, h, hh;
// just do the type that we're on
if ( chanind != do_channel_count_index )
{
ts0 += 2 * fi[0].dimensionx * fi[0].dimensiony;
ts1 += 2 * fi[0].dimensionx * fi[0].dimensiony;
continue;
}
// bitmap offset
ofs=chanind*(fi[0].dimensionx+1)*3+ir*(fi[0].dimensiony+1)*bitmapp;
h = 1;
for( hh = 0 ; hh < fi[0].dimensiony; hh++ )
{
int ww, w = 1;
for( ww = 0 ; ww < fi[0].dimensionx; ww++ )
{
int v_first, time0, time1;
v_first = vert_first( weights, w, h, ix, iy, STBIR_FILTER_MITCHELL, 0 );
time0 = ( v_first ) ? ts0[0] : ts0[1];
time1 = ( v_first ) ? ts1[0] : ts1[1];
if ( time0 < time1 )
{
double r = (double)(time1-time0)/(double)time0;
if ( r > 0.4f) r = 0.4;
r *= 1.0f/0.4f;
bitm[ofs+2] = 0;
bitm[ofs+1] = (char)(255.0f*r);
bitm[ofs] = (char)(64.0f*(1.0f-r));
}
else
{
double r = (double)(time0-time1)/(double)time1;
if ( r > 0.4f) r = 0.4;
r *= 1.0f/0.4f;
bitm[ofs+2] = (char)(255.0f*r);
bitm[ofs+1] = 0;
bitm[ofs] = (char)(64.0f*(1.0f-r));
}
ofs += 3;
ts0 += 2;
ts1 += 2;
w += fi[0].outputscalex;
}
ofs += bitmapp - fi[0].dimensionx*3;
h += fi[0].outputscaley;
}
}
}
}
static void write_bitmap()
{
stbi_write_png( "results.png", bitmapp / 3, bitmaph, 3|STB_IMAGE_BGR, bitmap, bitmapp );
}
static void calc_errors( float weights_table[STBIR_RESIZE_CLASSIFICATIONS][4], int * curtot, double * curerr, int do_channel_count_index )
{
int th, findex;
STBIR__V_FIRST_INFO v_info = {0};
for(th=0;th<STBIR_RESIZE_CLASSIFICATIONS;th++)
{
curerr[th]=0;
curtot[th]=0;
}
for( findex = 0 ; findex < numfileinfo ; findex++ )
{
int * ts;
int ir;
ts = fi[findex].timings;
for( ir = 0 ; ir < fi[findex].numinputrects ; ir++ )
{
int ix, iy, chanind;
ix = fi[findex].inputrects[ir*2];
iy = fi[findex].inputrects[ir*2+1];
for( chanind = 0 ; chanind < fi[findex].numtypes ; chanind++ )
{
int h, hh;
// just do the type that we're on
if ( chanind != do_channel_count_index )
{
ts += 2 * fi[findex].dimensionx * fi[findex].dimensiony;
continue;
}
h = 1;
for( hh = 0 ; hh < fi[findex].dimensiony; hh++ )
{
int ww, w = 1;
for( ww = 0 ; ww < fi[findex].dimensionx; ww++ )
{
int good, v_first, VF, HF;
VF = ts[0];
HF = ts[1];
v_first = vert_first( weights_table, w, h, ix, iy, STBIR_FILTER_MITCHELL, &v_info );
good = ( ((HF<=VF) && (!v_first)) || ((VF<=HF) && (v_first)));
if ( !good )
{
double diff;
if ( VF < HF )
diff = ((double)HF-(double)VF) * fi[findex].scale_time;
else
diff = ((double)VF-(double)HF) * fi[findex].scale_time;
curtot[v_info.v_resize_classification] += 1;
curerr[v_info.v_resize_classification] += diff;
}
ts += 2;
w += fi[findex].outputscalex;
}
h += fi[findex].outputscaley;
}
}
}
}
}
#define TRIESPERWEIGHT 32
#define MAXRANGE ((TRIESPERWEIGHT+1) * (TRIESPERWEIGHT+1) * (TRIESPERWEIGHT+1) * (TRIESPERWEIGHT+1) - 1)
static void expand_to_floats( float * weights, int range )
{
weights[0] = (float)( range % (TRIESPERWEIGHT+1) ) / (float)TRIESPERWEIGHT;
weights[1] = (float)( range/(TRIESPERWEIGHT+1) % (TRIESPERWEIGHT+1) ) / (float)TRIESPERWEIGHT;
weights[2] = (float)( range/(TRIESPERWEIGHT+1)/(TRIESPERWEIGHT+1) % (TRIESPERWEIGHT+1) ) / (float)TRIESPERWEIGHT;
weights[3] = (float)( range/(TRIESPERWEIGHT+1)/(TRIESPERWEIGHT+1)/(TRIESPERWEIGHT+1) % (TRIESPERWEIGHT+1) ) / (float)TRIESPERWEIGHT;
}
static char const * expand_to_string( int range )
{
static char str[128];
int w0,w1,w2,w3;
w0 = range % (TRIESPERWEIGHT+1);
w1 = range/(TRIESPERWEIGHT+1) % (TRIESPERWEIGHT+1);
w2 = range/(TRIESPERWEIGHT+1)/(TRIESPERWEIGHT+1) % (TRIESPERWEIGHT+1);
w3 = range/(TRIESPERWEIGHT+1)/(TRIESPERWEIGHT+1)/(TRIESPERWEIGHT+1) % (TRIESPERWEIGHT+1);
sprintf( str, "[ %2d/%d %2d/%d %2d/%d %2d/%d ]",w0,TRIESPERWEIGHT,w1,TRIESPERWEIGHT,w2,TRIESPERWEIGHT,w3,TRIESPERWEIGHT );
return str;
}
static void print_weights( float weights[STBIR_RESIZE_CLASSIFICATIONS][4], int channel_count_index, int * tots, double * errs )
{
int th;
printf("ChInd: %d Weights:\n",channel_count_index);
for(th=0;th<STBIR_RESIZE_CLASSIFICATIONS;th++)
{
float * w = weights[th];
printf(" %d: [%1.5f %1.5f %1.5f %1.5f] (%d %.4f)\n",th, w[0], w[1], w[2], w[3], tots[th], errs[th] );
}
printf("\n");
}
static int windowranges[ 16 ];
static int windowstatus = 0;
static DWORD trainstart = 0;
static void opt_channel( float best_output_weights[STBIR_RESIZE_CLASSIFICATIONS][4], int channel_count_index )
{
int newbest = 0;
float weights[STBIR_RESIZE_CLASSIFICATIONS][4] = {0};
double besterr[STBIR_RESIZE_CLASSIFICATIONS];
int besttot[STBIR_RESIZE_CLASSIFICATIONS];
int best[STBIR_RESIZE_CLASSIFICATIONS]={0};
double curerr[STBIR_RESIZE_CLASSIFICATIONS];
int curtot[STBIR_RESIZE_CLASSIFICATIONS];
int th, range;
DWORD lasttick = 0;
for(th=0;th<STBIR_RESIZE_CLASSIFICATIONS;th++)
{
besterr[th]=1000000000000.0;
besttot[th]=0x7fffffff;
}
newbest = 0;
// try the whole range
range = MAXRANGE;
do
{
for(th=0;th<STBIR_RESIZE_CLASSIFICATIONS;th++)
expand_to_floats( weights[th], range );
calc_errors( weights, curtot, curerr, channel_count_index );
for(th=0;th<STBIR_RESIZE_CLASSIFICATIONS;th++)
{
if ( curerr[th] < besterr[th] )
{
besterr[th] = curerr[th];
besttot[th] = curtot[th];
best[th] = range;
expand_to_floats( best_output_weights[th], best[th] );
newbest = 1;
}
}
{
DWORD t = GetTickCount();
if ( range == 0 )
goto do_bitmap;
if ( newbest )
{
if ( ( GetTickCount() - lasttick ) > 200 )
{
int findex;
do_bitmap:
lasttick = t;
newbest = 0;
for( findex = 0 ; findex < numfileinfo ; findex++ )
build_bitmap( best_output_weights, channel_count_index, findex );
lasttick = GetTickCount();
}
}
}
windowranges[ channel_count_index ] = range;
// advance all the weights and loop
--range;
} while( ( range >= 0 ) && ( !windowstatus ) );
// if we hit here, then we tried all weights for this opt, so save them
}
static void print_struct( float weight[5][STBIR_RESIZE_CLASSIFICATIONS][4], char const * name )
{
printf("\n\nstatic float %s[5][STBIR_RESIZE_CLASSIFICATIONS][4]=\n{", name );
{
int i;
for(i=0;i<5;i++)
{
int th;
for(th=0;th<STBIR_RESIZE_CLASSIFICATIONS;th++)
{
int j;
printf("\n ");
for(j=0;j<4;j++)
printf("%1.5ff, ", weight[i][th][j] );
}
printf("\n");
}
printf("\n};\n");
}
}
static float retrain_weights[5][STBIR_RESIZE_CLASSIFICATIONS][4];
static DWORD __stdcall retrain_shim( LPVOID p )
{
int chanind = (int) (size_t)p;
opt_channel( retrain_weights[chanind], chanind );
return 0;
}
static char const * gettime( int ms )
{
static char time[32];
if (ms > 60000)
sprintf( time, "%dm %ds",ms/60000, (ms/1000)%60 );
else
sprintf( time, "%ds",ms/1000 );
return time;
}
static BITMAPINFOHEADER bmiHeader;
static DWORD extrawindoww, extrawindowh;
static HINSTANCE instance;
static int curzoom = 1;
static LRESULT WINAPI WindowProc( HWND window,
UINT message,
WPARAM wparam,
LPARAM lparam )
{
switch( message )
{
case WM_CHAR:
if ( wparam != 27 )
break;
// falls through
case WM_CLOSE:
{
int i;
int max = 0;
for( i = 0 ; i < fi[0].numtypes ; i++ )
if( windowranges[i] > max ) max = windowranges[i];
if ( ( max == 0 ) || ( MessageBox( window, "Cancel before training is finished?", "Vertical First Training", MB_OKCANCEL|MB_ICONSTOP ) == IDOK ) )
{
for( i = 0 ; i < fi[0].numtypes ; i++ )
if( windowranges[i] > max ) max = windowranges[i];
if ( max )
windowstatus = 1;
DestroyWindow( window );
}
}
return 0;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC dc;
dc = BeginPaint( window, &ps );
StretchDIBits( dc,
0, 0, bitmapw*curzoom, bitmaph*curzoom,
0, 0, bitmapw, bitmaph,
bitmap, (BITMAPINFO*)&bmiHeader, DIB_RGB_COLORS, SRCCOPY );
PatBlt( dc, bitmapw*curzoom, 0, 4096, 4096, WHITENESS );
PatBlt( dc, 0, bitmaph*curzoom, 4096, 4096, WHITENESS );
SetTextColor( dc, RGB(0,0,0) );
SetBkColor( dc, RGB(255,255,255) );
SetBkMode( dc, OPAQUE );
{
int i, l = 0, max = 0;
char buf[1024];
RECT rc;
POINT p;
for( i = 0 ; i < fi[0].numtypes ; i++ )
{
l += sprintf( buf + l, "channels: %d %s\n", fi[0].effective[i], windowranges[i] ? expand_to_string( windowranges[i] ) : "Done." );
if ( windowranges[i] > max ) max = windowranges[i];
}
rc.left = 32; rc.top = bitmaph*curzoom+10;
rc.right = 512; rc.bottom = rc.top + 512;
DrawText( dc, buf, -1, &rc, DT_TOP );
l = 0;
if ( max == 0 )
{
static DWORD traindone = 0;
if ( traindone == 0 ) traindone = GetTickCount();
l = sprintf( buf, "Finished in %s.", gettime( traindone - trainstart ) );
}
else if ( max != MAXRANGE )
l = sprintf( buf, "Done in %s...", gettime( (int) ( ( ( (int64)max * ( (int64)GetTickCount() - (int64)trainstart ) ) ) / (int64) ( MAXRANGE - max ) ) ) );
GetCursorPos( &p );
ScreenToClient( window, &p );
if ( ( p.x >= 0 ) && ( p.y >= 0 ) && ( p.x < (bitmapw*curzoom) ) && ( p.y < (bitmaph*curzoom) ) )
{
int findex;
int x, y, w, h, sx, sy, ix, iy, ox, oy;
int ir, chanind;
int * ts;
char badstr[64];
STBIR__V_FIRST_INFO v_info={0};
p.x /= curzoom;
p.y /= curzoom;
for( findex = 0 ; findex < numfileinfo ; findex++ )
{
x = fi[findex].bitmapx;
y = fi[findex].bitmapy;
w = x + ( fi[findex].dimensionx + 1 ) * fi[findex].numtypes;
h = y + ( fi[findex].dimensiony + 1 ) * fi[findex].numinputrects;
if ( ( p.x >= x ) && ( p.y >= y ) && ( p.x < w ) && ( p.y < h ) )
goto found;
}
goto nope;
found:
ir = ( p.y - y ) / ( fi[findex].dimensiony + 1 );
sy = ( p.y - y ) % ( fi[findex].dimensiony + 1 );
if ( sy >= fi[findex].dimensiony ) goto nope;
chanind = ( p.x - x ) / ( fi[findex].dimensionx + 1 );
sx = ( p.x - x ) % ( fi[findex].dimensionx + 1 );
if ( sx >= fi[findex].dimensionx ) goto nope;
ix = fi[findex].inputrects[ir*2];
iy = fi[findex].inputrects[ir*2+1];
ts = fi[findex].timings + ( ( fi[findex].dimensionx * fi[findex].dimensiony * fi[findex].numtypes * ir ) + ( fi[findex].dimensionx * fi[findex].dimensiony * chanind ) + ( fi[findex].dimensionx * sy ) + sx ) * 2;
ox = 1+fi[findex].outputscalex*sx;
oy = 1+fi[findex].outputscaley*sy;
if ( windowstatus != 2 )
{
int VF, HF, v_first, good;
VF = ts[0];
HF = ts[1];
v_first = vert_first( retrain_weights[chanind], ox, oy, ix, iy, STBIR_FILTER_MITCHELL, &v_info );
good = ( ((HF<=VF) && (!v_first)) || ((VF<=HF) && (v_first)));
if ( good )
badstr[0] = 0;
else
{
double r;
if ( HF < VF )
r = (double)(VF-HF)/(double)HF;
else
r = (double)(HF-VF)/(double)VF;
sprintf( badstr, " %.1f%% off", r*100 );
}
sprintf( buf + l, "\n\n%s\nCh: %d Resize: %dx%d to %dx%d\nV: %d H: %d Order: %c (%s%s)\nClass: %d Scale: %.2f %s", fi[findex].filename,fi[findex].effective[chanind], ix,iy,ox,oy, VF, HF, v_first?'V':'H', good?"Good":"Wrong", badstr, v_info.v_resize_classification, (double)oy/(double)iy, v_info.is_gather ? "Gather" : "Scatter" );
}
else
{
int v_first, time0, time1;
float (* weights)[4] = stbir__compute_weights[chanind];
int * ts1;
char b0[32], b1[32];
ts1 = fi[1].timings + ( ts - fi[0].timings );
v_first = vert_first( weights, ox, oy, ix, iy, STBIR_FILTER_MITCHELL, &v_info );
time0 = ( v_first ) ? ts[0] : ts[1];
time1 = ( v_first ) ? ts1[0] : ts1[1];
b0[0] = b1[0] = 0;
if ( time0 < time1 )
sprintf( b0," (%.f%% better)", ((double)time1-(double)time0)*100.0f/(double)time0);
else
sprintf( b1," (%.f%% better)", ((double)time0-(double)time1)*100.0f/(double)time1);
sprintf( buf + l, "\n\n0: %s\n1: %s\nCh: %d Resize: %dx%d to %dx%d\nClass: %d Scale: %.2f %s\nTime0: %d%s\nTime1: %d%s", fi[0].filename, fi[1].filename, fi[0].effective[chanind], ix,iy,ox,oy, v_info.v_resize_classification, (double)oy/(double)iy, v_info.is_gather ? "Gather" : "Scatter", time0, b0, time1, b1 );
}
}
nope:
rc.left = 32+320; rc.right = 512+320;
SetTextColor( dc, RGB(0,0,128) );
DrawText( dc, buf, -1, &rc, DT_TOP );
}
EndPaint( window, &ps );
return 0;
}
case WM_TIMER:
InvalidateRect( window, 0, 0 );
return 0;
case WM_DESTROY:
PostQuitMessage( 0 );
return 0;
}
return DefWindowProc( window, message, wparam, lparam );
}
static void SetHighDPI(void)
{
typedef HRESULT WINAPI setdpitype(int v);
HMODULE h=LoadLibrary("Shcore.dll");
if (h)
{
setdpitype * sd = (setdpitype*)GetProcAddress(h,"SetProcessDpiAwareness");
if (sd )
sd(1);
}
}
static void draw_window()
{
WNDCLASS wc;
HWND w;
MSG msg;
instance = GetModuleHandle(NULL);
wc.style = 0;
wc.lpfnWndProc = WindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = instance;
wc.hIcon = 0;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = 0;
wc.lpszMenuName = 0;
wc.lpszClassName = "WHTrain";
if ( !RegisterClass( &wc ) )
exit(1);
SetHighDPI();
bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmiHeader.biWidth = bitmapp/3;
bmiHeader.biHeight = -bitmaph;
bmiHeader.biPlanes = 1;
bmiHeader.biBitCount = 24;
bmiHeader.biCompression = BI_RGB;
w = CreateWindow( "WHTrain",
"Vertical First Training",
WS_CAPTION | WS_POPUP| WS_CLIPCHILDREN |
WS_SYSMENU | WS_MINIMIZEBOX | WS_SIZEBOX,
CW_USEDEFAULT,CW_USEDEFAULT,
CW_USEDEFAULT,CW_USEDEFAULT,
0, 0, instance, 0 );
{
RECT r, c;
GetWindowRect( w, &r );
GetClientRect( w, &c );
extrawindoww = ( r.right - r.left ) - ( c.right - c.left );
extrawindowh = ( r.bottom - r.top ) - ( c.bottom - c.top );
SetWindowPos( w, 0, 0, 0, bitmapw * curzoom + extrawindoww, bitmaph * curzoom + extrawindowh + 164, SWP_NOMOVE );
}
ShowWindow( w, SW_SHOWNORMAL );
SetTimer( w, 1, 250, 0 );
{
BOOL ret;
while( ( ret = GetMessage( &msg, w, 0, 0 ) ) != 0 )
{
if ( ret == -1 )
break;
TranslateMessage( &msg );
DispatchMessage( &msg );
}
}
}
static void retrain()
{
HANDLE threads[ 16 ];
int chanind;
trainstart = GetTickCount();
for( chanind = 0 ; chanind < fi[0].numtypes ; chanind++ )
threads[ chanind ] = CreateThread( 0, 2048*1024, retrain_shim, (LPVOID)(size_t)chanind, 0, 0 );
draw_window();
for( chanind = 0 ; chanind < fi[0].numtypes ; chanind++ )
{
WaitForSingleObject( threads[ chanind ], INFINITE );
CloseHandle( threads[ chanind ] );
}
write_bitmap();
print_struct( retrain_weights, "retained_weights" );
if ( windowstatus ) printf( "CANCELLED!\n" );
}
static void info()
{
int findex;
// display info about each input file
for( findex = 0 ; findex < numfileinfo ; findex++ )
{
int i, h,m,s;
if ( findex ) printf( "\n" );
printf( "Timing file: %s\n", fi[findex].filename );
printf( "CPU type: %d %s\n", fi[findex].cpu, fi[findex].simd?(fi[findex].simd==2?"SIMD8":"SIMD4"):"Scalar" );
h = fi[findex].milliseconds/3600000;
m = (fi[findex].milliseconds-h*3600000)/60000;
s = (fi[findex].milliseconds-h*3600000-m*60000)/1000;
printf( "Total time in test: %dh %dm %ds Cycles/sec: %.f\n", h,m,s, 1000.0/fi[findex].scale_time );
printf( "Each tile of samples is %dx%d, and is scaled by %dx%d.\n", fi[findex].dimensionx,fi[findex].dimensiony, fi[findex].outputscalex,fi[findex].outputscaley );
printf( "So the x coords are: " );
for( i=0; i < fi[findex].dimensionx ; i++ ) printf( "%d ",1+i*fi[findex].outputscalex );
printf( "\n" );
printf( "And the y coords are: " );
for( i=0; i < fi[findex].dimensiony ; i++ ) printf( "%d ",1+i*fi[findex].outputscaley );
printf( "\n" );
printf( "There are %d channel counts and they are: ", fi[findex].numtypes );
for( i=0; i < fi[findex].numtypes ; i++ ) printf( "%d ",fi[findex].effective[i] );
printf( "\n" );
printf( "There are %d input rect sizes and they are: ", fi[findex].numinputrects );
for( i=0; i < fi[findex].numtypes ; i++ ) printf( "%dx%d ",fi[findex].inputrects[i*2],fi[findex].inputrects[i*2+1] );
printf( "\n" );
}
}
static void current( int do_win, int do_bitmap )
{
int i, findex;
trainstart = GetTickCount();
// clear progress
memset( windowranges, 0, sizeof( windowranges ) );
// copy in appropriate weights
memcpy( retrain_weights, stbir__compute_weights, sizeof( retrain_weights ) );
// build and print current errors and build current bitmap
for( i = 0 ; i < fi[0].numtypes ; i++ )
{
double curerr[STBIR_RESIZE_CLASSIFICATIONS];
int curtot[STBIR_RESIZE_CLASSIFICATIONS];
float (* weights)[4] = retrain_weights[i];
calc_errors( weights, curtot, curerr, i );
if ( !do_bitmap )
print_weights( weights, i, curtot, curerr );
for( findex = 0 ; findex < numfileinfo ; findex++ )
build_bitmap( weights, i, findex );
}
if ( do_win )
draw_window();
if ( do_bitmap )
write_bitmap();
}
static void compare()
{
int i;
trainstart = GetTickCount();
windowstatus = 2; // comp mode
// clear progress
memset( windowranges, 0, sizeof( windowranges ) );
if ( ( fi[0].numtypes != fi[1].numtypes ) || ( fi[0].numinputrects != fi[1].numinputrects ) ||
( fi[0].dimensionx != fi[1].dimensionx ) || ( fi[0].dimensiony != fi[1].dimensiony ) ||
( fi[0].outputscalex != fi[1].outputscalex ) || ( fi[0].outputscaley != fi[1].outputscaley ) )
{
err:
printf( "Timing files don't match.\n" );
exit(5);
}
for( i=0; i < fi[0].numtypes ; i++ )
{
if ( fi[0].effective[i] != fi[1].effective[i] ) goto err;
if ( fi[0].inputrects[i*2] != fi[1].inputrects[i*2] ) goto err;
if ( fi[0].inputrects[i*2+1] != fi[1].inputrects[i*2+1] ) goto err;
}
alloc_bitmap( 1 );
for( i = 0 ; i < fi[0].numtypes ; i++ )
{
float (* weights)[4] = stbir__compute_weights[i];
build_comp_bitmap( weights, i );
}
draw_window();
}
static void load_files( char ** args, int count )
{
int i;
if ( count == 0 )
{
printf( "No timing files listed!" );
exit(3);
}
for ( i = 0 ; i < count ; i++ )
{
if ( !use_timing_file( args[i], i ) )
{
printf( "Bad timing file %s\n", args[i] );
exit(2);
}
}
numfileinfo = count;
}
int main( int argc, char ** argv )
{
int check;
if ( argc < 3 )
{
err:
printf( "vf_train retrain [timing_filenames....] - recalcs weights for all the files on the command line.\n");
printf( "vf_train info [timing_filenames....] - shows info about each timing file.\n");
printf( "vf_train check [timing_filenames...] - show results for the current weights for all files listed.\n");
printf( "vf_train compare <timing file1> <timing file2> - compare two timing files (must only be two files and same resolution).\n");
printf( "vf_train bitmap [timing_filenames...] - write out results.png, comparing against the current weights for all files listed.\n");
exit(1);
}
check = ( strcmp( argv[1], "check" ) == 0 );
if ( ( check ) || ( strcmp( argv[1], "bitmap" ) == 0 ) )
{
load_files( argv + 2, argc - 2 );
alloc_bitmap( numfileinfo );
current( check, !check );
}
else if ( strcmp( argv[1], "info" ) == 0 )
{
load_files( argv + 2, argc - 2 );
info();
}
else if ( strcmp( argv[1], "compare" ) == 0 )
{
if ( argc != 4 )
{
printf( "You must specify two files to compare.\n" );
exit(4);
}
load_files( argv + 2, argc - 2 );
compare();
}
else if ( strcmp( argv[1], "retrain" ) == 0 )
{
load_files( argv + 2, argc - 2 );
alloc_bitmap( numfileinfo );
retrain();
}
else
{
goto err;
}
return 0;
}

13
tests/resample_test.cpp
View File

@ -64,7 +64,7 @@ void stbir_progress(float p)
#define STBIR_PROGRESS_REPORT stbir_progress
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#define STB_IMAGE_RESIZE_STATIC
#include "stb_image_resize.h"
#include "stb_image_resize2.h"
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
@ -143,7 +143,7 @@ void resizer(int argc, char **argv)
out_h = h*3;
output_pixels = (unsigned char*) malloc(out_w*out_h*n);
//stbir_resize_uint8_srgb(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, n, -1,0);
stbir_resize_uint8(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, n);
stbir_resize_uint8_linear(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, (stbir_pixel_layout) n);
stbi_write_png("output.png", out_w, out_h, n, output_pixels, 0);
exit(0);
}
@ -171,9 +171,9 @@ void performance(int argc, char **argv)
output_pixels = (unsigned char*) malloc(out_w*out_h*n);
for (i=0; i < count; ++i)
if (srgb)
stbir_resize_uint8_srgb(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, n,-1,0);
stbir_resize_uint8_srgb(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, (stbir_pixel_layout) n);
else
stbir_resize(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, STBIR_TYPE_UINT8, n,-1, 0, STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_FILTER_DEFAULT, STBIR_FILTER_DEFAULT, STBIR_COLORSPACE_LINEAR, NULL);
stbir_resize_uint8_linear(input_pixels, w, h, 0, output_pixels, out_w, out_h, 0, (stbir_pixel_layout) n);
exit(0);
}
@ -188,6 +188,7 @@ int main(int argc, char** argv)
return 0;
}
#if 0
void resize_image(const char* filename, float width_percent, float height_percent, stbir_filter filter, stbir_edge edge, stbir_colorspace colorspace, const char* output_filename)
{
int w, h, n;
@ -1120,3 +1121,7 @@ void test_suite(int argc, char **argv)
resize_image("gamma_2.2.jpg", .5f, .5f, STBIR_FILTER_CATMULLROM, STBIR_EDGE_REFLECT, STBIR_COLORSPACE_SRGB, "test-output/gamma_2.2.jpg");
resize_image("gamma_dalai_lama_gray.jpg", .5f, .5f, STBIR_FILTER_CATMULLROM, STBIR_EDGE_REFLECT, STBIR_COLORSPACE_SRGB, "test-output/gamma_dalai_lama_gray.jpg");
}
#endif
void test_suite(int argc, char **argv)
{
}

2
tests/resize.dsp
View File

@ -88,7 +88,7 @@ SOURCE=.\resample_test.cpp
# End Source File
# Begin Source File
SOURCE=..\stb_image_resize.h
SOURCE=..\stb_image_resize2.h
# End Source File
# End Target
# End Project

4
tests/stb.dsp
View File

@ -130,10 +130,6 @@ SOURCE=..\stb_image.h
# End Source File
# Begin Source File
SOURCE=..\stb_image_resize.h
# End Source File
# Begin Source File
SOURCE=..\stb_image_write.h
# End Source File
# Begin Source File

5
tests/test_c_compilation.c
View File

@ -1,3 +1,6 @@
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "stb_image_resize2.h"
#define STB_SPRINTF_IMPLEMENTATION
#include "stb_sprintf.h"
@ -7,7 +10,6 @@
#define STB_DIVIDE_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION
#define STB_HERRINGBONE_WANG_TILE_IMEPLEMENTATIOn
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#define STB_RECT_PACK_IMPLEMENTATION
#define STB_VOXEL_RENDER_IMPLEMENTATION
#define STB_EASY_FONT_IMPLEMENTATION
@ -20,7 +22,6 @@
#include "stb_perlin.h"
#include "stb_c_lexer.h"
#include "stb_divide.h"
#include "stb_image_resize.h"
#include "stb_rect_pack.h"
#include "stb_dxt.h"
#include "stb_include.h"

2
tests/test_cpp_compilation.cpp
View File

@ -70,7 +70,7 @@ void my_free(void *) { }
#include "stb_leakcheck.h"
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "stb_image_resize.h"
#include "stb_image_resize2.h"
//#include "stretchy_buffer.h" // deprecating

2
tools/README.list
View File

@ -3,7 +3,7 @@ stb_hexwave.h | audio | audio waveform synthesizer
stb_image.h | graphics | image loading/decoding from file/memory: JPG, PNG, TGA, BMP, PSD, GIF, HDR, PIC
stb_truetype.h | graphics | parse, decode, and rasterize characters from truetype fonts
stb_image_write.h | graphics | image writing to disk: PNG, TGA, BMP
stb_image_resize.h | graphics | resize images larger/smaller with good quality
stb_image_resize2.h | graphics | resize images larger/smaller with good quality
stb_rect_pack.h | graphics | simple 2D rectangle packer with decent quality
stb_perlin.h | graphics | perlin's revised simplex noise w/ different seeds
stb_ds.h | utility | typesafe dynamic array and hash tables for C, will compile in C++