drewcassidy/nvidia-texture-tools
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Modify stress test to compress a list of real images.

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This commit is contained in:
castano
2008-11-21 07:38:12 +00:00
parent 5fa27adfcd
commit 1813624992
3 changed files with 186 additions and 165 deletions
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312
src/nvtt/tests/stress.cpp
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@ -22,54 +22,74 @@
// OTHER DEALINGS IN THE SOFTWARE.
#include <nvtt/nvtt.h>
#include <nvimage/Image.h>
#include <nvimage/BlockDXT.h>
#include <nvimage/ColorBlock.h>
#include <nvcore/Ptr.h>
#include <nvcore/Debug.h>
#include <stdio.h> // printf
#include <stdlib.h> // rand
#include <stdlib.h> // free
#include <string.h> // memcpy
#include <time.h> // clock
#include <string.h> // memcpy, memcmp
#include <assert.h>
#define FRAME_COUNT 1000
/*
#include <stdio.h> // printf
*/
#define WIDTH 2048
#define HEIGHT 2048
#define INPUT_SIZE (WIDTH*HEIGHT)
#define OUTPUT_SIZE (WIDTH*HEIGHT/16*4)
using namespace nv;
static const char * s_fileNames[] = {
"kodim01.png",
"kodim02.png",
"kodim03.png",
"kodim04.png",
"kodim05.png",
"kodim06.png",
"kodim07.png",
"kodim08.png",
"kodim09.png",
"kodim10.png",
"kodim11.png",
"kodim12.png",
"kodim13.png",
"kodim14.png",
"kodim15.png",
"kodim16.png",
"kodim17.png",
"kodim18.png",
"kodim19.png",
"kodim20.png",
"kodim21.png",
"kodim22.png",
"kodim23.png",
"kodim24.png",
"clegg.tif",
"frymire.tif",
"lena.tif",
"monarch.tif",
"sail.tif",
"serrano.tif",
"tulips.tif",
};
const int s_fileCount = sizeof(s_fileNames)/sizeof(s_fileNames[0]);
static int s_input[INPUT_SIZE];
static int s_reference[OUTPUT_SIZE];
static int s_output[OUTPUT_SIZE];
static int s_frame = 0;
struct MyOutputHandler : public nvtt::OutputHandler
{
MyOutputHandler() : m_ptr(NULL) {}
MyOutputHandler() : m_data(NULL), m_ptr(NULL) {}
~MyOutputHandler()
{
free(m_data);
}
virtual void beginImage(int size, int width, int height, int depth, int face, int miplevel)
{
assert(size <= sizeof(int) * OUTPUT_SIZE);
assert(width == WIDTH);
assert(height == HEIGHT);
assert(depth == 1);
assert(face == 0);
assert(miplevel == 0);
m_ptr = (unsigned char *)s_output;
if (s_frame == 1)
{
// Save first result as reference.
memcpy(s_reference, s_output, sizeof(int) * OUTPUT_SIZE);
}
else if (s_frame > 1)
{
// Compare against reference.
if (memcmp(s_output, s_reference, sizeof(int) * OUTPUT_SIZE) != 0)
{
printf("Compressed image different to original.\n");
exit(EXIT_FAILURE);
}
}
m_size = size;
m_width = width;
m_height = height;
free(m_data);
m_data = (unsigned char *)malloc(size);
m_ptr = m_data;
}
virtual bool writeData(const void * data, int size)
@ -79,146 +99,140 @@ struct MyOutputHandler : public nvtt::OutputHandler
return true;
}
unsigned char * m_ptr;
Image * decompress(nvtt::Format format)
{
int bw = (m_width + 3) / 4;
int bh = (m_width + 3) / 4;
AutoPtr<Image> img( new Image() );
img->allocate(m_width, m_height);
if (format == nvtt::Format_BC1)
{
BlockDXT1 * block = (BlockDXT1 *)m_data;
for (int y = 0; y < bh; y++)
{
for (int x = 0; x < bw; x++)
{
ColorBlock colors;
block->decodeBlock(&colors);
for (int yy = 0; yy < 4; yy++)
{
for (int xx = 0; xx < 4; xx++)
{
Color32 c = colors.color(xx, yy);
if (x * 4 + xx < m_width && y * 4 + yy < m_height)
{
img->pixel(x * 4 + xx, y * 4 + yy) = c;
}
}
}
block++;
}
}
}
return img.release();
}
int m_size;
int m_width;
int m_height;
unsigned char * m_data;
unsigned char * m_ptr;
};
void precomp()
float rmsError(const Image * a, const Image * b)
{
unsigned int bitmaps[1024];
nvCheck(a != NULL);
nvCheck(b != NULL);
nvCheck(a->width() == b->width());
nvCheck(a->height() == b->height());
int num = 0;
float mse = 0;
printf("const static uint s_bitmapTableCTX[704] =\n{\n");
const uint count = a->width() * b->width();
for (int a = 1; a <= 15; a++)
{
for (int b = a; b <= 15; b++)
{
for (int c = b; c <= 15; c++)
{
int indices[16];
for (uint i = 0; i < count; i++)
{
Color32 c0 = a->pixel(i);
Color32 c1 = b->pixel(i);
int i = 0;
for(; i < a; i++) {
indices[i] = 0;
}
for(; i < a+b; i++) {
indices[i] = 2;
}
for(; i < a+b+c; i++) {
indices[i] = 3;
}
for(; i < 16; i++) {
indices[i] = 1;
}
int r = c0.r - c1.r;
int g = c0.g - c1.g;
int b = c0.b - c1.b;
//int a = c0.a - c1.a;
unsigned int bm = 0;
for(i = 0; i < 16; i++) {
bm |= indices[i] << (i * 2);
}
mse += r * r;
mse += g * g;
mse += b * b;
}
printf("\t0x%8X, // %d %d %d %d\n", bm, a-0, b-a, c-b, 16-c);
mse /= count * 3;
bitmaps[num] = bm;
num++;
}
}
}
// Align to 32: 680 -> 704
while (num < 704)
{
printf("\t0x80000000,\n");
bitmaps[num] = 0x80000000; // 15 0 0 1;
num++;
}
printf("}; // num = %d\n", num);
/*
for( int i = imax; i >= 0; --i )
{
// second cluster [i,j) is one third along
for( int m = i; m < 16; ++m )
{
indices[m] = 2;
}
const int jmax = ( i == 0 ) ? 15 : 16;
for( int j = jmax; j >= i; --j )
{
// third cluster [j,k) is two thirds along
for( int m = j; m < 16; ++m )
{
indices[m] = 3;
}
int kmax = ( j == 0 ) ? 15 : 16;
for( int k = kmax; k >= j; --k )
{
// last cluster [k,n) is at the end
if( k < 16 )
{
indices[k] = 1;
}
uint bitmap = 0;
bool hasThree = false;
for(int p = 0; p < 16; p++) {
bitmap |= indices[p] << (p * 2);
}
bitmaps[num] = bitmap;
num++;
}
}
}
*/
return sqrtf(mse);
}
int main(int argc, char *argv[])
{
// precomp();
nvtt::InputOptions inputOptions;
inputOptions.setMipmapGeneration(false);
nvtt::InputOptions inputOptions;
inputOptions.setTextureLayout(nvtt::TextureType_2D, WIDTH, HEIGHT);
nvtt::CompressionOptions compressionOptions;
compressionOptions.setFormat(nvtt::Format_BC1);
compressionOptions.setQuality(nvtt::Quality_Production);
for (int i = 0; i < INPUT_SIZE; i++)
{
s_input[i] = rand();
}
inputOptions.setMipmapData(s_input, WIDTH, HEIGHT);
inputOptions.setMipmapGeneration(false);
nvtt::CompressionOptions compressionOptions;
// compressionOptions.setFormat(nvtt::Format_DXT3);
// compressionOptions.setFormat(nvtt::Format_DXT1n);
// compressionOptions.setFormat(nvtt::Format_CTX1);
nvtt::OutputOptions outputOptions;
outputOptions.setOutputHeader(false);
outputOptions.setOutputHeader(false);
MyOutputHandler outputHandler;
outputOptions.setOutputHandler(&outputHandler);
nvtt::Compressor compressor;
compressor.enableCudaAcceleration(false);
nvtt::Compressor compressor;
// compressor.enableCudaAcceleration(false);
float totalRMS = 0;
for (int i = 0; i < s_fileCount; i++)
{
AutoPtr<Image> img( new Image() );
if (!img->load(s_fileNames[i]))
{
printf("Input image '%s' not found.\n", s_fileNames[i]);
return EXIT_FAILURE;
}
inputOptions.setTextureLayout(nvtt::TextureType_2D, img->width(), img->height());
inputOptions.setMipmapData(img->pixels(), img->width(), img->height());
printf("Compressing: '%s'\n", s_fileNames[i]);
for (s_frame = 0; s_frame < FRAME_COUNT; s_frame++)
{
clock_t start = clock();
printf("compressing frame %d:\n", s_frame);
compressor.process(inputOptions, compressionOptions, outputOptions);
clock_t end = clock();
printf("time taken: %.3f seconds\n", float(end-start) / CLOCKS_PER_SEC);
}
printf(" Time taken: %.3f seconds\n", float(end-start) / CLOCKS_PER_SEC);
AutoPtr<Image> img_out( outputHandler.decompress(nvtt::Format_BC1) );
float rms = rmsError(img.ptr(), img_out.ptr());
totalRMS += rms;
printf(" RMS: %.4f\n", rms);
}
totalRMS /= s_fileCount;
printf("Average Results:\n");
printf(" RMS: %.4f\n", totalRMS);
return EXIT_SUCCESS;
}