mirror of https://github.com/etlegacy/EasyGen.git
266 lines
7.4 KiB
C++
266 lines
7.4 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include "compareB44.h"
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#include <ImfRgbaFile.h>
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#include <ImfArray.h>
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#include <string>
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#include <stdio.h>
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#include <assert.h>
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#include <ImathRandom.h>
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#include <ImfThreading.h>
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#include <IlmThread.h>
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#include "tmpDir.h"
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using namespace OPENEXR_IMF_NAMESPACE;
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using namespace std;
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using namespace IMATH_NAMESPACE;
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namespace {
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Rand32 rand1 (27);
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void
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fillPixels (Array2D<Rgba> &pixels, int w, int h)
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{
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for (int y = 0; y < h; ++y)
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{
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for (int x = 0; x < w; ++x)
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{
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Rgba &p = pixels[y][x];
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p.r = 0.5 + 0.5 * sin (0.1 * x + 0.1 * y);
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p.g = 0.5 + 0.5 * sin (0.1 * x + 0.2 * y);
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p.b = 0.5 + 0.5 * sin (0.1 * x + 0.3 * y);
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p.a = (p.r + p.b + p.g) / 3.0;
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}
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}
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}
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void
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writeReadRGBA (const char fileName[],
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int width,
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int height,
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const Array2D<Rgba> &p1,
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RgbaChannels channels,
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LineOrder lorder,
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Compression comp)
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{
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//
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// Save the selected channels of RGBA image p1; save the
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// scan lines in the specified order. Read the image back
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// from the file, and compare the data with the orignal.
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//
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cout << "channels " <<
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((channels & WRITE_R)? "R": "") <<
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((channels & WRITE_G)? "G": "") <<
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((channels & WRITE_B)? "B": "") <<
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((channels & WRITE_A)? "A": "") <<
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", line order " << lorder <<
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", compression " << comp << endl;
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Header header (width, height);
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header.lineOrder() = lorder;
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header.compression() = comp;
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{
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remove (fileName);
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RgbaOutputFile out (fileName, header, channels);
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out.setFrameBuffer (&p1[0][0], 1, width);
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int numLeft = height;
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int numWrite = 1;
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//
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// Iterate over all scanlines, and write them out in random-size chunks
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//
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while (numLeft)
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{
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numWrite = int (rand1.nextf() * numLeft + 0.5f);
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out.writePixels (numWrite);
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numLeft -= numWrite;
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}
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}
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{
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RgbaInputFile in (fileName);
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const Box2i &dw = in.dataWindow();
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int w = dw.max.x - dw.min.x + 1;
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int h = dw.max.y - dw.min.y + 1;
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int dx = dw.min.x;
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int dy = dw.min.y;
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Array2D<Rgba> p2 (h, w);
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in.setFrameBuffer (&p2[-dy][-dx], 1, w);
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in.readPixels (dw.min.y, dw.max.y);
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assert (in.displayWindow() == header.displayWindow());
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assert (in.dataWindow() == header.dataWindow());
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assert (in.pixelAspectRatio() == header.pixelAspectRatio());
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assert (in.screenWindowCenter() == header.screenWindowCenter());
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assert (in.screenWindowWidth() == header.screenWindowWidth());
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assert (in.lineOrder() == header.lineOrder());
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assert (in.compression() == header.compression());
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assert (in.channels() == channels);
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if (in.compression() == B44_COMPRESSION ||
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in.compression() == B44A_COMPRESSION)
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{
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compareB44 (w, h, p1, p2, channels);
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}
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else
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{
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for (int y = 0; y < h; ++y)
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{
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for (int x = 0; x < w; ++x)
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{
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if (channels & WRITE_R)
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assert (p2[y][x].r == p1[y][x].r);
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else
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assert (p2[y][x].r == 0);
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if (channels & WRITE_G)
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assert (p2[y][x].g == p1[y][x].g);
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else
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assert (p2[y][x].g == 0);
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if (channels & WRITE_B)
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assert (p2[y][x].b == p1[y][x].b);
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else
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assert (p2[y][x].b == 0);
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if (channels & WRITE_A)
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assert (p2[y][x].a == p1[y][x].a);
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else
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assert (p2[y][x].a == 1);
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}
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}
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}
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}
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remove (fileName);
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}
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} // namespace
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void
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testRgbaThreading ()
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{
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try
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{
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cout << "Testing setGlobalThreadCount()" << endl;
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if (!ILMTHREAD_NAMESPACE::supportsThreads ())
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{
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cout << " Threading not supported!" << endl << endl;
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return;
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}
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for (int i = 0; i < 10000; i++)
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{
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int numThreads = int (rand1.nextf() * 32 + 0.5f);
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setGlobalThreadCount (numThreads);
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if (i % 2000 == 0)
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cout << "." << flush;
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}
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cout << "\nok\n" << endl;
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cout << "Testing multi-threaded writing of scanlines\n"
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"in random-sized blocks" << endl;
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const int W = 237;
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const int H = 119;
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Array2D<Rgba> p1 (H, W);
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fillPixels (p1, W, H);
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for (int n = 0; n <= 8; n++)
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{
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int numThreads = (n * 3) % 8;
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setGlobalThreadCount (numThreads);
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cout << "number of threads: " << globalThreadCount () << endl;
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for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
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{
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for (int lorder = 0; lorder < RANDOM_Y; ++lorder)
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{
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writeReadRGBA (IMF_TMP_DIR "imf_test_rgba.exr",
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W, H, p1,
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WRITE_RGBA,
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LineOrder (lorder),
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Compression (comp));
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writeReadRGBA (IMF_TMP_DIR "imf_test_rgba.exr",
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W, H, p1,
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WRITE_RGB,
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LineOrder (lorder),
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Compression (comp));
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writeReadRGBA (IMF_TMP_DIR "imf_test_rgba.exr",
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W, H, p1,
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WRITE_A,
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LineOrder (lorder),
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Compression (comp));
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writeReadRGBA (IMF_TMP_DIR "imf_test_rgba.exr",
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W, H, p1,
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RgbaChannels (WRITE_R | WRITE_B),
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LineOrder (lorder),
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Compression (comp));
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}
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}
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}
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cout << "ok\n" << endl;
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}
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catch (const std::exception &e)
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{
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cerr << "ERROR -- caught exception: " << e.what() << endl;
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assert (false);
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}
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}
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