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57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
#include <boost/test/unit_test.hpp>
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#include <render/TextureAtlas.hpp>
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/*BOOST_AUTO_TEST_SUITE(TextureAtlasTests)
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BOOST_AUTO_TEST_CASE(atlas_fill_test)
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{
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TextureAtlas atlas(16, 16);
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size_t dim = 16;
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BOOST_CHECK( atlas.canPack(&dim, &dim, 1) );
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float s, t, w, h;
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atlas.packTexture(nullptr, dim, dim, s, t, w, h);
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BOOST_CHECK( s == 0.f );
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BOOST_CHECK( t == 0.f );
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BOOST_CHECK( w == 1.f );
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BOOST_CHECK( h == 1.f );
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BOOST_CHECK( atlas.canPack(&dim, &dim, 1) == false );
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}
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BOOST_AUTO_TEST_CASE(atlas_pack_test)
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{
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TextureAtlas atlas(4, 4);
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size_t dim = 1;
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uint8_t pixels[] = { 0xFF, 0x00, 0x00, 0xFF,
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0x00, 0xFF, 0x00, 0xFF,
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0x00, 0x00, 0xFF, 0xFF,
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0x00, 0x00, 0x00, 0xFF };
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float s, t, w, h;
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atlas.packTexture(pixels+0, dim, dim, s, t, w, h);
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BOOST_CHECK( s == 0.f && t == 0.f && w == 0.25f && h == 0.25f );
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atlas.packTexture(pixels+4, dim, dim, s, t, w, h);
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BOOST_CHECK( s == 0.25f && t == 0.f && w == 0.25f && h == 0.25f );
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atlas.packTexture(pixels+8, dim, dim, s, t, w, h);
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BOOST_CHECK( s == 0.5f && t == 0.f && w == 0.25f && h == 0.25f );
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atlas.packTexture(pixels+12, dim, dim, s, t, w, h);
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BOOST_CHECK( s == 0.75f && t == 0.f && w == 0.25f && h == 0.25f );
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BOOST_CHECK( atlas.canPack(&dim, &dim, 1) == true );
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uint8_t outPixels[4*4*4];
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glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, outPixels);
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for(size_t p = 0; p < 16; ++p) {
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BOOST_CHECK(outPixels[p] == pixels[p]);
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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*/ |