77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
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#include <gli/transform.hpp>
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namespace
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{
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gli::u8vec4 average(gli::u8vec4 const & A, gli::u8vec4 const & B)
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{
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return gli::u8vec4((gli::uvec4(A) + gli::uvec4(B)) / gli::uvec4(2));
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}
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}//namespace
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namespace transform
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{
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template <typename texture_type>
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int test()
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{
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int Error = 0;
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texture_type TextureA(gli::FORMAT_RGBA8_UNORM_PACK8, typename texture_type::extent_type(4));
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TextureA.clear(gli::u8vec4(255, 127, 0, 255));
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texture_type TextureB(gli::FORMAT_RGBA8_UNORM_PACK8, typename texture_type::extent_type(4));
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TextureB.clear(gli::u8vec4(255, 127, 64, 192));
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texture_type TextureO(gli::FORMAT_RGBA8_UNORM_PACK8, typename texture_type::extent_type(4));
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gli::transform<gli::u8vec4>(TextureO, TextureA, TextureB, average);
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gli::u8vec4 const * const data = TextureO.template data<gli::u8vec4>();
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for(gli::texture1d::size_type TexelIndex = 0, TexelCount = TextureO.template size<gli::u8vec4>(); TexelIndex < TexelCount; ++TexelIndex)
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{
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Error += *(data + TexelIndex) == gli::u8vec4(255, 127, 32, 223) ? 0 : 1;
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GLI_ASSERT(!Error);
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}
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return Error;
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}
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}//namespace transform
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namespace transform_array
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{
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template <typename texture_type>
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int test()
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{
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int Error = 0;
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texture_type TextureA(gli::FORMAT_RGBA8_UNORM_PACK8, typename texture_type::extent_type(4), 2);
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TextureA.clear(gli::u8vec4(255, 127, 0, 255));
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texture_type TextureB(gli::FORMAT_RGBA8_UNORM_PACK8, typename texture_type::extent_type(4), 2);
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TextureB.clear(gli::u8vec4(255, 127, 64, 192));
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texture_type TextureO(gli::FORMAT_RGBA8_UNORM_PACK8, typename texture_type::extent_type(4), 2);
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gli::transform<gli::u8vec4>(TextureO, TextureA, TextureB, average);
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gli::u8vec4 const * const data = TextureO.template data<gli::u8vec4>();
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for(typename texture_type::size_type TexelIndex = 0, TexelCount = TextureO.template size<gli::u8vec4>(); TexelIndex < TexelCount; ++TexelIndex)
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{
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Error += *(data + TexelIndex) == gli::u8vec4(255, 127, 32, 223) ? 0 : 1;
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GLI_ASSERT(!Error);
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}
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return Error;
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}
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}//namespace transform_array
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int main()
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{
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int Error = 0;
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Error += transform::test<gli::texture1d>();
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Error += transform_array::test<gli::texture1d_array>();
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Error += transform::test<gli::texture2d>();
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Error += transform_array::test<gli::texture2d_array>();
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Error += transform::test<gli::texture3d>();
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Error += transform::test<gli::texture_cube>();
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Error += transform_array::test<gli::texture_cube_array>();
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return Error;
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}
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