inline void generate_mipmaps_1d
(
texture_type & Texture, fetch_func Fetch, write_func Write,
typename texture_type::size_type BaseLayer, typename texture_type::size_type MaxLayer,
typename texture_type::size_type BaseFace, typename texture_type::size_type MaxFace,
typename texture_type::size_type BaseLevel, typename texture_type::size_type MaxLevel,
filter Min
)
{
typedef typename detail::interpolate<sampler_value_type>::type interpolate_type;
typedef typename texture_type::texelcoord_type texelcoord_type;
typedef typename texture_type::size_type size_type;
typedef typename texelcoord_type::value_type component_type;
typedef typename detail::filterBase<detail::DIMENSION_1D, texture_type, interpolate_type, samplecoord_type, fetch_func, texel_type>::filterFunc filter_func;
filter_func const Filter = detail::get_filter<filter_func, detail::DIMENSION_1D, texture_type, interpolate_type, samplecoord_type, fetch_func, texel_type, sampler_value_type>(FILTER_NEAREST, Min, false);
GLI_ASSERT(Filter);
for(size_type Layer = BaseLayer; Layer <= MaxLayer; ++Layer)
for(size_type Face = BaseFace; Face <= MaxFace; ++Face)
for(size_type Level = BaseLevel; Level < MaxLevel; ++Level)
{
texelcoord_type const& DimDst = Texture.dimensions(Level + 1);
samplecoord_type const& Scale = samplecoord_type(1) / samplecoord_type(max(DimDst - texelcoord_type(1), texelcoord_type(1)));
for(component_type i = 0; i < DimDst.x; ++i)
{
samplecoord_type const& SamplePosition(samplecoord_type(static_cast<typename samplecoord_type::value_type>(i)) * Scale);
texel_type const& Texel = Filter(Texture, Fetch, SamplePosition, Layer, Face, static_cast<sampler_value_type>(Level), texel_type(0));
Write(Texture, texelcoord_type(i), Layer, Face, Level + 1, Texel);
}
}
}
inline filter_type get_filter(filter Mip, filter Min, bool Border)
{
static filter_type Table[][FILTER_COUNT][2] =
{
{
{
nearest_mipmap_nearest<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, false>::call,
nearest_mipmap_nearest<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, true>::call
},
{
linear_mipmap_nearest<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, false>::call,
linear_mipmap_nearest<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, true>::call
}
},
{
{
nearest_mipmap_linear<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, false>::call,
nearest_mipmap_linear<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, true>::call
},
{
linear_mipmap_linear<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, false>::call,
linear_mipmap_linear<Dimensions, texture_type, interpolate_type, samplecoord_type, fetch_type, texel_type, std::numeric_limits<T>::is_iec559, true>::call
}
}
};
static_assert(sizeof(Table) / sizeof(Table[0]) == FILTER_COUNT, "GLI ERROR: 'Table' doesn't match the number of supported filters");
GLI_ASSERT(Table[Mip - FILTER_FIRST][Min - FILTER_FIRST][Border ? 1 : 0]);
return Table[Mip - FILTER_FIRST][Min - FILTER_FIRST][Border ? 1 : 0];
}
int run()
{
int Error(0);
{
gli::texture1d Texture(gli::FORMAT_RGBA8_UINT_PACK8, gli::texture1d::extent_type(2), 2);
GLI_ASSERT(!Texture.empty());
gli::image Image0 = Texture[0];
gli::image Image1 = Texture[1];
std::size_t Size0 = Image0.size();
std::size_t Size1 = Image1.size();
Error += Size0 == sizeof(glm::u8vec4) * 2 ? 0 : 1;
Error += Size1 == sizeof(glm::u8vec4) * 1 ? 0 : 1;
*Image0.data<glm::u8vec4>() = glm::u8vec4(255, 127, 0, 255);
*Image1.data<glm::u8vec4>() = glm::u8vec4(0, 127, 255, 255);
glm::u8vec4 * PointerA = Image0.data<glm::u8vec4>();
glm::u8vec4 * PointerB = Image1.data<glm::u8vec4>();
glm::u8vec4 * Pointer0 = Texture.data<glm::u8vec4>() + 0;
glm::u8vec4 * Pointer1 = Texture.data<glm::u8vec4>() + 2;
Error += PointerA == Pointer0 ? 0 : 1;
Error += PointerB == Pointer1 ? 0 : 1;
glm::u8vec4 ColorA = *Image0.data<glm::u8vec4>();
glm::u8vec4 ColorB = *Image1.data<glm::u8vec4>();
glm::u8vec4 Color0 = *Pointer0;
glm::u8vec4 Color1 = *Pointer1;
Error += ColorA == Color0 ? 0 : 1;
Error += ColorB == Color1 ? 0 : 1;
Error += glm::all(glm::equal(Color0, glm::u8vec4(255, 127, 0, 255))) ? 0 : 1;
Error += glm::all(glm::equal(Color1, glm::u8vec4(0, 127, 255, 255))) ? 0 : 1;
}
{
gli::texture Texture(gli::TARGET_2D, gli::FORMAT_RGBA8_UINT_PACK8, gli::texture::extent_type(1), 1, 1, 1);
std::size_t SizeA = Texture.size();
Error += SizeA == sizeof(glm::u8vec4) * 1 ? 0 : 1;
*Texture.data<glm::u8vec4>() = glm::u8vec4(255, 127, 0, 255);
glm::u8vec4 * Pointer0 = Texture.data<glm::u8vec4>() + 0;;
glm::u8vec4 Color0 = *Pointer0;
Error += glm::all(glm::equal(Color0, glm::u8vec4(255, 127, 0, 255))) ? 0 : 1;
}
return Error;
}
int test(params const & Params)
{
int Error(0);
gli::texture2D TextureA(gli::load_dds(path(Params.Filename.c_str())));
Error += TextureA.format() == Params.Format ? 0 : 1;
GLI_ASSERT(!Error);
gli::save_dds(TextureA, Params.Filename.c_str());
gli::texture2D TextureB(gli::load_dds(Params.Filename.c_str()));
Error += TextureB.format() == Params.Format ? 0 : 1;
GLI_ASSERT(!Error);
Error += TextureA == TextureB ? 0 : 1;
GLI_ASSERT(!Error);
return Error;
}
int test_texture3d_access()
{
int Error(0);
{
glm::u8vec4 const Orange(255, 127, 0, 255);
gli::image Image(gli::FORMAT_RGBA8_UINT_PACK8, gli::image::extent_type(2));
gli::texture3d Texture(gli::FORMAT_RGBA8_UINT_PACK8, gli::texture3d::extent_type(2), gli::texture3d::size_type(1));
Error += Image.size() == Texture.size() ? 0 : 1;
}
{
gli::texture3d Texture(
gli::FORMAT_RGBA8_UINT_PACK8,
gli::texture3d::extent_type(2),
gli::texture3d::size_type(2));
GLI_ASSERT(!Texture.empty());
gli::image Image0 = Texture[0];
gli::image Image1 = Texture[1];
std::size_t Size0 = Image0.size();
std::size_t Size1 = Image1.size();
Error += Size0 == sizeof(glm::u8vec4) * 8 ? 0 : 1;
Error += Size1 == sizeof(glm::u8vec4) * 1 ? 0 : 1;
*Image0.data<glm::u8vec4>() = glm::u8vec4(255, 127, 0, 255);
*Image1.data<glm::u8vec4>() = glm::u8vec4(0, 127, 255, 255);
glm::u8vec4 * PointerA = Image0.data<glm::u8vec4>();
glm::u8vec4 * PointerB = Image1.data<glm::u8vec4>();
glm::u8vec4 * Pointer0 = Texture.data<glm::u8vec4>() + 0;
glm::u8vec4 * Pointer1 = Texture.data<glm::u8vec4>() + 8;
Error += PointerA == Pointer0 ? 0 : 1;
Error += PointerB == Pointer1 ? 0 : 1;
glm::u8vec4 ColorA = *Image0.data<glm::u8vec4>();
glm::u8vec4 ColorB = *Image1.data<glm::u8vec4>();
glm::u8vec4 Color0 = *Pointer0;
glm::u8vec4 Color1 = *Pointer1;
Error += ColorA == Color0 ? 0 : 1;
Error += ColorB == Color1 ? 0 : 1;
Error += glm::all(glm::equal(Color0, glm::u8vec4(255, 127, 0, 255))) ? 0 : 1;
Error += glm::all(glm::equal(Color1, glm::u8vec4(0, 127, 255, 255))) ? 0 : 1;
}
return Error;
}
int test(std::vector<char> const & Data, params const & Params)
{
int Error(0);
gli::texture2D TextureA(gli::load_dds(&Data[0], Data.size()));
Error += TextureA.format() == Params.Format ? 0 : 1;
GLI_ASSERT(!Error);
std::vector<char> Memory;
gli::save_dds(TextureA, Memory);
gli::texture2D TextureB(gli::load_dds(&Memory[0], Memory.size()));
Error += TextureB.format() == Params.Format ? 0 : 1;
GLI_ASSERT(!Error);
Error += TextureA == TextureB ? 0 : 1;
GLI_ASSERT(!Error);
return Error;
}
int test_texture3d_size()
{
int Error(0);
std::vector<test> Tests;
Tests.push_back(test(gli::FORMAT_RGBA8_UINT_PACK8, gli::texture3d::extent_type(4), 256));
Tests.push_back(test(gli::FORMAT_R8_UINT_PACK8, gli::texture3d::extent_type(4), 64));
Tests.push_back(test(gli::FORMAT_RGBA_DXT1_UNORM_BLOCK8, gli::texture3d::extent_type(4), 32));
Tests.push_back(test(gli::FORMAT_RGBA_DXT1_UNORM_BLOCK8, gli::texture3d::extent_type(2), 32));
Tests.push_back(test(gli::FORMAT_RGBA_DXT1_UNORM_BLOCK8, gli::texture3d::extent_type(1), 32));
Tests.push_back(test(gli::FORMAT_RGBA_DXT5_UNORM_BLOCK16, gli::texture3d::extent_type(4), 64));
for(std::size_t i = 0; i < Tests.size(); ++i)
{
gli::texture3d Texture(
Tests[i].Format,
gli::texture3d::extent_type(4),
1);
Error += Texture.size() == Tests[i].Size ? 0 : 1;
GLI_ASSERT(!Error);
}
for(std::size_t i = 0; i < Tests.size(); ++i)
{
gli::texture3d Texture(
Tests[i].Format,
gli::texture3d::extent_type(4),
1);
gli::image Image = Texture[0];
Error += Image.size() == Tests[i].Size ? 0 : 1;
GLI_ASSERT(!Error);
}
return Error;
}
int test()
{
int Error(0);
gli::texture2d TextureA(gli::load(path("kueken7_rgba16_sfloat.ktx")));
GLI_ASSERT(!TextureA.empty());
gli::texture2d Convert = gli::convert(TextureA, gli::FORMAT_RG11B10_UFLOAT_PACK32);
gli::save(Convert, "kueken7_rg11b10_ufloat.dds");
gli::save(Convert, "kueken7_rg11b10_ufloat.ktx");
gli::texture2d TextureDDS(gli::load("kueken7_rg11b10_ufloat.dds"));
GLI_ASSERT(!TextureDDS.empty());
gli::texture2d TextureKTX(gli::load("kueken7_rg11b10_ufloat.ktx"));
GLI_ASSERT(!TextureKTX.empty());
Error += TextureDDS == TextureKTX ? 0 : 1;
Error += TextureDDS == Convert ? 0 : 1;
GLI_ASSERT(!Error);
return Error;
}
int main()
{
int Error(0);
Error += swizzle::run();
Error += texture1d::run();
Error += texture1d_array::run();
Error += texture2d::run();
Error += texture2d_array::run();
Error += texture3d::run();
Error += texture_cube::run();
Error += texture_cube_array::run();
GLI_ASSERT(!Error);
return Error;
}
int run()
{
int Error(0);
std::vector<test> Tests;
Tests.push_back(test(gli::FORMAT_RGBA8_UINT_PACK8, gli::texture::extent_type(1), 4));
Tests.push_back(test(gli::FORMAT_R8_UINT_PACK8, gli::texture::extent_type(1), 1));
for(std::size_t i = 0; i < Tests.size(); ++i)
{
gli::texture Texture(
gli::TARGET_2D,
Tests[i].Format,
gli::texture::extent_type(1),
gli::texture::size_type(1),
gli::texture::size_type(1),
gli::texture::size_type(1));
Error += Texture.size() == Tests[i].Size ? 0 : 1;
GLI_ASSERT(!Error);
}
return Error;
}
inline size_t linear_index(tvec3<T, P> const & Coord, tvec3<T, P> const & Dimensions)
{
GLI_ASSERT(glm::all(glm::lessThan(Coord, Dimensions)));
return static_cast<size_t>(Coord.x + Coord.y * Dimensions.x + Coord.z * Dimensions.x * Dimensions.y);
}
