demotool/glm/test/external/gli/core/view.inl
2017-09-30 10:26:30 +02:00

169 lines
6.2 KiB
C++

namespace gli
{
inline image view(image const& Image)
{
return Image;
}
inline texture view(texture const& Texture)
{
return Texture;
}
template <typename texType>
inline texture view(texType const& Texture)
{
return Texture;
}
inline texture view
(
texture const& Texture,
texture::size_type BaseLayer, texture::size_type MaxLayer,
texture::size_type BaseFace, texture::size_type MaxFace,
texture::size_type BaseLevel, texture::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
GLI_ASSERT(BaseFace >= 0 && BaseFace < Texture.faces() && MaxFace >= 0 && MaxFace < Texture.faces() && BaseFace <= MaxFace);
GLI_ASSERT(BaseLayer >= 0 && BaseLayer < Texture.layers() && MaxLayer >= 0 && MaxLayer < Texture.layers() && BaseLayer <= MaxLayer);
return texture(
Texture, Texture.target(), Texture.format(),
Texture.base_layer() + BaseLayer, Texture.base_layer() + MaxLayer,
Texture.base_face() + BaseFace, Texture.base_face() + MaxFace,
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
template <typename texType>
inline texture view(texType const& Texture, format Format)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(block_size(Texture.format()) == block_size(Format));
return texture(Texture, Texture.target(), Format);
}
inline texture view
(
texture1d const& Texture,
texture1d::size_type BaseLevel, texture1d::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
return texture(
Texture, TARGET_1D, Texture.format(),
Texture.base_layer(), Texture.max_layer(),
Texture.base_face(), Texture.max_face(),
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
inline texture view
(
texture1d_array const & Texture,
texture1d_array::size_type BaseLayer, texture1d_array::size_type MaxLayer,
texture1d_array::size_type BaseLevel, texture1d_array::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
GLI_ASSERT(BaseLayer >= 0 && BaseLayer < Texture.layers() && MaxLayer >= 0 && MaxLayer < Texture.layers() && BaseLayer <= MaxLayer);
return texture(
Texture, TARGET_1D_ARRAY, Texture.format(),
Texture.base_layer() + BaseLayer, Texture.base_layer() + MaxLayer,
Texture.base_face(), Texture.max_face(),
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
inline texture view
(
texture2d const & Texture,
texture2d::size_type BaseLevel, texture2d::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
return texture(
Texture, TARGET_2D, Texture.format(),
Texture.base_layer(), Texture.max_layer(),
Texture.base_face(), Texture.max_face(),
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
inline texture view
(
texture2d_array const & Texture,
texture2d_array::size_type BaseLayer, texture2d_array::size_type MaxLayer,
texture2d_array::size_type BaseLevel, texture2d_array::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
GLI_ASSERT(BaseLayer >= 0 && BaseLayer < Texture.layers() && MaxLayer >= 0 && MaxLayer < Texture.layers() && BaseLayer <= MaxLayer);
return texture(
Texture, TARGET_2D_ARRAY, Texture.format(),
Texture.base_layer() + BaseLayer, Texture.base_layer() + MaxLayer,
Texture.base_face(), Texture.max_face(),
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
inline texture view
(
texture3d const & Texture,
texture3d::size_type BaseLevel, texture3d::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
return texture(
Texture, TARGET_3D, Texture.format(),
Texture.base_layer(), Texture.max_layer(),
Texture.base_face(), Texture.max_face(),
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
inline texture view
(
texture_cube const & Texture,
texture_cube::size_type BaseFace, texture_cube::size_type MaxFace,
texture_cube::size_type BaseLevel, texture_cube::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
GLI_ASSERT(BaseFace >= 0 && BaseFace < Texture.faces() && MaxFace >= 0 && MaxFace < Texture.faces() && BaseFace <= MaxFace);
return texture(
Texture, TARGET_CUBE, Texture.format(),
Texture.base_layer(), Texture.max_layer(),
Texture.base_face(), Texture.base_face() + MaxFace,
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
inline texture view
(
texture_cube_array const & Texture,
texture_cube_array::size_type BaseLayer, texture_cube_array::size_type MaxLayer,
texture_cube_array::size_type BaseFace, texture_cube_array::size_type MaxFace,
texture_cube_array::size_type BaseLevel, texture_cube_array::size_type MaxLevel
)
{
GLI_ASSERT(!Texture.empty());
GLI_ASSERT(BaseLevel >= 0 && BaseLevel < Texture.levels() && MaxLevel >= 0 && MaxLevel < Texture.levels() && BaseLevel <= MaxLevel);
GLI_ASSERT(BaseFace >= 0 && BaseFace < Texture.faces() && MaxFace >= 0 && MaxFace < Texture.faces() && BaseFace <= MaxFace);
GLI_ASSERT(BaseLayer >= 0 && BaseLayer < Texture.layers() && MaxLayer >= 0 && MaxLayer < Texture.layers() && BaseLayer <= MaxLayer);
return texture(
Texture, TARGET_CUBE_ARRAY, Texture.format(),
Texture.base_layer() + BaseLayer, Texture.base_layer() + MaxLayer,
Texture.base_face() + BaseFace, Texture.base_face() + MaxFace,
Texture.base_level() + BaseLevel, Texture.base_level() + MaxLevel);
}
}//namespace gli