glm/test/external/gli/texture_cube_array.hpp

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2016-11-18 22:16:29 +00:00
/// @brief Include to use cube map array textures.
/// @file gli/texture_cube_array.hpp
#pragma once
#include "texture_cube.hpp"
namespace gli
{
/// Cube map array texture
class texture_cube_array : public texture
{
public:
typedef extent2d extent_type;
public:
/// Create an empty texture cube array
texture_cube_array();
/// Create a texture_cube_array and allocate a new storage_linear
texture_cube_array(
format_type Format,
extent_type const& Extent,
size_type Layers,
size_type Levels,
swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
/// Create a texture_cube_array and allocate a new storage_linear with a complete mipmap chain
texture_cube_array(
format_type Format,
extent_type const& Extent,
size_type Layers,
swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
/// Create a texture_cube_array view with an existing storage_linear
explicit texture_cube_array(
texture const& Texture);
/// Reference a subset of an exiting storage_linear constructor
texture_cube_array(
texture const& Texture,
format_type Format,
size_type BaseLayer, size_type MaxLayer,
size_type BaseFace, size_type MaxFace,
size_type BaseLevel, size_type MaxLevel,
swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
/// Create a texture view, reference a subset of an exiting texture_cube_array instance
texture_cube_array(
texture_cube_array const& Texture,
size_type BaseLayer, size_type MaxLayer,
size_type BaseFace, size_type MaxFace,
size_type BaseLevel, size_type MaxLevel);
/// Create a view of the texture identified by Layer in the texture array
texture_cube operator[](size_type Layer) const;
/// Return the dimensions of a texture instance: width and height where both should be equal.
extent_type extent(size_type Level = 0) const;
/// Fetch a texel from a texture. The texture format must be uncompressed.
template <typename gen_type>
gen_type load(extent_type const & TexelCoord, size_type Layer, size_type Face, size_type Level) const;
/// Write a texel to a texture. The texture format must be uncompressed.
template <typename gen_type>
void store(extent_type const& TexelCoord, size_type Layer, size_type Face, size_type Level, gen_type const& Texel);
};
}//namespace gli
#include "./core/texture_cube_array.inl"