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68 lines
2.1 KiB
68 lines
2.1 KiB
/// @brief Include to use 3d textures. |
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/// @file gli/texture3d.hpp |
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#pragma once |
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#include "texture.hpp" |
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#include "image.hpp" |
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namespace gli |
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{ |
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/// 3d texture |
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class texture3d : public texture |
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{ |
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public: |
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typedef extent3d extent_type; |
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public: |
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/// Create an empty texture 3D |
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texture3d(); |
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/// Create a texture3d and allocate a new storage_linear |
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texture3d( |
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format_type Format, |
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extent_type const& Extent, |
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size_type Levels, |
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swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA)); |
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/// Create a texture3d and allocate a new storage_linear with a complete mipmap chain |
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texture3d( |
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format_type Format, |
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extent_type const& Extent, |
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swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA)); |
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/// Create a texture3d view with an existing storage_linear |
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explicit texture3d( |
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texture const & Texture); |
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/// Create a texture3d view with an existing storage_linear |
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texture3d( |
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texture const& Texture, |
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format_type Format, |
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size_type BaseLayer, size_type MaxLayer, |
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size_type BaseFace, size_type MaxFace, |
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size_type BaseLevel, size_type MaxLevel, |
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swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA)); |
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/// Create a texture3d view, reference a subset of an existing texture3d instance |
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texture3d( |
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texture3d const & Texture, |
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size_type BaseLevel, size_type MaxLevel); |
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/// Create a view of the image identified by Level in the mipmap chain of the texture |
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image operator[](size_type Level) const; |
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/// Return the dimensions of a texture instance: width, height and depth |
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extent_type extent(size_type Level = 0) const; |
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/// Fetch a texel from a texture. The texture format must be uncompressed. |
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template <typename gen_type> |
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gen_type load(extent_type const& TexelCoord, size_type Level) const; |
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/// Write a texel to a texture. The texture format must be uncompressed. |
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template <typename gen_type> |
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void store(extent_type const& TexelCoord, size_type Level, gen_type const& Texel); |
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}; |
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}//namespace gli |
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#include "./core/texture3d.inl"
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