summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/glm/test/external/gli/texture.hpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/glm/test/external/gli/texture.hpp')
-rw-r--r--3rdparty/glm/test/external/gli/texture.hpp297
1 files changed, 0 insertions, 297 deletions
diff --git a/3rdparty/glm/test/external/gli/texture.hpp b/3rdparty/glm/test/external/gli/texture.hpp
deleted file mode 100644
index ed8349f57f0..00000000000
--- a/3rdparty/glm/test/external/gli/texture.hpp
+++ /dev/null
@@ -1,297 +0,0 @@
-/// @brief Include to use generic textures which can represent any texture target but they don't have target specific built-in caches making accesses slower.
-/// @file gli/texture.hpp
-
-#pragma once
-
-#include "image.hpp"
-#include "target.hpp"
-#include "levels.hpp"
-#include <array>
-
-namespace gli
-{
- /// Genetic texture class. It can support any target.
- class texture
- {
- public:
- typedef size_t size_type;
- typedef gli::target target_type;
- typedef gli::format format_type;
- typedef gli::swizzles swizzles_type;
- typedef storage_linear storage_type;
- typedef storage_type::data_type data_type;
- typedef storage_type::extent_type extent_type;
-
- /// Create an empty texture instance
- texture();
-
- /// Create a texture object and allocate a texture storage for it
- /// @param Target Type/Shape of the texture storage_linear
- /// @param Format Texel format
- /// @param Extent Size of the texture: width, height and depth.
- /// @param Layers Number of one-dimensional or two-dimensional images of identical size and format
- /// @param Faces 6 for cube map textures otherwise 1.
- /// @param Levels Number of images in the texture mipmap chain.
- /// @param Swizzles A mechanism to swizzle the components of a texture before they are applied according to the texture environment.
- texture(
- target_type Target,
- format_type Format,
- extent_type const& Extent,
- size_type Layers,
- size_type Faces,
- size_type Levels,
- swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
-
- /// Create a texture object by sharing an existing texture storage_type from another texture instance.
- /// This texture object is effectively a texture view where the layer, the face and the level allows identifying
- /// a specific subset of the texture storage_linear source.
- /// This texture object is effectively a texture view where the target and format can be reinterpreted
- /// with a different compatible texture target and texture format.
- texture(
- texture const& Texture,
- target_type Target,
- 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 object by sharing an existing texture storage_type from another texture instance.
- /// This texture object is effectively a texture view where the target and format can be reinterpreted
- /// with a different compatible texture target and texture format.
- texture(
- texture const& Texture,
- target_type Target,
- format_type Format,
- swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
-
- virtual ~texture(){}
-
- /// Return whether the texture instance is empty, no storage_type or description have been assigned to the instance.
- bool empty() const;
-
- /// Return the target of a texture instance.
- target_type target() const{return this->Target;}
-
- /// Return the texture instance format
- format_type format() const;
-
- swizzles_type swizzles() const;
-
- /// Return the base layer of the texture instance, effectively a memory offset in the actual texture storage_type to identify where to start reading the layers.
- size_type base_layer() const;
-
- /// Return the max layer of the texture instance, effectively a memory offset to the beginning of the last layer in the actual texture storage_type that the texture instance can access.
- size_type max_layer() const;
-
- /// Return max_layer() - base_layer() + 1
- size_type layers() const;
-
- /// Return the base face of the texture instance, effectively a memory offset in the actual texture storage_type to identify where to start reading the faces.
- size_type base_face() const;
-
- /// Return the max face of the texture instance, effectively a memory offset to the beginning of the last face in the actual texture storage_type that the texture instance can access.
- size_type max_face() const;
-
- /// Return max_face() - base_face() + 1
- size_type faces() const;
-
- /// Return the base level of the texture instance, effectively a memory offset in the actual texture storage_type to identify where to start reading the levels.
- size_type base_level() const;
-
- /// Return the max level of the texture instance, effectively a memory offset to the beginning of the last level in the actual texture storage_type that the texture instance can access.
- size_type max_level() const;
-
- /// Return max_level() - base_level() + 1.
- size_type levels() const;
-
- /// Return the size of a texture instance: width, height and depth.
- extent_type extent(size_type Level = 0) const;
-
- /// Return the memory size of a texture instance storage_type in bytes.
- size_type size() const;
-
- /// Return the number of blocks contained in a texture instance storage_type.
- /// genType size must match the block size conresponding to the texture format.
- template <typename genType>
- size_type size() const;
-
- /// Return the memory size of a specific level identified by Level.
- size_type size(size_type Level) const;
-
- /// Return the memory size of a specific level identified by Level.
- /// genType size must match the block size conresponding to the texture format.
- template <typename gen_type>
- size_type size(size_type Level) const;
-
- /// Return a pointer to the beginning of the texture instance data.
- void* data();
-
- /// Return a pointer of type genType which size must match the texture format block size
- template <typename gen_type>
- gen_type* data();
-
- /// Return a pointer to the beginning of the texture instance data.
- void const* data() const;
-
- /// Return a pointer of type genType which size must match the texture format block size
- template <typename gen_type>
- gen_type const* data() const;
-
- /// Return a pointer to the beginning of the texture instance data.
- void* data(size_type Layer, size_type Face, size_type Level);
-
- /// Return a pointer to the beginning of the texture instance data.
- void const* const data(size_type Layer, size_type Face, size_type Level) const;
-
- /// Return a pointer of type genType which size must match the texture format block size
- template <typename gen_type>
- gen_type* data(size_type Layer, size_type Face, size_type Level);
-
- /// Return a pointer of type genType which size must match the texture format block size
- template <typename gen_type>
- gen_type const* const data(size_type Layer, size_type Face, size_type Level) const;
-
- /// Clear the entire texture storage_linear with zeros
- void clear();
-
- /// Clear the entire texture storage_linear with Texel which type must match the texture storage_linear format block size
- /// If the type of gen_type doesn't match the type of the texture format, no conversion is performed and the data will be reinterpreted as if is was of the texture format.
- template <typename gen_type>
- void clear(gen_type const& Texel);
-
- /// Clear a specific image of a texture.
- template <typename gen_type>
- void clear(size_type Layer, size_type Face, size_type Level, gen_type const& BlockData);
-
- /// Clear a subset of a specific image of a texture.
- template <typename gen_type>
- void clear(size_type Layer, size_type Face, size_type Level, extent_type const& TexelOffset, extent_type const& TexelExtent, gen_type const& BlockData);
-
- /// Copy a specific image of a texture
- void copy(
- texture const& TextureSrc,
- size_t LayerSrc, size_t FaceSrc, size_t LevelSrc,
- size_t LayerDst, size_t FaceDst, size_t LevelDst);
-
- /// Copy a subset of a specific image of a texture
- void copy(
- texture const& TextureSrc,
- size_t LayerSrc, size_t FaceSrc, size_t LevelSrc, extent_type const& OffsetSrc,
- size_t LayerDst, size_t FaceDst, size_t LevelDst, extent_type const& OffsetDst,
- extent_type const& Extent);
-
- /// Reorder the component in texture memory.
- template <typename gen_type>
- void swizzle(gli::swizzles const& Swizzles);
-
- /// 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);
-
- protected:
- std::shared_ptr<storage_type> Storage;
- target_type Target;
- format_type Format;
- size_type BaseLayer;
- size_type MaxLayer;
- size_type BaseFace;
- size_type MaxFace;
- size_type BaseLevel;
- size_type MaxLevel;
- swizzles_type Swizzles;
-
- // Pre compute at texture instance creation some information for faster access to texels
- struct cache
- {
- public:
- enum ctor
- {
- DEFAULT
- };
-
- explicit cache(ctor)
- {}
-
- cache
- (
- storage_type& Storage,
- format_type Format,
- size_type BaseLayer, size_type Layers,
- size_type BaseFace, size_type MaxFace,
- size_type BaseLevel, size_type MaxLevel
- )
- : Faces(MaxFace - BaseFace + 1)
- , Levels(MaxLevel - BaseLevel + 1)
- {
- GLI_ASSERT(static_cast<size_t>(gli::levels(Storage.extent(0))) < this->ImageMemorySize.size());
-
- this->BaseAddresses.resize(Layers * this->Faces * this->Levels);
-
- for(size_type Layer = 0; Layer < Layers; ++Layer)
- for(size_type Face = 0; Face < this->Faces; ++Face)
- for(size_type Level = 0; Level < this->Levels; ++Level)
- {
- size_type const Index = index_cache(Layer, Face, Level);
- this->BaseAddresses[Index] = Storage.data() + Storage.base_offset(
- BaseLayer + Layer, BaseFace + Face, BaseLevel + Level);
- }
-
- for(size_type Level = 0; Level < this->Levels; ++Level)
- {
- extent_type const& SrcExtent = Storage.extent(BaseLevel + Level);
- extent_type const& DstExtent = SrcExtent * block_extent(Format) / Storage.block_extent();
-
- this->ImageExtent[Level] = glm::max(DstExtent, extent_type(1));
- this->ImageMemorySize[Level] = Storage.level_size(BaseLevel + Level);
- }
-
- this->GlobalMemorySize = Storage.layer_size(BaseFace, MaxFace, BaseLevel, MaxLevel) * Layers;
- }
-
- // Base addresses of each images of a texture.
- data_type* get_base_address(size_type Layer, size_type Face, size_type Level) const
- {
- return this->BaseAddresses[index_cache(Layer, Face, Level)];
- }
-
- // In texels
- extent_type get_extent(size_type Level) const
- {
- return this->ImageExtent[Level];
- };
-
- // In bytes
- size_type get_memory_size(size_type Level) const
- {
- return this->ImageMemorySize[Level];
- };
-
- // In bytes
- size_type get_memory_size() const
- {
- return this->GlobalMemorySize;
- };
-
- private:
- size_type index_cache(size_type Layer, size_type Face, size_type Level) const
- {
- return ((Layer * this->Faces) + Face) * this->Levels + Level;
- }
-
- size_type Faces;
- size_type Levels;
- std::vector<data_type*> BaseAddresses;
- std::array<extent_type, 16> ImageExtent;
- std::array<size_type, 16> ImageMemorySize;
- size_type GlobalMemorySize;
- } Cache;
- };
-}//namespace gli
-
-#include "./core/texture.inl"
-