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410 lines
14 KiB
410 lines
14 KiB
#include <cstring> |
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namespace gli |
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{ |
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inline texture::texture() |
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: Storage(nullptr) |
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, Target(static_cast<gli::target>(TARGET_INVALID)) |
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, Format(static_cast<gli::format>(FORMAT_INVALID)) |
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, BaseLayer(0), MaxLayer(0) |
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, BaseFace(0), MaxFace(0) |
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, BaseLevel(0), MaxLevel(0) |
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, Swizzles(SWIZZLE_ZERO) |
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, Cache(cache::DEFAULT) |
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{} |
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inline texture::texture |
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( |
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target_type Target, |
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format_type Format, |
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extent_type const& Extent, |
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size_type Layers, |
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size_type Faces, |
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size_type Levels, |
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swizzles_type const& Swizzles |
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) |
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: Storage(std::make_shared<storage_type>(Format, Extent, Layers, Faces, Levels)) |
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, Target(Target) |
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, Format(Format) |
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, BaseLayer(0), MaxLayer(Layers - 1) |
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, BaseFace(0), MaxFace(Faces - 1) |
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, BaseLevel(0), MaxLevel(Levels - 1) |
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, Swizzles(Swizzles) |
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, Cache(*Storage, Format, this->base_layer(), this->layers(), this->base_face(), this->max_face(), this->base_level(), this->max_level()) |
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{ |
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GLI_ASSERT(Target != TARGET_CUBE || (Target == TARGET_CUBE && Extent.x == Extent.y)); |
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GLI_ASSERT(Target != TARGET_CUBE_ARRAY || (Target == TARGET_CUBE_ARRAY && Extent.x == Extent.y)); |
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} |
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inline texture::texture |
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( |
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texture const& Texture, |
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target_type Target, |
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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 |
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) |
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: Storage(Texture.Storage) |
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, Target(Target) |
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, Format(Format) |
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, BaseLayer(BaseLayer), MaxLayer(MaxLayer) |
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, BaseFace(BaseFace), MaxFace(MaxFace) |
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, BaseLevel(BaseLevel), MaxLevel(MaxLevel) |
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, Swizzles(Swizzles) |
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, Cache(*Storage, Format, this->base_layer(), this->layers(), this->base_face(), this->max_face(), this->base_level(), this->max_level()) |
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{ |
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GLI_ASSERT(block_size(Format) == block_size(Texture.format())); |
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GLI_ASSERT(Target != TARGET_1D || (Target == TARGET_1D && this->layers() == 1 && this->faces() == 1 && this->extent().y == 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_1D_ARRAY || (Target == TARGET_1D_ARRAY && this->layers() >= 1 && this->faces() == 1 && this->extent().y == 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_2D || (Target == TARGET_2D && this->layers() == 1 && this->faces() == 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_2D_ARRAY || (Target == TARGET_2D_ARRAY && this->layers() >= 1 && this->faces() == 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_3D || (Target == TARGET_3D && this->layers() == 1 && this->faces() == 1 && this->extent().y >= 1 && this->extent().z >= 1)); |
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GLI_ASSERT(Target != TARGET_CUBE || (Target == TARGET_CUBE && this->layers() == 1 && this->faces() >= 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_CUBE_ARRAY || (Target == TARGET_CUBE_ARRAY && this->layers() >= 1 && this->faces() >= 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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} |
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inline texture::texture |
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( |
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texture const& Texture, |
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target_type Target, |
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format_type Format, |
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swizzles_type const& Swizzles |
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) |
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: Storage(Texture.Storage) |
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, Target(Target) |
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, Format(Format) |
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, BaseLayer(Texture.base_layer()), MaxLayer(Texture.max_layer()) |
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, BaseFace(Texture.base_face()), MaxFace(Texture.max_face()) |
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, BaseLevel(Texture.base_level()), MaxLevel(Texture.max_level()) |
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, Swizzles(Swizzles) |
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, Cache(*Storage, Format, this->base_layer(), this->layers(), this->base_face(), this->max_face(), this->base_level(), this->max_level()) |
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{ |
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if(this->empty()) |
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return; |
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GLI_ASSERT(Target != TARGET_1D || (Target == TARGET_1D && this->layers() == 1 && this->faces() == 1 && this->extent().y == 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_1D_ARRAY || (Target == TARGET_1D_ARRAY && this->layers() >= 1 && this->faces() == 1 && this->extent().y == 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_2D || (Target == TARGET_2D && this->layers() == 1 && this->faces() == 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_2D_ARRAY || (Target == TARGET_2D_ARRAY && this->layers() >= 1 && this->faces() == 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_3D || (Target == TARGET_3D && this->layers() == 1 && this->faces() == 1 && this->extent().y >= 1 && this->extent().z >= 1)); |
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GLI_ASSERT(Target != TARGET_CUBE || (Target == TARGET_CUBE && this->layers() == 1 && this->faces() >= 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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GLI_ASSERT(Target != TARGET_CUBE_ARRAY || (Target == TARGET_CUBE_ARRAY && this->layers() >= 1 && this->faces() >= 1 && this->extent().y >= 1 && this->extent().z == 1)); |
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} |
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inline bool texture::empty() const |
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{ |
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if(this->Storage.get() == nullptr) |
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return true; |
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return this->Storage->empty(); |
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} |
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inline texture::format_type texture::format() const |
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{ |
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return this->Format; |
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} |
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inline texture::swizzles_type texture::swizzles() const |
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{ |
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swizzles_type const FormatSwizzle = detail::get_format_info(this->format()).Swizzles; |
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swizzles_type const CustomSwizzle = this->Swizzles; |
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swizzles_type ResultSwizzle(SWIZZLE_ZERO); |
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ResultSwizzle.r = is_channel(CustomSwizzle.r) ? FormatSwizzle[CustomSwizzle.r] : CustomSwizzle.r; |
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ResultSwizzle.g = is_channel(CustomSwizzle.g) ? FormatSwizzle[CustomSwizzle.g] : CustomSwizzle.g; |
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ResultSwizzle.b = is_channel(CustomSwizzle.b) ? FormatSwizzle[CustomSwizzle.b] : CustomSwizzle.b; |
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ResultSwizzle.a = is_channel(CustomSwizzle.a) ? FormatSwizzle[CustomSwizzle.a] : CustomSwizzle.a; |
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return ResultSwizzle; |
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} |
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inline texture::size_type texture::base_layer() const |
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{ |
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return this->BaseLayer; |
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} |
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inline texture::size_type texture::max_layer() const |
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{ |
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return this->MaxLayer; |
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} |
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inline texture::size_type texture::layers() const |
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{ |
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if(this->empty()) |
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return 0; |
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return this->max_layer() - this->base_layer() + 1; |
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} |
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inline texture::size_type texture::base_face() const |
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{ |
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return this->BaseFace; |
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} |
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inline texture::size_type texture::max_face() const |
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{ |
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return this->MaxFace; |
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} |
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inline texture::size_type texture::faces() const |
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{ |
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if(this->empty()) |
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return 0; |
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return this->max_face() - this->base_face() + 1; |
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} |
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inline texture::size_type texture::base_level() const |
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{ |
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return this->BaseLevel; |
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} |
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inline texture::size_type texture::max_level() const |
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{ |
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return this->MaxLevel; |
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} |
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inline texture::size_type texture::levels() const |
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{ |
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if(this->empty()) |
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return 0; |
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return this->max_level() - this->base_level() + 1; |
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} |
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inline texture::size_type texture::size() const |
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{ |
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GLI_ASSERT(!this->empty()); |
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return this->Cache.get_memory_size(); |
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} |
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template <typename gen_type> |
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inline texture::size_type texture::size() const |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(block_size(this->format()) == sizeof(gen_type)); |
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return this->size() / sizeof(gen_type); |
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} |
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inline texture::size_type texture::size(size_type Level) const |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(Level >= 0 && Level < this->levels()); |
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return this->Cache.get_memory_size(Level); |
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} |
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template <typename gen_type> |
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inline texture::size_type texture::size(size_type Level) const |
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{ |
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GLI_ASSERT(block_size(this->format()) == sizeof(gen_type)); |
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return this->size(Level) / sizeof(gen_type); |
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} |
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inline void* texture::data() |
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{ |
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GLI_ASSERT(!this->empty()); |
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return this->Cache.get_base_address(0, 0, 0); |
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} |
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inline void const* texture::data() const |
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{ |
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GLI_ASSERT(!this->empty()); |
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return this->Cache.get_base_address(0, 0, 0); |
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} |
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template <typename gen_type> |
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inline gen_type* texture::data() |
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{ |
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GLI_ASSERT(block_size(this->format()) >= sizeof(gen_type)); |
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return reinterpret_cast<gen_type*>(this->data()); |
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} |
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template <typename gen_type> |
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inline gen_type const* texture::data() const |
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{ |
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GLI_ASSERT(block_size(this->format()) >= sizeof(gen_type)); |
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return reinterpret_cast<gen_type const*>(this->data()); |
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} |
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inline void* texture::data(size_type Layer, size_type Face, size_type Level) |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(Layer >= 0 && Layer < this->layers() && Face >= 0 && Face < this->faces() && Level >= 0 && Level < this->levels()); |
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return this->Cache.get_base_address(Layer, Face, Level); |
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} |
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inline void const* const texture::data(size_type Layer, size_type Face, size_type Level) const |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(Layer >= 0 && Layer < this->layers() && Face >= 0 && Face < this->faces() && Level >= 0 && Level < this->levels()); |
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return this->Cache.get_base_address(Layer, Face, Level); |
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} |
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template <typename gen_type> |
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inline gen_type* texture::data(size_type Layer, size_type Face, size_type Level) |
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{ |
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GLI_ASSERT(block_size(this->format()) >= sizeof(gen_type)); |
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return reinterpret_cast<gen_type*>(this->data(Layer, Face, Level)); |
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} |
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template <typename gen_type> |
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inline gen_type const* const texture::data(size_type Layer, size_type Face, size_type Level) const |
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{ |
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GLI_ASSERT(block_size(this->format()) >= sizeof(gen_type)); |
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return reinterpret_cast<gen_type const* const>(this->data(Layer, Face, Level)); |
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} |
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inline texture::extent_type texture::extent(size_type Level) const |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(Level >= 0 && Level < this->levels()); |
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return this->Cache.get_extent(Level); |
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} |
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inline void texture::clear() |
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{ |
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GLI_ASSERT(!this->empty()); |
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memset(this->data(), 0, this->size()); |
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} |
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template <typename gen_type> |
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inline void texture::clear(gen_type const& Texel) |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(block_size(this->format()) == sizeof(gen_type)); |
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gen_type* Data = this->data<gen_type>(); |
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size_type const BlockCount = this->size<gen_type>(); |
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for(size_type BlockIndex = 0; BlockIndex < BlockCount; ++BlockIndex) |
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*(Data + BlockIndex) = Texel; |
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} |
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template <typename gen_type> |
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inline void texture::clear(size_type Layer, size_type Face, size_type Level, gen_type const& BlockData) |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(block_size(this->format()) == sizeof(gen_type)); |
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GLI_ASSERT(Layer >= 0 && Layer < this->layers() && Face >= 0 && Face < this->faces() && Level >= 0 && Level < this->levels()); |
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size_type const BlockCount = this->Storage->level_size(Level) / sizeof(gen_type); |
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gen_type* Data = this->data<gen_type>(Layer, Face, Level); |
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for(size_type BlockIndex = 0; BlockIndex < BlockCount; ++BlockIndex) |
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*(Data + BlockIndex) = BlockData; |
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} |
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template <typename gen_type> |
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inline void texture::clear |
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( |
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size_type Layer, size_type Face, size_type Level, |
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extent_type const& TexelOffset, extent_type const& TexelExtent, |
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gen_type const& BlockData |
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) |
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{ |
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storage_type::size_type const BaseOffset = this->Storage->base_offset(Layer, Face, Level); |
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storage_type::data_type* const BaseAddress = this->Storage->data() + BaseOffset; |
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extent_type BlockOffset(TexelOffset / this->Storage->block_extent()); |
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extent_type const BlockExtent(TexelExtent / this->Storage->block_extent() + BlockOffset); |
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for(; BlockOffset.z < BlockExtent.z; ++BlockOffset.z) |
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for(; BlockOffset.y < BlockExtent.y; ++BlockOffset.y) |
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for(; BlockOffset.x < BlockExtent.x; ++BlockOffset.x) |
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{ |
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gli::size_t const Offset = this->Storage->image_offset(BlockOffset, this->extent(Level)) * this->Storage->block_size(); |
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gen_type* const BlockAddress = reinterpret_cast<gen_type* const>(BaseAddress + Offset); |
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*BlockAddress = BlockData; |
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} |
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} |
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inline void texture::copy |
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( |
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texture const& TextureSrc, |
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size_t LayerSrc, size_t FaceSrc, size_t LevelSrc, |
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size_t LayerDst, size_t FaceDst, size_t LevelDst |
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) |
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{ |
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GLI_ASSERT(this->size(LevelDst) == TextureSrc.size(LevelSrc)); |
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GLI_ASSERT(LayerSrc < TextureSrc.layers()); |
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GLI_ASSERT(LayerDst < this->layers()); |
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GLI_ASSERT(FaceSrc < TextureSrc.faces()); |
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GLI_ASSERT(FaceDst < this->faces()); |
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GLI_ASSERT(LevelSrc < TextureSrc.levels()); |
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GLI_ASSERT(LevelDst < this->levels()); |
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memcpy( |
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this->data(LayerDst, FaceDst, LevelDst), |
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TextureSrc.data(LayerSrc, FaceSrc, LevelSrc), |
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this->size(LevelDst)); |
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} |
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inline void texture::copy |
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( |
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texture const& TextureSrc, |
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size_t LayerSrc, size_t FaceSrc, size_t LevelSrc, texture::extent_type const& OffsetSrc, |
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size_t LayerDst, size_t FaceDst, size_t LevelDst, texture::extent_type const& OffsetDst, |
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texture::extent_type const& Extent |
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) |
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{ |
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storage_type::extent_type const BlockExtent = this->Storage->block_extent(); |
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this->Storage->copy( |
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*TextureSrc.Storage, |
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LayerSrc, FaceSrc, LevelSrc, OffsetSrc / BlockExtent, |
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LayerSrc, FaceSrc, LevelSrc, OffsetSrc / BlockExtent, |
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Extent / BlockExtent); |
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} |
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template <typename gen_type> |
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inline void texture::swizzle(gli::swizzles const& Swizzles) |
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{ |
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for(size_type TexelIndex = 0, TexelCount = this->size<gen_type>(); TexelIndex < TexelCount; ++TexelIndex) |
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{ |
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gen_type& TexelDst = *(this->data<gen_type>() + TexelIndex); |
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gen_type const TexelSrc = TexelDst; |
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for(typename gen_type::length_type Component = 0; Component < TexelDst.length(); ++Component) |
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{ |
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GLI_ASSERT(static_cast<typename gen_type::length_type>(Swizzles[Component]) < TexelDst.length()); |
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TexelDst[Component] = TexelSrc[Swizzles[Component]]; |
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} |
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} |
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} |
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template <typename gen_type> |
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inline gen_type texture::load(extent_type const& TexelCoord, size_type Layer, size_type Face, size_type Level) const |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(!is_compressed(this->format())); |
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GLI_ASSERT(block_size(this->format()) == sizeof(gen_type)); |
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size_type const ImageOffset = this->Storage->image_offset(TexelCoord, this->extent(Level)); |
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GLI_ASSERT(ImageOffset < this->size<gen_type>(Level)); |
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return *(this->data<gen_type>(Layer, Face, Level) + ImageOffset); |
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} |
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template <typename gen_type> |
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inline void texture::store(extent_type const& TexelCoord, size_type Layer, size_type Face, size_type Level, gen_type const& Texel) |
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{ |
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GLI_ASSERT(!this->empty()); |
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GLI_ASSERT(!is_compressed(this->format())); |
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GLI_ASSERT(block_size(this->format()) == sizeof(gen_type)); |
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GLI_ASSERT(glm::all(glm::lessThan(TexelCoord, this->extent(Level)))); |
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size_type const ImageOffset = this->Storage->image_offset(TexelCoord, this->extent(Level)); |
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GLI_ASSERT(ImageOffset < this->size<gen_type>(Level)); |
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*(this->data<gen_type>(Layer, Face, Level) + ImageOffset) = Texel; |
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} |
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}//namespace gli |
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