obs-streamFX/source/obs/gs/gs-texture.cpp

85 lines
2.5 KiB
C++

// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2017-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END
#include "gs-texture.hpp"
static uint32_t decode_flags(streamfx::obs::gs::texture_flags texture_flags)
{
uint32_t flags = 0;
if (has(texture_flags, streamfx::obs::gs::texture_flags::Dynamic))
flags |= GS_DYNAMIC;
if (has(texture_flags, streamfx::obs::gs::texture_flags::BuildMipMaps))
flags |= GS_BUILD_MIPMAPS;
if (has(texture_flags, streamfx::obs::gs::texture_flags::Shared))
flags |= GS_SHARED_TEX;
if (has(texture_flags, streamfx::obs::gs::texture_flags::GlobalShared))
flags |= GS_SHARED_KM_TEX;
return flags;
}
streamfx::obs::gs::texture::texture(uint32_t width, uint32_t height, gs_color_format format, uint32_t mip_levels, const uint8_t** mip_data, streamfx::obs::gs::texture_flags flags)
{
_is_owner = true;
_flags = flags;
_file = std::filesystem::path();
#ifdef _DEBUG
if (width == 0)
throw std::logic_error("width must be at least 1");
if (height == 0)
throw std::logic_error("height must be at least 1");
if (mip_levels == 0)
throw std::logic_error("mip_levels must be at least 1");
if (mip_levels > 1 || ((flags & texture_flags::BuildMipMaps) == texture_flags::BuildMipMaps)) {
bool isPOT = streamfx::util::math::is_power_of_two(width) && streamfx::util::math::is_power_of_two(height);
if (!isPOT)
throw std::logic_error("Texture dimensions must be a power of two.");
}
#endif
{
auto gctx = streamfx::obs::gs::context();
_texture = gs_texture_create(width, height, format, mip_levels, mip_data, decode_flags(flags));
}
if (!_texture)
throw std::runtime_error("Failed to create texture.");
}
streamfx::obs::gs::texture::texture(std::filesystem::path file)
{
_is_owner = true;
_file = file;
_flags = texture_flags::None;
_file = std::filesystem::path();
auto gctx = streamfx::obs::gs::context();
_texture = gs_texture_create_from_file(file.generic_string().c_str());
if (!_texture)
throw std::runtime_error("Failed to load texture.");
}
streamfx::obs::gs::texture::~texture()
{
if (_is_owner && _texture) {
auto gctx = streamfx::obs::gs::context();
gs_texture_destroy(_texture);
}
_texture = nullptr;
}
static std::shared_ptr<streamfx::obs::gs::texture::pool> loader_instance;
static auto loader = streamfx::component(
"core::gs::texture",
[]() { // Initializer
loader_instance = streamfx::obs::gs::texture::pool::instance();
},
[]() { // Finalizer
loader_instance.reset();
},
{});