mgl_d3d11_wic_texture_loader.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_D3D11_WIC_TEXTURE_LOADER_H_1616869172
#define INCGUARD_MGL_D3D11_WIC_TEXTURE_LOADER_H_1616869172
 
#include <mgl/mgl_environment.h>
#if defined(MGL_RENDERER_ENABLE_D3D11)
 
#include <mgl/platform/win32/mgl_win32_com_using.h>
#include <mgl/render/mgl_texture_loader.h>
#include <wincodec.h>
#include <atlbase.h>
 
namespace MGL::Render::D3D11
{
class WICTextureLoader : public MGL::Render::TextureLoader
{
public:
    static constexpr TextureLoaderKey kLoaderKey = MakeTextureLoaderKey("MGL-WICTextureLoader");
 
    using DecodeFunction = bool(*) (Render::TextureResource &textureResource, IWICBitmapFrameDecode *frame) noexcept;
 
    WICTextureLoader() noexcept;
 
    bool Load(Render::TextureResource &textureResource, const File::PathView &path) noexcept override;
    bool Load(Render::TextureResource &textureResource, const void *imageData, size_t dataSize) noexcept override;
 
    static bool Load32bppRGBA(Render::TextureResource &textureResource, IWICBitmapFrameDecode *frame) noexcept;
    static bool Load32bppBGRA(Render::TextureResource &textureResource, IWICBitmapFrameDecode *frame) noexcept;
 
private:
    bool Initialize() noexcept;
 
    Win32::ComUsing _comUsing;
    bool _isAvailable{false};
    CComPtr<IWICImagingFactory> _factory{nullptr};
};
 
}   // namespace MGL::Render::D3D11
 
#endif  // MGL_RENDERER_ENABLE_D3D11
#endif  // INCGUARD_MGL_D3D11_WIC_TEXTURE_LOADER_H_1616869172
 
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