X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Ftexture1d.h;h=abe6c8879e5dbd07469bc1319e2fc2e6ac91230a;hb=e1be82a4dfce8d90358c506f65be09da4dc9d5ec;hp=d8dbb017bd6882c0a941e770e660b1dd9394be1a;hpb=6065f6622cc275dc0b20baaf7c267e71169d18f3;p=libs%2Fgl.git diff --git a/source/core/texture1d.h b/source/core/texture1d.h index d8dbb017..abe6c887 100644 --- a/source/core/texture1d.h +++ b/source/core/texture1d.h @@ -1,13 +1,19 @@ #ifndef MSP_GL_TEXTURE1D_H_ #define MSP_GL_TEXTURE1D_H_ -#include "texture.h" +#include +#include "texture1d_backend.h" namespace Msp { namespace GL { -class Texture1D: public Texture +/** +One-dimensional texture, consisting of a single row of texels. +*/ +class Texture1D: public Texture1DBackend { + friend Texture1DBackend; + public: class Loader: public DataFile::DerivedObjectLoader { @@ -17,36 +23,32 @@ public: private: void init(); - void raw_data(const std::string &); void storage(PixelFormat, unsigned); void storage_levels(PixelFormat, unsigned, unsigned); }; private: - unsigned width; - unsigned levels; - unsigned allocated; + unsigned width = 0; public: - Texture1D(); + /** Sets storage format and size and allocates memory for the texture. If + lv is zero, a complete mipmap pyramid is automatically created. Storage + cannot be changed once set. */ + void storage(PixelFormat, unsigned wd, unsigned lv = 0); + + virtual void image(unsigned level, const void *); - void storage(PixelFormat, unsigned, unsigned = 0); + /** Replaces a range of texels in the texture. Allocated storage must + exist. The image data is interpreted according to the storage format and + the range must be fully inside the selected mipmap level. */ + void sub_image(unsigned level, unsigned x, unsigned wd, const void *); - void allocate(unsigned); - void image(unsigned, const void *); - void sub_image(unsigned, int, unsigned, const void *); virtual void image(const Graphics::Image &, unsigned = 0); - using Texture::image; + unsigned get_width() const { return width; } private: - unsigned get_n_levels() const; unsigned get_level_size(unsigned) const; - -public: - virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; } - virtual std::uint64_t get_data_size() const; - virtual void unload() { } }; } // namespace GL