X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Ftexture1d.h;h=efd0517d628dc168c45f1b506a2133c673dcbcec;hp=1871a17caaa4d282ae1fee19fb656c3686808029;hb=df9119a9bf2d348a513c515ed92953353da97b54;hpb=160e9eea29bd10034733d59507fa1bcca36be401 diff --git a/source/core/texture1d.h b/source/core/texture1d.h index 1871a17c..efd0517d 100644 --- a/source/core/texture1d.h +++ b/source/core/texture1d.h @@ -7,6 +7,9 @@ namespace Msp { namespace GL { +/** +One-dimensional texture, consisting of a single row of texels. +*/ class Texture1D: public Texture1DBackend { friend Texture1DBackend; @@ -20,24 +23,29 @@ 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 width = 0; + unsigned levels = 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); - void storage(PixelFormat, unsigned, unsigned = 0); + virtual void image(unsigned level, const void *); + + /** 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 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: @@ -46,7 +54,7 @@ private: public: virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; } - virtual std::uint64_t get_data_size() const; + virtual std::size_t get_data_size() const; virtual void unload() { } };