X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Ftexture1d.cpp;h=ce5d3727fad5f260d274a4694561b77e40abf07b;hp=d6aa1a347c7e974b43397ab595d8de7b0edd3ef8;hb=HEAD;hpb=f73e671dcb36c097647cddbf5b1eaaad2ffc9299 diff --git a/source/core/texture1d.cpp b/source/core/texture1d.cpp index d6aa1a34..ce5d3727 100644 --- a/source/core/texture1d.cpp +++ b/source/core/texture1d.cpp @@ -10,7 +10,7 @@ void Texture1D::storage(PixelFormat fmt, unsigned wd, unsigned lv) { if(width>0) { - if(fmt!=format || wd!=width || (lv && lv!=levels)) + if(fmt!=format || wd!=width || (lv && lv!=n_levels)) throw incompatible_data("Texture1D::storage"); return; } @@ -19,9 +19,9 @@ void Texture1D::storage(PixelFormat fmt, unsigned wd, unsigned lv) set_format(fmt); width = wd; - levels = get_n_levels(); + n_levels = count_levels(width); if(lv) - levels = min(levels, lv); + n_levels = min(n_levels, lv); allocate(); } @@ -35,7 +35,7 @@ void Texture1D::sub_image(unsigned level, unsigned x, unsigned wd, const void *d { if(width==0) throw invalid_operation("Texture1D::sub_image"); - if(level>=levels || x>width || x+wd>width) + if(level>=n_levels || x>width || x+wd>width) throw out_of_range("Texture1D::sub_image"); Texture1DBackend::sub_image(level, x, wd, data); @@ -50,13 +50,6 @@ void Texture1D::image(const Graphics::Image &img, unsigned lv) image(0, img.get_pixels()); } -unsigned Texture1D::get_n_levels() const -{ - unsigned n = 0; - for(unsigned s=width; s; s>>=1, ++n) ; - return n; -} - unsigned Texture1D::get_level_size(unsigned level) const { return width>>level;