X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexture3d.cpp;h=5b33c3c6e1ef9153b68a654586dc37c42b1da7d6;hp=7c4b04469d23a0b17961543cf34ff9e21688977a;hb=HEAD;hpb=8ed377139d48a6fc39eeed9f3494bbe41aed4107 diff --git a/source/texture3d.cpp b/source/texture3d.cpp deleted file mode 100644 index 7c4b0446..00000000 --- a/source/texture3d.cpp +++ /dev/null @@ -1,263 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include "bindable.h" -#include "error.h" -#include "pixelstore.h" -#include "texture3d.h" - -using namespace std; - -namespace Msp { -namespace GL { - -Texture3D::Texture3D(GLenum t): - Texture(t), - width(0), - height(0), - depth(0), - allocated(0) -{ } - -Texture3D::Texture3D(): - Texture(GL_TEXTURE_3D), - width(0), - height(0), - depth(0), - allocated(0) -{ - static Require _req(EXT_texture3D); -} - -void Texture3D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned dp, unsigned lv) -{ - if(width>0) - throw invalid_operation("Texture3D::storage"); - if(wd==0 || ht==0 || dp==0) - throw invalid_argument("Texture3D::storage"); - - set_internal_format(fmt); - width = wd; - height = ht; - depth = dp; - levels = get_n_levels(); - if(lv>0) - levels = min(levels, lv); -} - -void Texture3D::allocate(unsigned level) -{ - if(width==0 || height==0 || depth==0) - throw invalid_operation("Texture3D::allocate"); - if(level>=levels) - throw invalid_argument("Texture3D::allocate"); - if(allocated&(1< _bind(!ARB_direct_state_access, this); - allocate(level); - - fmt = get_upload_format(fmt); - if(ARB_direct_state_access) - glTextureSubImage3D(id, level, x, y, z, wd, ht, dp, fmt, type, data); - else - glTexSubImage3D(target, level, x, y, z, wd, ht, dp, fmt, type, data); - - if(gen_mipmap && level==0) - auto_generate_mipmap(); -} - -void Texture3D::load_image(const string &fn, int dp) -{ - Graphics::Image img; - img.load_file(fn); - - unsigned w = img.get_width(); - unsigned h = img.get_height(); - unsigned d = 1; - - if(dp==-1) - { - if(h%w) - throw incompatible_data("Texture3D::load_image"); - d = h/w; - h = w; - } - else if(dp==-2) - { - for(d=h; d*d>h; d>>=2) ; - for(; d*d0) - { - d = dp; - if(h%d) - throw incompatible_data("Texture3D::load_image"); - h /= d; - } - else - throw invalid_argument("Texture3D::load_image"); - - PixelFormat fmt = pixelformat_from_graphics(img.get_format()); - if(width==0) - storage(storage_pixelformat_from_graphics(img.get_format()), w, h, d); - else if(w!=width || h!=height || d!=depth) - throw incompatible_data("Texture3D::load_image"); - - PixelStore pstore = PixelStore::from_image(img); - BindRestore _bind_ps(pstore); - - image(0, fmt, UNSIGNED_BYTE, img.get_data()); -} - -void Texture3D::image(const Graphics::Image &img, bool srgb) -{ - unsigned w = img.get_width(); - unsigned h = img.get_height(); - unsigned d = 1; - - if(depth) - { - if(h%depth) - throw incompatible_data("Texture3D::load_image"); - h /= depth; - d = depth; - } - else - { - if(h%w) - throw incompatible_data("Texture3D::load_image"); - d = h/w; - h = w; - } - - PixelFormat fmt = pixelformat_from_graphics(img.get_format()); - if(width==0) - { - unsigned l = (is_mipmapped(min_filter) ? mipmap_levels ? mipmap_levels : 0 : 1); - storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h, d, l); - } - else if(w!=width || h!=height || d!=depth) - throw incompatible_data("Texture3D::load_image"); - - PixelStore pstore = PixelStore::from_image(img); - BindRestore _bind_ps(pstore); - - image(0, fmt, UNSIGNED_BYTE, img.get_data()); -} - -unsigned Texture3D::get_n_levels() const -{ - unsigned s = max(width, height); - if(target!=GL_TEXTURE_2D_ARRAY) - s = max(s, depth); - unsigned n = 0; - for(; s; s>>=1, ++n) ; - return n; -} - -void Texture3D::get_level_size(unsigned level, unsigned &w, unsigned &h, unsigned &d) const -{ - w >>= level; - h >>= level; - if(target!=GL_TEXTURE_2D_ARRAY) - d >>= level; - - if(!w && (h || d)) - w = 1; - if(!h && (w || d)) - h = 1; - if(!d && (w || h)) - d = 1; -} - -UInt64 Texture3D::get_data_size() const -{ - return id ? width*height*depth*get_pixel_size(ifmt) : 0; -} - - -Texture3D::Loader::Loader(Texture3D &t): - DataFile::DerivedObjectLoader(t) -{ - init(); -} - -Texture3D::Loader::Loader(Texture3D &t, Collection &c): - DataFile::DerivedObjectLoader(t, c) -{ - init(); -} - -void Texture3D::Loader::init() -{ - add("raw_data", &Loader::raw_data); - add("storage", &Loader::storage); -} - -void Texture3D::Loader::raw_data(const string &data) -{ - obj.image(0, get_base_pixelformat(obj.ifmt), UNSIGNED_BYTE, data.data()); -} - -void Texture3D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h, unsigned d) -{ - obj.storage(fmt, w, h, d); -} - -} // namespace GL -} // namespace Msp