X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexture2d.cpp;h=94224147c70434b53bcb8ef9ea78328e9f81284b;hp=daede1836332ca9c2b72a41edf5634a99a09abb1;hb=HEAD;hpb=a40fc85277dba5c34402a0e703d038efd30cc57b diff --git a/source/texture2d.cpp b/source/texture2d.cpp deleted file mode 100644 index daede183..00000000 --- a/source/texture2d.cpp +++ /dev/null @@ -1,282 +0,0 @@ -#include -#include -#include -#include "bindable.h" -#include "buffer.h" -#include "error.h" -#include "pixelstore.h" -#include "resources.h" -#include "texture2d.h" - -using namespace std; - -namespace Msp { -namespace GL { - -class Texture2D::AsyncLoader: public Resource::AsyncLoader -{ -private: - Texture2D &texture; - IO::Seekable &io; - bool srgb_conversion; - Buffer pixel_buffer; - char *mapped_address; - Graphics::Image image; - unsigned n_bytes; - int phase; - -public: - AsyncLoader(Texture2D &, IO::Seekable &); - - void set_srgb_conversion(bool); - virtual bool needs_sync() const; - virtual bool process(); -}; - - -Texture2D::Texture2D(ResourceManager *m): - Texture(GL_TEXTURE_2D, m), - width(0), - height(0), - allocated(0) -{ } - -Texture2D::~Texture2D() -{ - set_manager(0); -} - -void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned lv) -{ - if(width>0) - throw invalid_operation("Texture2D::storage"); - if(wd==0 || ht==0) - throw invalid_argument("Texture2D::storage"); - - set_internal_format(fmt); - width = wd; - height = ht; - levels = get_n_levels(); - if(lv>0) - levels = min(levels, lv); -} - -void Texture2D::allocate(unsigned level) -{ - if(width==0 || height==0) - throw invalid_operation("Texture2D::allocate"); - if(level>=levels) - throw invalid_argument("Texture2D::allocate"); - if(allocated&(1< _bind(!ARB_direct_state_access, this); - allocate(level); - - fmt = get_upload_format(fmt); - if(ARB_direct_state_access) - glTextureSubImage2D(id, level, x, y, wd, ht, fmt, type, data); - else - glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data); - - if(auto_gen_mipmap && level==0) - generate_mipmap(); -} - -void Texture2D::image(const Graphics::Image &img, bool srgb) -{ - image(img, srgb, false); -} - -void Texture2D::image(const Graphics::Image &img, bool srgb, bool from_buffer) -{ - unsigned w = img.get_width(); - unsigned h = img.get_height(); - 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, l); - } - else if(w!=width || h!=height) - throw incompatible_data("Texture2D::image"); - - PixelStore pstore = PixelStore::from_image(img); - BindRestore _bind_ps(pstore); - - image(0, fmt, UNSIGNED_BYTE, from_buffer ? 0 : img.get_data()); -} - -unsigned Texture2D::get_n_levels() const -{ - unsigned n = 0; - for(unsigned s=max(width, height); s; s>>=1, ++n) ; - return n; -} - -void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h) const -{ - w >>= level; - h >>= level; - - if(!w && h) - w = 1; - else if(!h && w) - h = 1; -} - -Resource::AsyncLoader *Texture2D::load(IO::Seekable &io, const Resources *res) -{ - AsyncLoader *ldr = new AsyncLoader(*this, io); - if(res) - ldr->set_srgb_conversion(res->get_srgb_conversion()); - return ldr; -} - -UInt64 Texture2D::get_data_size() const -{ - return id ? width*height*get_pixel_size(ifmt) : 0; -} - -void Texture2D::unload() -{ - glDeleteTextures(1, &id); - id = 0; - // TODO check which params actually need refreshing - dirty_params = -1; -} - - -Texture2D::Loader::Loader(Texture2D &t): - DataFile::DerivedObjectLoader(t) -{ - init(); -} - -Texture2D::Loader::Loader(Texture2D &t, Collection &c): - DataFile::DerivedObjectLoader(t, c) -{ - init(); -} - -void Texture2D::Loader::init() -{ - add("raw_data", &Loader::raw_data); - add("storage", &Loader::storage); -} - -void Texture2D::Loader::raw_data(const string &data) -{ - obj.image(0, get_base_pixelformat(obj.ifmt), UNSIGNED_BYTE, data.data()); -} - -void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h) -{ - obj.storage(fmt, w, h); -} - - -Texture2D::AsyncLoader::AsyncLoader(Texture2D &t, IO::Seekable &i): - texture(t), - io(i), - srgb_conversion(false), - pixel_buffer(PIXEL_UNPACK_BUFFER), - mapped_address(0), - phase(0) -{ } - -void Texture2D::AsyncLoader::set_srgb_conversion(bool c) -{ - srgb_conversion = c; -} - -bool Texture2D::AsyncLoader::needs_sync() const -{ - return phase%2; -} - -bool Texture2D::AsyncLoader::process() -{ - if(phase==0) - { - /* TODO Enhance the ImageLoader system so that the image can be loaded - directly to the buffer */ - image.load_io(io); - n_bytes = image.get_stride()*image.get_height(); - } - else if(phase==1) - { - pixel_buffer.data(n_bytes, 0); - mapped_address = reinterpret_cast(pixel_buffer.map(WRITE_ONLY)); - } - else if(phase==2) - { - const char *data = reinterpret_cast(image.get_data()); - copy(data, data+n_bytes, mapped_address); - } - else if(phase==3) - { - Bind _bind_buf(pixel_buffer, PIXEL_UNPACK_BUFFER); - if(!pixel_buffer.unmap()) - { - phase = 1; - return false; - } - - if(!texture.id) - glGenTextures(1, &texture.id); - texture.image(image, srgb_conversion, true); - } - - ++phase; - return phase>3; -} - -} // namespace GL -} // namespace Msp