X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexture2d.cpp;h=94224147c70434b53bcb8ef9ea78328e9f81284b;hp=e237e504176ace2bfd56ddf74597907aee397abb;hb=HEAD;hpb=4d7f66ea28c788e12f700216b9c53af9e71b8390 diff --git a/source/texture2d.cpp b/source/texture2d.cpp deleted file mode 100644 index e237e504..00000000 --- a/source/texture2d.cpp +++ /dev/null @@ -1,256 +0,0 @@ -#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; - Buffer pixel_buffer; - char *mapped_address; - Graphics::Image image; - unsigned n_bytes; - int phase; - -public: - AsyncLoader(Texture2D &, IO::Seekable &); - - virtual bool needs_sync() const; - virtual bool process(); -}; - - -Texture2D::Texture2D(ResourceManager *m): - Texture(GL_TEXTURE_2D, m), - ifmt(RGB), - width(0), - height(0), - allocated(0) -{ } - -void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht) -{ - if(width>0) - throw invalid_operation("Texture2D::storage"); - if(wd==0 || ht==0) - throw invalid_argument("Texture2D::storage"); - require_pixelformat(fmt); - - ifmt = fmt; - width = wd; - height = ht; -} - -void Texture2D::allocate(unsigned level) -{ - if(allocated&(1<>=1, h>>=1, ++level) ; - allocated |= (1<>= level; - h >>= level; - - if(!w && h) - w = 1; - else if(!h && w) - h = 1; -} - -Resource::AsyncLoader *Texture2D::load(IO::Seekable &io) -{ - return new AsyncLoader(*this, io); -} - -UInt64 Texture2D::get_data_size() const -{ - return id ? width*height*get_component_count(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("image_data", &Loader::image_data); - add("raw_data", &Loader::raw_data); - add("storage", &Loader::storage); - add("storage", &Loader::storage_b); -} - -void Texture2D::Loader::image_data(const string &data) -{ - Graphics::Image img; - IO::Memory mem(data.data(), data.size()); - img.load_io(mem); - - obj.image(img, srgb); -} - -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) -{ - if(srgb) - fmt = get_srgb_pixelformat(fmt); - obj.storage(fmt, w, h); -} - -void Texture2D::Loader::storage_b(PixelFormat fmt, unsigned w, unsigned h, unsigned) -{ - storage(fmt, w, h); -} - - -Texture2D::AsyncLoader::AsyncLoader(Texture2D &t, IO::Seekable &i): - texture(t), - io(i), - pixel_buffer(PIXEL_UNPACK_BUFFER), - mapped_address(0), - phase(0) -{ - if(!texture.id) - glGenTextures(1, &texture.id); -} - -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; - } - - texture.image(image, false, true); - } - - ++phase; - return phase>3; -} - -} // namespace GL -} // namespace Msp