]> git.tdb.fi Git - libs/gl.git/blobdiff - source/backends/opengl/texture2d_backend.cpp
Move Texture2D::AsyncLoader back to the common part
[libs/gl.git] / source / backends / opengl / texture2d_backend.cpp
index 187d16934990668fb40132463ebded6cd0f387e0..a4e3cad64c737d78a840b15930542e7cf7e6838f 100644 (file)
@@ -1,8 +1,6 @@
-#include <msp/datafile/rawdata.h>
 #include <msp/gl/extensions/arb_direct_state_access.h>
 #include <msp/gl/extensions/arb_texture_storage.h>
 #include <msp/gl/extensions/arb_vertex_buffer_object.h>
-#include <msp/graphics/imageloader.h>
 #include "buffer.h"
 #include "gl.h"
 #include "texture2d.h"
@@ -13,27 +11,6 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-class OpenGLTexture2D::AsyncLoader: public Resource::AsyncLoader
-{
-private:
-       Texture2D &texture;
-       IO::Seekable &io;
-       Texture2D::AsyncTransfer transfer;
-       Graphics::Image image;
-       Graphics::ImageLoader *img_loader = 0;
-       DataFile::RawData *raw_data = 0;
-       unsigned n_bytes = 0;
-       int phase = 0;
-
-public:
-       AsyncLoader(Texture2D &, IO::Seekable &);
-       ~AsyncLoader();
-
-       virtual bool needs_sync() const;
-       virtual bool process();
-};
-
-
 OpenGLTexture2D::OpenGLTexture2D():
        Texture(GL_TEXTURE_2D)
 { }
@@ -85,11 +62,6 @@ void OpenGLTexture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsig
        }
 }
 
-Resource::AsyncLoader *OpenGLTexture2D::load(IO::Seekable &io, const Resources *)
-{
-       return new AsyncLoader(static_cast<Texture2D &>(*this), io);
-}
-
 uint64_t OpenGLTexture2D::get_data_size() const
 {
        if(!id)
@@ -151,76 +123,5 @@ void OpenGLTexture2D::AsyncTransfer::finalize()
        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
 }
 
-
-OpenGLTexture2D::AsyncLoader::AsyncLoader(Texture2D &t, IO::Seekable &i):
-       texture(t),
-       io(i)
-{
-       char magic[4] = { };
-       io.read(magic, 4);
-       io.seek(0, IO::S_BEG);
-
-       if(DataFile::RawData::detect_signature(string(magic, 4)))
-       {
-               raw_data = new DataFile::RawData;
-               raw_data->open_io(io, "async");
-       }
-       else
-               img_loader = Graphics::ImageLoader::open_io(io);
-}
-
-OpenGLTexture2D::AsyncLoader::~AsyncLoader()
-{
-       delete img_loader;
-       delete raw_data;
-}
-
-bool OpenGLTexture2D::AsyncLoader::needs_sync() const
-{
-       return phase%2;
-}
-
-bool OpenGLTexture2D::AsyncLoader::process()
-{
-       if(phase==0)
-       {
-               if(raw_data)
-                       n_bytes = raw_data->get_size();
-               else
-               {
-                       image.load_headers(*img_loader);
-                       n_bytes = image.get_stride()*image.get_height();
-               }
-       }
-       else if(phase==1)
-       {
-               if(img_loader)
-               {
-                       unsigned w = image.get_width();
-                       unsigned h = image.get_height();
-                       texture.storage(pixelformat_from_image(image, texture.use_srgb_format), w, h);
-               }
-
-               transfer = texture.sub_image_async(0, 0, 0, texture.width, texture.height);
-       }
-       else if(phase==2)
-       {
-               if(raw_data)
-                       raw_data->load_into(transfer.get_address());
-               else
-                       image.load_into(*img_loader, transfer.get_address());
-       }
-       else if(phase==3)
-       {
-               transfer = Texture2D::AsyncTransfer();
-
-               if(texture.auto_gen_mipmap)
-                       texture.generate_mipmap();
-       }
-
-       ++phase;
-       return phase>3;
-}
-
 } // namespace GL
 } // namespace Msp