]> git.tdb.fi Git - libs/gl.git/blobdiff - source/texture2d.cpp
Remove the deprecated ProgramBuilder class
[libs/gl.git] / source / texture2d.cpp
index 806e4a179bded9f8a71264ecce78bccafc529870..0e76128c7bc5666da5828f11fe98f5398ecaf380 100644 (file)
@@ -1,6 +1,7 @@
 #include <msp/core/raii.h>
 #include <msp/gl/extensions/arb_direct_state_access.h>
 #include <msp/gl/extensions/arb_texture_storage.h>
+#include <msp/graphics/imageloader.h>
 #include "bindable.h"
 #include "buffer.h"
 #include "error.h"
@@ -18,17 +19,17 @@ class Texture2D::AsyncLoader: public Resource::AsyncLoader
 private:
        Texture2D &texture;
        IO::Seekable &io;
-       bool srgb_conversion;
        Buffer pixel_buffer;
        char *mapped_address;
        Graphics::Image image;
+       Graphics::ImageLoader *img_loader;
        unsigned n_bytes;
        int phase;
 
 public:
        AsyncLoader(Texture2D &, IO::Seekable &);
+       ~AsyncLoader();
 
-       void set_srgb_conversion(bool);
        virtual bool needs_sync() const;
        virtual bool process();
 };
@@ -53,7 +54,7 @@ void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned lv)
        if(wd==0 || ht==0)
                throw invalid_argument("Texture2D::storage");
 
-       set_internal_format(fmt);
+       set_format(fmt);
        width = wd;
        height = ht;
        levels = get_n_levels();
@@ -72,23 +73,19 @@ void Texture2D::allocate(unsigned level)
 
        if(ARB_texture_storage)
        {
+               Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
                if(ARB_direct_state_access)
-                       glTextureStorage2D(id, levels, ifmt, width, height);
+                       glTextureStorage2D(id, levels, storage_fmt, width, height);
                else
-               {
-                       BindRestore _bind(this);
-                       glTexStorage2D(target, levels, ifmt, width, height);
-               }
+                       glTexStorage2D(target, levels, storage_fmt, width, height);
+               apply_swizzle();
                allocated |= (1<<levels)-1;
        }
        else
-       {
-               PixelFormat base_fmt = get_base_pixelformat(ifmt);
-               image(level, base_fmt, get_alloc_type(base_fmt), 0);
-       }
+               image(level, 0);
 }
 
-void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
+void Texture2D::image(unsigned level, const void *data)
 {
        if(width==0 || height==0)
                throw invalid_operation("Texture2D::image");
@@ -98,20 +95,36 @@ void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void
        get_level_size(level, w, h);
 
        if(ARB_texture_storage)
-               return sub_image(level, 0, 0, w, h, fmt, type, data);
+               return sub_image(level, 0, 0, w, h, data);
 
        BindRestore _bind(this);
-       glTexImage2D(target, level, ifmt, w, h, 0, get_upload_format(fmt), type, data);
+
+       if(!allocated)
+       {
+               glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
+               apply_swizzle();
+       }
+
+       PixelComponents comp = get_components(storage_fmt);
+       DataType type = get_component_type(storage_fmt);
+       glTexImage2D(target, level, storage_fmt, w, h, 0, comp, type, data);
 
        allocated |= 1<<level;
-       if(gen_mipmap && level==0)
+       if(auto_gen_mipmap && level==0)
        {
-               auto_generate_mipmap();
-               allocated |= (1<<get_n_levels())-1;
+               generate_mipmap();
+               allocated |= (1<<levels)-1;
        }
 }
 
-void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data)
+void Texture2D::image(unsigned level, PixelComponents comp, DataType type, const void *data)
+{
+       if(comp!=get_components(format) || type!=get_component_type(format))
+               throw incompatible_data("Texture2D::image");
+       image(level, data);
+}
+
+void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, const void *data)
 {
        if(width==0 || height==0)
                throw invalid_operation("Texture2D::sub_image");
@@ -119,38 +132,43 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
        Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
        allocate(level);
 
-       fmt = get_upload_format(fmt);
+       PixelComponents comp = get_components(storage_fmt);
+       DataType type = get_component_type(storage_fmt);
        if(ARB_direct_state_access)
-               glTextureSubImage2D(id, level, x, y, wd, ht, fmt, type, data);
+               glTextureSubImage2D(id, level, x, y, wd, ht, comp, type, data);
        else
-               glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data);
+               glTexSubImage2D(target, level, x, y, wd, ht, comp, type, data);
 
-       if(gen_mipmap && level==0)
-               auto_generate_mipmap();
+       if(auto_gen_mipmap && level==0)
+               generate_mipmap();
 }
 
-void Texture2D::image(const Graphics::Image &img, bool srgb)
+void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelComponents comp, DataType type, const void *data)
 {
-       image(img, srgb, false);
+       if(comp!=get_components(format) || type!=get_component_type(format))
+               throw incompatible_data("Texture2D::sub_image");
+       sub_image(level, x, y, wd, ht, data);
 }
 
-void Texture2D::image(const Graphics::Image &img, bool srgb, bool from_buffer)
+void Texture2D::image(const Graphics::Image &img, unsigned lv)
+{
+       image(img, lv, false);
+}
+
+void Texture2D::image(const Graphics::Image &img, unsigned lv, bool from_buffer)
 {
        unsigned w = img.get_width();
        unsigned h = img.get_height();
-       PixelFormat fmt = pixelformat_from_graphics(img.get_format());
+       PixelFormat fmt = pixelformat_from_image(img);
        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)
+               storage(make_pixelformat(get_components(fmt), get_component_type(fmt), use_srgb_format), w, h, lv);
+       else if(w!=width || h!=height || (lv && lv!=levels))
                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());
+       image(0, from_buffer ? 0 : img.get_pixels());
 }
 
 unsigned Texture2D::get_n_levels() const
@@ -171,25 +189,23 @@ void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h) const
                h = 1;
 }
 
-Resource::AsyncLoader *Texture2D::load(IO::Seekable &io, const Resources *res)
+Resource::AsyncLoader *Texture2D::load(IO::Seekable &io, const Resources *)
 {
        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;
+       return id ? width*height*get_pixel_size(format) : 0;
 }
 
 void Texture2D::unload()
 {
        glDeleteTextures(1, &id);
        id = 0;
-       // TODO check which params actually need refreshing
-       dirty_params = -1;
+       allocated = 0;
+       default_sampler.unload();
 }
 
 
@@ -209,11 +225,12 @@ void Texture2D::Loader::init()
 {
        add("raw_data", &Loader::raw_data);
        add("storage", &Loader::storage);
+       add("storage", &Loader::storage_levels);
 }
 
 void Texture2D::Loader::raw_data(const string &data)
 {
-       obj.image(0, get_base_pixelformat(obj.ifmt), UNSIGNED_BYTE, data.data());
+       obj.image(0, data.data());
 }
 
 void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
@@ -221,19 +238,26 @@ void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
        obj.storage(fmt, w, h);
 }
 
+void Texture2D::Loader::storage_levels(PixelFormat fmt, unsigned w, unsigned h, unsigned l)
+{
+       obj.storage(fmt, w, h, l);
+}
+
 
 Texture2D::AsyncLoader::AsyncLoader(Texture2D &t, IO::Seekable &i):
        texture(t),
        io(i),
-       srgb_conversion(false),
        pixel_buffer(PIXEL_UNPACK_BUFFER),
        mapped_address(0),
+       img_loader(Graphics::ImageLoader::open_io(io)),
        phase(0)
 { }
 
-void Texture2D::AsyncLoader::set_srgb_conversion(bool c)
+Texture2D::AsyncLoader::~AsyncLoader()
 {
-       srgb_conversion = c;
+       if(mapped_address)
+               pixel_buffer.unmap();
+       delete img_loader;
 }
 
 bool Texture2D::AsyncLoader::needs_sync() const
@@ -245,24 +269,20 @@ 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);
+               image.load_headers(*img_loader);
                n_bytes = image.get_stride()*image.get_height();
        }
        else if(phase==1)
        {
-               pixel_buffer.data(n_bytes, 0);
-               mapped_address = reinterpret_cast<char *>(pixel_buffer.map(WRITE_ONLY));
+               pixel_buffer.storage(n_bytes);
+               mapped_address = reinterpret_cast<char *>(pixel_buffer.map());
        }
        else if(phase==2)
-       {
-               const char *data = reinterpret_cast<const char *>(image.get_data());
-               copy(data, data+n_bytes, mapped_address);
-       }
+               image.load_into(*img_loader, mapped_address);
        else if(phase==3)
        {
                Bind _bind_buf(pixel_buffer, PIXEL_UNPACK_BUFFER);
+               mapped_address = 0;
                if(!pixel_buffer.unmap())
                {
                        phase = 1;
@@ -270,8 +290,13 @@ bool Texture2D::AsyncLoader::process()
                }
 
                if(!texture.id)
-                       glGenTextures(1, &texture.id);
-               texture.image(image, srgb_conversion, true);
+               {
+                       if(ARB_direct_state_access)
+                               glCreateTextures(texture.target, 1, &texture.id);
+                       else
+                               glGenTextures(1, &texture.id);
+               }
+               texture.image(image, 0, true);
        }
 
        ++phase;