+#include <msp/core/raii.h>
+#include <msp/gl/extensions/arb_direct_state_access.h>
+#include <msp/gl/extensions/arb_texture_storage.h>
#include "bindable.h"
#include "buffer.h"
#include "error.h"
Texture2D::Texture2D(ResourceManager *m):
Texture(GL_TEXTURE_2D, m),
- ifmt(RGB),
width(0),
height(0),
allocated(0)
set_manager(0);
}
-void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht)
+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");
- require_pixelformat(fmt);
- ifmt = fmt;
+ 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<<level))
return;
- PixelFormat base_fmt = get_base_pixelformat(ifmt);
- image(level, base_fmt, get_alloc_type(base_fmt), 0);
+ if(ARB_texture_storage)
+ {
+ if(ARB_direct_state_access)
+ glTextureStorage2D(id, levels, ifmt, width, height);
+ else
+ {
+ BindRestore _bind(this);
+ glTexStorage2D(target, levels, ifmt, width, height);
+ }
+ allocated |= (1<<levels)-1;
+ }
+ else
+ {
+ PixelFormat base_fmt = get_base_pixelformat(ifmt);
+ image(level, base_fmt, get_alloc_type(base_fmt), 0);
+ }
}
void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
unsigned h = height;
get_level_size(level, w, h);
+ if(ARB_texture_storage)
+ return sub_image(level, 0, 0, w, h, fmt, type, data);
+
BindRestore _bind(this);
- glTexImage2D(target, level, ifmt, w, h, 0, fmt, type, data);
+ glTexImage2D(target, level, ifmt, w, h, 0, get_upload_format(fmt), type, data);
allocated |= 1<<level;
- if(gen_mipmap && level==0)
+ if(auto_gen_mipmap && level==0)
{
- auto_generate_mipmap();
- for(; (w || h); w>>=1, h>>=1, ++level) ;
- allocated |= (1<<level)-1;
+ generate_mipmap();
+ allocated |= (1<<get_n_levels())-1;
}
}
if(width==0 || height==0)
throw invalid_operation("Texture2D::sub_image");
+ Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
allocate(level);
- BindRestore _bind(this);
- glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data);
+ 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)
unsigned h = img.get_height();
PixelFormat fmt = pixelformat_from_graphics(img.get_format());
if(width==0)
- storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h);
+ {
+ 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");
image(0, fmt, UNSIGNED_BYTE, from_buffer ? 0 : img.get_data());
}
-void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h)
+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;
UInt64 Texture2D::get_data_size() const
{
- return id ? width*height*get_component_count(ifmt) : 0;
+ return id ? width*height*get_pixel_size(ifmt) : 0;
}
void Texture2D::unload()
{
add("raw_data", &Loader::raw_data);
add("storage", &Loader::storage);
- add("storage", &Loader::storage_b);
}
void Texture2D::Loader::raw_data(const string &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),
}
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)
{