]> git.tdb.fi Git - libs/gl.git/blobdiff - source/texture1d.cpp
Avoid some brain damage from Windows headers
[libs/gl.git] / source / texture1d.cpp
index 32053e83fa9bd8ad9231720c79defa3474229415..e746409b8101dfca984017761e5a46998927edf8 100644 (file)
@@ -13,44 +13,45 @@ namespace GL {
 
 Texture1D::Texture1D():
        Texture(GL_TEXTURE_1D),
-       ifmt(RGB),
        width(0),
        allocated(0)
 {
        static Require _req(MSP_texture1D);
 }
 
-void Texture1D::storage(PixelFormat fmt, unsigned wd)
+void Texture1D::storage(PixelFormat fmt, unsigned wd, unsigned lv)
 {
        if(width>0)
                throw invalid_operation("Texture1D::storage");
        if(wd==0)
                throw invalid_argument("Texture1D::storage");
 
-       if(MSP_sized_internal_formats)
-               fmt = get_sized_pixelformat(fmt);
-       require_pixelformat(fmt);
-
-       ifmt = fmt;
+       set_internal_format(fmt);
        width = wd;
+       levels = get_n_levels();
+       if(lv)
+               levels = min(levels, lv);
 }
 
 void Texture1D::allocate(unsigned level)
 {
+       if(width==0)
+               throw invalid_operation("Texture1D::allocate");
+       if(level>=levels)
+               throw invalid_argument("Texture1D::allocate");
        if(allocated&(1<<level))
                return;
 
        if(ARB_texture_storage)
        {
-               unsigned n_levels = (is_mipmapped(min_filter) ? get_n_levels() : 1);
                if(ARB_direct_state_access)
-                       glTextureStorage1D(id, n_levels, ifmt, width);
+                       glTextureStorage1D(id, levels, ifmt, width);
                else
                {
                        BindRestore _bind(this);
-                       glTexStorage1D(target, n_levels, ifmt, width);
+                       glTexStorage1D(target, levels, ifmt, width);
                }
-               allocated |= (1<<n_levels)-1;
+               allocated |= (1<<levels)-1;
        }
        else
        {
@@ -70,7 +71,7 @@ void Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void
                return sub_image(level, 0, w, fmt, type, data);
 
        BindRestore _bind(this);
-       glTexImage1D(target, level, ifmt, w, 0, fmt, type, data);
+       glTexImage1D(target, level, ifmt, w, 0, get_upload_format(fmt), type, data);
 
        allocated |= 1<<level;
        if(gen_mipmap && level==0)
@@ -88,6 +89,7 @@ void Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelFormat fmt, D
        Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
        allocate(level);
 
+       fmt = get_upload_format(fmt);
        if(ARB_direct_state_access)
                glTextureSubImage1D(id, level, x, wd, fmt, type, data);
        else
@@ -105,7 +107,10 @@ void Texture1D::image(const Graphics::Image &img, bool srgb)
        unsigned w = img.get_width();
        PixelFormat fmt = pixelformat_from_graphics(img.get_format());
        if(width==0)
-               storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w);
+       {
+               unsigned l = (is_mipmapped(min_filter) ? mipmap_levels ? mipmap_levels : 0 : 1);
+               storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, l);
+       }
        else if(w!=width)
                throw incompatible_data("Texture1D::image");
 
@@ -155,8 +160,6 @@ void Texture1D::Loader::raw_data(const string &data)
 
 void Texture1D::Loader::storage(PixelFormat fmt, unsigned w)
 {
-       if(srgb)
-               fmt = get_srgb_pixelformat(fmt);
        obj.storage(fmt, w);
 }