X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture1d.cpp;h=ed7d8f6e2b877fd4f660d71dbdc72874ef3de34b;hb=194f960f91041ebee44e2745627d5e480e893d82;hp=0dc85586cbc2e76c328077ca9b666b96c16873e9;hpb=e01371d38e290b4c526146fd5d1388bba8201233;p=libs%2Fgl.git

diff --git a/source/texture1d.cpp b/source/texture1d.cpp
index 0dc85586..ed7d8f6e 100644
--- a/source/texture1d.cpp
+++ b/source/texture1d.cpp
@@ -1,3 +1,4 @@
+#include <msp/gl/extensions/arb_texture_storage.h>
 #include <msp/gl/extensions/msp_texture1d.h>
 #include "bindable.h"
 #include "error.h"
@@ -37,8 +38,18 @@ void Texture1D::allocate(unsigned level)
 	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)
+	{
+		BindRestore _bind(this);
+		unsigned n_levels = (is_mipmapped(min_filter) ? get_n_levels() : 1);
+		glTexStorage1D(target, n_levels, ifmt, width);
+		allocated |= (1<<n_levels)-1;
+	}
+	else
+	{
+		PixelFormat base_fmt = get_base_pixelformat(ifmt);
+		image(level, base_fmt, get_alloc_type(base_fmt), 0);
+	}
 }
 
 void Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
@@ -48,6 +59,9 @@ void Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void
 
 	unsigned w = get_level_size(level);
 
+	if(ARB_texture_storage)
+		return sub_image(level, 0, w, fmt, type, data);
+
 	BindRestore _bind(this);
 	glTexImage1D(target, level, ifmt, w, 0, fmt, type, data);
 
@@ -64,10 +78,13 @@ void Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelFormat fmt, D
 	if(width==0)
 		throw invalid_operation("Texture3D::image");
 
+	BindRestore _bind(this);
 	allocate(level);
 
-	BindRestore _bind(this);
 	glTexSubImage1D(target, level, x, wd, fmt, type, data);
+
+	if(gen_mipmap && level==0)
+		auto_generate_mipmap();
 }
 
 void Texture1D::image(const Graphics::Image &img, bool srgb)