X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fcore%2Ftexture2d.cpp;h=ed0b206c1e05069ada3d8e677c84995b706e920b;hb=7b569bbfcfb65d8d88b47ac42ee1df6a7d27e784;hp=9ebc3cc5fc496e0e7afe057f12f26c7796637b10;hpb=bea2bcf1aa353b1dd8d1728931ef0508677bd2c6;p=libs%2Fgl.git

diff --git a/source/core/texture2d.cpp b/source/core/texture2d.cpp
index 9ebc3cc5..ed0b206c 100644
--- a/source/core/texture2d.cpp
+++ b/source/core/texture2d.cpp
@@ -70,22 +70,6 @@ void Texture2D::allocate(unsigned level)
 		throw invalid_operation("Texture2D::allocate");
 	if(level>=levels)
 		throw invalid_argument("Texture2D::allocate");
-
-	bool direct = ARB_texture_storage && ARB_direct_state_access;
-	if(!direct)
-	{
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(target, id);
-	}
-
-	allocate_(level);
-
-	if(!direct)
-		glBindTexture(target, 0);
-}
-
-void Texture2D::allocate_(unsigned level)
-{
 	if(allocated&(1<<level))
 		return;
 
@@ -95,12 +79,15 @@ void Texture2D::allocate_(unsigned level)
 		if(ARB_direct_state_access)
 			glTextureStorage2D(id, levels, fmt, width, height);
 		else
+		{
+			bind_scratch();
 			glTexStorage2D(target, levels, fmt, width, height);
+		}
 		apply_swizzle();
 		allocated |= (1<<levels)-1;
 	}
 	else
-		image_(level, 0);
+		image(level, 0);
 }
 
 void Texture2D::image(unsigned level, const void *data)
@@ -110,41 +97,30 @@ void Texture2D::image(unsigned level, const void *data)
 	if(level>=levels)
 		throw out_of_range("Texture2D::image");
 
+	LinAl::Vector<unsigned, 2> size = get_level_size(level);
+
 	if(ARB_texture_storage)
-	{
-		LinAl::Vector<unsigned, 2> size = get_level_size(level);
 		return sub_image(level, 0, 0, size.x, size.y, data);
-	}
-
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(target, id);
-
-	image_(level, data);
-
-	if(auto_gen_mipmap && level==0)
-	{
-		generate_mipmap_();
-		allocated |= (1<<levels)-1;
-	}
 
-	glBindTexture(target, 0);
-}
+	bind_scratch();
 
-void Texture2D::image_(unsigned level, const void *data)
-{
 	if(!allocated)
 	{
 		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
 		apply_swizzle();
 	}
 
-	LinAl::Vector<unsigned, 2> size = get_level_size(level);
 	GLenum fmt = get_gl_pixelformat(storage_fmt);
 	GLenum comp = get_gl_components(get_components(storage_fmt));
 	GLenum type = get_gl_type(get_component_type(storage_fmt));
 	glTexImage2D(target, level, fmt, size.x, size.y, 0, comp, type, data);
 
 	allocated |= 1<<level;
+	if(auto_gen_mipmap && level==0)
+	{
+		generate_mipmap();
+		allocated |= (1<<levels)-1;
+	}
 }
 
 void Texture2D::image(unsigned level, PixelComponents comp, DataType type, const void *data)
@@ -161,27 +137,20 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
 	if(level>=levels)
 		throw out_of_range("Texture2D::sub_image");
 
-	bool direct = (ARB_direct_state_access && (ARB_texture_storage || (allocated&(1<<level))));
-	if(!direct)
-	{
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(target, id);
-	}
-
-	allocate_(level);
+	allocate(level);
 
 	GLenum comp = get_gl_components(get_components(storage_fmt));
 	GLenum type = get_gl_type(get_component_type(storage_fmt));
 	if(ARB_direct_state_access)
 		glTextureSubImage2D(id, level, x, y, wd, ht, comp, type, data);
 	else
+	{
+		bind_scratch();
 		glTexSubImage2D(target, level, x, y, wd, ht, comp, type, data);
+	}
 
 	if(auto_gen_mipmap && level==0)
-		generate_mipmap_();
-
-	if(!direct)
-		glBindTexture(target, 0);
+		generate_mipmap();
 }
 
 void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelComponents comp, DataType type, const void *data)