X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Ftexture1d.cpp;h=7685d39e99abaeca025ae1c4750b6a53903ff08a;hp=71c736f04da4ecb7971d22461434169445614f6b;hb=9b3bce7ae76ff8c0c81315d2505ea96bf422a318;hpb=a482029babea3210840d8c62e9df9ece4342b2b9

diff --git a/source/core/texture1d.cpp b/source/core/texture1d.cpp
index 71c736f0..7685d39e 100644
--- a/source/core/texture1d.cpp
+++ b/source/core/texture1d.cpp
@@ -43,12 +43,27 @@ void Texture1D::allocate(unsigned level)
 		throw invalid_operation("Texture1D::allocate");
 	if(level>=levels)
 		throw invalid_argument("Texture1D::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 Texture1D::allocate_(unsigned level)
+{
 	if(allocated&(1<<level))
 		return;
 
 	if(ARB_texture_storage)
 	{
-		Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
 		if(ARB_direct_state_access)
 			glTextureStorage1D(id, levels, storage_fmt, width);
 		else
@@ -57,7 +72,7 @@ void Texture1D::allocate(unsigned level)
 		allocated |= (1<<levels)-1;
 	}
 	else
-		image(level, 0);
+		image_(level, 0);
 }
 
 void Texture1D::image(unsigned level, const void *data)
@@ -67,13 +82,25 @@ void Texture1D::image(unsigned level, const void *data)
 	if(level>=levels)
 		throw out_of_range("Texture1D::image");
 
-	unsigned w = get_level_size(level);
-
 	if(ARB_texture_storage)
-		return sub_image(level, 0, w, data);
+		return sub_image(level, 0, get_level_size(level), data);
+
+	glActiveTexture(GL_TEXTURE0);
+	glBindTexture(target, id);
+
+	image_(level, data);
+
+	if(auto_gen_mipmap && level==0)
+	{
+		generate_mipmap_();
+		allocated |= (1<<levels)-1;
+	}
 
-	BindRestore _bind(this);
+	glBindTexture(target, 0);
+}
 
+void Texture1D::image_(unsigned level, const void *data)
+{
 	if(!allocated)
 	{
 		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
@@ -82,14 +109,9 @@ void Texture1D::image(unsigned level, const void *data)
 
 	PixelComponents comp = get_components(storage_fmt);
 	GLenum type = get_gl_type(get_component_type(storage_fmt));
-	glTexImage1D(target, level, storage_fmt, w, 0, comp, type, data);
+	glTexImage1D(target, level, storage_fmt, get_level_size(level), 0, comp, type, data);
 
 	allocated |= 1<<level;
-	if(auto_gen_mipmap && level==0)
-	{
-		generate_mipmap();
-		allocated |= (1<<levels)-1;
-	}
 }
 
 void Texture1D::image(unsigned level, PixelComponents comp, DataType type, const void *data)
@@ -106,8 +128,14 @@ void Texture1D::sub_image(unsigned level, int x, unsigned wd, const void *data)
 	if(level>=levels)
 		throw out_of_range("Texture1D::sub_image");
 
-	Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
-	allocate(level);
+	bool direct = (ARB_direct_state_access && (ARB_texture_storage || (allocated&(1<<level))));
+	if(!direct)
+	{
+		glActiveTexture(GL_TEXTURE0);
+		glBindTexture(target, id);
+	}
+
+	allocate_(level);
 
 	PixelComponents comp = get_components(storage_fmt);
 	GLenum type = get_gl_type(get_component_type(storage_fmt));
@@ -117,7 +145,10 @@ void Texture1D::sub_image(unsigned level, int x, unsigned wd, const void *data)
 		glTexSubImage1D(target, level, x, wd, comp, type, data);
 
 	if(auto_gen_mipmap && level==0)
-		generate_mipmap();
+		generate_mipmap_();
+
+	if(!direct)
+		glBindTexture(target, 0);
 }
 
 void Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelComponents comp, DataType type, const void *data)