X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Ftexture2d.cpp;h=09831cb3385abcc5eeaf5f9e5404e33a6a427f3f;hp=78f8c9e983034f34eadec903c5c53ffb4ffd6c5d;hb=9b3bce7ae76ff8c0c81315d2505ea96bf422a318;hpb=a482029babea3210840d8c62e9df9ece4342b2b9

diff --git a/source/core/texture2d.cpp b/source/core/texture2d.cpp
index 78f8c9e9..09831cb3 100644
--- a/source/core/texture2d.cpp
+++ b/source/core/texture2d.cpp
@@ -72,12 +72,27 @@ 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;
 
 	if(ARB_texture_storage)
 	{
-		Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
 		if(ARB_direct_state_access)
 			glTextureStorage2D(id, levels, storage_fmt, width, height);
 		else
@@ -86,7 +101,7 @@ void Texture2D::allocate(unsigned level)
 		allocated |= (1<<levels)-1;
 	}
 	else
-		image(level, 0);
+		image_(level, 0);
 }
 
 void Texture2D::image(unsigned level, const void *data)
@@ -96,29 +111,40 @@ 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;
+	}
 
-	BindRestore _bind(this);
+	glBindTexture(target, 0);
+}
 
+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);
 	PixelComponents comp = get_components(storage_fmt);
 	GLenum type = get_gl_type(get_component_type(storage_fmt));
 	glTexImage2D(target, level, storage_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)
@@ -135,8 +161,14 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
 	if(level>=levels)
 		throw out_of_range("Texture2D::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));
@@ -146,7 +178,10 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
 		glTexSubImage2D(target, level, x, y, wd, ht, comp, type, data);
 
 	if(auto_gen_mipmap && level==0)
-		generate_mipmap();
+		generate_mipmap_();
+
+	if(!direct)
+		glBindTexture(target, 0);
 }
 
 void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelComponents comp, DataType type, const void *data)
@@ -290,7 +325,6 @@ bool Texture2D::AsyncLoader::process()
 		image.load_into(*img_loader, mapped_address);
 	else if(phase==3)
 	{
-		Bind _bind_buf(pixel_buffer, PIXEL_UNPACK_BUFFER);
 		mapped_address = 0;
 		if(!pixel_buffer.unmap())
 		{
@@ -300,7 +334,9 @@ bool Texture2D::AsyncLoader::process()
 
 		if(!texture.id)
 			texture.generate_id();
+		glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pixel_buffer.get_id());
 		texture.image(image, 0, true);
+		glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
 	}
 
 	++phase;