X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=inline;f=source%2Ftexture2d.cpp;h=72c84428ab6115ec4823a62d0264e0e21e989886;hb=fb5ca4dbba257d3eb7fa15800d9663b774e41e7e;hp=e15f9a33562d1e1527ba3c5d76905db437945c7f;hpb=fcaae0500d5c6fa842babe37450c435e4178547a;p=libs%2Fgl.git

diff --git a/source/texture2d.cpp b/source/texture2d.cpp
index e15f9a33..72c84428 100644
--- a/source/texture2d.cpp
+++ b/source/texture2d.cpp
@@ -46,7 +46,7 @@ Texture2D::~Texture2D()
 	set_manager(0);
 }
 
-void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht)
+void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned lv)
 {
 	if(width>0)
 		throw invalid_operation("Texture2D::storage");
@@ -56,24 +56,30 @@ void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht)
 	set_internal_format(fmt);
 	width = wd;
 	height = ht;
+	levels = get_n_levels();
+	if(lv>0)
+		levels = min(levels, lv);
 }
 
 void Texture2D::allocate(unsigned level)
 {
+	if(width==0 || height==0)
+		throw invalid_operation("Texture2D::allocate");
+	if(level>=levels)
+		throw invalid_argument("Texture2D::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)
-			glTextureStorage2D(id, n_levels, ifmt, width, height);
+			glTextureStorage2D(id, levels, ifmt, width, height);
 		else
 		{
 			BindRestore _bind(this);
-			glTexStorage2D(target, n_levels, ifmt, width, height);
+			glTexStorage2D(target, levels, ifmt, width, height);
 		}
-		allocated |= (1<<n_levels)-1;
+		allocated |= (1<<levels)-1;
 	}
 	else
 	{
@@ -95,13 +101,16 @@ void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void
 		return sub_image(level, 0, 0, w, h, fmt, type, data);
 
 	BindRestore _bind(this);
-	glTexImage2D(target, level, ifmt, w, h, 0, fmt, type, data);
+
+	if(!allocated)
+		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
+	glTexImage2D(target, level, ifmt, w, h, 0, get_upload_format(fmt), type, data);
 
 	allocated |= 1<<level;
-	if(gen_mipmap && level==0)
+	if(auto_gen_mipmap && level==0)
 	{
-		auto_generate_mipmap();
-		allocated |= (1<<get_n_levels())-1;
+		generate_mipmap();
+		allocated |= (1<<levels)-1;
 	}
 }
 
@@ -113,28 +122,29 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
 	Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
 	allocate(level);
 
+	fmt = get_upload_format(fmt);
 	if(ARB_direct_state_access)
 		glTextureSubImage2D(id, level, x, y, wd, ht, fmt, type, data);
 	else
 		glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data);
 
-	if(gen_mipmap && level==0)
-		auto_generate_mipmap();
+	if(auto_gen_mipmap && level==0)
+		generate_mipmap();
 }
 
-void Texture2D::image(const Graphics::Image &img, bool srgb)
+void Texture2D::image(const Graphics::Image &img, unsigned lv, bool srgb)
 {
-	image(img, srgb, false);
+	image(img, lv, srgb, false);
 }
 
-void Texture2D::image(const Graphics::Image &img, bool srgb, bool from_buffer)
+void Texture2D::image(const Graphics::Image &img, unsigned lv, bool srgb, bool from_buffer)
 {
 	unsigned w = img.get_width();
 	unsigned h = img.get_height();
 	PixelFormat fmt = pixelformat_from_graphics(img.get_format());
 	if(width==0)
-		storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h);
-	else if(w!=width || h!=height)
+		storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h, lv);
+	else if(w!=width || h!=height || (lv && lv!=levels))
 		throw incompatible_data("Texture2D::image");
 
 	PixelStore pstore = PixelStore::from_image(img);
@@ -178,6 +188,7 @@ void Texture2D::unload()
 {
 	glDeleteTextures(1, &id);
 	id = 0;
+	allocated = 0;
 	// TODO check which params actually need refreshing
 	dirty_params = -1;
 }
@@ -199,6 +210,7 @@ void Texture2D::Loader::init()
 {
 	add("raw_data", &Loader::raw_data);
 	add("storage", &Loader::storage);
+	add("storage", &Loader::storage_levels);
 }
 
 void Texture2D::Loader::raw_data(const string &data)
@@ -208,11 +220,14 @@ void Texture2D::Loader::raw_data(const string &data)
 
 void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
 {
-	if(srgb)
-		fmt = get_srgb_pixelformat(fmt);
 	obj.storage(fmt, w, h);
 }
 
+void Texture2D::Loader::storage_levels(PixelFormat fmt, unsigned w, unsigned h, unsigned l)
+{
+	obj.storage(fmt, w, h, l);
+}
+
 
 Texture2D::AsyncLoader::AsyncLoader(Texture2D &t, IO::Seekable &i):
 	texture(t),
@@ -244,8 +259,8 @@ bool Texture2D::AsyncLoader::process()
 	}
 	else if(phase==1)
 	{
-		pixel_buffer.data(n_bytes, 0);
-		mapped_address = reinterpret_cast<char *>(pixel_buffer.map(WRITE_ONLY));
+		pixel_buffer.storage(n_bytes);
+		mapped_address = reinterpret_cast<char *>(pixel_buffer.map());
 	}
 	else if(phase==2)
 	{
@@ -262,8 +277,13 @@ bool Texture2D::AsyncLoader::process()
 		}
 
 		if(!texture.id)
-			glGenTextures(1, &texture.id);
-		texture.image(image, srgb_conversion, true);
+		{
+			if(ARB_direct_state_access)
+				glCreateTextures(texture.target, 1, &texture.id);
+			else
+				glGenTextures(1, &texture.id);
+		}
+		texture.image(image, 0, srgb_conversion, true);
 	}
 
 	++phase;