X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture2d.cpp;h=8846a555d6437f6554c46e316a6f40be0b1c9728;hb=9087cc0;hp=8d6e8471edb72574340e6e870514bfb652a13113;hpb=3c46227c280bc4cd8a4487c648f2f080d5b4f7ea;p=libs%2Fgl.git

diff --git a/source/texture2d.cpp b/source/texture2d.cpp
index 8d6e8471..8846a555 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");
@@ -56,35 +56,35 @@ 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);
+		Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
 		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);
-		}
-		allocated |= (1<<n_levels)-1;
+			glTexStorage2D(target, levels, ifmt, width, height);
+		apply_swizzle();
+		allocated |= (1<<levels)-1;
 	}
 	else
-	{
-		PixelFormat base_fmt = get_base_pixelformat(ifmt);
-		image(level, base_fmt, get_alloc_type(base_fmt), 0);
-	}
+		image(level, get_components(ifmt), get_component_type(ifmt), 0);
 }
 
-void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
+void Texture2D::image(unsigned level, PixelComponents comp, DataType type, const void *data)
 {
 	if(width==0 || height==0)
 		throw invalid_operation("Texture2D::image");
@@ -94,20 +94,26 @@ void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void
 	get_level_size(level, w, h);
 
 	if(ARB_texture_storage)
-		return sub_image(level, 0, 0, w, h, fmt, type, data);
+		return sub_image(level, 0, 0, w, h, comp, type, data);
 
 	BindRestore _bind(this);
-	glTexImage2D(target, level, ifmt, w, h, 0, get_upload_format(fmt), type, data);
+
+	if(!allocated)
+	{
+		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
+		apply_swizzle();
+	}
+	glTexImage2D(target, level, ifmt, w, h, 0, get_upload_components(comp), 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;
 	}
 }
 
-void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data)
+void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelComponents comp, DataType type, const void *data)
 {
 	if(width==0 || height==0)
 		throw invalid_operation("Texture2D::sub_image");
@@ -115,35 +121,37 @@ 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);
+	comp = get_upload_components(comp);
 	if(ARB_direct_state_access)
-		glTextureSubImage2D(id, level, x, y, wd, ht, fmt, type, data);
+		glTextureSubImage2D(id, level, x, y, wd, ht, comp, type, data);
 	else
-		glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data);
+		glTexSubImage2D(target, level, x, y, wd, ht, comp, 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());
+	PixelFormat fmt = pixelformat_from_image(img);
+	PixelComponents comp = get_components(fmt);
+	DataType type = get_component_type(fmt);
 	if(width==0)
-		storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h);
-	else if(w!=width || h!=height)
+		storage(make_pixelformat(comp, type, srgb), w, h, lv);
+	else if(w!=width || h!=height || (lv && lv!=levels))
 		throw incompatible_data("Texture2D::image");
 
 	PixelStore pstore = PixelStore::from_image(img);
 	BindRestore _bind_ps(pstore);
 
-	image(0, fmt, UNSIGNED_BYTE, from_buffer ? 0 : img.get_data());
+	image(0, comp, type, from_buffer ? 0 : img.get_data());
 }
 
 unsigned Texture2D::get_n_levels() const
@@ -181,8 +189,8 @@ void Texture2D::unload()
 {
 	glDeleteTextures(1, &id);
 	id = 0;
-	// TODO check which params actually need refreshing
-	dirty_params = -1;
+	allocated = 0;
+	default_sampler.unload();
 }
 
 
@@ -202,20 +210,24 @@ 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)
 {
-	obj.image(0, get_base_pixelformat(obj.ifmt), UNSIGNED_BYTE, data.data());
+	obj.image(0, get_components(obj.ifmt), get_component_type(obj.ifmt), data.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),
@@ -247,8 +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)
 	{
@@ -265,8 +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;