X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture1d.cpp;h=24266150672a90fab1f1a5acd4fd8cb4d16f849a;hb=9087cc0a372b9c739f15398c7a22c0a6eb5041bb;hp=6affe8999a2414ae61b950c8f3c232a9269e4af1;hpb=cdf928f03f4d8383b8fa978abc4c255a850ec061;p=libs%2Fgl.git

diff --git a/source/texture1d.cpp b/source/texture1d.cpp
index 6affe899..24266150 100644
--- a/source/texture1d.cpp
+++ b/source/texture1d.cpp
@@ -19,7 +19,7 @@ Texture1D::Texture1D():
 	static Require _req(MSP_texture1D);
 }
 
-void Texture1D::storage(PixelFormat fmt, unsigned wd)
+void Texture1D::storage(PixelFormat fmt, unsigned wd, unsigned lv)
 {
 	if(width>0)
 		throw invalid_operation("Texture1D::storage");
@@ -28,33 +28,35 @@ void Texture1D::storage(PixelFormat fmt, unsigned wd)
 
 	set_internal_format(fmt);
 	width = wd;
+	levels = get_n_levels();
+	if(lv)
+		levels = min(levels, lv);
 }
 
 void Texture1D::allocate(unsigned level)
 {
+	if(width==0)
+		throw invalid_operation("Texture1D::allocate");
+	if(level>=levels)
+		throw invalid_argument("Texture1D::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)
-			glTextureStorage1D(id, n_levels, ifmt, width);
+			glTextureStorage1D(id, levels, ifmt, width);
 		else
-		{
-			BindRestore _bind(this);
-			glTexStorage1D(target, n_levels, ifmt, width);
-		}
-		allocated |= (1<<n_levels)-1;
+			glTexStorage1D(target, levels, ifmt, width);
+		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 Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
+void Texture1D::image(unsigned level, PixelComponents comp, DataType type, const void *data)
 {
 	if(width==0)
 		throw invalid_operation("Texture1D::image");
@@ -62,20 +64,26 @@ void Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void
 	unsigned w = get_level_size(level);
 
 	if(ARB_texture_storage)
-		return sub_image(level, 0, w, fmt, type, data);
+		return sub_image(level, 0, w, comp, type, data);
 
 	BindRestore _bind(this);
-	glTexImage1D(target, level, ifmt, w, 0, fmt, type, data);
+
+	if(!allocated)
+	{
+		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
+		apply_swizzle();
+	}
+	glTexImage1D(target, level, ifmt, w, 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 Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelFormat fmt, DataType type, const void *data)
+void Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelComponents comp, DataType type, const void *data)
 {
 	if(width==0)
 		throw invalid_operation("Texture3D::image");
@@ -83,28 +91,31 @@ void Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelFormat fmt, D
 	Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
 	allocate(level);
 
+	comp = get_upload_components(comp);
 	if(ARB_direct_state_access)
-		glTextureSubImage1D(id, level, x, wd, fmt, type, data);
+		glTextureSubImage1D(id, level, x, wd, comp, type, data);
 	else
-		glTexSubImage1D(target, level, x, wd, fmt, type, data);
+		glTexSubImage1D(target, level, x, wd, comp, type, data);
 
-	if(gen_mipmap && level==0)
-		auto_generate_mipmap();
+	if(auto_gen_mipmap && level==0)
+		generate_mipmap();
 }
 
-void Texture1D::image(const Graphics::Image &img, bool srgb)
+void Texture1D::image(const Graphics::Image &img, unsigned lv, bool srgb)
 {
 	if(img.get_height()!=1)
 		throw incompatible_data("Texture1D::image");
 
 	unsigned w = img.get_width();
-	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);
+		storage(make_pixelformat(comp, type, srgb), w, lv);
 	else if(w!=width)
 		throw incompatible_data("Texture1D::image");
 
-	image(0, fmt, UNSIGNED_BYTE, img.get_data());
+	image(0, comp, type, img.get_data());
 }
 
 unsigned Texture1D::get_n_levels() const
@@ -141,19 +152,23 @@ void Texture1D::Loader::init()
 {
 	add("raw_data", &Loader::raw_data);
 	add("storage", &Loader::storage);
+	add("storage", &Loader::storage_levels);
 }
 
 void Texture1D::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 Texture1D::Loader::storage(PixelFormat fmt, unsigned w)
 {
-	if(srgb)
-		fmt = get_srgb_pixelformat(fmt);
 	obj.storage(fmt, w);
 }
 
+void Texture1D::Loader::storage_levels(PixelFormat fmt, unsigned w, unsigned l)
+{
+	obj.storage(fmt, w, l);
+}
+
 } // namespace GL
 } // namespace Msp