X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Ftexture1d.cpp;fp=source%2Fcore%2Ftexture1d.cpp;h=3fd1ae0955e88c1d432219506fe960db9e4ecdd2;hb=ada4b7614137221b64a00f31fde1498064e9fb19;hp=7c3f02ab5f97988af099937eb6ed52254542b332;hpb=6065f6622cc275dc0b20baaf7c267e71169d18f3;p=libs%2Fgl.git

diff --git a/source/core/texture1d.cpp b/source/core/texture1d.cpp
index 7c3f02ab..3fd1ae09 100644
--- a/source/core/texture1d.cpp
+++ b/source/core/texture1d.cpp
@@ -11,8 +11,7 @@ namespace GL {
 
 Texture1D::Texture1D():
 	Texture(GL_TEXTURE_1D),
-	width(0),
-	allocated(0)
+	width(0)
 {
 	static Require _req(MSP_texture1D);
 }
@@ -33,58 +32,34 @@ void Texture1D::storage(PixelFormat fmt, unsigned wd, unsigned lv)
 	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;
 
+	GLenum gl_fmt = get_gl_pixelformat(storage_fmt);
 	if(ARB_texture_storage)
 	{
-		GLenum fmt = get_gl_pixelformat(storage_fmt);
 		if(ARB_direct_state_access)
-			glTextureStorage1D(id, levels, fmt, width);
+			glTextureStorage1D(id, levels, gl_fmt, width);
 		else
 		{
 			bind_scratch();
-			glTexStorage1D(target, levels, fmt, width);
+			glTexStorage1D(target, levels, gl_fmt, width);
 		}
-		apply_swizzle();
-		allocated |= (1<<levels)-1;
 	}
 	else
-		image(level, 0);
-}
-
-void Texture1D::image(unsigned level, const void *data)
-{
-	if(width==0)
-		throw invalid_operation("Texture1D::image");
-	if(level>=levels)
-		throw out_of_range("Texture1D::image");
-
-	if(ARB_texture_storage)
-		return sub_image(level, 0, get_level_size(level), data);
-
-	bind_scratch();
-
-	if(!allocated)
 	{
+		bind_scratch();
 		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
-		apply_swizzle();
+		GLenum comp = get_gl_components(get_components(storage_fmt));
+		GLenum type = get_gl_type(get_component_type(storage_fmt));
+		for(unsigned i=0; i<levels; ++i)
+			glTexImage1D(target, i, gl_fmt, get_level_size(i), 0, comp, type, 0);
 	}
 
-	GLenum fmt = get_gl_pixelformat(storage_fmt);
-	GLenum comp = get_gl_components(get_components(storage_fmt));
-	GLenum type = get_gl_type(get_component_type(storage_fmt));
-	glTexImage1D(target, level, fmt, get_level_size(level), 0, comp, type, data);
+	apply_swizzle();
+}
 
-	allocated |= 1<<level;
+void Texture1D::image(unsigned level, const void *data)
+{
+	return sub_image(level, 0, get_level_size(level), data);
 }
 
 void Texture1D::sub_image(unsigned level, int x, unsigned wd, const void *data)
@@ -94,8 +69,6 @@ void Texture1D::sub_image(unsigned level, int x, unsigned wd, const void *data)
 	if(level>=levels)
 		throw out_of_range("Texture1D::sub_image");
 
-	allocate(level);
-
 	GLenum comp = get_gl_components(get_components(storage_fmt));
 	GLenum type = get_gl_type(get_component_type(storage_fmt));
 	if(ARB_direct_state_access)