From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 27 Oct 2016 22:38:34 +0000 (+0300)
Subject: Implement sub_image for TextureCube also
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=4a577ddc946bd279d7bc4942a2ce4c46c7ef5d35;p=libs%2Fgl.git

Implement sub_image for TextureCube also

I thought it was already implemented but in turned out there was only a
declaration.
---

diff --git a/source/texturecube.cpp b/source/texturecube.cpp
index 889d051b..26402695 100644
--- a/source/texturecube.cpp
+++ b/source/texturecube.cpp
@@ -80,6 +80,17 @@ void TextureCube::image(TextureCubeFace face, unsigned level, PixelFormat fmt, D
 	}
 }
 
+void TextureCube::sub_image(TextureCubeFace face, unsigned level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data)
+{
+	if(size==0)
+		throw invalid_operation("TextureCube::sub_image");
+
+	allocate(level);
+
+	BindRestore _bind(this);
+	glTexSubImage2D(face, level, x, y, wd, ht, fmt, type, data);
+}
+
 void TextureCube::image(TextureCubeFace face, const Graphics::Image &img, bool srgb)
 {
 	unsigned w = img.get_width();