From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 27 Oct 2016 07:58:35 +0000 (+0300)
Subject: Implement sub_image for Texture1D
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=4a6c595b4d954b6cf69c6388a43b2b66f84d8c0a

Implement sub_image for Texture1D
---

diff --git a/source/texture1d.cpp b/source/texture1d.cpp
index 043e0c0e..a0ab79b9 100644
--- a/source/texture1d.cpp
+++ b/source/texture1d.cpp
@@ -57,6 +57,17 @@ void Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void
 	}
 }
 
+void Texture1D::sub_image(unsigned level, int x, unsigned wd, PixelFormat fmt, DataType type, const void *data)
+{
+	if(width==0)
+		throw invalid_operation("Texture3D::image");
+
+	allocate(level);
+
+	BindRestore _bind(this);
+	glTexSubImage1D(target, level, x, wd, fmt, type, data);
+}
+
 void Texture1D::image(const Graphics::Image &img, bool srgb)
 {
 	if(img.get_height()!=1)
diff --git a/source/texture1d.h b/source/texture1d.h
index ee930a87..0ab9c6f7 100644
--- a/source/texture1d.h
+++ b/source/texture1d.h
@@ -32,6 +32,7 @@ public:
 	void storage(PixelFormat, unsigned);
 	void allocate(unsigned);
 	void image(unsigned, PixelFormat, DataType, const void *);
+	void sub_image(unsigned, int, unsigned, PixelFormat, DataType, const void *);
 	virtual void image(const Graphics::Image &, bool = false);
 	unsigned get_width() const { return width; }