From a0571c84673f01b05e6edeb901cca8ff5ae9a023 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Thu, 2 Jul 2009 18:12:16 +0000 Subject: Implement dmnsn_gl_read_canvas. --- libdimension/dimension/gl.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'libdimension/dimension') diff --git a/libdimension/dimension/gl.h b/libdimension/dimension/gl.h index e27c418..f7de782 100644 --- a/libdimension/dimension/gl.h +++ b/libdimension/dimension/gl.h @@ -28,10 +28,11 @@ #include -/* Write canvas to GL framebuffer. Returns 0 on success, nonzero on failure */ +/* Write canvas to GL framebuffer. Returns 0 on success, nonzero on failure. */ int dmnsn_gl_write_canvas(const dmnsn_canvas *canvas); /* Read a canvas from a GL framebuffer. Returns NULL on failure. */ -dmnsn_canvas *dmnsn_gl_read_canvas(); +dmnsn_canvas *dmnsn_gl_read_canvas(unsigned int x0, unsigned int y0, + unsigned int width, unsigned int height); #endif /* DIMENSION_GL_H */ -- cgit v1.2.3