diff options
Diffstat (limited to 'libdimension/dimension/gl.h')
| -rw-r--r-- | libdimension/dimension/gl.h | 5 |
1 files changed, 3 insertions, 2 deletions
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 <stdio.h> -/* 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 */ |