Re: [ruby-gnome2-devel-en] [ruby-gnome2-cvs] ruby-gnome2/ruby-gnome2@0d20af2 [master] clutter test: add Clutter::ShaderEffect tests

[Kouhei S. <ko...@co...>]

>       But, Ruby-GNOME2 does not have (gi based) cogl binding.
>     
>       Should it do treat cogl?

If we need it, we'll do it.

Do Ruby/Clutter users want to use Clutter::ShaderEffect?

In <0d2...@je...>
  "[ruby-gnome2-cvs] ruby-gnome2/ruby-gnome2@0d20af2 [master] clutter test: add Clutter::ShaderEffect tests" on Fri, 24 Oct 2014 20:09:20 +0900,
  Hiroshi Hatake <nu...@co...> wrote:

> Hiroshi Hatake	2014-10-24 20:09:20 +0900 (Fri, 24 Oct 2014)
> 
>   New Revision: 0d20af2c78790861447c609738c54ea230df2feb
>   https://github.com/ruby-gnome2/ruby-gnome2/commit/0d20af2c78790861447c609738c54ea230df2feb
> 
>   Message:
>     clutter test: add Clutter::ShaderEffect tests
>     
>     * clutter depends cogl.
>     * Cogl::Handler(CoglHandler) and Cogl::INVALID_HANDLE(COGL_INVALID_HANDLE)
>       appears in C library code.
>       But, Ruby-GNOME2 does not have (gi based) cogl binding.
>     
>       Should it do treat cogl?
>     
>       - make gi based cogl binding to easliy treat cogl related things.
>         e.g. Cogl::INVALID_HANDLE constant
>       - use magic number to treat code which is related to cogl.(sees to be
>     	bad.... Now using this workaround, sorry.)
> 
>   Added files:
>     clutter/test/test-clutter-shader-effect.rb
> 
>   Added: clutter/test/test-clutter-shader-effect.rb (+65 -0) 100644
> ===================================================================
> --- /dev/null
> +++ clutter/test/test-clutter-shader-effect.rb    2014-10-24 20:09:20 +0900 (379f17a)
> @@ -0,0 +1,65 @@
> +# Copyright (C) 2014  Ruby-GNOME2 Project Team
> +#
> +# This library is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU Lesser General Public
> +# License as published by the Free Software Foundation; either
> +# version 2.1 of the License, or (at your option) any later version.
> +#
> +# This library is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +# Lesser General Public License for more details.
> +#
> +# You should have received a copy of the GNU Lesser General Public
> +# License along with this library; if not, write to the Free Software
> +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
> +
> +class ClutterShaderEffect < Test::Unit::TestCase
> +  include ClutterTestUtils
> +
> +  def setup
> +    @shader_effect = Clutter::ShaderEffect.new(Clutter::ShaderType::FRAGMENT_SHADER)
> +    @fragment_shader_source = <<-EOS
> +#ifdef GL_ES
> +precision mediump float;
> +#endif
> +
> +void main( void ) {
> +  gl_FragColor = vec4( 1.0, 0.0, 1.0, 1.0 );
> +}
> +EOS
> +    # TODO: use original Cogl::INVALID_HANDLE
> +    # original value: NULL
> +    # ref: https://developer.gnome.org/cogl/1.18/cogl-General-API.html#COGL-INVALID-HANDLE:CAPS
> +    # It should create cogl gi based binding?
> +    @cogl_invalid_handle = 0
> +  end
> +
> +  def test_set_uniform_value
> +    gvalue = 1.0
> +    assert_nothing_raised do
> +      @shader_effect.set_uniform_value("components", gvalue)
> +    end
> +  end
> +
> +  def test_set_shader_source
> +    result = @shader_effect.set_shader_source(@fragment_shader_source)
> +    assert_true(result)
> +  end
> +
> +  def test_get_program
> +    @shader_effect.shader_source = @fragment_shader_source
> +    assert_not_equal(@cogl_invalid_handle, @shader_effect.program)
> +  end
> +
> +  def test_get_shader
> +    @shader_effect.shader_source = @fragment_shader_source
> +    assert_not_equal(@cogl_invalid_handle, @shader_effect.shader)
> +  end
> +
> +  class TestEnum < self
> +    def test_shader_type
> +      assert_const_defined(Clutter::ShaderType, :VERTEX_SHADER)
> +    end
> +  end
> +end