Method render

plugins/single_plugins/invert.cpp:106–140

    }

    void render(wf::auxilliary_buffer_t& source, const wf::render_buffer_t& destination)
    {
        static const float vertexData[] = {
            -1.0f, -1.0f,
            1.0f, -1.0f,
            1.0f, 1.0f,
            -1.0f, 1.0f
        };

        static const float coordData[] = {
            0.0f, 0.0f,
            1.0f, 0.0f,
            1.0f, 1.0f,
            0.0f, 1.0f
        };

        wf::gles::run_in_context([&]
        {
            wf::gles::bind_render_buffer(destination);
            program.use(wf::TEXTURE_TYPE_RGBA);
            GL_CALL(glBindTexture(GL_TEXTURE_2D, wf::gles_texture_t::from_aux(source).tex_id));
            GL_CALL(glActiveTexture(GL_TEXTURE0));

            program.attrib_pointer("position", 2, 0, vertexData);
            program.attrib_pointer("uvPosition", 2, 0, coordData);
            program.uniform1i("preserve_hue", preserve_hue);

            GL_CALL(glDisable(GL_BLEND));
            GL_CALL(glDrawArrays(GL_TRIANGLE_FAN, 0, 4));
            GL_CALL(glEnable(GL_BLEND));
            GL_CALL(glBindTexture(GL_TEXTURE_2D, 0));

            program.deactivate();
        });
    }

    void fini() override
    {