mango_engine.graphics.opengl.gl_renderer source code

1 /*
2  *  BSD 3-Clause License
3  *  
4  *  Copyright (c) 2016, Mango-Engine Team
5  *  All rights reserved.
6  *  
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions are met:
9  *  
10  *  * Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *  
13  *  * Redistributions in binary form must reproduce the above copyright notice,
14  *    this list of conditions and the following disclaimer in the documentation
15  *    and/or other materials provided with the distribution.
16  *  
17  *  * Neither the name of the copyright holder nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *  
21  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
25  *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 module mango_engine.graphics.opengl.gl_renderer;
33 
34 version(mango_GLBackend) {
35     import mango_engine.graphics.renderer;
36 
37     import derelict.opengl3.gl3;
38     import derelict.glfw3.glfw3;
39 
40     class GLRenderer : Renderer {
41         private GLFWwindow* windowId;
42 
43         package void registerWindowId(GLFWwindow* window) @trusted {
44             this.windowId = window;
45 
46             submitOperation(() {
47                 glClearColor(0f, 1f, 0f, 0f);
48                 glEnable(GL_TEXTURE_2D);
49                 glEnable(GL_BLEND);
50             });
51         }
52 
53         override void render() @system {
54             glClear(GL_COLOR_BUFFER_BIT);
55 
56             if(this.scene !is null) {
57                 synchronized(this.scene) {
58                     foreach(modelName, model; this.scene.models) {
59                         model.render(this);
60                     }
61                 }
62             }
63             
64             glfwPollEvents();
65             glfwSwapBuffers(windowId);
66         }
67     }
68 }