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comparison mde/gl.d @ 23:47478557428d

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Implemented drawing a very basic gl box, and only drawing when necessary. Improvements to window resizing, and gl draws a box as a test. Scheduler has "on request" support to redraws only when requested by an event. committer: Diggory Hardy <diggory.hardy@gmail.com>
author Diggory Hardy <diggory.hardy@gmail.com>
date Thu, 27 Mar 2008 10:58:57 +0000
parents 838577503598
children 2c28ee04a4ed
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22:249eb6620685 23:47478557428d
14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ 14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
15 15
16 /** Simple OpenGL functions. */ 16 /** Simple OpenGL functions. */
17 module mde.gl; 17 module mde.gl;
18 18
19 import mde.scheduler.runTime;
20
21 import derelict.sdl.sdl;
19 import derelict.opengl.gl; 22 import derelict.opengl.gl;
20 23
21 static this() { 24 static this() {
25 Scheduler.perRequest (RF_KEYS.DRAW, &draw);
22 } 26 }
27
28 void glSetup () {
29 glClearColor (0.0f, 0.0f, 0.0f, 0.0f);
30 }
31
32 void setProjection (int w, int h) {
33 glMatrixMode (GL_PROJECTION);
34 glLoadIdentity ();
35
36 glViewport (0,0,w,h);
37 //glOrtho (0.0,w, 0.0,h, -1.0, 1.0);
38 glOrtho (0.0,1.0,0.0,1.0,-1.0,1.0);
39
40 glMatrixMode(GL_MODELVIEW);
41 glLoadIdentity();
42 }
43
44 // Temporary draw function
45 void draw () {
46 glClear(GL_COLOR_BUFFER_BIT);
47
48 glBegin (GL_QUADS);
49 {
50 glColor3f (0.2f, 0.6f, 0.8f);
51 /+glVertex2i (40, 40);
52 glVertex2i (200, 40);
53 glVertex2i (200, 200);
54 glVertex2i (40, 200);+/
55 glVertex2f (0.1f, 0.1f);
56 glVertex2f (0.9f, 0.1f);
57 glVertex2f (0.9f, 0.9f);
58 glVertex2f (0.1f, 0.9f);
59 }
60 glEnd();
61
62 glFlush();
63 SDL_GL_SwapBuffers();
64 }