Mercurial > touhou

comparison pytouhou/ui/opengl/backend.pyx @ 553:8f51e34d911c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Refactor graphics backend selection, to make them fallbackable and optional.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 29 May 2014 12:31:55 +0200
parents
children 653a9f087673
comparison
equal deleted inserted replaced
552:aad758aef26d 553:8f51e34d911c
1 from pytouhou.lib cimport sdl
2 from pytouhou.lib.sdl cimport Window
3
4 from pytouhou.lib.opengl cimport \
5 (glEnable, glHint, glEnableClientState, GL_TEXTURE_2D, GL_BLEND,
6 GL_PERSPECTIVE_CORRECTION_HINT, GL_FOG_HINT, GL_NICEST,
7 GL_COLOR_ARRAY, GL_VERTEX_ARRAY, GL_TEXTURE_COORD_ARRAY)
8
9 IF USE_GLEW:
10 from pytouhou.lib.opengl cimport glewInit
11
12
13 GameRenderer = None
14
15
16 def init(options):
17 global flavor, version, major, minor, double_buffer, is_legacy, GameRenderer
18
19 flavor = options['flavor']
20 assert flavor in ('core', 'es', 'compatibility', 'legacy')
21
22 version = options['version']
23 major = int(version)
24 minor = <int>(version * 10) % 10
25
26 double_buffer = options['double-buffer']
27 is_legacy = flavor == 'legacy'
28
29 #TODO: check for framebuffer/renderbuffer support.
30
31 from pytouhou.ui.opengl.gamerenderer import GameRenderer
32
33
34 def create_window(title, x, y, width, height):
35 sdl.gl_set_attribute(sdl.GL_CONTEXT_MAJOR_VERSION, major)
36 sdl.gl_set_attribute(sdl.GL_CONTEXT_MINOR_VERSION, minor)
37 sdl.gl_set_attribute(sdl.GL_DOUBLEBUFFER, double_buffer)
38 sdl.gl_set_attribute(sdl.GL_DEPTH_SIZE, 24)
39
40 flags = sdl.WINDOW_SHOWN | sdl.WINDOW_OPENGL
41
42 #TODO: legacy can support one of the framebuffer extensions.
43 if not is_legacy:
44 flags |= sdl.WINDOW_RESIZABLE
45
46 window = Window(title, x, y, width, height, flags)
47 window.gl_create_context()
48
49 if USE_GLEW:
50 if glewInit() != 0:
51 raise Exception('GLEW init fail!')
52
53 # Initialize OpenGL
54 glEnable(GL_BLEND)
55 if is_legacy:
56 glEnable(GL_TEXTURE_2D)
57 glHint(GL_FOG_HINT, GL_NICEST)
58 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
59 glEnableClientState(GL_COLOR_ARRAY)
60 glEnableClientState(GL_VERTEX_ARRAY)
61 glEnableClientState(GL_TEXTURE_COORD_ARRAY)
62
63 return window