Mercurial > touhou

annotate pytouhou/ui/opengl/backend.pyx @ 567:b2269b9c6119

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add a configuration parser, and pass those options to argparse as defaults. Also include an xdg helper.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 01 Jul 2014 23:17:40 +0200
parents 1be60813f7cb
children b8df946d394d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
1 from pytouhou.lib cimport sdl
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 from pytouhou.lib.sdl cimport Window
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4 from pytouhou.lib.opengl cimport \
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 (glEnable, glHint, glEnableClientState, GL_TEXTURE_2D, GL_BLEND,
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 GL_PERSPECTIVE_CORRECTION_HINT, GL_FOG_HINT, GL_NICEST,
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7 GL_COLOR_ARRAY, GL_VERTEX_ARRAY, GL_TEXTURE_COORD_ARRAY)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10 GameRenderer = None
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
12
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13 def init(options):
558
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 557
diff changeset
14 global flavor, version, major, minor, double_buffer, is_legacy, use_vao, shader_header, GameRenderer
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
15
556
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
16 flavor_name = options['flavor']
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
17 assert flavor_name in ('core', 'es', 'compatibility', 'legacy')
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
18 flavor = (sdl.GL_CONTEXT_PROFILE_CORE if flavor_name == 'core' else
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
19 sdl.GL_CONTEXT_PROFILE_ES if flavor_name == 'es' else
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
20 sdl.GL_CONTEXT_PROFILE_COMPATIBILITY)
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
21
556
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
22 version = str(options['version'])
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
23 assert len(version) == 3 and version[1] == '.'
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
24 major = int(version[0])
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
25 minor = int(version[2])
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
26
554
653a9f087673 Make both double- and single-buffer available on the CLI, but default to SDL’s default.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 553
diff changeset
27 maybe_double_buffer = options['double-buffer']
653a9f087673 Make both double- and single-buffer available on the CLI, but default to SDL’s default.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 553
diff changeset
28 double_buffer = maybe_double_buffer if maybe_double_buffer is not None else -1
558
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 557
diff changeset
29 use_vao = (major == 3 and minor >= 1) or major > 3
554
653a9f087673 Make both double- and single-buffer available on the CLI, but default to SDL’s default.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 553
diff changeset
30
556
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
31 is_legacy = flavor_name == 'legacy'
559
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
32 is_gles = flavor_name == 'es'
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33
559
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
34 if not is_gles:
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
35 try:
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
36 glsl_version = {'2.0': 110, '2.1': 120, '3.0': 130, '3.1': 140, '3.2': 150}[version]
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
37 except KeyError:
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
38 assert (major == 3 and minor == 3) or major > 3
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
39 glsl_version = 100 * major + 10 * minor
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
40 shader_header = '#version %d\n' % glsl_version
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
41 else:
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
42 glsl_version = {'2.0': 100, '3.0': 300}[version]
1be60813f7cb Get OpenGL ES 2.0 to work thanks to libepoxy. PCB textures will need swizzle in the shaders since BGRA isn’t natively supported on GLES.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 558
diff changeset
43 shader_header = '#version %d\n\nprecision highp float;\n' % glsl_version
557
0f2af7552462 Don’t hardcode GLSL version in our shaders, instead make them dependent on GL version.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 556
diff changeset
44
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45 #TODO: check for framebuffer/renderbuffer support.
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47 from pytouhou.ui.opengl.gamerenderer import GameRenderer
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50 def create_window(title, x, y, width, height):
556
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
51 sdl.gl_set_attribute(sdl.GL_CONTEXT_PROFILE_MASK, flavor)
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
52 sdl.gl_set_attribute(sdl.GL_CONTEXT_MAJOR_VERSION, major)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
53 sdl.gl_set_attribute(sdl.GL_CONTEXT_MINOR_VERSION, minor)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
54 sdl.gl_set_attribute(sdl.GL_DEPTH_SIZE, 24)
554
653a9f087673 Make both double- and single-buffer available on the CLI, but default to SDL’s default.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 553
diff changeset
55 if double_buffer >= 0:
653a9f087673 Make both double- and single-buffer available on the CLI, but default to SDL’s default.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 553
diff changeset
56 sdl.gl_set_attribute(sdl.GL_DOUBLEBUFFER, double_buffer)
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
57
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
58 flags = sdl.WINDOW_SHOWN | sdl.WINDOW_OPENGL
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
59
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
60 #TODO: legacy can support one of the framebuffer extensions.
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61 if not is_legacy:
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 flags |= sdl.WINDOW_RESIZABLE
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
63
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
64 window = Window(title, x, y, width, height, flags)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
65 window.gl_create_context()
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
66
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67 # Initialize OpenGL
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68 glEnable(GL_BLEND)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
69 if is_legacy:
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
70 glEnable(GL_TEXTURE_2D)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
71 glHint(GL_FOG_HINT, GL_NICEST)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
72 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
73 glEnableClientState(GL_COLOR_ARRAY)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
74 glEnableClientState(GL_VERTEX_ARRAY)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
75 glEnableClientState(GL_TEXTURE_COORD_ARRAY)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
77 return window