Mercurial > touhou

annotate pytouhou/ui/opengl/backend.pyx @ 597:244c99c568c8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don’t hardcode the available games and interfaces, and relocation them.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 25 Oct 2014 18:52:16 +0200
parents b7b4a234bf70
children 23b9418e4b2f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
589
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
1 from pytouhou.lib import sdl
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 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
3 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
4
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 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
6 (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
7 GL_PERSPECTIVE_CORRECTION_HINT, GL_FOG_HINT, GL_NICEST,
579
b8df946d394d Add grouping for OpenGL calls, making traces much more readable.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 559
diff changeset
8 GL_COLOR_ARRAY, GL_VERTEX_ARRAY, GL_TEXTURE_COORD_ARRAY,
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
9 glPushDebugGroup, GL_DEBUG_SOURCE_APPLICATION, glPopDebugGroup,
585
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 583
diff changeset
10 epoxy_gl_version, epoxy_is_desktop_gl, epoxy_has_gl_extension,
592
19d930f9e3f0 Add the screenshot feature, using P or Home like the original game.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 590
diff changeset
11 GL_PRIMITIVE_RESTART, glPrimitiveRestartIndex, glPixelStorei,
593
974decb8df4f Only selects between GL_TRIANGLE_STRIP and GL_TRIANGLES once, in the backend.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 592
diff changeset
12 GL_PACK_INVERT_MESA, GL_TRIANGLE_STRIP, GL_TRIANGLES)
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
14
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
15 GameRenderer = None
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
16
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
17
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
18 def init(options):
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
19 '''
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
20 Initialize the OpenGL module, and raise if something bad prevents it from
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
21 working.
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
22 '''
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
23
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
24 cdef str flavor
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
25
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
26 global profile, major, minor, double_buffer, is_legacy, GameRenderer
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
27
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
28 flavor = options['flavor']
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
29 assert flavor in ('core', 'es', 'compatibility', 'legacy')
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
30 profile = (sdl.GL_CONTEXT_PROFILE_CORE if flavor == 'core' else
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
31 sdl.GL_CONTEXT_PROFILE_ES if flavor == 'es' else
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
32 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
33
556
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
34 version = str(options['version'])
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
35 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
36 major = int(version[0])
c34b23e29d16 Make the OpenGL flavor and version options work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 555
diff changeset
37 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
38
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
39 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
40 double_buffer = maybe_double_buffer if maybe_double_buffer is not None else -1
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
41
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
42 is_legacy = flavor == 'legacy' or flavor == 'compatibility' and major < 2
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
43
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
44 #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
45
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46 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
47
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
49 cdef void discover_features() except *:
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
50 '''Discover which features are supported by our context.'''
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
51
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
52 global use_debug_group, use_vao, use_primitive_restart, use_framebuffer_blit, use_pack_invert
593
974decb8df4f Only selects between GL_TRIANGLE_STRIP and GL_TRIANGLES once, in the backend.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 592
diff changeset
53 global primitive_mode
974decb8df4f Only selects between GL_TRIANGLE_STRIP and GL_TRIANGLES once, in the backend.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 592
diff changeset
54 global shader_header
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
55 global is_legacy
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
56
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
57 version = epoxy_gl_version()
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
58 is_desktop = epoxy_is_desktop_gl()
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
59 is_legacy = is_desktop and version < 20
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
60
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
61 use_debug_group = (is_desktop and version >= 43) or epoxy_has_gl_extension('GL_KHR_debug')
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
62 use_vao = (is_desktop and version >= 30) or epoxy_has_gl_extension('GL_ARB_vertex_array_object')
585
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 583
diff changeset
63 use_primitive_restart = (is_desktop and version >= 31)
587
6c9d8a3d853f Use ARB_framebuffer_blit instead of a second rendering pass for scaled rendering, if supported, and remove framebuffer stuff from the Renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
64 use_framebuffer_blit = (is_desktop and version >= 30)
592
19d930f9e3f0 Add the screenshot feature, using P or Home like the original game.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 590
diff changeset
65 use_pack_invert = epoxy_has_gl_extension('GL_MESA_pack_invert')
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
66
593
974decb8df4f Only selects between GL_TRIANGLE_STRIP and GL_TRIANGLES once, in the backend.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 592
diff changeset
67 primitive_mode = GL_TRIANGLE_STRIP if use_primitive_restart else GL_TRIANGLES
974decb8df4f Only selects between GL_TRIANGLE_STRIP and GL_TRIANGLES once, in the backend.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 592
diff changeset
68
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
69 if not is_legacy:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
70 if is_desktop:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
71 # gl_FragColor isn’t supported anymore starting with GLSL 4.2.
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
72 if version >= 42:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
73 version = 41
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
74 try:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
75 glsl_version = {20: 110, 21: 120, 30: 130, 31: 140, 32: 150}[version]
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
76 except KeyError:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
77 assert version >= 33
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
78 glsl_version = version * 10
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
79 shader_header = ('#version %d\n\n' % glsl_version).encode()
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
80 else:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
81 # The attribute keyword isn’t supported past GLSL ES 3.0.
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
82 if version >= 30:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
83 version = 20
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
84 glsl_version = {20: '100', 30: '300 es'}[version]
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
85 shader_header = ('#version %s\n\nprecision highp float;\n\n' % glsl_version).encode()
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
86
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
87
589
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
88 def create_window(title, x, y, width, height, swap_interval):
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
89 '''Create a window (using SDL) and an OpenGL context.'''
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
90
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
91 sdl.gl_set_attribute(sdl.GL_CONTEXT_PROFILE_MASK, profile)
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
92 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
93 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
94 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
95 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
96 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
97
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
98 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
99 if not is_legacy:
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
100 flags |= sdl.WINDOW_RESIZABLE
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
101
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
102 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
103 window.gl_create_context()
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
104
583
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
105 discover_features()
47cf4e3d159d Use libepoxy to discover the actual GL version we are using, and available extensions.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
106
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
107 #TODO: legacy could support one of the framebuffer extensions for resize,
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
108 # but for now set the window to a fixed size.
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
109 if is_legacy and flags & sdl.WINDOW_RESIZABLE:
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
110 flags &= ~sdl.WINDOW_RESIZABLE
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
111 window = Window(title, x, y, width, height, flags)
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
112 window.gl_create_context()
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
113
582
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
114 if use_debug_group:
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
115 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "OpenGL initialisation")
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
116
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
117 # Initialize OpenGL
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
118 glEnable(GL_BLEND)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
119 if is_legacy:
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
120 glEnable(GL_TEXTURE_2D)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
121 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
122 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
123 glEnableClientState(GL_COLOR_ARRAY)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
124 glEnableClientState(GL_VERTEX_ARRAY)
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
125 glEnableClientState(GL_TEXTURE_COORD_ARRAY)
582
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
126
585
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 583
diff changeset
127 if use_primitive_restart:
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 583
diff changeset
128 glEnable(GL_PRIMITIVE_RESTART)
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 583
diff changeset
129 glPrimitiveRestartIndex(0xFFFF);
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 583
diff changeset
130
592
19d930f9e3f0 Add the screenshot feature, using P or Home like the original game.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 590
diff changeset
131 if use_pack_invert:
19d930f9e3f0 Add the screenshot feature, using P or Home like the original game.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 590
diff changeset
132 glPixelStorei(GL_PACK_INVERT_MESA, True)
19d930f9e3f0 Add the screenshot feature, using P or Home like the original game.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 590
diff changeset
133
582
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
134 if use_debug_group:
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
135 glPopDebugGroup()
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
136
589
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
137 if swap_interval is not None:
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
138 try:
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
139 sdl.gl_set_swap_interval(swap_interval)
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
140 except sdl.SDLError:
595
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
141 # The OpenGL context doesn’t support setting the swap interval,
b7b4a234bf70 Fix legacy OpenGL support, and detect the absence of non-legacy context with libepoxy.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 593
diff changeset
142 # we’ll probably fallback to SDL_Delay-based clocking.
589
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
143 pass
0768122da817 Add a frameskip option, and use swap interval to implement it.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
144
553
8f51e34d911c Refactor graphics backend selection, to make them fallbackable and optional.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
145 return window