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annotate pytouhou/ui/opengl/backend_sdl.pyx @ 791:a29122662cde

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utils: Simplify translate_2d and align Mat4 to 16 bytes This lowers the amount of instructions from 61 to 32 on PowerPC with AltiVec, and from 25 to 14 on amd64 with AVX2.
author Link Mauve <linkmauve@linkmauve.fr>
date Sat, 17 Jan 2026 14:19:58 +0100
parents 80687f258001
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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635
80687f258001 Make sdl.Window inherit from gui.Window, so we can swap implementations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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1 from .backend cimport profile, major, minor, double_buffer, is_legacy
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2
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3 cimport pytouhou.lib.sdl as sdl
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4
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5
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6 def create_sdl_window(title, x, y, width, height):
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7 '''Create a window (using SDL) and an OpenGL context.'''
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8
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9 profile_mask = (sdl.GL_CONTEXT_PROFILE_CORE if profile == 'core' else
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10 sdl.GL_CONTEXT_PROFILE_ES if profile == 'es' else
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11 sdl.GL_CONTEXT_PROFILE_COMPATIBILITY)
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12
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13 sdl.gl_set_attribute(sdl.GL_CONTEXT_PROFILE_MASK, profile_mask)
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14 sdl.gl_set_attribute(sdl.GL_CONTEXT_MAJOR_VERSION, major)
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15 sdl.gl_set_attribute(sdl.GL_CONTEXT_MINOR_VERSION, minor)
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16 sdl.gl_set_attribute(sdl.GL_RED_SIZE, 8)
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17 sdl.gl_set_attribute(sdl.GL_GREEN_SIZE, 8)
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18 sdl.gl_set_attribute(sdl.GL_BLUE_SIZE, 8)
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19 sdl.gl_set_attribute(sdl.GL_DEPTH_SIZE, 24 if is_legacy else 0)
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20 if double_buffer >= 0:
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21 sdl.gl_set_attribute(sdl.GL_DOUBLEBUFFER, double_buffer)
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22
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23 flags = sdl.WINDOW_SHOWN | sdl.WINDOW_OPENGL
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24
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25 # Legacy contexts don’t support our required extensions for scaling.
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26 if not is_legacy:
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27 flags |= sdl.WINDOW_RESIZABLE
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28
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29 window = sdl.Window(title, x, y, width, height, flags)
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30 #window.create_gl_context()
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31
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32 #discover_features()
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33
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34 ## If we can’t use scaling but have previously created a resizable window,
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35 ## recreate it unresizable.
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36 #if not use_scaled_rendering and flags & sdl.WINDOW_RESIZABLE:
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37 # flags &= ~sdl.WINDOW_RESIZABLE
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parents:
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38 # window = sdl.Window(title, x, y, width, height, flags)
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39 # window.create_gl_context()
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40
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41 return window