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annotate pytouhou/ui/opengl/texture.pyx @ 796:d876ac2ccfe1 default tip

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Pass audio only once to GameRunner This prevents it being recreated every stage change, and playing music over the previous stages’ music.
author Link Mauve <linkmauve@linkmauve.fr>
date Sun, 28 Jun 2026 14:27:03 +0200
parents 7e940ebeb5fd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
52
ab826bc29aa2 Add some documentation, GPLv3 headers, README and COPYING file.
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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14
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15 from pytouhou.lib.opengl cimport \
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16 (glTexParameteri, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER,
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17 GL_LINEAR, GL_BGRA, GL_RGBA, GL_RGB, GL_LUMINANCE, GL_UNSIGNED_BYTE,
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18 GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_4_4_4_4,
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19 glGenTextures, glBindTexture, glTexImage2D, GL_TEXTURE_2D, GLuint,
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20 glPushDebugGroup, GL_DEBUG_SOURCE_APPLICATION, glPopDebugGroup)
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22 from pytouhou.lib.sdl import SDLError
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23 from pytouhou.formats.thtx import Texture #TODO: perhaps define that elsewhere?
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24 from pytouhou.game.text cimport NativeText
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26 from .backend cimport use_debug_group
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28 import os
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30 from pytouhou.utils.helpers import get_logger
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31 logger = get_logger(__name__)
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34 cdef class TextureManager:
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35 def __init__(self, loader=None, renderer=None, texture_class=None):
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36 self.loader = loader
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37 self.renderer = renderer
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38 self.texture_class = texture_class
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40
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41 cdef bint load(self, dict anms) except True:
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42 if use_debug_group:
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43 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Texture loading")
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44
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45 for anm in sorted(anms.values(), key=is_ascii):
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46 if use_debug_group:
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47 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Loading textures from ANM")
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48
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49 for entry in anm:
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50 if entry.texture is None:
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51 texture = decode_png(self.loader, entry.first_name, entry.secondary_name)
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52 elif not isinstance(entry.texture, self.texture_class):
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53 texture = entry.texture
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54 entry.texture = self.texture_class(load_texture(texture), self.renderer)
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55
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56 if use_debug_group:
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57 glPopDebugGroup()
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58 anms.clear()
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59
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60 if use_debug_group:
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61 glPopDebugGroup()
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62
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63
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64 def is_ascii(anm):
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65 return anm[0].first_name.endswith('ascii.png')
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66
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67
456
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68 cdef class FontManager:
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69 def __init__(self, fontname, fontsize=16, renderer=None, texture_class=None):
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70 self.font = Font(fontname, fontsize)
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71 self.renderer = renderer
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72 self.texture_class = texture_class
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73
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74
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75 cdef bint load(self, dict labels) except True:
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76 cdef NativeText label
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77
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78 if use_debug_group:
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79 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Text rendering")
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81 for i, label in labels.items():
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82 if label.texture is None:
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83 try:
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84 surface = self.font.render(label.text)
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85 except SDLError as e:
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86 logger.error(u'Rendering of label “%s” failed: %s', label.text, e)
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87 del labels[i] # Prevents it from retrying to render.
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88 continue
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89
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90 label.width, label.height = surface.surface.w, surface.surface.h
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91
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92 if label.align == 'center':
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93 label.x -= label.width // 2
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94 elif label.align == 'right':
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95 label.x -= label.width
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96 else:
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97 assert label.align == 'left'
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98
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99 texture = Texture(label.width, label.height, -4, surface.pixels)
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100 label.texture = self.texture_class(load_texture(texture), self.renderer)
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101
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102 if use_debug_group:
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103 glPopDebugGroup()
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105
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106 cdef decode_png(loader, first_name, secondary_name):
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107 if secondary_name is not None:
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108 image = loader.get_image_with_alpha(first_name, secondary_name)
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109 else:
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110 image = loader.get_image(first_name)
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111 width, height = image.dimensions
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112 return Texture(width, height, -4, image.pixels)
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113
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114
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115 cdef GLuint load_texture(thtx) except? 65535:
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116 cdef GLuint texture
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117 cdef long fmt = thtx.fmt
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118
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119 if fmt == 1:
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120 #format_ = GL_BGRA
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121 format_ = GL_RGBA #XXX: should be GL_BGRA
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122 type_ = GL_UNSIGNED_BYTE
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123 composants = GL_RGBA
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124 elif fmt == 3:
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125 format_ = GL_RGB
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126 type_ = GL_UNSIGNED_SHORT_5_6_5
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127 composants = GL_RGB
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128 elif fmt == 5:
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 525
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129 #format_ = GL_BGRA
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 525
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130 format_ = GL_RGBA #XXX: should be GL_BGRA
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: 525
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131 #type_ = GL_UNSIGNED_SHORT_4_4_4_4_REV
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 525
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132 type_ = GL_UNSIGNED_SHORT_4_4_4_4 #XXX: should be GL_UNSIGNED_SHORT_4_4_4_4_REV
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133 composants = GL_RGBA
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134 elif fmt == 7:
426
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135 format_ = GL_LUMINANCE
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136 type_ = GL_UNSIGNED_BYTE
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137 composants = GL_LUMINANCE
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138 elif fmt == -4: #XXX: non-standard
426
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139 format_ = GL_RGBA
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140 type_ = GL_UNSIGNED_BYTE
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141 composants = GL_RGBA
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142 else:
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143 raise Exception('Unknown texture type')
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144
426
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145 glGenTextures(1, &texture)
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146 glBindTexture(GL_TEXTURE_2D, texture)
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147 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
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148 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
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149
426
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150 glTexImage2D(GL_TEXTURE_2D, 0,
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151 composants,
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152 thtx.width, thtx.height,
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153 0,
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154 format_, type_,
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155 <char*>thtx.data)
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9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
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parents: 392
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156
505
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157 return texture