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annotate pytouhou/ui/opengl/texture.pyx @ 637:afa012bb8021

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Hello Rust!
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 03 Jul 2019 16:27:12 +0200
parents a6af3ff86612
children
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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 cimport load_png, create_rgb_surface
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23 from pytouhou.lib.sdl import SDLError
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24 from pytouhou.formats.thtx import Texture #TODO: perhaps define that elsewhere?
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25 from pytouhou.game.text cimport NativeText
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27 from .backend cimport use_debug_group
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29 import os
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31 from pytouhou.utils.helpers import get_logger
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32 logger = get_logger(__name__)
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35 cdef class TextureManager:
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36 def __init__(self, loader=None, renderer=None, texture_class=None):
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37 self.loader = loader
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38 self.renderer = renderer
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39 self.texture_class = texture_class
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42 cdef bint load(self, dict anms) except True:
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43 if use_debug_group:
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44 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Texture loading")
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45
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46 for anm in sorted(anms.values(), key=is_ascii):
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47 if use_debug_group:
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48 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Loading textures from ANM")
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49
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50 for entry in anm:
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51 if entry.texture is None:
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52 texture = decode_png(self.loader, entry.first_name, entry.secondary_name)
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53 elif not isinstance(entry.texture, self.texture_class):
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54 texture = entry.texture
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55 entry.texture = self.texture_class(load_texture(texture), self.renderer)
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56
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57 if use_debug_group:
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58 glPopDebugGroup()
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59 anms.clear()
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60
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61 if use_debug_group:
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62 glPopDebugGroup()
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64
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65 def is_ascii(anm):
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66 return anm[0].first_name.endswith('ascii.png')
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67
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68
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69 cdef class FontManager:
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70 def __init__(self, fontname, fontsize=16, renderer=None, texture_class=None):
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71 self.font = Font(fontname, fontsize)
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72 self.renderer = renderer
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73 self.texture_class = texture_class
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76 cdef bint load(self, dict labels) except True:
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77 cdef NativeText label
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78
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79 if use_debug_group:
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80 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Text rendering")
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81
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82 for i, label in labels.items():
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83 if label.texture is None:
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84 try:
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85 surface = self.font.render(label.text)
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86 except SDLError as e:
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87 logger.error(u'Rendering of label “%s” failed: %s', label.text, e)
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88 del labels[i] # Prevents it from retrying to render.
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89 continue
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90
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91 label.width, label.height = surface.surface.w, surface.surface.h
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92
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93 if label.align == 'center':
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94 label.x -= label.width // 2
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95 elif label.align == 'right':
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96 label.x -= label.width
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97 else:
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98 assert label.align == 'left'
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99
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100 texture = Texture(label.width, label.height, -4, surface.pixels)
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101 label.texture = self.texture_class(load_texture(texture), self.renderer)
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102
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103 if use_debug_group:
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104 glPopDebugGroup()
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106
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107 cdef decode_png(loader, first_name, secondary_name):
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108 image_file = load_png(loader.get_file(os.path.basename(first_name)))
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109 width, height = image_file.surface.w, image_file.surface.h
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110
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111 # Support only 32 bits RGBA. Paletted surfaces are awful to work with.
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112 #TODO: verify it doesn’t blow up on big-endian systems.
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113 new_image = create_rgb_surface(width, height, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000)
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114 new_image.blit(image_file)
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115
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116 if secondary_name:
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117 alpha_file = load_png(loader.get_file(os.path.basename(secondary_name)))
455
6864a38b2413 Make pytouhou.lib.sdl cimportable, and convert pytouhou.ui.window.* to extension types.
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118 assert (width == alpha_file.surface.w and height == alpha_file.surface.h)
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119
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120 new_alpha_file = create_rgb_surface(width, height, 24)
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121 new_alpha_file.blit(alpha_file)
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122
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123 new_image.set_alpha(new_alpha_file)
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3a7b36324611 Replace Pyglet’s image loader with our SDL2_image-based one.
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124
426
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125 return Texture(width, height, -4, new_image.pixels)
393
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126
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127
515
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128 cdef GLuint load_texture(thtx) except? 65535:
426
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129 cdef GLuint texture
515
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130 cdef long fmt = thtx.fmt
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131
515
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132 if fmt == 1:
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133 #format_ = GL_BGRA
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134 format_ = GL_RGBA #XXX: should be GL_BGRA
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135 type_ = GL_UNSIGNED_BYTE
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136 composants = GL_RGBA
515
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137 elif fmt == 3:
426
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138 format_ = GL_RGB
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139 type_ = GL_UNSIGNED_SHORT_5_6_5
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140 composants = GL_RGB
515
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141 elif fmt == 5:
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parents: 525
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142 #format_ = GL_BGRA
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143 format_ = GL_RGBA #XXX: should be GL_BGRA
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144 #type_ = GL_UNSIGNED_SHORT_4_4_4_4_REV
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145 type_ = GL_UNSIGNED_SHORT_4_4_4_4 #XXX: should be GL_UNSIGNED_SHORT_4_4_4_4_REV
426
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146 composants = GL_RGBA
515
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147 elif fmt == 7:
426
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148 format_ = GL_LUMINANCE
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149 type_ = GL_UNSIGNED_BYTE
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150 composants = GL_LUMINANCE
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151 elif fmt == -4: #XXX: non-standard
426
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152 format_ = GL_RGBA
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153 type_ = GL_UNSIGNED_BYTE
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154 composants = GL_RGBA
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155 else:
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156 raise Exception('Unknown texture type')
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157
426
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158 glGenTextures(1, &texture)
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159 glBindTexture(GL_TEXTURE_2D, texture)
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160 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
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diff changeset
161 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
16
66ce9bb440ac Refactor in order to support multiple textures
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diff changeset
162
426
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163 glTexImage2D(GL_TEXTURE_2D, 0,
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164 composants,
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165 thtx.width, thtx.height,
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diff changeset
166 0,
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diff changeset
167 format_, type_,
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diff changeset
168 <char*>thtx.data)
393
9e2cbb2c2c64 Implement THTX, uncompressed textures stored inside ANM files, and use it instead of pyglet’s own wrapper.
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diff changeset
169
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
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diff changeset
170 return texture