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annotate pytouhou/ui/opengl/renderer.pyx @ 590:e15672733c93

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Switch to Python 3.x instead of 2.7.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 30 Sep 2014 17:14:24 +0200
parents 6c9d8a3d853f
children 974decb8df4f
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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 libc.stdlib cimport malloc, free
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16 from libc.string cimport memset
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17 from os.path import join
222
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18
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19 from pytouhou.lib.opengl cimport \
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20 (glVertexPointer, glTexCoordPointer, glColorPointer,
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21 glVertexAttribPointer, glEnableVertexAttribArray, glBlendFunc,
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22 glBindTexture, glDrawElements, glBindBuffer, glBufferData,
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23 GL_ARRAY_BUFFER, GL_DYNAMIC_DRAW, GL_UNSIGNED_BYTE,
518
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24 GL_UNSIGNED_SHORT, GL_SHORT, GL_FLOAT, GL_SRC_ALPHA,
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25 GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_TEXTURE_2D, GL_TRIANGLES,
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26 GL_TRIANGLE_STRIP, glGenBuffers, glDeleteBuffers,
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27 GLuint, glDeleteTextures, glGenVertexArrays, glDeleteVertexArrays,
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28 glBindVertexArray, glPushDebugGroup, GL_DEBUG_SOURCE_APPLICATION,
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29 glPopDebugGroup)
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31 from pytouhou.lib.sdl import SDLError
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32
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33 from pytouhou.game.element cimport Element
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34 from .sprite cimport get_sprite_rendering_data
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35 from .backend cimport is_legacy, use_debug_group, use_vao, use_primitive_restart
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36
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37 from pytouhou.utils.helpers import get_logger
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38
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39 logger = get_logger(__name__)
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40
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41
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42 cdef class Texture:
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43 def __cinit__(self, GLuint texture, Renderer renderer):
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44 self.texture = texture
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45
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46 # Find an unused key in the textures array.
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47 for key in range(MAX_TEXTURES):
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48 if renderer.textures[key] == 0:
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49 break
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50 else:
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51 raise MemoryError('Too many textures currently loaded, consider increasing MAX_TEXTURES (currently %d).' % MAX_TEXTURES)
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52
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53 self.key = key
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54 self.pointer = &renderer.textures[key]
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55 self.pointer[0] = texture
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56 for i in range(2):
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57 renderer.indices[key][i] = self.indices[i]
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58
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59 #XXX: keep a reference so that when __dealloc__ is called self.pointer is still valid.
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60 self.renderer = renderer
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61
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62 def __dealloc__(self):
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63 if self.texture:
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64 glDeleteTextures(1, &self.texture)
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65 if self.pointer != NULL:
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66 self.pointer[0] = 0
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67 # The dangling pointers in renderer.indices doesn’t matter, since we
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68 # won’t use them if no texture is loaded in that slot.
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69
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70
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71 cdef long find_objects(Renderer self, object elements) except -1:
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72 # Don’t type element as Element, or else the overriding of objects won’t work.
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73 cdef Element obj
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74 cdef long i = 0
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75 for element in elements:
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76 for obj in element.objects:
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77 sprite = obj.sprite
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78 if sprite and sprite.visible:
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79 # warning: no reference is preserved on the object—assuming the object will not die accidentally
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80 self.elements[i] = <PyObject*>obj
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81 i += 1
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82 if i >= 640*3-4:
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83 return i
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84 return i
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85
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86
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87 cdef class Renderer:
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88 def __dealloc__(self):
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89 if not is_legacy:
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90 glDeleteBuffers(1, &self.vbo)
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91
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92 if use_vao:
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93 glDeleteVertexArrays(1, &self.vao)
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94
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95
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96 def __init__(self, resource_loader):
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97 self.texture_manager = TextureManager(resource_loader, self, Texture)
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98 font_name = join(resource_loader.game_dir, 'font.ttf')
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99 try:
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100 self.font_manager = FontManager(font_name, 16, self, Texture)
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101 except SDLError:
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102 self.font_manager = None
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103 logger.error('Font file “%s” not found, disabling text rendering altogether.', font_name)
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104
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105 if not is_legacy:
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106 if use_debug_group:
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107 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Renderer creation")
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108
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109 glGenBuffers(1, &self.vbo)
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110
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111 if use_vao:
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112 glGenVertexArrays(1, &self.vao)
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113 glBindVertexArray(self.vao)
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114 self.set_state()
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115
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116 if use_debug_group:
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117 glPopDebugGroup()
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118
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119
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
120 cdef void set_state(self) nogil:
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
121 glBindBuffer(GL_ARRAY_BUFFER, self.vbo)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
122
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
123 #TODO: find a way to use offsetof() instead of those ugly substractions.
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
124 glVertexAttribPointer(0, 3, GL_SHORT, False, sizeof(Vertex), <void*>0)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
125 glEnableVertexAttribArray(0)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
126 glVertexAttribPointer(1, 2, GL_FLOAT, False, sizeof(Vertex), <void*>8)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
127 glEnableVertexAttribArray(1)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
128 glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, True, sizeof(Vertex), <void*>16)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
129 glEnableVertexAttribArray(2)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
130
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
131 glBindBuffer(GL_ARRAY_BUFFER, 0)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
132
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
133
468
feecdb4a8928 Add “except *” to cdef void functions, and type some more.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 464
diff changeset
134 cdef void render_elements(self, elements):
532
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
135 cdef Element element
301
6f1ca1cb5238 Avoid segfaults in the unlikely case a huge number of sprites is rendered.
Thibaut Girka <thib@sitedethib.com>
parents: 245
diff changeset
136
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
137 nb_elements = find_objects(self, elements)
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
138 if not nb_elements:
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
139 return
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
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parents: 503
diff changeset
140
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
141 nb_vertices = 0
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
142 memset(self.last_indices, 0, sizeof(self.last_indices))
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
143
590
e15672733c93 Switch to Python 3.x instead of 2.7.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
144 for element_idx in range(nb_elements):
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
145 element = <object>self.elements[element_idx]
532
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
146 ox, oy = <short>element.x, <short>element.y
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
147 data = get_sprite_rendering_data(element.sprite)
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
148 key = data.key
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
149
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
150 blendfunc = key & 1
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
151 texture = key >> 1
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
152
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
153 rec = self.indices[texture][blendfunc]
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
154 next_indice = self.last_indices[key]
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
155
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
156 # Pack data in buffer
532
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
157 x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4 = <short>data.pos[0], <short>data.pos[1], <short>data.pos[2], <short>data.pos[3], <short>data.pos[4], <short>data.pos[5], <short>data.pos[6], <short>data.pos[7], <short>data.pos[8], <short>data.pos[9], <short>data.pos[10], <short>data.pos[11]
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
158 r, g, b, a = data.color[0], data.color[1], data.color[2], data.color[3]
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
159 self.vertex_buffer[nb_vertices] = Vertex(x1 + ox, y1 + oy, z1, 0, data.left, data.bottom, r, g, b, a)
dacdcca59b66 Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 520
diff changeset
160 self.vertex_buffer[nb_vertices+1] = Vertex(x2 + ox, y2 + oy, z2, 0, data.right, data.bottom, r, g, b, a)
585
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
161 self.vertex_buffer[nb_vertices+2] = Vertex(x4 + ox, y4 + oy, z4, 0, data.left, data.top, r, g, b, a)
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
162 self.vertex_buffer[nb_vertices+3] = Vertex(x3 + ox, y3 + oy, z3, 0, data.right, data.top, r, g, b, a)
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
163
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
164 # Add indices
585
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
165 if use_primitive_restart:
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
166 rec[next_indice] = nb_vertices
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
167 rec[next_indice+1] = nb_vertices + 1
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
168 rec[next_indice+2] = nb_vertices + 2
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
169 rec[next_indice+3] = nb_vertices + 3
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
170 rec[next_indice+4] = 0xFFFF
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
171 self.last_indices[key] += 5
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
172 else:
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
173 rec[next_indice] = nb_vertices
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
174 rec[next_indice+1] = nb_vertices + 1
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
175 rec[next_indice+2] = nb_vertices + 2
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
176 rec[next_indice+3] = nb_vertices + 1
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
177 rec[next_indice+4] = nb_vertices + 2
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
178 rec[next_indice+5] = nb_vertices + 3
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
179 self.last_indices[key] += 6
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
180
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
181 nb_vertices += 4
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
182
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
183 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
184 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Elements drawing")
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
185
560
c759b97f4f81 Remove all reference to the old fixed pipeline option in the OpenGL backend, use the newer is_legacy one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 559
diff changeset
186 if is_legacy:
518
75ae628522c9 Use shorts instead of ints for vertex position, reducing the size of a vertex to 20 bytes from 24.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 515
diff changeset
187 glVertexPointer(3, GL_SHORT, sizeof(Vertex), &self.vertex_buffer[0].x)
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
188 glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), &self.vertex_buffer[0].u)
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
189 glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(Vertex), &self.vertex_buffer[0].r)
395
43413d4ff05b Don’t change the vertex attributes for each texture.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
190 else:
396
34a91f918e7c Use Buffer Objects instead of host pointers.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 395
diff changeset
191 glBindBuffer(GL_ARRAY_BUFFER, self.vbo)
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
192 glBufferData(GL_ARRAY_BUFFER, nb_vertices * sizeof(Vertex), &self.vertex_buffer[0], GL_DYNAMIC_DRAW)
558
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
193 glBindBuffer(GL_ARRAY_BUFFER, 0)
396
34a91f918e7c Use Buffer Objects instead of host pointers.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 395
diff changeset
194
558
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
195 if use_vao:
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
196 glBindVertexArray(self.vao)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
197 else:
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
198 self.set_state()
395
43413d4ff05b Don’t change the vertex attributes for each texture.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
199
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
200 # Don’t change the state when it’s not needed.
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
201 previous_blendfunc = -1
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
202 previous_texture = -1
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
203
590
e15672733c93 Switch to Python 3.x instead of 2.7.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 587
diff changeset
204 for key in range(2 * MAX_TEXTURES):
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
205 nb_indices = self.last_indices[key]
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
206 if not nb_indices:
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 435
diff changeset
207 continue
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
208
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
209 blendfunc = key & 1
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
210 texture = key >> 1
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
211
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
212 if blendfunc != previous_blendfunc:
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
213 glBlendFunc(GL_SRC_ALPHA, (GL_ONE_MINUS_SRC_ALPHA, GL_ONE)[blendfunc])
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
214 if texture != previous_texture:
515
b3193b43a86c Add an indirection layer for textures, to cope with drivers assigning them random names.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 513
diff changeset
215 glBindTexture(GL_TEXTURE_2D, self.textures[texture])
585
e0166cda75d5 Use primitive-restart to lower the size of our ibo, if supported.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 582
diff changeset
216 glDrawElements(GL_TRIANGLE_STRIP if use_primitive_restart else GL_TRIANGLES, nb_indices, GL_UNSIGNED_SHORT, self.indices[texture][blendfunc])
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
217
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
218 previous_blendfunc = blendfunc
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
219 previous_texture = texture
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
220
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
221 glBindTexture(GL_TEXTURE_2D, 0)
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
222
560
c759b97f4f81 Remove all reference to the old fixed pipeline option in the OpenGL backend, use the newer is_legacy one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 559
diff changeset
223 if not is_legacy and use_vao:
558
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
224 glBindVertexArray(0)
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
225
6e79756b7f42 Don’t call gl*DebugGroup if it isn’t exposed by the driver.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 579
diff changeset
226 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
227 glPopDebugGroup()
456
cae1ae9de430 Add native text support, MSG instructions 3 and 8, and text at the beginning of a stage.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 449
diff changeset
228
cae1ae9de430 Add native text support, MSG instructions 3 and 8, and text at the beginning of a stage.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 449
diff changeset
229
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
230 cdef void render_quads(self, rects, colors, GLuint texture):
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231 # There is nothing that batch more than two quads on the same texture, currently.
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232 cdef Vertex buf[8]
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233 cdef unsigned short indices[12]
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234 indices[:] = [0, 1, 2, 2, 3, 0, 4, 5, 6, 6, 7, 4]
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235
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236 length = len(rects)
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237 assert length == len(colors)
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238
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239 for i, r in enumerate(rects):
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240 c1, c2, c3, c4 = colors[i]
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241
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242 buf[4*i] = Vertex(r.x, r.y, 0, 0, 0, 0, c1.r, c1.g, c1.b, c1.a)
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243 buf[4*i+1] = Vertex(r.x + r.w, r.y, 0, 0, 1, 0, c2.r, c2.g, c2.b, c2.a)
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244 buf[4*i+2] = Vertex(r.x + r.w, r.y + r.h, 0, 0, 1, 1, c3.r, c3.g, c3.b, c3.a)
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245 buf[4*i+3] = Vertex(r.x, r.y + r.h, 0, 0, 0, 1, c4.r, c4.g, c4.b, c4.a)
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246
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247 if use_debug_group:
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248 glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, "Quads drawing")
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249
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250 if is_legacy:
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251 glVertexPointer(3, GL_SHORT, sizeof(Vertex), &buf[0].x)
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252 glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), &buf[0].u)
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253 glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(Vertex), &buf[0].r)
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254 else:
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255 glBindBuffer(GL_ARRAY_BUFFER, self.vbo)
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256 glBufferData(GL_ARRAY_BUFFER, 4 * length * sizeof(Vertex), buf, GL_DYNAMIC_DRAW)
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257 glBindBuffer(GL_ARRAY_BUFFER, 0)
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258
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259 if use_vao:
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260 glBindVertexArray(self.vao)
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261 else:
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262 self.set_state()
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263
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264 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
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265 glBindTexture(GL_TEXTURE_2D, texture)
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266 glDrawElements(GL_TRIANGLES, 6 * length, GL_UNSIGNED_SHORT, indices)
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267
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268 if use_debug_group:
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269 glPopDebugGroup()