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annotate pytouhou/ui/opengl/renderer.pyx @ 558:94725968dabb

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Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 12 Dec 2013 13:47:17 +0100
parents d6d9a711253d
children 1be60813f7cb
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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
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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_ZERO, GL_TEXTURE_2D, GL_TRIANGLES,
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26 glGenBuffers, glBindFramebuffer, glViewport, glDeleteBuffers,
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27 glGenTextures, glTexParameteri, glTexImage2D, glGenRenderbuffers,
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28 glBindRenderbuffer, glRenderbufferStorage, glGenFramebuffers,
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29 glFramebufferTexture2D, glFramebufferRenderbuffer,
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30 glCheckFramebufferStatus, GL_FRAMEBUFFER, GL_TEXTURE_MIN_FILTER,
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31 GL_LINEAR, GL_TEXTURE_MAG_FILTER, GL_RGBA, GL_RENDERBUFFER,
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32 GL_DEPTH_COMPONENT, GL_COLOR_ATTACHMENT0, GL_DEPTH_ATTACHMENT,
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33 GL_FRAMEBUFFER_COMPLETE, glClear, GL_COLOR_BUFFER_BIT,
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34 GL_DEPTH_BUFFER_BIT, GLuint, glDeleteTextures,
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35 GL_ELEMENT_ARRAY_BUFFER, GL_STATIC_DRAW, glGenVertexArrays,
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36 glDeleteVertexArrays, glBindVertexArray)
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37
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38 from pytouhou.lib.sdl import SDLError
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39
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40 from pytouhou.game.element cimport Element
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41 from .sprite cimport get_sprite_rendering_data
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42 from .backend cimport use_vao
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43
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44 from pytouhou.utils.helpers import get_logger
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45
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46 logger = get_logger(__name__)
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47
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48
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49 cdef class Texture:
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50 def __cinit__(self, GLuint texture, Renderer renderer):
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51 self.texture = texture
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52
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53 # Find an unused key in the textures array.
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54 for key in xrange(MAX_TEXTURES):
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55 if renderer.textures[key] == 0:
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56 break
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57 else:
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58 raise MemoryError('Too many textures currently loaded, consider increasing MAX_TEXTURES (currently %d).' % MAX_TEXTURES)
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59
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60 self.key = key
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61 self.pointer = &renderer.textures[key]
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62 self.pointer[0] = texture
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63 for i in xrange(2):
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64 renderer.indices[key][i] = self.indices[i]
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65
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66 #XXX: keep a reference so that when __dealloc__ is called self.pointer is still valid.
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67 self.renderer = renderer
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68
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69 def __dealloc__(self):
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70 if self.texture:
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71 glDeleteTextures(1, &self.texture)
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72 if self.pointer != NULL:
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73 self.pointer[0] = 0
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74 # The dangling pointers in renderer.indices doesn’t matter, since we
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75 # won’t use them if no texture is loaded in that slot.
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76
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77
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78 cdef long find_objects(Renderer self, object elements) except -1:
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79 # Don’t type element as Element, or else the overriding of objects won’t work.
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80 cdef Element obj
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81 cdef long i = 0
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82 for element in elements:
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83 for obj in element.objects:
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84 sprite = obj.sprite
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85 if sprite and sprite.visible:
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86 # warning: no reference is preserved on the object—assuming the object will not die accidentally
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87 self.elements[i] = <PyObject*>obj
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88 i += 1
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89 if i >= 640*3-4:
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90 return i
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91 return i
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92
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93
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94 cdef class Renderer:
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95 def __dealloc__(self):
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96 if not self.use_fixed_pipeline:
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97 glDeleteBuffers(1, &self.framebuffer_vbo)
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98 glDeleteBuffers(1, &self.vbo)
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99
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100 if use_vao:
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101 glDeleteVertexArrays(1, &self.vao)
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102 glDeleteVertexArrays(1, &self.framebuffer_vao)
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103
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104
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105 def __init__(self, resource_loader):
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106 # Only used in modern GL.
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107 cdef unsigned short framebuffer_indices[6]
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108
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109 self.texture_manager = TextureManager(resource_loader, self, Texture)
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110 font_name = join(resource_loader.game_dir, 'font.ttf')
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111 try:
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112 self.font_manager = FontManager(font_name, 16, self, Texture)
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113 except SDLError:
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114 self.font_manager = None
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115 logger.error('Font file “%s” not found, disabling text rendering altogether.', font_name)
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116
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117 if not self.use_fixed_pipeline:
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118 framebuffer_indices[:] = [0, 1, 2, 2, 3, 0]
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
119
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
120 glGenBuffers(1, &self.vbo)
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
121 glGenBuffers(1, &self.framebuffer_vbo)
520
c0b3f8709f74 Store the indices of the framebuffer in a static ibo.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
122 glGenBuffers(1, &self.framebuffer_ibo)
c0b3f8709f74 Store the indices of the framebuffer in a static ibo.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
123
c0b3f8709f74 Store the indices of the framebuffer in a static ibo.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
124 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.framebuffer_ibo)
c0b3f8709f74 Store the indices of the framebuffer in a static ibo.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
125 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(framebuffer_indices), framebuffer_indices, GL_STATIC_DRAW)
c0b3f8709f74 Store the indices of the framebuffer in a static ibo.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
126 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
127
558
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
128 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
129 glGenVertexArrays(1, &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
130 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
131 self.set_state()
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
132
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parents: 539
diff changeset
133 glGenVertexArrays(1, &self.framebuffer_vao)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
134 glBindVertexArray(self.framebuffer_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
135 self.set_framebuffer_state()
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
136 glBindVertexArray(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
137
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
138
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
139 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
140 glBindBuffer(GL_ARRAY_BUFFER, self.vbo)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
141
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
142 #TODO: find a way to use offsetof() instead of those ugly substractions.
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
143 glVertexAttribPointer(0, 3, GL_SHORT, False, sizeof(Vertex), <void*>0)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
144 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
145 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
146 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
147 glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, True, sizeof(Vertex), <void*>16)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
148 glEnableVertexAttribArray(2)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
149
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
150 glBindBuffer(GL_ARRAY_BUFFER, 0)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
151
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
152
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
153 cdef void set_framebuffer_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
154 glBindBuffer(GL_ARRAY_BUFFER, self.framebuffer_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
155 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.framebuffer_ibo)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
156
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
157 #TODO: find a way to use offsetof() instead of those ugly hardcoded values.
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
158 glVertexAttribPointer(0, 2, GL_SHORT, False, sizeof(PassthroughVertex), <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
159 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
160 glVertexAttribPointer(1, 2, GL_FLOAT, False, sizeof(PassthroughVertex), <void*>4)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
161 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
162
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
163 glBindBuffer(GL_ARRAY_BUFFER, 0)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
164
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
165
468
feecdb4a8928 Add “except *” to cdef void functions, and type some more.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 464
diff changeset
166 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
167 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
168
505
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
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parents: 503
diff changeset
169 nb_elements = find_objects(self, elements)
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parents: 503
diff changeset
170 if not nb_elements:
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parents: 503
diff changeset
171 return
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parents: 503
diff changeset
172
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
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parents: 435
diff changeset
173 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
174 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
175
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
176 for element_idx in xrange(nb_elements):
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
177 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
178 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
179 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
180 key = data.key
449
d56536ef28e8 Improve render_elements’ speed a lot, and fix it in some corner cases. Thanks liori!
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parents: 435
diff changeset
181
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
182 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
183 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
184
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
185 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
186 next_indice = self.last_indices[key]
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
187
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
188 # 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
189 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
190 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
191 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
192 self.vertex_buffer[nb_vertices+1] = Vertex(x2 + ox, y2 + oy, z2, 0, data.right, 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
193 self.vertex_buffer[nb_vertices+2] = Vertex(x3 + ox, y3 + oy, z3, 0, data.right, data.top, 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
194 self.vertex_buffer[nb_vertices+3] = Vertex(x4 + ox, y4 + oy, z4, 0, data.left, data.top, r, g, b, a)
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
195
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
196 # Add 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
197 rec[next_indice] = nb_vertices
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
198 rec[next_indice+1] = nb_vertices + 1
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
199 rec[next_indice+2] = nb_vertices + 2
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
200 rec[next_indice+3] = nb_vertices + 2
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
201 rec[next_indice+4] = nb_vertices + 3
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
202 rec[next_indice+5] = nb_vertices
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
203 self.last_indices[key] += 6
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
204
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_vertices += 4
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
206
395
43413d4ff05b Don’t change the vertex attributes for each texture.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
207 if self.use_fixed_pipeline:
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
208 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
209 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
210 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
211 else:
396
34a91f918e7c Use Buffer Objects instead of host pointers.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 395
diff changeset
212 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
213 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
214 glBindBuffer(GL_ARRAY_BUFFER, 0)
396
34a91f918e7c Use Buffer Objects instead of host pointers.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 395
diff changeset
215
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
216 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
217 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
218 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
219 self.set_state()
395
43413d4ff05b Don’t change the vertex attributes for each texture.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
220
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
221 # 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
222 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
223 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
224
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
225 for key in xrange(2 * MAX_TEXTURES):
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
226 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
227 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
228 continue
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
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 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
231 texture = key >> 1
423
d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 412
diff changeset
232
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
233 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
234 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
235 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
236 glBindTexture(GL_TEXTURE_2D, self.textures[texture])
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
237 glDrawElements(GL_TRIANGLES, nb_indices, GL_UNSIGNED_SHORT, self.indices[texture][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
238
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
239 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
240 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
241
bfea9e9a6845 Manage the texture-specific indices in the Texture, and some more renderer optimisations.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 503
diff changeset
242 glBindTexture(GL_TEXTURE_2D, 0)
222
5cac48b328ad Refactor rendering code a bit.
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
243
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
244 if not self.use_fixed_pipeline and 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
245 glBindVertexArray(0)
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
246
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
247
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
248 cdef void render_quads(self, rects, colors, GLuint texture):
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
249 # There is nothing that batch more than two quads on the same texture, currently.
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
250 cdef Vertex buf[8]
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
251 cdef unsigned short indices[12]
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
252 indices[:] = [0, 1, 2, 2, 3, 0, 4, 5, 6, 6, 7, 4]
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
253
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
254 length = len(rects)
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
255 assert length == len(colors)
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
256
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
257 for i, r in enumerate(rects):
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
258 c1, c2, c3, c4 = colors[i]
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
259
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
260 buf[4*i] = Vertex(r.x, r.y, 0, 0, 0, 0, c1.r, c1.g, c1.b, c1.a)
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
261 buf[4*i+1] = Vertex(r.x + r.w, r.y, 0, 0, 1, 0, c2.r, c2.g, c2.b, c2.a)
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
262 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)
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
263 buf[4*i+3] = Vertex(r.x, r.y + r.h, 0, 0, 0, 1, c4.r, c4.g, c4.b, c4.a)
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
264
461
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
265 if self.use_fixed_pipeline:
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
266 glVertexPointer(3, GL_SHORT, sizeof(Vertex), &buf[0].x)
461
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
267 glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), &buf[0].u)
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
268 glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(Vertex), &buf[0].r)
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
269 else:
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
270 glBindBuffer(GL_ARRAY_BUFFER, self.vbo)
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
271 glBufferData(GL_ARRAY_BUFFER, 4 * length * sizeof(Vertex), buf, 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
272 glBindBuffer(GL_ARRAY_BUFFER, 0)
461
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
273
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
274 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
275 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
276 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
277 self.set_state()
461
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
278
539
d6d9a711253d Fix text sometimes being drawn with a wrong blend func.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 537
diff changeset
279 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
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
280 glBindTexture(GL_TEXTURE_2D, texture)
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
281 glDrawElements(GL_TRIANGLES, 6 * length, GL_UNSIGNED_SHORT, indices)
461
6af3854ed826 Make NativeText work with the fixed pipeline.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 456
diff changeset
282
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
283
503
c622eaf64428 Optimize GameRunner some more, fix replay, and remove Window dependency in Renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 468
diff changeset
284 cdef void render_framebuffer(self, Framebuffer fb):
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
285 cdef PassthroughVertex[4] buf
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
286
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
287 assert not self.use_fixed_pipeline
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
288
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
289 glBindFramebuffer(GL_FRAMEBUFFER, 0)
503
c622eaf64428 Optimize GameRunner some more, fix replay, and remove Window dependency in Renderer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 468
diff changeset
290 glViewport(self.x, self.y, self.width, self.height)
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
291 glBlendFunc(GL_ONE, GL_ZERO)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
292 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
293
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
294 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
295 glBindVertexArray(self.framebuffer_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
296 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
297 self.set_framebuffer_state()
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
298
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
299 buf[0] = PassthroughVertex(fb.x, fb.y, 0, 1)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
300 buf[1] = PassthroughVertex(fb.x + fb.width, fb.y, 1, 1)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
301 buf[2] = PassthroughVertex(fb.x + fb.width, fb.y + fb.height, 1, 0)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
302 buf[3] = PassthroughVertex(fb.x, fb.y + fb.height, 0, 0)
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
303
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
304 glBindBuffer(GL_ARRAY_BUFFER, self.framebuffer_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
305 glBufferData(GL_ARRAY_BUFFER, sizeof(buf), buf, GL_DYNAMIC_DRAW)
94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 539
diff changeset
306 glBindBuffer(GL_ARRAY_BUFFER, 0)
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
307
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
308 glBindTexture(GL_TEXTURE_2D, fb.texture)
520
c0b3f8709f74 Store the indices of the framebuffer in a static ibo.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 518
diff changeset
309 glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, NULL)
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
310 glBindTexture(GL_TEXTURE_2D, 0)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
311
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
312 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
313 glBindVertexArray(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
314 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
315 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
462
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
316
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
317
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
318 cdef class Framebuffer:
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
319 def __init__(self, int x, int y, int width, int height):
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
320 self.x = x
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
321 self.y = y
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
322 self.width = width
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
323 self.height = height
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
324
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
325 glGenTextures(1, &self.texture)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
326 glBindTexture(GL_TEXTURE_2D, self.texture)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
327 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
328 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
329 glTexImage2D(GL_TEXTURE_2D, 0,
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
330 GL_RGBA,
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
331 width, height,
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
332 0,
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
333 GL_RGBA, GL_UNSIGNED_BYTE,
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
334 NULL)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
335 glBindTexture(GL_TEXTURE_2D, 0)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
336
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
337 glGenRenderbuffers(1, &self.rbo)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
338 glBindRenderbuffer(GL_RENDERBUFFER, self.rbo)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
339 glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
340 glBindRenderbuffer(GL_RENDERBUFFER, 0)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
341
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
342 glGenFramebuffers(1, &self.fbo)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
343 glBindFramebuffer(GL_FRAMEBUFFER, self.fbo)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
344 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, self.texture, 0)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
345 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, self.rbo)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
346 assert glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
347 glBindFramebuffer(GL_FRAMEBUFFER, 0)
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
348
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
349 cpdef bind(self):
a71b912b45b7 Render to framebuffers first, and reposition some interface elements in the game area.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 461
diff changeset
350 glBindFramebuffer(GL_FRAMEBUFFER, self.fbo)