Mercurial > touhou

annotate pytouhou/ui/shader.pyx @ 440:b9d2db93972f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add a base Element class for every object in pytouhou.game.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 30 Aug 2013 14:16:08 +0200
parents 878273a984c4
children 1b56d62250ab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
1 # -*- encoding: utf-8 -*-
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 #
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3 # Copyright Tristam Macdonald 2008.
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4 # Copyright Emmanuel Gil Peyrot 2012.
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 #
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 # Distributed under the Boost Software License, Version 1.0
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7 # (see http://www.boost.org/LICENSE_1_0.txt)
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8 #
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9 # Source: https://swiftcoder.wordpress.com/2008/12/19/simple-glsl-wrapper-for-pyglet/
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10 #
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
12 from pytouhou.lib.opengl cimport \
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
13 (glCreateProgram, glCreateShader, GL_VERTEX_SHADER,
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
14 GL_FRAGMENT_SHADER, glShaderSource, glCompileShader, glGetShaderiv,
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
15 GL_COMPILE_STATUS, GL_INFO_LOG_LENGTH, glGetShaderInfoLog,
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
16 glAttachShader, glLinkProgram, glGetProgramiv, glGetProgramInfoLog,
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
17 GL_LINK_STATUS, glUseProgram, glGetUniformLocation, glUniform1fv,
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
18 glUniform4fv, glUniformMatrix4fv, glBindAttribLocation, GLint,
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
19 GLuint, GLchar, GLfloat, GLenum)
383
0537af9125a7 Replace wildcard imports with normal ones.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 370
diff changeset
20
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
21 from libc.stdlib cimport malloc, free
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
22 from pytouhou.utils.matrix cimport Matrix
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
23
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
24
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
25 class GLSLException(Exception):
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
26 pass
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
27
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
29 cdef class Shader:
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
30 cdef GLuint handle
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
31 cdef bint linked
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
32 cdef dict location_cache
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
33
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
34 # vert and frag take arrays of source strings the arrays will be
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
35 # concattenated into one string by OpenGL
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 def __init__(self, vert=None, frag=None):
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
37 # create the program handle
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
38 self.handle = glCreateProgram()
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
39 # we are not linked yet
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
40 self.linked = False
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
42 # cache the uniforms location
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
43 self.location_cache = {}
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
44
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45 # create the vertex shader
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
46 self.create_shader(vert[0], GL_VERTEX_SHADER)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47 # create the fragment shader
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
48 self.create_shader(frag[0], GL_FRAGMENT_SHADER)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49
394
346614f788f1 Replace gl{Vertex,TexCoord,Color}Pointer with the more modern glVertexAttribPointer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 385
diff changeset
50 #TODO: put those elsewhere.
346614f788f1 Replace gl{Vertex,TexCoord,Color}Pointer with the more modern glVertexAttribPointer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 385
diff changeset
51 glBindAttribLocation(self.handle, 0, 'in_position')
346614f788f1 Replace gl{Vertex,TexCoord,Color}Pointer with the more modern glVertexAttribPointer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 385
diff changeset
52 glBindAttribLocation(self.handle, 1, 'in_texcoord')
346614f788f1 Replace gl{Vertex,TexCoord,Color}Pointer with the more modern glVertexAttribPointer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 385
diff changeset
53 glBindAttribLocation(self.handle, 2, 'in_color')
346614f788f1 Replace gl{Vertex,TexCoord,Color}Pointer with the more modern glVertexAttribPointer.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 385
diff changeset
54
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
55 # attempt to link the program
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
56 self.link()
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
57
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
58 cdef void create_shader(self, const GLchar *string, GLenum shader_type):
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
59 cdef GLint temp
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
60 cdef const GLchar **strings = &string
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 # create the shader handle
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
63 shader = glCreateShader(shader_type)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
64
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
65 # upload the source strings
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
66 glShaderSource(shader, 1, strings, NULL)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68 # compile the shader
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
69 glCompileShader(shader)
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
70
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
71 # retrieve the compile status
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
72 glGetShaderiv(shader, GL_COMPILE_STATUS, &temp)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
73
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
74 # if compilation failed, print the log
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
75 if not temp:
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76 # retrieve the log length
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
77 glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &temp)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
78 # create a buffer for the log
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
79 temp_buf = <GLchar*>malloc(temp * sizeof(GLchar))
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
80 # retrieve the log text
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
81 glGetShaderInfoLog(shader, temp, NULL, temp_buf)
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
82 buf = temp_buf[:temp]
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
83 free(temp_buf)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
84 # print the log to the console
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
85 raise GLSLException(buf)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
86 else:
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
87 # all is well, so attach the shader to the program
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
88 glAttachShader(self.handle, shader)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
89
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
90 cdef void link(self):
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
91 cdef GLint temp
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
92
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
93 # link the program
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
94 glLinkProgram(self.handle)
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
95
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
96 # retrieve the link status
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
97 glGetProgramiv(self.handle, GL_LINK_STATUS, &temp)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
98
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
99 # if linking failed, print the log
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
100 if not temp:
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
101 # retrieve the log length
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
102 glGetProgramiv(self.handle, GL_INFO_LOG_LENGTH, &temp)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
103 # create a buffer for the log
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
104 temp_buf = <GLchar*>malloc(temp * sizeof(GLchar))
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
105 # retrieve the log text
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
106 glGetProgramInfoLog(self.handle, temp, NULL, temp_buf)
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
107 buf = temp_buf[:temp]
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
108 free(temp_buf)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
109 # print the log to the console
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
110 raise GLSLException(buf)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
111 else:
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
112 # all is well, so we are linked
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
113 self.linked = True
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
114
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
115 cdef GLint get_uniform_location(self, name):
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
116 if name not in self.location_cache:
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
117 loc = glGetUniformLocation(self.handle, name)
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
118 if loc == -1:
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
119 raise GLSLException('Undefined {} uniform.'.format(name))
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
120 self.location_cache[name] = loc
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
121 return self.location_cache[name]
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
122
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
123 def bind(self):
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
124 # bind the program
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
125 glUseProgram(self.handle)
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
126
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
127 # upload a floating point uniform
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
128 # this program must be currently bound
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
129 def uniform_1(self, name, GLfloat val):
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
130 glUniform1fv(self.get_uniform_location(name), 1, &val)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
131
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
132 # upload a vec4 uniform
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
133 def uniform_4(self, name, GLfloat a, GLfloat b, GLfloat c, GLfloat d):
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
134 cdef GLfloat vals[4]
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
135 vals[0] = a
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
136 vals[1] = b
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
137 vals[2] = c
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
138 vals[3] = d
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
139 glUniform4fv(self.get_uniform_location(name), 1, vals)
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
140
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
141 # upload a uniform matrix
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
142 # works with matrices stored as lists,
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
143 # as well as euclid matrices
424
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
144 def uniform_matrix(self, name, Matrix mat):
f4d76d3d6f2a Make the Shader class use cython too.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 394
diff changeset
145 # obtain the uniform location
370
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
146 loc = self.get_uniform_location(name)
74471afbac37 Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
147 # uplaod the 4x4 floating point matrix
435
878273a984c4 Improve Matrix representation, using float[16] instead of imbricated python lists.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 424
diff changeset
148 glUniformMatrix4fv(loc, 1, False, mat.data)