1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407
|
'''OpenGL extension VERSION.GLES2_2_0
This module customises the behaviour of the
OpenGL.raw.GLES2.VERSION.GLES2_2_0 to provide a more
Python-friendly API
The official definition of this extension is available here:
http://www.opengl.org/registry/specs/VERSION/GLES2_2_0.txt
'''
from OpenGL import platform, constant, arrays
from OpenGL import extensions, wrapper
import ctypes
from OpenGL.raw.GLES2 import _types, _glgets
from OpenGL.raw.GLES2.VERSION.GLES2_2_0 import *
from OpenGL.raw.GLES2.VERSION.GLES2_2_0 import _EXTENSION_NAME
def glInitGles220VERSION():
'''Return boolean indicating whether this extension is available'''
from OpenGL import extensions
return extensions.hasGLExtension( _EXTENSION_NAME )
# INPUT glBufferData.data size not checked against size
glBufferData=wrapper.wrapper(glBufferData).setInputArraySize(
'data', None
)
# INPUT glBufferSubData.data size not checked against size
glBufferSubData=wrapper.wrapper(glBufferSubData).setInputArraySize(
'data', None
)
# INPUT glCompressedTexImage2D.data size not checked against imageSize
glCompressedTexImage2D=wrapper.wrapper(glCompressedTexImage2D).setInputArraySize(
'data', None
)
# INPUT glCompressedTexSubImage2D.data size not checked against imageSize
glCompressedTexSubImage2D=wrapper.wrapper(glCompressedTexSubImage2D).setInputArraySize(
'data', None
)
# INPUT glDeleteBuffers.buffers size not checked against n
glDeleteBuffers=wrapper.wrapper(glDeleteBuffers).setInputArraySize(
'buffers', None
)
# INPUT glDeleteFramebuffers.framebuffers size not checked against n
glDeleteFramebuffers=wrapper.wrapper(glDeleteFramebuffers).setInputArraySize(
'framebuffers', None
)
# INPUT glDeleteRenderbuffers.renderbuffers size not checked against n
glDeleteRenderbuffers=wrapper.wrapper(glDeleteRenderbuffers).setInputArraySize(
'renderbuffers', None
)
# INPUT glDeleteTextures.textures size not checked against n
glDeleteTextures=wrapper.wrapper(glDeleteTextures).setInputArraySize(
'textures', None
)
# INPUT glDrawElements.indices size not checked against 'count,type'
glDrawElements=wrapper.wrapper(glDrawElements).setInputArraySize(
'indices', None
)
glGenBuffers=wrapper.wrapper(glGenBuffers).setOutput(
'buffers',size=lambda x:(x,),pnameArg='n',orPassIn=True
)
glGenFramebuffers=wrapper.wrapper(glGenFramebuffers).setOutput(
'framebuffers',size=lambda x:(x,),pnameArg='n',orPassIn=True
)
glGenRenderbuffers=wrapper.wrapper(glGenRenderbuffers).setOutput(
'renderbuffers',size=lambda x:(x,),pnameArg='n',orPassIn=True
)
glGenTextures=wrapper.wrapper(glGenTextures).setOutput(
'textures',size=lambda x:(x,),pnameArg='n',orPassIn=True
)
glGetActiveAttrib=wrapper.wrapper(glGetActiveAttrib).setOutput(
'length',size=(1,),orPassIn=True
).setOutput(
'type',size=(1,),orPassIn=True
).setOutput(
'name',size=lambda x:(x,),pnameArg='bufSize',orPassIn=True
).setOutput(
'size',size=(1,),orPassIn=True
)
glGetActiveUniform=wrapper.wrapper(glGetActiveUniform).setOutput(
'length',size=(1,),orPassIn=True
).setOutput(
'type',size=(1,),orPassIn=True
).setOutput(
'name',size=lambda x:(x,),pnameArg='bufSize',orPassIn=True
).setOutput(
'size',size=(1,),orPassIn=True
)
# glGetAttachedShaders.obj is OUTPUT without known output size
# INPUT glGetAttachedShaders.shaders size not checked against maxCount
glGetAttachedShaders=wrapper.wrapper(glGetAttachedShaders).setOutput(
'count',size=(1,),orPassIn=True
).setInputArraySize(
'shaders', None
)
glGetBooleanv=wrapper.wrapper(glGetBooleanv).setOutput(
'data',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetBufferParameteriv=wrapper.wrapper(glGetBufferParameteriv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetFloatv=wrapper.wrapper(glGetFloatv).setOutput(
'data',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetFramebufferAttachmentParameteriv=wrapper.wrapper(glGetFramebufferAttachmentParameteriv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetIntegerv=wrapper.wrapper(glGetIntegerv).setOutput(
'data',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetProgramiv=wrapper.wrapper(glGetProgramiv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetProgramInfoLog=wrapper.wrapper(glGetProgramInfoLog).setOutput(
'length',size=(1,),orPassIn=True
).setOutput(
'infoLog',size=lambda x:(x,),pnameArg='bufSize',orPassIn=True
)
glGetRenderbufferParameteriv=wrapper.wrapper(glGetRenderbufferParameteriv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetShaderiv=wrapper.wrapper(glGetShaderiv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetShaderInfoLog=wrapper.wrapper(glGetShaderInfoLog).setOutput(
'length',size=(1,),orPassIn=True
).setOutput(
'infoLog',size=lambda x:(x,),pnameArg='bufSize',orPassIn=True
)
glGetShaderPrecisionFormat=wrapper.wrapper(glGetShaderPrecisionFormat).setOutput(
'range',size=(2,),orPassIn=True
).setOutput(
'precision',size=(2,),orPassIn=True
)
glGetShaderSource=wrapper.wrapper(glGetShaderSource).setOutput(
'source',size=lambda x:(x,),pnameArg='bufSize',orPassIn=True
).setOutput(
'length',size=(1,),orPassIn=True
)
glGetTexParameterfv=wrapper.wrapper(glGetTexParameterfv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
glGetTexParameteriv=wrapper.wrapper(glGetTexParameteriv).setOutput(
'params',size=_glgets._glget_size_mapping,pnameArg='pname',orPassIn=True
)
# glGetUniformfv.params is OUTPUT without known output size
# glGetUniformiv.params is OUTPUT without known output size
glGetVertexAttribfv=wrapper.wrapper(glGetVertexAttribfv).setOutput(
'params',size=(4,),orPassIn=True
)
glGetVertexAttribiv=wrapper.wrapper(glGetVertexAttribiv).setOutput(
'params',size=(4,),orPassIn=True
)
glGetVertexAttribPointerv=wrapper.wrapper(glGetVertexAttribPointerv).setOutput(
'pointer',size=(1,),orPassIn=True
)
# OUTPUT glReadPixels.pixels COMPSIZE(format,type,width,height)
# INPUT glShaderBinary.binary size not checked against length
# INPUT glShaderBinary.shaders size not checked against count
glShaderBinary=wrapper.wrapper(glShaderBinary).setInputArraySize(
'binary', None
).setInputArraySize(
'shaders', None
)
# INPUT glShaderSource.length size not checked against count
# INPUT glShaderSource.string size not checked against count
glShaderSource=wrapper.wrapper(glShaderSource).setInputArraySize(
'length', None
).setInputArraySize(
'string', None
)
# INPUT glTexImage2D.pixels size not checked against 'format,type,width,height'
glTexImage2D=wrapper.wrapper(glTexImage2D).setInputArraySize(
'pixels', None
)
# INPUT glTexParameterfv.params size not checked against 'pname'
glTexParameterfv=wrapper.wrapper(glTexParameterfv).setInputArraySize(
'params', None
)
# INPUT glTexParameteriv.params size not checked against 'pname'
glTexParameteriv=wrapper.wrapper(glTexParameteriv).setInputArraySize(
'params', None
)
# INPUT glTexSubImage2D.pixels size not checked against 'format,type,width,height'
glTexSubImage2D=wrapper.wrapper(glTexSubImage2D).setInputArraySize(
'pixels', None
)
# INPUT glUniform1fv.value size not checked against count
glUniform1fv=wrapper.wrapper(glUniform1fv).setInputArraySize(
'value', None
)
# INPUT glUniform1iv.value size not checked against count
glUniform1iv=wrapper.wrapper(glUniform1iv).setInputArraySize(
'value', None
)
# INPUT glUniform2fv.value size not checked against count
glUniform2fv=wrapper.wrapper(glUniform2fv).setInputArraySize(
'value', None
)
# INPUT glUniform2iv.value size not checked against count
glUniform2iv=wrapper.wrapper(glUniform2iv).setInputArraySize(
'value', None
)
# INPUT glUniform3fv.value size not checked against count
glUniform3fv=wrapper.wrapper(glUniform3fv).setInputArraySize(
'value', None
)
# INPUT glUniform3iv.value size not checked against count
glUniform3iv=wrapper.wrapper(glUniform3iv).setInputArraySize(
'value', None
)
# INPUT glUniform4fv.value size not checked against count
glUniform4fv=wrapper.wrapper(glUniform4fv).setInputArraySize(
'value', None
)
# INPUT glUniform4iv.value size not checked against count
glUniform4iv=wrapper.wrapper(glUniform4iv).setInputArraySize(
'value', None
)
# INPUT glUniformMatrix2fv.value size not checked against count
glUniformMatrix2fv=wrapper.wrapper(glUniformMatrix2fv).setInputArraySize(
'value', None
)
# INPUT glUniformMatrix3fv.value size not checked against count
glUniformMatrix3fv=wrapper.wrapper(glUniformMatrix3fv).setInputArraySize(
'value', None
)
# INPUT glUniformMatrix4fv.value size not checked against count
glUniformMatrix4fv=wrapper.wrapper(glUniformMatrix4fv).setInputArraySize(
'value', None
)
glVertexAttrib1fv=wrapper.wrapper(glVertexAttrib1fv).setInputArraySize(
'v', 1
)
glVertexAttrib2fv=wrapper.wrapper(glVertexAttrib2fv).setInputArraySize(
'v', 2
)
glVertexAttrib3fv=wrapper.wrapper(glVertexAttrib3fv).setInputArraySize(
'v', 3
)
glVertexAttrib4fv=wrapper.wrapper(glVertexAttrib4fv).setInputArraySize(
'v', 4
)
# INPUT glVertexAttribPointer.pointer size not checked against 'size,type,stride'
glVertexAttribPointer=wrapper.wrapper(glVertexAttribPointer).setInputArraySize(
'pointer', None
)
### END AUTOGENERATED SECTION
from OpenGL import converters
from OpenGL.lazywrapper import lazy as _lazy
glShaderSource = platform.createExtensionFunction(
'glShaderSource', dll=platform.PLATFORM.GLES2,
resultType=None,
argTypes=(_types.GLhandle, _types.GLsizei, ctypes.POINTER(ctypes.c_char_p), arrays.GLintArray,),
doc = 'glShaderSource( GLhandle(shaderObj),[bytes(string),...]) -> None',
argNames = ('shaderObj', 'count', 'string', 'length',),
extension = _EXTENSION_NAME,
)
conv = converters.StringLengths( name='string' )
glShaderSource = wrapper.wrapper(
glShaderSource
).setPyConverter(
'count' # number of strings
).setPyConverter(
'length' # lengths of strings
).setPyConverter(
'string', conv.stringArray
).setCResolver(
'string', conv.stringArrayForC,
).setCConverter(
'length', conv,
).setCConverter(
'count', conv.totalCount,
)
try:
del conv
except NameError as err:
pass
glGetShaderiv = wrapper.wrapper( glGetShaderiv ).setOutput(
'params',
size=(1,),
arrayType=arrays.GLintArray,
orPassIn = True,
)
@_lazy( glGetShaderInfoLog )
def glGetShaderInfoLog( baseOperation, obj ):
"""Retrieve the shader's error messages as a Python string
returns string which is '' if no message
"""
length = int(glGetShaderiv(obj, GL_INFO_LOG_LENGTH))
if length > 0:
log = ctypes.create_string_buffer(length)
baseOperation(obj, length, None, log)
return log.value.strip(_NULL_8_BYTE) # null-termination
return ''
@_lazy( glGetProgramInfoLog )
def glGetProgramInfoLog( baseOperation, obj ):
"""Retrieve the shader program's error messages as a Python string
returns string which is '' if no message
"""
length = int(glGetProgramiv(obj, GL_INFO_LOG_LENGTH))
if length > 0:
log = ctypes.create_string_buffer(length)
baseOperation(obj, length, None, log)
return log.value.strip(_NULL_8_BYTE) # null-termination
return ''
@_lazy( glGetAttachedShaders )
def glGetAttachedShaders( baseOperation, obj ):
"""Retrieve the attached objects as an array of GLhandle instances"""
length= glGetProgramiv( obj, GL_ATTACHED_SHADERS )
if length > 0:
storage = arrays.GLuintArray.zeros( (length,))
baseOperation( obj, length, None, storage )
return storage
return arrays.GLuintArray.zeros( (0,))
@_lazy( glGetShaderSource )
def glGetShaderSource( baseOperation, obj ):
"""Retrieve the program/shader's source code as a Python string
returns string which is '' if no source code
"""
length = int(glGetShaderiv(obj, GL_OBJECT_SHADER_SOURCE_LENGTH))
if length > 0:
source = ctypes.create_string_buffer(length)
baseOperation(obj, length, None, source)
return source.value.strip(_NULL_8_BYTE) # null-termination
return ''
@_lazy( glGetActiveUniform )
def glGetActiveUniform(baseOperation,program, index):
"""Retrieve the name, size and type of the uniform of the index in the program"""
max_index = int(glGetProgramiv( program, GL_OBJECT_ACTIVE_UNIFORMS ))
length = int(glGetProgramiv( program, GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH))
if index < max_index and index >= 0:
if length > 0:
name = ctypes.create_string_buffer(length)
size = arrays.GLintArray.zeros( (1,))
gl_type = arrays.GLenumArray.zeros( (1,))
namelen = arrays.GLsizeiArray.zeros( (1,))
baseOperation(program, index, length, namelen, size, gl_type, name)
return name.value[:int(namelen[0])], size[0], gl_type[0]
raise ValueError( """No currently specified uniform names""" )
raise IndexError( 'Index %s out of range 0 to %i' % (index, max_index - 1, ) )
@_lazy( glGetUniformLocation )
def glGetUniformLocation( baseOperation, program, name ):
"""Check that name is a string with a null byte at the end of it"""
if not name:
raise ValueError( """Non-null name required""" )
name = as_8_bit( name )
if name[-1] != _NULL_8_BYTE:
name = name + _NULL_8_BYTE
return baseOperation( program, name )
@_lazy( glGetAttribLocation )
def glGetAttribLocation( baseOperation, program, name ):
"""Check that name is a string with a null byte at the end of it"""
if not name:
raise ValueError( """Non-null name required""" )
name = as_8_bit( name )
if name[-1] != _NULL_8_BYTE:
name = name + _NULL_8_BYTE
return baseOperation( program, name )
@_lazy( glVertexAttribPointer )
def glVertexAttribPointer(
baseOperation, index, size, type,
normalized, stride, pointer,
):
"""Set an attribute pointer for a given shader (index)
index -- the index of the generic vertex to bind, see
glGetAttribLocation for retrieval of the value,
note that index is a global variable, not per-shader
size -- number of basic elements per record, 1,2,3, or 4
type -- enum constant for data-type
normalized -- whether to perform int to float
normalization on integer-type values
stride -- stride in machine units (bytes) between
consecutive records, normally used to create
"interleaved" arrays
pointer -- data-pointer which provides the data-values,
normally a vertex-buffer-object or offset into the
same.
This implementation stores a copy of the data-pointer
in the contextdata structure in order to prevent null-
reference errors in the renderer.
"""
array = ArrayDatatype.asArray( pointer, type )
key = ('vertex-attrib',index)
contextdata.setValue( key, array )
return baseOperation(
index, size, type,
normalized, stride,
ArrayDatatype.voidDataPointer( array )
)
|