def get_gl_info_string(glpane): # grantham 20051129
"""Return a string containing some useful information about the OpenGL
implementation.
Use the GL context from the given QGLWidget glpane (by calling
glpane.makeCurrent()).
"""
glpane.makeCurrent() #bruce 070308 added glpane arg and makeCurrent call
gl_info_string = ''
gl_info_string += 'GL_VENDOR : "%s"\n' % glGetString(GL_VENDOR)
gl_info_string += 'GL_VERSION : "%s"\n' % glGetString(GL_VERSION)
gl_info_string += 'GL_RENDERER : "%s"\n' % glGetString(GL_RENDERER)
gl_info_string += 'GL_EXTENSIONS : "%s"\n' % glGetString(GL_EXTENSIONS)
from utilities.debug_prefs import debug_pref, Choice_boolean_False
if debug_pref("get_gl_info_string call glAreTexturesResident?",
Choice_boolean_False):
# Give a practical indication of how much video memory is available.
# Should also do this with VBOs.
# I'm pretty sure this code is right, but PyOpenGL seg faults in
# glAreTexturesResident, so it's disabled until I can figure that
# out. [grantham] [bruce 070308 added the debug_pref]
all_tex_in = True
tex_bytes = '\0' * (512 * 512 * 4)
tex_names = []
tex_count = 0
tex_names = glGenTextures(1024)
glEnable(GL_TEXTURE_2D)
while all_tex_in:
glBindTexture(GL_TEXTURE_2D, tex_names[tex_count])
gluBuild2DMipmaps(GL_TEXTURE_2D, 4, 512, 512, GL_RGBA,
GL_UNSIGNED_BYTE, tex_bytes)
tex_count += 1
glTexCoord2f(0.0, 0.0)
glBegin(GL_QUADS)
glVertex2f(0.0, 0.0)
glVertex2f(1.0, 0.0)
glVertex2f(1.0, 1.0)
glVertex2f(0.0, 1.0)
glEnd()
glFinish()
residences = glAreTexturesResident(tex_names[:tex_count])
all_tex_in = reduce(lambda a,b: a and b, residences)
# bruce 070308 sees this exception from this line:
# TypeError: reduce() arg 2 must support iteration
glDisable(GL_TEXTURE_2D)
glDeleteTextures(tex_names)
gl_info_string += "Could create %d 512x512 RGBA resident textures\n" \
% tex_count
return gl_info_string
def get_gl_info_string(glpane): # grantham 20051129
"""Return a string containing some useful information about the OpenGL
implementation.
Use the GL context from the given QGLWidget glpane (by calling
glpane.makeCurrent()).
"""
glpane.makeCurrent() #bruce 070308 added glpane arg and makeCurrent call
gl_info_string = ''
gl_info_string += 'GL_VENDOR : "%s"\n' % glGetString(GL_VENDOR)
gl_info_string += 'GL_VERSION : "%s"\n' % glGetString(GL_VERSION)
gl_info_string += 'GL_RENDERER : "%s"\n' % glGetString(GL_RENDERER)
gl_info_string += 'GL_EXTENSIONS : "%s"\n' % glGetString(GL_EXTENSIONS)
from utilities.debug_prefs import debug_pref, Choice_boolean_False
if debug_pref("get_gl_info_string call glAreTexturesResident?",
Choice_boolean_False):
# Give a practical indication of how much video memory is available.
# Should also do this with VBOs.
# I'm pretty sure this code is right, but PyOpenGL seg faults in
# glAreTexturesResident, so it's disabled until I can figure that
# out. [grantham] [bruce 070308 added the debug_pref]
all_tex_in = True
tex_bytes = '\0' * (512 * 512 * 4)
tex_names = []
tex_count = 0
tex_names = glGenTextures(1024)
glEnable(GL_TEXTURE_2D)
while all_tex_in:
glBindTexture(GL_TEXTURE_2D, tex_names[tex_count])
gluBuild2DMipmaps(GL_TEXTURE_2D, 4, 512, 512, GL_RGBA,
GL_UNSIGNED_BYTE, tex_bytes)
tex_count += 1
glTexCoord2f(0.0, 0.0)
glBegin(GL_QUADS)
glVertex2f(0.0, 0.0)
glVertex2f(1.0, 0.0)
glVertex2f(1.0, 1.0)
glVertex2f(0.0, 1.0)
glEnd()
glFinish()
residences = glAreTexturesResident(tex_names[:tex_count])
all_tex_in = reduce(lambda a, b: a and b, residences)
# bruce 070308 sees this exception from this line:
# TypeError: reduce() arg 2 must support iteration
glDisable(GL_TEXTURE_2D)
glDeleteTextures(tex_names)
gl_info_string += "Could create %d 512x512 RGBA resident textures\n" \
% tex_count
return gl_info_string
def draw_textured_quad(coords):
tex_coords = ((0.0, 0.0), (1.0, 0.0), (1.0, 1.0), (0.0, 1.0))
with mode(GL_QUADS):
for i in range(4):
tex_x = tex_coords[i][0]
tex_y = tex_coords[i][1]
glTexCoord2f(tex_x, tex_y)
x = coords[i][0]
y = coords[i][1]
glVertex2f(x, y)
def _draw_zero_plane_xy(self, color, texture_id=None, scale=1.0):
glPushMatrix()
# glColor3f(*rgb_to_f(*color))
apply_texture = texture_id is not None
if apply_texture:
glColor3f(1, 1, 1)
glBindTexture(GL_TEXTURE_2D, self._textures[texture_id])
glTexCoord2f(1.0 * scale, 0.0 * scale)
else:
glColor3f(*rgb_to_f(*color))
glBegin(GL_POLYGON)
size = self._size / 2
glVertex3f(size, size, 0)
if apply_texture:
glTexCoord2f(1.0 * scale, 1.0 * scale)
glVertex3f(size, -size, 0)
if apply_texture:
glTexCoord2f(0.0 * scale, 1.0 * scale)
glVertex3f(-size, -size, 0)
if apply_texture:
glTexCoord2f(0.0 * scale, 0.0 * scale)
glVertex3f(-size, size, 0)
# if texture is not None:
# glBindTexture(GL_TEXTURE_2D, )
glEnd()
glPopMatrix()
def render(self, viewBox):
if not self.intersectsBox(viewBox):
return
if self.shouldRefresh:
self.refresh()
self.shouldRefresh = False
glColor3f(1, 1, 1)
img = self.textureData
pic_ny, pic_nx = img.shape
tex_nx,tex_ny = getTexSize(pic_nx,pic_ny)
picTexRatio_x = float(pic_nx) / tex_nx
picTexRatio_y = float(pic_ny) / tex_ny
(x,y) = self.pos[:2]
glBindTexture(GL_TEXTURE_2D, self.texture)
glBegin(GL_QUADS)
glTexCoord2f(0, picTexRatio_y)
glVertex2f(x, y)
glTexCoord2f(picTexRatio_x, picTexRatio_y)
glVertex2f(x + self.size[0], y)
glTexCoord2f(picTexRatio_x, 0)
glVertex2f(x + self.size[0], y + self.size[1])
glTexCoord2f(0, 0)
glVertex2f(x, y + self.size[1])
glEnd()
def drawTexture(self, texture, dx, dy, dw, dh, x, y, w, h, r):
'''
texture is an int
textureRect is a list of size 4, determines which square to take from the texture
drawRect is a list of size 4, is used to determine the drawing size
'''
glBindTexture(self.texext, texture)
glPushMatrix()
glTranslatef(dx + dw / 2, dy + dh / 2, 0)
glRotatef(r, 0, 0, 1.0)
glTranslatef(-1 * (dx + dw / 2), -1 * (dy + dh / 2), 0)
glBegin(GL_QUADS)
#Top-left vertex (corner)
glTexCoord2f(x, y + h) #image/texture
glVertex3f(dx, dy, 0) #screen coordinates
#Bottom-left vertex (corner)
glTexCoord2f(x + w, y + h)
glVertex3f((dx + dw), dy, 0)
#Bottom-right vertex (corner)
glTexCoord2f(x + w, y)
glVertex3f((dx + dw), (dy + dh), 0)
#Top-right vertex (corner)
glTexCoord2f(x, y)
glVertex3f(dx, (dy + dh), 0)
glEnd()
glPopMatrix()
def copy_pixels(tox, toy, w, h, fromx, fromy):
glEnable(GL_TEXTURE_2D)
glBegin(GL_QUADS)
glTexCoord2f(fromx, fromy)
glVertex2f(tox, toy)
glTexCoord2f(fromx+w, fromy)
glVertex2f(tox+w, toy)
glTexCoord2f(fromx+w, fromy+h)
glVertex2f(tox+w, toy+h)
glTexCoord2f(fromx, fromy+h)
glVertex2f(tox, toy+h)
glEnd()
glDisable(GL_TEXTURE_2D)
def copy_pixels(tox, toy, w, h, fromx, fromy):
glEnable(GL_TEXTURE_2D)
glBegin(GL_QUADS)
glTexCoord2f(fromx, fromy)
glVertex2f(tox, toy)
glTexCoord2f(fromx + w, fromy)
glVertex2f(tox + w, toy)
glTexCoord2f(fromx + w, fromy + h)
glVertex2f(tox + w, toy + h)
glTexCoord2f(fromx, fromy + h)
glVertex2f(tox, toy + h)
glEnd()
glDisable(GL_TEXTURE_2D)
def _drawQuad(self, tex_offset): extent = self.extent y = self.seaLevel max_tex = 50.0+tex_offset glBegin(GL_QUADS) glTexCoord2f( 0.0+tex_offset, 0.0+tex_offset ) glVertex3f( 0.0, y, 0.0 ) glTexCoord2f( max_tex, 0.0+tex_offset ) glVertex3f( extent, y, 0.0 ) glTexCoord2f( max_tex, max_tex ) glVertex3f( extent, y, extent ) glTexCoord2f( 0.0+tex_offset, max_tex ) glVertex3f( 0.0, y, extent ) glEnd()
def _drawQuad(self, tex_offset):
extent = self.extent
y = self.seaLevel
max_tex = 50.0 + tex_offset
glBegin(GL_QUADS)
glTexCoord2f(0.0 + tex_offset, 0.0 + tex_offset)
glVertex3f(0.0, y, 0.0)
glTexCoord2f(max_tex, 0.0 + tex_offset)
glVertex3f(extent, y, 0.0)
glTexCoord2f(max_tex, max_tex)
glVertex3f(extent, y, extent)
glTexCoord2f(0.0 + tex_offset, max_tex)
glVertex3f(0.0, y, extent)
glEnd()
def orthogonalPass(self, debugShadows=False):
"""
draw stuff in orthogonal projection.
mainly the scene can be post processed here
and some gui elements could be drawn.
"""
### DRAW THE SCENE ###
# TODO: post shader magic !
glUseProgram(0)
# enable the scene texture
# Note that texture unit 0 should be active now.
glEnable(GL_TEXTURE_2D)
glBindTexture(GL_TEXTURE_2D, self.sceneTexture.glID)
# make sure texture matrix is set to identity
glMatrixMode(GL_TEXTURE)
glLoadIdentity()
glMatrixMode(GL_MODELVIEW)
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0)
glVertex3f(0.0, 0.0, -1.0)
glTexCoord2f(1.0, 0.0)
glVertex3f(self.winSize[0], 0.0, -1.0)
glTexCoord2f(1.0, 1.0)
glVertex3f(self.winSize[0], self.winSize[1], -1.0)
glTexCoord2f(0.0, 1.0)
glVertex3f(0.0, self.winSize[1], -1.0)
glEnd()
### DEBUG DRAWINGS ###
# debug shadow maps
if debugShadows:
# draw the shadow maps
self.visualizeDepthShader.enable()
layerLoc = glGetUniformLocation(self.visualizeDepthShader.program, "layer")
drawShadowMaps(self.lights, layerLoc)
# reset viewport and reset to ffp
glViewport(0, 0, self.winSize[0], self.winSize[1])
glUseProgram(0)
glBindTexture(GL_TEXTURE_2D, 0)
glDisable(GL_TEXTURE_2D)
GLApp.orthogonalPass(self)
def draw_picture(picture, x, y, width, height):
glBindTexture(GL_TEXTURE_2D, textures[picture])
glPushMatrix()
glTranslatef(x, y, 0.0)
glBegin(GL_QUADS)
# Bottom Left Of The Texture and Quad:
glTexCoord2f(0.0, 0.0)
glVertex2f(0, 0)
# Bottom Right Of The Texture and Quad:
glTexCoord2f(1.0, 0.0)
glVertex2f(width, 0)
# Top Right Of The Texture and Quad:
glTexCoord2f(1.0, 1.0)
glVertex2f(width, height)
# Top Left Of The Texture and Quad:
glTexCoord2f(0.0, 1.0)
glVertex2f(0, height)
glEnd()
glPopMatrix()
def renderizar_cuad(self, x, y, ancho, alto):
"""Renderiza un cuadrado, se ingresan coordenadas para
textura por defecto.
x, y = posición (superior izquierda) del cuadrado
ancho, alto = tamaño del cuadrado"""
glBegin(GL_QUADS)
# Arriba-Izquierda
glTexCoord2f(0.0, 1.0)
glVertex3f(x, y, 0.0)
# Abajo-Izquirda
glTexCoord2f(0.0, 0.0)
glVertex3f(x, alto, 0.0)
# Abajo-Derecha
glTexCoord2f(1.0, 0.0)
glVertex3f(ancho, alto, 0.0)
# Arriba-Derecha
glTexCoord2f(1.0, 1.0)
glVertex3f(ancho, y, 0.0)
glEnd()
def draw_picture(picture, x, y, width, height):
glBindTexture(GL_TEXTURE_2D, textures[picture])
glPushMatrix()
glTranslatef(x, y, 0.0)
glBegin(GL_QUADS)
# Bottom Left Of The Texture and Quad:
glTexCoord2f(0.0, 0.0)
glVertex2f(0, 0)
# Bottom Right Of The Texture and Quad:
glTexCoord2f(1.0, 0.0)
glVertex2f(width, 0)
# Top Right Of The Texture and Quad:
glTexCoord2f(1.0, 1.0)
glVertex2f(width, height)
# Top Left Of The Texture and Quad:
glTexCoord2f(0.0, 1.0)
glVertex2f(0, height)
glEnd()
glPopMatrix()
def openglSetup(self):
glClearColor(0.0, 0.0, 0.0, 0.0)
glEnable(GL.GL_DEPTH_TEST)
glEnable(GL.GL_COLOR_MATERIAL)
glViewport (0, 0, self.surf.get_width(), self.surf.get_height())
glMatrixMode (GL.GL_PROJECTION)
glLoadIdentity ()
glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0)
glMatrixMode (GL.GL_MODELVIEW)
self.cardList = glGenLists(1)
glNewList(self.cardList, GL.GL_COMPILE)
glColor3f(1,1,1)
with begin(GL.GL_QUADS):
glTexCoord2f(0.0, 1.0); glVertex3f(-1.0, -1.0, 0.0)
glTexCoord2f(1.0, 1.0); glVertex3f( 1.0, -1.0, 0.0)
glTexCoord2f(1.0, 0.0); glVertex3f( 1.0, 1.0, 0.0)
glTexCoord2f(0.0, 0.0); glVertex3f(-1.0, 1.0, 0.0)
glEndList()
def render(self, pen: numpy.array) -> None:
glBindTexture(GL_TEXTURE_2D, self._texture_id)
left = pen[0] + self._bearing_x
bottom = pen[1] + self._descender
glBegin(GL_QUADS)
glTexCoord2f(0, 0)
glVertex2f(left, bottom)
glTexCoord2f(1, 0)
glVertex2f(left + self._width, bottom)
glTexCoord2f(1, 1)
glVertex2f(left + self._width, bottom + self._height)
glTexCoord2f(0, 1)
glVertex2f(left, bottom + self._height)
glEnd()
def drawTexture(self):
"""
Renders the current context as a texture.
Precondition: OpenGL mode and OpenGL context active.
"""
tx = self.rect.x()
ty = self.rect.y()
w = self.rect.width()
h = self.rect.height()
glBindTexture(GL_TEXTURE_2D, self.texture)
glBegin(GL_QUADS)
glTexCoord2f(0.0, 1.0)
glVertex2f(tx, ty)
glTexCoord2f(1.0, 1.0)
glVertex2f(tx + w, ty)
glTexCoord2f(1.0, 0.0)
glVertex2f(tx + w, ty + h)
glTexCoord2f(0.0, 0.0)
glVertex2f(tx, ty + h)
glEnd()
def openglSetup(self):
glClearColor(0.0, 0.0, 0.0, 0.0)
glEnable(GL.GL_DEPTH_TEST)
glEnable(GL.GL_COLOR_MATERIAL)
glViewport(0, 0, self.surf.get_width(), self.surf.get_height())
glMatrixMode(GL.GL_PROJECTION)
glLoadIdentity()
glFrustum(-1.0, 1.0, -1.0, 1.0, 1.5, 20.0)
glMatrixMode(GL.GL_MODELVIEW)
self.cardList = glGenLists(1)
glNewList(self.cardList, GL.GL_COMPILE)
glColor3f(1, 1, 1)
with begin(GL.GL_QUADS):
glTexCoord2f(0.0, 1.0)
glVertex3f(-1.0, -1.0, 0.0)
glTexCoord2f(1.0, 1.0)
glVertex3f(1.0, -1.0, 0.0)
glTexCoord2f(1.0, 0.0)
glVertex3f(1.0, 1.0, 0.0)
glTexCoord2f(0.0, 0.0)
glVertex3f(-1.0, 1.0, 0.0)
glEndList()
def draw_textured_square(w=None, h=None):
"""
Draws a texture square of 2 x 2 size centered at 0, 0
Make sure to call glEnable(GL_TEXTURE_RECTANGLE_ARB) first.
:param w: width of the image in pixels
:param h: height of the image in pixels
"""
if w is None or h is None:
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0)
glVertex2f(-1.0, -1.0) # Bottom Left Of The Texture and Quad
glTexCoord2f(1.0, 0.0)
glVertex2f(1.0, -1.0) # Bottom Right Of The Texture and Quad
glTexCoord2f(1.0, 1.0)
glVertex2f(1.0, 1.0) # Top Right Of The Texture and Quad
glTexCoord2f(0.0, 1.0)
glVertex2f(-1.0, 1.0) # Top Left Of The Texture and Quad
glEnd()
else:
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0)
glVertex2f(-1.0, -1.0) # Bottom Left
glTexCoord2f(w, 0.0)
glVertex2f(1.0, -1.0) # Bottom Right
glTexCoord2f(w, h)
glVertex2f(1.0, 1.0) # Top Right
glTexCoord2f(0.0, h)
glVertex2f(-1.0, 1.0) # Top Left
glEnd()
def get_gl_info_string(glpane): # grantham 20051129
"""
Return a string containing some useful information about the OpenGL
implementation.
Use the GL context from the given QGLWidget glpane (by calling
glpane.makeCurrent()).
"""
glpane.makeCurrent() #bruce 070308 added glpane arg and makeCurrent call
gl_info_string = ''
gl_info_string += 'GL_VENDOR : "%s"\n' % glGetString(GL_VENDOR)
gl_info_string += 'GL_VERSION : "%s"\n' % glGetString(GL_VERSION)
gl_info_string += 'GL_RENDERER : "%s"\n' % glGetString(GL_RENDERER)
gl_extensions = glGetString(GL_EXTENSIONS)
gl_extensions = gl_extensions.strip()
gl_extensions = gl_extensions.replace(" ", "\n* ")
gl_info_string += 'GL_EXTENSIONS : \n* %s\n' % gl_extensions
if debug_pref("Graphics Card Info: call glAreTexturesResident?",
Choice_boolean_False):
# Give a practical indication of how much video memory is available.
# Should also do this with VBOs.
# I'm pretty sure this code is right, but PyOpenGL seg faults in
# glAreTexturesResident, so it's disabled until I can figure that
# out. [grantham] [bruce 070308 added the debug_pref]
all_tex_in = True
tex_bytes = '\0' * (512 * 512 * 4)
tex_names = []
tex_count = 0
tex_names = glGenTextures(1024)
glEnable(GL_TEXTURE_2D)
while all_tex_in:
glBindTexture(GL_TEXTURE_2D, tex_names[tex_count])
gluBuild2DMipmaps(GL_TEXTURE_2D, 4, 512, 512, GL_RGBA,
GL_UNSIGNED_BYTE, tex_bytes)
tex_count += 1
glTexCoord2f(0.0, 0.0)
glBegin(GL_QUADS)
glVertex2f(0.0, 0.0)
glVertex2f(1.0, 0.0)
glVertex2f(1.0, 1.0)
glVertex2f(0.0, 1.0)
glEnd()
glFinish()
residences = glAreTexturesResident(tex_names[:tex_count])
all_tex_in = reduce(lambda a,b: a and b, residences)
# bruce 070308 sees this exception from this line:
# TypeError: reduce() arg 2 must support iteration
glDisable(GL_TEXTURE_2D)
glDeleteTextures(tex_names)
gl_info_string += "Could create %d 512x512 RGBA resident textures\n" \
% tex_count
pass
if True: ## or could be a debug_pref("Graphics Card Info: get all GL_MAX symbols?")
#bruce 090314 new feature
import OpenGL.GL
symbols = [x for x in dir(OpenGL.GL) if x.startswith('GL_MAX_')]
symbols.sort()
gl_info_string += '\n'
for symbol in symbols:
try:
numeric_symbol = getattr(OpenGL.GL, symbol)
intval = glGetInteger(numeric_symbol)
except:
# this happens to most symbols, not sure why
if debug_flags.atom_debug:
print_compact_traceback( "%s = ??: " % symbol )
# overkill, only the exception itself matters
# typical output (on Bruce's MacBookPro, 090314):
## GL_MAX_4D_TEXTURE_SIZE_SGIS = ??:
## <type 'exceptions.KeyError'>:
## ('Unknown specifier GL_MAX_4D_TEXTURE_SIZE_SGIS (33080)',
## 'Failure in cConverter <OpenGL.converters.SizedOutput object at 0x1457fab0>',
## [GL_MAX_4D_TEXTURE_SIZE_SGIS], 1, <OpenGL.wrapper.glGetIntegerv object at 0x1458aa30>)
## [graphics_card_info.py:122] [wrapper.py:676] [converters.py:195] [converters.py:234]
pass
pass ## gl_info_string += "%s = ??\n" % symbol
else:
gl_info_string += "%s = %r\n" % (symbol, intval)
continue
pass
return gl_info_string
def get_gl_info_string(glpane): # grantham 20051129
"""
Return a string containing some useful information about the OpenGL
implementation.
Use the GL context from the given QGLWidget glpane (by calling
glpane.makeCurrent()).
"""
glpane.makeCurrent() #bruce 070308 added glpane arg and makeCurrent call
gl_info_string = ''
gl_info_string += 'GL_VENDOR : "%s"\n' % glGetString(GL_VENDOR)
gl_info_string += 'GL_VERSION : "%s"\n' % glGetString(GL_VERSION)
gl_info_string += 'GL_RENDERER : "%s"\n' % glGetString(GL_RENDERER)
gl_extensions = glGetString(GL_EXTENSIONS)
gl_extensions = gl_extensions.strip()
gl_extensions = gl_extensions.replace(" ", "\n* ")
gl_info_string += 'GL_EXTENSIONS : \n* %s\n' % gl_extensions
if debug_pref("Graphics Card Info: call glAreTexturesResident?",
Choice_boolean_False):
# Give a practical indication of how much video memory is available.
# Should also do this with VBOs.
# I'm pretty sure this code is right, but PyOpenGL seg faults in
# glAreTexturesResident, so it's disabled until I can figure that
# out. [grantham] [bruce 070308 added the debug_pref]
all_tex_in = True
tex_bytes = '\0' * (512 * 512 * 4)
tex_names = []
tex_count = 0
tex_names = glGenTextures(1024)
glEnable(GL_TEXTURE_2D)
while all_tex_in:
glBindTexture(GL_TEXTURE_2D, tex_names[tex_count])
gluBuild2DMipmaps(GL_TEXTURE_2D, 4, 512, 512, GL_RGBA,
GL_UNSIGNED_BYTE, tex_bytes)
tex_count += 1
glTexCoord2f(0.0, 0.0)
glBegin(GL_QUADS)
glVertex2f(0.0, 0.0)
glVertex2f(1.0, 0.0)
glVertex2f(1.0, 1.0)
glVertex2f(0.0, 1.0)
glEnd()
glFinish()
residences = glAreTexturesResident(tex_names[:tex_count])
all_tex_in = reduce(lambda a, b: a and b, residences)
# bruce 070308 sees this exception from this line:
# TypeError: reduce() arg 2 must support iteration
glDisable(GL_TEXTURE_2D)
glDeleteTextures(tex_names)
gl_info_string += "Could create %d 512x512 RGBA resident textures\n" \
% tex_count
pass
if True: ## or could be a debug_pref("Graphics Card Info: get all GL_MAX symbols?")
#bruce 090314 new feature
import OpenGL.GL
symbols = [x for x in dir(OpenGL.GL) if x.startswith('GL_MAX_')]
symbols.sort()
gl_info_string += '\n'
for symbol in symbols:
try:
numeric_symbol = getattr(OpenGL.GL, symbol)
intval = glGetInteger(numeric_symbol)
except:
# this happens to most symbols, not sure why
if debug_flags.atom_debug:
print_compact_traceback("%s = ??: " % symbol)
# overkill, only the exception itself matters
# typical output (on Bruce's MacBookPro, 090314):
## GL_MAX_4D_TEXTURE_SIZE_SGIS = ??:
## <type 'exceptions.KeyError'>:
## ('Unknown specifier GL_MAX_4D_TEXTURE_SIZE_SGIS (33080)',
## 'Failure in cConverter <OpenGL.converters.SizedOutput object at 0x1457fab0>',
## [GL_MAX_4D_TEXTURE_SIZE_SGIS], 1, <OpenGL.wrapper.glGetIntegerv object at 0x1458aa30>)
## [graphics_card_info.py:122] [wrapper.py:676] [converters.py:195] [converters.py:234]
pass
pass ## gl_info_string += "%s = ??\n" % symbol
else:
gl_info_string += "%s = %r\n" % (symbol, intval)
continue
pass
return gl_info_string
def draw_textured_square(w=None, h=None):
"""
Draws a texture square of 2 x 2 size centered at 0, 0
Make sure to call glEnable(GL_TEXTURE_RECTANGLE_ARB) first.
:param w: width of the image in pixels
:param h: height of the image in pixels
"""
if w is None or h is None:
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0)
glVertex2f(-1.0, -1.0) # Bottom Left Of The Texture and Quad
glTexCoord2f(1.0, 0.0)
glVertex2f(1.0, -1.0) # Bottom Right Of The Texture and Quad
glTexCoord2f(1.0, 1.0)
glVertex2f(1.0, 1.0) # Top Right Of The Texture and Quad
glTexCoord2f(0.0, 1.0)
glVertex2f(-1.0, 1.0) # Top Left Of The Texture and Quad
glEnd()
else:
glBegin(GL_QUADS)
glTexCoord2f(0.0, 0.0)
glVertex2f(-1.0, -1.0) # Bottom Left
glTexCoord2f(w, 0.0)
glVertex2f(1.0, -1.0) # Bottom Right
glTexCoord2f(w, h)
glVertex2f(1.0, 1.0) # Top Right
glTexCoord2f(0.0, h)
glVertex2f(-1.0, 1.0) # Top Left
glEnd()
def draw_mesh(m, lighting_on):
# Supply vertices
glEnableClientState(GL_VERTEX_ARRAY)
m.vbo['v'].bind()
glVertexPointer(3, GL_FLOAT, 0, m.vbo['v'])
m.vbo['v'].unbind()
# Supply normals
if 'vn' in m.vbo.keys():
glEnableClientState(GL_NORMAL_ARRAY)
m.vbo['vn'].bind()
glNormalPointer(GL_FLOAT, 0, m.vbo['vn'])
m.vbo['vn'].unbind()
else:
glDisableClientState(GL_NORMAL_ARRAY)
# Supply colors
if 'vc' in m.vbo.keys():
glEnableClientState(GL_COLOR_ARRAY)
m.vbo['vc'].bind()
glColorPointer(3, GL_FLOAT, 0, m.vbo['vc'])
m.vbo['vc'].unbind()
else:
glDisableClientState(GL_COLOR_ARRAY)
if ('vt' in m.vbo.keys()) and hasattr(m, 'textureID'):
glEnable(GL_TEXTURE_2D)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE)
glBindTexture(GL_TEXTURE_2D, m.textureID)
glEnableClientState(GL_TEXTURE_COORD_ARRAY)
m.vbo['vt'].bind()
glTexCoordPointer(2, GL_FLOAT, 0, m.vbo['vt'])
m.vbo['vt'].unbind()
else:
glDisable(GL_TEXTURE_2D)
glDisableClientState(GL_TEXTURE_COORD_ARRAY)
# Draw
if len(m.f) > 0:
# ie if it is triangulated
if lighting_on:
glEnable(GL_LIGHTING)
else:
glDisable(GL_LIGHTING)
glDrawElementsui(GL_TRIANGLES, np.arange(m.f.size,
dtype=np.uint32))
else:
# not triangulated, so disable lighting
glDisable(GL_LIGHTING)
glPointSize(2)
glDrawElementsui(GL_POINTS, np.arange(len(m.v), dtype=np.uint32))
if hasattr(m, 'v_to_text'):
glEnable(GL_TEXTURE_2D)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL)
# glEnable(GL_TEXTURE_GEN_S)
# glEnable(GL_TEXTURE_GEN_T)
# glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR)
# glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR)
bgcolor = np.array(glGetDoublev(GL_COLOR_CLEAR_VALUE))
fgcolor = 1. - bgcolor
from .lines import Lines
sc = float(np.max(np.max(m.v, axis=0) - np.min(m.v, axis=0))) / 10.
cur_mtx = np.linalg.pinv(glGetFloatv(GL_MODELVIEW_MATRIX).T)
xdir = cur_mtx[:3, 0]
ydir = cur_mtx[:3, 1]
glEnable(GL_LINE_SMOOTH)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
for vidx, text in m.v_to_text.items():
pos0 = m.v[vidx].copy()
pos1 = m.v[vidx].copy()
if hasattr(m, 'vn'):
pos1 += m.vn[vidx] * sc
glLineWidth(5.0)
ln = Lines(v=np.vstack((pos0, pos1)), e=np.array([[0, 1]]))
glEnable(GL_LIGHTING)
glColor3f(1. - 0.8, 1. - 0.8, 1. - 1.00)
MeshViewerSingle.draw_lines(ln)
glDisable(GL_LIGHTING)
texture_id = get_textureid_with_text(text, bgcolor, fgcolor)
glBindTexture(GL_TEXTURE_2D, texture_id)
glPushMatrix()
glTranslatef(pos1[0], pos1[1], pos1[2])
dx = xdir * .10
dy = ydir * .10
if False:
glBegin(GL_QUADS)
glTexCoord2f(1., 0.)
glVertex3f(*(+dx + dy))
glTexCoord2f(1., 1.)
glVertex3f(*(+dx - dy))
glTexCoord2f(0., 1.)
glVertex3f(*(-dx - dy))
glTexCoord2f(0., 0.)
glVertex3f(*(-dx + dy))
# gluSphere(quadratic,0.05,32,32)
glEnd()
else:
glBegin(GL_POLYGON)
for r in np.arange(0, np.pi * 2., .01):
glTexCoord2f(np.cos(r) / 2. + .5, np.sin(r) / 2. + .5)
glVertex3f(*(dx * np.cos(r) + -dy * np.sin(r)))
glEnd()
glPopMatrix()
