def gl_init_textures(self):
assert self.offscreen_fbo is None
assert self.shaders is None
self.textures = glGenTextures(N_TEXTURES)
self.offscreen_fbo = glGenFramebuffers(1)
self.tmp_fbo = glGenFramebuffers(1)
log("%s.gl_init_textures() textures: %s, offscreen fbo: %s, tmp fbo: %s", self, self.textures, self.offscreen_fbo, self.tmp_fbo)
def _gen_fbo(self):
if hasattr(glGenFramebuffers, "pyConverters") and len(glGenFramebuffers.pyConverters)==1:
#single argument syntax:
return glGenFramebuffers(1)
fbo = c_uint(1)
glGenFramebuffers(1, fbo)
return fbo
def _gen_fbo(self):
if hasattr(glGenFramebuffers, "pyConverters") and len(glGenFramebuffers.pyConverters)==1:
#single argument syntax:
return glGenFramebuffers(1)
fbo = c_uint(1)
glGenFramebuffers(1, fbo)
return fbo
def gl_init_textures(self):
assert self.offscreen_fbo is None
assert self.shaders is None
self.textures = glGenTextures(5)
if hasattr(glGenFramebuffers, "pyConverters") and len(glGenFramebuffers.pyConverters)==1:
#single argument syntax:
self.offscreen_fbo = glGenFramebuffers(1)
else:
self.offscreen_fbo = c_uint(1)
glGenFramebuffers(1, self.offscreen_fbo)
log("%s.gl_init_textures() textures: %s, offscreen fbo: %s", self, self.textures, self.offscreen_fbo)
def gl_init_textures(self):
assert self.offscreen_fbo is None
assert self.shaders is None
self.textures = glGenTextures(5)
if hasattr(glGenFramebuffers, "pyConverters") and len(glGenFramebuffers.pyConverters)==1:
#single argument syntax:
self.offscreen_fbo = glGenFramebuffers(1)
else:
self.offscreen_fbo = c_uint(1)
glGenFramebuffers(1, self.offscreen_fbo)
log("%s.gl_init_textures() textures: %s, offscreen fbo: %s", self, self.textures, self.offscreen_fbo)
def gl_init_textures(self):
assert self.offscreen_fbo is None
assert self.shaders is None
self.textures = glGenTextures(5)
self.offscreen_fbo = glGenFramebuffers(1)
debug("%s.gl_init_textures() textures: %s, offscreen fbo: %s", self,
self.textures, self.offscreen_fbo)
def gl_init(self):
drawable = self.gl_begin()
w, h = self.size
debug("GL Pixmap backing size: %d x %d, drawable=%s", w, h, drawable)
if not drawable:
return None
if not self.gl_setup:
# Ask GL to send us all debug messages
if GL_DEBUG_OUTPUT and gl_debug_callback and glInitDebugKHR() == True:
glEnable(GL_DEBUG_OUTPUT)
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS)
glDebugMessageCallback(gl_debug_callback, None)
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, None, GL_TRUE)
# Initialize string_marker GL debugging extension if available
if glInitStringMarkerGREMEDY and glInitStringMarkerGREMEDY() == True:
log.info("Extension GL_GREMEDY_string_marker available. Will output detailed information about each frame.")
else:
# General case - running without debugger, extension not available
glStringMarkerGREMEDY = None
# Initialize frame_terminator GL debugging extension if available
if glInitFrameTerminatorGREMEDY and glInitFrameTerminatorGREMEDY() == True:
glFrameTerminatorGREMEDY = None
self.gl_marker("Initializing GL context for window size %d x %d" % (w, h))
# Initialize viewport and matrices for 2D rendering
glViewport(0, 0, w, h)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0.0, w, h, 0.0, -1.0, 1.0)
glMatrixMode(GL_MODELVIEW)
#TODO glEnableClientState(GL_VERTEX_ARRAY)
#TODO glEnableClientState(GL_TEXTURE_COORD_ARRAY)
# Clear to white
glClearColor(1.0, 1.0, 1.0, 1.0)
# Default state is good for YUV painting:
# - fragment program enabled
# - render to offscreen FBO
glEnable(GL_FRAGMENT_PROGRAM_ARB)
if self.textures is None:
self.textures = glGenTextures(5)
debug("textures for wid=%s of size %s : %s", self.wid, self.size, self.textures)
if self.offscreen_fbo is None:
self.offscreen_fbo = glGenFramebuffers(1)
# Define empty FBO texture and set rendering to FBO
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, self.textures[TEX_FBO])
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0)
glBindFramebuffer(GL_FRAMEBUFFER, self.offscreen_fbo)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, self.textures[TEX_FBO], 0)
glClear(GL_COLOR_BUFFER_BIT)
self.gl_setup = True
return drawable
def main():
glutInit(sys.argv)
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(640, 480)
glutInitWindowPosition(0, 0)
window = glutCreateWindow("Framebuffer bug demo")
for i in range( 200 ):
fbo = EXT.glGenFramebuffersEXT(1)
print "FBO = ", fbo
EXT.glDeleteFramebuffersEXT (int(fbo))
fbo = ARB.glGenFramebuffers(1)
print "FBO = ", fbo
ARB.glDeleteFramebuffers(int(fbo))
glFlush()
def main():
glutInit(sys.argv)
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(640, 480)
glutInitWindowPosition(0, 0)
window = glutCreateWindow("Framebuffer bug demo")
for i in range(200):
fbo = EXT.glGenFramebuffersEXT(1)
print "FBO = ", fbo
EXT.glDeleteFramebuffersEXT(int(fbo))
fbo = ARB.glGenFramebuffers(1)
print "FBO = ", fbo
ARB.glDeleteFramebuffers(int(fbo))
glFlush()
def main():
glutInit(sys.argv)
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(640, 480)
glutInitWindowPosition(0, 0)
glutCreateWindow("Framebuffer bug demo")
for i in range( 200 ):
fbo = EXT.glGenFramebuffersEXT(1)
print("FBO = ", fbo)
EXT.glDeleteFramebuffersEXT (int(fbo))
fbo = ARB.glGenFramebuffers(1)
print("FBO = ", fbo)
ARB.glDeleteFramebuffers(int(fbo))
glFlush()
try:
if fgDeinitialize: fgDeinitialize(False)
except NameError:
pass # Older PyOpenGL, you may see a seg-fault here...
def main():
glutInit(sys.argv)
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(640, 480)
glutInitWindowPosition(0, 0)
window = glutCreateWindow("Framebuffer bug demo")
for i in range( 200 ):
fbo = EXT.glGenFramebuffersEXT(1)
print("FBO = ", fbo)
EXT.glDeleteFramebuffersEXT (int(fbo))
fbo = ARB.glGenFramebuffers(1)
print("FBO = ", fbo)
ARB.glDeleteFramebuffers(int(fbo))
glFlush()
try:
if fgDeinitialize: fgDeinitialize(False)
except NameError as err:
pass # Older PyOpenGL, you may see a seg-fault here...
def gl_init_textures(self):
assert self.offscreen_fbo is None
assert self.shaders is None
self.textures = glGenTextures(5)
self.offscreen_fbo = glGenFramebuffers(1)
debug("%s.gl_init_textures() textures: %s, offscreen fbo: %s", self, self.textures, self.offscreen_fbo)
def gl_init(self):
drawable = self.gl_begin()
w, h = self.size
debug("%s.gl_init() GL Pixmap backing size: %d x %d, drawable=%s", self, w, h, drawable)
if not drawable:
return None
if not self.gl_setup:
#ensure python knows which scope we're talking about:
global glInitStringMarkerGREMEDY, glStringMarkerGREMEDY
global glInitFrameTerminatorGREMEDY, glFrameTerminatorGREMEDY
# Ask GL to send us all debug messages
if GL_DEBUG_OUTPUT and gl_debug_callback and glInitDebugKHR() == True:
glEnable(GL_DEBUG_OUTPUT)
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS)
glDebugMessageCallback(gl_debug_callback, None)
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, None, GL_TRUE)
# Initialize string_marker GL debugging extension if available
if glInitStringMarkerGREMEDY and glInitStringMarkerGREMEDY() == True:
log.info("Extension GL_GREMEDY_string_marker available. Will output detailed information about each frame.")
else:
# General case - running without debugger, extension not available
glStringMarkerGREMEDY = None
#don't bother trying again for another window:
glInitStringMarkerGREMEDY = None
# Initialize frame_terminator GL debugging extension if available
if glInitFrameTerminatorGREMEDY and glInitFrameTerminatorGREMEDY() == True:
log.info("Enabling GL frame terminator debugging.")
else:
glFrameTerminatorGREMEDY = None
#don't bother trying again for another window:
glInitFrameTerminatorGREMEDY = None
self.gl_marker("Initializing GL context for window size %d x %d" % (w, h))
# Initialize viewport and matrices for 2D rendering
glViewport(0, 0, w, h)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0.0, w, h, 0.0, -1.0, 1.0)
glMatrixMode(GL_MODELVIEW)
#TODO glEnableClientState(GL_VERTEX_ARRAY)
#TODO glEnableClientState(GL_TEXTURE_COORD_ARRAY)
# Clear to white
glClearColor(1.0, 1.0, 1.0, 1.0)
# Default state is good for YUV painting:
# - fragment program enabled
# - YUV fragment program bound
# - render to offscreen FBO
glEnable(GL_FRAGMENT_PROGRAM_ARB)
if self.textures is None:
self.textures = glGenTextures(5)
debug("%s.gl_init() textures of size %s : %s", self, self.size, self.textures)
if self.offscreen_fbo is None:
self.offscreen_fbo = glGenFramebuffers(1)
# Define empty FBO texture and set rendering to FBO
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, self.textures[TEX_FBO])
# nvidia needs this even though we don't use mipmaps (repeated through this file):
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0)
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, None)
glBindFramebuffer(GL_FRAMEBUFFER, self.offscreen_fbo)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, self.textures[TEX_FBO], 0)
glClear(GL_COLOR_BUFFER_BIT)
# Create and assign fragment programs
if not self.shaders:
self.shaders = [ 1, 2 ]
glGenProgramsARB(2, self.shaders)
for progid, progstr in ((0, YUV2RGB_shader), (1, RGBP2RGB_shader)):
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, self.shaders[progid])
glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, len(progstr), progstr)
err = glGetString(GL_PROGRAM_ERROR_STRING_ARB)
if err:
#FIXME: maybe we should do something else here?
log.error(err)
# Bind program 0 for YUV painting by default
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, self.shaders[0])
self.gl_setup = True
return drawable
def gl_init(self):
drawable = self.gl_begin()
w, h = self.size
debug("%s.gl_init() GL Pixmap backing size: %d x %d, drawable=%s",
self, w, h, drawable)
if not drawable:
return None
if not self.gl_setup:
#ensure python knows which scope we're talking about:
global glInitStringMarkerGREMEDY, glStringMarkerGREMEDY
global glInitFrameTerminatorGREMEDY, glFrameTerminatorGREMEDY
# Ask GL to send us all debug messages
if GL_DEBUG_OUTPUT and gl_debug_callback and glInitDebugKHR(
) == True:
glEnable(GL_DEBUG_OUTPUT)
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS)
glDebugMessageCallback(gl_debug_callback, None)
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE,
0, None, GL_TRUE)
# Initialize string_marker GL debugging extension if available
if glInitStringMarkerGREMEDY and glInitStringMarkerGREMEDY(
) == True:
log.info(
"Extension GL_GREMEDY_string_marker available. Will output detailed information about each frame."
)
else:
# General case - running without debugger, extension not available
glStringMarkerGREMEDY = None
#don't bother trying again for another window:
glInitStringMarkerGREMEDY = None
# Initialize frame_terminator GL debugging extension if available
if glInitFrameTerminatorGREMEDY and glInitFrameTerminatorGREMEDY(
) == True:
log.info("Enabling GL frame terminator debugging.")
else:
glFrameTerminatorGREMEDY = None
#don't bother trying again for another window:
glInitFrameTerminatorGREMEDY = None
self.gl_marker("Initializing GL context for window size %d x %d" %
(w, h))
# Initialize viewport and matrices for 2D rendering
glViewport(0, 0, w, h)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0.0, w, h, 0.0, -1.0, 1.0)
glMatrixMode(GL_MODELVIEW)
#TODO glEnableClientState(GL_VERTEX_ARRAY)
#TODO glEnableClientState(GL_TEXTURE_COORD_ARRAY)
# Clear to white
glClearColor(1.0, 1.0, 1.0, 1.0)
# Default state is good for YUV painting:
# - fragment program enabled
# - YUV fragment program bound
# - render to offscreen FBO
glEnable(GL_FRAGMENT_PROGRAM_ARB)
if self.textures is None:
self.textures = glGenTextures(5)
debug("%s.gl_init() textures of size %s : %s", self, self.size,
self.textures)
if self.offscreen_fbo is None:
self.offscreen_fbo = glGenFramebuffers(1)
# Define empty FBO texture and set rendering to FBO
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, self.textures[TEX_FBO])
# nvidia needs this even though we don't use mipmaps (repeated through this file):
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0)
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, w, h, 0, GL_RGB,
GL_UNSIGNED_BYTE, None)
glBindFramebuffer(GL_FRAMEBUFFER, self.offscreen_fbo)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_RECTANGLE_ARB,
self.textures[TEX_FBO], 0)
glClear(GL_COLOR_BUFFER_BIT)
# Create and assign fragment programs
if not self.shaders:
self.shaders = [1, 2]
glGenProgramsARB(2, self.shaders)
for progid, progstr in ((0, YUV2RGB_shader),
(1, RGBP2RGB_shader)):
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB,
self.shaders[progid])
glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB,
GL_PROGRAM_FORMAT_ASCII_ARB,
len(progstr), progstr)
err = glGetString(GL_PROGRAM_ERROR_STRING_ARB)
if err:
#FIXME: maybe we should do something else here?
log.error(err)
# Bind program 0 for YUV painting by default
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, self.shaders[0])
self.gl_setup = True
return drawable
def gl_init(self):
drawable = self.gl_begin()
w, h = self.size
debug("GL Pixmap backing size: %d x %d, drawable=%s", w, h, drawable)
if not drawable:
return None
if not self.gl_setup:
# Ask GL to send us all debug messages
if GL_DEBUG_OUTPUT and gl_debug_callback and glInitDebugKHR(
) == True:
glEnable(GL_DEBUG_OUTPUT)
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS)
glDebugMessageCallback(gl_debug_callback, None)
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE,
0, None, GL_TRUE)
# Initialize string_marker GL debugging extension if available
if glInitStringMarkerGREMEDY and glInitStringMarkerGREMEDY(
) == True:
log.info(
"Extension GL_GREMEDY_string_marker available. Will output detailed information about each frame."
)
else:
# General case - running without debugger, extension not available
glStringMarkerGREMEDY = None
# Initialize frame_terminator GL debugging extension if available
if glInitFrameTerminatorGREMEDY and glInitFrameTerminatorGREMEDY(
) == True:
glFrameTerminatorGREMEDY = None
self.gl_marker("Initializing GL context for window size %d x %d" %
(w, h))
# Initialize viewport and matrices for 2D rendering
glViewport(0, 0, w, h)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0.0, w, h, 0.0, -1.0, 1.0)
glMatrixMode(GL_MODELVIEW)
#TODO glEnableClientState(GL_VERTEX_ARRAY)
#TODO glEnableClientState(GL_TEXTURE_COORD_ARRAY)
# Clear to white
glClearColor(1.0, 1.0, 1.0, 1.0)
# Default state is good for YUV painting:
# - fragment program enabled
# - render to offscreen FBO
glEnable(GL_FRAGMENT_PROGRAM_ARB)
if self.textures is None:
self.textures = glGenTextures(5)
debug("textures for wid=%s of size %s : %s", self.wid,
self.size, self.textures)
if self.offscreen_fbo is None:
self.offscreen_fbo = glGenFramebuffers(1)
# Define empty FBO texture and set rendering to FBO
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, self.textures[TEX_FBO])
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, w, h, 0, GL_RGB,
GL_UNSIGNED_BYTE, 0)
glBindFramebuffer(GL_FRAMEBUFFER, self.offscreen_fbo)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_RECTANGLE_ARB,
self.textures[TEX_FBO], 0)
glClear(GL_COLOR_BUFFER_BIT)
self.gl_setup = True
return drawable