def glCheckError(title):
if not glCheckError.CHECK_ERROR: return
err = bgl.glGetError()
if err == bgl.GL_NO_ERROR: return
print('ERROR (%s): %s' %
(title, glCheckError.ERROR_MAP.get(err, 'code %d' % err)))
traceback.print_stack()
def gl_error(msg):
"""
Get latest OpenGL error and print it if any along with additional message.
"""
err = bgl.glGetError()
if err == bgl.GL_NO_ERROR:
return False
print('GL Error: %d (%s)'%(err,msg))
return True
def glerr(msg="OpenGL error"):
err = bgl.glGetError()
if err == 0:
return
glmsg = {
bgl.GL_INVALID_ENUM: "invalid enum",
bgl.GL_INVALID_VALUE: "invalid value",
bgl.GL_INVALID_OPERATION: "invalid operation",
bgl.GL_INVALID_FRAMEBUFFER_OPERATION: "invalid framebuffer operation",
bgl.GL_OUT_OF_MEMORY: "out of memory",
}.get(err, "unknown ({:x})".format(err))
raise RuntimeError(msg + ": " + glmsg)
def glCheckError(self, title):
err = bgl.glGetError()
if err == bgl.GL_NO_ERROR: return
derrs = {
bgl.GL_INVALID_ENUM: 'invalid enum',
bgl.GL_INVALID_VALUE: 'invalid value',
bgl.GL_INVALID_OPERATION: 'invalid operation',
bgl.GL_STACK_OVERFLOW: 'stack overflow',
bgl.GL_STACK_UNDERFLOW: 'stack underflow',
bgl.GL_OUT_OF_MEMORY: 'out of memory',
bgl.GL_INVALID_FRAMEBUFFER_OPERATION: 'invalid framebuffer operation',
}
if err in derrs:
print('ERROR (%s): %s' % (title, derrs[err]))
else:
print('ERROR (%s): code %d' % (title, err))
traceback.print_stack()
def glCheckError(self, title):
err = bgl.glGetError()
if err == bgl.GL_NO_ERROR: return
derrs = {
bgl.GL_INVALID_ENUM: 'invalid enum',
bgl.GL_INVALID_VALUE: 'invalid value',
bgl.GL_INVALID_OPERATION: 'invalid operation',
bgl.GL_STACK_OVERFLOW: 'stack overflow',
bgl.GL_STACK_UNDERFLOW: 'stack underflow',
bgl.GL_OUT_OF_MEMORY: 'out of memory',
bgl.GL_INVALID_FRAMEBUFFER_OPERATION: 'invalid framebuffer operation',
}
if err in derrs:
print('ERROR (%s): %s' % (title, derrs[err]))
else:
print('ERROR (%s): code %d' % (title, err))
traceback.print_stack()
def draw(self, engine, context, scene):
if self._transparent:
bgl.glEnable(bgl.GL_BLEND)
bgl.glBlendFunc(bgl.GL_ONE, bgl.GL_ONE_MINUS_SRC_ALPHA)
engine.bind_display_space_shader(scene)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture_id)
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(NULL)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, NULL)
engine.unbind_display_space_shader()
err = bgl.glGetError()
if err != bgl.GL_NO_ERROR:
print("GL Error:", err)
if self._transparent:
bgl.glDisable(bgl.GL_BLEND)
def check_gl_error():
error = bgl.glGetError()
if error != bgl.GL_NO_ERROR:
raise Exception(error)
def check_error(msg):
err = bgl.glGetError()
if err != bgl.GL_NO_ERROR:
print("slcad_snap GL Error:", msg, err)
def check_gl_error():
error = bgl.glGetError()
if error != bgl.GL_NO_ERROR:
raise Exception(error)