def _test_object_creation_and_deletion():
# Stuff that is originally glGenX
# Note that if we test glIsTexture(x), we cannot assume x to be a
# nonexisting texture; we might have created a texture in another
# test and failed to clean it up.
# Create/delete texture
#assert_equal(gl.glIsTexture(12), False)
handle = gl.glCreateTexture()
gl.glBindTexture(gl.GL_TEXTURE_2D, handle)
assert_equal(gl.glIsTexture(handle), True)
gl.glDeleteTexture(handle)
assert_equal(gl.glIsTexture(handle), False)
# Create/delete buffer
#assert_equal(gl.glIsBuffer(12), False)
handle = gl.glCreateBuffer()
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, handle)
assert_equal(gl.glIsBuffer(handle), True)
gl.glDeleteBuffer(handle)
assert_equal(gl.glIsBuffer(handle), False)
# Create/delete framebuffer
#assert_equal(gl.glIsFramebuffer(12), False)
handle = gl.glCreateFramebuffer()
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, handle)
assert_equal(gl.glIsFramebuffer(handle), True)
gl.glDeleteFramebuffer(handle)
assert_equal(gl.glIsFramebuffer(handle), False)
# Create/delete renderbuffer
#assert_equal(gl.glIsRenderbuffer(12), False)
handle = gl.glCreateRenderbuffer()
gl.glBindRenderbuffer(gl.GL_RENDERBUFFER, handle)
assert_equal(gl.glIsRenderbuffer(handle), True)
gl.glDeleteRenderbuffer(handle)
assert_equal(gl.glIsRenderbuffer(handle), False)
# Stuff that is originally called glCreate
# Create/delete program
#assert_equal(gl.glIsProgram(12), False)
handle = gl.glCreateProgram()
assert_equal(gl.glIsProgram(handle), True)
gl.glDeleteProgram(handle)
assert_equal(gl.glIsProgram(handle), False)
# Create/delete shader
#assert_equal(gl.glIsShader(12), False)
handle = gl.glCreateShader(gl.GL_VERTEX_SHADER)
assert_equal(gl.glIsShader(handle), True)
gl.glDeleteShader(handle)
assert_equal(gl.glIsShader(handle), False)
gl.check_error()
def draw(self):
if self._glsl:
fragment = fragment_template % self._glsl
self._glsl = None
# Check to see if the shader will compile successfully before we
# set it. We do this here because the ShaderWatcher runs in a
# different thread and so can't access the GL context.
frag_handle = gl.glCreateShader(gl.GL_FRAGMENT_SHADER)
gl.glShaderSource(frag_handle, fragment)
gl.glCompileShader(frag_handle)
status = gl.glGetShaderParameter(frag_handle, gl.GL_COMPILE_STATUS)
if not status:
errors = gl.glGetShaderInfoLog(frag_handle)
errors = self.process_errors(errors)
print("Shader failed to compile:", file=sys.stderr)
print(errors, file=sys.stderr)
# Switch to error shader
self._glsl = error_shader
self.update()
else:
self.program.set_shaders(vertex, fragment)
gl.glDeleteShader(frag_handle)
if self._interactive:
self.program.draw()
if self._ffmpeg_pipe is not None:
img = _screenshot()
self.write_video_frame(img)
self._render_frame_index += 1
if self._render_frame_count is not None and self._render_frame_index >= self._render_frame_count:
app.quit()
return
self.advance_time()
else:
with self._fbo:
rs = list(self._render_size)
if self._tile_coord[0] + rs[0] > self._output_size[0]:
rs[0] = self._output_size[0] - self._tile_coord[0]
if self._tile_coord[1] + rs[1] > self._output_size[1]:
rs[1] = self._output_size[1] - self._tile_coord[1]
gloo.set_viewport(0, 0, *rs)
self.program['iOffset'] = self._tile_coord
self.program.draw()
img = _screenshot()
row = self._output_size[1] - self._tile_coord[1] - rs[1]
col = self._tile_coord[0]
self._img[row:row + rs[1], col:col + rs[0], :] = img
def _test_object_creation_and_deletion():
# Stuff that is originally glGenX
# Note that if we test glIsTexture(x), we cannot assume x to be a
# nonexisting texture; we might have created a texture in another
# test and failed to clean it up.
# Create/delete texture
#assert_equal(gl.glIsTexture(12), False)
handle = gl.glCreateTexture()
gl.glBindTexture(gl.GL_TEXTURE_2D, handle)
assert_equal(gl.glIsTexture(handle), True)
gl.glDeleteTexture(handle)
assert_equal(gl.glIsTexture(handle), False)
# Create/delete buffer
#assert_equal(gl.glIsBuffer(12), False)
handle = gl.glCreateBuffer()
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, handle)
assert_equal(gl.glIsBuffer(handle), True)
gl.glDeleteBuffer(handle)
assert_equal(gl.glIsBuffer(handle), False)
# Create/delete framebuffer
#assert_equal(gl.glIsFramebuffer(12), False)
handle = gl.glCreateFramebuffer()
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, handle)
assert_equal(gl.glIsFramebuffer(handle), True)
gl.glDeleteFramebuffer(handle)
assert_equal(gl.glIsFramebuffer(handle), False)
# Create/delete renderbuffer
#assert_equal(gl.glIsRenderbuffer(12), False)
handle = gl.glCreateRenderbuffer()
gl.glBindRenderbuffer(gl.GL_RENDERBUFFER, handle)
assert_equal(gl.glIsRenderbuffer(handle), True)
gl.glDeleteRenderbuffer(handle)
assert_equal(gl.glIsRenderbuffer(handle), False)
# Stuff that is originally called glCreate
# Create/delete program
#assert_equal(gl.glIsProgram(12), False)
handle = gl.glCreateProgram()
assert_equal(gl.glIsProgram(handle), True)
gl.glDeleteProgram(handle)
assert_equal(gl.glIsProgram(handle), False)
# Create/delete shader
#assert_equal(gl.glIsShader(12), False)
handle = gl.glCreateShader(gl.GL_VERTEX_SHADER)
assert_equal(gl.glIsShader(handle), True)
gl.glDeleteShader(handle)
assert_equal(gl.glIsShader(handle), False)
gl.check_error()
def draw(self):
if self._glsl:
fragment = fragment_template % self._glsl
self._glsl = None
# Check to see if the shader will compile successfully before we
# set it. We do this here because the ShaderWatcher runs in a
# different thread and so can't access the GL context.
frag_handle = gl.glCreateShader(gl.GL_FRAGMENT_SHADER)
gl.glShaderSource(frag_handle, fragment)
gl.glCompileShader(frag_handle)
status = gl.glGetShaderParameter(frag_handle, gl.GL_COMPILE_STATUS)
if not status:
errors = gl.glGetShaderInfoLog(frag_handle)
errors = self.process_errors(errors)
print("Shader failed to compile:", file=sys.stderr)
print(errors, file=sys.stderr)
# Switch to error shader
self._glsl = error_shader
self.update()
else:
self.program.set_shaders(vertex, fragment)
gl.glDeleteShader(frag_handle)
if self._interactive:
self.program.draw()
if self._ffmpeg_pipe is not None:
img = _screenshot()
self.write_video_frame(img)
self._render_frame_index += 1
if self._render_frame_count is not None and self._render_frame_index >= self._render_frame_count:
app.quit()
return
self.advance_time()
else:
with self._fbo:
rs = list(self._render_size)
if self._tile_coord[0] + rs[0] > self._output_size[0]:
rs[0] = self._output_size[0] - self._tile_coord[0]
if self._tile_coord[1] + rs[1] > self._output_size[1]:
rs[1] = self._output_size[1] - self._tile_coord[1]
gloo.set_viewport(0, 0, *rs)
self.program['iOffset'] = self._tile_coord
self.program.draw()
img = _screenshot()
row = self._output_size[1] - self._tile_coord[1] - rs[1]
col = self._tile_coord[0]
self._img[row:row + rs[1], col:col + rs[0], :] = img
def draw(self):
for i in range(4):
if self._bufXglsl[i]:
fragment = fragment_template % self._bufXglsl[i]
self._bufXglsl[i] = None
frag_handle = gl.glCreateShader(gl.GL_FRAGMENT_SHADER)
gl.glShaderSource(frag_handle, fragment)
gl.glCompileShader(frag_handle)
status = gl.glGetShaderParameter(frag_handle,
gl.GL_COMPILE_STATUS)
if not status:
errors = gl.glGetShaderInfoLog(frag_handle)
errors = self.process_errors(errors)
print('Shader failed to compile:', file=sys.stderr)
print(errors, file=sys.stderr)
exit(1)
else:
self._BufX[i].set_shaders(vertex, fragment)
gl.glDeleteShader(frag_handle)
if self._glsl:
fragment = fragment_template % self._glsl
self._glsl = None
# Check to see if the shader will compile successfully before we
# set it. We do this here because the ShaderWatcher runs in a
# different thread and so can't access the GL context.
frag_handle = gl.glCreateShader(gl.GL_FRAGMENT_SHADER)
gl.glShaderSource(frag_handle, fragment)
gl.glCompileShader(frag_handle)
status = gl.glGetShaderParameter(frag_handle,
gl.GL_COMPILE_STATUS)
if not status:
errors = gl.glGetShaderInfoLog(frag_handle)
errors = self.process_errors(errors)
print('Shader failed to compile:', file=sys.stderr)
print(errors, file=sys.stderr)
exit(1)
# Switch to error shader
self._glsl = error_shader
self.update()
else:
self.program.set_shaders(vertex, fragment)
gl.glDeleteShader(frag_handle)
if self._interactive:
for i in range(4):
with self._fboX[self._doubleFboid][i]:
gloo.set_clear_color((0.0, 0.0, 0.0, 0.0))
gloo.clear(color=True, depth=True)
gloo.set_viewport(0, 0, *self.physical_size)
self._BufX[i].draw()
self.program.draw()
if self._ffmpeg_pipe is not None:
img = _screenshot()
self.write_video_frame(img)
self._render_frame_index += 1
if self._render_frame_count is not None \
and self._render_frame_index \
>= self._render_frame_count:
app.quit()
return
self._doubleFbo = not self._doubleFbo
self._doubleFboid=(0 if self._doubleFbo else 1)
self.advance_time()
self.program['iFrame'] = self._render_frame_index
self.set_Buf_uniform('iFrame' , self._render_frame_index)
self.set_channel_input()
self.set_Buf_channel_input()
else:
for i in range(4):
with self._fboX[self._doubleFboid][i]:
gloo.set_clear_color((0.0, 0.0, 0.0, 0.0))
gloo.clear(color=True, depth=True)
gloo.set_viewport(0, 0, *self.physical_size)
self._BufX[i].draw()
with self._fbo:
rs = list(self._render_size)
if self._tile_coord[0] + rs[0] > self._output_size[0]:
rs[0] = self._output_size[0] - self._tile_coord[0]
if self._tile_coord[1] + rs[1] > self._output_size[1]:
rs[1] = self._output_size[1] - self._tile_coord[1]
gloo.set_viewport(0, 0, *rs)
self.program['iOffset'] = self._tile_coord
self.program.draw()
self._doubleFbo = not self._doubleFbo
self._doubleFboid=(0 if self._doubleFbo else 1)
self.program['iFrame'] = self._render_frame_index
self.set_Buf_uniform('iFrame' , self._render_frame_index)
self.set_channel_input()
self.set_Buf_channel_input()
img = _screenshot()
row = self._output_size[1] - self._tile_coord[1] - rs[1]
col = self._tile_coord[0]
self._img[row:row + rs[1], col:col + rs[0], :] = img
