def __init__(self, width=1024, height=1024, **kwargs):
super(EGLRenderingContext, self).__init__(width, height, **kwargs)
self.EGL = EGL
self.display = EGL.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY)
major = np.zeros(1, "i4")
minor = np.zeros(1, "i4")
EGL.eglInitialize(self.display, major, minor)
num_configs = np.zeros(1, "i4")
config = EGL.EGLConfig()
# Now we create our necessary bits.
config_attribs = np.array(
[
EGL.EGL_RED_SIZE,
8,
EGL.EGL_GREEN_SIZE,
8,
EGL.EGL_BLUE_SIZE,
8,
EGL.EGL_DEPTH_SIZE,
24,
EGL.EGL_STENCIL_SIZE,
8,
EGL.EGL_COLOR_BUFFER_TYPE,
EGL.EGL_RGB_BUFFER,
EGL.EGL_SURFACE_TYPE,
EGL.EGL_PBUFFER_BIT,
EGL.EGL_RENDERABLE_TYPE,
EGL.EGL_OPENGL_BIT,
EGL.EGL_CONFIG_CAVEAT,
EGL.EGL_NONE,
EGL.EGL_NONE,
],
dtype="i4",
)
EGL.eglChooseConfig(
self.display, config_attribs, pointer(config), 1, num_configs
)
pbuffer_attribs = np.array(
[EGL.EGL_WIDTH, width, EGL.EGL_HEIGHT, height, EGL.EGL_NONE], dtype="i4"
)
self.surface = EGL.eglCreatePbufferSurface(
self.display, config, pbuffer_attribs
)
EGL.eglBindAPI(EGL.EGL_OPENGL_API)
self.context = EGL.eglCreateContext(
self.display, config, EGL.EGL_NO_CONTEXT, None
)
EGL.eglMakeCurrent(self.display, self.surface, self.surface, self.context)
GL.glClearColor(0.0, 0.0, 0.0, 0.0)
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
def create_opengl_context(self, surface_size=(640, 480)):
"""Create offscreen OpenGL context and make it current.
Users are expected to directly use EGL API in case more advanced
context management is required.
Args:
surface_size: (width, height), size of the offscreen rendering surface.
"""
egl_display = egl.eglGetDisplay(egl.EGL_DEFAULT_DISPLAY)
major, minor = egl.EGLint(), egl.EGLint()
egl.eglInitialize(egl_display, pointer(major), pointer(minor))
config_attribs = [
egl.EGL_SURFACE_TYPE,
egl.EGL_PBUFFER_BIT,
egl.EGL_BLUE_SIZE,
8,
egl.EGL_GREEN_SIZE,
8,
egl.EGL_RED_SIZE,
8,
egl.EGL_DEPTH_SIZE,
24,
egl.EGL_RENDERABLE_TYPE,
egl.EGL_OPENGL_BIT,
egl.EGL_NONE,
]
# if need MSAA https://www.khronos.org/opengl/wiki/Multisampling
config_attribs = (egl.EGLint * len(config_attribs))(*config_attribs)
num_configs = egl.EGLint()
egl_cfg = egl.EGLConfig()
egl.eglChooseConfig(egl_display, config_attribs, pointer(egl_cfg), 1,
pointer(num_configs))
width, height = surface_size
pbuffer_attribs = [
egl.EGL_WIDTH,
width,
egl.EGL_HEIGHT,
height,
egl.EGL_NONE,
]
pbuffer_attribs = (egl.EGLint * len(pbuffer_attribs))(*pbuffer_attribs)
egl_surf = egl.eglCreatePbufferSurface(egl_display, egl_cfg,
pbuffer_attribs)
egl.eglBindAPI(egl.EGL_OPENGL_API)
egl_context = egl.eglCreateContext(egl_display, egl_cfg,
egl.EGL_NO_CONTEXT, None)
egl.eglMakeCurrent(egl_display, egl_surf, egl_surf, egl_context)
self.display = egl_display
def __init__(self, width=640, height=480, fullscreen=False, aspect=None):
self.gl = gl
self.bo_next = self.bo_prev = None
self.last_swap = time.time()
self.frame_count = 0
self.disp = egl.eglGetPlatformDisplay(EGL_PLATFORM_SURFACELESS_MESA,
egl.EGL_DEFAULT_DISPLAY, None)
if not self.disp:
raise Exception("Failed to get egl display")
BaseDisplay.__init__(self, width, height, True, aspect)
attribList = arrays.GLintArray.asArray([
egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_ES2_BIT,
egl.EGL_SURFACE_TYPE, egl.EGL_PBUFFER_BIT, egl.EGL_RED_SIZE, 8,
egl.EGL_GREEN_SIZE, 8, egl.EGL_BLUE_SIZE, 8, egl.EGL_ALPHA_SIZE, 8,
egl.EGL_NONE
])
ctxAttrib = arrays.GLintArray.asArray(
[egl.EGL_CONTEXT_CLIENT_VERSION, 2, egl.EGL_NONE])
surfaceAttrib = arrays.GLintArray.asArray(
[egl.EGL_WIDTH, width, egl.EGL_HEIGHT, height, egl.EGL_NONE])
egl.eglInitialize(self.disp, None, None)
config = egl.EGLConfig()
num_configs = ctypes.c_long()
egl.eglChooseConfig(self.disp, attribList, byref(config), 1,
byref(num_configs))
ret = ctypes.c_int()
egl.eglBindAPI(egl.EGL_OPENGL_ES_API)
self.context = egl.eglCreateContext(self.disp, config,
egl.EGL_NO_CONTEXT, ctxAttrib)
self.surface = egl.eglCreatePbufferSurface(self.disp, config,
surfaceAttrib)
assert egl.eglMakeCurrent(self.disp, self.surface, self.surface,
self.context)
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, 0)
gl.glClearColor(0, 0, 0, 0.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.win_width = self.width = width
self.win_height = self.height = height
gl.glViewport(0, 0, self.win_width, self.win_height)
self.clear_color = self.TRANSPARENT
self._initialize()
def main():
_width = 256
_height = 256
# Whether hidpi is active
#def on_error(error, message):
# log.warning(message)
#glfw.glfwSetErrorCallback(on_error)
egl_display = egl.eglGetDisplay(egl.EGL_DEFAULT_DISPLAY)
major, minor = egl.EGLint(), egl.EGLint()
egl.eglInitialize(egl_display, pointer(major), pointer(minor))
config_attribs = [
egl.EGL_SURFACE_TYPE, egl.EGL_PBUFFER_BIT, egl.EGL_BLUE_SIZE, 8,
egl.EGL_GREEN_SIZE, 8, egl.EGL_RED_SIZE, 8, egl.EGL_DEPTH_SIZE, 24,
egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_BIT, egl.EGL_NONE
]
config_attribs = (egl.EGLint * len(config_attribs))(*config_attribs)
num_configs = egl.EGLint()
egl_cfg = egl.EGLConfig()
egl.eglChooseConfig(egl_display, config_attribs, pointer(egl_cfg), 1,
pointer(num_configs))
pbuffer_attribs = [
egl.EGL_WIDTH,
_width,
egl.EGL_HEIGHT,
_height,
egl.EGL_NONE,
]
pbuffer_attribs = (egl.EGLint * len(pbuffer_attribs))(*pbuffer_attribs)
egl_surf = egl.eglCreatePbufferSurface(egl_display, egl_cfg,
pbuffer_attribs)
egl.eglBindAPI(egl.EGL_OPENGL_API)
egl_context = egl.eglCreateContext(egl_display, egl_cfg,
egl.EGL_NO_CONTEXT, None)
egl.eglMakeCurrent(egl_display, egl_surf, egl_surf, egl_context)
#print("context made current")
print('Vendor: {}'.format(glGetString(GL_VENDOR).decode('utf-8')))
print('Opengl version: {}'.format(glGetString(GL_VERSION).decode('utf-8')))
print('GLSL Version: {}'.format(
glGetString(GL_SHADING_LANGUAGE_VERSION).decode('utf-8')))
print('Renderer: {}'.format(glGetString(GL_RENDERER).decode('utf-8')))
def create_opengl_context(surface_size=(640, 480)):
"""Create offscreen OpenGL context and make it current.
Users are expected to directly use EGL API in case more advanced
context management is required.
Args:
surface_size: (width, height), size of the offscreen rendering surface.
"""
egl_display = create_initialized_headless_egl_display()
if egl_display == egl.EGL_NO_DISPLAY:
raise ImportError('Cannot initialize a headless EGL display.')
major, minor = egl.EGLint(), egl.EGLint()
egl.eglInitialize(egl_display, pointer(major), pointer(minor))
config_attribs = [
egl.EGL_SURFACE_TYPE, egl.EGL_PBUFFER_BIT, egl.EGL_BLUE_SIZE, 8,
egl.EGL_GREEN_SIZE, 8, egl.EGL_RED_SIZE, 8, egl.EGL_DEPTH_SIZE, 24,
egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_BIT, egl.EGL_NONE
]
config_attribs = (egl.EGLint * len(config_attribs))(*config_attribs)
num_configs = egl.EGLint()
egl_cfg = egl.EGLConfig()
egl.eglChooseConfig(egl_display, config_attribs, pointer(egl_cfg), 1,
pointer(num_configs))
width, height = surface_size
pbuffer_attribs = [
egl.EGL_WIDTH,
width,
egl.EGL_HEIGHT,
height,
egl.EGL_NONE,
]
pbuffer_attribs = (egl.EGLint * len(pbuffer_attribs))(*pbuffer_attribs)
egl_surf = egl.eglCreatePbufferSurface(egl_display, egl_cfg,
pbuffer_attribs)
egl.eglBindAPI(egl.EGL_OPENGL_API)
egl_context = egl.eglCreateContext(egl_display, egl_cfg,
egl.EGL_NO_CONTEXT, None)
egl.eglMakeCurrent(egl_display, egl_surf, egl_surf, egl_context)
def __init__(self, width=400, height=400):
self.width = width
self.height = height
from OpenGL import EGL
self.EGL = EGL
self.display = EGL.eglGetDisplay(EGL.EGL_NO_DISPLAY)
major = np.zeros(1, "i4")
minor = np.zeros(1, "i4")
EGL.eglInitialize(self.display, major, minor)
num_configs = np.zeros(1, "i4")
configs = (EGL.EGLConfig*1)()
# Now we create our necessary bits.
config_attribs = np.array([
EGL.EGL_SURFACE_TYPE, EGL.EGL_PBUFFER_BIT,
EGL.EGL_ALPHA_SIZE, 8,
EGL.EGL_BLUE_SIZE, 8,
EGL.EGL_GREEN_SIZE, 8,
EGL.EGL_RED_SIZE, 8,
EGL.EGL_DEPTH_SIZE, 24,
EGL.EGL_RENDERABLE_TYPE,
EGL.EGL_OPENGL_BIT,
EGL.EGL_NONE,
], dtype="i4")
EGL.eglChooseConfig(self.display, config_attribs, configs, 1, num_configs)
self.config = configs[0]
pbuffer_attribs = np.array([
EGL.EGL_WIDTH, width,
EGL.EGL_HEIGHT, height,
EGL.EGL_NONE
], dtype="i4")
self.surface = EGL.eglCreatePbufferSurface(self.display, self.config, pbuffer_attribs)
EGL.eglBindAPI(EGL.EGL_OPENGL_API)
self.context = EGL.eglCreateContext(self.display, self.config, EGL.EGL_NO_CONTEXT, None)
EGL.eglMakeCurrent(self.display, self.surface, self.surface, self.context)
GL.glEnable(GL.GL_DEPTH_TEST)
self.clear()
def init_egl(width, height):
prev_display = os.environ.pop('DISPLAY', None)
dpy = EGL.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY)
if prev_display is not None:
os.environ['DISPLAY'] = prev_display
major = ctypes.c_long()
minor = ctypes.c_long()
EGL.eglInitialize(dpy, major, minor)
attrs = EGL.arrays.GLintArray.asArray([
EGL.EGL_SURFACE_TYPE, EGL.EGL_PBUFFER_BIT, EGL.EGL_BLUE_SIZE, 8,
EGL.EGL_RED_SIZE, 8, EGL.EGL_GREEN_SIZE, 8, EGL.EGL_ALPHA_SIZE, 8,
EGL.EGL_DEPTH_SIZE, 24, EGL.EGL_COLOR_BUFFER_TYPE, EGL.EGL_RGB_BUFFER,
EGL.EGL_RENDERABLE_TYPE, EGL.EGL_OPENGL_BIT, EGL.EGL_CONFORMANT,
EGL.EGL_OPENGL_BIT, EGL.EGL_NONE
])
configs = (EGL.EGLConfig * 1)()
num_configs = ctypes.c_long()
EGL.eglChooseConfig(dpy, attrs, configs, 1, num_configs)
EGL.eglBindAPI(EGL.EGL_OPENGL_API)
attrs = [EGL.EGL_WIDTH, width, EGL.EGL_HEIGHT, height, EGL.EGL_NONE]
surface = EGL.eglCreatePbufferSurface(dpy, configs[0], attrs)
attrs = [
EGL.EGL_CONTEXT_MAJOR_VERSION, 4, EGL.EGL_CONTEXT_MINOR_VERSION, 0,
EGL.EGL_CONTEXT_OPENGL_PROFILE_MASK,
EGL.EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT, EGL.EGL_NONE
]
attrs = [EGL.EGL_NONE]
ctx = EGL.eglCreateContext(dpy, configs[0], EGL.EGL_NO_CONTEXT, attrs)
EGL.eglMakeCurrent(dpy, surface, surface, ctx)
return dpy
def initialize_on_device(self, device, width, height):
print("selected: " + device.name)
# step 1
if device.initialize():
self.add_rollback_cb(lambda: device.release())
else:
self.rollback()
return False
# step 2
egl_dpy = device.get_egl_display()
if egl_dpy != egl.EGL_NO_DISPLAY:
self.add_rollback_cb(lambda: egl.eglTerminate(egl_dpy))
else:
self.rollback()
return False
# step 3
major, minor = egl.EGLint(), egl.EGLint()
if not egl.eglInitialize(egl_dpy, pointer(major), pointer(minor)):
self.rollback()
return False
print("EGL version %d.%d" % (major.value, minor.value))
# step 4
egl_config = self.get_config(egl_dpy, device.compatible_surface_type())
if egl_config is None:
self.rollback()
return False
# step 5
egl_surface = device.create_surface(egl_dpy, egl_config)
if egl_surface.initialize(width, height):
self.add_rollback_cb(lambda: egl_surface.release())
else:
self.rollback()
return False
# step 6
egl_context = self.get_context(egl_dpy, egl_config)
if egl_context is not None:
self.add_rollback_cb(
lambda: egl.eglDestroyContext(egl_dpy, egl_context))
else:
self.rollback()
return False
# step 7
if not egl_surface.make_current(egl_context):
self.rollback()
return False
# device seems to be working
return True
def create_initialized_headless_egl_display():
"""Creates an initialized EGL display directly on a device."""
for device in egl_get_devices():
display = egl.eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT, device,
None)
if display != egl.EGL_NO_DISPLAY and egl.eglGetError(
) == egl.EGL_SUCCESS:
# `eglInitialize` may or may not raise an exception on failure depending
# on how PyOpenGL is configured. We therefore catch a `GLError` and also
# manually check the output of `eglGetError()` here.
try:
initialized = egl.eglInitialize(display, None, None)
except error.GLError:
pass
else:
if initialized == egl.EGL_TRUE and egl.eglGetError(
) == egl.EGL_SUCCESS:
return display
return egl.EGL_NO_DISPLAY
def initialize_on_device(self, device, width, height):
print("selected: " + device.name)
# step 1
if device.initialize():
self.add_rollback_cb(lambda: device.release())
else:
self.rollback(); return False
# step 2
egl_dpy = device.get_egl_display()
if egl_dpy != egl.EGL_NO_DISPLAY:
self.add_rollback_cb(lambda: egl.eglTerminate(egl_dpy))
self.egl_dpy = egl_dpy
else:
self.rollback(); return False
# step 3
major, minor = egl.EGLint(), egl.EGLint()
if not egl.eglInitialize(egl_dpy, pointer(major), pointer(minor)):
self.rollback(); return False
print("EGL version %d.%d" % (major.value, minor.value))
# step 4
egl_config = self.get_config(egl_dpy, device.compatible_surface_type())
if egl_config is None:
self.rollback(); return False
# step 5
egl_surface = device.create_surface(egl_dpy, egl_config)
if egl_surface.initialize(width, height):
self.add_rollback_cb(lambda: egl_surface.release())
self.egl_surface = egl_surface
else:
self.rollback(); return False
# step 6
egl_context = self.get_context(egl_dpy, egl_config)
if egl_context is not None:
self.add_rollback_cb(lambda: egl.eglDestroyContext(egl_dpy, egl_context))
self.egl_context = egl_context
else:
self.rollback(); return False
# device seems to be working
return True
def __init__(self, width=640, height=480, fullscreen=False, aspect=None):
self.gl = gl
self.bo_next = self.bo_prev = None
self.last_swap = time.time()
self.frame_count = 0
self.card = pykms.Card()
print("DRM fd: %d" % self.card.fd)
print("Has atomic: %r" % self.card.has_atomic)
self.render_fd = -1
render_name = libdrm.drmGetRenderDeviceNameFromFd(self.card.fd)
print("Render device name: %r" % render_name)
if render_name:
try:
self.render_fd = os.open(render_name, os.O_RDWR)
except OSError:
print("Render node not available")
print("Render fd: %d" % self.render_fd)
self.gbm_dev = libgbm.gbm_create_device(self.card.fd)
if not self.gbm_dev:
raise Exception("Failed to create GBM device")
print("GBM dev: %x" % self.gbm_dev)
self.res = pykms.ResourceManager(self.card)
self.conn = self.res.reserve_connector()
self.crtc = self.res.reserve_crtc(self.conn)
self.root_plane = self.res.reserve_generic_plane(self.crtc)
if not self.root_plane:
raise Exception("Root plane not available")
self.mode = mode = self.conn.get_default_mode()
BaseDisplay.__init__(self, mode.hdisplay, mode.vdisplay, True, aspect)
self.fps = 1000 * mode.clock / (mode.htotal * mode.vtotal)
print("Creating GBM surface (%dx%d %f Hz)" % (mode.hdisplay, mode.vdisplay, self.fps))
self.gbm_surface = libgbm.gbm_surface_create(
c_void_p(self.gbm_dev), mode.hdisplay, mode.vdisplay,
GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING)
if not self.gbm_surface:
raise Exception("Failed to create GBM surface")
print("GBM surface: %x" % self.gbm_surface)
self.disp = egl.eglGetDisplay(self.gbm_dev)
if not self.disp:
raise Exception("Failed to get egl display")
attribList = arrays.GLintArray.asArray([
egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_ES2_BIT,
egl.EGL_SURFACE_TYPE, egl.EGL_WINDOW_BIT,
#egl.EGL_COLOR_BUFFER_TYPE, egl.EGL_RGB_BUFFER,
egl.EGL_RED_SIZE, 8,
egl.EGL_GREEN_SIZE, 8,
egl.EGL_BLUE_SIZE, 8,
egl.EGL_ALPHA_SIZE, 0,
egl.EGL_NONE
])
ctxAttrib = arrays.GLintArray.asArray([
egl.EGL_CONTEXT_CLIENT_VERSION, 2,
egl.EGL_NONE
])
egl.eglInitialize(self.disp, None, None)
config = egl.EGLConfig()
num_configs = ctypes.c_long()
egl.eglChooseConfig(self.disp, attribList, byref(config), 1, byref(num_configs))
ret = ctypes.c_int()
egl.eglBindAPI(egl.EGL_OPENGL_ES_API)
self.surface = egl.eglCreateWindowSurface(self.disp, config, c_void_p(self.gbm_surface), None)
self.context = egl.eglCreateContext(self.disp, config, egl.EGL_NO_CONTEXT, ctxAttrib)
assert egl.eglMakeCurrent(self.disp, self.surface, self.surface, self.context)
egl.eglSwapInterval(self.disp, 1)
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, 0)
gl.glClearColor(0, 0, 0, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
#fb = self.lock_next()
#self.crtc.set_mode(self.conn, fb, mode)
modeb = mode.to_blob(self.card)
req = pykms.AtomicReq(self.card)
req.add(self.conn, "CRTC_ID", self.crtc.id)
req.add(self.crtc, {"ACTIVE": 1,
"MODE_ID": modeb.id})
if req.test(allow_modeset = True):
raise Exception("Atomic test failed")
if req.commit_sync(allow_modeset = True):
raise Exception("Atomic commit failed")
self.win_width = self.width = mode.hdisplay
self.win_height = self.height = mode.vdisplay
gl.glViewport(0, 0, self.win_width, self.win_height)
self.clear_color = self.BLACK
self._initialize()
def __init__(self, width=640, height=480, fullscreen=False, aspect=None):
self.gl = gl
libbcm_host.bcm_host_init()
display = libbcm_host.vc_dispmanx_display_open(0)
mode = DISPMANX_MODEINFO_T()
libbcm_host.vc_dispmanx_display_get_info(display, byref(mode))
print("Display mode: %dx%d" % (mode.width, mode.height))
self.disp = egl.eglGetDisplay(egl.EGL_DEFAULT_DISPLAY)
attribList = arrays.GLintArray.asArray([
egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_ES2_BIT,
egl.EGL_SURFACE_TYPE, egl.EGL_WINDOW_BIT,
#egl.EGL_COLOR_BUFFER_TYPE, egl.EGL_RGB_BUFFER,
egl.EGL_RED_SIZE, 8,
egl.EGL_GREEN_SIZE, 8,
egl.EGL_BLUE_SIZE, 8,
egl.EGL_ALPHA_SIZE, 8,
egl.EGL_NONE
])
ctxAttrib = arrays.GLintArray.asArray([
egl.EGL_CONTEXT_CLIENT_VERSION, 2,
egl.EGL_NONE
])
egl.eglInitialize(self.disp, None, None)
config = egl.EGLConfig()
num_configs = ctypes.c_long()
egl.eglChooseConfig(self.disp, attribList, byref(config), 1, byref(num_configs))
ret = ctypes.c_int()
egl.eglBindAPI(egl.EGL_OPENGL_ES_API)
update = libbcm_host.vc_dispmanx_update_start(0)
rectDst = VC_RECT_T()
rectDst.x = rectDst.y = 0
rectDst.width = mode.width
rectDst.height = mode.height
rectSrc = VC_RECT_T()
rectSrc.x = rectDst.y = 0
rectSrc.width = mode.width << 16
rectSrc.height = mode.height << 16
alpha = VC_DISPMANX_ALPHA_T()
alpha.flags = 1 << 16 # premultiplied alpha
alpha.opacity = 255
alpha.mask = 0
self.nativeWindow = EGL_DISPMANX_WINDOW_T()
self.nativeWindow.width = mode.width
self.nativeWindow.height = mode.height
layer = 0
self.nativeWindow.element = libbcm_host.vc_dispmanx_element_add(
update, display, layer, byref(rectDst), 0, byref(rectSrc),
0, byref(alpha), 0, 0)
libbcm_host.vc_dispmanx_update_submit_sync(update)
libbcm_host.vc_dispmanx_display_close(display)
self.surface = egl.eglCreateWindowSurface(self.disp, config, byref(self.nativeWindow), None)
self.context = egl.eglCreateContext(self.disp, config, egl.EGL_NO_CONTEXT, ctxAttrib)
assert egl.eglMakeCurrent(self.disp, self.surface, self.surface, self.context)
egl.eglSwapInterval(self.disp, 1)
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, 0)
for i in range(5):
gl.glClearColor(0, 0, 0, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
egl.eglSwapBuffers(self.disp, self.surface)
self.win_width = self.width = mode.width
self.win_height = self.height = mode.height
gl.glViewport(0, 0, self.win_width, self.win_height)
BaseDisplay.__init__(self, mode.width, mode.height, True, aspect)
# Transparent layer
self.clear_color = self.TRANSPARENT
self._initialize()
def __init__(self, width=640, height=480, fullscreen=False, aspect=None):
self.gl = gl
libbcm_host.bcm_host_init()
display = libbcm_host.vc_dispmanx_display_open(0)
mode = DISPMANX_MODEINFO_T()
libbcm_host.vc_dispmanx_display_get_info(display, byref(mode))
print("Display mode: %dx%d" % (mode.width, mode.height))
self.disp = egl.eglGetDisplay(egl.EGL_DEFAULT_DISPLAY)
attribList = arrays.GLintArray.asArray([
egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_ES2_BIT,
egl.EGL_SURFACE_TYPE, egl.EGL_WINDOW_BIT,
#egl.EGL_COLOR_BUFFER_TYPE, egl.EGL_RGB_BUFFER,
egl.EGL_RED_SIZE, 8,
egl.EGL_GREEN_SIZE, 8,
egl.EGL_BLUE_SIZE, 8,
egl.EGL_ALPHA_SIZE, 8,
egl.EGL_NONE
])
ctxAttrib = arrays.GLintArray.asArray([
egl.EGL_CONTEXT_CLIENT_VERSION, 2,
egl.EGL_NONE
])
egl.eglInitialize(self.disp, None, None)
config = egl.EGLConfig()
num_configs = ctypes.c_long()
egl.eglChooseConfig(self.disp, attribList, byref(config), 1, byref(num_configs))
ret = ctypes.c_int()
egl.eglBindAPI(egl.EGL_OPENGL_ES_API)
update = libbcm_host.vc_dispmanx_update_start(0)
rectDst = VC_RECT_T()
rectDst.x = rectDst.y = 0
rectDst.width = mode.width
rectDst.height = mode.height
rectSrc = VC_RECT_T()
rectSrc.x = rectDst.y = 0
rectSrc.width = mode.width << 16
rectSrc.height = mode.height << 16
alpha = VC_DISPMANX_ALPHA_T()
alpha.flags = 1 << 16 # premultiplied alpha
alpha.opacity = 255
alpha.mask = 0
self.nativeWindow = EGL_DISPMANX_WINDOW_T()
self.nativeWindow.width = mode.width
self.nativeWindow.height = mode.height
layer = 0
self.nativeWindow.element = libbcm_host.vc_dispmanx_element_add(
update, display, layer, byref(rectDst), 0, byref(rectSrc),
0, byref(alpha), 0, 0)
libbcm_host.vc_dispmanx_update_submit_sync(update)
libbcm_host.vc_dispmanx_display_close(display)
self.surface = egl.eglCreateWindowSurface(self.disp, config, byref(self.nativeWindow), None)
self.context = egl.eglCreateContext(self.disp, config, egl.EGL_NO_CONTEXT, ctxAttrib)
assert egl.eglMakeCurrent(self.disp, self.surface, self.surface, self.context)
egl.eglSwapInterval(self.disp, 1)
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, 0)
for i in range(5):
gl.glClearColor(0, 0, 0, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
egl.eglSwapBuffers(self.disp, self.surface)
self.win_width = self.width = mode.width
self.win_height = self.height = mode.height
gl.glViewport(0, 0, self.win_width, self.win_height)
BaseDisplay.__init__(self, mode.width, mode.height, True, aspect)
# Transparent layer
self.clear_color = self.TRANSPARENT
self._initialize()
def video_init(self):
"""This function should be called from within the RomOpen() video plugin
function call. The default SDL implementation of this function simply
calls SDL_InitSubSystem(SDL_INIT_VIDEO). It does not open a rendering
window or switch video modes.
PROTOTYPE:
m64p_error VidExt_Init(void)"""
log.debug("Vidext: video_init()")
if self.window.platform == 'Linux':
#if self.window.environment.wm == 'X11':
from gi.repository import GdkX11
self.window_handle = self.window.canvas.get_property(
'window').get_xid()
#elif self.window.environment.wm == 'Wayland':
# from gi.repository import GdkWayland # No bindings...?
# # XXX: It won't work on wayland without forcing GDK_BACKEND=x11, but I can live with that.
# self.window_handle = GdkWayland.window_get_wl_surface(self.parent.get_window())
elif self.window.platform == 'Windows':
# https://stackoverflow.com/questions/23021327/how-i-can-get-drawingarea-window-handle-in-gtk3/27236258#27236258
# https://gitlab.gnome.org/GNOME/gtk/issues/510
drawingareahwnd = self.window.canvas.get_property("window")
# make sure to call ensure_native before e.g. on realize
if not drawingareahwnd.has_native():
log.warning(
"Vidext: Your window is gonna freeze as soon as you move or resize it..."
)
c.pythonapi.PyCapsule_GetPointer.restype = c.c_void_p
c.pythonapi.PyCapsule_GetPointer.argtypes = [c.py_object]
drawingarea_gpointer = c.pythonapi.PyCapsule_GetPointer(
drawingareahwnd.__gpointer__, None)
# get the win32 handle
libgdk = c.CDLL("gdk-3-vs16.dll")
self.window_handle = libgdk.gdk_win32_window_get_handle(
drawingarea_gpointer)
elif self.window.platform == 'Darwin':
# https://gitlab.gnome.org/GNOME/pygobject/issues/112
drawingareahnd = self.window.canvas.get_property("window")
# make sure to call ensure_native before e.g. on realize
if not drawingareahnd.has_native():
log.warning(
"Vidext: Your window is gonna freeze as soon as you move or resize it..."
)
c.pythonapi.PyCapsule_GetPointer.restype = c.c_void_p
c.pythonapi.PyCapsule_GetPointer.argtypes = [c.py_object]
gpointer = c.pythonapi.PyCapsule_GetPointer(
drawingareahnd.__gpointer__, None)
libgdk = c.CDLL("libgdk-3.0.dylib")
#gdk_quartz_window_get_nswindow segfaults.
libgdk.gdk_quartz_window_get_nsview.restype = c.c_void_p
libgdk.gdk_quartz_window_get_nsview.argtypes = [c.c_void_p]
self.window_handle = libgdk.gdk_quartz_window_get_nsview(gpointer)
# Reset EGL
self.__reset_egl()
# Get EGL display
self.egl_display = egl.eglGetDisplay(egl.EGL_DEFAULT_DISPLAY)
if self.egl_display == egl.EGL_NO_DISPLAY:
log.error(f"eglGetDisplay() returned error: {egl.eglGetError()}")
return wrp_dt.m64p_error.M64ERR_INVALID_STATE.value
# Initialize EGL
retval = egl.eglInitialize(self.egl_display, c.c_int(0), c.c_int(0))
# XXX: Required by glide64mk, make EGL know that we want pure OpenGL
egl.eglBindAPI(egl.EGL_OPENGL_API)
if retval == egl.EGL_TRUE:
return wrp_dt.m64p_error.M64ERR_SUCCESS.value
else:
log.error(f"eglInitialize() returned error: {egl.eglGetError()}")
return wrp_dt.m64p_error.M64ERR_INVALID_STATE.value
