def generate_texture(self):
logger.info("Generate VectorFieldTexture3D.")
core_manager = CoreManager.getInstance()
resource_manager = core_manager.resource_manager
renderer = core_manager.renderer
texture = CreateTexture(
name=self.texture_name,
texture_type=Texture3D,
width=self.texture_width,
height=self.texture_height,
depth=self.texture_depth,
internal_format=GL_RGBA16F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP,
)
resource = resource_manager.texture_loader.get_resource(
self.texture_name)
if resource is None:
resource = resource_manager.texture_loader.create_resource(
self.texture_name, texture)
else:
old_texture = resource.get_data()
if old_texture is not None:
old_texture.delete()
resource.set_data(texture)
glPolygonMode(GL_FRONT_AND_BACK, renderer.view_mode)
glDepthFunc(GL_LEQUAL)
glEnable(GL_CULL_FACE)
glFrontFace(GL_CCW)
glEnable(GL_DEPTH_TEST)
glDepthMask(True)
glClearColor(0.0, 0.0, 0.0, 1.0)
glClearDepth(1.0)
renderer.set_blend_state(False)
renderer.framebuffer_manager.bind_framebuffer(texture)
glClear(GL_COLOR_BUFFER_BIT)
material_instance = resource_manager.get_material_instance(
'procedural.vector_field_3d')
material_instance.use_program()
for i in range(texture.depth):
material_instance.bind_uniform_data('depth', i / texture.depth)
renderer.framebuffer_manager.bind_framebuffer(texture,
target_layer=i)
renderer.postprocess.draw_elements()
renderer.restore_blend_state_prev()
# save
resource_manager.texture_loader.save_resource(resource.name)
def generate_texture(self):
logger.info("Generate CloudTexture3D.")
core_manager = CoreManager.getInstance()
resource_manager = core_manager.resource_manager
renderer = core_manager.renderer
texture = CreateTexture(
name=self.texture_name,
texture_type=Texture3D,
width=self.width,
height=self.height,
depth=self.depth,
internal_format=GL_R16F,
texture_format=GL_RED,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_REPEAT,
)
resource = resource_manager.texture_loader.get_resource(
self.texture_name)
if resource is None:
resource = resource_manager.texture_loader.create_resource(
self.texture_name, texture)
resource_manager.texture_loader.save_resource(resource.name)
else:
old_texture = resource.get_data()
old_texture.delete()
resource.set_data(texture)
glPolygonMode(GL_FRONT_AND_BACK, renderer.view_mode)
glDepthFunc(GL_LEQUAL)
glEnable(GL_CULL_FACE)
glFrontFace(GL_CCW)
glEnable(GL_DEPTH_TEST)
glDepthMask(True)
glClearColor(0.0, 0.0, 0.0, 1.0)
glClearDepth(1.0)
renderer.set_blend_state(False)
renderer.framebuffer_manager.bind_framebuffer(texture)
glClear(GL_COLOR_BUFFER_BIT)
mat = resource_manager.get_material_instance(
'procedural.cloud_noise_3d')
mat.use_program()
mat.bind_uniform_data('texture_random',
resource_manager.get_texture("common.random"))
mat.bind_uniform_data('random_seed', random.random())
mat.bind_uniform_data('sphere_count', self.sphere_count)
mat.bind_uniform_data('sphere_scale', self.sphere_scale)
mat.bind_uniform_data('noise_persistance', self.noise_persistance)
mat.bind_uniform_data('noise_scale', self.noise_scale)
for i in range(texture.depth):
mat.bind_uniform_data('depth', i / texture.depth)
renderer.framebuffer_manager.bind_framebuffer(texture,
target_layer=i)
renderer.postprocess.draw_elements()
renderer.restore_blend_state_prev()