134 lines
5.0 KiB
Python
134 lines
5.0 KiB
Python
"""
|
|
|
|
RenderPipeline
|
|
|
|
Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
|
|
"""
|
|
from __future__ import division
|
|
|
|
from panda3d.core import ComputeNode, Vec4, Vec3, PTAInt, PTAFloat
|
|
|
|
from rpcore.gui.sprite import Sprite
|
|
from rpcore.gui.text import Text
|
|
|
|
from rpcore.rpobject import RPObject
|
|
from rpcore.image import Image
|
|
from rpcore.globals import Globals
|
|
from rpcore.loader import RPLoader
|
|
|
|
|
|
class FPSChart(RPObject):
|
|
|
|
""" Widget to show the FPS as a chart """
|
|
|
|
def __init__(self, pipeline, parent):
|
|
""" Inits the widget """
|
|
RPObject.__init__(self)
|
|
self._pipeline = pipeline
|
|
self._parent = parent
|
|
self._node = self._parent.attach_new_node("FPSChartNode")
|
|
self._create_components()
|
|
|
|
def _create_components(self):
|
|
""" Internal method to init the widgets components """
|
|
|
|
# Create the buffer which stores the last FPS values
|
|
self._storage_buffer = Image.create_buffer("FPSValues", 250, "R16")
|
|
self._storage_buffer.set_clear_color(Vec4(0))
|
|
self._storage_buffer.clear_image()
|
|
|
|
self._store_index = PTAInt.empty_array(1)
|
|
self._store_index[0] = 0
|
|
|
|
self._current_ftime = PTAFloat.empty_array(1)
|
|
self._current_ftime[0] = 16.0
|
|
|
|
self._chart_ms_max = PTAFloat.empty_array(1)
|
|
self._chart_ms_max[0] = 40
|
|
|
|
# Create the texture where the gui component is rendered inside
|
|
self._display_tex = Image.create_2d("FPSChartRender", 250, 120, "RGBA8")
|
|
self._display_tex.set_clear_color(Vec4(0))
|
|
self._display_tex.clear_image()
|
|
self._display_img = Sprite(
|
|
image=self._display_tex, parent=self._node, w=250, h=120, x=10, y=10)
|
|
|
|
# Defer the further loading
|
|
Globals.base.taskMgr.doMethodLater(0.3, self._late_init, "FPSChartInit")
|
|
|
|
def _late_init(self, task):
|
|
""" Gets called after the pipeline was initialized """
|
|
self._display_txt = Text(
|
|
text="40 ms", parent=self._node, x=20, y=25,
|
|
size=13, color=Vec3(1), may_change=True)
|
|
self._display_txt_bottom = Text(
|
|
text="0 ms", parent=self._node, x=20, y=120,
|
|
size=13, color=Vec3(1), may_change=True)
|
|
|
|
# Create the shader which generates the visualization texture
|
|
self._cshader_node = ComputeNode("FPSChartUpdateChart")
|
|
self._cshader_node.add_dispatch(250 // 10, 120 // 4, 1)
|
|
self._cshader_np = self._node.attach_new_node(self._cshader_node)
|
|
|
|
self._cshader = RPLoader.load_shader("/$$rp/shader/fps_chart.compute.glsl")
|
|
self._cshader_np.set_shader(self._cshader)
|
|
self._cshader_np.set_shader_inputs(
|
|
DestTex=self._display_tex,
|
|
FPSValues=self._storage_buffer,
|
|
index=self._store_index,
|
|
maxMs=self._chart_ms_max)
|
|
|
|
self._update_shader_node = ComputeNode("FPSChartUpdateValues")
|
|
self._update_shader_node.add_dispatch(1, 1, 1)
|
|
self._update_shader_np = self._node.attach_new_node(self._update_shader_node)
|
|
self._ushader = RPLoader.load_shader("/$$rp/shader/fps_chart_update.compute.glsl")
|
|
self._update_shader_np.set_shader(self._ushader)
|
|
self._update_shader_np.set_shader_inputs(
|
|
DestTex=self._storage_buffer,
|
|
index=self._store_index,
|
|
currentData=self._current_ftime)
|
|
|
|
Globals.base.addTask(self._update, "UpdateFPSChart", sort=-50)
|
|
|
|
return task.done
|
|
|
|
def _update(self, task):
|
|
""" Updates the widget """
|
|
self._store_index[0] = (self._store_index[0] + 1) % 250
|
|
self._current_ftime[0] = Globals.clock.get_dt() * 1000.0
|
|
|
|
avg_fps = Globals.clock.get_average_frame_rate()
|
|
if avg_fps > 122:
|
|
self._chart_ms_max[0] = 10.0
|
|
elif avg_fps > 62:
|
|
self._chart_ms_max[0] = 20.0
|
|
elif avg_fps > 32:
|
|
self._chart_ms_max[0] = 40.0
|
|
elif avg_fps > 15:
|
|
self._chart_ms_max[0] = 70.0
|
|
else:
|
|
self._chart_ms_max[0] = 200.0
|
|
|
|
self._display_txt.set_text(str(int(self._chart_ms_max[0])) + " ms")
|
|
|
|
return task.cont
|