本文整理汇总了Python中Graphics.compareDepthBuffers方法的典型用法代码示例。如果您正苦于以下问题：Python Graphics.compareDepthBuffers方法的具体用法？Python Graphics.compareDepthBuffers怎么用？Python Graphics.compareDepthBuffers使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Graphics的用法示例。
在下文中一共展示了Graphics.compareDepthBuffers方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: calculateStatistics
# 需要导入模块: import Graphics [as 别名]
# 或者: from Graphics import compareDepthBuffers [as 别名]
def calculateStatistics(project, trace):
"""
Calculate derived OpenGL ES statistics instrumentation sensor data and trace events.
"""
if not "code" in project.targets:
raise ValueError("No code information in project file")
task = Task.startTask("gles-stats", "Calculating OpenGL ES statistics", len(trace.events))
library = project.targets["code"].library
constants = Collections.DictProxy(library.constants)
# Create the derived sensors
trace.sensors["average_triangle_size"] = Trace.InstrumentationSensor("Average triangle size", isAverage = True)
trace.sensors["texel_fetches_per_pixel"] = Trace.InstrumentationSensor("Texel fetches per pixel", isAverage = True)
trace.sensors["texel_uploads"] = Trace.InstrumentationSensor("Texel uploads")
trace.sensors["vertices_in"] = Trace.InstrumentationSensor("Vertices in")
trace.sensors["triangles_in"] = Trace.InstrumentationSensor("Triangles in")
trace.sensors["render_calls"] = Trace.InstrumentationSensor("Rendering calls")
trace.sensors["rasterizer_discarded_pixels"] = Trace.InstrumentationSensor("Rasterizer discarded pixels")
trace.sensors["draw_ratio"] = Trace.InstrumentationSensor("Draw ratio")
prevRenderEvent = None
depthMask = 1
for event in trace.events:
task.step()
func = library.functions[event.name]
if func.isRenderCall:
event.sensorData["render_calls"] = 1
if func.isRenderCall and "count" in event.values and "mode" in event.values:
m = event.values["mode"]
if m == constants.GL_TRIANGLES:
event.sensorData["triangles_in"] = int(event.values["count"] / 3)
elif m == constants.GL_TRIANGLE_STRIP:
event.sensorData["triangles_in"] = int(event.values["count"] - 2)
elif m == constants.GL_TRIANGLE_FAN:
event.sensorData["triangles_in"] = int(event.values["count"] - 2)
elif m == constants.GL_POINTS:
event.sensorData["triangles_in"] = int(event.values["count"] * 2)
elif m == constants.GL_LINES:
event.sensorData["triangles_in"] = int(event.values["count"])
elif m == constants.GL_LINE_STRIP:
event.sensorData["triangles_in"] = int(event.values["count"] * 2)
elif m == constants.GL_LINE_LOOP:
event.sensorData["triangles_in"] = int(event.values["count"] * 2 + 2)
fragments = event.sensorData.get("rasterizer_pixels", 0)
triangles = event.sensorData.get("triangles_in", 0)
texFetches = event.sensorData.get("rasterizer_texel_fetches", 0)
if triangles and fragments:
event.sensorData["average_triangle_size"] = fragments / float(triangles)
if fragments and texFetches:
event.sensorData["texel_fetches_per_pixel"] = fragments / float(texFetches)
if event.name in ["glTexImage2D", "glTexSubImage2D"]:
event.sensorData["texel_uploads"] = int(event.values["width"] * event.values["height"])
if func.isRenderCall and "count" in event.values:
event.sensorData["vertices_in"] = int(event.values["count"])
if event.name == "glDepthMask":
depthMask = event.values["flag"]
# If we have the depth buffers for this event and the previous draw event, see how many pixels
# actually changed and use that value to estimate overdraw
if func.isRenderCall and not "rasterizer_discarded_pixels" in event.sensorData:
if depthMask and prevRenderEvent and "depth_stride" in event.sensorData and "depth_mask" in event.sensorData:
f1 = player.Instrumentation.getBufferFileName(prevRenderEvent, "depth")
f2 = player.Instrumentation.getBufferFileName(event, "depth")
if f1 and f2:
diff = Graphics.compareDepthBuffers(f1, f2, event.sensorData["depth_stride"], event.sensorData["depth_mask"])
event.sensorData["rasterizer_discarded_pixels"] = fragments - diff
prevRenderEvent = event
discFragments = event.sensorData.get("rasterizer_discarded_pixels", 0)
width = event.sensorData.get("render_surface_width", 0)
height = event.sensorData.get("render_surface_height", 0)
if fragments and width and height:
event.sensorData["draw_ratio"] = (fragments - discFragments) / float(width * height)