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renderdoc/util/test/tests/D3D12/D3D12_PrimitiveID.py
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2025-03-20 13:52:18 +00:00

108 lines
4.7 KiB
Python

import renderdoc as rd
from typing import List
import rdtest
class D3D12_PrimitiveID(rdtest.TestCase):
demos_test_name = 'D3D12_PrimitiveID'
def test_action(self, action: rd.ActionDescription, x, y, prim, expected_prim, expected_output):
self.controller.SetFrameEvent(action.eventId, True)
pipe: rd.PipeState = self.controller.GetPipelineState()
if not pipe.GetShaderReflection(rd.ShaderStage.Pixel).debugInfo.debuggable:
rdtest.log.print("Skipping undebuggable shader at {}.".format(action.eventId))
return
inputs = rd.DebugPixelInputs()
inputs.primitive = prim
trace: rd.ShaderDebugTrace = self.controller.DebugPixel(x, y, inputs)
cycles, variables = self.process_trace(trace)
# Find the SV_PrimitiveID variable
primInput = self.find_input_source_var(trace, rd.ShaderBuiltin.PrimitiveIndex)
if primInput is None:
# If we didn't find it, then we should be expecting a 0
if len(expected_prim) > 1 or expected_prim[0] != 0:
rdtest.log.error("Expected prim {} at {},{} did not match actual prim {}.".format(
str(expected_prim), x, y, prim))
return False
else:
# Look up the matching register in the inputs, and see if the expected value matches
inputs: List[rd.ShaderVariable] = list(trace.inputs)
primInputName = primInput.variables[0].name
if inputs[0].name.startswith('_IN') and primInputName.startswith('_IN.'):
# Walk the DXIL input structure
inputVars = inputs[0].members
# Remove the input name prefix
primInputName = primInputName[4:]
else:
inputVars = inputs
primVars = [var for var in inputVars if var.name == primInputName]
primValue = primVars[0]
if primValue.value.u32v[0] not in expected_prim:
rdtest.log.error("Expected prim {} at {},{} did not match actual prim {}.".format(
str(expected_prim), x, y, primValue.value.u32v[0]))
return False
# Compare shader debug output against an expected value instead of the RT's output,
# since we're testing overlapping primitives in a single action
if expected_output is not None:
output = self.find_output_source_var(trace, rd.ShaderBuiltin.ColorOutput, 0)
debugged = self.evaluate_source_var(output, variables)
if list(debugged.value.f32v[0:4]) != expected_output:
rdtest.log.error("Expected value {} at {},{} did not match actual {}.".format(
expected_output, x, y, debugged.value.f32v[0:4]))
return False
self.controller.FreeTrace(trace)
rdtest.log.success("Test at {},{} matched as expected".format(x, y))
return True
def check_capture(self):
if not self.controller.GetAPIProperties().shaderDebugging:
rdtest.log.success("Shader debugging not enabled, skipping test")
return
success = True
markers = ["SM5.0", "SM6.0"]
for i in range(2):
rdtest.log.begin_section(markers[i])
# Jump to the action
test_marker: rd.ActionDescription = self.find_action(markers[i])
if test_marker is None:
rdtest.log.print(f"No {markers[i]} actions to test")
return
y = 40 + i * 150
# Draw 1: No GS, PS without prim
action = test_marker.next
success &= self.test_action(action, 100, y, rd.ReplayController.NoPreference, [0], [0, 1, 0, 1])
# Draw 2: No GS, PS with prim
action = action.next
success &= self.test_action(action, 300, y, rd.ReplayController.NoPreference, [0], [0, 1, 0, 1])
# Draw 3: GS, PS without prim
y = 125 + i * 150
action = action.next
success &= self.test_action(action, 125, y, rd.ReplayController.NoPreference, [0], [0, 1, 0, 1])
# Draw 4: GS, PS with prim
action = action.next
success &= self.test_action(action, 325, y, 2, [2], [0.5, 1, 0, 1])
success &= self.test_action(action, 325, y, 3, [3], [0.75, 1, 0, 1])
# No expected output here, since it's nondeterministic which primitive gets selected
success &= self.test_action(action, 325, y, rd.ReplayController.NoPreference, [2, 3], None)
rdtest.log.end_section(markers[i])
if not success:
raise rdtest.TestFailureException("Some tests were not as expected")
rdtest.log.success("All tests matched")