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import rdtest
import struct
import renderdoc as rd
class VK_Indirect(rdtest.TestCase):
def get_capture(self):
return rdtest.run_and_capture("demos_x64", "VK_Indirect", 5)
def check_overlay(self, eventId: int, out: rd.ReplayOutput, tex: rd.TextureDisplay, save_data: rd.TextureSave):
pipe: rd.PipeState = self.controller.GetPipelineState()
# Check that the highlight draw overlay is empty
tex.resourceId = pipe.GetOutputTargets()[0].resourceId
out.SetTextureDisplay(tex)
overlay_path = rdtest.get_tmp_path(str(eventId) + '_draw.png')
ref_path = self.get_ref_path(str(eventId) + '_draw.png')
save_data.resourceId = out.GetDebugOverlayTexID()
self.controller.SaveTexture(save_data, overlay_path)
if not rdtest.image_compare(overlay_path, ref_path):
raise rdtest.TestFailureException("Reference and output image differ @ EID {}".format(str(eventId)),
ref_path, overlay_path)
def check_capture(self):
self.check_final_backbuffer()
dispatches = self.find_draw("Dispatches")
# Set up a ReplayOutput and TextureSave for quickly testing the drawcall highlight overlay
out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(),
rd.ReplayOutputType.Texture)
self.check(out is not None)
out.SetDimensions(100, 100)
tex = rd.TextureDisplay()
tex.overlay = rd.DebugOverlay.Drawcall
save_data = rd.TextureSave()
save_data.destType = rd.FileType.PNG
# Rewind to the start of the capture
draw: rd.DrawcallDescription = dispatches.children[0]
while draw.previous is not None:
draw = draw.previous
# Ensure we can select all draws
while draw is not None:
self.controller.SetFrameEvent(draw.eventId, False)
draw = draw.next
rdtest.log.success("Selected all draws")
self.check(dispatches and len(dispatches.children) == 3)
self.check(dispatches.children[0].dispatchDimension == [0,0,0])
self.check(dispatches.children[1].dispatchDimension == [1,1,1])
self.check(dispatches.children[2].dispatchDimension == [3,4,5])
rdtest.log.success("Indirect dispatches are the correct dimensions")
self.controller.SetFrameEvent(dispatches.children[2].eventId, False)
pipe: rd.PipeState = self.controller.GetPipelineState()
ssbo: rd.BoundResource = pipe.GetReadWriteResources(rd.ShaderStage.Compute)[0].resources[0]
data: bytes = self.controller.GetBufferData(ssbo.resourceId, 0, 0)
rdtest.log.print("Got {} bytes of uints".format(len(data)))
uints = [struct.unpack_from('=4L', data, offs) for offs in range(0, len(data), 16)]
for x in range(0, 6): # 3 groups of 2 threads each
for y in range(0, 8): # 3 groups of 2 threads each
for z in range(0, 5): # 5 groups of 1 thread each
idx = 100 + z*8*6 + y*6 + x
rdtest.value_compare(uints[idx], [x, y, z, 12345])
rdtest.log.success("Dispatched buffer contents are as expected")
empties = self.find_draw("Empty draws")
self.check(empties and len(empties.children) == 2)
draw: rd.DrawcallDescription
for draw in empties.children:
self.check(draw.numIndices == 0)
self.check(draw.numInstances == 0)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have empty PostVS
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut, 0, 1)
self.check(len(postvs_data) == 0)
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("Empty draws are empty")
indirects = self.find_draw("Indirect draws")
self.check('vkCmdDrawIndirect' in indirects.children[0].name)
self.check('vkCmdDrawIndexedIndirect' in indirects.children[1].name)
self.check(len(indirects.children[1].children) == 2)
rdtest.log.success("Correct number of indirect draws")
# vkCmdDrawIndirect(...)
draw = indirects.children[0]
self.check(draw.numIndices == 3)
self.check(draw.numInstances == 2)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have PostVS as expected
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
postvs_ref = {
0: {'vtx': 0, 'idx': 0, 'gl_PerVertex.gl_Position': [-0.8, -0.5, 0.0, 1.0]},
1: {'vtx': 1, 'idx': 1, 'gl_PerVertex.gl_Position': [-0.7, -0.8, 0.0, 1.0]},
2: {'vtx': 2, 'idx': 2, 'gl_PerVertex.gl_Position': [-0.6, -0.5, 0.0, 1.0]},
}
self.check_mesh_data(postvs_ref, postvs_data)
self.check(len(postvs_data) == len(postvs_ref)) # We shouldn't have any extra vertices
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
# vkCmdDrawIndexedIndirect[0](...)
draw = indirects.children[1].children[0]
self.check(draw.numIndices == 3)
self.check(draw.numInstances == 3)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have PostVS as expected
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
# These indices are the *output* indices, which have been rebased/remapped, so are not the same as the input
# indices
postvs_ref = {
0: {'vtx': 0, 'idx': 0, 'gl_PerVertex.gl_Position': [-0.6, -0.5, 0.0, 1.0]},
1: {'vtx': 1, 'idx': 1, 'gl_PerVertex.gl_Position': [-0.5, -0.8, 0.0, 1.0]},
2: {'vtx': 2, 'idx': 2, 'gl_PerVertex.gl_Position': [-0.4, -0.5, 0.0, 1.0]},
}
self.check_mesh_data(postvs_ref, postvs_data)
self.check(len(postvs_data) == len(postvs_ref)) # We shouldn't have any extra vertices
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
# vkCmdDrawIndexedIndirect[1](...)
draw = indirects.children[1].children[1]
self.check(draw.numIndices == 6)
self.check(draw.numInstances == 2)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have PostVS as expected
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
postvs_ref = {
0: {'vtx': 0, 'idx': 0, 'gl_PerVertex.gl_Position': [-0.4, -0.5, 0.0, 1.0]},
1: {'vtx': 1, 'idx': 1, 'gl_PerVertex.gl_Position': [-0.3, -0.8, 0.0, 1.0]},
2: {'vtx': 2, 'idx': 2, 'gl_PerVertex.gl_Position': [-0.2, -0.8, 0.0, 1.0]},
3: {'vtx': 3, 'idx': 3, 'gl_PerVertex.gl_Position': [-0.1, -0.5, 0.0, 1.0]},
4: {'vtx': 4, 'idx': 4, 'gl_PerVertex.gl_Position': [ 0.0, -0.8, 0.0, 1.0]},
5: {'vtx': 5, 'idx': 5, 'gl_PerVertex.gl_Position': [ 0.1, -0.8, 0.0, 1.0]},
}
self.check_mesh_data(postvs_ref, postvs_data)
self.check(len(postvs_data) == len(postvs_ref)) # We shouldn't have any extra vertices
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
indirect_count_root = self.find_draw("KHR_draw_indirect_count")
if indirect_count_root is not None:
self.check(indirect_count_root.children[0].name == 'Empty count draws')
self.check(indirect_count_root.children[1].name == 'Indirect count draws')
empties = indirect_count_root.children[0]
self.check(empties and len(empties.children) == 2)
draw: rd.DrawcallDescription
for draw in empties.children:
self.check(draw.numIndices == 0)
self.check(draw.numInstances == 0)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have empty PostVS
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut, 0, 1)
self.check(len(postvs_data) == 0)
self.check_overlay(draw.eventId, out, tex, save_data)
# vkCmdDrawIndirectCountKHR
draw_indirect = indirect_count_root.children[1].children[0]
self.check(draw_indirect and len(draw_indirect.children) == 1)
# vkCmdDrawIndirectCountKHR[0]
draw = draw_indirect.children[0]
self.check(draw.numIndices == 3)
self.check(draw.numInstances == 4)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have PostVS as expected
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
# These indices are the *output* indices, which have been rebased/remapped, so are not the same as the input
# indices
postvs_ref = {
0: {'vtx': 0, 'idx': 0, 'gl_PerVertex.gl_Position': [-0.8, 0.5, 0.0, 1.0]},
1: {'vtx': 1, 'idx': 1, 'gl_PerVertex.gl_Position': [-0.7, 0.2, 0.0, 1.0]},
2: {'vtx': 2, 'idx': 2, 'gl_PerVertex.gl_Position': [-0.6, 0.5, 0.0, 1.0]},
}
self.check_mesh_data(postvs_ref, postvs_data)
self.check(len(postvs_data) == len(postvs_ref)) # We shouldn't have any extra vertices
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
# vkCmdDrawIndexedIndirectCountKHR
draw_indirect = indirect_count_root.children[1].children[1]
self.check(draw_indirect and len(draw_indirect.children) == 3)
# vkCmdDrawIndirectCountKHR[0]
draw = draw_indirect.children[0]
self.check(draw.numIndices == 3)
self.check(draw.numInstances == 1)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have PostVS as expected
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
# These indices are the *output* indices, which have been rebased/remapped, so are not the same as the input
# indices
postvs_ref = {
0: {'vtx': 0, 'idx': 0, 'gl_PerVertex.gl_Position': [-0.6, 0.5, 0.0, 1.0]},
1: {'vtx': 1, 'idx': 1, 'gl_PerVertex.gl_Position': [-0.5, 0.2, 0.0, 1.0]},
2: {'vtx': 2, 'idx': 2, 'gl_PerVertex.gl_Position': [-0.4, 0.5, 0.0, 1.0]},
}
self.check_mesh_data(postvs_ref, postvs_data)
self.check(len(postvs_data) == len(postvs_ref)) # We shouldn't have any extra vertices
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
# vkCmdDrawIndirectCountKHR[1]
draw = draw_indirect.children[1]
self.check(draw.numIndices == 0)
self.check(draw.numInstances == 0)
self.controller.SetFrameEvent(draw.eventId, False)
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
self.check(len(postvs_data) == 0)
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
# vkCmdDrawIndirectCountKHR[2]
draw = draw_indirect.children[2]
self.check(draw.numIndices == 6)
self.check(draw.numInstances == 2)
self.controller.SetFrameEvent(draw.eventId, False)
# Check that we have PostVS as expected
postvs_data = self.get_postvs(rd.MeshDataStage.VSOut)
# These indices are the *output* indices, which have been rebased/remapped, so are not the same as the input
# indices
postvs_ref = {
0: {'vtx': 0, 'idx': 0, 'gl_PerVertex.gl_Position': [-0.4, 0.5, 0.0, 1.0]},
1: {'vtx': 1, 'idx': 1, 'gl_PerVertex.gl_Position': [-0.3, 0.2, 0.0, 1.0]},
2: {'vtx': 2, 'idx': 2, 'gl_PerVertex.gl_Position': [-0.2, 0.2, 0.0, 1.0]},
3: {'vtx': 3, 'idx': 3, 'gl_PerVertex.gl_Position': [-0.1, 0.5, 0.0, 1.0]},
4: {'vtx': 4, 'idx': 4, 'gl_PerVertex.gl_Position': [ 0.0, 0.2, 0.0, 1.0]},
5: {'vtx': 5, 'idx': 5, 'gl_PerVertex.gl_Position': [ 0.1, 0.2, 0.0, 1.0]},
}
self.check_mesh_data(postvs_ref, postvs_data)
self.check(len(postvs_data) == len(postvs_ref)) # We shouldn't have any extra vertices
self.check_overlay(draw.eventId, out, tex, save_data)
rdtest.log.success("{} is as expected".format(draw.name))
else:
rdtest.log.print("KHR_draw_indirect_count not tested")
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