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Fix PostVS alignment calculation in test mesh fetch

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baldurk
2019-05-24 13:31:24 +01:00
parent 8d12dfc3e3
commit f6a2bd345c
1 changed files with 13 additions and 5 deletions
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util/test/rdtest/analyse.py
+13 -5
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@@ -124,16 +124,24 @@ def get_postvs_attrs(controller: rd.ReplayController, mesh: rd.MeshFormat, data_
accum_offset = 0
for i in range(0, len(attrs)):
attrs[i].mesh.vertexByteOffset = accum_offset
# Note that some APIs such as Vulkan will pad the size of the attribute here
# while others will tightly pack
fmt = attrs[i].mesh.format
accum_offset += (8 if fmt.compType == rd.CompType.Double else 4) * fmt.compCount
elem_size = (8 if fmt.compType == rd.CompType.Double else 4)
if pipe.HasAlignedPostVSData(data_stage) and (accum_offset % 16) != 0:
accum_offset += 16 - (accum_offset % 16)
alignment = elem_size
if fmt.compCount == 2:
alignment = elem_size * 2
elif fmt.compCount > 2:
alignment = elem_size * 4
if pipe.HasAlignedPostVSData(data_stage) and (accum_offset % alignment) != 0:
accum_offset += alignment - (accum_offset % alignment)
attrs[i].mesh.vertexByteOffset = accum_offset
accum_offset += elem_size * fmt.compCount
return attrs