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Handle vertexOffset properly in mesh decode example. Closes #1852

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baldurk
2020-04-28 16:12:11 +01:00
parent 7c265efe2e
commit 63c1ecd89c
2 changed files with 4 additions and 4 deletions
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docs/python_api/examples/renderdoc/decode_mesh.py
+2 -2
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@@ -99,7 +99,7 @@ def getMeshInputs(controller, draw):
meshInput.indexResourceId = rd.ResourceId.Null()
# The total offset is the attribute offset from the base of the vertex
meshInput.vertexByteOffset = attr.byteOffset + vbs[attr.vertexBuffer].byteOffset
meshInput.vertexByteOffset = attr.byteOffset + vbs[attr.vertexBuffer].byteOffset + draw.vertexOffset * vbs[attr.vertexBuffer].byteStride
meshInput.format = attr.format
meshInput.vertexResourceId = vbs[attr.vertexBuffer].resourceId
meshInput.vertexByteStride = vbs[attr.vertexBuffer].byteStride
@@ -192,7 +192,7 @@ def getIndices(controller, mesh):
return [i + mesh.baseVertex for i in indices]
else:
# With no index buffer, just generate a range
return tuple(range(vertexOffset, vertexOffset+mesh.numIndices))
return tuple(range(mesh.numIndices))
def printMeshData(controller, meshData):
indices = getIndices(controller, meshData[0])
docs/python_api/examples/renderdoc/decode_mesh.rst
+2 -2
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@@ -40,7 +40,7 @@ In the object we pass both the indices (which does not vary per attribute in our
meshInput.indexResourceId = rd.ResourceId.Null()
# The total offset is the attribute offset from the base of the vertex
meshInput.vertexByteOffset = attr.byteOffset + vbs[attr.vertexBuffer].byteOffset
meshInput.vertexByteOffset = attr.byteOffset + vbs[attr.vertexBuffer].byteOffset + draw.vertexOffset * vbs[attr.vertexBuffer].byteStride
meshInput.format = attr.format
meshInput.vertexResourceId = vbs[attr.vertexBuffer].resourceId
meshInput.vertexByteStride = vbs[attr.vertexBuffer].byteStride
@@ -77,7 +77,7 @@ Next we fetch the index data using :py:meth:`~renderdoc.ReplayController.GetBuff
return [i + mesh.baseVertex for i in indices]
else:
# With no index buffer, just generate a range
return tuple(range(vertexOffset, vertexOffset+mesh.numIndices))
return tuple(range(mesh.numIndices))
To begin with, we define a helper that will read a given variable out of a ``bytes`` object, using a :py:class:`~renderdoc.ResourceFormat` do define the size and format of the data.