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authorIago Toral Quiroga <[email protected]>2017-07-21 08:32:24 +0200
committerIago Toral Quiroga <[email protected]>2017-07-26 08:16:43 +0200
commit31f1863ace73d31a579e5c36252a957818ad09cf (patch)
tree6f180cd0b1e05b1cda45efaf9f4a1064244d9dfe /src/intel/vulkan/anv_dump.c
parenta848e693efc8e2a1d355dc1076409968b374153f (diff)
anv: only expose up to 28 vertex attributes
The EU limit of 128 GRFs should allow 32 vertex elements of 4 GRFs. However, the maximum allowed value of "Vertex URB Entry Read Length" in SIMD8 is 15. And 15 * 8 = 120 gives us a limit of 30 vertex elements. Because we also need to reserve a vertex buffer to upload VertexIndex/InstanceIndex and another to upload DrawID when needed, we can only expose 28. Cc: "17.2" <[email protected]> Reviewed-by: Lionel Landwerlin <[email protected]>
Diffstat (limited to 'src/intel/vulkan/anv_dump.c')
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