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On one side, when emitting 3DSTATE_SF, VertexSubPixelPrecisionSelect is used to select between 8 bit subpixel precision (value 0) or 4 bit subpixel precision (value 1). As this value is not set, means it is taking the value 0, so 8 bit are used. On the other side, in the Vulkan CTS tests, if the reference rasterizer, which uses 8 bit precision, as it is used to check what should be the expected value for the tests, is changed to use 4 bit as ANV was advertising so far, some of the tests will fail. So it seems ANV is actually using 8 bits. v2: explicitly set 3DSTATE_SF::VertexSubPixelPrecisionSelect (Jason) v3: use _8Bit definition as value (Jason) v4: (by Jason) anv: Explicitly set 3DSTATE_CLIP::VertexSubPixelPrecisionSelect This field was added on gen8 even though there's an identically defined one in 3DSTATE_SF. CC: Jason Ekstrand <jason@jlekstrand.net> CC: Kenneth Graunke <kenneth@whitecape.org> CC: 18.3 19.0 <mesa-stable@lists.freedesktop.org> Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> |
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| blorp | ||
| common | ||
| compiler | ||
| dev | ||
| genxml | ||
| isl | ||
| tools | ||
| vulkan | ||
| Android.blorp.mk | ||
| Android.common.mk | ||
| Android.compiler.mk | ||
| Android.dev.mk | ||
| Android.genxml.mk | ||
| Android.isl.mk | ||
| Android.mk | ||
| Android.vulkan.mk | ||
| Makefile.am | ||
| Makefile.blorp.am | ||
| Makefile.common.am | ||
| Makefile.compiler.am | ||
| Makefile.dev.am | ||
| Makefile.genxml.am | ||
| Makefile.isl.am | ||
| Makefile.sources | ||
| Makefile.tools.am | ||
| Makefile.vulkan.am | ||
| meson.build | ||