anv: Enable clip and cull distance support.

Everything is now in place, and we appear to pass the tests on Gen7+.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/intel/vulkan/TODO

@@ -4,7 +4,6 @@ Intel Vulkan ToDo
 Missing Features:
  - FP64
  - Tessellation
- - Cull and Clip Distance
  - Image Gather Extended
  - Storage Image Without Format
  - Investigate CTS failures on HSW

src/intel/vulkan/anv_device.c

@@ -439,8 +439,8 @@ void anv_GetPhysicalDeviceFeatures(
       .shaderStorageImageArrayDynamicIndexing   = true,
       .shaderStorageImageReadWithoutFormat      = false,
       .shaderStorageImageWriteWithoutFormat     = true,
-      .shaderClipDistance                       = false,
-      .shaderCullDistance                       = false,
+      .shaderClipDistance                       = true,
+      .shaderCullDistance                       = true,
       .shaderFloat64                            = false,
       .shaderInt64                              = false,
       .shaderInt16                              = false,
@@ -576,9 +576,9 @@ void anv_GetPhysicalDeviceProperties(
       .maxSampleMaskWords                       = 1,
       .timestampComputeAndGraphics              = false,
       .timestampPeriod                          = time_stamp_base,
-      .maxClipDistances                         = 0 /* FIXME */,
-      .maxCullDistances                         = 0 /* FIXME */,
-      .maxCombinedClipAndCullDistances          = 0 /* FIXME */,
+      .maxClipDistances                         = 8,
+      .maxCullDistances                         = 8,
+      .maxCombinedClipAndCullDistances          = 8,
       .discreteQueuePriorities                  = 1,
       .pointSizeRange                           = { 0.125, 255.875 },
       .lineWidthRange                           = { 0.0, 7.9921875 },