radv: advertise VK_KHR_fragment_shader_barycentric on GFX10.3+

It can't be supported on older hardware because it's impossible to
determine the provoking vertex ID without LOAD_PROVOKING_VTX which is
GFX10.3+ only.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6557
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16742>

docs/features.txt

@@ -512,6 +512,7 @@ Khronos extensions that are not part of any Vulkan version:
   VK_KHR_external_memory_win32                          DONE (dzn)
   VK_KHR_external_semaphore_fd                          DONE (anv, dzn, radv, tu, v3dv, vn)
   VK_KHR_external_semaphore_win32                       DONE (dzn)
+  VK_KHR_fragment_shader_barycentric                    DONE (radv/gfx10.3+)
   VK_KHR_fragment_shading_rate                          DONE (anv/gen11+, radv/gfx10.3+)
   VK_KHR_get_display_properties2                        DONE (anv, radv, tu, v3dv)
   VK_KHR_get_surface_capabilities2                      DONE (anv, lvp, radv, tu, v3dv, vn)

docs/relnotes/new_features.txt

@@ -4,3 +4,4 @@ VK_EXT_dynamic_rendering_unused_attachments on RADV
 VK_EXT_mesh_shader on lavapipe
 OpenGL 3.1 on Asahi
 OpenGL ES 3.0 on Asahi
+VK_KHR_fragment_shader_barycentric on RADV/GFX10.3+

src/amd/ci/external/radv-gfx1100-aco-fails.txt

@@ -1 +1,6 @@
-
+# Test bug https://gitlab.khronos.org/Tracker/vk-gl-cts/-/issues/4498
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_fan.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_list.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_list_with_adjacency.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_strip.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_strip_with_adjacency.perspective,Fail

src/amd/ci/radv-navi21-aco-fails.txt

@@ -2,3 +2,10 @@
 dEQP-VK.pipeline.fast_linked_library.extended_dynamic_state.before_draw.line_stipple_enable,Fail
 
 dEQP-VK.subgroups.builtin_var.ray_tracing.subgroupsize,Fail
+
+# Test bug https://gitlab.khronos.org/Tracker/vk-gl-cts/-/issues/4498
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_fan.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_list.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_list_with_adjacency.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_strip.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_strip_with_adjacency.perspective,Fail

src/amd/ci/radv-vangogh-aco-fails.txt

@@ -4,3 +4,10 @@ dEQP-VK.binding_model.ics_miss_buffers8_sets1,Crash
 dEQP-VK.draw.dynamic_rendering.primary_cmd_buff.linear_interpolation.no_offset_2_samples,Fail
 
 dEQP-VK.subgroups.builtin_var.ray_tracing.subgroupsize,Fail
+
+# Test bug https://gitlab.khronos.org/Tracker/vk-gl-cts/-/issues/4498
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_fan.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_list.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_list_with_adjacency.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_strip.perspective,Fail
+dEQP-VK.fragment_shading_barycentric.weights.pipeline_topology_dynamic.msaa_interpolate_at_offset.triangle_strip_with_adjacency.perspective,Fail

src/amd/vulkan/radv_physical_device.c

@@ -416,6 +416,7 @@ radv_physical_device_get_supported_extensions(const struct radv_physical_device
       .KHR_external_semaphore = true,
       .KHR_external_semaphore_fd = true,
       .KHR_format_feature_flags2 = true,
+      .KHR_fragment_shader_barycentric = device->rad_info.gfx_level >= GFX10_3,
       .KHR_fragment_shading_rate = device->rad_info.gfx_level >= GFX10_3,
       .KHR_get_memory_requirements2 = true,
       .KHR_global_priority = true,
@@ -1034,6 +1035,9 @@ radv_physical_device_get_features(const struct radv_physical_device *pdevice,
 
       /* VK_EXT_dynamic_rendering_unused_attachments */
       .dynamicRenderingUnusedAttachments = true,
+
+      /* VK_KHR_fragment_shader_barycentric */
+      .fragmentShaderBarycentric = true,
    };
 }
 
@@ -1853,6 +1857,12 @@ radv_GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice,
          properties->descriptorBufferAddressSpaceSize = RADV_MAX_MEMORY_ALLOCATION_SIZE;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADER_BARYCENTRIC_PROPERTIES_KHR: {
+         VkPhysicalDeviceFragmentShaderBarycentricPropertiesKHR *properties =
+            (VkPhysicalDeviceFragmentShaderBarycentricPropertiesKHR *)ext;
+         properties->triStripVertexOrderIndependentOfProvokingVertex = false;
+         break;
+      }
       default:
          break;
       }

src/amd/vulkan/radv_shader.c

@@ -402,6 +402,7 @@ radv_shader_spirv_to_nir(struct radv_device *device, const struct radv_pipeline_
                .float32_atomic_min_max = true,
                .float64 = true,
                .float64_atomic_min_max = true,
+               .fragment_barycentric = true,
                .fragment_fully_covered = true,
                .geometry_streams = true,
                .groups = true,