nvk: Advertise VK_KHR_fragment_shading_rate

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31585>

docs/features.txt

@@ -523,7 +523,7 @@ Khronos extensions that are not part of any Vulkan version:
   VK_KHR_external_semaphore_fd                          DONE (anv, dzn, hasvk, nvk, pvr, radv, tu, v3dv, vn)
   VK_KHR_external_semaphore_win32                       DONE (dzn)
   VK_KHR_fragment_shader_barycentric                    DONE (nvk/Turing+, radv/gfx10.3+)
-  VK_KHR_fragment_shading_rate                          DONE (anv/gen11+, radv/gfx10.3+, vn)
+  VK_KHR_fragment_shading_rate                          DONE (anv/gen11+, nvk/Turing+, radv/gfx10.3+, vn)
   VK_KHR_get_display_properties2                        DONE (anv, nvk, pvr, radv, tu, v3dv)
   VK_KHR_get_surface_capabilities2                      DONE (anv, lvp, nvk, pvr, radv, tu, v3dv, vn)
   VK_KHR_global_priority                                DONE (anv, radv, tu)

docs/relnotes/new_features.txt

@@ -23,3 +23,4 @@ VK_EXT_depth_clamp_control on anv, hasvk, nvk, radv
 VK_KHR_shader_quad_control on nvk
 GL_EXT_draw_buffers2 on etnaviv/HALTI5+
 GL_ARB_draw_buffers_blend on etnaviv/HALTI5+
+VK_KHR_fragment_shading_rate on NVK

src/nouveau/vulkan/nvk_image.c

@@ -85,6 +85,9 @@ nvk_get_image_plane_format_features(struct nvk_physical_device *pdev,
        p_format == PIPE_FORMAT_R64_UINT || p_format == PIPE_FORMAT_R64_SINT)
       features |= VK_FORMAT_FEATURE_2_STORAGE_IMAGE_ATOMIC_BIT;
 
+   if (p_format == PIPE_FORMAT_R8_UINT && tiling == VK_IMAGE_TILING_OPTIMAL)
+      features |= VK_FORMAT_FEATURE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR;
+
    if (features != 0) {
       features |= VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT;
       features |= VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT;
@@ -273,6 +276,8 @@ vk_image_usage_to_format_features(VkImageUsageFlagBits usage_flag)
    case VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT:
       return VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT |
              VK_FORMAT_FEATURE_2_DEPTH_STENCIL_ATTACHMENT_BIT;
+   case VK_IMAGE_USAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR:
+      return VK_FORMAT_FEATURE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR;
    default:
       return 0;
    }

src/nouveau/vulkan/nvk_physical_device.c

@@ -45,6 +45,7 @@
 #include "clc3c0.h"
 #include "clc597.h"
 #include "clc5c0.h"
+#include "clc797.h"
 #include "clc997.h"
 
 static bool
@@ -108,6 +109,7 @@ nvk_get_device_extensions(const struct nvk_instance *instance,
       .KHR_format_feature_flags2 = true,
       .KHR_fragment_shader_barycentric = info->cls_eng3d >= TURING_A &&
          (nvk_nak_stages(info) & VK_SHADER_STAGE_FRAGMENT_BIT) != 0,
+      .KHR_fragment_shading_rate = info->cls_eng3d >= TURING_A,
       .KHR_get_memory_requirements2 = true,
       .KHR_image_format_list = true,
       .KHR_imageless_framebuffer = true,
@@ -421,6 +423,11 @@ nvk_get_device_features(const struct nv_device_info *info,
       .fragmentShaderBarycentric = info->cls_eng3d >= TURING_A &&
          (nvk_nak_stages(info) & VK_SHADER_STAGE_FRAGMENT_BIT) != 0,
 
+      /* VK_KHR_fragment_shading_rate */
+      .pipelineFragmentShadingRate = info->cls_eng3d >= TURING_A,
+      .primitiveFragmentShadingRate = info->cls_eng3d >= TURING_A,
+      .attachmentFragmentShadingRate = info->cls_eng3d >= TURING_A,
+
       /* VK_KHR_index_type_uint8 */
       .indexTypeUint8 = true,
 
@@ -1100,6 +1107,25 @@ nvk_get_device_properties(const struct nvk_instance *instance,
       /* VK_KHR_fragment_shader_barycentric */
       .triStripVertexOrderIndependentOfProvokingVertex = false,
 
+      /* VK_KHR_fragment_shading_rate */
+      .minFragmentShadingRateAttachmentTexelSize = { 16, 16 },
+      .maxFragmentShadingRateAttachmentTexelSize = { 16, 16 },
+      .maxFragmentShadingRateAttachmentTexelSizeAspectRatio = 1,
+      .primitiveFragmentShadingRateWithMultipleViewports = info->cls_eng3d >= AMPERE_B,
+      .layeredShadingRateAttachments = true,
+      .fragmentShadingRateNonTrivialCombinerOps = true,
+      .maxFragmentSize = { 4, 4 },
+      .maxFragmentSizeAspectRatio = 2,
+      .maxFragmentShadingRateCoverageSamples = 16,
+      .maxFragmentShadingRateRasterizationSamples = 16,
+      .fragmentShadingRateWithShaderDepthStencilWrites = true,
+      .fragmentShadingRateWithSampleMask = true,
+      .fragmentShadingRateWithShaderSampleMask = true,
+      .fragmentShadingRateWithConservativeRasterization = true,
+      //.fragmentShadingRateWithFragmentShaderInterlock = true,
+      .fragmentShadingRateWithCustomSampleLocations = true,
+      .fragmentShadingRateStrictMultiplyCombiner = true,
+
       /* VK_NV_shader_sm_builtins */
       .shaderSMCount = (uint32_t)info->tpc_count * info->mp_per_tpc,
       .shaderWarpsPerSM = info->max_warps_per_mp,