src/amd/vulkan/tests/misc.cpp

/*
 * Copyright © 2025 Valve Corporation
 *
 * SPDX-License-Identifier: MIT
 */

#include "util/macros.h"
#include "helpers.h"

class misc : public radv_test {};

/**
 * This test verifies that the pipeline cache UUID is invariant when random debug options or
 * workarounds are applied. This is very important for SteamOS precompilation.
 */
TEST_F(misc, invariant_pipeline_cache_uuid)
{
   create_device();

   VkPhysicalDeviceProperties2 pdev_props_default = {
      .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
   };

   get_physical_device_properties2(&pdev_props_default);

   const uint8_t *uuid_default = pdev_props_default.properties.pipelineCacheUUID;

   destroy_device();

   add_envvar("vk_lower_terminate_to_discard", "true");
   add_envvar("radv_disable_shrink_image_store", "true");
   add_envvar("RADV_DEBUG", "cswave32");

   create_device();

   VkPhysicalDeviceProperties2 pdev_props_override = {
      .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
   };

   get_physical_device_properties2(&pdev_props_override);

   const uint8_t *uuid_override = pdev_props_override.properties.pipelineCacheUUID;

   EXPECT_TRUE(!memcmp(uuid_default, uuid_override, VK_UUID_SIZE));

   destroy_device();
}

/**
 * This test verifies that the pipeline hash returned when shader stats are captured (eg. Fossilize)
 * matches the pipeline hash returned when RGP is enabled.
 */
TEST_F(misc, pipeline_hash_rgp_fossilize)
{

   create_device();

   /*
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpSource GLSL 460
               OpName %main "main"
               OpDecorate %gl_WorkGroupSize BuiltIn WorkgroupSize
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
       %uint = OpTypeInt 32 0
     %v3uint = OpTypeVector %uint 3
     %uint_1 = OpConstant %uint 1
%gl_WorkGroupSize = OpConstantComposite %v3uint %uint_1 %uint_1 %uint_1
       %main = OpFunction %void None %3
          %5 = OpLabel
               OpReturn
               OpFunctionEnd
   */
   unsigned char code[] = {
      0x03, 0x02, 0x23, 0x07, 0x00, 0x00, 0x01, 0x00, 0x0b, 0x00, 0x08, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x11, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x00, 0x47, 0x4c,
      0x53, 0x4c, 0x2e, 0x73, 0x74, 0x64, 0x2e, 0x34, 0x35, 0x30, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
      0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00,
      0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x02, 0x00,
      0x00, 0x00, 0xcc, 0x01, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00,
      0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00,
      0x13, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x21, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
      0x00, 0x15, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0x00,
      0x04, 0x00, 0x07, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x06,
      0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x06, 0x00, 0x07, 0x00, 0x00, 0x00,
      0x09, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x36, 0x00, 0x05,
      0x00, 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xf8, 0x00,
      0x02, 0x00, 0x05, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00};

   uint64_t pipeline_hash;

   /* Create a simple compute pipeline that captures shader statistics (like Fossilize) and get the pipeline hash. */
   create_compute_pipeline(ARRAY_SIZE(code), (uint32_t *)code, VK_PIPELINE_CREATE_CAPTURE_STATISTICS_BIT_KHR);
   pipeline_hash = get_pipeline_hash(VK_SHADER_STAGE_COMPUTE_BIT);
   EXPECT_NE(pipeline_hash, 0);
   destroy_pipeline();

   destroy_device();

   /* RADV_THREAD_TRACE_CACHE_COUNTERS needs to be disabled with noop device. */
   add_envvar("RADV_THREAD_TRACE_CACHE_COUNTERS", "false");
   add_envvar("MESA_VK_TRACE", "rgp");

   create_device();

   /* Verify the pipeline hash matches. */
   create_compute_pipeline(ARRAY_SIZE(code), (uint32_t *)code);
   EXPECT_EQ(pipeline_hash, get_pipeline_hash(VK_SHADER_STAGE_COMPUTE_BIT));
   destroy_pipeline();

   destroy_device();
}