vkd3d: Use vk_prepend_struct for PSO pNext.

Signed-off-by: Hans-Kristian Arntzen <[email protected]>

libs/vkd3d/state.c

@@ -5311,7 +5311,6 @@ static VkResult d3d12_pipeline_state_link_pipeline_variant(struct d3d12_pipeline
 
     memset(&create_info, 0, sizeof(create_info));
     create_info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
-    create_info.pNext = &library_info;
     create_info.flags = graphics->library_create_flags;
     create_info.layout = graphics->pipeline_layout;
     create_info.basePipelineIndex = -1;
@@ -5325,6 +5324,8 @@ static VkResult d3d12_pipeline_state_link_pipeline_variant(struct d3d12_pipeline
     if (!key)
         create_info.flags |= VK_PIPELINE_CREATE_LINK_TIME_OPTIMIZATION_BIT_EXT;
 
+    vk_prepend_struct(&create_info, &library_info);
+
     vr = VK_CALL(vkCreateGraphicsPipelines(state->device->vk_device,
             vk_cache, 1, &create_info, NULL, vk_pipeline));
 
@@ -5404,7 +5405,7 @@ VkPipeline d3d12_pipeline_state_create_pipeline_variant(struct d3d12_pipeline_st
 
     memset(&pipeline_desc, 0, sizeof(pipeline_desc));
     pipeline_desc.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
-    pipeline_desc.pNext = &fragment_output_desc.rt_info;
+    vk_prepend_struct(&pipeline_desc, &fragment_output_desc.rt_info);
     pipeline_desc.stageCount = graphics->stage_count;
     pipeline_desc.pStages = graphics->stages;
     pipeline_desc.pViewportState = &vp_desc;
@@ -5437,15 +5438,13 @@ VkPipeline d3d12_pipeline_state_create_pipeline_variant(struct d3d12_pipeline_st
         TRACE("Compiling pipeline library for %p with flags %#x.\n", state, library_flags);
 
         library_create_info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_LIBRARY_CREATE_INFO_EXT;
-        /* Explicit cast to silence a constness warning, this seems to be a Vulkan header bug */
-        library_create_info.pNext = (void*)pipeline_desc.pNext;
         library_create_info.flags = library_flags;
 
-        pipeline_desc.pNext = &library_create_info;
         pipeline_desc.flags |= VK_PIPELINE_CREATE_LIBRARY_BIT_KHR |
                 VK_PIPELINE_CREATE_RETAIN_LINK_TIME_OPTIMIZATION_INFO_BIT_EXT;
 
         graphics->library_flags = library_flags;
+        vk_prepend_struct(&pipeline_desc, &library_create_info);
     }
 
     /* A workaround for SottR, which creates pipelines with DSV_UNKNOWN, but still insists on using a depth buffer.
@@ -5504,11 +5503,11 @@ VkPipeline d3d12_pipeline_state_create_pipeline_variant(struct d3d12_pipeline_st
     if (vkd3d_config_flags & VKD3D_CONFIG_FLAG_PIPELINE_LIBRARY_LOG)
     {
         feedback_info.sType = VK_STRUCTURE_TYPE_PIPELINE_CREATION_FEEDBACK_CREATE_INFO_EXT;
-        feedback_info.pNext = pipeline_desc.pNext;
         feedback_info.pPipelineStageCreationFeedbacks = feedbacks;
         feedback_info.pipelineStageCreationFeedbackCount = pipeline_desc.stageCount;
         feedback_info.pPipelineCreationFeedback = &feedback;
-        pipeline_desc.pNext = &feedback_info;
+
+        vk_prepend_struct(&pipeline_desc, &feedback_info);
     }
     else
         feedback_info.pipelineStageCreationFeedbackCount = 0;