From 4a13f9eecd49735591613a17c4bfb2d691fbeddc Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 21 Nov 2021 00:57:04 -0500
Subject: blit_image: Refactor ConvertPipeline functions

---
 src/video_core/renderer_vulkan/blit_image.cpp | 42 +++++++++------------------
 src/video_core/renderer_vulkan/blit_image.h   |  2 ++
 2 files changed, 15 insertions(+), 29 deletions(-)

diff --git a/src/video_core/renderer_vulkan/blit_image.cpp b/src/video_core/renderer_vulkan/blit_image.cpp
index 821270236..3b652f21b 100644
--- a/src/video_core/renderer_vulkan/blit_image.cpp
+++ b/src/video_core/renderer_vulkan/blit_image.cpp
@@ -695,11 +695,14 @@ VkPipeline BlitImageHelper::FindOrEmplaceDepthStencilPipeline(const BlitImagePip
     return *blit_depth_stencil_pipelines.back();
 }
 
-void BlitImageHelper::ConvertDepthToColorPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass) {
+void BlitImageHelper::ConvertPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass,
+                                      bool is_target_depth) {
     if (pipeline) {
         return;
     }
-    const std::array stages = MakeStages(*full_screen_vert, *convert_depth_to_float_frag);
+    VkShaderModule frag_shader =
+        is_target_depth ? *convert_float_to_depth_frag : *convert_depth_to_float_frag;
+    const std::array stages = MakeStages(*full_screen_vert, frag_shader);
     pipeline = device.GetLogical().CreateGraphicsPipeline({
         .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
         .pNext = nullptr,
@@ -712,8 +715,9 @@ void BlitImageHelper::ConvertDepthToColorPipeline(vk::Pipeline& pipeline, VkRend
         .pViewportState = &PIPELINE_VIEWPORT_STATE_CREATE_INFO,
         .pRasterizationState = &PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
         .pMultisampleState = &PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
-        .pDepthStencilState = nullptr,
-        .pColorBlendState = &PIPELINE_COLOR_BLEND_STATE_GENERIC_CREATE_INFO,
+        .pDepthStencilState = is_target_depth ? &PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO : nullptr,
+        .pColorBlendState = is_target_depth ? &PIPELINE_COLOR_BLEND_STATE_EMPTY_CREATE_INFO
+                                            : &PIPELINE_COLOR_BLEND_STATE_GENERIC_CREATE_INFO,
         .pDynamicState = &PIPELINE_DYNAMIC_STATE_CREATE_INFO,
         .layout = *one_texture_pipeline_layout,
         .renderPass = renderpass,
@@ -723,32 +727,12 @@ void BlitImageHelper::ConvertDepthToColorPipeline(vk::Pipeline& pipeline, VkRend
     });
 }
 
+void BlitImageHelper::ConvertDepthToColorPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass) {
+    ConvertPipeline(pipeline, renderpass, false);
+}
+
 void BlitImageHelper::ConvertColorToDepthPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass) {
-    if (pipeline) {
-        return;
-    }
-    const std::array stages = MakeStages(*full_screen_vert, *convert_float_to_depth_frag);
-    pipeline = device.GetLogical().CreateGraphicsPipeline({
-        .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
-        .pNext = nullptr,
-        .flags = 0,
-        .stageCount = static_cast<u32>(stages.size()),
-        .pStages = stages.data(),
-        .pVertexInputState = &PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
-        .pInputAssemblyState = &PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
-        .pTessellationState = nullptr,
-        .pViewportState = &PIPELINE_VIEWPORT_STATE_CREATE_INFO,
-        .pRasterizationState = &PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
-        .pMultisampleState = &PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
-        .pDepthStencilState = &PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
-        .pColorBlendState = &PIPELINE_COLOR_BLEND_STATE_EMPTY_CREATE_INFO,
-        .pDynamicState = &PIPELINE_DYNAMIC_STATE_CREATE_INFO,
-        .layout = *one_texture_pipeline_layout,
-        .renderPass = renderpass,
-        .subpass = 0,
-        .basePipelineHandle = VK_NULL_HANDLE,
-        .basePipelineIndex = 0,
-    });
+    ConvertPipeline(pipeline, renderpass, true);
 }
 
 void BlitImageHelper::ConvertPipelineEx(vk::Pipeline& pipeline, VkRenderPass renderpass,
diff --git a/src/video_core/renderer_vulkan/blit_image.h b/src/video_core/renderer_vulkan/blit_image.h
index 566e8b5d6..29a9c9eef 100644
--- a/src/video_core/renderer_vulkan/blit_image.h
+++ b/src/video_core/renderer_vulkan/blit_image.h
@@ -76,6 +76,8 @@ private:
 
     [[nodiscard]] VkPipeline FindOrEmplaceDepthStencilPipeline(const BlitImagePipelineKey& key);
 
+    void ConvertPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass, bool is_target_depth);
+
     void ConvertDepthToColorPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass);
 
     void ConvertColorToDepthPipeline(vk::Pipeline& pipeline, VkRenderPass renderpass);
-- 
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