vk_shader_gen_spv: Fix OpCompositeConstruct bug

* Fixes graphics on the 2d_shapes homebrew and maybe other games

src/video_core/CMakeLists.txt

@@ -111,6 +111,8 @@ add_library(video_core STATIC
     renderer_vulkan/vk_platform.h
     renderer_vulkan/vk_renderpass_cache.cpp
     renderer_vulkan/vk_renderpass_cache.h
+    renderer_vulkan/vk_shader_decompiler.cpp
+    renderer_vulkan/vk_shader_decompiler.h
     renderer_vulkan/vk_shader_gen.cpp
     renderer_vulkan/vk_shader_gen.h
     renderer_vulkan/vk_shader_gen_spv.cpp

src/video_core/renderer_vulkan/vk_shader_decompiler.cpp

@@ -0,0 +1,6 @@
+#include "vk_shader_decompiler.h"
+
+vk_shader_decompiler::vk_shader_decompiler()
+{
+
+}

src/video_core/renderer_vulkan/vk_shader_decompiler.h

@@ -0,0 +1,11 @@
+#ifndef VK_SHADER_DECOMPILER_H
+#define VK_SHADER_DECOMPILER_H
+
+
+class vk_shader_decompiler
+{
+public:
+    vk_shader_decompiler();
+};
+
+#endif // VK_SHADER_DECOMPILER_H

src/video_core/renderer_vulkan/vk_shader_gen.cpp

@@ -1824,6 +1824,7 @@ layout (set = 0, binding = 0, std140) uniform vs_config {
 
     out += program_source;
 
+    LOG_INFO(Render_Vulkan, "{}", out);
     return out;
 }
 

src/video_core/renderer_vulkan/vk_shader_gen_spv.cpp

@@ -948,7 +948,8 @@ void FragmentModule::DefineProcTexSampler() {
         const Id proctex_alpha_map_offset{GetShaderDataMember(i32_id, ConstS32(13))};
         const Id final_alpha{AppendProcTexCombineAndMap(config.state.proctex.alpha_combiner, u, v,
                                                         proctex_alpha_map_offset)};
-        final_color = OpCompositeConstruct(vec_ids.Get(4), final_color, final_alpha);
+        const Id final_color_xyz{OpVectorShuffle(vec_ids.Get(3), final_color, final_color, 0, 1, 2)};
+        final_color = OpCompositeConstruct(vec_ids.Get(4), final_color_xyz, final_alpha);
     }
 
     OpReturnValue(final_color);

src/video_core/renderer_vulkan/vk_texture_runtime.cpp

@@ -224,10 +224,13 @@ ImageAlloc TextureRuntime::Allocate(u32 width, u32 height, VideoCore::PixelForma
     }
 
     const bool need_format_list = create_storage_view && instance.IsImageFormatListSupported();
-    const vk::Format storage_format = vk::Format::eR32Uint;
+    const std::array format_list = {
+        vk::Format::eR8G8B8A8Unorm,
+        vk::Format::eR32Uint,
+    };
     const vk::ImageFormatListCreateInfo image_format_list = {
-        .viewFormatCount = 1,
-        .pViewFormats = &storage_format,
+        .viewFormatCount = static_cast<u32>(format_list.size()),
+        .pViewFormats = format_list.data(),
     };
 
     const vk::ImageCreateInfo image_info = {