Vulkan: Implement post-processing backend

No new features, just parity with OpenGL.

1 files changed, 22 insertions, 1 deletions

diff --git a/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp b/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
index b7ef583786..d9cd116566 100644
--- a/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
+++ b/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
@@ -6,6 +6,9 @@
 
 #include "Common/Assert.h"
 #include "Common/CommonFuncs.h"
+#include "Common/CommonPaths.h"
+#include "Common/FileSearch.h"
+#include "Common/FileUtil.h"
 #include "Common/Logging/Log.h"
 #include "Common/MsgHandler.h"
 #include "Common/StringUtil.h"
@@ -222,6 +225,21 @@ VulkanContext::GPUList VulkanContext::EnumerateGPUs(VkInstance instance)
   return gpus;
 }
 
+static std::vector<std::string> GetShaders(const std::string& sub_dir = "")
+{
+  std::vector<std::string> paths =
+      Common::DoFileSearch({".glsl"}, {File::GetUserPath(D_SHADERS_IDX) + sub_dir,
+                                       File::GetSysDirectory() + SHADERS_DIR DIR_SEP + sub_dir});
+  std::vector<std::string> result;
+  for (std::string path : paths)
+  {
+    std::string name;
+    SplitPath(path, nullptr, &name, nullptr);
+    result.push_back(name);
+  }
+  return result;
+}
+
 void VulkanContext::PopulateBackendInfo(VideoConfig* config)
 {
   config->backend_info.api_type = APIType::Vulkan;
@@ -237,7 +255,7 @@ void VulkanContext::PopulateBackendInfo(VideoConfig* config)
   config->backend_info.bSupportsComputeShaders = true;        // Assumed support.
   config->backend_info.bSupportsGPUTextureDecoding = true;    // Assumed support.
   config->backend_info.bSupportsInternalResolutionFrameDumps = true;  // Assumed support.
-  config->backend_info.bSupportsPostProcessing = false;               // No support yet.
+  config->backend_info.bSupportsPostProcessing = true;                // Assumed support.
   config->backend_info.bSupportsDualSourceBlend = false;              // Dependent on features.
   config->backend_info.bSupportsGeometryShaders = false;              // Dependent on features.
   config->backend_info.bSupportsGSInstancing = false;                 // Dependent on features.
@@ -246,6 +264,9 @@ void VulkanContext::PopulateBackendInfo(VideoConfig* config)
   config->backend_info.bSupportsSSAA = false;                         // Dependent on features.
   config->backend_info.bSupportsDepthClamp = false;                   // Dependent on features.
   config->backend_info.bSupportsReversedDepthRange = false;  // No support yet due to driver bugs.
+
+  g_Config.backend_info.PPShaders = GetShaders("");
+  g_Config.backend_info.AnaglyphShaders = GetShaders(ANAGLYPH_DIR DIR_SEP);
 }
 
 void VulkanContext::PopulateBackendInfoAdapters(VideoConfig* config, const GPUList& gpu_list)