PostProcessing: Get rid of Timer global

src/util/postprocessing.cpp

@@ -11,8 +11,8 @@
 #include "shadergen.h"
 
 // TODO: Remove me
-#include "core/host.h"
 #include "core/fullscreen_ui.h"
+#include "core/host.h"
 #include "core/settings.h"
 
 #include "IconsFontAwesome5.h"
@@ -51,7 +51,7 @@ ALWAYS_INLINE void ForAllChains(const T& F)
 Chain DisplayChain(Config::DISPLAY_CHAIN_SECTION);
 Chain InternalChain(Config::INTERNAL_CHAIN_SECTION);
 
-static Timer s_timer;
+static Timer::Value s_start_time;
 
 static std::unordered_map<u64, std::unique_ptr<GPUSampler>> s_samplers;
 static std::unique_ptr<GPUTexture> s_dummy_texture;
@@ -525,7 +525,7 @@ void PostProcessing::Chain::UpdateSettings(std::unique_lock<std::mutex>& setting
 
   if (stage_count > 0)
   {
-    s_timer.Reset();
+    s_start_time = Timer::GetCurrentValue();
     DEV_LOG("Loaded {} post-processing stages.", stage_count);
   }
 
@@ -555,7 +555,7 @@ void PostProcessing::Chain::Toggle()
   m_enabled = new_enabled;
   m_needs_depth_buffer = new_enabled && m_wants_depth_buffer;
   if (m_enabled)
-    s_timer.Reset();
+    s_start_time = Timer::GetCurrentValue();
 }
 
 bool PostProcessing::Chain::CheckTargets(GPUTexture::Format target_format, u32 target_width, u32 target_height,
@@ -693,13 +693,14 @@ GPUDevice::PresentResult PostProcessing::Chain::Apply(GPUTexture* input_color, G
     draw_final_target = GetTextureUnusedAtEndOfChain();
   }
 
+  const float time = Timer::ConvertValueToSeconds(Timer::GetCurrentValue() - s_start_time);
   for (const std::unique_ptr<Shader>& stage : m_stages)
   {
     const bool is_final = (stage.get() == m_stages.back().get());
 
     if (const GPUDevice::PresentResult pres =
           stage->Apply(input_color, input_depth, is_final ? draw_final_target : output, final_rect, orig_width,
-                       orig_height, native_width, native_height, m_target_width, m_target_height);
+                       orig_height, native_width, native_height, m_target_width, m_target_height, time);
         pres != GPUDevice::PresentResult::OK)
     {
       return pres;
@@ -744,7 +745,7 @@ void PostProcessing::Initialize()
 {
   DisplayChain.LoadStages();
   InternalChain.LoadStages();
-  s_timer.Reset();
+  s_start_time = Timer::GetCurrentValue();
 }
 
 void PostProcessing::UpdateSettings()
@@ -780,7 +781,7 @@ bool PostProcessing::ReloadShaders()
     chain.DestroyTextures();
     chain.LoadStages();
   });
-  s_timer.Reset();
+  s_start_time = Timer::GetCurrentValue();
 
   Host::AddIconOSDMessage("PostProcessing", ICON_FA_PAINT_ROLLER,
                           TRANSLATE_STR("OSDMessage", "Post-processing shaders reloaded."), Host::OSD_QUICK_DURATION);
@@ -869,11 +870,6 @@ SettingsInterface& PostProcessing::GetLoadSettingsInterface(const char* section)
     return *Host::Internal::GetBaseSettingsLayer();
 }
 
-const Timer& PostProcessing::GetTimer()
-{
-  return s_timer;
-}
-
 GPUSampler* PostProcessing::GetSampler(const GPUSampler::Config& config)
 {
   auto it = s_samplers.find(config.key);

src/util/postprocessing.h

@@ -175,8 +175,6 @@ void Shutdown();
 GPUSampler* GetSampler(const GPUSampler::Config& config);
 GPUTexture* GetDummyTexture();
 
-const Timer& GetTimer();
-
 extern Chain DisplayChain;
 extern Chain InternalChain;
 

src/util/postprocessing_shader.h

@@ -51,7 +51,7 @@ public:
 
   virtual GPUDevice::PresentResult Apply(GPUTexture* input_color, GPUTexture* input_depth, GPUTexture* final_target,
                                          GSVector4i final_rect, s32 orig_width, s32 orig_height, s32 native_width,
-                                         s32 native_height, u32 target_width, u32 target_height) = 0;
+                                         s32 native_height, u32 target_width, u32 target_height, float time) = 0;
 
 protected:
   using OptionList = std::vector<ShaderOption>;

src/util/postprocessing_shader_fx.cpp

@@ -1469,7 +1469,8 @@ bool PostProcessing::ReShadeFXShader::ResizeOutput(GPUTexture::Format format, u3
 GPUDevice::PresentResult PostProcessing::ReShadeFXShader::Apply(GPUTexture* input_color, GPUTexture* input_depth,
                                                                 GPUTexture* final_target, GSVector4i final_rect,
                                                                 s32 orig_width, s32 orig_height, s32 native_width,
-                                                                s32 native_height, u32 target_width, u32 target_height)
+                                                                s32 native_height, u32 target_width, u32 target_height,
+                                                                float time)
 {
   GL_PUSH_FMT("PostProcessingShaderFX {}", m_name);
 
@@ -1478,6 +1479,9 @@ GPUDevice::PresentResult PostProcessing::ReShadeFXShader::Apply(GPUTexture* inpu
   // Reshade always draws at full size.
   g_gpu_device->SetViewportAndScissor(GSVector4i(0, 0, target_width, target_height));
 
+  // Reshade timer variable is in milliseconds.
+  time *= 1000.0f;
+
   if (m_uniforms_size > 0)
   {
     GL_SCOPE_FMT("Uniforms: {} bytes", m_uniforms_size);
@@ -1509,8 +1513,7 @@ GPUDevice::PresentResult PostProcessing::ReShadeFXShader::Apply(GPUTexture* inpu
 
         case SourceOptionType::Timer:
         {
-          const float value = static_cast<float>(PostProcessing::GetTimer().GetTimeMilliseconds());
+          std::memcpy(dst, &time, sizeof(time));
-          std::memcpy(dst, &value, sizeof(value));
         }
         break;
 

src/util/postprocessing_shader_fx.h

@@ -38,7 +38,7 @@ public:
                        ProgressCallback* progress) override;
   GPUDevice::PresentResult Apply(GPUTexture* input_color, GPUTexture* input_depth, GPUTexture* final_target,
                                  GSVector4i final_rect, s32 orig_width, s32 orig_height, s32 native_width,
-                                 s32 native_height, u32 target_width, u32 target_height) override;
+                                 s32 native_height, u32 target_width, u32 target_height, float time) override;
 
 private:
   using TextureID = s32;

src/util/postprocessing_shader_glsl.cpp

@@ -170,7 +170,8 @@ bool PostProcessing::GLSLShader::CompilePipeline(GPUTexture::Format format, u32
 GPUDevice::PresentResult PostProcessing::GLSLShader::Apply(GPUTexture* input_color, GPUTexture* input_depth,
                                                            GPUTexture* final_target, GSVector4i final_rect,
                                                            s32 orig_width, s32 orig_height, s32 native_width,
-                                                           s32 native_height, u32 target_width, u32 target_height)
+                                                           s32 native_height, u32 target_width, u32 target_height,
+                                                           float time)
 {
   GL_SCOPE_FMT("GLSL Shader {}", m_name);
 
@@ -194,8 +195,7 @@ GPUDevice::PresentResult PostProcessing::GLSLShader::Apply(GPUTexture* input_col
   const u32 uniforms_size = GetUniformsSize();
   void* uniforms = g_gpu_device->MapUniformBuffer(uniforms_size);
   FillUniformBuffer(uniforms, final_rect.left, final_rect.top, final_rect.width(), final_rect.height(), target_width,
-                    target_height, orig_width, orig_height, native_width, native_height,
+                    target_height, orig_width, orig_height, native_width, native_height, time);
-                    static_cast<float>(PostProcessing::GetTimer().GetTimeSeconds()));
   g_gpu_device->UnmapUniformBuffer(uniforms_size);
   g_gpu_device->Draw(3, 0);
   return GPUDevice::PresentResult::OK;

src/util/postprocessing_shader_glsl.h

@@ -27,7 +27,7 @@ public:
                        ProgressCallback* progress) override;
   GPUDevice::PresentResult Apply(GPUTexture* input_color, GPUTexture* input_depth, GPUTexture* final_target,
                                  GSVector4i final_rect, s32 orig_width, s32 orig_height, s32 native_width,
-                                 s32 native_height, u32 target_width, u32 target_height) override;
+                                 s32 native_height, u32 target_width, u32 target_height, float time) override;
 
 private:
   struct CommonUniforms