GPU: Add stats interface

src/pse-sdl/sdl_interface.cpp

@@ -390,6 +390,8 @@ void SDLInterface::RenderImGui()
   RenderMainMenuBar();
   RenderOSDMessages();
 
+  m_system->RenderUI();
+
   ImGui::Render();
 }
 

src/pse/gpu.cpp

@@ -126,6 +126,8 @@ bool GPU::DoState(StateWrapper& sw)
   return !sw.HasError();
 }
 
+void GPU::RenderUI() {}
+
 void GPU::UpdateGPUSTAT()
 {
   m_GPUSTAT.ready_to_send_vram = !m_GPUREAD_buffer.empty();

src/pse/gpu.h

@@ -22,6 +22,7 @@ public:
   virtual bool Initialize(System* system, DMA* dma, InterruptController* interrupt_controller, Timers* timers);
   virtual void Reset();
   virtual bool DoState(StateWrapper& sw);
+  virtual void RenderUI();
 
   u32 ReadRegister(u32 offset);
   void WriteRegister(u32 offset, u32 value);

src/pse/gpu_hw_opengl.cpp

@@ -2,6 +2,7 @@
 #include "YBaseLib/Assert.h"
 #include "YBaseLib/Log.h"
 #include "host_interface.h"
+#include "imgui.h"
 #include "system.h"
 Log_SetChannel(GPU_HW_OpenGL);
 
@@ -32,6 +33,37 @@ void GPU_HW_OpenGL::Reset()
   ClearFramebuffer();
 }
 
+void GPU_HW_OpenGL::RenderUI()
+{
+  GPU_HW::RenderUI();
+
+  if (ImGui::Begin("GL Render Statistics"))
+  {
+    ImGui::Columns(2);
+
+    ImGui::TextUnformatted("Texture Page Updates:");
+    ImGui::NextColumn();
+    ImGui::Text("%u", m_stats.num_texture_page_updates);
+    ImGui::NextColumn();
+
+    ImGui::TextUnformatted("Batches Drawn:");
+    ImGui::NextColumn();
+    ImGui::Text("%u", m_stats.num_batches);
+    ImGui::NextColumn();
+
+    ImGui::TextUnformatted("Vertices Drawn: ");
+    ImGui::NextColumn();
+    ImGui::Text("%u", m_stats.num_vertices);
+    ImGui::NextColumn();
+
+    ImGui::Columns(1);
+  }
+
+  ImGui::End();
+
+  m_stats = {};
+}
+
 std::tuple<s32, s32> GPU_HW_OpenGL::ConvertToFramebufferCoordinates(s32 x, s32 y)
 {
   return std::make_tuple(x, static_cast<s32>(static_cast<s32>(VRAM_HEIGHT) - y));
@@ -319,6 +351,8 @@ void GPU_HW_OpenGL::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 wid
 
 void GPU_HW_OpenGL::UpdateTexturePageTexture()
 {
+  m_stats.num_texture_page_updates++;
+
   glBindFramebuffer(GL_FRAMEBUFFER, m_texture_page_fbo_id);
   m_framebuffer_texture->Bind();
 
@@ -345,6 +379,9 @@ void GPU_HW_OpenGL::FlushRender()
   if (m_batch.vertices.empty())
     return;
 
+  m_stats.num_batches++;
+  m_stats.num_vertices += static_cast<u32>(m_batch.vertices.size());
+
   glDisable(GL_CULL_FACE);
   glDisable(GL_DEPTH_TEST);
   glEnable(GL_SCISSOR_TEST);

src/pse/gpu_hw_opengl.h

@@ -15,6 +15,7 @@ public:
 
   bool Initialize(System* system, DMA* dma, InterruptController* interrupt_controller, Timers* timers) override;
   void Reset() override;
+  void RenderUI() override;
 
 protected:
   void UpdateDisplay() override;
@@ -26,6 +27,13 @@ protected:
   void FlushRender() override;
 
 private:
+  struct GLStats
+  {
+    u32 num_texture_page_updates;
+    u32 num_batches;
+    u32 num_vertices;
+  };
+
   std::tuple<s32, s32> ConvertToFramebufferCoordinates(s32 x, s32 y);
 
   void CreateFramebuffer();
@@ -56,4 +64,6 @@ private:
   GL::Program m_color_program;
   GL::Program m_blended_texture_program;
   std::array<GL::Program, 3> m_texture_page_programs;
+
+  GLStats m_stats = {};
 };

src/pse/pse.vcxproj

@@ -238,7 +238,7 @@
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -259,7 +259,7 @@
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -280,7 +280,7 @@
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_ITERATOR_DEBUG_LEVEL=1;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUGFAST;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
@@ -303,7 +303,7 @@
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_ITERATOR_DEBUG_LEVEL=1;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUGFAST;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
@@ -325,7 +325,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -347,7 +347,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -370,7 +370,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -392,7 +392,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>ENABLE_VOODOO=1;_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)dep\msvc\include;$(SolutionDir)dep\YBaseLib\Include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\stb\include;$(SolutionDir)dep\imgui\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <LanguageStandard>stdcpp17</LanguageStandard>

src/pse/system.cpp

@@ -135,6 +135,11 @@ void System::RunFrame()
   }
 }
 
+void System::RenderUI()
+{
+  m_gpu->RenderUI();
+}
+
 bool System::LoadEXE(const char* filename)
 {
 #pragma pack(push, 1)

src/pse/system.h

@@ -40,6 +40,7 @@ public:
   bool SaveState(ByteStream* state);
 
   void RunFrame();
+  void RenderUI();
 
   bool LoadEXE(const char* filename);
   bool SetExpansionROM(const char* filename);