Remove InitGraphics/ShutdownGraphics from Host, except for headless

Core/Host.h

@@ -27,9 +27,6 @@ class Host {
 public:
 	virtual ~Host() {}
 
-	virtual bool InitGraphics(std::string *error_string, GraphicsContext **ctx) = 0;
-	virtual void ShutdownGraphics() = 0;
-
 	virtual void UpdateSound() {}  // still needed for libretro, will need a proper effort.
 	virtual void PollControllers() {}
 	virtual void ToggleDebugConsoleVisibility() {}

Qt/QtHost.h

@@ -31,9 +31,6 @@ public:
 		mainWindow = mainWindow_;
 	}
 
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override { return true; }
-	void ShutdownGraphics() override {}
-
 	void UpdateSound() override {}
 
 	bool AttemptLoadSymbolMap() override {

UI/HostTypes.h

@@ -24,9 +24,6 @@ class NativeHost : public Host {
 public:
 	NativeHost() {}
 
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override { return true; }
-	void ShutdownGraphics() override {}
-
 	void UpdateSound() override {}
 
 	bool AttemptLoadSymbolMap() override {return false;}

UWP/UWPHost.cpp

@@ -54,15 +54,6 @@ void UWPHost::SetConsolePosition() {
 void UWPHost::UpdateConsolePosition() {
 }
 
-bool UWPHost::InitGraphics(std::string *error_message, GraphicsContext **ctx) {
-	// Done elsewhere
-	return true;
-}
-
-void UWPHost::ShutdownGraphics() {
-	// Done elsewhere
-}
-
 void UWPHost::SetWindowTitle(const char *message) {
 }
 

UWP/UWPHost.h

@@ -12,10 +12,7 @@ public:
 	UWPHost();
 	~UWPHost();
 
-	// If returns false, will return a null context
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override;
 	void PollControllers() override;
-	void ShutdownGraphics() override;
 
 	void UpdateSound() override;
 

Windows/WindowsHost.cpp

@@ -109,13 +109,6 @@ void WindowsHost::UpdateConsolePosition() {
 	}
 }
 
-bool WindowsHost::InitGraphics(std::string *error_message, GraphicsContext **ctx) {
-	return true;
-}
-
-void WindowsHost::ShutdownGraphics() {
-}
-
 void WindowsHost::SetWindowTitle(const char *message) {
 #ifdef GOLD
 	const char *name = "PPSSPP Gold ";

Windows/WindowsHost.h

@@ -32,10 +32,7 @@ public:
 		UpdateConsolePosition();
 	}
 
-	// If returns false, will return a null context
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override;
 	void PollControllers() override;
-	void ShutdownGraphics() override;
 
 	void UpdateSound() override;
 
@@ -50,8 +47,6 @@ public:
 	void NotifyUserMessage(const std::string &message, float duration = 1.0f, u32 color = 0x00FFFFFF, const char *id = nullptr) override;
 	void SendUIMessage(const std::string &message, const std::string &value) override;
 
-	GraphicsContext *GetGraphicsContext() { return gfx_; }
-
 private:
 	void SetConsolePosition();
 	void UpdateConsolePosition();

ext/glslang

@@ -1 +1 @@
-Subproject commit b34f619e1c85810dcb3c578107d2e48ba4ee2b37
+Subproject commit 77551c429f86c0e077f26552b7c1c0f12a9f235e

headless/Headless.cpp

@@ -409,12 +409,11 @@ int main(int argc, const char* argv[])
 	g_threadManager.Init(cpu_info.num_cores, cpu_info.logical_cpu_count);
 
 	HeadlessHost *headlessHost = getHost(gpuCore);
-	headlessHost->SetGraphicsCore(gpuCore);
 	host = headlessHost;
 
 	std::string error_string;
 	GraphicsContext *graphicsContext = nullptr;
-	bool glWorking = host->InitGraphics(&error_string, &graphicsContext);
+	bool glWorking = ((HeadlessHost *)host)->InitGraphics(&error_string, &graphicsContext, gpuCore);
 
 	CoreParameter coreParameter;
 	coreParameter.cpuCore = cpuCore;
@@ -578,7 +577,7 @@ int main(int argc, const char* argv[])
 		ShutdownWebServer();
 	}
 
-	host->ShutdownGraphics();
+	 ((HeadlessHost *)host)->ShutdownGraphics();
 	delete host;
 	host = nullptr;
 	headlessHost = nullptr;

headless/SDLHeadlessHost.cpp

@@ -165,7 +165,7 @@ bool GLDummyGraphicsContext::InitFromRenderThread(std::string *errorMessage) {
 	return success;
 }
 
-bool SDLHeadlessHost::InitGraphics(std::string *error_message, GraphicsContext **ctx) {
+bool SDLHeadlessHost::InitGraphics(std::string *error_message, GraphicsContext **ctx, GPUCore core) {
 	GraphicsContext *graphicsContext = new GLDummyGraphicsContext();
 	*ctx = graphicsContext;
 	gfx_ = graphicsContext;

headless/SDLHeadlessHost.h

@@ -30,7 +30,7 @@ typedef void *SDL_GLContext;
 class SDLHeadlessHost : public HeadlessHost
 {
 public:
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override;
+	bool InitGraphics(std::string *error_message, GraphicsContext **ctx, GPUCore core) override;
 	void ShutdownGraphics() override;
 
 	void SwapBuffers() override;

headless/StubHost.h

@@ -23,12 +23,10 @@
 #include "Core/Host.h"
 #include "Core/Debugger/SymbolMap.h"
 
-// TODO: Get rid of this junk
 class HeadlessHost : public Host {
 public:
-	void SetGraphicsCore(GPUCore core) { gpuCore_ = core; }
+	virtual bool InitGraphics(std::string *error_message, GraphicsContext **ctx, GPUCore core) {return false;}
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override {return false;}
+	virtual void ShutdownGraphics() {}
-	void ShutdownGraphics() override {}
 
 	void UpdateSound() override {}
 

headless/WindowsHeadlessHost.cpp

@@ -72,8 +72,9 @@ void WindowsHeadlessHost::SendDebugOutput(const std::string &output)
 	OutputDebugStringUTF8(output.c_str());
 }
 
-bool WindowsHeadlessHost::InitGraphics(std::string *error_message, GraphicsContext **ctx) {
+bool WindowsHeadlessHost::InitGraphics(std::string *error_message, GraphicsContext **ctx, GPUCore core) {
 	hWnd = CreateHiddenWindow();
+	gpuCore_ = core;
 
 	if (WINDOW_VISIBLE) {
 		ShowWindow(hWnd, TRUE);

headless/WindowsHeadlessHost.h

@@ -29,7 +29,7 @@
 class WindowsHeadlessHost : public HeadlessHost
 {
 public:
-	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override;
+	bool InitGraphics(std::string *error_message, GraphicsContext **ctx, GPUCore core) override;
 	void ShutdownGraphics() override;
 
 	void SwapBuffers() override;

libretro/libretro.cpp

@@ -386,8 +386,6 @@ class LibretroHost : public Host
 {
    public:
       LibretroHost() {}
-      bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override { return true; }
-      void ShutdownGraphics() override {}
       void UpdateSound() override
       {
          int hostAttemptBlockSize = __AudioGetHostAttemptBlockSize();