Display CRC on crash screen. Thanks sum2012 for the idea.

Fixes #16840

Core/Reporting.cpp

@@ -142,8 +142,7 @@ namespace Reporting
 		}
 
 		if (crcPending) {
-			// Already in process.
-			INFO_LOG(SYSTEM, "CRC already pending");
+			// Already in process. This is OK - on the crash screen we call this in a polling fashion.
 			return;
 		}
 

UI/EmuScreen.cpp

@@ -90,6 +90,8 @@ using namespace std::placeholders;
 #include "UI/DiscordIntegration.h"
 #include "UI/ChatScreen.h"
 
+#include "Core/Reporting.h"
+
 #if PPSSPP_PLATFORM(WINDOWS) && !PPSSPP_PLATFORM(UWP)
 #include "Windows/MainWindow.h"
 #endif
@@ -1158,7 +1160,7 @@ static const char *CPUCoreAsString(int core) {
 	}
 }
 
-static void DrawCrashDump(UIContext *ctx) {
+static void DrawCrashDump(UIContext *ctx, const Path &gamePath) {
 	const ExceptionInfo &info = Core_GetExceptionInfo();
 
 	auto sy = GetI18NCategory("System");
@@ -1170,13 +1172,23 @@ static void DrawCrashDump(UIContext *ctx) {
 	ctx->Flush();
 	if (ctx->Draw()->GetFontAtlas()->getFont(ubuntu24))
 		ctx->BindFontTexture();
-	ctx->Draw()->SetFontScale(1.2f, 1.2f);
+	ctx->Draw()->SetFontScale(1.1f, 1.1f);
 	ctx->Draw()->DrawTextShadow(ubuntu24, sy->T("Game crashed"), x, y, 0xFFFFFFFF);
 
 	char statbuf[4096];
 	char versionString[256];
 	snprintf(versionString, sizeof(versionString), "%s", PPSSPP_GIT_VERSION);
 
+	char crcStr[16]{};
+	if (Reporting::HasCRC(gamePath)) {
+		u32 crc = Reporting::RetrieveCRC(gamePath);
+		snprintf(crcStr, sizeof(crcStr), "CRC: %08x\n", crc);
+	} else {
+		// Queue it for calculation, we want it!
+		// It's OK to call this repeatedly until we have it, which is natural here.
+		Reporting::QueueCRC(gamePath);
+	}
+
 	// TODO: Draw a lot more information. Full register set, and so on.
 
 #ifdef _DEBUG
@@ -1196,23 +1208,24 @@ static void DrawCrashDump(UIContext *ctx) {
 
 	ctx->PushScissor(Bounds(x, y, columnWidth, height));
 
-
 	INFO_LOG(SYSTEM, "DrawCrashDump (%d %d %d %d)", x, y, columnWidth, height);
 
 	snprintf(statbuf, sizeof(statbuf), R"(%s
 %s (%s)
 %s (%s)
 %s v%d (%s)
+%s
 )",
 		ExceptionTypeAsString(info.type),
 		g_paramSFO.GetDiscID().c_str(), g_paramSFO.GetValueString("TITLE").c_str(),
 		versionString, build,
-		sysName.c_str(), sysVersion, GetCompilerABI()
+		sysName.c_str(), sysVersion, GetCompilerABI(),
+		crcStr
 	);
 
 	ctx->Draw()->SetFontScale(.7f, .7f);
 	ctx->Draw()->DrawTextShadow(ubuntu24, statbuf, x, y, 0xFFFFFFFF);
-	y += 140;
+	y += 160;
 
 	if (info.type == ExceptionType::MEMORY) {
 		snprintf(statbuf, sizeof(statbuf), R"(
@@ -1272,6 +1285,7 @@ Invalid / Unknown (%d)
 
 	ctx->Draw()->DrawTextShadow(ubuntu24, statbuf, x, y, 0xFFFFFFFF);
 	ctx->Flush();
+	ctx->Draw()->SetFontScale(1.0f, 1.0f);
 	ctx->RebindTexture();
 }
 
@@ -1565,7 +1579,7 @@ void EmuScreen::renderUI() {
 	if (coreState == CORE_RUNTIME_ERROR || coreState == CORE_STEPPING) {
 		const ExceptionInfo &info = Core_GetExceptionInfo();
 		if (info.type != ExceptionType::NONE) {
-			DrawCrashDump(ctx);
+			DrawCrashDump(ctx, gamePath_);
 		} else {
 			// We're somehow in ERROR or STEPPING without a crash dump. This case is what lead
 			// to the bare "Resume" and "Reset" buttons without a crash dump before, in cases