GE Debugger: Highlight changed state values

GPU/Debugger/Stepping.cpp

@@ -65,6 +65,8 @@ static GPUDebugBuffer bufferClut;
 static int bufferLevel;
 static u32 pauseSetCmdValue;
 
+static GPUgstate lastGState;
+
 static void SetPauseAction(PauseAction act, bool waitComplete = true) {
 	pauseLock.lock();
 	std::unique_lock<std::mutex> guard(actionLock);
@@ -133,6 +135,22 @@ static void RunPauseAction() {
 	pauseAction = PAUSE_BREAK;
 }
 
+static void StartStepping() {
+	if (lastGState.cmdmem[1] == 0) {
+		lastGState = gstate;
+		// Play it safe so we don't keep resetting.
+		lastGState.cmdmem[1] |= 0x01000000;
+	}
+	gpuDebug->NotifySteppingEnter();
+	isStepping = true;
+}
+
+static void StopStepping() {
+	gpuDebug->NotifySteppingExit();
+	lastGState = gstate;
+	isStepping = false;
+}
+
 bool SingleStep() {
 	std::unique_lock<std::mutex> guard(pauseLock);
 	if (coreState != CORE_RUNNING && coreState != CORE_NEXTFRAME && coreState != CORE_STEPPING) {
@@ -147,13 +165,9 @@ bool SingleStep() {
 		return false;
 	}
 
-	gpuDebug->NotifySteppingEnter();
-	isStepping = true;
-
+	StartStepping();
 	RunPauseAction();
-
-	gpuDebug->NotifySteppingExit();
-	isStepping = false;
+	StopStepping();
 	return true;
 }
 
@@ -171,22 +185,20 @@ bool EnterStepping() {
 		return false;
 	}
 
-	gpuDebug->NotifySteppingEnter();
+	StartStepping();
 
 	// Just to be sure.
 	if (pauseAction == PAUSE_CONTINUE) {
 		pauseAction = PAUSE_BREAK;
 	}
-	isStepping = true;
 	stepCounter++;
 
 	do {
 		RunPauseAction();
 		pauseWait.wait(guard);
 	} while (pauseAction != PAUSE_CONTINUE);
 
-	gpuDebug->NotifySteppingExit();
-	isStepping = false;
+	StopStepping();
 	return true;
 }
 
@@ -263,4 +275,8 @@ void ForceUnpause() {
 	actionWait.notify_all();
 }
 
+GPUgstate LastState() {
+	return lastGState;
+}
+
 }  // namespace

GPU/Debugger/Stepping.h

@@ -22,6 +22,7 @@
 #include "Common/CommonTypes.h"
 #include "Core/Core.h"
 #include "GPU/Common/GPUDebugInterface.h"
+#include "GPU/GPUState.h"
 
 namespace GPUStepping {
 	// Should be called from the emu thread.
@@ -42,4 +43,6 @@ namespace GPUStepping {
 
 	void ResumeFromStepping();
 	void ForceUnpause();
+
+	GPUgstate LastState();
 };

Windows/Debugger/Debugger_Disasm.cpp

@@ -361,17 +361,17 @@ BOOL CDisasm::DlgProc(UINT message, WPARAM wParam, LPARAM lParam)
 			leftTabs->HandleNotify(lParam);
 			break;
 		case IDC_BREAKPOINTLIST:
-			breakpointList->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, breakpointList->HandleNotify(lParam));
+			return TRUE;
 		case IDC_THREADLIST:
-			threadList->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, threadList->HandleNotify(lParam));
+			return TRUE;
 		case IDC_STACKFRAMES:
-			stackTraceView->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, stackTraceView->HandleNotify(lParam));
+			return TRUE;
 		case IDC_MODULELIST:
-			moduleList->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, moduleList->HandleNotify(lParam));
+			return TRUE;
 		case IDC_DEBUG_BOTTOMTABS:
 			bottomTabs->HandleNotify(lParam);
 			break;

Windows/GEDebugger/TabDisplayLists.cpp

@@ -258,11 +258,11 @@ BOOL TabDisplayLists::DlgProc(UINT message, WPARAM wParam, LPARAM lParam) {
 		switch (wParam)
 		{
 		case IDC_GEDBG_LISTS_STACK:
-			stack->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, stack->HandleNotify(lParam));
+			return TRUE;
 		case IDC_GEDBG_LISTS_ALLLISTS:
-			allLists->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, allLists->HandleNotify(lParam));
+			return TRUE;
 		}
 		break;
 

Windows/GEDebugger/TabState.cpp

@@ -15,8 +15,10 @@
 // Official git repository and contact information can be found at
 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
 
+#include <commctrl.h>
 #include "Common/CommonFuncs.h"
 #include "Common/CommonTypes.h"
+#include "Common/Log.h"
 #include "Common/Data/Text/Parsers.h"
 #include "Common/StringUtils.h"
 #include "Windows/resource.h"
@@ -28,6 +30,7 @@
 #include "GPU/GeDisasm.h"
 #include "GPU/Common/GPUDebugInterface.h"
 #include "GPU/Debugger/Breakpoints.h"
+#include "GPU/Debugger/Stepping.h"
 
 using namespace GPUBreakpoints;
 
@@ -1009,11 +1012,36 @@ void CtrlStateValues::OnRightClick(int row, int column, const POINT &point) {
 	}
 }
 
+bool CtrlStateValues::OnRowPrePaint(int row, LPNMLVCUSTOMDRAW msg) {
+	if (RowValuesChanged(row)) {
+		msg->clrText = RGB(255, 0, 0);
+		return true;
+	}
+	return false;
+}
+
 void CtrlStateValues::SetCmdValue(u32 op) {
 	SendMessage(GetParent(GetParent(GetHandle())), WM_GEDBG_SETCMDWPARAM, op, NULL);
 	Update();
 }
 
+bool CtrlStateValues::RowValuesChanged(int row) {
+	_assert_(gpuDebug != nullptr && row >= 0 && row < rowCount_);
+
+	const auto info = rows_[row];
+	const auto state = gpuDebug->GetGState();
+	const auto lastState = GPUStepping::LastState();
+
+	if (state.cmdmem[info.cmd] != lastState.cmdmem[info.cmd])
+		return true;
+	if (info.otherCmd && state.cmdmem[info.otherCmd] != lastState.cmdmem[info.otherCmd])
+		return true;
+	if (info.otherCmd2 && state.cmdmem[info.otherCmd2] != lastState.cmdmem[info.otherCmd2])
+		return true;
+
+	return false;
+}
+
 TabStateValues::TabStateValues(const TabStateRow *rows, int rowCount, LPCSTR dialogID, HINSTANCE _hInstance, HWND _hParent)
 	: Dialog(dialogID, _hInstance, _hParent) {
 	values = new CtrlStateValues(rows, rowCount, GetDlgItem(m_hDlg, IDC_GEDBG_VALUES));
@@ -1054,8 +1082,8 @@ BOOL TabStateValues::DlgProc(UINT message, WPARAM wParam, LPARAM lParam) {
 		switch (wParam)
 		{
 		case IDC_GEDBG_VALUES:
-			values->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, values->HandleNotify(lParam));
+			return TRUE;
 		}
 		break;
 	}

Windows/GEDebugger/TabState.h

@@ -41,7 +41,11 @@ class CtrlStateValues: public GenericListControl {
 	void OnDoubleClick(int row, int column) override;
 	void OnRightClick(int row, int column, const POINT& point) override;
 
+	bool ListenRowPrePaint() override { return true; }
+	bool OnRowPrePaint(int row, LPNMLVCUSTOMDRAW msg) override;
+
 private:
+	bool RowValuesChanged(int row);
 	void SetCmdValue(u32 op);
 
 	const TabStateRow *rows_;

Windows/GEDebugger/TabVertices.cpp

@@ -15,6 +15,7 @@
 // Official git repository and contact information can be found at
 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
 
+#include <commctrl.h>
 #include "Common/CommonTypes.h"
 #include "Common/StringUtils.h"
 #include "Core/System.h"
@@ -28,6 +29,7 @@
 #include "GPU/GeDisasm.h"
 #include "GPU/Common/GPUDebugInterface.h"
 #include "GPU/Debugger/Breakpoints.h"
+#include "GPU/Debugger/Stepping.h"
 
 static const GenericListViewColumn vertexListCols[] = {
 	{ L"X", 0.1f },
@@ -355,8 +357,8 @@ BOOL TabVertices::DlgProc(UINT message, WPARAM wParam, LPARAM lParam) {
 		switch (wParam)
 		{
 		case IDC_GEDBG_VERTICES:
-			values->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, values->HandleNotify(lParam));
+			return TRUE;
 		}
 		break;
 	}
@@ -370,14 +372,57 @@ CtrlMatrixList::CtrlMatrixList(HWND hwnd)
 	Update();
 }
 
-bool CtrlMatrixList::GetValue(int row, int col, float &val) {
+bool CtrlMatrixList::OnColPrePaint(int row, int col, LPNMLVCUSTOMDRAW msg) {
+	const auto state = gpuDebug->GetGState();
+	const auto lastState = GPUStepping::LastState();
+
+	bool changed = false;
+	if (col < MATRIXLIST_COL_0) {
+		for (int c = MATRIXLIST_COL_0; c <= MATRIXLIST_COL_3; ++c) {
+			changed = changed || ColChanged(lastState, state, row, c);
+		}
+	} else {
+		changed = ColChanged(lastState, state, row, col);
+	}
+
+	// At the column level, we have to reset the color back.
+	static int lastRow = -1;
+	static COLORREF rowDefaultText;
+	if (lastRow != row) {
+		rowDefaultText = msg->clrText;
+		lastRow = row;
+	}
+
+	if (changed) {
+		msg->clrText = RGB(255, 0, 0);
+		return true;
+	} else if (msg->clrText != rowDefaultText) {
+		msg->clrText = rowDefaultText;
+		return true;
+	}
+
+	return false;
+}
+
+bool CtrlMatrixList::ColChanged(const GPUgstate &lastState, const GPUgstate &state, int row, int col) {
+	union {
+		float f;
+		uint32_t u;
+	} newVal, oldVal;
+	if (!GetValue(state, row, col, newVal.f) || !GetValue(lastState, row, col, oldVal.f))
+		return false;
+
+	// If there's any difference in bits, highlight.
+	return newVal.u != oldVal.u;
+}
+
+bool CtrlMatrixList::GetValue(const GPUgstate &state, int row, int col, float &val) {
 	if (!gpuDebug || row < 0 || row >= MATRIXLIST_ROW_COUNT || col < 0 || col >= MATRIXLIST_COL_COUNT)
 		return false;
 
 	if (col < MATRIXLIST_COL_0)
 		col = MATRIXLIST_COL_0;
 
-	auto state = gpuDebug->GetGState();
 	if (row >= MATRIXLIST_ROW_BONE_0_0) {
 		int b = (row - MATRIXLIST_ROW_BONE_0_0) / 3;
 		int r = (row - MATRIXLIST_ROW_BONE_0_0) % 3;
@@ -419,7 +464,7 @@ void CtrlMatrixList::GetColumnText(wchar_t *dest, int row, int col) {
 	}
 
 	float val;
-	if (!GetValue(row, col, val)) {
+	if (!GetValue(gpuDebug->GetGState(), row, col, val)) {
 		wcscpy(dest, L"Invalid");
 		return;
 	}
@@ -534,7 +579,7 @@ void CtrlMatrixList::OnDoubleClick(int row, int column) {
 	}
 
 	float val;
-	if (!GetValue(row, column, val))
+	if (!GetValue(gpuDebug->GetGState(), row, column, val))
 		return;
 
 	std::string strvalue = StringFromFormat("%f", val);
@@ -594,7 +639,7 @@ void CtrlMatrixList::OnRightClick(int row, int column, const POINT &point) {
 	case ID_DISASM_COPYINSTRUCTIONDISASM:
 	{
 		float val;
-		if (GetValue(row, column, val)) {
+		if (GetValue(gpuDebug->GetGState(), row, column, val)) {
 			wchar_t dest[512];
 			swprintf(dest, 511, L"%f", val);
 			W32Util::CopyTextToClipboard(GetHandle(), dest);
@@ -652,8 +697,8 @@ BOOL TabMatrices::DlgProc(UINT message, WPARAM wParam, LPARAM lParam) {
 		switch (wParam)
 		{
 		case IDC_GEDBG_MATRICES:
-			values->HandleNotify(lParam);
-			break;
+			SetWindowLongPtr(m_hDlg, DWLP_MSGRESULT, values->HandleNotify(lParam));
+			return TRUE;
 		}
 		break;
 	}

Windows/GEDebugger/TabVertices.h

@@ -83,8 +83,12 @@ class CtrlMatrixList: public GenericListControl {
 	void OnDoubleClick(int row, int column) override;
 	void OnRightClick(int row, int column, const POINT &point) override;
 
+	bool ListenColPrePaint() override { return true; }
+	bool OnColPrePaint(int row, int col, LPNMLVCUSTOMDRAW msg) override;
+
 private:
-	bool GetValue(int row, int col, float &val);
+	bool GetValue(const GPUgstate &state, int row, int col, float &val);
+	bool ColChanged(const GPUgstate &lastState, const GPUgstate &state, int row, int col);
 	void ToggleBreakpoint(int row);
 };