Implement GraphicsDrawer::showMessage Use it to show OSD message about logging start and stop.

src/DebugDump.cpp

@@ -9,6 +9,7 @@
 #include "Log.h"
 #include "wst.h"
 #include "DebugDump.h"
+#include "DisplayWindow.h"
 
 #ifdef DEBUG_DUMP
 
@@ -81,11 +82,13 @@ void DebugMsg(u32 _mode, const char * _format, ...)
 
 void StartDump(u32 _mode)
 {
+	dwnd().getDrawer().showMessage("Start commands logging\n", Milliseconds(750));
 	g_log.reset(new BufferedLog(_mode));
 }
 
 void EndDump()
 {
+	dwnd().getDrawer().showMessage("Stop commands logging\n", Milliseconds(750));
 	g_log.reset();
 }
 

src/GraphicsDrawer.cpp

@@ -1,4 +1,5 @@
 #include <algorithm>
+#include <thread>
 #include <assert.h>
 #include <cmath>
 #include "Platform.h"
@@ -31,6 +32,12 @@ GraphicsDrawer::GraphicsDrawer()
 {
 }
 
+GraphicsDrawer::~GraphicsDrawer()
+{
+	while (!m_osdMessages.empty())
+		std::this_thread::sleep_for(Milliseconds(1));
+}
+
 void GraphicsDrawer::addTriangle(int _v0, int _v1, int _v2)
 {
 	const u32 firstIndex = triangles.num;
@@ -1303,7 +1310,8 @@ void GraphicsDrawer::_drawOSD(const char *_pText, float _x, float & _y)
 
 void GraphicsDrawer::drawOSD()
 {
-	if ((config.onScreenDisplay.fps | config.onScreenDisplay.vis | config.onScreenDisplay.percent) == 0)
+	if ((config.onScreenDisplay.fps | config.onScreenDisplay.vis | config.onScreenDisplay.percent) == 0 &&
+		m_osdMessages.empty())
 		return;
 
 	gfxContext.bindFramebuffer(bufferTarget::DRAW_FRAMEBUFFER, ObjectHandle::null);
@@ -1350,9 +1358,26 @@ void GraphicsDrawer::drawOSD()
 		_drawOSD(buf, x, y);
 	}
 
+	for (const std::string & m : m_osdMessages) {
+		_drawOSD(m.c_str(), x, y);
+	}
+
 	frameBufferList().setCurrentDrawBuffer();
 }
 
+void GraphicsDrawer::showMessage(std::string _message, Milliseconds _interval)
+{
+	m_osdMessages.emplace_back(_message);
+	std::thread t(&GraphicsDrawer::_removeOSDMessage, this, std::prev(m_osdMessages.end()), _interval);
+	t.detach();
+}
+
+void GraphicsDrawer::_removeOSDMessage(OSDMessages::iterator _iter, Milliseconds _interval)
+{
+	std::this_thread::sleep_for(_interval);
+	m_osdMessages.erase(_iter);
+}
+
 void GraphicsDrawer::clearDepthBuffer(u32 _ulx, u32 _uly, u32 _lrx, u32 _lry)
 {
 	if (!_canDraw())

src/GraphicsDrawer.h

@@ -2,6 +2,9 @@
 #include <memory>
 #include <array>
 #include <vector>
+#include <list>
+#include <chrono>
+#include <string>
 #include "gSP.h"
 #include "TexrectDrawer.h"
 #include "Graphics/ObjectHandle.h"
@@ -32,6 +35,8 @@ struct RectVertex
 	float s0, t0, s1, t1;
 };
 
+typedef std::chrono::milliseconds Milliseconds;
+
 class GraphicsDrawer
 {
 public:
@@ -113,6 +118,8 @@ public:
 
 	void drawOSD();
 
+	void showMessage(std::string _message, Milliseconds _interval);
+
 	void clearDepthBuffer(u32 _ulx, u32 _uly, u32 _lrx, u32 _lry);
 
 	void clearColorBuffer(float * _pColor);
@@ -145,6 +152,7 @@ private:
 	friend TexrectDrawer;
 
 	GraphicsDrawer();
+	~GraphicsDrawer();
 
 	GraphicsDrawer(const GraphicsDrawer &) = delete;
 
@@ -169,6 +177,9 @@ private:
 
 	void _drawOSD(const char *_pText, float _x, float & _y);
 
+	typedef std::list<std::string> OSDMessages;
+	void _removeOSDMessage(OSDMessages::iterator _iter, Milliseconds _interval);
+
 	DrawingState m_drawingState;
 	TexturedRectParams m_texrectParams;
 
@@ -188,4 +199,5 @@ private:
 	bool m_bImageTexture;
 	bool m_bFlatColors;
 	TexrectDrawer m_texrectDrawer;
+	OSDMessages m_osdMessages;
 };