gsdx-debug: dump register context in a .txt file

+ Realign s_n number if frame is skipped

This way it is easier to understand current draw. It also eases
comparaison between SW/HW.

plugins/GSdx/GSDrawingContext.h

@@ -124,4 +124,95 @@ public:
 
 		return ZBUF.ZMSK == 0 && TEST.ZTE != 0; // ZTE == 0 is bug on the real hardware, write is blocked then
 	}
+
+	void Dump(const std::string& filename)
+	{
+		// Append on purpose so env + context are merged into a single file
+		FILE* fp = fopen(filename.c_str(), "at");
+		if (!fp) return;
+
+		fprintf(fp, "XYOFFSET\n"
+				"\tX:%d\n"
+				"\tY:%d\n\n"
+				, XYOFFSET.OFX, XYOFFSET.OFY);
+		fprintf(fp, "TEX0\n"
+				"\tTBP0:%d\n"
+				"\tTBW:%d\n"
+				"\tPSM:%d\n"
+				"\tTW:%d\n"
+				"\tTCC:%d\n"
+				"\tTFX:%d\n"
+				"\tCBP:%d\n"
+				"\tCPSM:%d\n"
+				"\tCSM:%d\n"
+				"\tCSA:%d\n"
+				"\tCLD:%d\n"
+				"\tTH:%lld\n\n"
+				, TEX0.TBP0, TEX0.TBW, TEX0.PSM, TEX0.TW, TEX0.TCC, TEX0.TFX, TEX0.CBP, TEX0.CPSM, TEX0.CSM, TEX0.CSA, TEX0.CLD, TEX0.TH);
+		fprintf(fp, "TEX1\n"
+				"\tLCM:%d\n"
+				"\tMXL:%d\n"
+				"\tMMAG:%d\n"
+				"\tMMIN:%d\n"
+				"\tMTBA:%d\n"
+				"\tL:%d\n"
+				"\tK:%d\n\n"
+				, TEX1.LCM, TEX1.MXL, TEX1.MMAG, TEX1.MMIN, TEX1.MTBA, TEX1.L, TEX1.K);
+		fprintf(fp, "TEX2\n"
+				"\tPSM:%d\n"
+				"\tCBP:%d\n"
+				"\tCPSM:%d\n"
+				"\tCSM:%d\n"
+				"\tCSA:%d\n"
+				"\tCLD:%d\n\n"
+				, TEX2.PSM, TEX2.CBP, TEX2.CPSM, TEX2.CSM, TEX2.CSA, TEX2.CLD);
+		fprintf(fp, "CLAMP\n"
+				"\tWMS:%d\n"
+				"\tWMT:%d\n"
+				"\tMINU:%d\n"
+				"\tMAXU:%d\n"
+				"\tMAXV:%d\n"
+				"\tMINV:%lld\n\n"
+				, CLAMP.WMS, CLAMP.WMT, CLAMP.MINU, CLAMP.MAXU, CLAMP.MAXV, CLAMP.MINV);
+		// TODO mimmap? (yes I'm lazy)
+		fprintf(fp, "SCISSOR\n"
+				"\tX0:%d\n"
+				"\tX1:%d\n"
+				"\tY0:%d\n"
+				"\tY1:%d\n\n"
+				, SCISSOR.SCAX0, SCISSOR.SCAX1, SCISSOR.SCAY0, SCISSOR.SCAY1);
+		fprintf(fp, "ALPHA\n"
+				"\tA:%d\n"
+				"\tB:%d\n"
+				"\tC:%d\n"
+				"\tD:%d\n"
+				"\tFIX:%d\n\n"
+				, ALPHA.A, ALPHA.B, ALPHA.C, ALPHA.D, ALPHA.FIX);
+		fprintf(fp, "TEST\n"
+				"\tATE:%d\n"
+				"\tATST:%d\n"
+				"\tAREF:%d\n"
+				"\tAFAIL:%d\n"
+				"\tDATE:%d\n"
+				"\tDATM:%d\n"
+				"\tZTE:%d\n"
+				"\tZTST:%d\n\n"
+				, TEST.ATE, TEST.ATST, TEST.AREF, TEST.AFAIL, TEST.DATE, TEST.DATM, TEST.ZTE, TEST.ZTST);
+		fprintf(fp, "FBA\n"
+				"\tFBA:%d\n\n"
+				, FBA.FBA);
+		fprintf(fp, "FRAME\n"
+				"\tFBP:%d\n"
+				"\tFBW:%d\n"
+				"\tPSM:%d\n"
+				"\tFBMSK:%d\n\n"
+				, FRAME.FBP, FRAME.FBW, FRAME.PSM, FRAME.FBMSK);
+		fprintf(fp, "ZBUF\n"
+				"\tZBP:%d\n"
+				"\tPSM:%d\n"
+				"\tZMSK:%d\n\n"
+				, ZBUF.ZBP, ZBUF.PSM, ZBUF.ZMSK);
+
+		fclose(fp);
+	}
 };

plugins/GSdx/GSDrawingEnvironment.h

@@ -84,4 +84,43 @@ public:
 		dimx[7] = GSVector4i(DIMX.DM30, 0, DIMX.DM31, 0, DIMX.DM32, 0, DIMX.DM33, 0),
 		dimx[6] = dimx[7].xxzzlh();
 	}
+
+	void Dump(const std::string& filename)
+	{
+		FILE* fp = fopen(filename.c_str(), "wt");
+		if (!fp) return;
+
+		fprintf(fp, "PRIM\n"
+				"\tPRIM:%d\n"
+				"\tIIP:%d\n"
+				"\tTME:%d\n"
+				"\tFGE:%d\n"
+				"\tABE:%d\n"
+				"\tAA1:%d\n"
+				"\tFST:%d\n"
+				"\tCTXT:%d\n"
+				"\tFIX:%d\n\n"
+				, PRIM.PRIM, PRIM.IIP, PRIM.TME, PRIM.FGE, PRIM.ABE, PRIM.AA1, PRIM.FST, PRIM.CTXT, PRIM.FIX);
+
+		fprintf(fp, "PRMODE (when AC=0)\n"
+				"\t_PRIM:%d\n"
+				"\tIIP:%d\n"
+				"\tTME:%d\n"
+				"\tFGE:%d\n"
+				"\tABE:%d\n"
+				"\tAA1:%d\n"
+				"\tFST:%d\n"
+				"\tCTXT:%d\n"
+				"\tFIX:%d\n\n"
+				, PRMODE._PRIM, PRMODE.IIP, PRMODE.TME, PRMODE.FGE, PRMODE.ABE, PRMODE.AA1, PRMODE.FST, PRMODE.CTXT, PRMODE.FIX);
+
+		fprintf(fp, "PRMODECONT\n"
+				"\tAC:%d\n\n"
+				, PRMODECONT.AC);
+
+		// Lots of register TODO but later
+
+		fclose(fp);
+	}
+
 };

plugins/GSdx/GSRendererHW.cpp

@@ -332,9 +332,13 @@ void GSRendererHW::RoundSpriteOffset()
 
 void GSRendererHW::Draw()
 {
-	if(m_dev->IsLost()) return;
-
-	if(GSRenderer::IsBadFrame(m_skip, m_userhacks_skipdraw)) return;
+	if(m_dev->IsLost() || GSRenderer::IsBadFrame(m_skip, m_userhacks_skipdraw)) {
+		if (s_dump) {
+			fprintf(stderr, "Warning skipping a draw call\n");
+			s_n += 3; // Keep it sync with SW renderer
+		}
+		return;
+	}
 
 	GSDrawingEnvironment& env = m_env;
 	GSDrawingContext* context = m_context;
@@ -430,9 +434,15 @@ void GSRendererHW::Draw()
 
 		s_n++;
 
-		if ((s_n - s_saven) > s_savel) {
-			s_dump = 0;
+		static uint64 draw_call = 0; // Redundant with s_n but easier to map in GL debug tool
+		if (s_n >= s_saven) {
+			// Dump Register state
+			s = format("%05d_context_d%lld.txt", s_n, draw_call);
+
+			m_env.Dump(root_hw+s);
+			m_context->Dump(root_hw+s);
 		}
+		draw_call++;
 	}
 
 	if(m_hacks.m_oi && !(this->*m_hacks.m_oi)(rt->m_texture, ds->m_texture, tex))
@@ -554,6 +564,10 @@ void GSRendererHW::Draw()
 		}
 
 		s_n++;
+
+		if ((s_n - s_saven) > s_savel) {
+			s_dump = 0;
+		}
 	}
 
 	#ifdef DISABLE_HW_TEXTURE_CACHE

plugins/GSdx/GSRendererSW.cpp

@@ -541,6 +541,17 @@ void GSRendererSW::Draw()
 
 		s_n++;
 
+		static uint64 draw_call = 0; // Redundant with s_n but easier to map in GL debug tool
+		if (s_n >= s_saven) {
+			// Dump Register state
+			s = format("%05d_context_d%lld.txt", s_n, draw_call);
+
+			m_env.Dump(root_sw+s);
+			m_context->Dump(root_sw+s);
+		}
+		draw_call++;
+
+
 		Queue(data);
 
 		Sync(3);