fixed some graphics problems with loading savestates (for example, wrong colors on title screen of metroid prime 3)

Source/Core/VideoCommon/Src/BPFunctions.cpp

@@ -39,7 +39,7 @@ void FlushPipeline()
 	VertexManager::Flush();
 }
 
-void SetGenerationMode(const BPCmd &bp)
+void SetGenerationMode()
 {
 	g_renderer->SetGenerationMode();
 }
@@ -64,30 +64,30 @@ void SetScissor()
 	g_renderer->SetScissorRect(trc);
 }
 
-void SetLineWidth(const BPCmd &bp)
+void SetLineWidth()
 {
 	g_renderer->SetLineWidth();
 }
 
-void SetDepthMode(const BPCmd &bp)
+void SetDepthMode()
 {
 	g_renderer->SetDepthMode();
 }
 
-void SetBlendMode(const BPCmd &bp)
+void SetBlendMode()
 {
 	g_renderer->SetBlendMode(false);
 }
-void SetDitherMode(const BPCmd &bp)
+void SetDitherMode()
 {
 	g_renderer->SetDitherMode();
 }
-void SetLogicOpMode(const BPCmd &bp)
+void SetLogicOpMode()
 {
 	g_renderer->SetLogicOpMode();
 }
 
-void SetColorMask(const BPCmd &bp)
+void SetColorMask()
 {
 	g_renderer->SetColorMask();
 }
@@ -119,7 +119,7 @@ void CopyEFB(u32 dstAddr, unsigned int dstFormat, unsigned int srcFormat,
 		- convert the RGBA8 color to RGBA6/RGB8/RGB565 and convert it to RGBA8 again
 		- convert the Z24 depth value to Z16 and back to Z24
 */
-void ClearScreen(const BPCmd &bp, const EFBRectangle &rc)
+void ClearScreen(const EFBRectangle &rc)
 {
 	bool colorEnable = bpmem.blendmode.colorupdate;
 	bool alphaEnable = bpmem.blendmode.alphaupdate;
@@ -152,7 +152,7 @@ void ClearScreen(const BPCmd &bp, const EFBRectangle &rc)
 	}
 }
 
-void OnPixelFormatChange(const BPCmd &bp)
+void OnPixelFormatChange()
 {
 	int convtype = -1;
 

Source/Core/VideoCommon/Src/BPFunctions.h

@@ -37,18 +37,18 @@ enum
 };
 
 void FlushPipeline();
-void SetGenerationMode(const BPCmd &bp);
+void SetGenerationMode();
 void SetScissor();
-void SetLineWidth(const BPCmd &bp);
-void SetDepthMode(const BPCmd &bp);
-void SetBlendMode(const BPCmd &bp);
-void SetDitherMode(const BPCmd &bp);
-void SetLogicOpMode(const BPCmd &bp);
-void SetColorMask(const BPCmd &bp);
+void SetLineWidth();
+void SetDepthMode();
+void SetBlendMode();
+void SetDitherMode();
+void SetLogicOpMode();
+void SetColorMask();
 void CopyEFB(u32 dstAddr, unsigned int dstFormat, unsigned int srcFormat,
 	const EFBRectangle& srcRect, bool isIntensity, bool scaleByHalf);
-void ClearScreen(const BPCmd &bp, const EFBRectangle &rc);
-void OnPixelFormatChange(const BPCmd &bp);
+void ClearScreen(const EFBRectangle &rc);
+void OnPixelFormatChange();
 u8 *GetPointer(const u32 &address);
 bool GetConfig(const int &type);
 void SetTextureMode(const BPCmd &bp);

Source/Core/VideoCommon/Src/BPMemory.cpp

@@ -43,31 +43,6 @@ void LoadBPReg(u32 value0)
 	BPWritten(bp);
 }
 
-// Called when loading a saved state.
-// Needs more testing though.
-void BPReload()
-{
-	for (int i = 0; i < 254; i++)
-	{
-		switch (i) 
-		{
-		case BPMEM_BLENDMODE:
-		case BPMEM_SETDRAWDONE:
-		case BPMEM_TRIGGER_EFB_COPY:
-		case BPMEM_LOADTLUT1:
-		case BPMEM_PERF1:
-		case BPMEM_PE_TOKEN_ID:
-		case BPMEM_PE_TOKEN_INT_ID:
-			// Cases in which we DON'T want to reload the BP
-			continue;
-		default:
-			BPCmd bp = {i, 0xFFFFFF, static_cast<int>(((u32*)&bpmem)[i])};
-			BPWritten(bp);
-		}
-	}
-}
-
-
 void GetBPRegInfo(const u8* data, char* name, size_t name_size, char* desc, size_t desc_size)
 {
 	const char* no_yes[2] = { "No", "Yes" };

Source/Core/VideoCommon/Src/BPStructs.cpp

@@ -160,7 +160,7 @@ void BPWritten(const BPCmd& bp)
 			bpmem.genMode.numtexgens, bpmem.genMode.numcolchans,
 			bpmem.genMode.ms_en, bpmem.genMode.numtevstages+1, bpmem.genMode.cullmode,
 			bpmem.genMode.numindstages, bpmem.genMode.zfreeze);
-			SetGenerationMode(bp);
+			SetGenerationMode();
 			break;
 		}
 	case BPMEM_IND_MTXA: // Index Matrix Changed
@@ -188,12 +188,12 @@ void BPWritten(const BPCmd& bp)
 		SetScissor();
 		break;
 	case BPMEM_LINEPTWIDTH: // Line Width
-		SetLineWidth(bp);
+		SetLineWidth();
 		break;
 	case BPMEM_ZMODE: // Depth Control
 		PRIM_LOG("zmode: test=%d, func=%d, upd=%d", bpmem.zmode.testenable, bpmem.zmode.func,
 		bpmem.zmode.updateenable);
-		SetDepthMode(bp);
+		SetDepthMode();
 		break;
 	case BPMEM_BLENDMODE: // Blending Control
 		{
@@ -204,16 +204,16 @@ void BPWritten(const BPCmd& bp)
 					bpmem.blendmode.dstfactor, bpmem.blendmode.srcfactor, bpmem.blendmode.subtract, bpmem.blendmode.logicmode);
 				// Set LogicOp Blending Mode
 				if (bp.changes & 2)
-					SetLogicOpMode(bp);
+					SetLogicOpMode();
 				// Set Dithering Mode
 				if (bp.changes & 4)
-					SetDitherMode(bp);
+					SetDitherMode();
 				// Set Blending Mode
 				if (bp.changes & 0xFE1)
-					SetBlendMode(bp);
+					SetBlendMode();
 				// Set Color Mask
 				if (bp.changes & 0x18)
-					SetColorMask(bp);
+					SetColorMask();
 			}
 			break;
 		}
@@ -306,7 +306,7 @@ void BPWritten(const BPCmd& bp)
 			// Clear the rectangular region after copying it.
 			if (PE_copy.clear)
 			{
-				ClearScreen(bp, rc);
+				ClearScreen(rc);
 			}
 
 			break;
@@ -455,7 +455,7 @@ void BPWritten(const BPCmd& bp)
 
 	case BPMEM_ZCOMPARE:      // Set the Z-Compare and EFB pixel format
 		g_renderer->SetColorMask(); // alpha writing needs to be disabled if the new pixel format doesn't have an alpha channel
-		OnPixelFormatChange(bp);
+		OnPixelFormatChange();
 		break;
 
 	case BPMEM_MIPMAP_STRIDE: // MipMap Stride Channel
@@ -680,3 +680,35 @@ void BPWritten(const BPCmd& bp)
 }
 }
 
+// Called when loading a saved state.
+void BPReload()
+{
+	// restore anything that goes straight to the renderer.
+	// let's not risk actually replaying any writes.
+	// note that PixelShaderManager is already covered since it has its own DoState.
+	SetGenerationMode();
+	SetScissor();
+	SetLineWidth();
+	SetDepthMode();
+	SetLogicOpMode();
+	SetDitherMode();
+	SetBlendMode();
+	SetColorMask();
+	OnPixelFormatChange();
+	{
+		BPCmd bp = {BPMEM_TX_SETMODE0, 0xFFFFFF, ((u32*)&bpmem)[BPMEM_TX_SETMODE0]};
+		SetTextureMode(bp);
+	}
+	{
+		BPCmd bp = {BPMEM_TX_SETMODE0_4, 0xFFFFFF, ((u32*)&bpmem)[BPMEM_TX_SETMODE0_4]};
+		SetTextureMode(bp);
+	}
+	{
+		BPCmd bp = {BPMEM_FIELDMASK, 0xFFFFFF, ((u32*)&bpmem)[BPMEM_FIELDMASK]};
+		SetInterlacingMode(bp);
+	}
+	{
+		BPCmd bp = {BPMEM_FIELDMODE, 0xFFFFFF, ((u32*)&bpmem)[BPMEM_FIELDMODE]};
+		SetInterlacingMode(bp);
+	}
+}

Source/Core/VideoCommon/Src/MainBase.cpp

@@ -185,10 +185,6 @@ void VideoBackendHardware::InitializeShared()
 // Run from the CPU thread
 void VideoBackendHardware::DoState(PointerWrap& p)
 {
-	// Clear all caches that touch RAM
-	TextureCache::Invalidate(false);
-	VertexLoaderManager::MarkAllDirty();
-
 	VideoCommon_DoState(p);
 
 	// Refresh state.
@@ -196,6 +192,11 @@ void VideoBackendHardware::DoState(PointerWrap& p)
 	{
 		BPReload();
 		RecomputeCachedArraybases();
+
+		// Clear all caches that touch RAM
+		// (? these don't appear to touch any emulation state that gets saved. moved to on load only.)
+		TextureCache::Invalidate(false);
+		VertexLoaderManager::MarkAllDirty();
 	}
 }
 

Source/Core/VideoCommon/Src/PixelShaderManager.cpp

@@ -465,3 +465,16 @@ void PixelShaderManager::SetMaterialColorChanged(int index)
 {
 	nMaterialsChanged  |= (1 << index);
 }
+
+void PixelShaderManager::DoState(PointerWrap &p)
+{
+	p.Do(lastRGBAfull);
+	p.Do(lastAlpha);
+	p.Do(lastTexDims);
+	p.Do(lastZBias);
+
+	if (p.GetMode() == PointerWrap::MODE_READ)
+	{
+		Dirty();
+	}
+}

Source/Core/VideoCommon/Src/PixelShaderManager.h

@@ -22,6 +22,8 @@
 #include "XFMemory.h"
 #include "PixelShaderGen.h"
 
+class PointerWrap;
+
 // The non-API dependent parts.
 class PixelShaderManager
 {
@@ -30,6 +32,7 @@ public:
 	static void Init();
 	static void Dirty();
 	static void Shutdown();
+	static void DoState(PointerWrap &p);
 
 	static void SetConstants(); // sets pixel shader constants
 

Source/Core/VideoCommon/Src/VertexShaderManager.cpp

@@ -616,3 +616,18 @@ void VertexShaderManager::ResetView()
 
 	bProjectionChanged = true;
 }
+
+void VertexShaderManager::DoState(PointerWrap &p)
+{
+	p.Do(g_fProjectionMatrix);
+	p.Do(s_viewportCorrection);
+	p.Do(s_viewRotationMatrix);
+	p.Do(s_viewInvRotationMatrix);
+	p.Do(s_fViewTranslationVector);
+	p.Do(s_fViewRotation);
+
+	if (p.GetMode() == PointerWrap::MODE_READ)
+	{
+		Dirty();
+	}
+}

Source/Core/VideoCommon/Src/VertexShaderManager.h

@@ -20,6 +20,8 @@
 
 #include "VertexShaderGen.h"
 
+class PointerWrap;
+
 struct ProjectionHack
 {
 	float sign;
@@ -38,7 +40,8 @@ public:
 	static void Init();
 	static void Dirty();
 	static void Shutdown();
-
+	static void DoState(PointerWrap &p);
+;
 	// constant management
 	static void SetConstants();
 

Source/Core/VideoCommon/Src/VideoState.cpp

@@ -24,6 +24,8 @@
 #include "Fifo.h"
 #include "CommandProcessor.h"
 #include "PixelEngine.h"
+#include "PixelShaderManager.h"
+#include "VertexShaderManager.h"
 
 static void DoState(PointerWrap &p)
 {
@@ -48,12 +50,17 @@ static void DoState(PointerWrap &p)
 
     CommandProcessor::DoState(p);
     PixelEngine::DoState(p);
+
+	// the old way of replaying current bpmem as writes to push side effects to pixel shader manager doesn't really work.
+	PixelShaderManager::DoState(p);
+	VertexShaderManager::DoState(p);
+
+	// TODO: search for more data that should be saved and add it here
 }
 
 void VideoCommon_DoState(PointerWrap &p)
 {
     DoState(p);
-	//TODO: search for more data that should be saved and add it here
 }
 
 void VideoCommon_RunLoop(bool enable)