Fix an indirect movie texture crash (reset PixelStore)

Simplify texture handling: m_ID is const (can't be changed after
load at all); preference overrides are handled in RageTexture;
reloads no longer need a parameter

stepmania/src/RageBitmapTexture.cpp

@@ -117,9 +117,9 @@ RageBitmapTexture::~RageBitmapTexture()
 		glDeleteTextures(1, &m_uGLTextureID);
 }
 
-void RageBitmapTexture::Reload( RageTextureID ID )
+void RageBitmapTexture::Reload()
 {
-	RageTexture::Reload(ID);
+	RageTexture::Reload();
 	DISPLAY->SetTexture(0);
 
 	if(m_uGLTextureID) 

stepmania/src/RageBitmapTexture.h

@@ -23,7 +23,7 @@ public:
 	virtual ~RageBitmapTexture();
 	/* only called by RageTextureManager::InvalidateTextures */
 	virtual void Invalidate() { m_uGLTextureID = 0; }
-	virtual void Reload( RageTextureID name );
+	virtual void Reload();
 
 private:
 	void Create();	// called by constructor and Reload

stepmania/src/RageMovieTexture.cpp

@@ -79,7 +79,7 @@ RageMovieTexture::~RageMovieTexture()
 		glDeleteTextures(1, &m_uGLTextureID);
 }
 
-void RageMovieTexture::Reload( RageTextureID ID )
+void RageMovieTexture::Reload()
 {
 	// do nothing
 }
@@ -116,6 +116,9 @@ void RageMovieTexture::Update(float fDeltaTime)
 		min(m_iSourceHeight, m_iTextureHeight),
 		GL_BGR, GL_UNSIGNED_BYTE, buffer);
 
+	/* Must unset PixelStore when we're done! */
+	glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
+	glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
 	glFlush();
 }
 

stepmania/src/RageMovieTexture.h

@@ -47,7 +47,7 @@ public:
 	virtual ~RageMovieTexture();
 	void Update(float fDeltaTime);
 
-	virtual void Reload( RageTextureID ID );
+	virtual void Reload();
 
 	virtual void Play();
 	virtual void Pause();

stepmania/src/RageTexture.cpp

@@ -21,7 +21,7 @@ void RageTextureID::Init()
 	iAlphaBits = 4;
 	bDither = false;
 	bStretch = false;
-	iColorDepth = TEXTUREMAN->GetTextureColorDepth();
+	iColorDepth = -1; /* default */
 	bHotPinkColorKey = false;
 }
 
@@ -39,19 +39,36 @@ bool RageTextureID::equal(const RageTextureID &rhs) const
 }
 
 
-RageTexture::RageTexture( RageTextureID name )
+RageTexture::RageTexture( RageTextureID name ):
+	m_ID(name)
 {
 //	LOG->Trace( "RageTexture::RageTexture()" );
 
-	m_ID = m_ActualID = name;
 	m_iRefCount = 1;
 
+	SetActualID();
 	m_iSourceWidth = m_iSourceHeight = 0;
 	m_iTextureWidth = m_iTextureHeight = 0;
 	m_iImageWidth = m_iImageHeight = 0;
 	m_iFramesWide = m_iFramesHigh = 0;
 }
 
+
+/* Set the initial ActualID; this is what the actual texture will start
+ * from. */
+void RageTexture::SetActualID()
+{
+	m_ActualID = m_ID;
+
+	/* Texture color depth preference can be overridden. */
+	if(m_ID.iColorDepth == -1)
+		m_ActualID.iColorDepth = TEXTUREMAN->GetTextureColorDepth();
+
+	/* The max texture size can never be higher than the preference,
+	 * since it might be set to something to fix driver problems. */
+	m_ActualID.iMaxSize = min(m_ActualID.iMaxSize, TEXTUREMAN->GetMaxTextureResolution());
+}
+
 RageTexture::~RageTexture()
 {
 

stepmania/src/RageTexture.h

@@ -51,7 +51,7 @@ public:
 	RageTexture( RageTextureID file );
 	virtual ~RageTexture() = 0;
 	virtual void Update( float fDeltaTime ) {}
-	virtual void Reload( RageTextureID ID ) { m_ID = m_ActualID = ID; }
+	virtual void Reload() { SetActualID(); }
 	virtual void Invalidate() { }	/* only called by RageTextureManager::InvalidateTextures */
 	virtual unsigned int GetGLTextureID() = 0;	// accessed by RageDisplay
 
@@ -99,7 +99,9 @@ public:
 
 private:
 	/* The file we were asked to load.  (This is never changed.) */
-	RageTextureID m_ID;
+	const RageTextureID m_ID;
+
+	void SetActualID();
 
 protected:
 	/* We might change settings when loading (due to hints, hardware

stepmania/src/RageTextureManager.cpp

@@ -88,8 +88,6 @@ RageTexture* RageTextureManager::LoadTexture( RageTextureID ID )
 	}
 
 	// the texture is not already loaded.  Load it.
-	ID.iColorDepth = TEXTUREMAN->GetTextureColorDepth();
-	ID.iMaxSize = TEXTUREMAN->GetMaxTextureResolution();
 
 	CString sDir, sFName, sExt;
 	splitpath( ID.filename, sDir, sFName, sExt );
@@ -200,24 +198,7 @@ void RageTextureManager::ReloadAll()
 	for( std::map<RageTextureID, RageTexture*>::iterator i = m_mapPathToTexture.begin();
 		i != m_mapPathToTexture.end(); ++i)
 	{
-		RageTexture* pTexture = i->second;
-
-		/* A note on how this really works:
-		 *
-		 * The ID identifies a texture, and all of the parameters needed
-		 * to produce it.  When we load a texture, iColorDepth is pulled
-		 * from GetTextureColorDepth().  Now we're reloading it, probably
-		 * due to a change in display settings, so we need to update that
-		 * to the current setting and reload it.  This will also change
-		 * the data in our map (which is OK; it's not part of the ordering)
-		 * to reflect this. */
-
-		/* Update the settings that are based on preferences. */
-		RageTextureID ID = i->first;
-		ID.iColorDepth = TEXTUREMAN->GetTextureColorDepth();
-		ID.iMaxSize = TEXTUREMAN->GetMaxTextureResolution();
-
-		pTexture->Reload( ID );
+		i->second->Reload();
 	}
 }