From 5a3f19aeaf11575f142d9fdd2a90a96572b0ea7c Mon Sep 17 00:00:00 2001
From: slx7R4GDZM <slx7R4GDZM@hotmail.com>
Date: Tue, 14 Oct 2014 22:21:36 -0400
Subject: [PATCH] Fix XFB scaling in D3D

---
 Source/Core/VideoBackends/D3D/Render.cpp     | 16 ++++++++--------
 Source/Core/VideoBackends/D3D/Television.cpp |  6 +++---
 Source/Core/VideoBackends/D3D/Television.h   |  2 +-
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/Source/Core/VideoBackends/D3D/Render.cpp b/Source/Core/VideoBackends/D3D/Render.cpp
index 645160abda..2c059042c4 100644
--- a/Source/Core/VideoBackends/D3D/Render.cpp
+++ b/Source/Core/VideoBackends/D3D/Render.cpp
@@ -721,7 +721,7 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
 	}
 
 	u32 xfbCount = 0;
-	const XFBSourceBase* const* xfbSourceList = FramebufferManager::GetXFBSource(xfbAddr, fbWidth, fbHeight, &xfbCount);
+	const XFBSourceBase* const* xfbSourceList = FramebufferManager::GetXFBSource(xfbAddr, fbStride, fbHeight, &xfbCount);
 	if ((!xfbSourceList || xfbCount == 0) && g_ActiveConfig.bUseXFB && !g_ActiveConfig.bUseRealXFB)
 	{
 		if (g_ActiveConfig.bDumpFrames && !frame_data.empty())
@@ -763,7 +763,7 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
 	if (g_ActiveConfig.bUseXFB && g_ActiveConfig.bUseRealXFB)
 	{
 		// TODO: Television should be used to render Virtual XFB mode as well.
-		s_television.Submit(xfbAddr, fbWidth, fbHeight);
+		s_television.Submit(xfbAddr, fbStride, fbWidth, fbHeight);
 		s_television.Render();
 	}
 	else if (g_ActiveConfig.bUseXFB)
@@ -795,12 +795,12 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
 				// use virtual xfb with offset
 				int xfbHeight = xfbSource->srcHeight;
 				int xfbWidth = xfbSource->srcWidth;
-				int hOffset = ((s32)xfbSource->srcAddr - (s32)xfbAddr) / ((s32)fbWidth * 2);
+				int hOffset = ((s32)xfbSource->srcAddr - (s32)xfbAddr) / ((s32)fbStride * 2);
 
 				drawRc.top = 1.0f - (2.0f * (hOffset) / (float)fbHeight);
 				drawRc.bottom = 1.0f - (2.0f * (hOffset + xfbHeight) / (float)fbHeight);
-				drawRc.left = -(xfbWidth / (float)fbWidth);
-				drawRc.right = (xfbWidth / (float)fbWidth);
+				drawRc.left = -(xfbWidth / (float)fbStride);
+				drawRc.right = (xfbWidth / (float)fbStride);
 
 				// The following code disables auto stretch.  Kept for reference.
 				// scale draw area for a 1 to 1 pixel mapping with the draw target
@@ -946,7 +946,7 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
 	UpdateActiveConfig();
 	TextureCache::OnConfigChanged(g_ActiveConfig);
 
-	SetWindowSize(fbWidth, fbHeight);
+	SetWindowSize(fbStride, fbHeight);
 
 	const bool windowResized = CheckForResize();
 	const bool fullscreen = g_ActiveConfig.bFullscreen &&
@@ -968,10 +968,10 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
 
 	bool xfbchanged = false;
 
-	if (FramebufferManagerBase::LastXfbWidth() != fbWidth || FramebufferManagerBase::LastXfbHeight() != fbHeight)
+	if (FramebufferManagerBase::LastXfbWidth() != fbStride || FramebufferManagerBase::LastXfbHeight() != fbHeight)
 	{
 		xfbchanged = true;
-		unsigned int w = (fbWidth < 1 || fbWidth > MAX_XFB_WIDTH) ? MAX_XFB_WIDTH : fbWidth;
+		unsigned int w = (fbStride < 1 || fbStride > MAX_XFB_WIDTH) ? MAX_XFB_WIDTH : fbStride;
 		unsigned int h = (fbHeight < 1 || fbHeight > MAX_XFB_HEIGHT) ? MAX_XFB_HEIGHT : fbHeight;
 		FramebufferManagerBase::SetLastXfbWidth(w);
 		FramebufferManagerBase::SetLastXfbHeight(h);
diff --git a/Source/Core/VideoBackends/D3D/Television.cpp b/Source/Core/VideoBackends/D3D/Television.cpp
index f24a3dcb06..94904c8e1f 100644
--- a/Source/Core/VideoBackends/D3D/Television.cpp
+++ b/Source/Core/VideoBackends/D3D/Television.cpp
@@ -126,7 +126,7 @@ void Television::Shutdown()
 	SAFE_RELEASE(m_samplerState);
 }
 
-void Television::Submit(u32 xfbAddr, u32 width, u32 height)
+void Television::Submit(u32 xfbAddr, u32 stride, u32 width, u32 height)
 {
 	m_curAddr = xfbAddr;
 	m_curWidth = width;
@@ -134,8 +134,8 @@ void Television::Submit(u32 xfbAddr, u32 width, u32 height)
 
 	// Load data from GameCube RAM to YUYV texture
 	u8* yuyvSrc = Memory::GetPointer(xfbAddr);
-	D3D11_BOX box = CD3D11_BOX(0, 0, 0, width, height, 1);
-	D3D::context->UpdateSubresource(m_yuyvTexture, 0, &box, yuyvSrc, 2*width, 2*width*height);
+	D3D11_BOX box = CD3D11_BOX(0, 0, 0, stride, height, 1);
+	D3D::context->UpdateSubresource(m_yuyvTexture, 0, &box, yuyvSrc, 2*stride, 2*stride*height);
 }
 
 void Television::Render()
diff --git a/Source/Core/VideoBackends/D3D/Television.h b/Source/Core/VideoBackends/D3D/Television.h
index 61f0e3f5f6..e25bb0f571 100644
--- a/Source/Core/VideoBackends/D3D/Television.h
+++ b/Source/Core/VideoBackends/D3D/Television.h
@@ -27,7 +27,7 @@ public:
 	// Submit video data to be drawn. This will change the current state of the
 	// TV. xfbAddr points to YUYV data stored in GameCube/Wii RAM, but the XFB
 	// may be virtualized when rendering so the RAM may not actually be read.
-	void Submit(u32 xfbAddr, u32 width, u32 height);
+	void Submit(u32 xfbAddr, u32 stride, u32 width, u32 height);
 
 	// Render the current state of the TV.
 	void Render();