Play-/Source/win32ui/FrameDebugger/GsContextView.cpp

#include "GsContextView.h"
#include "GsStateUtils.h"
#include "../../GsPixelFormats.h"
#include "win32/VerticalSplitter.h"

void TexUploader_Psm8(CGSHandler* gs, Framework::CBitmap& dst, const CGSHandler::TEX0& tex0, const CGSHandler::TEXA& texA)
{
	uint32 nPointer			= tex0.GetBufPtr();
	unsigned int nWidth		= tex0.GetWidth();
	unsigned int nHeight	= tex0.GetHeight();
	unsigned int nDstPitch	= dst.GetPitch() / 4;
	uint32* dstBuf			= reinterpret_cast<uint32*>(dst.GetPixels());

	CGsPixelFormats::CPixelIndexorPSMT8 Indexor(gs->GetRam(), nPointer, tex0.nBufWidth);

	for(unsigned int j = 0; j < nHeight; j++)
	{
		for(unsigned int i = 0; i < nWidth; i++)
		{
			uint8 pixel = static_cast<uint8>(Indexor.GetPixel(i, j));
			dstBuf[i] = 
				(static_cast<uint8>(pixel) <<  0) | 
				(static_cast<uint8>(pixel) <<  8) |
				(static_cast<uint8>(pixel) << 16) |
				(0xFF << 24);
		}

		dstBuf += nDstPitch;
	}
}

void TexUploader_Psm8H(CGSHandler* gs, Framework::CBitmap& dst, const CGSHandler::TEX0& tex0, const CGSHandler::TEXA& texA)
{
	uint32 nPointer			= tex0.GetBufPtr();
	unsigned int nWidth		= tex0.GetWidth();
	unsigned int nHeight	= tex0.GetHeight();
	unsigned int nDstPitch	= dst.GetPitch() / 4;
	uint32* dstBuf			= reinterpret_cast<uint32*>(dst.GetPixels());

	CGsPixelFormats::CPixelIndexorPSMCT32 indexor(gs->GetRam(), nPointer, tex0.nBufWidth);

	for(unsigned int j = 0; j < nHeight; j++)
	{
		for(unsigned int i = 0; i < nWidth; i++)
		{
			uint8 pixel = static_cast<uint8>(indexor.GetPixel(i, j) >> 24);
			dstBuf[i] = 
				(static_cast<uint8>(pixel) <<  0) | 
				(static_cast<uint8>(pixel) <<  8) |
				(static_cast<uint8>(pixel) << 16) |
				(0xFF << 24);
		}

		dstBuf += nDstPitch;
	}
}

#define WNDSTYLE (WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN)

CGsContextView::CGsContextView(HWND parent, const RECT& rect)
: m_contextId(0)
{
	Create(0, Framework::Win32::CDefaultWndClass::GetName(), NULL, WNDSTYLE, rect, parent, NULL);
	SetClassPtr();

	m_mainSplitter = std::make_unique<Framework::Win32::CVerticalSplitter>(m_hWnd, GetClientRect());
	m_mainSplitter->SetEdgePosition(0.5f);

	m_textureView = std::make_unique<CPixelBufferView>(*m_mainSplitter, Framework::Win32::CRect(0, 0, 1, 1));
	m_stateView = std::make_unique<CGsContextStateView>(*m_mainSplitter, GetClientRect(), m_contextId);
	m_stateView->Show(SW_SHOW);

	m_mainSplitter->SetChild(0, *m_textureView);
	m_mainSplitter->SetChild(1, *m_stateView);
}

CGsContextView::~CGsContextView()
{

}

void CGsContextView::UpdateState(CGSHandler* gs)
{
	CGSHandler::TEX0 tex0;
	CGSHandler::TEXA texA;
	tex0 <<= gs->GetRegisters()[GS_REG_TEX0_1 + m_contextId];
	texA <<= gs->GetRegisters()[GS_REG_TEXA];

	auto texture = Framework::CBitmap(tex0.GetWidth(), tex0.GetHeight(), 32);
#ifdef _DEBUG
	for(unsigned int i = 0; i < texture.GetPixelsSize() / 4; i++)
	{
		reinterpret_cast<uint32*>(texture.GetPixels())[i] = 
			((rand() % 255) << 0) |
			((rand() % 255) << 8) |
			((rand() % 255) << 16) | 
			(0xFF << 24);
	}
#endif

	switch(tex0.nPsm)
	{
	case CGSHandler::PSMT8:
		TexUploader_Psm8(gs, texture, tex0, texA);
		break;
	case CGSHandler::PSMT8H:
		TexUploader_Psm8H(gs, texture, tex0, texA);
		break;
	}

	m_textureView->SetBitmap(texture);

	m_stateView->UpdateState(gs);
}

long CGsContextView::OnSize(unsigned int, unsigned int, unsigned int)
{
	m_mainSplitter->SetSizePosition(GetClientRect());
	return TRUE;
}