dolphin/Source/Core/VideoBackends/Software/EfbCopy.cpp

100 lines
2.0 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "BPMemLoader.h"
#include "EfbCopy.h"
#include "EfbInterface.h"
#include "SWRenderer.h"
#include "TextureEncoder.h"
#include "SWStatistics.h"
#include "SWVideoConfig.h"
#include "DebugUtil.h"
#include "HwRasterizer.h"
#include "SWCommandProcessor.h"
#include "HW/Memmap.h"
#include "Core.h"
namespace EfbCopy
{
void CopyToXfb()
{
GLInterface->Update(); // just updates the render window position and the backbuffer size
if (!g_SWVideoConfig.bHwRasterizer)
{
// copy to open gl for rendering
EfbInterface::UpdateColorTexture();
SWRenderer::DrawTexture(EfbInterface::efbColorTexture, EFB_WIDTH, EFB_HEIGHT);
}
SWRenderer::SwapBuffer();
}
void CopyToRam()
{
if (!g_SWVideoConfig.bHwRasterizer)
{
u8 *dest_ptr = Memory::GetPointer(bpmem.copyTexDest << 5);
TextureEncoder::Encode(dest_ptr);
}
}
void ClearEfb()
{
u32 clearColor = (bpmem.clearcolorAR & 0xff) << 24 | bpmem.clearcolorGB << 8 | (bpmem.clearcolorAR & 0xff00) >> 8;
int left = bpmem.copyTexSrcXY.x;
int top = bpmem.copyTexSrcXY.y;
int right = left + bpmem.copyTexSrcWH.x;
int bottom = top + bpmem.copyTexSrcWH.y;
for (u16 y = top; y <= bottom; y++)
{
for (u16 x = left; x <= right; x++)
{
EfbInterface::SetColor(x, y, (u8*)(&clearColor));
EfbInterface::SetDepth(x, y, bpmem.clearZValue);
}
}
}
void CopyEfb()
{
if (bpmem.triggerEFBCopy.copy_to_xfb)
DebugUtil::OnFrameEnd();
if (!g_bSkipCurrentFrame)
{
if (bpmem.triggerEFBCopy.copy_to_xfb)
{
CopyToXfb();
Core::Callback_VideoCopiedToXFB(true);
swstats.frameCount++;
}
else
{
CopyToRam();
}
if (bpmem.triggerEFBCopy.clear)
{
if (g_SWVideoConfig.bHwRasterizer)
HwRasterizer::Clear();
else
ClearEfb();
}
}
else
{
if (bpmem.triggerEFBCopy.copy_to_xfb)
{
// no frame rendered but tell that a frame has finished for frame skip counter
Core::Callback_VideoCopiedToXFB(false);
}
}
}
}