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GS: Rework interlace offsets

This commit is contained in:
refractionpcsx2 2022-06-24 02:54:29 +01:00
parent 56316ffcca
commit 75d57640eb
2 changed files with 23 additions and 31 deletions
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4
pcsx2/GS/Renderers/Common/GSDevice.cpp
View File

@ -378,9 +378,9 @@ void GSDevice::Interlace(const GSVector2i& ds, int field, int mode, float yoffse
if (mode == 0 || mode == 2) // weave or blend
{
// weave first
const int offset = static_cast<int>(yoffset) * field;
const float offset = -yoffset * static_cast<float>(field);
DoInterlace(m_merge, m_weavebob, field, false, GSConfig.DisableInterlaceOffset ? 0 : offset);
DoInterlace(m_merge, m_weavebob, field, false, GSConfig.DisableInterlaceOffset ? 0.0f : offset);
if (mode == 2)
{

50
pcsx2/GS/Renderers/Common/GSRenderer.cpp
View File

@ -172,6 +172,20 @@ bool GSRenderer::Merge(int field)
GSVector2i resolution(GetResolution());
bool scanmask_frame = m_scanmask_used && !display_offset;
const bool ignore_offset = !GSConfig.PCRTCOffsets;
const bool is_bob = GSConfig.InterlaceMode == GSInterlaceMode::BobTFF || GSConfig.InterlaceMode == GSInterlaceMode::BobBFF;
// Use offset for bob deinterlacing always, extra offset added later for FFMD mode.
float offset = is_bob ? (tex[1] ? tex[1]->GetScale().y : tex[0]->GetScale().y) : 0.0f;
int field2 = 0;
int mode = 2;
// FFMD (half frames) requires blend deinterlacing, so automatically use that. Same when SCANMSK is used but not blended in the merge circuit (Alpine Racer 3)
if (GSConfig.InterlaceMode != GSInterlaceMode::Automatic || (!m_regs->SMODE2.FFMD && !scanmask_frame))
{
field2 = ((static_cast<int>(GSConfig.InterlaceMode) - 1) & 1);
mode = ((static_cast<int>(GSConfig.InterlaceMode) - 1) >> 1);
}
for (int i = 0; i < 2; i++)
{
@ -292,6 +306,12 @@ bool GSRenderer::Merge(int field)
// src_out_rect is the resized rect for output. (Not really used)
src_out_rect[i] = (GSVector4(r) * scale) / GSVector4(tex[i]->GetSize()).xyxy();
if (m_regs->SMODE2.FFMD && !is_bob && !GSConfig.DisableInterlaceOffset)
{
interlace_offset += (tex[1] ? tex[1]->GetScale().y : tex[0]->GetScale().y) * static_cast<float>(field ^ field2);
// We're handling the interlacing offset for upscaling in the merge circuit, rather than in the interlacing shader.
offset = 0.0f;
}
// Restore manually offset "interlace" lines
dst[i] += GSVector4(0.0f, interlace_offset, 0.0f, interlace_offset);
}
@ -330,9 +350,7 @@ bool GSRenderer::Merge(int field)
// When interlace(FRAME) mode, the rect is half height, so it needs to be stretched.
if (m_regs->SMODE2.INT && m_regs->SMODE2.FFMD)
{
ds.y *= 2;
}
m_real_size = ds;
@ -349,34 +367,8 @@ bool GSRenderer::Merge(int field)
g_gs_device->Merge(tex, src_gs_read, dst, fs, m_regs->PMODE, m_regs->EXTBUF, c);
// Use offset for bob deinterlacing always, extra offset added later for FFMD mode.
const bool is_bob = GSConfig.InterlaceMode == GSInterlaceMode::BobTFF || GSConfig.InterlaceMode == GSInterlaceMode::BobBFF;
float offset = (!m_regs->SMODE2.FFMD && !is_bob) ? 0 : ((tex[1] ? tex[1]->GetScale().y : tex[0]->GetScale().y));
// Offset accounts for the upscaling interlace offset difference, but we need to also account for the internal framebuffer movement in Frame mode.
if (m_regs->SMODE2.FFMD && !is_bob)
{
offset += 1.0f;
}
if (isReallyInterlaced() && GSConfig.InterlaceMode != GSInterlaceMode::Off)
{
// FFMD (half frames) requires blend deinterlacing, so automatically use that. Same when SCANMSK is used but not blended in the merge circuit (Alpine Racer 3)
if (GSConfig.InterlaceMode == GSInterlaceMode::Automatic && (m_regs->SMODE2.FFMD || scanmask_frame))
{
constexpr int field2 = 0;
constexpr int mode = 2;
g_gs_device->Interlace(ds, field ^ field2, mode, offset);
}
else
{
const int field2 = ((static_cast<int>(GSConfig.InterlaceMode) - 1) & 1);
const int mode = ((static_cast<int>(GSConfig.InterlaceMode) - 1) >> 1);
g_gs_device->Interlace(ds, field ^ field2, mode, offset);
}
}
g_gs_device->Interlace(ds, field ^ field2, mode, offset);
if (GSConfig.ShadeBoost)
{