GS: Correct SetScaling when ignoring offsets (FB size)

This commit is contained in:
refractionpcsx2 2022-04-18 00:35:59 +01:00
parent d1470a9935
commit 9292ceedb1
1 changed files with 36 additions and 1 deletions

View File

@ -41,7 +41,42 @@ GSRendererHW::GSRendererHW()
void GSRendererHW::SetScaling()
{
const GSVector2i crtc_size(GetResolution());
GSVector2i crtc_size(GetResolution());
// Correct framebuffer size to get output size when offsets not considered (uses framebuffer height)
if (!GSConfig.PCRTCOffsets)
{
const int videomode = static_cast<int>(GetVideoMode()) - 1;
int display_width = (VideoModeDividers[videomode].z + 1) / GetDisplayHMagnification();
int display_height = VideoModeOffsets[videomode].y;
if (isinterlaced() && !m_regs->SMODE2.FFMD)
display_height *= 2;
if (crtc_size.x < display_width || crtc_size.y < display_height)
{
GSVector2i display_baseline = { 4096, 4096 };
for (int i = 0; i < 2; i++)
{
if (IsEnabled(i))
{
GSVector4i dr = GetDisplayRect(i);
GSVector2i display_diff(dr.left - display_baseline.x, dr.top - display_baseline.y);
if (display_diff.x != 0 && abs(display_diff.x) < 4 && crtc_size.x < display_width)
crtc_size.x -= display_diff.x;
if (display_diff.y != 0 && abs(display_diff.y) < 4 && crtc_size.y < display_height)
crtc_size.y -= display_diff.y;
display_baseline.x = std::min(dr.left, display_baseline.x);
display_baseline.y = std::min(dr.top, display_baseline.y);
}
}
}
}
// Details of (potential) perf impact of a big framebuffer
// 1/ extra memory