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GPU/HW: Rewrite automatic internal resolution selection

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Make it aspect ratio aware, as well as updating when/if the game changes
resolution. Also include the padding area in the OSD/status resolution.
This commit is contained in:
Stenzek
2024-09-20 20:08:01 +10:00
parent e056bcb5ff
commit b5df06a54a
8 changed files with 71 additions and 56 deletions
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25
src/core/gpu.cpp
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@ -125,9 +125,11 @@ void GPU::UpdateSettings(const Settings& old_settings)
m_console_is_pal = System::IsPALRegion();
UpdateCRTCConfig();
}
// Crop mode calls this, so recalculate the display area
UpdateCRTCDisplayParameters();
else if (g_settings.display_crop_mode != old_settings.display_crop_mode)
{
// Crop mode calls this, so recalculate the display area
UpdateCRTCDisplayParameters();
}
if (g_settings.display_scaling != old_settings.display_scaling ||
g_settings.display_deinterlacing_mode != old_settings.display_deinterlacing_mode ||
@ -154,16 +156,16 @@ void GPU::CPUClockChanged()
UpdateCRTCConfig();
}
u32 GPU::GetResolutionScale() const
{
return 1u;
}
void GPU::UpdateResolutionScale()
{
}
std::tuple<u32, u32> GPU::GetEffectiveDisplayResolution(bool scaled /* = true */)
{
return std::tie(m_crtc_state.display_vram_width, m_crtc_state.display_vram_height);
}
std::tuple<u32, u32> GPU::GetFullDisplayResolution(bool scaled /* = true */)
std::tuple<u32, u32> GPU::GetFullDisplayResolution() const
{
return std::tie(m_crtc_state.display_width, m_crtc_state.display_height);
}
@ -789,6 +791,8 @@ void GPU::UpdateCRTCDisplayParameters()
// won't be broken when displayed.
const u8 y_shift = BoolToUInt8(m_GPUSTAT.vertical_interlace && m_GPUSTAT.vertical_resolution);
const u8 height_shift = m_force_progressive_scan ? y_shift : BoolToUInt8(m_GPUSTAT.vertical_interlace);
const u16 old_vram_width = m_crtc_state.display_vram_width;
const u16 old_vram_height = m_crtc_state.display_vram_height;
// Determine screen size.
cs.display_width = (cs.horizontal_visible_end - cs.horizontal_visible_start) / cs.dot_clock_divider;
@ -852,6 +856,9 @@ void GPU::UpdateCRTCDisplayParameters()
std::min(cs.vertical_visible_end, std::max(vertical_display_start, cs.vertical_visible_start)))
<< height_shift;
}
if (cs.display_vram_width != old_vram_width || cs.display_vram_height != old_vram_height)
UpdateResolutionScale();
}
TickCount GPU::GetPendingCRTCTicks() const