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GPU/HW: Interlace at native resolution rather than 1x

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Also fixes screen bobbing when interlacing is disabled.
This commit is contained in:
Connor McLaughlin
2020-05-27 00:27:25 +10:00
parent 23436f08ba
commit 445bd02cad
4 changed files with 14 additions and 17 deletions
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12
src/core/gpu_sw.cpp
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@ -157,7 +157,7 @@ void GPU_SW::UpdateDisplay()
}
const u32 vram_offset_x = m_crtc_state.display_vram_left;
const u32 vram_offset_y = m_crtc_state.display_vram_top + GetActiveLineLSB();
const u32 vram_offset_y = m_crtc_state.display_vram_top;
const u32 display_width = m_crtc_state.display_vram_width;
const u32 display_height = m_crtc_state.display_vram_height;
const u32 texture_offset_x = m_crtc_state.display_vram_left - m_crtc_state.regs.X;
@ -166,15 +166,13 @@ void GPU_SW::UpdateDisplay()
const u32 field = GetInterlacedDisplayField();
if (m_GPUSTAT.display_area_color_depth_24)
{
CopyOut24Bit(m_crtc_state.regs.X, vram_offset_y,
m_display_texture_buffer.data() + field * VRAM_WIDTH, VRAM_WIDTH, display_width + texture_offset_x,
display_height, true, m_GPUSTAT.vertical_resolution);
CopyOut24Bit(m_crtc_state.regs.X, vram_offset_y + field, m_display_texture_buffer.data() + field * VRAM_WIDTH,
VRAM_WIDTH, display_width + texture_offset_x, display_height, true, m_GPUSTAT.vertical_resolution);
}
else
{
CopyOut15Bit(m_crtc_state.regs.X, vram_offset_y,
m_display_texture_buffer.data() + field * VRAM_WIDTH, VRAM_WIDTH, display_width + texture_offset_x,
display_height, true, m_GPUSTAT.vertical_resolution);
CopyOut15Bit(m_crtc_state.regs.X, vram_offset_y + field, m_display_texture_buffer.data() + field * VRAM_WIDTH,
VRAM_WIDTH, display_width + texture_offset_x, display_height, true, m_GPUSTAT.vertical_resolution);
}
}
else