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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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7
src/core/gpu_hw_opengl.cpp
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@ -580,7 +580,7 @@ void GPU_HW_OpenGL::UpdateDisplay()
else
{
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 scaled_vram_offset_x = vram_offset_x * m_resolution_scale;
const u32 scaled_vram_offset_y = vram_offset_y * m_resolution_scale;
const u32 display_width = m_crtc_state.display_vram_width;
@ -613,10 +613,9 @@ void GPU_HW_OpenGL::UpdateDisplay()
m_vram_texture.Bind();
const u8 height_div2 = BoolToUInt8(interlaced == GPU_HW::InterlacedRenderMode::SeparateFields);
const u32 flipped_vram_offset_y = VRAM_HEIGHT - vram_offset_y - (display_height >> height_div2);
const u32 scaled_flipped_vram_offset_y =
m_vram_texture.GetHeight() - scaled_vram_offset_y - (scaled_display_height >> height_div2);
const u32 reinterpret_field_offset = GetInterlacedDisplayField();
const u32 scaled_flipped_vram_offset_y = m_vram_texture.GetHeight() - scaled_vram_offset_y -
reinterpret_field_offset - (scaled_display_height >> height_div2);
const u32 reinterpret_start_x = m_crtc_state.regs.X * m_resolution_scale;
const u32 reinterpret_crop_left = (m_crtc_state.display_vram_left - m_crtc_state.regs.X) * m_resolution_scale;
const u32 uniforms[4] = {reinterpret_start_x, scaled_flipped_vram_offset_y, reinterpret_crop_left,