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GPU: Handle VRAM wrap-around behavior on scanout

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This commit is contained in:
Connor McLaughlin
2020-04-11 16:09:03 +10:00
parent fc3efebb38
commit 9e024b7a51
6 changed files with 131 additions and 74 deletions
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10
src/core/gpu_hw_d3d11.cpp
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@ -553,7 +553,9 @@ void GPU_HW_D3D11::UpdateDisplay()
{
m_host_display->ClearDisplayTexture();
}
else if (!m_GPUSTAT.display_area_color_depth_24 && !interlaced)
else if (!m_GPUSTAT.display_area_color_depth_24 && !interlaced &&
(scaled_vram_offset_x + scaled_display_width) <= m_vram_texture.GetWidth() &&
(scaled_vram_offset_y + scaled_vram_offset_y <= m_vram_texture.GetHeight()))
{
m_host_display->SetDisplayTexture(m_vram_texture.GetD3DSRV(), m_vram_texture.GetWidth(),
m_vram_texture.GetHeight(), scaled_vram_offset_x, scaled_vram_offset_y,
@ -567,15 +569,15 @@ void GPU_HW_D3D11::UpdateDisplay()
const u32 reinterpret_field_offset = GetInterlacedField();
const u32 reinterpret_start_x = m_crtc_state.regs.X * m_resolution_scale;
const u32 reinterpret_width = scaled_display_width + (m_crtc_state.display_vram_left - m_crtc_state.regs.X);
const u32 uniforms[4] = {reinterpret_field_offset, reinterpret_start_x};
const u32 uniforms[4] = {reinterpret_start_x, scaled_vram_offset_y, reinterpret_field_offset};
ID3D11PixelShader* display_pixel_shader =
m_display_pixel_shaders[BoolToUInt8(m_GPUSTAT.display_area_color_depth_24)][BoolToUInt8(interlaced)].Get();
SetViewportAndScissor(reinterpret_start_x, scaled_vram_offset_y, reinterpret_width, scaled_display_height);
SetViewportAndScissor(0, reinterpret_field_offset, reinterpret_width, scaled_display_height);
DrawUtilityShader(display_pixel_shader, uniforms, sizeof(uniforms));
m_host_display->SetDisplayTexture(m_display_texture.GetD3DSRV(), m_display_texture.GetWidth(),
m_display_texture.GetHeight(), scaled_vram_offset_x, scaled_vram_offset_y,
m_display_texture.GetHeight(), scaled_vram_offset_x - reinterpret_start_x, 0,
scaled_display_width, scaled_display_height);
RestoreGraphicsAPIState();