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GPU/Software: Reduce number of copies by one, enable 16-bit scanout

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This commit is contained in:
Connor McLaughlin
2020-10-22 01:25:33 +10:00
parent beffbaee39
commit d3d881aa6b
20 changed files with 875 additions and 187 deletions
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52
src/frontend-common/d3d11_host_display.cpp
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@ -171,6 +171,58 @@ bool D3D11HostDisplay::DownloadTexture(const void* texture_handle, u32 x, u32 y,
static_cast<u32*>(out_data));
}
static constexpr std::array<DXGI_FORMAT, static_cast<u32>(HostDisplayPixelFormat::Count)>
s_display_pixel_format_mapping = {{DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM,
DXGI_FORMAT_B5G6R5_UNORM, DXGI_FORMAT_B5G5R5A1_UNORM}};
bool D3D11HostDisplay::SupportsDisplayPixelFormat(HostDisplayPixelFormat format) const
{
const DXGI_FORMAT dfmt = s_display_pixel_format_mapping[static_cast<u32>(format)];
if (dfmt == DXGI_FORMAT_UNKNOWN)
return false;
UINT support = 0;
const UINT required = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_SAMPLE;
return (SUCCEEDED(m_device->CheckFormatSupport(dfmt, &support) && ((support & required) == required)));
}
bool D3D11HostDisplay::BeginSetDisplayPixels(HostDisplayPixelFormat format, u32 width, u32 height, void** out_buffer,
u32* out_pitch)
{
ClearDisplayTexture();
const DXGI_FORMAT dxgi_format = s_display_pixel_format_mapping[static_cast<u32>(format)];
if (m_display_pixels_texture.GetWidth() < width || m_display_pixels_texture.GetHeight() < height ||
m_display_pixels_texture.GetFormat() != dxgi_format)
{
if (!m_display_pixels_texture.Create(m_device.Get(), width, height, 1, dxgi_format, D3D11_BIND_SHADER_RESOURCE,
nullptr, 0, true))
{
return false;
}
}
D3D11_MAPPED_SUBRESOURCE sr;
HRESULT hr = m_context->Map(m_display_pixels_texture.GetD3DTexture(), 0, D3D11_MAP_WRITE_DISCARD, 0, &sr);
if (FAILED(hr))
{
Log_ErrorPrintf("Map pixels texture failed: %08X", hr);
return false;
}
*out_buffer = sr.pData;
*out_pitch = sr.RowPitch;
SetDisplayTexture(m_display_pixels_texture.GetD3DSRV(), format, m_display_pixels_texture.GetWidth(),
m_display_pixels_texture.GetHeight(), 0, 0, static_cast<u32>(width), static_cast<u32>(height));
return true;
}
void D3D11HostDisplay::EndSetDisplayPixels()
{
m_context->Unmap(m_display_pixels_texture.GetD3DTexture(), 0);
}
void D3D11HostDisplay::SetVSync(bool enabled)
{
#ifndef LIBRETRO