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D3D: Add 3D vision support.

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This commit is contained in:
Jules Blok
2014-11-14 00:24:53 +01:00
parent e53705784b
commit a689db0e48
7 changed files with 64 additions and 5 deletions
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55
Source/Core/VideoBackends/D3D/Render.cpp
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@ -55,6 +55,18 @@ ID3D11DepthStencilState* resetdepthstate = nullptr;
ID3D11RasterizerState* resetraststate = nullptr;
static ID3D11Texture2D* s_screenshot_texture = nullptr;
static D3DTexture2D* s_3d_vision_texture = nullptr;
typedef struct _Nv_Stereo_Image_Header
{
unsigned int dwSignature;
unsigned int dwWidth;
unsigned int dwHeight;
unsigned int dwBPP;
unsigned int dwFlags;
} NVSTEREOIMAGEHEADER, *LPNVSTEREOIMAGEHEADER;
#define NVSTEREO_IMAGE_SIGNATURE 0x4433564e
// GX pipeline state
struct
@ -183,6 +195,24 @@ void CreateScreenshotTexture(const TargetRectangle& rc)
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_screenshot_texture, "staging screenshot texture");
}
void Create3DVisionTexture(int width, int height)
{
// Create a staging texture for 3D vision with signature information in the last row.
// Nvidia 3D Vision supports full SBS, so there is no loss in resolution during this process.
D3D11_SUBRESOURCE_DATA sysData;
sysData.SysMemPitch = 4 * width * 2;
sysData.pSysMem = new u8[(height + 1) * sysData.SysMemPitch];
LPNVSTEREOIMAGEHEADER header = (LPNVSTEREOIMAGEHEADER)((u8*)sysData.pSysMem + height * sysData.SysMemPitch);
header->dwSignature = NVSTEREO_IMAGE_SIGNATURE;
header->dwWidth = width * 2;
header->dwHeight = height + 1;
header->dwBPP = 32;
header->dwFlags = 0;
s_3d_vision_texture = D3DTexture2D::Create(width * 2, height + 1, D3D11_BIND_RENDER_TARGET, D3D11_USAGE_DEFAULT, DXGI_FORMAT_R8G8B8A8_UNORM, 1, 1, &sysData);
delete[] sysData.pSysMem;
}
Renderer::Renderer(void *&window_handle)
{
D3D::Create((HWND)window_handle);
@ -776,6 +806,30 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
D3D::context->RSSetViewports(1, &rightVp);
D3D::drawShadedTexQuad(read_texture->GetSRV(), targetRc.AsRECT(), Renderer::GetTargetWidth(), Renderer::GetTargetHeight(), PixelShaderCache::GetColorCopyProgram(false), VertexShaderCache::GetSimpleVertexShader(), VertexShaderCache::GetSimpleInputLayout(), Gamma, 1);
}
else if (g_ActiveConfig.iStereoMode == STEREO_3DVISION)
{
if (!s_3d_vision_texture)
Create3DVisionTexture(s_backbuffer_width, s_backbuffer_height);
D3D11_VIEWPORT leftVp = CD3D11_VIEWPORT((float)X, (float)Y, (float)Width, (float)Height);
D3D11_VIEWPORT rightVp = CD3D11_VIEWPORT((float)(X + s_backbuffer_width), (float)Y, (float)Width, (float)Height);
// Render to staging texture which is double the width of the backbuffer
D3D::context->OMSetRenderTargets(1, &s_3d_vision_texture->GetRTV(), nullptr);
D3D::context->RSSetViewports(1, &leftVp);
D3D::drawShadedTexQuad(read_texture->GetSRV(), targetRc.AsRECT(), Renderer::GetTargetWidth(), Renderer::GetTargetHeight(), PixelShaderCache::GetColorCopyProgram(false), VertexShaderCache::GetSimpleVertexShader(), VertexShaderCache::GetSimpleInputLayout(), Gamma, 0);
D3D::context->RSSetViewports(1, &rightVp);
D3D::drawShadedTexQuad(read_texture->GetSRV(), targetRc.AsRECT(), Renderer::GetTargetWidth(), Renderer::GetTargetHeight(), PixelShaderCache::GetColorCopyProgram(false), VertexShaderCache::GetSimpleVertexShader(), VertexShaderCache::GetSimpleInputLayout(), Gamma, 1);
// Copy the left eye to the backbuffer, if Nvidia 3D Vision is enabled it should
// recognize the signature and automatically include the right eye frame.
D3D11_BOX box = CD3D11_BOX(0, 0, 0, s_backbuffer_width, s_backbuffer_height, 1);
D3D::context->CopySubresourceRegion(D3D::GetBackBuffer()->GetTex(), 0, 0, 0, 0, s_3d_vision_texture->GetTex(), 0, &box);
D3D::context->OMSetRenderTargets(1, &D3D::GetBackBuffer()->GetRTV(), nullptr);
}
else
{
D3D::drawShadedTexQuad(read_texture->GetSRV(), targetRc.AsRECT(), Renderer::GetTargetWidth(), Renderer::GetTargetHeight(), PixelShaderCache::GetColorCopyProgram(false), VertexShaderCache::GetSimpleVertexShader(), VertexShaderCache::GetSimpleInputLayout(), Gamma);
@ -972,6 +1026,7 @@ void Renderer::SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, co
// TODO: Aren't we still holding a reference to the back buffer right now?
D3D::Reset();
SAFE_RELEASE(s_screenshot_texture);
SAFE_RELEASE(s_3d_vision_texture);
s_backbuffer_width = D3D::GetBackBufferWidth();
s_backbuffer_height = D3D::GetBackBufferHeight();
}