/**
* Draws stereoscopic frame.
***/
void StereoView::Draw(D3D9ProxySurface* stereoCapableSurface)
{
// Copy left and right surfaces to textures to use as shader input
// TODO match aspect ratio of source in target ?
IDirect3DSurface9* leftImage = stereoCapableSurface->getActualLeft();
IDirect3DSurface9* rightImage = stereoCapableSurface->getActualRight();
m_pActualDevice->StretchRect(leftImage, NULL, leftSurface, NULL, D3DTEXF_NONE);
if (stereoCapableSurface->IsStereo())
m_pActualDevice->StretchRect(rightImage, NULL, rightSurface, NULL, D3DTEXF_NONE);
else
m_pActualDevice->StretchRect(leftImage, NULL, rightSurface, NULL, D3DTEXF_NONE);
// how to save (backup) render states ?
switch(howToSaveRenderStates)
{
case HowToSaveRenderStates::STATE_BLOCK:
m_pActualDevice->CreateStateBlock(D3DSBT_ALL, &sb);
break;
case HowToSaveRenderStates::SELECTED_STATES_MANUALLY:
SaveState();
break;
case HowToSaveRenderStates::ALL_STATES_MANUALLY:
SaveAllRenderStates(m_pActualDevice);
SetAllRenderStatesDefault(m_pActualDevice);
break;
case HowToSaveRenderStates::DO_NOT_SAVE_AND_RESTORE:
break;
}
// set states for fullscreen render
SetState();
// all render settings start here
m_pActualDevice->SetFVF(D3DFVF_TEXVERTEX);
// swap eyes
if(!swapEyes)
{
m_pActualDevice->SetTexture(0, leftTexture);
m_pActualDevice->SetTexture(1, rightTexture);
}
else
{
m_pActualDevice->SetTexture(0, rightTexture);
m_pActualDevice->SetTexture(1, leftTexture);
}
if (FAILED(m_pActualDevice->SetRenderTarget(0, backBuffer))) {
OutputDebugString("SetRenderTarget backbuffer failed\n");
}
if (FAILED(m_pActualDevice->SetStreamSource(0, screenVertexBuffer, 0, sizeof(TEXVERTEX)))) {
OutputDebugString("SetStreamSource failed\n");
}
UINT iPass, cPasses;
if (FAILED(viewEffect->SetTechnique("ViewShader"))) {
OutputDebugString("SetTechnique failed\n");
}
SetViewEffectInitialValues();
// now, render
if (FAILED(viewEffect->Begin(&cPasses, 0))) {
OutputDebugString("Begin failed\n");
}
for(iPass = 0; iPass < cPasses; iPass++)
{
if (FAILED(viewEffect->BeginPass(iPass))) {
OutputDebugString("Beginpass failed\n");
}
if (FAILED(m_pActualDevice->DrawPrimitive(D3DPT_TRIANGLEFAN, 0, 2))) {
OutputDebugString("Draw failed\n");
}
if (FAILED(viewEffect->EndPass())) {
OutputDebugString("Beginpass failed\n");
}
}
if (FAILED(viewEffect->End())) {
OutputDebugString("End failed\n");
}
// how to restore render states ?
switch(howToSaveRenderStates)
{
case HowToSaveRenderStates::STATE_BLOCK:
// apply stored render states
sb->Apply();
sb->Release();
sb = NULL;
break;
case HowToSaveRenderStates::SELECTED_STATES_MANUALLY:
RestoreState();
break;
case HowToSaveRenderStates::ALL_STATES_MANUALLY:
RestoreAllRenderStates(m_pActualDevice);
break;
case HowToSaveRenderStates::DO_NOT_SAVE_AND_RESTORE:
break;
}
}
/**
* Render the Oculus Rift View.
***/
void* OculusRenderer::Provoke(void* pThis, int eD3D, int eD3DInterface, int eD3DMethod, DWORD dwNumberConnected, int& nProvokerIndex)
{
// return if wrong call
if ((eD3D >= (int)AQU_DirectXVersion::DirectX_9_0) &&
(eD3D <= (int)AQU_DirectXVersion::DirectX_9_29))
{
if (((eD3DInterface == INTERFACE_IDIRECT3DDEVICE9) &&
(eD3DMethod == METHOD_IDIRECT3DDEVICE9_PRESENT)) ||
((eD3DInterface == INTERFACE_IDIRECT3DDEVICE9) &&
(eD3DMethod == METHOD_IDIRECT3DDEVICE9_ENDSCENE)) ||
((eD3DInterface == INTERFACE_IDIRECT3DSWAPCHAIN9) &&
(eD3DMethod == METHOD_IDIRECT3DSWAPCHAIN9_PRESENT)))
{
(pThis);
}
else return nullptr;
}
else
return nullptr;
// get input data
if (m_paInput[(int)ORN_Decommanders::LeftTexture])
m_pcTextureLeft = *(LPDIRECT3DTEXTURE9*)m_paInput[(int)ORN_Decommanders::LeftTexture];
else
m_pcTextureLeft = nullptr;
if (m_paInput[(int)ORN_Decommanders::RightTexture])
m_pcTextureRight = *(LPDIRECT3DTEXTURE9*)m_paInput[(int)ORN_Decommanders::RightTexture];
else m_pcTextureRight = nullptr;
if (m_paInput[(int)ORN_Decommanders::DistortionVertexBufferLeft])
if (*(LPDIRECT3DVERTEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionVertexBufferLeft])
m_pcDistortionVertexBufferLeft = **(LPDIRECT3DVERTEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionVertexBufferLeft];
else m_pcDistortionVertexBufferLeft = nullptr;
else m_pcDistortionVertexBufferLeft = nullptr;
if (m_paInput[(int)ORN_Decommanders::DistortionVertexBufferRight])
if (*(LPDIRECT3DVERTEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionVertexBufferRight])
m_pcDistortionVertexBufferRight = **(LPDIRECT3DVERTEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionVertexBufferRight];
else m_pcDistortionVertexBufferRight = nullptr;
else m_pcDistortionVertexBufferRight = nullptr;
if (m_paInput[(int)ORN_Decommanders::DistortionIndexBufferLeft])
if (*(LPDIRECT3DINDEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionIndexBufferLeft])
m_pcDistortionIndexBufferLeft = **(LPDIRECT3DINDEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionIndexBufferLeft];
else m_pcDistortionIndexBufferLeft = nullptr;
else m_pcDistortionIndexBufferLeft = nullptr;
if (m_paInput[(int)ORN_Decommanders::DistortionIndexBufferRight])
if (*(LPDIRECT3DINDEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionIndexBufferRight])
m_pcDistortionIndexBufferRight = **(LPDIRECT3DINDEXBUFFER9**)m_paInput[(int)ORN_Decommanders::DistortionIndexBufferRight];
else m_pcDistortionIndexBufferRight = nullptr;
else m_pcDistortionIndexBufferRight = nullptr;
if (m_paInput[(int)ORN_Decommanders::OculusVertexDeclaration])
if (*(LPDIRECT3DVERTEXDECLARATION9**)m_paInput[(int)ORN_Decommanders::OculusVertexDeclaration])
m_pcVertexDecl = **(LPDIRECT3DVERTEXDECLARATION9**)m_paInput[(int)ORN_Decommanders::OculusVertexDeclaration];
else m_pcVertexDecl = nullptr;
else m_pcVertexDecl = nullptr;
if (m_paInput[(int)ORN_Decommanders::DefaultEyeFovLeft])
if (*(ovrFovPort**)m_paInput[(int)ORN_Decommanders::DefaultEyeFovLeft])
m_psFOVPortLeft = *(ovrFovPort**)m_paInput[(int)ORN_Decommanders::DefaultEyeFovLeft];
else m_psFOVPortLeft = nullptr;
else m_psFOVPortLeft = nullptr;
if (m_paInput[(int)ORN_Decommanders::DefaultEyeFovRight])
if (*(ovrFovPort**)m_paInput[(int)ORN_Decommanders::DefaultEyeFovRight])
m_psFOVPortRight = *(ovrFovPort**)m_paInput[(int)ORN_Decommanders::DefaultEyeFovRight];
else m_psFOVPortRight = nullptr;
else m_psFOVPortRight = nullptr;
// get device
LPDIRECT3DDEVICE9 pcDevice = nullptr;
bool bReleaseDevice = false;
if (eD3DInterface == INTERFACE_IDIRECT3DDEVICE9)
{
pcDevice = (LPDIRECT3DDEVICE9)pThis;
}
else if (eD3DInterface == INTERFACE_IDIRECT3DSWAPCHAIN9)
{
LPDIRECT3DSWAPCHAIN9 pSwapChain = (LPDIRECT3DSWAPCHAIN9)pThis;
if (!pSwapChain)
{
OutputDebugString(L"Oculus Renderer Node : No swapchain !");
return nullptr;
}
pSwapChain->GetDevice(&pcDevice);
bReleaseDevice = true;
}
if (!pcDevice)
{
OutputDebugString(L"Oculus Renderer Node : No device !");
return nullptr;
}
// Original code (LibOVR) :
// pShaderCode = ShaderCompile("precompiledVertexShaderSrc",VertexShaderSrc,"vs_2_0");
// pShaderCode = ShaderCompile("precompiledVertexShaderTimewarpSrc",VertexShaderTimewarpSrc,"vs_3_0");
// pShaderCode = ShaderCompile("precompiledPixelShaderSrc",PixelShaderSrc,"ps_3_0");
// pixel shader created ?
if (!m_pcOculusPixelShader)
{
LPD3DXBUFFER pShader;
// compile and create shader
if (SUCCEEDED(D3DXCompileShader(PixelShaderSrc,strlen(PixelShaderSrc),NULL,NULL,"main","ps_3_0",NULL,&pShader,NULL,&m_pcOculusPixelShaderCT)))
{
OutputDebugString(L"Pixel shader compiled!");
pcDevice->CreatePixelShader((DWORD*)pShader->GetBufferPointer(), &m_pcOculusPixelShader);
}
}
// vertex shader created ?
if (!m_pcOculusVertexShader)
{
LPD3DXBUFFER pShader;
// compile and create shader
if (SUCCEEDED(D3DXCompileShader(VertexShaderSrc,strlen(VertexShaderSrc),NULL,NULL,"main","vs_2_0",NULL,&pShader,NULL,&m_pcOculusVertexShaderCT)))
{
OutputDebugString(L"Vertex shader compiled!");
pcDevice->CreateVertexShader((DWORD*)pShader->GetBufferPointer(), &m_pcOculusVertexShader);
}
}
// side by side pixel shader ?
if (!m_pcSideBySidePixelShader)
{
LPD3DXBUFFER pShader;
// compile and create shader
if (SUCCEEDED(D3DXCompileShader(PixelShaderSrcSideBySide,strlen(PixelShaderSrcSideBySide),NULL,NULL,"SBS","ps_2_0",NULL,&pShader,NULL,&m_pcSideBySidePixelShaderCT)))
{
OutputDebugString(L"Pixel shader compiled!");
pcDevice->CreatePixelShader((DWORD*)pShader->GetBufferPointer(), &m_pcSideBySidePixelShader);
}
}
// test textures created ?
if ((!m_pcTextureRightTest) || (!m_pcTextureLeftTest))
{
HMODULE hModule = GetModuleHandle(L"OculusRenderer.dll");
if (!m_pcTextureLeftTest)
{
// create a test texture
if (SUCCEEDED(D3DXCreateTextureFromResource(pcDevice, hModule, MAKEINTRESOURCE(IMG_BACKGROUND01), &m_pcTextureLeftTest)))
OutputDebugString(L"Texture created !");
else m_pcTextureLeftTest = nullptr;
}
if (!m_pcTextureRightTest)
{
// create a test texture
if (SUCCEEDED(D3DXCreateTextureFromResource(pcDevice, hModule, MAKEINTRESOURCE(IMG_BACKGROUND02), &m_pcTextureRightTest)))
OutputDebugString(L"Texture created !");
else m_pcTextureRightTest = nullptr;
}
}
// default vertex buffer ?
if (!m_pcVertexBufferDefault)
{
InitDefaultVertexBuffer(pcDevice);
if (!m_pcVertexBufferDefault) return nullptr;
}
// vertex buffers ? index buffers ? not all present ?
if ((!m_pcDistortionVertexBufferLeft) || (!m_pcDistortionVertexBufferRight) ||
(!m_pcDistortionIndexBufferLeft) || (!m_pcDistortionIndexBufferRight) ||
(!m_pcVertexDecl))
{
if (m_bBuffersConnected)
{
// clear all descriptions for safety
ZeroMemory(&m_sVertexBufferDescLeft, sizeof(D3DVERTEXBUFFER_DESC));
ZeroMemory(&m_sVertexBufferDescRight, sizeof(D3DVERTEXBUFFER_DESC));
ZeroMemory(&m_sIndexBufferDescLeft, sizeof(D3DINDEXBUFFER_DESC));
ZeroMemory(&m_sIndexBufferDescRight, sizeof(D3DINDEXBUFFER_DESC));
m_bBuffersConnected = false;
}
}
else
{
m_bBuffersConnected = true;
// vertex buffer description ? left
if (!m_sVertexBufferDescLeft.Size)
m_pcDistortionVertexBufferLeft->GetDesc(&m_sVertexBufferDescLeft);
// vertex buffer length matches oculus vertex type ?
if ((m_sVertexBufferDescLeft.Size % sizeof(ovrDistortionVertex)) != 0)
{
OutputDebugString(L"OculusRenderer Node : Connected vertex buffer size mismatch !");
return nullptr;
}
// and right
if (!m_sVertexBufferDescRight.Size)
m_pcDistortionVertexBufferRight->GetDesc(&m_sVertexBufferDescRight);
// vertex buffer length matches oculus vertex type ?
if ((m_sVertexBufferDescRight.Size % sizeof(ovrDistortionVertex)) != 0)
{
OutputDebugString(L"OculusRenderer Node : Connected vertex buffer size mismatch !");
return nullptr;
}
// index buffer ?
if ((!m_pcDistortionIndexBufferLeft) || (!m_pcDistortionIndexBufferRight))
return nullptr;
// index buffer description ?
if (!m_sIndexBufferDescLeft.Size)
{
m_pcDistortionIndexBufferLeft->GetDesc(&m_sIndexBufferDescLeft);
// index buffer length matches vertex buffer size ? TODO !!
/*if ()
{
OutputDebugString(L"OculusRenderer Node : Connected index buffer size mismatch !");
return nullptr;
}*/
}
if (!m_sIndexBufferDescRight.Size)
{
m_pcDistortionIndexBufferRight->GetDesc(&m_sIndexBufferDescRight);
// index buffer length matches vertex buffer size ? TODO !!
/*if ()
{
OutputDebugString(L"OculusRenderer Node : Connected index buffer size mismatch !");
return nullptr;
}*/
}
}
// start to render
pcDevice->BeginScene();
// save states
IDirect3DStateBlock9* pStateBlock = nullptr;
pcDevice->CreateStateBlock(D3DSBT_ALL, &pStateBlock);
// set ALL render states to default
SetAllRenderStatesDefault(pcDevice);
// set states
pcDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
pcDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
pcDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
pcDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_CONSTANT);
pcDevice->SetTextureStageState(0, D3DTSS_CONSTANT, 0xffffffff);
pcDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
pcDevice->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
pcDevice->SetRenderState(D3DRS_ZWRITEENABLE, FALSE);
pcDevice->SetSamplerState(0, D3DSAMP_SRGBTEXTURE, 0);
pcDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
pcDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
pcDevice->SetSamplerState(0, D3DSAMP_ADDRESSW, D3DTADDRESS_CLAMP);
pcDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_ANISOTROPIC);
pcDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC);
pcDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
D3DCOLOR clearColor = D3DCOLOR_RGBA(0, 0, 0, 0);
pcDevice->Clear(0, NULL, D3DCLEAR_TARGET, clearColor, 0, 0);
// required fields
D3DSURFACE_DESC sSurfaceDesc;
ovrSizei sTextureSize;
ovrRecti sRenderViewport;
ovrVector2f UVScaleOffset[2];
// LEFT EYE :
// left eye, first set stream source, indices
if (m_bBuffersConnected)
{
// no timewarp here, use standard vertex shader, set pixel shader, set vertex declaration
pcDevice->SetVertexShader( m_pcOculusVertexShader);
pcDevice->SetPixelShader( m_pcOculusPixelShader );
pcDevice->SetVertexDeclaration( m_pcVertexDecl );
// set texture
if (m_pcTextureLeft)
pcDevice->SetTexture( 0, m_pcTextureLeft );
else if (m_pcTextureLeftTest)
pcDevice->SetTexture( 0, m_pcTextureLeftTest );
else pcDevice->SetTexture( 0, 0);
// get texture size
if (m_pcTextureLeft)
m_pcTextureLeft->GetLevelDesc(0, &sSurfaceDesc);
else if (m_pcTextureLeftTest)
m_pcTextureLeftTest->GetLevelDesc(0, &sSurfaceDesc);
else ZeroMemory(&sSurfaceDesc, sizeof(D3DSURFACE_DESC));
sTextureSize.w = (int)sSurfaceDesc.Width;
sTextureSize.h = (int)sSurfaceDesc.Height;
// set render viewport size the same size as the texture size (!)
sRenderViewport.Pos.x = 0;
sRenderViewport.Pos.y = 0;
sRenderViewport.Size.w = sTextureSize.w;
sRenderViewport.Size.h = sTextureSize.h;
// get and set scale and offset
if (m_psFOVPortLeft)
ovrHmd_GetRenderScaleAndOffset(*m_psFOVPortLeft, sTextureSize, sRenderViewport, UVScaleOffset);
else
ovrHmd_GetRenderScaleAndOffset(m_sDefaultFOVPortLeft, sTextureSize, sRenderViewport, UVScaleOffset);
pcDevice->SetVertexShaderConstantF( 0, ( FLOAT* )&UVScaleOffset[0], 1 );
pcDevice->SetVertexShaderConstantF( 2, ( FLOAT* )&UVScaleOffset[1], 1 );
pcDevice->SetStreamSource( 0, m_pcDistortionVertexBufferLeft,0, sizeof(ovrDistortionVertex) );
pcDevice->SetIndices( m_pcDistortionIndexBufferLeft);
// draw
pcDevice->DrawIndexedPrimitive( D3DPT_TRIANGLELIST,0,0, m_sVertexBufferDescLeft.Size / sizeof(ovrDistortionVertex) , 0, m_sIndexBufferDescLeft.Size / 6 );
}
else
{
pcDevice->SetSamplerState(1, D3DSAMP_SRGBTEXTURE, 0);
pcDevice->SetSamplerState(1, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
pcDevice->SetSamplerState(1, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
pcDevice->SetSamplerState(1, D3DSAMP_ADDRESSW, D3DTADDRESS_CLAMP);
pcDevice->SetSamplerState(1, D3DSAMP_MAGFILTER, D3DTEXF_ANISOTROPIC);
pcDevice->SetSamplerState(1, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC);
pcDevice->SetSamplerState(1, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
// side by side render
pcDevice->SetVertexShader(NULL);
pcDevice->SetPixelShader(m_pcSideBySidePixelShader);
pcDevice->SetVertexDeclaration( NULL );
pcDevice->SetFVF(D3DFVF_TEXVERTEX);
// set textures
if (m_pcTextureLeft)
pcDevice->SetTexture( 0, m_pcTextureLeft );
else if (m_pcTextureLeftTest)
pcDevice->SetTexture( 0, m_pcTextureLeftTest );
else pcDevice->SetTexture( 0, 0);
if (m_pcTextureRight)
pcDevice->SetTexture( 1, m_pcTextureRight );
else if (m_pcTextureRightTest)
pcDevice->SetTexture( 1, m_pcTextureRightTest );
else pcDevice->SetTexture( 1, 0);
// set stream and draw
pcDevice->SetStreamSource( 0, m_pcVertexBufferDefault,0, sizeof(TEXVERTEX) );
pcDevice->DrawPrimitive(D3DPT_TRIANGLEFAN, 0, 2);
}
// RIGHT EYE:
if (m_bBuffersConnected)
{
// set texture
if (m_pcTextureRight)
pcDevice->SetTexture( 0, m_pcTextureRight );
else if (m_pcTextureRightTest)
pcDevice->SetTexture( 0, m_pcTextureRightTest );
else pcDevice->SetTexture( 0, 0);
// get texture size
if (m_pcTextureRight)
m_pcTextureRight->GetLevelDesc(0, &sSurfaceDesc);
else if (m_pcTextureRightTest)
m_pcTextureRightTest->GetLevelDesc(0, &sSurfaceDesc);
else ZeroMemory(&sSurfaceDesc, sizeof(D3DSURFACE_DESC));
sTextureSize.w = (int)sSurfaceDesc.Width;
sTextureSize.h = (int)sSurfaceDesc.Height;
// get and set scale and offset
if (m_psFOVPortRight)
ovrHmd_GetRenderScaleAndOffset(*m_psFOVPortRight, sTextureSize, sRenderViewport, UVScaleOffset);
else
ovrHmd_GetRenderScaleAndOffset(m_sDefaultFOVPortRight, sTextureSize, sRenderViewport, UVScaleOffset);
pcDevice->SetVertexShaderConstantF( 0, ( FLOAT* )&UVScaleOffset[0], 1 );
pcDevice->SetVertexShaderConstantF( 2, ( FLOAT* )&UVScaleOffset[1], 1 );
// set stream source, indices, draw
pcDevice->SetStreamSource( 0, m_pcDistortionVertexBufferRight,0, sizeof(ovrDistortionVertex) );
pcDevice->SetIndices( m_pcDistortionIndexBufferRight);
// draw
pcDevice->DrawIndexedPrimitive( D3DPT_TRIANGLELIST,0,0, m_sVertexBufferDescRight.Size / sizeof(ovrDistortionVertex) , 0, m_sIndexBufferDescRight.Size / 6 );
}
pcDevice->EndScene();
// apply and release state block
if (pStateBlock)
{
pStateBlock->Apply();
pStateBlock->Release();
}
// release device if provided by swapchain
if (bReleaseDevice) pcDevice->Release();
return nullptr;
}
