HRESULT HookIDirect3DDevice9::CreateStateBlock(LPVOID _this,
D3DSTATEBLOCKTYPE Type,
IDirect3DStateBlock9** ppSB)
{
LOG_API();
return pD3Dev->CreateStateBlock(Type, ppSB);
}
VCNBool VCND3D9EffectCore::Initialize()
{
if ( !VCNEffectCore::Initialize() )
return false;
LPDIRECT3DDEVICE9 device = VCNRenderCore::GetInstance()->Cast<VCND3D9>()->GetD3DDevice();
const VCNPoint& screenRes = VCNRenderCore::GetInstance()->GetResolution();
// Create the shadow map render target
HRESULT hr = device->CreateTexture(screenRes.x, screenRes.y, 1, D3DUSAGE_RENDERTARGET, D3DFMT_G32R32F, D3DPOOL_DEFAULT, &mShadowMapTexture, 0);
VCN_ASSERT_MSG( SUCCEEDED(hr), _T("Unable to create shadow map render target texture") );
// Create a state block to capture all
device->CreateStateBlock( D3DSBT_ALL, &mAllStateBlock );
CreateScreenVertexBuffer();
return true;
}
/**
* 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;
}
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
// If text or lines are blurry when integrating ImGui in your engine:
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
{
// Avoid rendering when minimized
ImGuiIO& io = ImGui::GetIO();
if (io.DisplaySize.x <= 0.0f || io.DisplaySize.y <= 0.0f)
return;
// Create and grow buffers if needed
if (!g_pVB || g_VertexBufferSize < draw_data->TotalVtxCount)
{
if (g_pVB) { g_pVB->Release(); g_pVB = NULL; }
g_VertexBufferSize = draw_data->TotalVtxCount + 5000;
if (g_pd3dDevice->CreateVertexBuffer(g_VertexBufferSize * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0)
return;
}
if (!g_pIB || g_IndexBufferSize < draw_data->TotalIdxCount)
{
if (g_pIB) { g_pIB->Release(); g_pIB = NULL; }
g_IndexBufferSize = draw_data->TotalIdxCount + 10000;
if (g_pd3dDevice->CreateIndexBuffer(g_IndexBufferSize * sizeof(ImDrawIdx), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, sizeof(ImDrawIdx) == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32, D3DPOOL_DEFAULT, &g_pIB, NULL) < 0)
return;
}
// Backup the DX9 state
IDirect3DStateBlock9* d3d9_state_block = NULL;
if (g_pd3dDevice->CreateStateBlock(D3DSBT_ALL, &d3d9_state_block) < 0)
return;
// Copy and convert all vertices into a single contiguous buffer
CUSTOMVERTEX* vtx_dst;
ImDrawIdx* idx_dst;
if (g_pVB->Lock(0, (UINT)(draw_data->TotalVtxCount * sizeof(CUSTOMVERTEX)), (void**)&vtx_dst, D3DLOCK_DISCARD) < 0)
return;
if (g_pIB->Lock(0, (UINT)(draw_data->TotalIdxCount * sizeof(ImDrawIdx)), (void**)&idx_dst, D3DLOCK_DISCARD) < 0)
return;
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const ImDrawVert* vtx_src = cmd_list->VtxBuffer.Data;
for (int i = 0; i < cmd_list->VtxBuffer.Size; i++)
{
vtx_dst->pos[0] = vtx_src->pos.x;
vtx_dst->pos[1] = vtx_src->pos.y;
vtx_dst->pos[2] = 0.0f;
//vtx_dst->col = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000)>>16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9
vtx_dst->col = vtx_src->col;
vtx_dst->uv[0] = vtx_src->uv.x;
vtx_dst->uv[1] = vtx_src->uv.y;
vtx_dst++;
vtx_src++;
}
memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
idx_dst += cmd_list->IdxBuffer.Size;
}
g_pVB->Unlock();
g_pIB->Unlock();
g_pd3dDevice->SetStreamSource(0, g_pVB, 0, sizeof(CUSTOMVERTEX));
g_pd3dDevice->SetIndices(g_pIB);
g_pd3dDevice->SetFVF(D3DFVF_CUSTOMVERTEX);
// Setup viewport
D3DVIEWPORT9 vp;
vp.X = vp.Y = 0;
vp.Width = (DWORD)io.DisplaySize.x;
vp.Height = (DWORD)io.DisplaySize.y;
vp.MinZ = 0.0f;
vp.MaxZ = 1.0f;
g_pd3dDevice->SetViewport(&vp);
// Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing
g_pd3dDevice->SetPixelShader(NULL);
g_pd3dDevice->SetVertexShader(NULL);
g_pd3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
g_pd3dDevice->SetRenderState(D3DRS_LIGHTING, false);
g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, true);
g_pd3dDevice->SetRenderState(D3DRS_ALPHATESTENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
g_pd3dDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
g_pd3dDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, true);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
g_pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
g_pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
// Setup orthographic projection matrix
// Being agnostic of whether <d3dx9.h> or <DirectXMath.h> can be used, we aren't relying on D3DXMatrixIdentity()/D3DXMatrixOrthoOffCenterLH() or DirectX::XMMatrixIdentity()/DirectX::XMMatrixOrthographicOffCenterLH()
{
const float L = 0.5f, R = io.DisplaySize.x+0.5f, T = 0.5f, B = io.DisplaySize.y+0.5f;
D3DMATRIX mat_identity = { { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f } };
D3DMATRIX mat_projection =
{
2.0f/(R-L), 0.0f, 0.0f, 0.0f,
0.0f, 2.0f/(T-B), 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
(L+R)/(L-R), (T+B)/(B-T), 0.5f, 1.0f,
};
g_pd3dDevice->SetTransform(D3DTS_WORLD, &mat_identity);
g_pd3dDevice->SetTransform(D3DTS_VIEW, &mat_identity);
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &mat_projection);
}
// Render command lists
int vtx_offset = 0;
int idx_offset = 0;
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
{
pcmd->UserCallback(cmd_list, pcmd);
}
else
{
const RECT r = { (LONG)pcmd->ClipRect.x, (LONG)pcmd->ClipRect.y, (LONG)pcmd->ClipRect.z, (LONG)pcmd->ClipRect.w };
g_pd3dDevice->SetTexture(0, (LPDIRECT3DTEXTURE9)pcmd->TextureId);
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtx_offset, 0, (UINT)cmd_list->VtxBuffer.Size, idx_offset, pcmd->ElemCount/3);
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.Size;
}
// Restore the DX9 state
d3d9_state_block->Apply();
d3d9_state_block->Release();
}