/**
* @fn Resize (int w, int h)
*
* @brief Resizes the render target, creates new textures and views
*
* @param w - New resource width
*
* @param h - New resource height
*/
void CDXRenderTarget::Resize(int resW, int resH)
{
HRESULT hr;
SAFE_RELEASE(m_pSRV);
SAFE_RELEASE(m_pRTV);
SAFE_RELEASE(m_pTexture);
SAFE_RELEASE(m_pTextureCPU);
// Save the new values
m_width = resW;
m_height = resH;
// Get the device
ID3D10Device *pDev = DXUTGetD3D10Device();
// Create the texture here
CD3D10_TEXTURE2D_DESC desc(m_fmt, resW, resH, 1, 1);
desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
desc.Usage = D3D10_USAGE_DEFAULT;
hr = pDev->CreateTexture2D(&desc, NULL, &m_pTexture);
assert(hr == S_OK);
// Create the CPU version of the texture here
CD3D10_TEXTURE2D_DESC descCPU(m_fmt, resW, resH, 1, 1);
descCPU.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
descCPU.Usage = D3D10_USAGE_DYNAMIC;
hr = pDev->CreateTexture2D(&descCPU, NULL, &m_pTextureCPU);
assert(hr == S_OK);
// Create the shader resource view
D3D10_SHADER_RESOURCE_VIEW_DESC resDesc;
resDesc.Format = m_fmt;
resDesc.ViewDimension = D3D10_SRV_DIMENSION_TEXTURE2D;
resDesc.Texture2D.MipLevels = 1;
resDesc.Texture2D.MostDetailedMip = 0;
hr = pDev->CreateShaderResourceView(m_pTexture, &resDesc, &m_pSRV);
assert(hr == S_OK);
// Create the render target view
D3D10_RENDER_TARGET_VIEW_DESC rtDesc;
rtDesc.Format = m_fmt;
rtDesc.ViewDimension = D3D10_RTV_DIMENSION_TEXTURE2D;
rtDesc.Texture2D.MipSlice = 0;
hr = pDev->CreateRenderTargetView(m_pTexture, &rtDesc, &m_pRTV);
assert(hr == S_OK);
} // End of resize()
bool D10State::init() {
static HMODREF(GetModuleHandleW(L"D3D10.DLL"), D3D10CreateEffectFromMemory);
static HMODREF(GetModuleHandleW(L"D3D10.DLL"), D3D10CreateStateBlock);
static HMODREF(GetModuleHandleW(L"D3D10.DLL"), D3D10StateBlockMaskEnableAll);
if (pD3D10CreateEffectFromMemory == NULL
|| pD3D10CreateStateBlock == NULL
|| pD3D10StateBlockMaskEnableAll == NULL) {
ods("D3D10: Could not get handles for all required D3D10 state initialization functions");
return false;
}
HRESULT hr;
D3D10_STATE_BLOCK_MASK StateBlockMask;
ZeroMemory(&StateBlockMask, sizeof(StateBlockMask));
hr = pD3D10StateBlockMaskEnableAll(&StateBlockMask);
if (FAILED(hr)) {
ods("D3D10: D3D10StateBlockMaskEnableAll failed");
return false;
}
hr = pD3D10CreateStateBlock(pDevice, &StateBlockMask, &pOrigStateBlock);
if (FAILED(hr)) {
ods("D3D10: D3D10CreateStateBlock for pOrigStateBlock failed");
return false;
}
hr = pD3D10CreateStateBlock(pDevice, &StateBlockMask, &pMyStateBlock);
if (FAILED(hr)) {
ods("D3D10: D3D10CreateStateBlock for pMyStateBlock failed");
return false;
}
hr = pOrigStateBlock->Capture();
if (FAILED(hr)) {
ods("D3D10: Failed to store original state block during init");
return false;
}
ID3D10Texture2D *pBackBuffer = NULL;
hr = pSwapChain->GetBuffer(0, __uuidof(*pBackBuffer), (LPVOID*)&pBackBuffer);
if (FAILED(hr)) {
ods("D3D10: pSwapChain->GetBuffer failure!");
return false;
}
pDevice->ClearState();
D3D10_TEXTURE2D_DESC backBufferSurfaceDesc;
pBackBuffer->GetDesc(&backBufferSurfaceDesc);
ZeroMemory(&vp, sizeof(vp));
vp.Width = backBufferSurfaceDesc.Width;
vp.Height = backBufferSurfaceDesc.Height;
vp.MinDepth = 0;
vp.MaxDepth = 1;
vp.TopLeftX = 0;
vp.TopLeftY = 0;
pDevice->RSSetViewports(1, &vp);
hr = pDevice->CreateRenderTargetView(pBackBuffer, NULL, &pRTV);
if (FAILED(hr)) {
ods("D3D10: pDevice->CreateRenderTargetView failed!");
return false;
}
pDevice->OMSetRenderTargets(1, &pRTV, NULL);
// Settings for an "over" operation.
// https://en.wikipedia.org/w/index.php?title=Alpha_compositing&oldid=580659153#Description
D3D10_BLEND_DESC blend;
ZeroMemory(&blend, sizeof(blend));
blend.BlendEnable[0] = TRUE;
blend.SrcBlend = D3D10_BLEND_ONE;
blend.DestBlend = D3D10_BLEND_INV_SRC_ALPHA;
blend.BlendOp = D3D10_BLEND_OP_ADD;
blend.SrcBlendAlpha = D3D10_BLEND_ONE;
blend.DestBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA;
blend.BlendOpAlpha = D3D10_BLEND_OP_ADD;
blend.RenderTargetWriteMask[0] = D3D10_COLOR_WRITE_ENABLE_ALL;
hr = pDevice->CreateBlendState(&blend, &pBlendState);
if (FAILED(hr)) {
ods("D3D10: pDevice->CreateBlendState failed!");
return false;
}
pDevice->OMSetBlendState(pBlendState, NULL, 0xffffffff);
hr = pD3D10CreateEffectFromMemory((void *) g_main, sizeof(g_main), 0, pDevice, NULL, &pEffect);
if (FAILED(hr)) {
ods("D3D10: D3D10CreateEffectFromMemory failed!");
return false;
}
pTechnique = pEffect->GetTechniqueByName("Render");
if (pTechnique == NULL) {
ods("D3D10: Could not get technique for name 'Render'");
return false;
}
pDiffuseTexture = pEffect->GetVariableByName("txDiffuse")->AsShaderResource();
if (pDiffuseTexture == NULL) {
ods("D3D10: Could not get variable by name 'txDiffuse'");
return false;
}
pTexture = NULL;
pSRView = NULL;
// Define the input layout
D3D10_INPUT_ELEMENT_DESC layout[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D10_INPUT_PER_VERTEX_DATA, 0 },
};
UINT numElements = sizeof(layout) / sizeof(layout[0]);
// Create the input layout
D3D10_PASS_DESC PassDesc;
hr = pTechnique->GetPassByIndex(0)->GetDesc(&PassDesc);
if (FAILED(hr)) {
ods("D3D10: Couldn't get pass description for technique");
return false;
}
hr = pDevice->CreateInputLayout(layout, numElements, PassDesc.pIAInputSignature, PassDesc.IAInputSignatureSize, &pVertexLayout);
if (FAILED(hr)) {
ods("D3D10: pDevice->CreateInputLayout failure!");
return false;
}
pDevice->IASetInputLayout(pVertexLayout);
D3D10_BUFFER_DESC bd;
ZeroMemory(&bd, sizeof(bd));
bd.Usage = D3D10_USAGE_DYNAMIC;
bd.ByteWidth = sizeof(SimpleVertex) * 4;
bd.BindFlags = D3D10_BIND_VERTEX_BUFFER;
bd.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
bd.MiscFlags = 0;
hr = pDevice->CreateBuffer(&bd, NULL, &pVertexBuffer);
if (FAILED(hr)) {
ods("D3D10: pDevice->CreateBuffer failure!");
return false;
}
DWORD indices[] = {
0,1,3,
1,2,3,
};
bd.Usage = D3D10_USAGE_DEFAULT;
bd.ByteWidth = sizeof(DWORD) * 6;
bd.BindFlags = D3D10_BIND_INDEX_BUFFER;
bd.CPUAccessFlags = 0;
bd.MiscFlags = 0;
D3D10_SUBRESOURCE_DATA InitData;
ZeroMemory(&InitData, sizeof(InitData));
InitData.pSysMem = indices;
hr = pDevice->CreateBuffer(&bd, &InitData, &pIndexBuffer);
if (FAILED(hr)) {
ods("D3D10: pDevice->CreateBuffer failure!");
return false;
}
// Set index buffer
pDevice->IASetIndexBuffer(pIndexBuffer, DXGI_FORMAT_R32_UINT, 0);
// Set primitive topology
pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
hr = pMyStateBlock->Capture();
if (FAILED(hr)) {
ods("D3D10: Failed to capture newly created state block");
return false;
}
hr = pOrigStateBlock->Apply();
if (FAILED(hr)) {
ods("D3D10: Failed to restore original state block during init");
return false;
}
pBackBuffer->Release();
return true;
}
void D10State::init() {
static HMODREF(GetModuleHandleW(L"D3D10.DLL"), D3D10CreateEffectFromMemory);
static HMODREF(GetModuleHandleW(L"D3D10.DLL"), D3D10CreateStateBlock);
static HMODREF(GetModuleHandleW(L"D3D10.DLL"), D3D10StateBlockMaskEnableAll);
HRESULT hr;
dwMyThread = GetCurrentThreadId();
D3D10_STATE_BLOCK_MASK StateBlockMask;
ZeroMemory(&StateBlockMask, sizeof(StateBlockMask));
pD3D10StateBlockMaskEnableAll(&StateBlockMask);
pD3D10CreateStateBlock(pDevice, &StateBlockMask, &pOrigStateBlock);
pD3D10CreateStateBlock(pDevice, &StateBlockMask, &pMyStateBlock);
pOrigStateBlock->Capture();
ID3D10Texture2D* pBackBuffer = NULL;
hr = pSwapChain->GetBuffer(0, __uuidof(*pBackBuffer), (LPVOID*)&pBackBuffer);
pDevice->ClearState();
D3D10_TEXTURE2D_DESC backBufferSurfaceDesc;
pBackBuffer->GetDesc(&backBufferSurfaceDesc);
ZeroMemory(&vp, sizeof(vp));
vp.Width = backBufferSurfaceDesc.Width;
vp.Height = backBufferSurfaceDesc.Height;
vp.MinDepth = 0;
vp.MaxDepth = 1;
vp.TopLeftX = 0;
vp.TopLeftY = 0;
pDevice->RSSetViewports(1, &vp);
hr = pDevice->CreateRenderTargetView(pBackBuffer, NULL, &pRTV);
pDevice->OMSetRenderTargets(1, &pRTV, NULL);
D3D10_BLEND_DESC blend;
ZeroMemory(&blend, sizeof(blend));
blend.BlendEnable[0] = TRUE;
blend.SrcBlend = D3D10_BLEND_ONE;
blend.DestBlend = D3D10_BLEND_INV_SRC_ALPHA;
blend.BlendOp = D3D10_BLEND_OP_ADD;
blend.SrcBlendAlpha = D3D10_BLEND_ONE;
blend.DestBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA;
blend.BlendOpAlpha = D3D10_BLEND_OP_ADD;
blend.RenderTargetWriteMask[0] = D3D10_COLOR_WRITE_ENABLE_ALL;
pDevice->CreateBlendState(&blend, &pBlendState);
float bf[4];
pDevice->OMSetBlendState(pBlendState, bf, 0xffffffff);
pD3D10CreateEffectFromMemory((void *) g_main, sizeof(g_main), 0, pDevice, NULL, &pEffect);
pTechnique = pEffect->GetTechniqueByName("Render");
pDiffuseTexture = pEffect->GetVariableByName("txDiffuse")->AsShaderResource();
pTexture = NULL;
pSRView = NULL;
// Define the input layout
D3D10_INPUT_ELEMENT_DESC layout[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D10_INPUT_PER_VERTEX_DATA, 0 },
};
UINT numElements = sizeof(layout) / sizeof(layout[0]);
// Create the input layout
D3D10_PASS_DESC PassDesc;
pTechnique->GetPassByIndex(0)->GetDesc(&PassDesc);
hr = pDevice->CreateInputLayout(layout, numElements, PassDesc.pIAInputSignature, PassDesc.IAInputSignatureSize, &pVertexLayout);
pDevice->IASetInputLayout(pVertexLayout);
D3D10_BUFFER_DESC bd;
ZeroMemory(&bd, sizeof(bd));
bd.Usage = D3D10_USAGE_DYNAMIC;
bd.ByteWidth = sizeof(SimpleVertex) * 4;
bd.BindFlags = D3D10_BIND_VERTEX_BUFFER;
bd.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
bd.MiscFlags = 0;
hr = pDevice->CreateBuffer(&bd, NULL, &pVertexBuffer);
DWORD indices[] = {
0,1,3,
1,2,3,
};
bd.Usage = D3D10_USAGE_DEFAULT;
bd.ByteWidth = sizeof(DWORD) * 6;
bd.BindFlags = D3D10_BIND_INDEX_BUFFER;
bd.CPUAccessFlags = 0;
bd.MiscFlags = 0;
D3D10_SUBRESOURCE_DATA InitData;
ZeroMemory(&InitData, sizeof(InitData));
InitData.pSysMem = indices;
hr = pDevice->CreateBuffer(&bd, &InitData, &pIndexBuffer);
// Set index buffer
pDevice->IASetIndexBuffer(pIndexBuffer, DXGI_FORMAT_R32_UINT, 0);
// Set primitive topology
pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
pMyStateBlock->Capture();
pOrigStateBlock->Apply();
pBackBuffer->Release();
dwMyThread = 0;
}