void
Scene::bindShader(CGprogram vs, CGprogram fs)
{
cgD3D11BindProgram(vs);
cgD3D11BindProgram(fs);
}
i32 CCGShaderSystem::SetVertexShader(const Resources::IVertexShader* pVS)
{
xst_assert( pVS, "(D3D11::CCGShaderSystem::SetVertexShader)" );
const Resources::CCGVertexShader* pShader = (Resources::CCGVertexShader*)pVS;
cgD3D11BindProgram( pShader->GetCGShader() );
return XST_OK;
}
void CgShaderProgramD3D11::bind()
{
if (!ParameterMap_.empty())
cgUpdateProgramParameters(cgProgram_);
if (cgD3D11BindProgram(cgProgram_) != D3D_OK)
io::Log::error("Could not bind Cg shader");
}
void CgDxShader::bind() {
if(mProgram)
D3D11Debug::CHECK_RESULT(cgD3D11BindProgram(mProgram));
}
void
DXWindow::startFrame()
{
// clear the back buffer to a deep blue
mDeviceContext->ClearRenderTargetView(mBackbuffer, D3DXCOLOR(0.0f, 0.2f, 0.4f, 1.0f));
//Refresh the Depth/Stencil view
mDeviceContext->ClearDepthStencilView(mDepthStencilView, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.0f, 0);
// this struct holds Windows event messages
MSG msg;
// wait for the next message in the queue, store the result in 'msg'
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
// translate keystroke messages into the right format
TranslateMessage(&msg);
// send the message to the WindowProc function
DispatchMessage(&msg);
}
// DRAWING
{
///////////////**************new**************////////////////////
//Set the World/View/Projection matrix, then send it to constant buffer in effect file
D3DXMatrixIdentity(&mWorld);
WVP = mWorld * mCamView * mCamProjection;
D3DXMATRIX WVPTranspose;
D3DXMatrixTranspose(&WVPTranspose, &WVP);
#ifndef USE_CG
cbPerObject.WVP = WVPTranspose;
mDeviceContext->UpdateSubresource(cbPerObjectBuffer, 0, NULL, &cbPerObject, 0, 0);
mDeviceContext->VSSetConstantBuffers(0, 1, &cbPerObjectBuffer);
#else
CGparameter location = cgGetNamedParameter(mVertexShaderId, "mvp");
// Write the TRANSPOSE matrix into the shader -> LH Coordinate System!
cgSetMatrixParameterfc(location, (float*)WVPTranspose);
// call bind again to update data of the shader
cgD3D11BindProgram(mVertexShaderId);
#endif
///////////////**************new**************////////////////////
// select which vertex buffer to display
UINT stride = sizeof(VERTEX);
UINT offset = 0;
mDeviceContext->IASetVertexBuffers(0, 1, &mTriangleVertexBuffer, &stride, &offset);
// select which primtive type we are using
mDeviceContext->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// draw the vertex buffer to the back buffer
mDeviceContext->Draw(3, 0);
}
}
void DXWindow::initPipeline()
{
HRESULT hr;
#ifdef USE_CG
// INIT CG
{
std::cout << "Initialize Cg-Runtime-Direct3D 11" << std::endl;
//qDebug("[Cg] Initialize Cg");
// register the error handler
cgSetErrorHandler(&_cgErrorHandler, NULL);
// create a new Cg Context
mCgContext = cgCreateContext();
HRESULT hr = cgD3D11SetDevice(mCgContext, mDevice);
if (hr != S_OK)
return;
// Register the default state assignment for OpenGL
cgD3D11RegisterStates(mCgContext);
// This will allow the Cg runtime to manage texture binding
cgD3D11SetManageTextureParameters(mCgContext, CG_TRUE);
}
// LOAD SHADER Cg
{
std::string sourcePtr = read("vshader.cg");
int num = sizeof(CG_VERTEX_SHADER_PROFILES) / sizeof(CG_VERTEX_SHADER_PROFILES[0]);
for (int i = 0; i < num; ++i)
{
auto optimal = cgD3D11GetOptimalOptions(CG_VERTEX_SHADER_PROFILES[i]);
mVertexShaderId = cgCreateProgram(mCgContext, CG_SOURCE, sourcePtr.c_str(), CG_VERTEX_SHADER_PROFILES[i], "main", optimal);
hr = cgD3D11LoadProgram(mVertexShaderId, NULL);
if (SUCCEEDED(hr))
break;
}
if (SUCCEEDED(hr))
{
std::cout << "Loaded vertex shader!\n";
}
else
{
std::cout << "Could not load vertex shader!\n";
exit(-1);
}
sourcePtr = read("fshader.cg");
num = sizeof(CG_PIXEL_SHADER_PROFILES) / sizeof(CG_PIXEL_SHADER_PROFILES[0]);
for (int i = 0; i < num; ++i)
{
auto optimal = cgD3D11GetOptimalOptions(CG_PIXEL_SHADER_PROFILES[i]);
mFragmentShaderId = cgCreateProgram(mCgContext, CG_SOURCE, sourcePtr.c_str(), CG_PIXEL_SHADER_PROFILES[i], "main", optimal);
hr = cgD3D11LoadProgram(mFragmentShaderId, NULL);
if (SUCCEEDED(hr))
break;
}
if (SUCCEEDED(hr))
{
std::cout << "Loaded pixel shader!\n";
}
else
{
std::cout << "Could not load pixel shader!\n";
exit(-1);
}
// get a D3D shader resource from CG shader resource
ID3D10Blob* VS = cgD3D11GetCompiledProgram(mVertexShaderId);
// activate the shader objects
cgD3D11BindProgram(mVertexShaderId);
cgD3D11BindProgram(mFragmentShaderId);
// create the input layout object
D3D11_INPUT_ELEMENT_DESC ied[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
hr = mDevice->CreateInputLayout(ied, 2, VS->GetBufferPointer(), VS->GetBufferSize(), &mLayout);
if (SUCCEEDED(hr))
{
std::cout << "Created vertex layout for shader!\n";
}
else
{
std::cout << "Could not create vertex layout for shader!\n";
exit(-1);
}
mDeviceContext->IASetInputLayout(mLayout);
}
// Load Shader HLSL
#else
{
//Compile Shaders from shader file
hr = D3DX11CompileFromFile("shaders.shader", 0, 0, "VS", "vs_4_0", 0, 0, 0, &VS_Buffer, 0, 0);
hr = D3DX11CompileFromFile("shaders.shader", 0, 0, "PS", "ps_4_0", 0, 0, 0, &PS_Buffer, 0, 0);
//Create the Shader Objects
hr = mDevice->CreateVertexShader(VS_Buffer->GetBufferPointer(), VS_Buffer->GetBufferSize(), NULL, &VS);
hr = mDevice->CreatePixelShader(PS_Buffer->GetBufferPointer(), PS_Buffer->GetBufferSize(), NULL, &PS);
//Set Vertex and Pixel Shaders
mDeviceContext->VSSetShader(VS, 0, 0);
mDeviceContext->PSSetShader(PS, 0, 0);
// create the input layout object
D3D11_INPUT_ELEMENT_DESC ied[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
hr = mDevice->CreateInputLayout(ied, 2, VS_Buffer->GetBufferPointer(), VS_Buffer->GetBufferSize(), &mLayout);
if (SUCCEEDED(hr))
{
std::cout << "Created vertex layout for shader!\n";
}
else
{
std::cout << "Could not create vertex layout for shader!\n";
exit(-1);
}
mDeviceContext->IASetInputLayout(mLayout);
}
#endif
}
