bool CD3DEffect::SetConstantBuffer(LPCSTR handle, ID3D11Buffer *buffer)
{
if (m_effect)
{
ID3DX11EffectConstantBuffer* effectbuffer = m_effect->GetConstantBufferByName(handle);
if (effectbuffer->IsValid())
return (S_OK == effectbuffer->SetConstantBuffer(buffer));
}
return false;
}
//
// GameCode4_Hlsl_VertexShader::SetupRender - Chapter 15, page 513
//
HRESULT LineDraw_Hlsl_Shader::SetupRender(Scene *pScene)
{
HRESULT hr = S_OK;
m_EffectPass->Apply(0, g_pDX11W->GetD3D11DeviceContext());
g_pDX11W->GetD3D11DeviceContext()->IASetInputLayout(m_pVertexLayout11);
D3D11_MAPPED_SUBRESOURCE MappedResource;
// ----- Render Target Size ------
V(g_pDX11W->GetD3D11DeviceContext()->Map(m_pcbRenderTargetSize, 0, D3D11_MAP_WRITE_DISCARD, 0, &MappedResource));
Vec4 * pRenderTargetSize = (Vec4 *)MappedResource.pData;
pRenderTargetSize->x = (FLOAT)g_pDX11W->GetWindowWidth();
pRenderTargetSize->y = (FLOAT)g_pDX11W->GetWindowHeight();
pRenderTargetSize->z = 0.0f;
pRenderTargetSize->w = 0.0f;
g_pDX11W->GetD3D11DeviceContext()->Unmap(m_pcbRenderTargetSize, 0);
// ----- Transform Matricies ------
V(g_pDX11W->GetD3D11DeviceContext()->Map(m_pcbChangePerFrame, 0, D3D11_MAP_WRITE_DISCARD, 0, &MappedResource));
LineDrawerChangePerFrameBuffer * pChangePerFrame = (LineDrawerChangePerFrameBuffer*)MappedResource.pData;
Mat4x4 mWorldViewProjection = pScene->GetCamera()->GetWorldViewProjection(pScene);
D3DXMatrixTranspose(&pChangePerFrame->m_WorldViewProjection, &mWorldViewProjection);
g_pDX11W->GetD3D11DeviceContext()->Unmap(m_pcbChangePerFrame, 0);
// ----- Constant Buffers -----
ID3DX11EffectConstantBuffer* fxRenderTargetCB = m_pEffect->GetConstantBufferByName("cbRenderTarget")->AsConstantBuffer();
ID3DX11EffectConstantBuffer* fxChangePerFrameCB = m_pEffect->GetConstantBufferByName("cbChangePerFrame")->AsConstantBuffer();
ID3DX11EffectConstantBuffer* fxDiffuseCB = m_pEffect->GetConstantBufferByName("cbDiffuseColor")->AsConstantBuffer();
fxRenderTargetCB->SetConstantBuffer(m_pcbRenderTargetSize);
fxChangePerFrameCB->SetConstantBuffer(m_pcbChangePerFrame);
fxDiffuseCB->SetConstantBuffer(m_pcbDiffuseColor);
return S_OK;
}