void TessellationShader::InitShader(WCHAR* vsFilename, WCHAR* hsFilename, WCHAR* dsFilename, WCHAR* psFilename)
{
// InitShader must be overwritten and it will load both vertex and pixel shaders + setup buffers
InitShader(vsFilename, psFilename);
// Load other required shaders.
loadHullShader(hsFilename);
loadDomainShader(dsFilename);
}
void LightAlphaMapShader::InitShader(sz::ConstBufManager &buf_man,
WCHAR* vsFilename, WCHAR* psFilename,
WCHAR *hsFilename, WCHAR *dsFilename, unsigned int lights_num) {
D3D11_BUFFER_DESC matrixBufferDesc;
D3D11_SAMPLER_DESC samplerDesc;
D3D11_BUFFER_DESC lightBufferDesc;
D3D11_BUFFER_DESC camBufferDesc;
D3D11_INPUT_ELEMENT_DESC polygon_layout[4];
// Create the vertex input layout description.
// This setup needs to match the VertexType stucture in the MeshClass and in the shader.
polygon_layout[0].SemanticName = "POSITION";
polygon_layout[0].SemanticIndex = 0;
polygon_layout[0].Format = DXGI_FORMAT_R32G32B32_FLOAT;
polygon_layout[0].InputSlot = 0;
polygon_layout[0].AlignedByteOffset = 0;
polygon_layout[0].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
polygon_layout[0].InstanceDataStepRate = 0;
polygon_layout[1].SemanticName = "TEXCOORD";
polygon_layout[1].SemanticIndex = 0;
polygon_layout[1].Format = DXGI_FORMAT_R32G32_FLOAT;
polygon_layout[1].InputSlot = 0;
polygon_layout[1].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
polygon_layout[1].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
polygon_layout[1].InstanceDataStepRate = 0;
polygon_layout[2].SemanticName = "NORMAL";
polygon_layout[2].SemanticIndex = 0;
polygon_layout[2].Format = DXGI_FORMAT_R32G32B32_FLOAT;
polygon_layout[2].InputSlot = 0;
polygon_layout[2].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
polygon_layout[2].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
polygon_layout[2].InstanceDataStepRate = 0;
polygon_layout[3].SemanticName = "TANGENT";
polygon_layout[3].SemanticIndex = 0;
polygon_layout[3].Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
polygon_layout[3].InputSlot = 0;
polygon_layout[3].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
polygon_layout[3].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
polygon_layout[3].InstanceDataStepRate = 0;
// Load (+ compile) shader files
loadVertexShader(polygon_layout, 4, vsFilename);
loadVertexShader(L"../shaders/tessellation_vs.hlsl", &vertexshader_tessellation);
loadDomainShader(dsFilename);
loadHullShader(hsFilename);
loadPixelShader(psFilename);
// Setup the description of the dynamic matrix constant buffer that is in the vertex shader.
matrixBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
matrixBufferDesc.ByteWidth = sizeof(sz::MatrixBufferType);
matrixBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
matrixBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
matrixBufferDesc.MiscFlags = 0;
matrixBufferDesc.StructureByteStride = 0;
// Create the constant buffer pointer so we can access the vertex shader constant buffer from within this class.
m_matrixBuffer = buf_man.CreateD3D11ConstBuffer("mvp_buffer",
matrixBufferDesc, m_device);
assert(m_matrixBuffer != nullptr);
// Create a texture sampler state description.
samplerDesc.Filter = D3D11_FILTER_ANISOTROPIC;
samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_MIRROR;
samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_MIRROR;
samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_MIRROR;
samplerDesc.MipLODBias = 0.0f;
samplerDesc.MaxAnisotropy = 1;
samplerDesc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
samplerDesc.BorderColor[0] = 0;
samplerDesc.BorderColor[1] = 0;
samplerDesc.BorderColor[2] = 0;
samplerDesc.BorderColor[3] = 0;
samplerDesc.MinLOD = 0;
samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
// Create the texture sampler state.
m_device->CreateSamplerState(&samplerDesc, &m_sampleState);
// Create the constant buffer for materials
D3D11_BUFFER_DESC mat_buff_desc;
// Setup material buffer
mat_buff_desc.Usage = D3D11_USAGE_DYNAMIC;
mat_buff_desc.ByteWidth = sizeof(sz::MaterialBufferType);
mat_buff_desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
mat_buff_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
mat_buff_desc.MiscFlags = 0;
mat_buff_desc.StructureByteStride = 0;
// Create the buffer
material_buf_ = buf_man.CreateD3D11ConstBuffer("mat_buffer",
mat_buff_desc, m_device);
assert(material_buf_ != nullptr);
}