void setupVertexInputState(std::vector<vkMeshLoader::VertexLayout> layout)
{
bindingDescription = vkTools::initializers::vertexInputBindingDescription(
vertexBufferBinding,
vertexSize(layout),
VK_VERTEX_INPUT_RATE_VERTEX);
attributeDescriptions.clear();
uint32_t offset = 0;
uint32_t binding = 0;
for (auto& layoutDetail : layout)
{
// Format (layout)
VkFormat format = (layoutDetail == VERTEX_LAYOUT_UV) ? VK_FORMAT_R32G32_SFLOAT : VK_FORMAT_R32G32B32_SFLOAT;
attributeDescriptions.push_back(
vkTools::initializers::vertexInputAttributeDescription(
vertexBufferBinding,
binding,
format,
offset));
// Offset
offset += (layoutDetail == VERTEX_LAYOUT_UV) ? (2 * sizeof(float)) : (3 * sizeof(float));
binding++;
}
vertexInputState = vkTools::initializers::pipelineVertexInputStateCreateInfo();
vertexInputState.vertexBindingDescriptionCount = 1;
vertexInputState.pVertexBindingDescriptions = &bindingDescription;
vertexInputState.vertexAttributeDescriptionCount = attributeDescriptions.size();
vertexInputState.pVertexAttributeDescriptions = attributeDescriptions.data();
}
void RayTracerMaterial::createVertexBuffer(ID3D11Device* device, VertexPositionTexture* vertices, UINT vertexCount, ID3D11Buffer** vertexBuffer) const
{
D3D11_BUFFER_DESC vertexBufferDesc;
ZeroMemory(&vertexBufferDesc, sizeof(vertexBufferDesc));
vertexBufferDesc.ByteWidth = vertexSize() * vertexCount;
vertexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
D3D11_SUBRESOURCE_DATA vertexSubResourceData;
ZeroMemory(&vertexSubResourceData, sizeof(vertexSubResourceData));
vertexSubResourceData.pSysMem = vertices;
if (FAILED(device->CreateBuffer(&vertexBufferDesc, &vertexSubResourceData, vertexBuffer)))
{
throw GameException("ID3D11Device::CreateBuffer() failed.");
}
}
void SkyboxMaterial::createVertexBuffer(ID3D11Device * device, XMFLOAT4 * vertices, UINT vertexCount, ID3D11Buffer** vertexBuffers)const
{
D3D11_BUFFER_DESC vertexBufferDesc;
ZeroMemory(&vertexBufferDesc, sizeof(vertexBufferDesc));
vertexBufferDesc.ByteWidth = vertexCount * vertexSize();
vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vertexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
D3D11_SUBRESOURCE_DATA vertexSubResource;
ZeroMemory(&vertexSubResource, sizeof(vertexSubResource));
vertexSubResource.pSysMem = vertices;
if (FAILED(device->CreateBuffer(&vertexBufferDesc, &vertexSubResource, vertexBuffers)))
{
throw GameException(L"CreateBuffer Failed ");
}
}
size_t Mesh::byteSize()
{
return _layout.size() * vertexSize();
}