Пример #1
0
		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();
}