#include "fixtures/D3D12TestFixture.h"

TEST_F(D3D12TestFixture, Texture_Create_2D) {
    const uint32_t width = 256;
    const uint32_t height = 256;
    const DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM;
    
    D3D12_HEAP_PROPERTIES heapProps = {};
    heapProps.Type = D3D12_HEAP_TYPE_DEFAULT;
    
    D3D12_RESOURCE_DESC resourceDesc = {};
    resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
    resourceDesc.Width = width;
    resourceDesc.Height = height;
    resourceDesc.DepthOrArraySize = 1;
    resourceDesc.MipLevels = 1;
    resourceDesc.Format = format;
    resourceDesc.SampleDesc.Count = 1;
    resourceDesc.SampleDesc.Quality = 0;
    resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
    
    ComPtr<ID3D12Resource> texture;
    HRESULT hr = GetDevice()->CreateCommittedResource(
        &heapProps,
        D3D12_HEAP_FLAG_NONE,
        &resourceDesc,
        D3D12_RESOURCE_STATE_COMMON,
        nullptr,
        IID_PPV_ARGS(&texture)
    );
    ASSERT_HRESULT_SUCCEEDED(hr);
    ASSERT_NE(texture.Get(), nullptr);
    
    D3D12_RESOURCE_DESC desc = texture->GetDesc();
    EXPECT_EQ(desc.Dimension, D3D12_RESOURCE_DIMENSION_TEXTURE2D);
    EXPECT_EQ(desc.Width, width);
    EXPECT_EQ(desc.Height, height);
    EXPECT_EQ(desc.Format, format);
}

TEST_F(D3D12TestFixture, Texture_Create_3D) {
    const uint32_t width = 64;
    const uint32_t height = 64;
    const uint32_t depth = 64;
    
    D3D12_HEAP_PROPERTIES heapProps = {};
    heapProps.Type = D3D12_HEAP_TYPE_DEFAULT;
    
    D3D12_RESOURCE_DESC resourceDesc = {};
    resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE3D;
    resourceDesc.Width = width;
    resourceDesc.Height = height;
    resourceDesc.DepthOrArraySize = depth;
    resourceDesc.MipLevels = 1;
    resourceDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    resourceDesc.SampleDesc.Count = 1;
    resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
    
    ComPtr<ID3D12Resource> texture;
    HRESULT hr = GetDevice()->CreateCommittedResource(
        &heapProps,
        D3D12_HEAP_FLAG_NONE,
        &resourceDesc,
        D3D12_RESOURCE_STATE_COMMON,
        nullptr,
        IID_PPV_ARGS(&texture)
    );
    ASSERT_HRESULT_SUCCEEDED(hr);
    ASSERT_NE(texture.Get(), nullptr);
    
    D3D12_RESOURCE_DESC desc = texture->GetDesc();
    EXPECT_EQ(desc.Dimension, D3D12_RESOURCE_DIMENSION_TEXTURE3D);
    EXPECT_EQ(desc.DepthOrArraySize, depth);
}

TEST_F(D3D12TestFixture, Texture_Create_MultipleMips) {
    const uint32_t width = 512;
    const uint32_t height = 512;
    const uint32_t mipLevels = 5;
    
    D3D12_HEAP_PROPERTIES heapProps = {};
    heapProps.Type = D3D12_HEAP_TYPE_DEFAULT;
    
    D3D12_RESOURCE_DESC resourceDesc = {};
    resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
    resourceDesc.Width = width;
    resourceDesc.Height = height;
    resourceDesc.DepthOrArraySize = 1;
    resourceDesc.MipLevels = mipLevels;
    resourceDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    resourceDesc.SampleDesc.Count = 1;
    resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
    
    ComPtr<ID3D12Resource> texture;
    HRESULT hr = GetDevice()->CreateCommittedResource(
        &heapProps,
        D3D12_HEAP_FLAG_NONE,
        &resourceDesc,
        D3D12_RESOURCE_STATE_COMMON,
        nullptr,
        IID_PPV_ARGS(&texture)
    );
    ASSERT_HRESULT_SUCCEEDED(hr);
    
    D3D12_RESOURCE_DESC desc = texture->GetDesc();
    EXPECT_EQ(desc.MipLevels, mipLevels);
}

TEST_F(D3D12TestFixture, Texture_Create_Array) {
    const uint32_t width = 128;
    const uint32_t height = 128;
    const uint32_t arraySize = 4;
    
    D3D12_HEAP_PROPERTIES heapProps = {};
    heapProps.Type = D3D12_HEAP_TYPE_DEFAULT;
    
    D3D12_RESOURCE_DESC resourceDesc = {};
    resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
    resourceDesc.Width = width;
    resourceDesc.Height = height;
    resourceDesc.DepthOrArraySize = arraySize;
    resourceDesc.MipLevels = 1;
    resourceDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    resourceDesc.SampleDesc.Count = 1;
    resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
    
    ComPtr<ID3D12Resource> texture;
    HRESULT hr = GetDevice()->CreateCommittedResource(
        &heapProps,
        D3D12_HEAP_FLAG_NONE,
        &resourceDesc,
        D3D12_RESOURCE_STATE_COMMON,
        nullptr,
        IID_PPV_ARGS(&texture)
    );
    ASSERT_HRESULT_SUCCEEDED(hr);
    
    D3D12_RESOURCE_DESC desc = texture->GetDesc();
    EXPECT_EQ(desc.DepthOrArraySize, arraySize);
}