d3d11/tests: Introduce a format compatibility test.

dlls/d3d11/tests/d3d11.c

@@ -22315,6 +22315,138 @@ static void test_conservative_depth_output(void)
     release_test_context(&test_context);
 }
 
+static void test_format_compatibility(void)
+{
+    ID3D11Texture2D *dst_texture, *src_texture;
+    D3D11_SUBRESOURCE_DATA resource_data;
+    D3D11_TEXTURE2D_DESC texture_desc;
+    ID3D11DeviceContext *context;
+    struct resource_readback rb;
+    DWORD colour, expected;
+    ID3D11Device *device;
+    unsigned int i, j;
+    ULONG refcount;
+    HRESULT hr;
+
+    static const struct
+    {
+        DXGI_FORMAT src_format;
+        DXGI_FORMAT dst_format;
+        size_t texel_size;
+        BOOL success;
+    }
+    test_data[] =
+    {
+        {DXGI_FORMAT_R8G8B8A8_TYPELESS,   DXGI_FORMAT_R8G8B8A8_UNORM,      4, TRUE},
+        {DXGI_FORMAT_R8G8B8A8_UNORM,      DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, 4, TRUE},
+        {DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UINT,       4, TRUE},
+        {DXGI_FORMAT_R8G8B8A8_UINT,       DXGI_FORMAT_R8G8B8A8_SNORM,      4, TRUE},
+        {DXGI_FORMAT_R8G8B8A8_SNORM,      DXGI_FORMAT_R8G8B8A8_SINT,       4, TRUE},
+        {DXGI_FORMAT_R8G8B8A8_SINT,       DXGI_FORMAT_R8G8B8A8_TYPELESS,   4, TRUE},
+        {DXGI_FORMAT_R8G8B8A8_UNORM,      DXGI_FORMAT_B8G8R8A8_UNORM,      4, FALSE},
+        {DXGI_FORMAT_R8G8B8A8_UINT,       DXGI_FORMAT_R16G16_UINT,         4, FALSE},
+        {DXGI_FORMAT_R16G16_TYPELESS,     DXGI_FORMAT_R16G16_FLOAT,        4, TRUE},
+        {DXGI_FORMAT_R16G16_FLOAT,        DXGI_FORMAT_R16G16_UNORM,        4, TRUE},
+        {DXGI_FORMAT_R16G16_UNORM,        DXGI_FORMAT_R16G16_UINT,         4, TRUE},
+        {DXGI_FORMAT_R16G16_UINT,         DXGI_FORMAT_R16G16_SNORM,        4, TRUE},
+        {DXGI_FORMAT_R16G16_SNORM,        DXGI_FORMAT_R16G16_SINT,         4, TRUE},
+        {DXGI_FORMAT_R16G16_SINT,         DXGI_FORMAT_R16G16_TYPELESS,     4, TRUE},
+        {DXGI_FORMAT_R16G16_TYPELESS,     DXGI_FORMAT_R32_TYPELESS,        4, FALSE},
+        {DXGI_FORMAT_R32G32_TYPELESS,     DXGI_FORMAT_R32G32_FLOAT,        8, TRUE},
+        {DXGI_FORMAT_R32G32_FLOAT,        DXGI_FORMAT_R32G32_UINT,         8, TRUE},
+        {DXGI_FORMAT_R32G32_UINT,         DXGI_FORMAT_R32G32_SINT,         8, TRUE},
+        {DXGI_FORMAT_R32G32_SINT,         DXGI_FORMAT_R32G32_TYPELESS,     8, TRUE},
+    };
+    static const DWORD initial_data[16] = {0};
+    static const DWORD bitmap_data[] =
+    {
+        0xff0000ff, 0xff00ffff, 0xff00ff00, 0xffffff00,
+        0xffff0000, 0xffff00ff, 0xff000000, 0xff7f7f7f,
+        0xffffffff, 0xffffffff, 0xffffffff, 0xff000000,
+        0xffffffff, 0xff000000, 0xff000000, 0xff000000,
+    };
+
+    if (!(device = create_device(NULL)))
+    {
+        skip("Failed to create device.\n");
+        return;
+    }
+    ID3D11Device_GetImmediateContext(device, &context);
+
+    texture_desc.Height = 4;
+    texture_desc.MipLevels = 1;
+    texture_desc.ArraySize = 1;
+    texture_desc.SampleDesc.Count = 1;
+    texture_desc.SampleDesc.Quality = 0;
+    texture_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
+    texture_desc.CPUAccessFlags = 0;
+    texture_desc.MiscFlags = 0;
+
+    for (i = 0; i < ARRAY_SIZE(test_data); ++i)
+    {
+        unsigned int x, y, texel_dwords;
+        D3D11_BOX box;
+
+        texture_desc.Width = sizeof(bitmap_data) / (texture_desc.Height * test_data[i].texel_size);
+        texture_desc.Format = test_data[i].src_format;
+        texture_desc.Usage = D3D11_USAGE_IMMUTABLE;
+
+        resource_data.pSysMem = bitmap_data;
+        resource_data.SysMemPitch = texture_desc.Width * test_data[i].texel_size;
+        resource_data.SysMemSlicePitch = 0;
+
+        hr = ID3D11Device_CreateTexture2D(device, &texture_desc, &resource_data, &src_texture);
+        ok(SUCCEEDED(hr), "Failed to create source texture, hr %#x.\n", hr);
+
+        texture_desc.Format = test_data[i].dst_format;
+        texture_desc.Usage = D3D11_USAGE_DEFAULT;
+
+        resource_data.pSysMem = initial_data;
+
+        hr = ID3D11Device_CreateTexture2D(device, &texture_desc, &resource_data, &dst_texture);
+        ok(SUCCEEDED(hr), "Failed to create destination texture, hr %#x.\n", hr);
+
+        set_box(&box, 0, 0, 0, texture_desc.Width - 1, texture_desc.Height - 1, 1);
+        ID3D11DeviceContext_CopySubresourceRegion(context, (ID3D11Resource *)dst_texture, 0, 1, 1, 0,
+                (ID3D11Resource *)src_texture, 0, &box);
+
+        texel_dwords = test_data[i].texel_size / sizeof(DWORD);
+        get_texture_readback(dst_texture, 0, &rb);
+        for (j = 0; j < ARRAY_SIZE(bitmap_data); ++j)
+        {
+            x = j % 4;
+            y = j / 4;
+            colour = get_readback_color(&rb, x, y);
+            expected = test_data[i].success && x >= texel_dwords && y
+                    ? bitmap_data[j - (4 + texel_dwords)] : initial_data[j];
+            ok(colour == expected, "Test %u: Got unexpected colour 0x%08x at (%u, %u), expected 0x%08x.\n",
+                    i, colour, x, y, expected);
+        }
+        release_resource_readback(&rb);
+
+        ID3D11DeviceContext_CopyResource(context, (ID3D11Resource *)dst_texture, (ID3D11Resource *)src_texture);
+
+        get_texture_readback(dst_texture, 0, &rb);
+        for (j = 0; j < ARRAY_SIZE(bitmap_data); ++j)
+        {
+            x = j % 4;
+            y = j / 4;
+            colour = get_readback_color(&rb, x, y);
+            expected = test_data[i].success ? bitmap_data[j] : initial_data[j];
+            ok(colour == expected, "Test %u: Got unexpected colour 0x%08x at (%u, %u), expected 0x%08x.\n",
+                    i, colour, x, y, expected);
+        }
+        release_resource_readback(&rb);
+
+        ID3D11Texture2D_Release(dst_texture);
+        ID3D11Texture2D_Release(src_texture);
+    }
+
+    ID3D11DeviceContext_Release(context);
+    refcount = ID3D11Device_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+}
+
 START_TEST(d3d11)
 {
     test_create_device();
@@ -22420,4 +22552,5 @@ START_TEST(d3d11)
     test_fractional_viewports();
     test_early_depth_stencil();
     test_conservative_depth_output();
+    test_format_compatibility();
 }