d3d11/tests: Add test for NULL sampler.

dlls/d3d11/tests/d3d11.c

@@ -7446,6 +7446,89 @@ static void test_input_assembler(void)
     release_test_context(&test_context);
 }
 
+static void test_null_sampler(void)
+{
+    struct d3d11_test_context test_context;
+    D3D11_TEXTURE2D_DESC texture_desc;
+    ID3D11ShaderResourceView *srv;
+    ID3D11DeviceContext *context;
+    ID3D11RenderTargetView *rtv;
+    ID3D11SamplerState *sampler;
+    ID3D11Texture2D *texture;
+    ID3D11PixelShader *ps;
+    ID3D11Device *device;
+    HRESULT hr;
+
+    static const DWORD ps_code[] =
+    {
+#if 0
+        Texture2D t;
+        SamplerState s;
+
+        float4 main(float4 position : SV_POSITION) : SV_Target
+        {
+            return t.Sample(s, float2(position.x / 640.0f, position.y / 480.0f));
+        }
+#endif
+        0x43425844, 0x1ce9b612, 0xc8176faa, 0xd37844af, 0xdb515605, 0x00000001, 0x00000134, 0x00000003,
+        0x0000002c, 0x00000060, 0x00000094, 0x4e475349, 0x0000002c, 0x00000001, 0x00000008, 0x00000020,
+        0x00000000, 0x00000001, 0x00000003, 0x00000000, 0x0000030f, 0x505f5653, 0x5449534f, 0x004e4f49,
+        0x4e47534f, 0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000, 0x00000003,
+        0x00000000, 0x0000000f, 0x545f5653, 0x65677261, 0xabab0074, 0x52444853, 0x00000098, 0x00000040,
+        0x00000026, 0x0300005a, 0x00106000, 0x00000000, 0x04001858, 0x00107000, 0x00000000, 0x00005555,
+        0x04002064, 0x00101032, 0x00000000, 0x00000001, 0x03000065, 0x001020f2, 0x00000000, 0x02000068,
+        0x00000001, 0x0a000038, 0x00100032, 0x00000000, 0x00101046, 0x00000000, 0x00004002, 0x3acccccd,
+        0x3b088889, 0x00000000, 0x00000000, 0x09000045, 0x001020f2, 0x00000000, 0x00100046, 0x00000000,
+        0x00107e46, 0x00000000, 0x00106000, 0x00000000, 0x0100003e,
+    };
+    static const float blue[] = {0.0f, 0.0f, 1.0f, 1.0f};
+
+    if (!init_test_context(&test_context, NULL))
+        return;
+
+    device = test_context.device;
+    context = test_context.immediate_context;
+
+    hr = ID3D11Device_CreatePixelShader(device, ps_code, sizeof(ps_code), NULL, &ps);
+    ok(SUCCEEDED(hr), "Failed to create pixel shader, hr %#x.\n", hr);
+
+    texture_desc.Width = 64;
+    texture_desc.Height = 64;
+    texture_desc.MipLevels = 1;
+    texture_desc.ArraySize = 1;
+    texture_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+    texture_desc.SampleDesc.Count = 1;
+    texture_desc.SampleDesc.Quality = 0;
+    texture_desc.Usage = D3D11_USAGE_DEFAULT;
+    texture_desc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
+    texture_desc.CPUAccessFlags = 0;
+    texture_desc.MiscFlags = 0;
+
+    hr = ID3D11Device_CreateTexture2D(device, &texture_desc, NULL, &texture);
+    ok(SUCCEEDED(hr), "Failed to create texture, hr %#x.\n", hr);
+
+    hr = ID3D11Device_CreateRenderTargetView(device, (ID3D11Resource *)texture, NULL, &rtv);
+    ok(SUCCEEDED(hr), "Failed to create render target view, hr %#x.\n", hr);
+
+    hr = ID3D11Device_CreateShaderResourceView(device, (ID3D11Resource *)texture, NULL, &srv);
+    ok(SUCCEEDED(hr), "Failed to create shader resource view, hr %#x.\n", hr);
+
+    ID3D11DeviceContext_ClearRenderTargetView(context, rtv, blue);
+
+    ID3D11DeviceContext_PSSetShader(context, ps, NULL, 0);
+    ID3D11DeviceContext_PSSetShaderResources(context, 0, 1, &srv);
+    sampler = NULL;
+    ID3D11DeviceContext_PSSetSamplers(context, 0, 1, &sampler);
+    draw_quad(&test_context);
+    check_texture_color(test_context.backbuffer, 0xffff0000, 0);
+
+    ID3D11ShaderResourceView_Release(srv);
+    ID3D11RenderTargetView_Release(rtv);
+    ID3D11Texture2D_Release(texture);
+    ID3D11PixelShader_Release(ps);
+    release_test_context(&test_context);
+}
+
 START_TEST(d3d11)
 {
     test_create_device();
@@ -7490,4 +7573,5 @@ START_TEST(d3d11)
     test_sm4_if_instruction();
     test_sm4_breakc_instruction();
     test_input_assembler();
+    test_null_sampler();
 }