d3d11/tests: Add a test for dual source blending.

dlls/d3d11/tests/d3d11.c

@@ -29993,6 +29993,76 @@ static void test_independent_blend(void)
     release_test_context(&test_context);
 }
 
+static void test_dual_source_blend(void)
+{
+    struct d3d11_test_context test_context;
+    ID3D11BlendState *blend_state;
+    ID3D11DeviceContext *context;
+    ID3D11PixelShader *ps;
+    ID3D11Device *device;
+    DWORD color;
+    HRESULT hr;
+
+    static const DWORD ps_code[] =
+    {
+#if 0
+        void main(float4 position : SV_Position,
+                out float4 t0 : SV_Target0, out float4 t1 : SV_Target1)
+        {
+            t0 = float4(0.5, 0.5, 0.0, 1.0);
+            t1 = float4(0.0, 0.5, 0.5, 0.0);
+        }
+#endif
+        0x43425844, 0x87120d01, 0xa0014738, 0x3a32d86c, 0x9d757441, 0x00000001, 0x00000118, 0x00000003,
+        0x0000002c, 0x00000060, 0x000000ac, 0x4e475349, 0x0000002c, 0x00000001, 0x00000008, 0x00000020,
+        0x00000000, 0x00000001, 0x00000003, 0x00000000, 0x0000000f, 0x505f5653, 0x7469736f, 0x006e6f69,
+        0x4e47534f, 0x00000044, 0x00000002, 0x00000008, 0x00000038, 0x00000000, 0x00000000, 0x00000003,
+        0x00000000, 0x0000000f, 0x00000038, 0x00000001, 0x00000000, 0x00000003, 0x00000001, 0x0000000f,
+        0x545f5653, 0x65677261, 0xabab0074, 0x52444853, 0x00000064, 0x00000040, 0x00000019, 0x03000065,
+        0x001020f2, 0x00000000, 0x03000065, 0x001020f2, 0x00000001, 0x08000036, 0x001020f2, 0x00000000,
+        0x00004002, 0x3f000000, 0x3f000000, 0x00000000, 0x3f000000, 0x08000036, 0x001020f2, 0x00000001,
+        0x00004002, 0x00000000, 0x3f000000, 0x3f000000, 0x00000000, 0x0100003e
+    };
+
+    static const D3D11_BLEND_DESC blend_desc =
+    {
+        .RenderTarget[0].BlendEnable = TRUE,
+        .RenderTarget[0].SrcBlend = D3D11_BLEND_SRC1_COLOR,
+        .RenderTarget[0].DestBlend = D3D11_BLEND_SRC1_COLOR,
+        .RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD,
+        .RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE,
+        .RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO,
+        .RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD,
+        .RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL,
+    };
+
+    static const float clear_color[] = {0.7f, 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(hr == S_OK, "Failed to create pixel shader, hr %#x.\n", hr);
+    ID3D11DeviceContext_PSSetShader(context, ps, NULL, 0);
+
+    hr = ID3D11Device_CreateBlendState(device, &blend_desc, &blend_state);
+    ok(hr == S_OK, "Failed to create blend state, hr %#x.\n", hr);
+    ID3D11DeviceContext_OMSetBlendState(context, blend_state, NULL, D3D11_DEFAULT_SAMPLE_MASK);
+    ID3D11BlendState_Release(blend_state);
+
+    ID3D11DeviceContext_ClearRenderTargetView(context, test_context.backbuffer_rtv, clear_color);
+    draw_quad(&test_context);
+
+    color = get_texture_color(test_context.backbuffer, 320, 240);
+    ok(compare_color(color, 0x80804000, 1), "Got unexpected color 0x%08x.\n", color);
+
+    ID3D11PixelShader_Release(ps);
+    release_test_context(&test_context);
+}
+
 START_TEST(d3d11)
 {
     unsigned int argc, i;
@@ -30155,6 +30225,7 @@ START_TEST(d3d11)
     queue_test(test_sample_attached_rtv);
     queue_test(test_color_mask);
     queue_test(test_independent_blend);
+    queue_test(test_dual_source_blend);
 
     run_queued_tests();
 }