[17/23] wined3d: Implement return instruction.

[Józef Kucia]

For this patch, the most important thing is to fix test failures
pointed out by Matteo.

On Tue, Nov 15, 2016 at 8:41 PM, Andrew Wesie <awesie at gmail.com> wrote:
> Is the correct thing to add a test to dlls/d3d11/tests/d3d11.c that
> illustrates the bug and shows that the patch fixes the bug?

Yes, a test case is always welcome. If a test can be expressed in
D3D10 API we also tend to duplicate the test and put it in
dlls/d3d10core/tests/.  FWIW, I've prepared a simple test case for
this instruction. You can send it with your patch if you want. It
exercises the ret instruction only in pixel shaders, but it's better
than not having a test at all.
-------------- next part --------------
diff --git a/dlls/d3d11/tests/d3d11.c b/dlls/d3d11/tests/d3d11.c
index 123676d..19468cf 100644
--- a/dlls/d3d11/tests/d3d11.c
+++ b/dlls/d3d11/tests/d3d11.c
@@ -10906,6 +10906,90 @@ float4 main(struct ps_data ps_input) : SV_Target
     release_test_context(&test_context);
 }
 
+static void test_sm4_ret_instruction(void)
+{
+    struct d3d11_test_context test_context;
+    ID3D11DeviceContext *context;
+    ID3D11PixelShader *ps;
+    ID3D11Device *device;
+    struct uvec4 constant;
+    ID3D11Buffer *cb;
+    HRESULT hr;
+
+    static const DWORD ps_code[] =
+    {
+#if 0
+        uint c;
+
+        float4 main() : SV_TARGET
+        {
+            if (c == 1)
+                return float4(1, 0, 0, 1);
+            if (c == 2)
+                return float4(0, 1, 0, 1);
+            if (c == 3)
+                return float4(0, 0, 1, 1);
+            return float4(1, 1, 1, 1);
+        }
+#endif
+        0x43425844, 0x9ee6f808, 0xe74009f3, 0xbb1adaf2, 0x432e97b5, 0x00000001, 0x000001c4, 0x00000003,
+        0x0000002c, 0x0000003c, 0x00000070, 0x4e475349, 0x00000008, 0x00000000, 0x00000008, 0x4e47534f,
+        0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000, 0x00000003, 0x00000000,
+        0x0000000f, 0x545f5653, 0x45475241, 0xabab0054, 0x52444853, 0x0000014c, 0x00000040, 0x00000053,
+        0x04000059, 0x00208e46, 0x00000000, 0x00000001, 0x03000065, 0x001020f2, 0x00000000, 0x02000068,
+        0x00000001, 0x08000020, 0x00100012, 0x00000000, 0x0020800a, 0x00000000, 0x00000000, 0x00004001,
+        0x00000001, 0x0304001f, 0x0010000a, 0x00000000, 0x08000036, 0x001020f2, 0x00000000, 0x00004002,
+        0x3f800000, 0x00000000, 0x00000000, 0x3f800000, 0x0100003e, 0x01000015, 0x08000020, 0x00100012,
+        0x00000000, 0x0020800a, 0x00000000, 0x00000000, 0x00004001, 0x00000002, 0x0304001f, 0x0010000a,
+        0x00000000, 0x08000036, 0x001020f2, 0x00000000, 0x00004002, 0x00000000, 0x3f800000, 0x00000000,
+        0x3f800000, 0x0100003e, 0x01000015, 0x08000020, 0x00100012, 0x00000000, 0x0020800a, 0x00000000,
+        0x00000000, 0x00004001, 0x00000003, 0x0304001f, 0x0010000a, 0x00000000, 0x08000036, 0x001020f2,
+        0x00000000, 0x00004002, 0x00000000, 0x00000000, 0x3f800000, 0x3f800000, 0x0100003e, 0x01000015,
+        0x08000036, 0x001020f2, 0x00000000, 0x00004002, 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
+        0x0100003e,
+    };
+
+    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 shader, hr %#x.\n", hr);
+    ID3D11DeviceContext_PSSetShader(context, ps, NULL, 0);
+    memset(&constant, 0, sizeof(constant));
+    cb = create_buffer(device, D3D11_BIND_CONSTANT_BUFFER, sizeof(constant), &constant);
+    ID3D11DeviceContext_PSSetConstantBuffers(context, 0, 1, &cb);
+
+    draw_quad(&test_context);
+    check_texture_color(test_context.backbuffer, 0xffffffff, 0);
+
+    constant.x = 1;
+    ID3D11DeviceContext_UpdateSubresource(context, (ID3D11Resource *)cb, 0, NULL, &constant, 0, 0);
+    draw_quad(&test_context);
+    todo_wine check_texture_color(test_context.backbuffer, 0xff0000ff, 0);
+
+    constant.x = 2;
+    ID3D11DeviceContext_UpdateSubresource(context, (ID3D11Resource *)cb, 0, NULL, &constant, 0, 0);
+    draw_quad(&test_context);
+    todo_wine check_texture_color(test_context.backbuffer, 0xff00ff00, 0);
+
+    constant.x = 3;
+    ID3D11DeviceContext_UpdateSubresource(context, (ID3D11Resource *)cb, 0, NULL, &constant, 0, 0);
+    draw_quad(&test_context);
+    todo_wine check_texture_color(test_context.backbuffer, 0xffff0000, 0);
+
+    constant.x = 4;
+    ID3D11DeviceContext_UpdateSubresource(context, (ID3D11Resource *)cb, 0, NULL, &constant, 0, 0);
+    draw_quad(&test_context);
+    check_texture_color(test_context.backbuffer, 0xffffffff, 0);
+
+    ID3D11Buffer_Release(cb);
+    ID3D11PixelShader_Release(ps);
+    release_test_context(&test_context);
+}
+
 START_TEST(d3d11)
 {
     test_create_device();