[PATCH 4/4] ddraw/tests: Port alphatest_test() from d3d9 for d3d7.

[Paul Gofman]

Signed-off-by: Paul Gofman <gofmanp at gmail.com>
---
 dlls/ddraw/tests/visual.c | 94 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)

diff --git a/dlls/ddraw/tests/visual.c b/dlls/ddraw/tests/visual.c
index 2cb1c89231..5ce751b5b5 100644
--- a/dlls/ddraw/tests/visual.c
+++ b/dlls/ddraw/tests/visual.c
@@ -1594,6 +1594,99 @@ static void DX1_BackBufferFlipTest(void)
     if (window) DestroyWindow(window);
 }
 
+static void alphatest_test(IDirect3DDevice7 *device)
+{
+#define ALPHATEST_PASSED 0x0000ff00
+#define ALPHATEST_FAILED 0x00ff0000
+    unsigned int i, j;
+    D3DCOLOR color;
+    DWORD value;
+    HRESULT hr;
+
+    static const struct
+    {
+        D3DCMPFUNC func;
+        D3DCOLOR color_less;
+        D3DCOLOR color_equal;
+        D3DCOLOR color_greater;
+    }
+    test_data[] =
+    {
+        {D3DCMP_NEVER,        ALPHATEST_FAILED, ALPHATEST_FAILED, ALPHATEST_FAILED},
+        {D3DCMP_LESS,         ALPHATEST_PASSED, ALPHATEST_FAILED, ALPHATEST_FAILED},
+        {D3DCMP_EQUAL,        ALPHATEST_FAILED, ALPHATEST_PASSED, ALPHATEST_FAILED},
+        {D3DCMP_LESSEQUAL,    ALPHATEST_PASSED, ALPHATEST_PASSED, ALPHATEST_FAILED},
+        {D3DCMP_GREATER,      ALPHATEST_FAILED, ALPHATEST_FAILED, ALPHATEST_PASSED},
+        {D3DCMP_NOTEQUAL,     ALPHATEST_PASSED, ALPHATEST_FAILED, ALPHATEST_PASSED},
+        {D3DCMP_GREATEREQUAL, ALPHATEST_FAILED, ALPHATEST_PASSED, ALPHATEST_PASSED},
+        {D3DCMP_ALWAYS,       ALPHATEST_PASSED, ALPHATEST_PASSED, ALPHATEST_PASSED},
+    };
+    static struct
+    {
+        struct vec3 position;
+        DWORD diffuse;
+    }
+    quad[] =
+    {
+        {{-1.0f, -1.0f, 0.1f}, ALPHATEST_PASSED | 0x80000000},
+        {{-1.0f,  1.0f, 0.1f}, ALPHATEST_PASSED | 0x80000000},
+        {{ 1.0f, -1.0f, 0.1f}, ALPHATEST_PASSED | 0x80000000},
+        {{ 1.0f,  1.0f, 0.1f}, ALPHATEST_PASSED | 0x80000000},
+    };
+
+    hr = IDirect3DDevice7_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xff0000ff, 0.0f, 0);
+    ok(hr == D3D_OK, "IDirect3DDevice7_Clear failed, hr %#x.\n", hr);
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_LIGHTING, FALSE);
+    ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_ZENABLE, FALSE);
+    ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_ALPHATESTENABLE, TRUE);
+    ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+
+    for(i = 0; i < ARRAY_SIZE(test_data); ++i)
+    {
+        hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_ALPHAFUNC, test_data[i].func);
+        ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+
+        hr = IDirect3DDevice7_Clear(device, 0, NULL, D3DCLEAR_TARGET, ALPHATEST_FAILED, 0.0f, 0);
+        ok(hr == D3D_OK, "IDirect3DDevice7_Clear failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_ALPHAREF, 0x70);
+        ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_BeginScene(device);
+        ok(hr == D3D_OK, "IDirect3DDevice7_BeginScene failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_DrawPrimitive(device, D3DPT_TRIANGLESTRIP,
+                D3DFVF_XYZ | D3DFVF_DIFFUSE, quad, ARRAY_SIZE(quad), 0);
+        ok(hr == D3D_OK, "IDirect3DDevice7_DrawPrimitive failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_EndScene(device);
+        ok(hr == D3D_OK, "IDirect3DDevice7_EndScene failed, hr %#x.\n", hr);
+        color = getPixelColor(device, 320, 240);
+        ok(color_match(color, test_data[i].color_greater, 1),
+                "Alphatest failed, color 0x%08x, expected 0x%08x, alpha > ref, func %u.\n",
+                color, test_data[i].color_greater, test_data[i].func);
+
+        hr = IDirect3DDevice7_Clear(device, 0, NULL, D3DCLEAR_TARGET, ALPHATEST_FAILED, 0.0f, 0);
+        ok(hr == D3D_OK, "IDirect3DDevice7_Clear failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_ALPHAREF, 0xff70);
+        ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_GetRenderState(device, D3DRENDERSTATE_ALPHAREF, &value);
+        ok(hr == D3D_OK, "IDirect3DDevice7_GetRenderState failed, hr %#x.\n", hr);
+        ok(value == 0xff70, "Unexpected D3DRS_ALPHAREF value %#x.\n", value);
+        hr = IDirect3DDevice7_BeginScene(device);
+        ok(hr == D3D_OK, "IDirect3DDevice7_BeginScene failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_DrawPrimitive(device, D3DPT_TRIANGLESTRIP,
+                D3DFVF_XYZ | D3DFVF_DIFFUSE, quad, ARRAY_SIZE(quad), 0);
+        ok(hr == D3D_OK, "IDirect3DDevice7_DrawPrimitive failed, hr %#x.\n", hr);
+        hr = IDirect3DDevice7_EndScene(device);
+        ok(hr == D3D_OK, "IDirect3DDevice7_EndScene failed, hr %#x.\n", hr);
+        color = getPixelColor(device, 320, 240);
+        ok(color_match(color, test_data[i].color_greater, 1),
+                "Alphatest failed, color 0x%08x, expected 0x%08x, alpha > ref, func %u.\n",
+                color, test_data[i].color_greater, test_data[i].func);
+    }
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_ALPHATESTENABLE, FALSE);
+    ok(hr == D3D_OK, "IDirect3DDevice7_SetRenderState failed, hr %#x.\n", hr);
+}
+
 START_TEST(visual)
 {
     HRESULT hr;
@@ -1640,6 +1733,7 @@ START_TEST(visual)
     test_blend(Direct3DDevice);
     rhw_zero_test(Direct3DDevice);
     cubemap_test(Direct3DDevice);
+    alphatest_test(Direct3DDevice);
 
     releaseObjects(); /* release DX7 interfaces to test D3D1 */
 
-- 
2.20.1