Stefan Dösinger : ddraw: Table fog may be unsupported.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 17f1c294570150de3b45802224778914371a92de
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=17f1c294570150de3b45802224...

Author: Stefan Dösinger 
Date:   Tue Jul 24 16:20:45 2007 +0200

ddraw: Table fog may be unsupported.

---

dlls/ddraw/tests/visual.c |   20 ++++++++++++++++++--
 1 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/dlls/ddraw/tests/visual.c b/dlls/ddraw/tests/visual.c
index dcdcec5..930f3d5 100644
--- a/dlls/ddraw/tests/visual.c
+++ b/dlls/ddraw/tests/visual.c
@@ -364,6 +364,7 @@ static void fog_test(IDirect3DDevice7 *device)
     HRESULT hr;
     DWORD color;
     float start = 0.0, end = 1.0;
+    D3DDEVICEDESC7 caps;

/* Gets full z based fog with linear fog, no fog with specular color */
     struct sVertex unstransformed_1[] = {
@@ -396,6 +397,9 @@ static void fog_test(IDirect3DDevice7 *device)
     };
     WORD Indices[] = {0, 1, 2, 2, 3, 0};

+    memset(&caps, 0, sizeof(caps));
+    hr = IDirect3DDevice7_GetCaps(device, &caps);
+    ok(hr == D3D_OK, "IDirect3DDevice7_GetCaps returned %08x\n", hr);
     hr = IDirect3DDevice7_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffff00ff, 0.0, 0);
     ok(hr == D3D_OK, "IDirect3DDevice7_Clear returned %08x\n", hr);

@@ -466,8 +470,20 @@ static void fog_test(IDirect3DDevice7 *device)
     ok(color == 0x0000FF00, "Untransformed vertex with linear vertex fog has color %08x\n", color);
     color = getPixelColor(device, 480, 120);
     ok(color == 0x00FFFF00, "Transformed vertex with linear vertex fog has color %08x\n", color);
-    color = getPixelColor(device, 480, 360);
-    ok(color == 0x0000FF00, "Transformed vertex with linear table fog has color %08x\n", color);
+    if(caps.dpcTriCaps.dwRasterCaps & D3DPRASTERCAPS_FOGTABLE)
+    {
+        color = getPixelColor(device, 480, 360);
+        ok(color == 0x0000FF00, "Transformed vertex with linear table fog has color %08x\n", color);
+    }
+    else
+    {
+        /* Without fog table support the vertex fog is still applied, even though table fog is turned on.
+         * The settings above result in no fogging with vertex fog
+         */
+        color = getPixelColor(device, 480, 120);
+        ok(color == 0x00FFFF00, "Transformed vertex with linear vertex fog has color %08x\n", color);
+        trace("Info: Table fog not supported by this device\n");
+    }

/* Turn off the fog master switch to avoid confusing other tests */
     hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_FOGENABLE, FALSE);