[PATCH 2/3] d3dx9_36: Fix D3DXCheckTextureRequirements to return D3DFMT_A8R8G8B8 when d3d doesn't support D3DFMT_P8 + tests.

[Christian Costa]

---
 dlls/d3dx9_36/tests/texture.c |   11 +++++++++++
 dlls/d3dx9_36/util.c          |    1 +
 2 files changed, 12 insertions(+)

diff --git a/dlls/d3dx9_36/tests/texture.c b/dlls/d3dx9_36/tests/texture.c
index 782864c..fd072c8 100644
--- a/dlls/d3dx9_36/tests/texture.c
+++ b/dlls/d3dx9_36/tests/texture.c
@@ -329,6 +329,17 @@ static void test_D3DXCheckTextureRequirements(IDirect3DDevice9 *device)
     ok(hr == D3D_OK, "D3DXCheckTextureRequirements returned %#x, expected %#x\n", hr, D3D_OK);
     ok(format == expected, "Returned format %u, expected %u\n", format, expected);
 
+    if(SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, params.AdapterOrdinal, params.DeviceType,
+                                              mode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_P8)))
+        expected = D3DFMT_P8;
+    else
+        expected = D3DFMT_A8R8G8B8;
+
+    format = D3DFMT_P8;
+    hr = D3DXCheckTextureRequirements(device, NULL, NULL, NULL, 0, &format, D3DPOOL_DEFAULT);
+    ok(hr == D3D_OK, "D3DXCheckTextureRequirements returned %#x, expected %#x\n", hr, D3D_OK);
+    ok(format == expected, "Returned format %u, expected %u\n", format, expected);
+
     IDirect3D9_Release(d3d);
 }
 
diff --git a/dlls/d3dx9_36/util.c b/dlls/d3dx9_36/util.c
index 9ba54e2..376fe89 100644
--- a/dlls/d3dx9_36/util.c
+++ b/dlls/d3dx9_36/util.c
@@ -73,6 +73,7 @@ static const struct pixel_format_desc formats[] =
     {D3DFMT_DXT5,          { 0,  0,  0,  0}, { 0,  0,  0,  0},  1, 4, 4, 16, FORMAT_DXT,     NULL,         NULL      },
     {D3DFMT_A16B16G16R16F, {16, 16, 16, 16}, {48,  0, 16, 32},  8, 1, 1,  8, FORMAT_ARGBF16, NULL,         NULL      },
     {D3DFMT_A32B32G32R32F, {32, 32, 32, 32}, {96,  0, 32, 64}, 16, 1, 1, 16, FORMAT_ARGBF,   NULL,         NULL      },
+    {D3DFMT_P8,            { 8,  8,  8,  8}, { 0,  0,  0,  0},  1, 1, 1,  1, FORMAT_UNKNOWN, NULL,         NULL      },
     /* marks last element */
     {D3DFMT_UNKNOWN,       { 0,  0,  0,  0}, { 0,  0,  0,  0},  0, 1, 1,  0, FORMAT_UNKNOWN, NULL,         NULL      },
 };