D3D9: Add a test for default texture stage state values

[H. Verbeet]

Changelog:
  - Add a test for default texture stage state values
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diff --git a/dlls/d3d9/tests/Makefile.in b/dlls/d3d9/tests/Makefile.in
index 1e825ae..336ca76 100644
--- a/dlls/d3d9/tests/Makefile.in
+++ b/dlls/d3d9/tests/Makefile.in
@@ -11,6 +11,7 @@ CTESTS = \
 	shader.c \
 	stateblock.c \
 	surface.c \
+	texture.c \
 	vertexdeclaration.c \
 	volume.c
 
diff --git a/dlls/d3d9/tests/texture.c b/dlls/d3d9/tests/texture.c
new file mode 100644
index 0000000..c1e1269
--- /dev/null
+++ b/dlls/d3d9/tests/texture.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2006 Henri Verbeet
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#define COBJMACROS
+#include <d3d9.h>
+#include "wine/test.h"
+
+static HWND create_window(void)
+{
+    WNDCLASS wc = {0};
+    wc.lpfnWndProc = &DefWindowProc;
+    wc.lpszClassName = "d3d9_test_wc";
+    RegisterClass(&wc);
+
+    return CreateWindow("d3d9_test_wc", "d3d9_test",
+            0, 0, 0, 0, 0, 0, 0, 0, 0);
+}
+
+static IDirect3DDevice9 *init_d3d9(HMODULE d3d9_handle)
+{
+    IDirect3D9 * (__stdcall * d3d9_create)(UINT SDKVersion) = 0;
+    IDirect3D9 *d3d9_ptr = 0;
+    IDirect3DDevice9 *device_ptr = 0;
+    D3DPRESENT_PARAMETERS present_parameters;
+    HRESULT hr;
+
+    d3d9_create = (void *)GetProcAddress(d3d9_handle, "Direct3DCreate9");
+    ok(d3d9_create != NULL, "Failed to get address of Direct3DCreate9\n");
+    if (!d3d9_create) return NULL;
+
+    d3d9_ptr = d3d9_create(D3D_SDK_VERSION);
+    ok(d3d9_ptr != NULL, "Failed to create IDirect3D9 object\n");
+    if (!d3d9_ptr) return NULL;
+
+    ZeroMemory(&present_parameters, sizeof(present_parameters));
+    present_parameters.Windowed = TRUE;
+    present_parameters.hDeviceWindow = create_window();
+    present_parameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
+
+    hr = IDirect3D9_CreateDevice(d3d9_ptr, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            NULL, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &present_parameters, &device_ptr);
+    ok(SUCCEEDED(hr), "IDirect3D_CreateDevice returned %#lx\n", hr);
+
+    return device_ptr;
+}
+
+static void test_texture_stage_state(IDirect3DDevice9 *device_ptr, DWORD stage, D3DTEXTURESTAGESTATETYPE type, DWORD expected)
+{
+    DWORD value;
+
+    HRESULT hr = IDirect3DDevice9_GetTextureStageState(device_ptr, stage, type, &value);
+    ok(SUCCEEDED(hr) && value == expected, "GetTextureStageState (stage %#lx, type %#x) returned: hr %#lx, value %#lx. "
+        "Expected hr %#lx, value %#lx\n", stage, type, hr, value, D3D_OK, expected);
+}
+
+/* Test the default texture stage state values */
+static void test_texture_stage_states(IDirect3DDevice9 *device_ptr, int num_stages)
+{
+    int i;
+    for (i = 0; i < num_stages; ++i)
+    {
+        test_texture_stage_state(device_ptr, i, D3DTSS_COLOROP, i ? D3DTOP_DISABLE : D3DTOP_MODULATE);
+        test_texture_stage_state(device_ptr, i, D3DTSS_COLORARG1, D3DTA_TEXTURE);
+        test_texture_stage_state(device_ptr, i, D3DTSS_COLORARG2, D3DTA_CURRENT);
+        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAOP, i ? D3DTOP_DISABLE : D3DTOP_SELECTARG1);
+        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
+        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAARG2, D3DTA_CURRENT);
+        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT00, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT01, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT10, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT11, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_TEXCOORDINDEX, i);
+        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVLSCALE, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVLOFFSET, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_DISABLE);
+        test_texture_stage_state(device_ptr, i, D3DTSS_COLORARG0, D3DTA_CURRENT);
+        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAARG0, D3DTA_CURRENT);
+        test_texture_stage_state(device_ptr, i, D3DTSS_RESULTARG, D3DTA_CURRENT);
+        test_texture_stage_state(device_ptr, i, D3DTSS_CONSTANT, 0);
+        test_texture_stage_state(device_ptr, i, D3DTSS_FORCE_DWORD, 0);
+    }
+}
+
+START_TEST(texture)
+{
+    D3DCAPS9 caps;
+    HMODULE d3d9_handle;
+    IDirect3DDevice9 *device_ptr;
+
+    d3d9_handle = LoadLibraryA("d3d9.dll");
+    if (!d3d9_handle)
+    {
+        trace("Could not load d3d9.dll, skipping tests\n");
+        return;
+    }
+
+    device_ptr = init_d3d9(d3d9_handle);
+    if (!device_ptr) return;
+
+    IDirect3DDevice9_GetDeviceCaps(device_ptr, &caps);
+
+    test_texture_stage_states(device_ptr, caps.MaxTextureBlendStages);
+}