Stefan Dösinger : wined3d: Add a test for zenable= false, zwriteenable=false.
Alexandre Julliard
julliard at winehq.org
Thu Sep 11 08:00:13 CDT 2008
Module: wine
Branch: master
Commit: 631f751fe16f9896c20e5bb7e146613c3fca6129
URL: http://source.winehq.org/git/wine.git/?a=commit;h=631f751fe16f9896c20e5bb7e146613c3fca6129
Author: Stefan Dösinger <stefan at codeweavers.com>
Date: Sun Sep 7 20:04:34 2008 -0500
wined3d: Add a test for zenable=false, zwriteenable=false.
I suspected that in this situation d3d writes to the z buffer, but the
test shows that I was mistaken
---
dlls/d3d9/tests/visual.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/dlls/d3d9/tests/visual.c b/dlls/d3d9/tests/visual.c
index c889e7e..6538a60 100644
--- a/dlls/d3d9/tests/visual.c
+++ b/dlls/d3d9/tests/visual.c
@@ -9652,6 +9652,65 @@ static void dp3_alpha_test(IDirect3DDevice9 *device) {
ok(hr == D3D_OK, "IDirect3DDevice9_SetTextureStageState failed with 0x%08x\n", hr);
}
+static void zwriteenable_test(IDirect3DDevice9 *device) {
+ HRESULT hr;
+ DWORD color;
+ struct vertex quad1[] = {
+ { -1.0, -1.0, 0.1, 0x00ff0000},
+ { -1.0, 1.0, 0.1, 0x00ff0000},
+ { 1.0, -1.0, 0.1, 0x00ff0000},
+ { 1.0, 1.0, 0.1, 0x00ff0000},
+ };
+ struct vertex quad2[] = {
+ { -1.0, -1.0, 0.9, 0x0000ff00},
+ { -1.0, 1.0, 0.9, 0x0000ff00},
+ { 1.0, -1.0, 0.9, 0x0000ff00},
+ { 1.0, 1.0, 0.9, 0x0000ff00},
+ };
+
+ hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0x000000ff, 1.0f, 0);
+ ok(hr == D3D_OK, "IDirect3DDevice9_Clear failed with 0x%08x\n", hr);
+
+ hr = IDirect3DDevice9_SetFVF(device, D3DFVF_XYZ | D3DFVF_DIFFUSE);
+ ok(hr == D3D_OK, "IDirect3DDevice9_SetFVF failed with 0x%08x\n", hr);
+ hr = IDirect3DDevice9_SetRenderState(device, D3DRS_ZENABLE, D3DZB_FALSE);
+ ok(hr == D3D_OK, "IDirect3DDevice9_SetRenderState failed with 0x%08x\n", hr);
+ hr = IDirect3DDevice9_SetRenderState(device, D3DRS_ZWRITEENABLE, TRUE);
+ ok(hr == D3D_OK, "IDirect3DDevice9_SetRenderState failed with 0x%08x\n", hr);
+ hr = IDirect3DDevice9_SetRenderState(device, D3DRS_ZFUNC, D3DCMP_LESSEQUAL);
+ ok(hr == D3D_OK, "IDirect3DDevice9_SetRenderState failed with 0x%08x\n", hr);
+
+ hr = IDirect3DDevice9_BeginScene(device);
+ ok(hr == D3D_OK, "IDirect3DDevice9_BeginScene failed with 0x%08x\n", hr);
+ if(SUCCEEDED(hr)) {
+ /* The Z buffer is filled with 1.0. Draw a red quad with z = 0.1, zenable = D3DZB_FALSE, zwriteenable = TRUE.
+ * The red color is written because the z test is disabled. The question is wether the z = 0.1 values
+ * are written into the Z buffer. After the draw, set zenable = TRUE and draw a green quad at z = 0.9.
+ * If the values are written, the z test will fail(0.9 > 0.1) and the red color remains. If the values
+ * are not written, the z test succeeds(0.9 < 1.0) and the green color is written. It turns out that
+ * the screen is green, so zenable = D3DZB_FALSE and zwriteenable = TRUE does NOT write to the z buffer.
+ */
+ hr = IDirect3DDevice9_DrawPrimitiveUP(device, D3DPT_TRIANGLESTRIP, 2, quad1, sizeof(*quad1));
+ ok(SUCCEEDED(hr), "DrawPrimitiveUP failed with 0x%08x\n", hr);
+ hr = IDirect3DDevice9_SetRenderState(device, D3DRS_ZENABLE, D3DZB_TRUE);
+ ok(hr == D3D_OK, "IDirect3DDevice9_SetRenderState failed with 0x%08x\n", hr);
+ hr = IDirect3DDevice9_DrawPrimitiveUP(device, D3DPT_TRIANGLESTRIP, 2, quad2, sizeof(*quad2));
+ ok(SUCCEEDED(hr), "DrawPrimitiveUP failed with 0x%08x\n", hr);
+
+ hr = IDirect3DDevice9_EndScene(device);
+ ok(hr == D3D_OK, "IDirect3DDevice9_BeginScene failed with 0x%08x\n", hr);
+ }
+
+ hr = IDirect3DDevice9_Present(device, NULL, NULL, NULL, NULL);
+ ok(SUCCEEDED(hr), "IDirect3DDevice9_Present failed with 0x%08x\n", hr);
+ color = getPixelColor(device, 320, 240);
+ ok(color_match(color, 0x0000ff00, 1), "zwriteenable test returned 0x%08x, expected 0x0000ff00\n",
+ color);
+
+ hr = IDirect3DDevice9_SetRenderState(device, D3DRS_ZENABLE, D3DZB_FALSE);
+ ok(hr == D3D_OK, "IDirect3DDevice9_SetRenderState failed with 0x%08x\n", hr);
+}
+
START_TEST(visual)
{
IDirect3DDevice9 *device_ptr;
@@ -9748,6 +9807,7 @@ START_TEST(visual)
tssargtemp_test(device_ptr);
np2_stretch_rect_test(device_ptr);
yuv_color_test(device_ptr);
+ zwriteenable_test(device_ptr);
if (caps.VertexShaderVersion >= D3DVS_VERSION(1, 1))
{
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