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
This commit is contained in:
Stefan Dösinger 2008-09-07 20:04:34 -05:00 committed by Alexandre Julliard
parent ae7572217d
commit 631f751fe1

View file

@ -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))
{