If you have a windows license, you can use a native d3dx8.dll to check your test. That is I do ;)
 And as said henri said, the result matix will be the previous. I had a test to prove it
David

--- En date de : Sam 1.11.08, Jérôme Gardou <jerome.gardou@gmail.com> a écrit :
De: Jérôme Gardou <jerome.gardou@gmail.com>
Objet: Re: D3DXMatrixstack: where to go....
À: "Henri Verbeet" <hverbeet@gmail.com>
Cc: "wine-devel" <wine-devel@winehq.org>
Date: Samedi 1 Novembre 2008, 0h17

Henri Verbeet a écrit :
> 2008/10/31 Jérôme Gardou <jerome.gardou@gmail.com>:
>
>> OK, patches will be sent soon. By the way, what if I call multiply on
a new
>> stack, the push, then pop ? Will the top matrix be identity, or the
one with
>> which I multiplied the first time ?
>>
>> I guess this calls a testcase ...
>>
>>
> I think it should return the result of the multiplication, but tests
> wouldn't hurt, of course.
>
>
I think this should return identity...
Anyway, could someone try this one on a native installation ?
From b4c72e5e0737d6fa98f352765298bbc5f86d390a Mon Sep 17 00:00:00 2001 From: =?utf-8?q?J=C3=A9r=C3=B4me=20Gardou?= Date: Sat, 1 Nov 2008 00:13:53 +0100 Subject: [PATCH] Test to know whether the top of a matrix stack is ALWAYS identity --- dlls/d3dx8/tests/math.c | 15 ++++++++++++++- 1 files changed, 14 insertions(+), 1 deletions(-) diff --git a/dlls/d3dx8/tests/math.c b/dlls/d3dx8/tests/math.c index f38ff26..9f5207a 100644 --- a/dlls/d3dx8/tests/math.c +++ b/dlls/d3dx8/tests/math.c @@ -1442,7 +1442,7 @@ static void test_matrix_stack(void) hr = ID3DXMatrixStack_LoadMatrix(stack, NULL); ok(hr == D3DERR_INVALIDCALL, "LoadMatrix returned %#x, expected D3DERR_INVALIDCALL\n", hr); - + hr = ID3DXMatrixStack_LoadMatrix(stack, &mat1); ok(SUCCEEDED(hr), "LoadMatrix failed, hr %#x\n", hr); expect_mat(&mat1, ID3DXMatrixStack_GetTop(stack)); @@ -1479,6 +1479,19 @@ static void test_matrix_stack(void) ok(SUCCEEDED(hr), "Pop failed, hr %#x\n", hr); ok(D3DXMatrixIsIdentity(ID3DXMatrixStack_GetTop(stack)), "The top should be an identity matrix\n"); + hr = ID3DXMatrixStack_MultMatrix(stack, &mat2) ; + ok(SUCCEEDED(hr), "Multiplication failed"); + /* Identity * mat2 = mat2 */ + expect_mat(&mat2, ID3DXMatrixStack_GetTop(stack)) ; + + hr = ID3DXMatrixStack_Push(stack); + ok(SUCCEEDED(hr), "Push failed, hr %#x\n", hr); + + hr = ID3DXMatrixStack_Pop(stack); + ok(SUCCEEDED(hr), "Pop failed, hr %#x\n", hr); + /* here we are on the bottom of the stack... is it always identity? */ + ok(D3DXMatrixIsIdentity(ID3DXMatrixStack_GetTop(stack)), "The top should be an identity matrix\n"); + refcount = ID3DXMatrixStack_Release(stack); ok(!refcount, "Matrix stack has %u references left.\n", refcount); } -- 1.5.4.3