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d3dx8: Implement D3DXComputeBoundingBox.

This commit is contained in:
David Adam 2009-02-06 11:42:01 +01:00 committed by Alexandre Julliard
parent 0ccc431a94
commit f1bb04ff8a
4 changed files with 98 additions and 1 deletions
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2
dlls/d3dx8/d3dx8.spec
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@ -93,7 +93,7 @@
@ stub D3DXGeneratePMesh
@ stub D3DXSimplifyMesh
@ stdcall D3DXComputeBoundingSphere(ptr long long ptr ptr)
@ stub D3DXComputeBoundingBox
@ stdcall D3DXComputeBoundingBox(ptr long long ptr ptr)
@ stub D3DXComputeNormals
@ stdcall D3DXCreateBuffer(long ptr)
@ stub D3DXLoadMeshFromX

28
dlls/d3dx8/mesh.c
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@ -97,6 +97,34 @@ done we've got an intersection of the ray with the box.
return TRUE;
}
HRESULT WINAPI D3DXComputeBoundingBox(PVOID ppointsFVF, DWORD numvertices, DWORD FVF, D3DXVECTOR3 *pmin, D3DXVECTOR3 *pmax)
{
D3DXVECTOR3 vec;
unsigned int i;
if( !ppointsFVF || !pmin || !pmax ) return D3DERR_INVALIDCALL;
*pmin = *(D3DXVECTOR3*)((char*)ppointsFVF);
*pmax = *pmin;
/* It looks like that D3DXComputeBoundingBox does not take in account the last vertex. */
for(i=0; i<numvertices-1; i++)
{
vec = *(D3DXVECTOR3*)((char*)ppointsFVF + D3DXGetFVFVertexSize(FVF) * i);
if ( vec.x < pmin->x ) pmin->x = vec.x;
if ( vec.x > pmax->x ) pmax->x = vec.x;
if ( vec.y < pmin->y ) pmin->y = vec.y;
if ( vec.y > pmax->y ) pmax->y = vec.y;
if ( vec.z < pmin->z ) pmin->z = vec.z;
if ( vec.z > pmax->z ) pmax->z = vec.z;
}
return D3D_OK;
}
HRESULT WINAPI D3DXComputeBoundingSphere(PVOID ppointsFVF, DWORD numvertices, DWORD FVF, D3DXVECTOR3 *pcenter, FLOAT *pradius)
{
D3DXVECTOR3 temp, temp1;

68
dlls/d3dx8/tests/mesh.c
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@ -111,6 +111,73 @@ static void D3DXBoundProbeTest(void)
ok(result == FALSE, "expected FALSE, received TRUE\n");
}
static void D3DXComputeBoundingBoxTest(void)
{
D3DXVECTOR3 exp_max, exp_min, got_max, got_min, vertex[5];
HRESULT hr;
vertex[0].x = 1.0f; vertex[0].y = 1.0f; vertex[0].z = 1.0f;
vertex[1].x = 1.0f; vertex[1].y = 1.0f; vertex[1].z = 1.0f;
vertex[2].x = 1.0f; vertex[2].y = 1.0f; vertex[2].z = 1.0f;
vertex[3].x = 1.0f; vertex[3].y = 1.0f; vertex[3].z = 1.0f;
vertex[4].x = 9.0f; vertex[4].y = 9.0f; vertex[4].z = 9.0f;
exp_min.x = 1.0f; exp_min.y = 1.0f; exp_min.z = 1.0f;
exp_max.x = 1.0f; exp_max.y = 1.0f; exp_max.z = 1.0f;
hr = D3DXComputeBoundingBox(&vertex[3],2,D3DFVF_XYZ,&got_min,&got_max);
ok( hr == D3D_OK, "Expected D3D_OK, got %#x\n", hr);
ok( compare_vec3(exp_min,got_min), "Expected min: (%f, %f, %f), got: (%f, %f, %f)\n", exp_min.x,exp_min.y,exp_min.z,got_min.x,got_min.y,got_min.z);
ok( compare_vec3(exp_max,got_max), "Expected max: (%f, %f, %f), got: (%f, %f, %f)\n", exp_max.x,exp_max.y,exp_max.z,got_max.x,got_max.y,got_max.z);
/*________________________*/
vertex[0].x = 2.0f; vertex[0].y = 5.9f; vertex[0].z = -1.2f;
vertex[1].x = -1.87f; vertex[1].y = 7.9f; vertex[1].z = 7.4f;
vertex[2].x = 7.43f; vertex[2].y = -0.9f; vertex[2].z = 11.9f;
vertex[3].x = -6.92f; vertex[3].y = 6.3f; vertex[3].z = -3.8f;
vertex[4].x = 11.4f; vertex[4].y = -8.1f; vertex[4].z = 4.5f;
exp_min.x = -6.92f; exp_min.y = -0.90f; exp_min.z = -3.80f;
exp_max.x = 7.43f; exp_max.y = 7.90f; exp_max.z = 11.9f;
hr = D3DXComputeBoundingBox(&vertex[0],5,D3DFVF_XYZ,&got_min,&got_max);
ok( hr == D3D_OK, "Expected D3D_OK, got %#x\n", hr);
ok( compare_vec3(exp_min,got_min), "Expected min: (%f, %f, %f), got: (%f, %f, %f)\n", exp_min.x,exp_min.y,exp_min.z,got_min.x,got_min.y,got_min.z);
ok( compare_vec3(exp_max,got_max), "Expected max: (%f, %f, %f), got: (%f, %f, %f)\n", exp_max.x,exp_max.y,exp_max.z,got_max.x,got_max.y,got_max.z);
/*________________________*/
vertex[0].x = 2.0f; vertex[0].y = 5.9f; vertex[0].z = -1.2f;
vertex[1].x = -1.87f; vertex[1].y = 7.9f; vertex[1].z = 7.4f;
vertex[2].x = 7.43f; vertex[2].y = -0.9f; vertex[2].z = 11.9f;
vertex[3].x = -6.92f; vertex[3].y = 6.3f; vertex[3].z = -3.8f;
vertex[4].x = 11.4f; vertex[4].y = -8.1f; vertex[4].z = 4.5f;
exp_min.x = -1.87f; exp_min.y = -0.90f; exp_min.z = -1.20f;
exp_max.x = 7.43f; exp_max.y = 7.90f; exp_max.z = 11.9f;
hr = D3DXComputeBoundingBox(&vertex[0],4,D3DFVF_XYZ,&got_min,&got_max);
ok( hr == D3D_OK, "Expected D3D_OK, got %#x\n", hr);
ok( compare_vec3(exp_min,got_min), "Expected min: (%f, %f, %f), got: (%f, %f, %f)\n", exp_min.x,exp_min.y,exp_min.z,got_min.x,got_min.y,got_min.z);
ok( compare_vec3(exp_max,got_max), "Expected max: (%f, %f, %f), got: (%f, %f, %f)\n", exp_max.x,exp_max.y,exp_max.z,got_max.x,got_max.y,got_max.z);
/*________________________*/
hr = D3DXComputeBoundingBox(NULL,5,D3DFVF_XYZ,&got_min,&got_max);
ok( hr == D3DERR_INVALIDCALL, "Expected D3DERR_INVALIDCALL, got %#x\n", hr);
/*________________________*/
hr = D3DXComputeBoundingBox(&vertex[3],5,D3DFVF_XYZ,NULL,&got_max);
ok( hr == D3DERR_INVALIDCALL, "Expected D3DERR_INVALIDCALL, got %#x\n", hr);
/*________________________*/
hr = D3DXComputeBoundingBox(&vertex[3],5,D3DFVF_XYZ,&got_min,NULL);
ok( hr == D3DERR_INVALIDCALL, "Expected D3DERR_INVALIDCALL, got %#x\n", hr);
}
static void D3DXComputeBoundingSphereTest(void)
{
D3DXVECTOR3 exp_cen, got_cen, vertex[5];
@ -322,6 +389,7 @@ static void D3DXIntersectTriTest(void)
START_TEST(mesh)
{
D3DXBoundProbeTest();
D3DXComputeBoundingBoxTest();
D3DXComputeBoundingSphereTest();
D3DXGetFVFVertexSizeTest();
D3DXIntersectTriTest();

1
include/d3dx8mesh.h
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@ -31,6 +31,7 @@ UINT WINAPI D3DXGetFVFVertexSize(DWORD);
BOOL WINAPI D3DXBoxBoundProbe(CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *);
BOOL WINAPI D3DXSphereBoundProbe(CONST D3DXVECTOR3 *,FLOAT,CONST D3DXVECTOR3 *,CONST D3DXVECTOR3 *);
BOOL CDECL D3DXIntersectTri(CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, CONST D3DXVECTOR3 *, FLOAT *, FLOAT *, FLOAT *);
HRESULT WINAPI D3DXComputeBoundingBox(PVOID, DWORD, DWORD, D3DXVECTOR3 *, D3DXVECTOR3 *);
HRESULT WINAPI D3DXComputeBoundingSphere(PVOID, DWORD, DWORD, D3DXVECTOR3 *, FLOAT *);
#ifdef __cplusplus