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d3dx9_36: Implement D3DXCreateSphere.

This commit is contained in:
Misha Koshelev 2010-09-23 16:22:34 -05:00 committed by Alexandre Julliard
parent 99e2aedbf7
commit d7d9cd5eb2
2 changed files with 229 additions and 11 deletions
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222
dlls/d3dx9_36/mesh.c
View File

@ -1063,12 +1063,230 @@ HRESULT WINAPI D3DXCreateBox(LPDIRECT3DDEVICE9 device, FLOAT width, FLOAT height
return E_NOTIMPL;
}
struct vertex
{
D3DXVECTOR3 position;
D3DXVECTOR3 normal;
};
typedef WORD face[3];
struct sincos_table
{
float *sin;
float *cos;
};
static void free_sincos_table(struct sincos_table *sincos_table)
{
HeapFree(GetProcessHeap(), 0, sincos_table->cos);
HeapFree(GetProcessHeap(), 0, sincos_table->sin);
}
/* pre compute sine and cosine tables; caller must free */
static BOOL compute_sincos_table(struct sincos_table *sincos_table, float angle_start, float angle_step, int n)
{
float angle;
int i;
sincos_table->sin = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->sin));
if (!sincos_table->sin)
{
return FALSE;
}
sincos_table->cos = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*sincos_table->cos));
if (!sincos_table->cos)
{
HeapFree(GetProcessHeap(), 0, sincos_table->sin);
return FALSE;
}
angle = angle_start;
for (i = 0; i < n; i++)
{
sincos_table->sin[i] = sin(angle);
sincos_table->cos[i] = cos(angle);
angle += angle_step;
}
return TRUE;
}
static WORD sphere_vertex(UINT slices, int slice, int stack)
{
return stack*slices+slice+1;
}
HRESULT WINAPI D3DXCreateSphere(LPDIRECT3DDEVICE9 device, FLOAT radius, UINT slices,
UINT stacks, LPD3DXMESH* mesh, LPD3DXBUFFER* adjacency)
{
FIXME("(%p, %f, %d, %d, %p, %p): stub\n", device, radius, slices, stacks, mesh, adjacency);
DWORD number_of_vertices, number_of_faces;
HRESULT hr;
ID3DXMesh *sphere;
struct vertex *vertices;
face *faces;
float phi_step, phi_start;
struct sincos_table phi;
float theta_step, theta, sin_theta, cos_theta;
DWORD vertex, face;
int slice, stack;
return E_NOTIMPL;
TRACE("(%p, %f, %u, %u, %p, %p)\n", device, radius, slices, stacks, mesh, adjacency);
if (!device || radius < 0.0f || slices < 2 || stacks < 2 || !mesh)
{
return D3DERR_INVALIDCALL;
}
if (adjacency)
{
FIXME("Case of adjacency != NULL not implemented.\n");
return E_NOTIMPL;
}
number_of_vertices = 2 + slices * (stacks-1);
number_of_faces = 2 * slices + (stacks - 2) * (2 * slices);
hr = D3DXCreateMeshFVF(number_of_faces, number_of_vertices, D3DXMESH_MANAGED,
D3DFVF_XYZ | D3DFVF_NORMAL, device, &sphere);
if (FAILED(hr))
{
return hr;
}
hr = sphere->lpVtbl->LockVertexBuffer(sphere, D3DLOCK_DISCARD, (LPVOID *)&vertices);
if (FAILED(hr))
{
sphere->lpVtbl->Release(sphere);
return hr;
}
hr = sphere->lpVtbl->LockIndexBuffer(sphere, D3DLOCK_DISCARD, (LPVOID *)&faces);
if (FAILED(hr))
{
sphere->lpVtbl->UnlockVertexBuffer(sphere);
sphere->lpVtbl->Release(sphere);
return hr;
}
/* phi = angle on xz plane wrt z axis */
phi_step = -2 * M_PI / slices;
phi_start = M_PI / 2;
if (!compute_sincos_table(&phi, phi_start, phi_step, slices))
{
sphere->lpVtbl->UnlockIndexBuffer(sphere);
sphere->lpVtbl->UnlockVertexBuffer(sphere);
sphere->lpVtbl->Release(sphere);
return E_OUTOFMEMORY;
}
/* theta = angle on xy plane wrt x axis */
theta_step = M_PI / stacks;
theta = theta_step;
vertex = 0;
face = 0;
stack = 0;
vertices[vertex].normal.x = 0.0f;
vertices[vertex].normal.y = 0.0f;
vertices[vertex].normal.z = 1.0f;
vertices[vertex].position.x = 0.0f;
vertices[vertex].position.y = 0.0f;
vertices[vertex].position.z = radius;
vertex++;
for (stack = 0; stack < stacks - 1; stack++)
{
sin_theta = sin(theta);
cos_theta = cos(theta);
for (slice = 0; slice < slices; slice++)
{
vertices[vertex].normal.x = sin_theta * phi.cos[slice];
vertices[vertex].normal.y = sin_theta * phi.sin[slice];
vertices[vertex].normal.z = cos_theta;
vertices[vertex].position.x = radius * sin_theta * phi.cos[slice];
vertices[vertex].position.y = radius * sin_theta * phi.sin[slice];
vertices[vertex].position.z = radius * cos_theta;
vertex++;
if (slice > 0)
{
if (stack == 0)
{
/* top stack is triangle fan */
faces[face][0] = 0;
faces[face][1] = slice + 1;
faces[face][2] = slice;
face++;
}
else
{
/* stacks in between top and bottom are quad strips */
faces[face][0] = sphere_vertex(slices, slice-1, stack-1);
faces[face][1] = sphere_vertex(slices, slice, stack-1);
faces[face][2] = sphere_vertex(slices, slice-1, stack);
face++;
faces[face][0] = sphere_vertex(slices, slice, stack-1);
faces[face][1] = sphere_vertex(slices, slice, stack);
faces[face][2] = sphere_vertex(slices, slice-1, stack);
face++;
}
}
}
theta += theta_step;
if (stack == 0)
{
faces[face][0] = 0;
faces[face][1] = 1;
faces[face][2] = slice;
face++;
}
else
{
faces[face][0] = sphere_vertex(slices, slice-1, stack-1);
faces[face][1] = sphere_vertex(slices, 0, stack-1);
faces[face][2] = sphere_vertex(slices, slice-1, stack);
face++;
faces[face][0] = sphere_vertex(slices, 0, stack-1);
faces[face][1] = sphere_vertex(slices, 0, stack);
faces[face][2] = sphere_vertex(slices, slice-1, stack);
face++;
}
}
vertices[vertex].position.x = 0.0f;
vertices[vertex].position.y = 0.0f;
vertices[vertex].position.z = -radius;
vertices[vertex].normal.x = 0.0f;
vertices[vertex].normal.y = 0.0f;
vertices[vertex].normal.z = -1.0f;
/* bottom stack is triangle fan */
for (slice = 1; slice < slices; slice++)
{
faces[face][0] = sphere_vertex(slices, slice-1, stack-1);
faces[face][1] = sphere_vertex(slices, slice, stack-1);
faces[face][2] = vertex;
face++;
}
faces[face][0] = sphere_vertex(slices, slice-1, stack-1);
faces[face][1] = sphere_vertex(slices, 0, stack-1);
faces[face][2] = vertex;
free_sincos_table(&phi);
sphere->lpVtbl->UnlockIndexBuffer(sphere);
sphere->lpVtbl->UnlockVertexBuffer(sphere);
*mesh = sphere;
return D3D_OK;
}
HRESULT WINAPI D3DXCreateTeapot(LPDIRECT3DDEVICE9 device, LPD3DXMESH *mesh, LPD3DXBUFFER* adjacency)

18
dlls/d3dx9_36/tests/mesh.c
View File

@ -1537,7 +1537,7 @@ static void test_sphere(IDirect3DDevice9 *device, FLOAT radius, UINT slices, UIN
char name[256];
hr = D3DXCreateSphere(device, radius, slices, stacks, &sphere, NULL);
todo_wine ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);
ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK)\n", hr);
if (hr != D3D_OK)
{
skip("Couldn't create sphere\n");
@ -1571,16 +1571,16 @@ static void D3DXCreateSphereTest(void)
ID3DXMesh* sphere = NULL;
hr = D3DXCreateSphere(NULL, 0.0f, 0, 0, NULL, NULL);
todo_wine ok( hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
hr = D3DXCreateSphere(NULL, 0.1f, 0, 0, NULL, NULL);
todo_wine ok( hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
hr = D3DXCreateSphere(NULL, 0.0f, 1, 0, NULL, NULL);
todo_wine ok( hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
hr = D3DXCreateSphere(NULL, 0.0f, 0, 1, NULL, NULL);
todo_wine ok( hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
wnd = CreateWindow("static", "d3dx9_test", 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
d3d = Direct3DCreate9(D3D_SDK_VERSION);
@ -1609,16 +1609,16 @@ static void D3DXCreateSphereTest(void)
}
hr = D3DXCreateSphere(device, 1.0f, 1, 1, &sphere, NULL);
todo_wine ok( hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n",hr,D3DERR_INVALIDCALL);
hr = D3DXCreateSphere(device, 1.0f, 2, 1, &sphere, NULL);
todo_wine ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);
hr = D3DXCreateSphere(device, 1.0f, 1, 2, &sphere, NULL);
todo_wine ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);
hr = D3DXCreateSphere(device, -0.1f, 1, 2, &sphere, NULL);
todo_wine ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);
ok(hr == D3DERR_INVALIDCALL, "Got result %x, expected %x (D3DERR_INVALIDCALL)\n", hr, D3DERR_INVALIDCALL);
test_sphere(device, 0.0f, 2, 2);
test_sphere(device, 1.0f, 2, 2);