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wine/dlls/ddraw/viewport.c
Zebediah Figura 9fdc3fd8bb wined3d: Introduce a wined3d_bound_range() helper. 
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-07-07 18:14:35 +02:00

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/* Direct3D Viewport
* Copyright (c) 1998 Lionel ULMER
* Copyright (c) 2006-2007 Stefan DÖSINGER
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "ddraw_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
/*****************************************************************************
* Helper functions
*****************************************************************************/
static void update_clip_space(struct d3d_device *device,
struct wined3d_vec3 *scale, struct wined3d_vec3 *offset)
{
struct wined3d_matrix clip_space =
{
scale->x, 0.0f, 0.0f, 0.0f,
0.0f, scale->y, 0.0f, 0.0f,
0.0f, 0.0f, scale->z, 0.0f,
offset->x, offset->y, offset->z, 1.0f,
};
struct wined3d_matrix projection;
multiply_matrix(&projection, &clip_space, &device->legacy_projection);
wined3d_stateblock_set_transform(device->state, WINED3D_TS_PROJECTION, &projection);
device->legacy_clipspace = clip_space;
}
/*****************************************************************************
* viewport_activate
*
* activates the viewport using IDirect3DDevice7::SetViewport
*
*****************************************************************************/
void viewport_activate(struct d3d_viewport *This, BOOL ignore_lights)
{
struct wined3d_vec3 scale, offset;
D3DVIEWPORT7 vp;
if (!ignore_lights)
{
struct d3d_light *light;
/* Activate all the lights associated with this context */
LIST_FOR_EACH_ENTRY(light, &This->light_list, struct d3d_light, entry)
{
light_activate(light);
}
}
if (This->version == DDRAW_VIEWPORT_VERSION_NONE)
{
TRACE("Viewport data was not set.\n");
return;
}
/* And copy the values in the structure used by the device */
if (This->version == DDRAW_VIEWPORT_VERSION_2)
{
vp.dwX = This->viewports.vp2.dwX;
vp.dwY = This->viewports.vp2.dwY;
vp.dwHeight = This->viewports.vp2.dwHeight;
vp.dwWidth = This->viewports.vp2.dwWidth;
vp.dvMinZ = 0.0f;
vp.dvMaxZ = 1.0f;
scale.x = 2.0f / This->viewports.vp2.dvClipWidth;
scale.y = 2.0f / This->viewports.vp2.dvClipHeight;
scale.z = 1.0f / (This->viewports.vp2.dvMaxZ - This->viewports.vp2.dvMinZ);
offset.x = -2.0f * This->viewports.vp2.dvClipX / This->viewports.vp2.dvClipWidth - 1.0f;
offset.y = -2.0f * This->viewports.vp2.dvClipY / This->viewports.vp2.dvClipHeight + 1.0f;
offset.z = -This->viewports.vp2.dvMinZ / (This->viewports.vp2.dvMaxZ - This->viewports.vp2.dvMinZ);
}
else
{
vp.dwX = This->viewports.vp1.dwX;
vp.dwY = This->viewports.vp1.dwY;
vp.dwHeight = This->viewports.vp1.dwHeight;
vp.dwWidth = This->viewports.vp1.dwWidth;
vp.dvMinZ = 0.0f;
vp.dvMaxZ = 1.0f;
scale.x = 2.0f * This->viewports.vp1.dvScaleX / This->viewports.vp1.dwWidth;
scale.y = 2.0f * This->viewports.vp1.dvScaleY / This->viewports.vp1.dwHeight;
scale.z = 1.0f;
offset.x = 0.0f;
offset.y = 0.0f;
offset.z = 0.0f;
}
update_clip_space(This->active_device, &scale, &offset);
IDirect3DDevice7_SetViewport(&This->active_device->IDirect3DDevice7_iface, &vp);
}
void viewport_deactivate(struct d3d_viewport *viewport)
{
struct d3d_light *light;
LIST_FOR_EACH_ENTRY(light, &viewport->light_list, struct d3d_light, entry)
{
light_deactivate(light);
}
}
void viewport_alloc_active_light_index(struct d3d_light *light)
{
struct d3d_viewport *vp = light->active_viewport;
unsigned int i;
DWORD map;
TRACE("vp %p, light %p, index %u, active_lights_count %u.\n",
vp, light, light->active_light_index, vp->active_lights_count);
if (light->active_light_index)
return;
if (vp->active_lights_count >= DDRAW_MAX_ACTIVE_LIGHTS)
{
struct d3d_light *l;
LIST_FOR_EACH_ENTRY(l, &vp->light_list, struct d3d_light, entry)
{
if (l->active_light_index)
{
WARN("Too many active lights, viewport %p, light %p, deactivating %p.\n", vp, light, l);
light_deactivate(l);
/* Recycle active lights in a FIFO way. */
list_remove(&light->entry);
list_add_tail(&vp->light_list, &light->entry);
break;
}
}
}
map = ~vp->map_lights;
assert(vp->active_lights_count < DDRAW_MAX_ACTIVE_LIGHTS && map);
i = wined3d_bit_scan(&map);
light->active_light_index = i + 1;
++vp->active_lights_count;
vp->map_lights |= 1u << i;
}
void viewport_free_active_light_index(struct d3d_light *light)
{
struct d3d_viewport *vp = light->active_viewport;
TRACE("vp %p, light %p, index %u, active_lights_count %u, map_lights %#x.\n",
vp, light, light->active_light_index, vp->active_lights_count, vp->map_lights);
if (!light->active_light_index)
return;
assert(vp->map_lights & (1u << (light->active_light_index - 1)));
--vp->active_lights_count;
vp->map_lights &= ~(1u << (light->active_light_index - 1));
light->active_light_index = 0;
}
/*****************************************************************************
* _dump_D3DVIEWPORT, _dump_D3DVIEWPORT2
*
* Writes viewport information to TRACE
*
*****************************************************************************/
static void _dump_D3DVIEWPORT(const D3DVIEWPORT *lpvp)
{
TRACE(" - dwSize = %d dwX = %d dwY = %d\n",
lpvp->dwSize, lpvp->dwX, lpvp->dwY);
TRACE(" - dwWidth = %d dwHeight = %d\n",
lpvp->dwWidth, lpvp->dwHeight);
TRACE(" - dvScaleX = %f dvScaleY = %f\n",
lpvp->dvScaleX, lpvp->dvScaleY);
TRACE(" - dvMaxX = %f dvMaxY = %f\n",
lpvp->dvMaxX, lpvp->dvMaxY);
TRACE(" - dvMinZ = %f dvMaxZ = %f\n",
lpvp->dvMinZ, lpvp->dvMaxZ);
}
static void _dump_D3DVIEWPORT2(const D3DVIEWPORT2 *lpvp)
{
TRACE(" - dwSize = %d dwX = %d dwY = %d\n",
lpvp->dwSize, lpvp->dwX, lpvp->dwY);
TRACE(" - dwWidth = %d dwHeight = %d\n",
lpvp->dwWidth, lpvp->dwHeight);
TRACE(" - dvClipX = %f dvClipY = %f\n",
lpvp->dvClipX, lpvp->dvClipY);
TRACE(" - dvClipWidth = %f dvClipHeight = %f\n",
lpvp->dvClipWidth, lpvp->dvClipHeight);
TRACE(" - dvMinZ = %f dvMaxZ = %f\n",
lpvp->dvMinZ, lpvp->dvMaxZ);
}
static inline struct d3d_viewport *impl_from_IDirect3DViewport3(IDirect3DViewport3 *iface)
{
return CONTAINING_RECORD(iface, struct d3d_viewport, IDirect3DViewport3_iface);
}
/*****************************************************************************
* IUnknown Methods.
*****************************************************************************/
/*****************************************************************************
* IDirect3DViewport3::QueryInterface
*
* A normal QueryInterface. Can query all interface versions and the
* IUnknown interface. The VTables of the different versions
* are equal
*
* Params:
* refiid: Interface id queried for
* obj: Address to write the interface pointer to
*
* Returns:
* S_OK on success.
* E_NOINTERFACE if the requested interface wasn't found
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_QueryInterface(IDirect3DViewport3 *iface, REFIID riid, void **object)
{
TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), object);
if (IsEqualGUID(&IID_IDirect3DViewport3, riid)
|| IsEqualGUID(&IID_IDirect3DViewport2, riid)
|| IsEqualGUID(&IID_IDirect3DViewport, riid)
|| IsEqualGUID(&IID_IUnknown, riid))
{
IDirect3DViewport3_AddRef(iface);
*object = iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
*object = NULL;
return E_NOINTERFACE;
}
/*****************************************************************************
* IDirect3DViewport3::AddRef
*
* Increases the refcount.
*
* Returns:
* The new refcount
*
*****************************************************************************/
static ULONG WINAPI d3d_viewport_AddRef(IDirect3DViewport3 *iface)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
ULONG ref = InterlockedIncrement(&viewport->ref);
TRACE("%p increasing refcount to %u.\n", viewport, ref);
return ref;
}
/*****************************************************************************
* IDirect3DViewport3::Release
*
* Reduces the refcount. If it falls to 0, the interface is released
*
* Returns:
* The new refcount
*
*****************************************************************************/
static ULONG WINAPI d3d_viewport_Release(IDirect3DViewport3 *iface)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
ULONG ref = InterlockedDecrement(&viewport->ref);
TRACE("%p decreasing refcount to %u.\n", viewport, ref);
if (!ref)
heap_free(viewport);
return ref;
}
/*****************************************************************************
* IDirect3DViewport Methods.
*****************************************************************************/
/*****************************************************************************
* IDirect3DViewport3::Initialize
*
* No-op initialization.
*
* Params:
* Direct3D: The direct3D device this viewport is assigned to
*
* Returns:
* DDERR_ALREADYINITIALIZED
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_Initialize(IDirect3DViewport3 *iface, IDirect3D *d3d)
{
TRACE("iface %p, d3d %p.\n", iface, d3d);
return DDERR_ALREADYINITIALIZED;
}
static HRESULT WINAPI d3d_viewport_GetViewport(IDirect3DViewport3 *iface, D3DVIEWPORT *vp)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
DWORD size;
TRACE("iface %p, vp %p.\n", iface, vp);
if (!vp)
return DDERR_INVALIDPARAMS;
if (viewport->version == DDRAW_VIEWPORT_VERSION_NONE)
{
WARN("Viewport data was not set.\n");
return D3DERR_VIEWPORTDATANOTSET;
}
wined3d_mutex_lock();
size = vp->dwSize;
if (viewport->version == DDRAW_VIEWPORT_VERSION_1)
{
memcpy(vp, &viewport->viewports.vp1, size);
}
else
{
D3DVIEWPORT vp1;
vp1.dwSize = sizeof(vp1);
vp1.dwX = viewport->viewports.vp2.dwX;
vp1.dwY = viewport->viewports.vp2.dwY;
vp1.dwWidth = viewport->viewports.vp2.dwWidth;
vp1.dwHeight = viewport->viewports.vp2.dwHeight;
vp1.dvScaleX = vp1.dwWidth / viewport->viewports.vp2.dvClipWidth;
vp1.dvScaleY = vp1.dwHeight / viewport->viewports.vp2.dvClipHeight;
vp1.dvMaxX = viewport->viewports.vp2.dvClipWidth + viewport->viewports.vp2.dvClipX;
vp1.dvMaxY = viewport->viewports.vp2.dvClipY;
vp1.dvMinZ = 0.0f;
vp1.dvMaxZ = 1.0f;
memcpy(vp, &vp1, size);
}
if (TRACE_ON(ddraw))
{
TRACE(" returning D3DVIEWPORT :\n");
_dump_D3DVIEWPORT(vp);
}
wined3d_mutex_unlock();
return D3D_OK;
}
static HRESULT WINAPI d3d_viewport_SetViewport(IDirect3DViewport3 *iface, D3DVIEWPORT *vp)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
struct d3d_device *device = viewport->active_device;
struct wined3d_sub_resource_desc rt_desc;
struct wined3d_rendertarget_view *rtv;
IDirect3DViewport3 *current_viewport;
struct ddraw_surface *surface;
TRACE("iface %p, vp %p.\n", iface, vp);
if (!vp)
return DDERR_INVALIDPARAMS;
if (vp->dwSize != sizeof(*vp))
{
WARN("Invalid D3DVIEWPORT size %u.\n", vp->dwSize);
return DDERR_INVALIDPARAMS;
}
if (TRACE_ON(ddraw))
{
TRACE(" getting D3DVIEWPORT :\n");
_dump_D3DVIEWPORT(vp);
}
if (!device)
{
WARN("Viewport not bound to a device, returning D3DERR_VIEWPORTHASNODEVICE.\n");
return D3DERR_VIEWPORTHASNODEVICE;
}
wined3d_mutex_lock();
if (device->version > 1)
{
if (!(rtv = wined3d_device_context_get_rendertarget_view(device->immediate_context, 0)))
{
wined3d_mutex_unlock();
return DDERR_INVALIDCAPS;
}
surface = wined3d_rendertarget_view_get_sub_resource_parent(rtv);
wined3d_texture_get_sub_resource_desc(surface->wined3d_texture, surface->sub_resource_idx, &rt_desc);
if (!wined3d_bound_range(vp->dwX, vp->dwWidth, rt_desc.width)
|| !wined3d_bound_range(vp->dwY, vp->dwHeight, rt_desc.height))
{
WARN("Invalid viewport, returning DDERR_INVALIDPARAMS.\n");
wined3d_mutex_unlock();
return DDERR_INVALIDPARAMS;
}
}
viewport->version = DDRAW_VIEWPORT_VERSION_1;
viewport->viewports.vp1 = *vp;
/* Empirical testing on a couple of d3d1 games showed that these values
* should be ignored. */
viewport->viewports.vp1.dvMinZ = 0.0f;
viewport->viewports.vp1.dvMaxZ = 1.0f;
if (SUCCEEDED(IDirect3DDevice3_GetCurrentViewport(&device->IDirect3DDevice3_iface, &current_viewport)))
{
if (current_viewport == iface)
viewport_activate(viewport, FALSE);
IDirect3DViewport3_Release(current_viewport);
}
wined3d_mutex_unlock();
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::TransformVertices
*
* Transforms vertices by the transformation matrix.
*
* This function is pretty similar to IDirect3DVertexBuffer7::ProcessVertices,
* so it's tempting to forward it to there. However, there are some
* tiny differences. First, the lpOffscreen flag that is reported back,
* then there is the homogeneous vertex that is generated. Also there's a lack
* of FVFs, but still a custom stride. Last, the d3d1 - d3d3 viewport has some
* settings (scale) that d3d7 and wined3d do not have. All in all wrapping to
* ProcessVertices doesn't pay of in terms of wrapper code needed and code
* reused.
*
* Params:
* dwVertexCount: The number of vertices to be transformed
* data: Pointer to the vertex input / output data.
* dwFlags: D3DTRANSFORM_CLIPPED or D3DTRANSFORM_UNCLIPPED
* offscreen: Logical AND of the planes that clipped the vertices if clipping
* is on. 0 if clipping is off.
*
* Returns:
* D3D_OK on success
* D3DERR_VIEWPORTHASNODEVICE if the viewport is not assigned to a device
* DDERR_INVALIDPARAMS if no clipping flag is specified
*
*****************************************************************************/
struct transform_vertices_vertex
{
float x, y, z, w; /* w is unused in input data. */
struct
{
DWORD p[4];
} payload;
};
static HRESULT WINAPI d3d_viewport_TransformVertices(IDirect3DViewport3 *iface,
DWORD dwVertexCount, D3DTRANSFORMDATA *data, DWORD dwFlags, DWORD *offscreen)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
const struct wined3d_stateblock_state *state;
D3DVIEWPORT vp = viewport->viewports.vp1;
struct transform_vertices_vertex *in, *out;
struct wined3d_matrix mat;
float x, y, z, w;
unsigned int i;
D3DHVERTEX *outH;
struct d3d_device *device = viewport->active_device;
BOOL activate = device->current_viewport != viewport;
TRACE("iface %p, vertex_count %u, data %p, flags %#x, offscreen %p.\n",
iface, dwVertexCount, data, dwFlags, offscreen);
/* Tests on windows show that Windows crashes when this occurs,
* so don't return the (intuitive) return value
if (!device)
{
WARN("No device active, returning D3DERR_VIEWPORTHASNODEVICE\n");
return D3DERR_VIEWPORTHASNODEVICE;
}
*/
if (!data || data->dwSize != sizeof(*data))
{
WARN("Transform data is NULL or size is incorrect, returning DDERR_INVALIDPARAMS\n");
return DDERR_INVALIDPARAMS;
}
if (!(dwFlags & (D3DTRANSFORM_UNCLIPPED | D3DTRANSFORM_CLIPPED)))
{
WARN("No clipping flag passed, returning DDERR_INVALIDPARAMS\n");
return DDERR_INVALIDPARAMS;
}
wined3d_mutex_lock();
if (activate)
viewport_activate(viewport, TRUE);
state = device->stateblock_state;
multiply_matrix(&mat, &state->transforms[WINED3D_TS_VIEW], &state->transforms[WINED3D_TS_WORLD_MATRIX(0)]);
multiply_matrix(&mat, &state->transforms[WINED3D_TS_PROJECTION], &mat);
/* The pointer is not tested against NULL on Windows. */
if (dwFlags & D3DTRANSFORM_CLIPPED)
*offscreen = ~0U;
else
*offscreen = 0;
outH = data->lpHOut;
for(i = 0; i < dwVertexCount; i++)
{
in = (struct transform_vertices_vertex *)((char *)data->lpIn + data->dwInSize * i);
out = (struct transform_vertices_vertex *)((char *)data->lpOut + data->dwOutSize * i);
x = (in->x * mat._11) + (in->y * mat._21) + (in->z * mat._31) + mat._41;
y = (in->x * mat._12) + (in->y * mat._22) + (in->z * mat._32) + mat._42;
z = (in->x * mat._13) + (in->y * mat._23) + (in->z * mat._33) + mat._43;
w = (in->x * mat._14) + (in->y * mat._24) + (in->z * mat._34) + mat._44;
if(dwFlags & D3DTRANSFORM_CLIPPED)
{
/* If clipping is enabled, Windows assumes that outH is
* a valid pointer. */
outH[i].u1.hx = (x - device->legacy_clipspace._41 * w) / device->legacy_clipspace._11;
outH[i].u2.hy = (y - device->legacy_clipspace._42 * w) / device->legacy_clipspace._22;
outH[i].u3.hz = (z - device->legacy_clipspace._43 * w) / device->legacy_clipspace._33;
outH[i].dwFlags = 0;
if (x > w)
outH[i].dwFlags |= D3DCLIP_RIGHT;
if (x < -w)
outH[i].dwFlags |= D3DCLIP_LEFT;
if (y > w)
outH[i].dwFlags |= D3DCLIP_TOP;
if (y < -w)
outH[i].dwFlags |= D3DCLIP_BOTTOM;
if (z < 0.0f)
outH[i].dwFlags |= D3DCLIP_FRONT;
if (z > w)
outH[i].dwFlags |= D3DCLIP_BACK;
*offscreen &= outH[i].dwFlags;
if(outH[i].dwFlags)
{
/* Looks like native just drops the vertex, leaves whatever data
* it has in the output buffer and goes on with the next vertex.
* The exact scheme hasn't been figured out yet, but windows
* definitely writes something there.
*/
out->x = x;
out->y = y;
out->z = z;
out->w = w;
continue;
}
}
w = 1 / w;
x *= w; y *= w; z *= w;
out->x = (x + 1.0f) * vp.dwWidth * 0.5 + vp.dwX;
out->y = (-y + 1.0f) * vp.dwHeight * 0.5 + vp.dwY;
out->z = z;
out->w = w;
out->payload = in->payload;
}
if (activate && device->current_viewport)
viewport_activate(device->current_viewport, TRUE);
wined3d_mutex_unlock();
TRACE("All done\n");
return DD_OK;
}
/*****************************************************************************
* IDirect3DViewport3::LightElements
*
* The DirectX 5.0 sdk says that it's not implemented
*
* Params:
* ?
*
* Returns:
* DDERR_UNSUPPORTED
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_LightElements(IDirect3DViewport3 *iface,
DWORD element_count, D3DLIGHTDATA *data)
{
TRACE("iface %p, element_count %u, data %p.\n", iface, element_count, data);
return DDERR_UNSUPPORTED;
}
static HRESULT WINAPI d3d_viewport_SetBackground(IDirect3DViewport3 *iface, D3DMATERIALHANDLE material)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
struct d3d_material *m;
TRACE("iface %p, material %#x.\n", iface, material);
wined3d_mutex_lock();
if (!(m = ddraw_get_object(&viewport->ddraw->d3ddevice->handle_table, material - 1, DDRAW_HANDLE_MATERIAL)))
{
WARN("Invalid material handle %#x.\n", material);
wined3d_mutex_unlock();
return DDERR_INVALIDPARAMS;
}
TRACE("Setting background color : %.8e %.8e %.8e %.8e.\n",
m->mat.u.diffuse.u1.r, m->mat.u.diffuse.u2.g,
m->mat.u.diffuse.u3.b, m->mat.u.diffuse.u4.a);
viewport->background = m;
wined3d_mutex_unlock();
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::GetBackground
*
* Returns the material handle assigned to the background of the viewport
*
* Params:
* lphMat: Address to store the handle
* lpValid: is set to FALSE if no background is set, TRUE if one is set
*
* Returns:
* D3D_OK
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_GetBackground(IDirect3DViewport3 *iface,
D3DMATERIALHANDLE *material, BOOL *valid)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
TRACE("iface %p, material %p, valid %p.\n", iface, material, valid);
wined3d_mutex_lock();
if (valid)
*valid = !!viewport->background;
if (material)
*material = viewport->background ? viewport->background->Handle : 0;
wined3d_mutex_unlock();
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::SetBackgroundDepth
*
* Sets a surface that represents the background depth. Its contents are
* used to set the depth buffer in IDirect3DViewport3::Clear
*
* Params:
* lpDDSurface: Surface to set
*
* Returns: D3D_OK, because it's a stub
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_SetBackgroundDepth(IDirect3DViewport3 *iface, IDirectDrawSurface *surface)
{
FIXME("iface %p, surface %p stub!\n", iface, surface);
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::GetBackgroundDepth
*
* Returns the surface that represents the depth field
*
* Params:
* lplpDDSurface: Address to store the interface pointer
* lpValid: Set to TRUE if a depth is assigned, FALSE otherwise
*
* Returns:
* D3D_OK, because it's a stub
* (DDERR_INVALIDPARAMS if DDSurface of Valid is NULL)
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_GetBackgroundDepth(IDirect3DViewport3 *iface,
IDirectDrawSurface **surface, BOOL *valid)
{
FIXME("iface %p, surface %p, valid %p stub!\n", iface, surface, valid);
return DD_OK;
}
/*****************************************************************************
* IDirect3DViewport3::Clear
*
* Clears the render target and / or the z buffer
*
* Params:
* dwCount: The amount of rectangles to clear. If 0, the whole buffer is
* cleared
* lpRects: Pointer to the array of rectangles. If NULL, Count must be 0
* dwFlags: D3DCLEAR_ZBUFFER and / or D3DCLEAR_TARGET
*
* Returns:
* D3D_OK on success
* D3DERR_VIEWPORTHASNODEVICE if there's no active device
* The return value of IDirect3DDevice7::Clear
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_Clear(IDirect3DViewport3 *iface,
DWORD rect_count, D3DRECT *rects, DWORD flags)
{
struct d3d_viewport *This = impl_from_IDirect3DViewport3(iface);
DWORD color = 0x00000000;
HRESULT hr;
IDirect3DViewport3 *current_viewport;
IDirect3DDevice3 *d3d_device3;
TRACE("iface %p, rect_count %u, rects %p, flags %#x.\n", iface, rect_count, rects, flags);
if (!rects || !rect_count)
{
WARN("rect_count = %u, rects = %p, ignoring clear\n", rect_count, rects);
return D3D_OK;
}
if (This->active_device == NULL) {
ERR(" Trying to clear a viewport not attached to a device!\n");
return D3DERR_VIEWPORTHASNODEVICE;
}
d3d_device3 = &This->active_device->IDirect3DDevice3_iface;
wined3d_mutex_lock();
if (flags & D3DCLEAR_TARGET)
{
if (!This->background)
WARN("No background material set.\n");
else
color = D3DRGBA(This->background->mat.u.diffuse.u1.r,
This->background->mat.u.diffuse.u2.g,
This->background->mat.u.diffuse.u3.b,
This->background->mat.u.diffuse.u4.a);
}
/* Need to temporarily activate the viewport to clear it. The previously
* active one will be restored afterwards. */
viewport_activate(This, TRUE);
hr = IDirect3DDevice7_Clear(&This->active_device->IDirect3DDevice7_iface, rect_count, rects,
flags & (D3DCLEAR_ZBUFFER | D3DCLEAR_TARGET), color, 1.0, 0x00000000);
if (SUCCEEDED(IDirect3DDevice3_GetCurrentViewport(d3d_device3, &current_viewport)))
{
struct d3d_viewport *vp = impl_from_IDirect3DViewport3(current_viewport);
viewport_activate(vp, TRUE);
IDirect3DViewport3_Release(current_viewport);
}
wined3d_mutex_unlock();
return hr;
}
/*****************************************************************************
* IDirect3DViewport3::AddLight
*
* Adds an light to the viewport
*
* Params:
* lpDirect3DLight: Interface of the light to add
*
* Returns:
* D3D_OK on success
* DDERR_INVALIDPARAMS if Direct3DLight is NULL
* DDERR_INVALIDPARAMS if there are 8 lights or more
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_AddLight(IDirect3DViewport3 *viewport, IDirect3DLight *light)
{
struct d3d_light *light_impl = unsafe_impl_from_IDirect3DLight(light);
struct d3d_viewport *vp = impl_from_IDirect3DViewport3(viewport);
TRACE("viewport %p, light %p.\n", viewport, light);
wined3d_mutex_lock();
if (light_impl->active_viewport)
{
wined3d_mutex_unlock();
WARN("Light %p is active in viewport %p.\n", light_impl, light_impl->active_viewport);
return D3DERR_LIGHTHASVIEWPORT;
}
light_impl->active_viewport = vp;
/* Add the light in the 'linked' chain */
list_add_tail(&vp->light_list, &light_impl->entry);
IDirect3DLight_AddRef(light);
light_activate(light_impl);
wined3d_mutex_unlock();
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::DeleteLight
*
* Deletes a light from the viewports' light list
*
* Params:
* lpDirect3DLight: Light to delete
*
* Returns:
* D3D_OK on success
* DDERR_INVALIDPARAMS if the light wasn't found
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_DeleteLight(IDirect3DViewport3 *iface, IDirect3DLight *lpDirect3DLight)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
struct d3d_light *l = unsafe_impl_from_IDirect3DLight(lpDirect3DLight);
TRACE("iface %p, light %p.\n", iface, lpDirect3DLight);
wined3d_mutex_lock();
if (l->active_viewport != viewport)
{
WARN("Light %p active viewport is %p.\n", l, l->active_viewport);
wined3d_mutex_unlock();
return DDERR_INVALIDPARAMS;
}
light_deactivate(l);
list_remove(&l->entry);
l->active_viewport = NULL;
IDirect3DLight_Release(lpDirect3DLight);
wined3d_mutex_unlock();
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport::NextLight
*
* Enumerates the lights associated with the viewport
*
* Params:
* lpDirect3DLight: Light to start with
* lplpDirect3DLight: Address to store the successor to
*
* Returns:
* D3D_OK, because it's a stub
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_NextLight(IDirect3DViewport3 *iface,
IDirect3DLight *lpDirect3DLight, IDirect3DLight **lplpDirect3DLight, DWORD flags)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
struct d3d_light *l = unsafe_impl_from_IDirect3DLight(lpDirect3DLight);
struct list *entry;
HRESULT hr;
TRACE("iface %p, light %p, next_light %p, flags %#x.\n",
iface, lpDirect3DLight, lplpDirect3DLight, flags);
if (!lplpDirect3DLight)
return DDERR_INVALIDPARAMS;
wined3d_mutex_lock();
switch (flags)
{
case D3DNEXT_NEXT:
if (!l || l->active_viewport != viewport)
{
if (l)
WARN("Light %p active viewport is %p.\n", l, l->active_viewport);
entry = NULL;
}
else
entry = list_next(&viewport->light_list, &l->entry);
break;
case D3DNEXT_HEAD:
entry = list_head(&viewport->light_list);
break;
case D3DNEXT_TAIL:
entry = list_tail(&viewport->light_list);
break;
default:
entry = NULL;
WARN("Invalid flags %#x.\n", flags);
break;
}
if (entry)
{
*lplpDirect3DLight = (IDirect3DLight *)LIST_ENTRY(entry, struct d3d_light, entry);
IDirect3DLight_AddRef(*lplpDirect3DLight);
hr = D3D_OK;
}
else
{
*lplpDirect3DLight = NULL;
hr = DDERR_INVALIDPARAMS;
}
wined3d_mutex_unlock();
return hr;
}
/*****************************************************************************
* IDirect3DViewport2 Methods.
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_GetViewport2(IDirect3DViewport3 *iface, D3DVIEWPORT2 *vp)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
DWORD size;
TRACE("iface %p, vp %p.\n", iface, vp);
if (!vp)
return DDERR_INVALIDPARAMS;
if (viewport->version == DDRAW_VIEWPORT_VERSION_NONE)
{
WARN("Viewport data was not set.\n");
return D3DERR_VIEWPORTDATANOTSET;
}
wined3d_mutex_lock();
size = vp->dwSize;
if (viewport->version == DDRAW_VIEWPORT_VERSION_2)
{
memcpy(vp, &viewport->viewports.vp2, size);
}
else
{
D3DVIEWPORT2 vp2;
vp2.dwSize = sizeof(vp2);
vp2.dwX = viewport->viewports.vp1.dwX;
vp2.dwY = viewport->viewports.vp1.dwY;
vp2.dwWidth = viewport->viewports.vp1.dwWidth;
vp2.dwHeight = viewport->viewports.vp1.dwHeight;
vp2.dvClipWidth = viewport->viewports.vp1.dwWidth / viewport->viewports.vp1.dvScaleX;
vp2.dvClipHeight = viewport->viewports.vp1.dwHeight / viewport->viewports.vp1.dvScaleY;
vp2.dvClipX = -vp2.dvClipWidth / 2.0f;
vp2.dvClipY = vp2.dvClipHeight / 2.0f;
vp2.dvMinZ = 0.0f;
vp2.dvMaxZ = 1.0f;
memcpy(vp, &vp2, size);
}
if (TRACE_ON(ddraw))
{
TRACE(" returning D3DVIEWPORT2 :\n");
_dump_D3DVIEWPORT2(vp);
}
wined3d_mutex_unlock();
return D3D_OK;
}
static HRESULT WINAPI d3d_viewport_SetViewport2(IDirect3DViewport3 *iface, D3DVIEWPORT2 *vp)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
struct d3d_device *device = viewport->active_device;
struct wined3d_sub_resource_desc rt_desc;
struct wined3d_rendertarget_view *rtv;
IDirect3DViewport3 *current_viewport;
struct ddraw_surface *surface;
TRACE("iface %p, vp %p.\n", iface, vp);
if (!vp)
return DDERR_INVALIDPARAMS;
if (vp->dwSize != sizeof(*vp))
{
WARN("Invalid D3DVIEWPORT2 size %u.\n", vp->dwSize);
return DDERR_INVALIDPARAMS;
}
if (TRACE_ON(ddraw))
{
TRACE(" getting D3DVIEWPORT2 :\n");
_dump_D3DVIEWPORT2(vp);
}
if (!device)
{
WARN("Viewport not bound to a device, returning D3DERR_VIEWPORTHASNODEVICE.\n");
return D3DERR_VIEWPORTHASNODEVICE;
}
wined3d_mutex_lock();
if (device->version > 1)
{
if (!(rtv = wined3d_device_context_get_rendertarget_view(device->immediate_context, 0)))
{
wined3d_mutex_unlock();
return DDERR_INVALIDCAPS;
}
surface = wined3d_rendertarget_view_get_sub_resource_parent(rtv);
wined3d_texture_get_sub_resource_desc(surface->wined3d_texture, surface->sub_resource_idx, &rt_desc);
if (!wined3d_bound_range(vp->dwX, vp->dwWidth, rt_desc.width)
|| !wined3d_bound_range(vp->dwY, vp->dwHeight, rt_desc.height))
{
WARN("Invalid viewport, returning DDERR_INVALIDPARAMS.\n");
wined3d_mutex_unlock();
return DDERR_INVALIDPARAMS;
}
}
viewport->version = DDRAW_VIEWPORT_VERSION_2;
viewport->viewports.vp2 = *vp;
if (SUCCEEDED(IDirect3DDevice3_GetCurrentViewport(&device->IDirect3DDevice3_iface, &current_viewport)))
{
if (current_viewport == iface)
viewport_activate(viewport, FALSE);
IDirect3DViewport3_Release(current_viewport);
}
wined3d_mutex_unlock();
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3 Methods.
*****************************************************************************/
/*****************************************************************************
* IDirect3DViewport3::SetBackgroundDepth2
*
* Sets a IDirectDrawSurface4 surface as the background depth surface
*
* Params:
* lpDDS: Surface to set
*
* Returns:
* D3D_OK, because it's stub
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_SetBackgroundDepth2(IDirect3DViewport3 *iface,
IDirectDrawSurface4 *surface)
{
FIXME("iface %p, surface %p stub!\n", iface, surface);
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::GetBackgroundDepth2
*
* Returns the IDirect3DSurface4 interface to the background depth surface
*
* Params:
* lplpDDS: Address to store the interface pointer at
* lpValid: Set to true if a surface is assigned
*
* Returns:
* D3D_OK because it's a stub
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_GetBackgroundDepth2(IDirect3DViewport3 *iface,
IDirectDrawSurface4 **surface, BOOL *valid)
{
FIXME("iface %p, surface %p, valid %p stub!\n", iface, surface, valid);
return D3D_OK;
}
/*****************************************************************************
* IDirect3DViewport3::Clear2
*
* Another clearing method
*
* Params:
* Count: Number of rectangles to clear
* Rects: Rectangle array to clear
* Flags: Some flags :)
* Color: Color to fill the render target with
* Z: Value to fill the depth buffer with
* Stencil: Value to fill the stencil bits with
*
* Returns:
*
*****************************************************************************/
static HRESULT WINAPI d3d_viewport_Clear2(IDirect3DViewport3 *iface, DWORD rect_count,
D3DRECT *rects, DWORD flags, DWORD color, D3DVALUE depth, DWORD stencil)
{
struct d3d_viewport *viewport = impl_from_IDirect3DViewport3(iface);
HRESULT hr;
IDirect3DViewport3 *current_viewport;
IDirect3DDevice3 *d3d_device3;
TRACE("iface %p, rect_count %u, rects %p, flags %#x, color 0x%08x, depth %.8e, stencil %u.\n",
iface, rect_count, rects, flags, color, depth, stencil);
if (!rects || !rect_count)
{
WARN("rect_count = %u, rects = %p, ignoring clear\n", rect_count, rects);
return D3D_OK;
}
wined3d_mutex_lock();
if (!viewport->active_device)
{
WARN("Trying to clear a viewport not attached to a device.\n");
wined3d_mutex_unlock();
return D3DERR_VIEWPORTHASNODEVICE;
}
d3d_device3 = &viewport->active_device->IDirect3DDevice3_iface;
/* Need to temporarily activate viewport to clear it. Previously active
* one will be restored afterwards. */
viewport_activate(viewport, TRUE);
hr = IDirect3DDevice7_Clear(&viewport->active_device->IDirect3DDevice7_iface,
rect_count, rects, flags, color, depth, stencil);
if (SUCCEEDED(IDirect3DDevice3_GetCurrentViewport(d3d_device3, &current_viewport)))
{
struct d3d_viewport *vp = impl_from_IDirect3DViewport3(current_viewport);
viewport_activate(vp, TRUE);
IDirect3DViewport3_Release(current_viewport);
}
wined3d_mutex_unlock();
return hr;
}
/*****************************************************************************
* The VTable
*****************************************************************************/
static const struct IDirect3DViewport3Vtbl d3d_viewport_vtbl =
{
/*** IUnknown Methods ***/
d3d_viewport_QueryInterface,
d3d_viewport_AddRef,
d3d_viewport_Release,
/*** IDirect3DViewport Methods */
d3d_viewport_Initialize,
d3d_viewport_GetViewport,
d3d_viewport_SetViewport,
d3d_viewport_TransformVertices,
d3d_viewport_LightElements,
d3d_viewport_SetBackground,
d3d_viewport_GetBackground,
d3d_viewport_SetBackgroundDepth,
d3d_viewport_GetBackgroundDepth,
d3d_viewport_Clear,
d3d_viewport_AddLight,
d3d_viewport_DeleteLight,
d3d_viewport_NextLight,
/*** IDirect3DViewport2 Methods ***/
d3d_viewport_GetViewport2,
d3d_viewport_SetViewport2,
/*** IDirect3DViewport3 Methods ***/
d3d_viewport_SetBackgroundDepth2,
d3d_viewport_GetBackgroundDepth2,
d3d_viewport_Clear2,
};
struct d3d_viewport *unsafe_impl_from_IDirect3DViewport3(IDirect3DViewport3 *iface)
{
if (!iface) return NULL;
assert(iface->lpVtbl == &d3d_viewport_vtbl);
return CONTAINING_RECORD(iface, struct d3d_viewport, IDirect3DViewport3_iface);
}
struct d3d_viewport *unsafe_impl_from_IDirect3DViewport2(IDirect3DViewport2 *iface)
{
/* IDirect3DViewport and IDirect3DViewport3 use the same iface. */
if (!iface) return NULL;
assert(iface->lpVtbl == (IDirect3DViewport2Vtbl *)&d3d_viewport_vtbl);
return CONTAINING_RECORD(iface, struct d3d_viewport, IDirect3DViewport3_iface);
}
struct d3d_viewport *unsafe_impl_from_IDirect3DViewport(IDirect3DViewport *iface)
{
/* IDirect3DViewport and IDirect3DViewport3 use the same iface. */
if (!iface) return NULL;
assert(iface->lpVtbl == (IDirect3DViewportVtbl *)&d3d_viewport_vtbl);
return CONTAINING_RECORD(iface, struct d3d_viewport, IDirect3DViewport3_iface);
}
void d3d_viewport_init(struct d3d_viewport *viewport, struct ddraw *ddraw)
{
viewport->IDirect3DViewport3_iface.lpVtbl = &d3d_viewport_vtbl;
viewport->ref = 1;
viewport->ddraw = ddraw;
viewport->version = DDRAW_VIEWPORT_VERSION_NONE;
list_init(&viewport->light_list);
}
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