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264 lines
8.1 KiB
C
264 lines
8.1 KiB
C
/* Direct3D Light
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* Copyright (c) 1998 / 2002 Lionel ULMER
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* Copyright (c) 2006 Stefan DÖSINGER
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "ddraw_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
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/*****************************************************************************
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* light_update
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*
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* Updates the Direct3DDevice7 lighting parameters
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*
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*****************************************************************************/
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static void light_update(struct d3d_light *light)
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{
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struct d3d_device *device;
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TRACE("light %p.\n", light);
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if (!light->active_viewport || !light->active_viewport->active_device) return;
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device = light->active_viewport->active_device;
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IDirect3DDevice7_SetLight(&device->IDirect3DDevice7_iface, light->active_light_index, &light->light7);
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}
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/*****************************************************************************
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* light_activate
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*
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* Uses the Direct3DDevice7::LightEnable method to active the light
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*
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*****************************************************************************/
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void light_activate(struct d3d_light *light)
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{
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struct d3d_device *device;
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TRACE("light %p.\n", light);
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if (!light->active_viewport || !light->active_viewport->active_device
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|| light->active_viewport->active_device->current_viewport != light->active_viewport)
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return;
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device = light->active_viewport->active_device;
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if (light->light.dwFlags & D3DLIGHT_ACTIVE)
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{
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viewport_alloc_active_light_index(light);
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light_update(light);
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IDirect3DDevice7_LightEnable(&device->IDirect3DDevice7_iface, light->active_light_index, TRUE);
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}
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}
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/*****************************************************************************
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*
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* light_deactivate
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*
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* Uses the Direct3DDevice7::LightEnable method to deactivate the light
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*
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*****************************************************************************/
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void light_deactivate(struct d3d_light *light)
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{
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struct d3d_device *device;
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TRACE("light %p.\n", light);
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if (!light->active_viewport || !light->active_viewport->active_device
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|| light->active_viewport->active_device->current_viewport != light->active_viewport)
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{
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assert(!light->active_light_index);
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return;
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}
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device = light->active_viewport->active_device;
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if (light->active_light_index)
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{
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IDirect3DDevice7_LightEnable(&device->IDirect3DDevice7_iface, light->active_light_index, FALSE);
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viewport_free_active_light_index(light);
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}
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}
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static inline struct d3d_light *impl_from_IDirect3DLight(IDirect3DLight *iface)
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{
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return CONTAINING_RECORD(iface, struct d3d_light, IDirect3DLight_iface);
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}
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/*****************************************************************************
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* IDirect3DLight::QueryInterface
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*
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* Queries the object for different interfaces. Unimplemented for this
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* object at the moment
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*
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* Params:
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* riid: Interface id asked for
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* obj: Address to return the resulting pointer at.
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*
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* Returns:
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* E_NOINTERFACE, because it's a stub
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*****************************************************************************/
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static HRESULT WINAPI d3d_light_QueryInterface(IDirect3DLight *iface, REFIID riid, void **object)
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{
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FIXME("iface %p, riid %s, object %p stub!\n", iface, debugstr_guid(riid), object);
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*object = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI d3d_light_AddRef(IDirect3DLight *iface)
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{
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struct d3d_light *light = impl_from_IDirect3DLight(iface);
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ULONG ref = InterlockedIncrement(&light->ref);
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TRACE("%p increasing refcount to %u.\n", light, ref);
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return ref;
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}
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static ULONG WINAPI d3d_light_Release(IDirect3DLight *iface)
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{
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struct d3d_light *light = impl_from_IDirect3DLight(iface);
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ULONG ref = InterlockedDecrement(&light->ref);
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TRACE("%p decreasing refcount to %u.\n", light, ref);
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if (!ref)
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{
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heap_free(light);
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return 0;
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}
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return ref;
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}
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/*****************************************************************************
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* IDirect3DLight Methods.
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*****************************************************************************/
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/*****************************************************************************
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* IDirect3DLight::Initialize
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*
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* Initializes the interface. This implementation is a no-op, because
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* initialization takes place at creation time
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*
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* Params:
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* Direct3D: Pointer to an IDirect3D interface.
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*
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* Returns:
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* D3D_OK
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*
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*****************************************************************************/
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static HRESULT WINAPI d3d_light_Initialize(IDirect3DLight *iface, IDirect3D *d3d)
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{
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TRACE("iface %p, d3d %p.\n", iface, d3d);
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return D3D_OK;
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}
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static HRESULT WINAPI d3d_light_SetLight(IDirect3DLight *iface, D3DLIGHT *data)
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{
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static const D3DCOLORVALUE zero_value = {{0.0f}, {0.0f}, {0.0f}, {0.0f}};
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struct d3d_light *light = impl_from_IDirect3DLight(iface);
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DWORD flags = data->dwSize >= sizeof(D3DLIGHT2) ? ((D3DLIGHT2 *)data)->dwFlags : D3DLIGHT_ACTIVE;
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D3DLIGHT7 *light7 = &light->light7;
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TRACE("iface %p, data %p.\n", iface, data);
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if ((!data->dltType) || (data->dltType > D3DLIGHT_PARALLELPOINT))
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return DDERR_INVALIDPARAMS;
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/* Translate D3DLIGHT2 structure to D3DLIGHT7. */
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light7->dltType = data->dltType;
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light7->dcvDiffuse = data->dcvColor;
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if (flags & D3DLIGHT_NO_SPECULAR)
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light7->dcvSpecular = zero_value;
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else
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light7->dcvSpecular = data->dcvColor;
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light7->dcvAmbient = zero_value;
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light7->dvPosition = data->dvPosition;
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light7->dvDirection = data->dvDirection;
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light7->dvRange = data->dvRange;
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light7->dvFalloff = data->dvFalloff;
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light7->dvAttenuation0 = data->dvAttenuation0;
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light7->dvAttenuation1 = data->dvAttenuation1;
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light7->dvAttenuation2 = data->dvAttenuation2;
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light7->dvTheta = data->dvTheta;
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light7->dvPhi = data->dvPhi;
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wined3d_mutex_lock();
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memcpy(&light->light, data, sizeof(*data));
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if (!(flags & D3DLIGHT_ACTIVE))
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light_deactivate(light);
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light->light.dwFlags = flags;
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light_activate(light);
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wined3d_mutex_unlock();
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return D3D_OK;
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}
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/*****************************************************************************
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* IDirect3DLight::GetLight
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*
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* Returns the parameters currently assigned to the IDirect3DLight object
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*
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* Params:
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* Light: Pointer to an D3DLIGHT structure to store the parameters
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if Light is NULL
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*****************************************************************************/
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static HRESULT WINAPI d3d_light_GetLight(IDirect3DLight *iface, D3DLIGHT *lpLight)
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{
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struct d3d_light *light = impl_from_IDirect3DLight(iface);
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TRACE("iface %p, light %p.\n", iface, lpLight);
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wined3d_mutex_lock();
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memcpy(lpLight, &light->light, lpLight->dwSize);
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wined3d_mutex_unlock();
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return DD_OK;
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}
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static const struct IDirect3DLightVtbl d3d_light_vtbl =
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{
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/*** IUnknown Methods ***/
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d3d_light_QueryInterface,
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d3d_light_AddRef,
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d3d_light_Release,
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/*** IDirect3DLight Methods ***/
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d3d_light_Initialize,
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d3d_light_SetLight,
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d3d_light_GetLight
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};
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void d3d_light_init(struct d3d_light *light, struct ddraw *ddraw)
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{
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light->IDirect3DLight_iface.lpVtbl = &d3d_light_vtbl;
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light->ref = 1;
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light->ddraw = ddraw;
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}
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struct d3d_light *unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface)
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{
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if (!iface)
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return NULL;
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assert(iface->lpVtbl == &d3d_light_vtbl);
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return impl_from_IDirect3DLight(iface);
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}
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