ReactOS 0.4.15-dev-5664-g3bf4ef6
light.c
Go to the documentation of this file.
1/* Direct3D Light
2 * Copyright (c) 1998 / 2002 Lionel ULMER
3 * Copyright (c) 2006 Stefan DÖSINGER
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18 */
19
20#include "config.h"
21#include "wine/port.h"
22
23#include "ddraw_private.h"
24
26
27/*****************************************************************************
28 * light_update
29 *
30 * Updates the Direct3DDevice7 lighting parameters
31 *
32 *****************************************************************************/
33static void light_update(struct d3d_light *light)
34{
35 struct d3d_device *device;
36
37 TRACE("light %p.\n", light);
38
39 if (!light->active_viewport || !light->active_viewport->active_device) return;
40 device = light->active_viewport->active_device;
41
42 IDirect3DDevice7_SetLight(&device->IDirect3DDevice7_iface, light->dwLightIndex, &light->light7);
43}
44
45/*****************************************************************************
46 * light_activate
47 *
48 * Uses the Direct3DDevice7::LightEnable method to active the light
49 *
50 *****************************************************************************/
52{
53 struct d3d_device *device;
54
55 TRACE("light %p.\n", light);
56
57 if (!light->active_viewport || !light->active_viewport->active_device) return;
58 device = light->active_viewport->active_device;
59
61 if (!(light->light.dwFlags & D3DLIGHT_ACTIVE))
62 {
63 IDirect3DDevice7_LightEnable(&device->IDirect3DDevice7_iface, light->dwLightIndex, TRUE);
64 light->light.dwFlags |= D3DLIGHT_ACTIVE;
65 }
66}
67
68/*****************************************************************************
69 *
70 * light_deactivate
71 *
72 * Uses the Direct3DDevice7::LightEnable method to deactivate the light
73 *
74 *****************************************************************************/
76{
77 struct d3d_device *device;
78
79 TRACE("light %p.\n", light);
80
81 if (!light->active_viewport || !light->active_viewport->active_device) return;
82 device = light->active_viewport->active_device;
83
84 if (light->light.dwFlags & D3DLIGHT_ACTIVE)
85 {
86 IDirect3DDevice7_LightEnable(&device->IDirect3DDevice7_iface, light->dwLightIndex, FALSE);
87 light->light.dwFlags &= ~D3DLIGHT_ACTIVE;
88 }
89}
90
91static inline struct d3d_light *impl_from_IDirect3DLight(IDirect3DLight *iface)
92{
94}
95
96/*****************************************************************************
97 * IDirect3DLight::QueryInterface
98 *
99 * Queries the object for different interfaces. Unimplemented for this
100 * object at the moment
101 *
102 * Params:
103 * riid: Interface id asked for
104 * obj: Address to return the resulting pointer at.
105 *
106 * Returns:
107 * E_NOINTERFACE, because it's a stub
108 *****************************************************************************/
109static HRESULT WINAPI d3d_light_QueryInterface(IDirect3DLight *iface, REFIID riid, void **object)
110{
111 FIXME("iface %p, riid %s, object %p stub!\n", iface, debugstr_guid(riid), object);
112
113 *object = NULL;
114 return E_NOINTERFACE;
115}
116
117static ULONG WINAPI d3d_light_AddRef(IDirect3DLight *iface)
118{
121
122 TRACE("%p increasing refcount to %u.\n", light, ref);
123
124 return ref;
125}
126
127static ULONG WINAPI d3d_light_Release(IDirect3DLight *iface)
128{
131
132 TRACE("%p decreasing refcount to %u.\n", light, ref);
133
134 if (!ref)
135 {
137 return 0;
138 }
139 return ref;
140}
141
142/*****************************************************************************
143 * IDirect3DLight Methods.
144 *****************************************************************************/
145
146/*****************************************************************************
147 * IDirect3DLight::Initialize
148 *
149 * Initializes the interface. This implementation is a no-op, because
150 * initialization takes place at creation time
151 *
152 * Params:
153 * Direct3D: Pointer to an IDirect3D interface.
154 *
155 * Returns:
156 * D3D_OK
157 *
158 *****************************************************************************/
159static HRESULT WINAPI d3d_light_Initialize(IDirect3DLight *iface, IDirect3D *d3d)
160{
161 TRACE("iface %p, d3d %p.\n", iface, d3d);
162
163 return D3D_OK;
164}
165
166static HRESULT WINAPI d3d_light_SetLight(IDirect3DLight *iface, D3DLIGHT *data)
167{
168 static const D3DCOLORVALUE zero_value = {{0.0f}, {0.0f}, {0.0f}, {0.0f}};
170 DWORD flags = data->dwSize >= sizeof(D3DLIGHT2) ? ((D3DLIGHT2 *)data)->dwFlags : D3DLIGHT_ACTIVE;
171 D3DLIGHT7 *light7 = &light->light7;
172
173 TRACE("iface %p, data %p.\n", iface, data);
174
175 if ((!data->dltType) || (data->dltType > D3DLIGHT_PARALLELPOINT))
176 return DDERR_INVALIDPARAMS;
177
178 /* Translate D3DLIGHT2 structure to D3DLIGHT7. */
179 light7->dltType = data->dltType;
180 light7->dcvDiffuse = data->dcvColor;
182 light7->dcvSpecular = zero_value;
183 else
184 light7->dcvSpecular = data->dcvColor;
185 light7->dcvAmbient = data->dcvColor;
186 light7->dvPosition = data->dvPosition;
187 light7->dvDirection = data->dvDirection;
188 light7->dvRange = data->dvRange;
189 light7->dvFalloff = data->dvFalloff;
190 light7->dvAttenuation0 = data->dvAttenuation0;
191 light7->dvAttenuation1 = data->dvAttenuation1;
192 light7->dvAttenuation2 = data->dvAttenuation2;
193 light7->dvTheta = data->dvTheta;
194 light7->dvPhi = data->dvPhi;
195
197 memcpy(&light->light, data, sizeof(*data));
198 if (!(light->light.dwFlags & D3DLIGHT_ACTIVE) && flags & D3DLIGHT_ACTIVE)
200 else if (light->light.dwFlags & D3DLIGHT_ACTIVE && !(flags & D3DLIGHT_ACTIVE))
202 else if (flags & D3DLIGHT_ACTIVE)
204 light->light.dwFlags = flags;
206
207 return D3D_OK;
208}
209
210/*****************************************************************************
211 * IDirect3DLight::GetLight
212 *
213 * Returns the parameters currently assigned to the IDirect3DLight object
214 *
215 * Params:
216 * Light: Pointer to an D3DLIGHT structure to store the parameters
217 *
218 * Returns:
219 * D3D_OK on success
220 * DDERR_INVALIDPARAMS if Light is NULL
221 *****************************************************************************/
222static HRESULT WINAPI d3d_light_GetLight(IDirect3DLight *iface, D3DLIGHT *lpLight)
223{
225
226 TRACE("iface %p, light %p.\n", iface, lpLight);
227
229 memcpy(lpLight, &light->light, lpLight->dwSize);
231
232 return DD_OK;
233}
234
235static const struct IDirect3DLightVtbl d3d_light_vtbl =
236{
237 /*** IUnknown Methods ***/
241 /*** IDirect3DLight Methods ***/
245};
246
248{
249 light->IDirect3DLight_iface.lpVtbl = &d3d_light_vtbl;
250 light->ref = 1;
251 light->ddraw = ddraw;
252}
253
254struct d3d_light *unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface)
255{
256 if (!iface)
257 return NULL;
258 assert(iface->lpVtbl == &d3d_light_vtbl);
259
260 return impl_from_IDirect3DLight(iface);
261}
static BOOL heap_free(void *mem)
Definition: appwiz.h:75
#define InterlockedIncrement
Definition: armddk.h:53
#define InterlockedDecrement
Definition: armddk.h:52
#define WINE_DEFAULT_DEBUG_CHANNEL(t)
Definition: precomp.h:23
#define FIXME(fmt,...)
Definition: debug.h:111
#define IDirect3DDevice7_LightEnable(p, a, b)
Definition: d3d.h:1387
#define IDirect3DDevice7_SetLight(p, a, b)
Definition: d3d.h:1361
#define D3D_OK
Definition: d3d.h:106
@ D3DLIGHT_PARALLELPOINT
Definition: d3dtypes.h:558
#define D3DLIGHT_NO_SPECULAR
Definition: d3dtypes.h:597
#define D3DLIGHT_ACTIVE
Definition: d3dtypes.h:596
struct _D3DLIGHT2 D3DLIGHT2
static HRESULT WINAPI d3d_light_SetLight(IDirect3DLight *iface, D3DLIGHT *data)
Definition: light.c:166
void light_activate(struct d3d_light *light)
Definition: light.c:51
void light_deactivate(struct d3d_light *light)
Definition: light.c:75
static ULONG WINAPI d3d_light_AddRef(IDirect3DLight *iface)
Definition: light.c:117
static HRESULT WINAPI d3d_light_GetLight(IDirect3DLight *iface, D3DLIGHT *lpLight)
Definition: light.c:222
void d3d_light_init(struct d3d_light *light, struct ddraw *ddraw)
Definition: light.c:247
struct d3d_light * unsafe_impl_from_IDirect3DLight(IDirect3DLight *iface)
Definition: light.c:254
static void light_update(struct d3d_light *light)
Definition: light.c:33
static HRESULT WINAPI d3d_light_QueryInterface(IDirect3DLight *iface, REFIID riid, void **object)
Definition: light.c:109
static const struct IDirect3DLightVtbl d3d_light_vtbl
Definition: light.c:235
static HRESULT WINAPI d3d_light_Initialize(IDirect3DLight *iface, IDirect3D *d3d)
Definition: light.c:159
static struct d3d_light * impl_from_IDirect3DLight(IDirect3DLight *iface)
Definition: light.c:91
static ULONG WINAPI d3d_light_Release(IDirect3DLight *iface)
Definition: light.c:127
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define assert(x)
Definition: debug.h:53
unsigned long DWORD
Definition: ntddk_ex.h:95
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
GLbitfield flags
Definition: glext.h:7161
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum light
Definition: glfuncs.h:170
REFIID riid
Definition: atlbase.h:39
#define debugstr_guid
Definition: kernel32.h:35
unsigned int ULONG
Definition: retypes.h:1
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
#define REFIID
Definition: guiddef.h:118
#define DD_OK
Definition: ddraw.h:186
#define DDERR_INVALIDPARAMS
Definition: ddraw.h:79
#define TRACE(s)
Definition: solgame.cpp:4
D3DVALUE dvPhi
Definition: d3dtypes.h:593
D3DVALUE dvFalloff
Definition: d3dtypes.h:588
D3DCOLORVALUE dcvDiffuse
Definition: d3dtypes.h:582
D3DCOLORVALUE dcvAmbient
Definition: d3dtypes.h:584
D3DVALUE dvAttenuation2
Definition: d3dtypes.h:591
D3DVALUE dvAttenuation0
Definition: d3dtypes.h:589
D3DVECTOR dvPosition
Definition: d3dtypes.h:585
D3DVALUE dvRange
Definition: d3dtypes.h:587
D3DLIGHTTYPE dltType
Definition: d3dtypes.h:581
D3DVALUE dvTheta
Definition: d3dtypes.h:592
D3DCOLORVALUE dcvSpecular
Definition: d3dtypes.h:583
D3DVALUE dvAttenuation1
Definition: d3dtypes.h:590
D3DVECTOR dvDirection
Definition: d3dtypes.h:586
DWORD dwSize
Definition: d3dtypes.h:566
D3DLIGHT7 light7
IDirect3DLight IDirect3DLight_iface
Definition: devices.h:37
Definition: send.c:48
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
Definition: wincrypt.h:1176
#define WINAPI
Definition: msvc.h:6
void WINAPI wined3d_mutex_unlock(void)
Definition: wined3d_main.c:373
void WINAPI wined3d_mutex_lock(void)
Definition: wined3d_main.c:368
#define E_NOINTERFACE
Definition: winerror.h:2364