1 /* |
|
2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // INCLUDE FILES |
|
20 #include "HgVgEGL.h" |
|
21 #include "HgVgConstants.h" |
|
22 #include <coecntrl.h> |
|
23 |
|
24 |
|
25 using namespace HgVgConstants; |
|
26 |
|
27 // ============================ MEMBER FUNCTIONS =============================== |
|
28 // ----------------------------------------------------------------------------- |
|
29 // CHgVgEGL::NewL() |
|
30 // Two-phased constructor. |
|
31 // ----------------------------------------------------------------------------- |
|
32 // |
|
33 CHgVgEGL* CHgVgEGL::NewL(RWindow& aWindow) |
|
34 { |
|
35 CHgVgEGL* self = new ( ELeave ) CHgVgEGL(); |
|
36 CleanupStack::PushL (self ); |
|
37 self->ConstructL(aWindow); |
|
38 CleanupStack::Pop (self ); |
|
39 return self; |
|
40 } |
|
41 |
|
42 // ----------------------------------------------------------------------------- |
|
43 // CHgVgEGL::ConstructL() |
|
44 // Symbian 2nd phase constructor can leave. |
|
45 // ----------------------------------------------------------------------------- |
|
46 // |
|
47 void CHgVgEGL::ConstructL (RWindow& aWindow) |
|
48 { |
|
49 InitEGL(aWindow); |
|
50 } |
|
51 |
|
52 // ----------------------------------------------------------------------------- |
|
53 // CHgVgEGL::CHgVgEGL() |
|
54 // C++ default constructor can NOT contain any code, that might leave. |
|
55 // ----------------------------------------------------------------------------- |
|
56 // |
|
57 CHgVgEGL::CHgVgEGL() |
|
58 { |
|
59 } |
|
60 |
|
61 // ----------------------------------------------------------------------------- |
|
62 // CHgVgEGL::~CHgVgEGL() |
|
63 // Destructor. |
|
64 // ----------------------------------------------------------------------------- |
|
65 // |
|
66 CHgVgEGL::~CHgVgEGL ( ) |
|
67 { |
|
68 DestroyEGL(); |
|
69 } |
|
70 |
|
71 // --------------------------------------------------------------------------- |
|
72 // CHgVgEGL::InitWindowSurfaceL() |
|
73 // --------------------------------------------------------------------------- |
|
74 // |
|
75 void CHgVgEGL::InitWindowSurfaceL(RWindow& aWindow) |
|
76 { |
|
77 RDebug::Print(_L("CHgVgEGL::InitWindowSurface")); |
|
78 |
|
79 InitEGL(aWindow); |
|
80 } |
|
81 |
|
82 // --------------------------------------------------------------------------- |
|
83 // CHgVgEGL::FreeWindowSurface() |
|
84 // --------------------------------------------------------------------------- |
|
85 // |
|
86 void CHgVgEGL::FreeWindowSurface() |
|
87 { |
|
88 RDebug::Print(_L("CHgVgEGL::FreeWindowSurface")); |
|
89 |
|
90 // make sure there is nothing pending. |
|
91 vgFinish(); |
|
92 |
|
93 // unbind current surface. |
|
94 eglMakeCurrent(iDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, iContextVg); |
|
95 |
|
96 // destroy surface |
|
97 eglDestroySurface(iDisplay, iSurface); |
|
98 iSurface = VG_INVALID_HANDLE; |
|
99 } |
|
100 |
|
101 // --------------------------------------------------------------------------- |
|
102 // CHgVgEGL::ReadyToRender() |
|
103 // --------------------------------------------------------------------------- |
|
104 // |
|
105 TBool CHgVgEGL::ReadyToRender() const |
|
106 { |
|
107 return iSurface && iDisplay && iContextVg; |
|
108 } |
|
109 |
|
110 // --------------------------------------------------------------------------- |
|
111 // CHgVgEGL::SwapBuffers() |
|
112 // --------------------------------------------------------------------------- |
|
113 // |
|
114 void CHgVgEGL::SwapBuffers() |
|
115 { |
|
116 eglSwapBuffers(iDisplay, iSurface); |
|
117 } |
|
118 |
|
119 // --------------------------------------------------------------------------- |
|
120 // CHgVgEGL::Display() |
|
121 // --------------------------------------------------------------------------- |
|
122 // |
|
123 EGLDisplay CHgVgEGL::Display() const |
|
124 { |
|
125 return iDisplay; |
|
126 } |
|
127 |
|
128 // --------------------------------------------------------------------------- |
|
129 // CHgVgEGL::Surface |
|
130 // --------------------------------------------------------------------------- |
|
131 // |
|
132 EGLSurface CHgVgEGL::Surface() const |
|
133 { |
|
134 return iSurface; |
|
135 } |
|
136 |
|
137 // --------------------------------------------------------------------------- |
|
138 // CHgVgEGL::Context() |
|
139 // --------------------------------------------------------------------------- |
|
140 // |
|
141 EGLContext CHgVgEGL::Context() const |
|
142 { |
|
143 return iContextVg; |
|
144 } |
|
145 |
|
146 // --------------------------------------------------------------------------- |
|
147 // CHgVgEGL::CurrentConfig() |
|
148 // --------------------------------------------------------------------------- |
|
149 // |
|
150 EGLConfig CHgVgEGL::CurrentConfig() const |
|
151 { |
|
152 return iChosenConfig; |
|
153 } |
|
154 |
|
155 // --------------------------------------------------------------------------- |
|
156 // CHgVgEGL::InitEGL() |
|
157 // --------------------------------------------------------------------------- |
|
158 // |
|
159 void CHgVgEGL::InitEGL(RWindow& aWindow) |
|
160 { |
|
161 |
|
162 // if we are just resizing or recreating |
|
163 if (iContextVg != VG_INVALID_HANDLE) |
|
164 { |
|
165 |
|
166 |
|
167 // save old surface |
|
168 EGLSurface oldSurface = VG_INVALID_HANDLE; |
|
169 if (iSurface != VG_INVALID_HANDLE) |
|
170 { |
|
171 // make sure there is nothing pending. |
|
172 vgFinish(); |
|
173 |
|
174 oldSurface = iSurface; |
|
175 |
|
176 // unbind current surface. |
|
177 eglMakeCurrent(iDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, iContextVg); |
|
178 } |
|
179 |
|
180 // create new surface |
|
181 InitEGLWindowSurfaceL(aWindow); |
|
182 |
|
183 // bind new surface |
|
184 eglMakeCurrent(iDisplay, iSurface, iSurface, iContextVg); |
|
185 |
|
186 if (oldSurface != VG_INVALID_HANDLE) |
|
187 { |
|
188 // free old surface |
|
189 eglDestroySurface(iDisplay,oldSurface); |
|
190 } |
|
191 |
|
192 } |
|
193 else |
|
194 { |
|
195 |
|
196 // get display |
|
197 iDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
|
198 |
|
199 // intialize egl |
|
200 eglInitialize(iDisplay, NULL, NULL); |
|
201 |
|
202 // find suitable display config |
|
203 EGLint numConfigs; |
|
204 iChosenConfig = 0; |
|
205 |
|
206 const EGLint KColorAttribList[] = |
|
207 { |
|
208 EGL_RED_SIZE, KSurfaceRedBits, |
|
209 EGL_GREEN_SIZE, KSurfaceGreenBits, |
|
210 EGL_BLUE_SIZE, KSurfaceBlueBits, |
|
211 EGL_ALPHA_SIZE, KSurfaceAlphaBits, |
|
212 EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
|
213 EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT, |
|
214 EGL_NONE |
|
215 }; |
|
216 |
|
217 eglChooseConfig(iDisplay, KColorAttribList, &iChosenConfig, 1, &numConfigs); |
|
218 |
|
219 // we need openvg |
|
220 eglBindAPI(EGL_OPENVG_API); |
|
221 |
|
222 InitEGLWindowSurfaceL(aWindow); |
|
223 |
|
224 // Create context for our thread. |
|
225 iContextVg = eglCreateContext(iDisplay, iChosenConfig, EGL_NO_CONTEXT, NULL); |
|
226 |
|
227 // bind surface to context |
|
228 eglMakeCurrent(iDisplay, iSurface, iSurface, iContextVg); |
|
229 |
|
230 } |
|
231 |
|
232 } |
|
233 |
|
234 // --------------------------------------------------------------------------- |
|
235 // CHgVgEGL::InitEGLWindowSurfaceL() |
|
236 // --------------------------------------------------------------------------- |
|
237 // |
|
238 void CHgVgEGL::InitEGLWindowSurfaceL(RWindow& aWindow) |
|
239 { |
|
240 |
|
241 |
|
242 // Create surface with premodulated alpha, on IVE3 this gives better performance. |
|
243 const EGLint KAttriblist[] = |
|
244 { |
|
245 EGL_VG_ALPHA_FORMAT, EGL_VG_ALPHA_FORMAT_PRE, |
|
246 EGL_NONE |
|
247 }; |
|
248 iSurface = eglCreateWindowSurface(iDisplay, iChosenConfig, &aWindow, KAttriblist); |
|
249 EGLint error = eglGetError(); |
|
250 if (error == EGL_BAD_ALLOC) |
|
251 { |
|
252 RDebug::Print(_L("CHgVgEGL:: Can't create surface! (out of memory)")); |
|
253 User::Leave(KErrNoMemory); |
|
254 } |
|
255 else if (error == EGL_BAD_SURFACE || iSurface == EGL_NO_SURFACE) |
|
256 { |
|
257 RDebug::Print(_L("CHgVgEGL:: Can't create surface! (general)")); |
|
258 User::Leave(KErrGeneral); |
|
259 } |
|
260 |
|
261 eglSurfaceAttrib(iDisplay, iSurface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED); |
|
262 |
|
263 } |
|
264 |
|
265 // --------------------------------------------------------------------------- |
|
266 // CHgVgEGL::DestroyEGL() |
|
267 // --------------------------------------------------------------------------- |
|
268 // |
|
269 void CHgVgEGL::DestroyEGL() |
|
270 { |
|
271 // deinitialize egl |
|
272 eglMakeCurrent(iDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
|
273 eglDestroySurface(iDisplay,iSurface); |
|
274 eglDestroyContext( iDisplay, iContextVg ); |
|
275 eglTerminate(iDisplay); |
|
276 } |
|
277 |
|
278 |
|
279 // --------------------------------------------------------------------------- |
|
280 // CHgVgEGL::GetSurfaceToBitmap() |
|
281 // --------------------------------------------------------------------------- |
|
282 // |
|
283 CFbsBitmap* CHgVgEGL::GetSurfaceToBitmap(const TRect& aRect) const |
|
284 { |
|
285 // make sure every thing is in back buffer |
|
286 vgFinish(); |
|
287 |
|
288 VGuint dataStride = 4 * aRect.Width(); |
|
289 |
|
290 CFbsBitmap* bitmap = new CFbsBitmap(); |
|
291 |
|
292 if (bitmap) |
|
293 { |
|
294 // create temporary buffer for data |
|
295 RBuf8 buf; |
|
296 buf.Create(aRect.Width() * dataStride); |
|
297 buf.Fill(0xFF); |
|
298 |
|
299 // read data from vg (this is sloooww) |
|
300 vgReadPixels((void*)buf.Ptr(), |
|
301 dataStride, VG_sARGB_8888, 0, 0, aRect.Width(), aRect.Height()); |
|
302 |
|
303 // because of bug in vg driver we need to swap memory using for loop, because |
|
304 // negative datastrides case crash |
|
305 bitmap->Create(TSize(aRect.Width(), aRect.Height()), EColor16MA); |
|
306 bitmap->BeginDataAccess(); |
|
307 TUint8* ptrTrg = (TUint8*)bitmap->DataAddress(); |
|
308 TUint8* ptrSrc = (TUint8*)buf.Ptr(); |
|
309 for (TInt i = 0; i < aRect.Height(); i++) |
|
310 { |
|
311 Mem::Copy(ptrTrg + dataStride * i, |
|
312 ptrSrc + dataStride * (aRect.Height() - i - 1), dataStride); |
|
313 } |
|
314 bitmap->EndDataAccess(); |
|
315 buf.Close(); |
|
316 } |
|
317 |
|
318 return bitmap; |
|
319 } |
|
320 |
|
321 // End of File |
|