Source Code Cross Referenced for OGLBlitter.java in  » Apache-Harmony-Java-SE » org-package » org » apache » harmony » awt » gl » opengl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.awt.gl.opengl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        /**
018:         * @author Oleg V. Khaschansky
019:         * @version $Revision$
020:         */package org.apache.harmony.awt.gl.opengl;
021:
022:        import org.apache.harmony.awt.gl.render.Blitter;
023:        import org.apache.harmony.awt.gl.*;
024:        import org.apache.harmony.awt.nativebridge.NativeBridge;
025:        import org.apache.harmony.awt.nativebridge.Int32Pointer;
026:        import org.apache.harmony.misc.accessors.LockedArray;
027:
028:        import java.awt.geom.AffineTransform;
029:        import java.awt.*;
030:        import java.awt.image.ColorModel;
031:        import java.awt.image.BufferedImage;
032:
033:        public class OGLBlitter implements  Blitter {
034:            private static final GL gl = GL.getInstance();
035:
036:            private static final OGLBlitter inst = new OGLBlitter();
037:
038:            private static final class OGLImageParams {
039:                OGLImageParams(int format, int intFormat, int type,
040:                        int alignment, boolean requiresConversion) {
041:                    oglFormat = format;
042:                    oglIntFormat = intFormat;
043:                    oglType = type;
044:                    oglAlignment = alignment;
045:                    this .requiresConversion = requiresConversion;
046:                }
047:
048:                int oglFormat;
049:                int oglIntFormat;
050:                int oglType;
051:                int oglAlignment;
052:                boolean requiresConversion;
053:            }
054:
055:            static final class OGLTextureParams {
056:                OGLTextureParams(int tName, int p2w, int p2h, int w, int h) {
057:                    textureName = tName;
058:                    this .p2w = p2w;
059:                    this .p2h = p2h;
060:                    width = w;
061:                    height = h;
062:                }
063:
064:                int textureName;
065:
066:                // Actual texture width and height
067:                int p2w;
068:                int p2h;
069:
070:                // Size of the used part of the texture
071:                int width;
072:                int height;
073:
074:                final void deleteTexture() {
075:                    deleteTexture(textureName);
076:                    textureName = 0;
077:                }
078:
079:                static final void deleteTexture(int textureName) {
080:                    if (textureName != 0) {
081:                        Int32Pointer texPtr = NativeBridge.getInstance()
082:                                .createInt32Pointer(1, true);
083:                        texPtr.set(0, textureName);
084:                        gl.glDeleteTextures(1, texPtr);
085:                        texPtr.free();
086:                    }
087:                }
088:            };
089:
090:            private static final OGLImageParams IMAGE_TYPE_MAPPING[] = new OGLImageParams[] {
091:                    new OGLImageParams(GLDefs.GL_BGRA, 4,
092:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, true), // TYPE_CUSTOM = 0
093:                    new OGLImageParams(GLDefs.GL_BGR, 3,
094:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, false), // TYPE_INT_RGB = 1
095:                    new OGLImageParams(GLDefs.GL_BGRA, 4,
096:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, false), // TYPE_INT_ARGB = 2
097:                    new OGLImageParams(GLDefs.GL_BGRA, 4,
098:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, false), // TYPE_INT_ARGB_PRE = 3
099:                    new OGLImageParams(GLDefs.GL_RGB, 3,
100:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, false), // TYPE_INT_BGR = 4
101:                    new OGLImageParams(GLDefs.GL_BGR, 3,
102:                            GLDefs.GL_UNSIGNED_BYTE, 1, false), // TYPE_3BYTE_BGR = 5
103:                    new OGLImageParams(GLDefs.GL_RGBA, 4,
104:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, false), // TYPE_4BYTE_ABGR = 6
105:                    new OGLImageParams(GLDefs.GL_RGBA, 4,
106:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, false), // TYPE_4BYTE_ABGR_PRE = 7
107:                    new OGLImageParams(GLDefs.GL_RGB, 3,
108:                            GLDefs.GL_UNSIGNED_SHORT_5_6_5, 2, false), // TYPE_USHORT_565_RGB = 8
109:                    new OGLImageParams(GLDefs.GL_BGR, 3,
110:                            GLDefs.GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, false), // TYPE_USHORT_555_RGB = 9
111:                    new OGLImageParams(GLDefs.GL_LUMINANCE, 1,
112:                            GLDefs.GL_UNSIGNED_BYTE, 1, false), // TYPE_BYTE_GRAY = 10
113:                    new OGLImageParams(GLDefs.GL_LUMINANCE, 1,
114:                            GLDefs.GL_UNSIGNED_SHORT, 2, false), // TYPE_USHORT_GRAY = 11
115:                    new OGLImageParams(GLDefs.GL_BGR, 3,
116:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, true), // TYPE_BYTE_BINARY = 12
117:                    new OGLImageParams(GLDefs.GL_BGRA, 4,
118:                            GLDefs.GL_UNSIGNED_INT_8_8_8_8_REV, 4, true) // TYPE_BYTE_INDEXED = 13
119:            };
120:
121:            public static OGLBlitter getInstance() {
122:                return inst;
123:            }
124:
125:            public void blit(int srcX, int srcY, Surface srcSurf, int dstX,
126:                    int dstY, Surface dstSurf, int width, int height,
127:                    AffineTransform sysxform, AffineTransform xform,
128:                    Composite comp, Color bgcolor, MultiRectArea clip) {
129:                int type = xform.getType();
130:                switch (type) {
131:                case AffineTransform.TYPE_TRANSLATION:
132:                    dstX += xform.getTranslateX();
133:                    dstY += xform.getTranslateY();
134:                case AffineTransform.TYPE_IDENTITY:
135:                    blit(srcX, srcY, srcSurf, dstX, dstY, dstSurf, width,
136:                            height, sysxform, comp, bgcolor, clip);
137:                    break;
138:                default:
139:                    AffineTransform at = (AffineTransform) sysxform.clone();
140:                    at.concatenate(xform);
141:                    blit(srcX, srcY, srcSurf, dstX, dstY, dstSurf, width,
142:                            height, at, comp, bgcolor, clip);
143:                }
144:            }
145:
146:            public void blit(int srcX, int srcY, Surface srcSurf, int dstX,
147:                    int dstY, Surface dstSurf, int width, int height,
148:                    AffineTransform sysxform, Composite comp, Color bgcolor,
149:                    MultiRectArea clip) {
150:                int type = sysxform.getType();
151:                switch (type) {
152:                case AffineTransform.TYPE_TRANSLATION:
153:                    dstX += sysxform.getTranslateX();
154:                    dstY += sysxform.getTranslateY();
155:                case AffineTransform.TYPE_IDENTITY:
156:                    blitImpl(srcX, srcY, srcSurf, dstX, dstY, dstSurf, width,
157:                            height, comp, bgcolor, clip, null);
158:                    break;
159:                default:
160:                    blitImpl(srcX, srcY, srcSurf, dstX, dstY, dstSurf, width,
161:                            height, comp, bgcolor, clip, sysxform);
162:                }
163:            }
164:
165:            public void blit(int srcX, int srcY, Surface srcSurf, int dstX,
166:                    int dstY, Surface dstSurf, int width, int height,
167:                    Composite comp, Color bgcolor, MultiRectArea clip) {
168:                blitImpl(srcX, srcY, srcSurf, dstX, dstY, dstSurf, width,
169:                        height, comp, bgcolor, clip, null);
170:            }
171:
172:            private final void blitImpl(int srcX, int srcY, Surface srcSurf,
173:                    int dstX, int dstY, Surface dstSurf, int width, int height,
174:                    Composite comp, Color bgcolor, MultiRectArea clip,
175:                    AffineTransform xform) {
176:                OGLSurface oglDstSurf = (OGLSurface) dstSurf;
177:                OGLGraphics2D oglg = oglDstSurf.oglg;
178:                oglg.makeCurrent();
179:
180:                // Set the requested clip, saving current clip
181:                MultiRectArea oldClip = (MultiRectArea) oglg.getClip();
182:                boolean needRestoreClip = false;
183:                if ((clip == null && oldClip != null) || !clip.equals(oldClip)) {
184:                    oglg.setTransformedClip(clip);
185:                    needRestoreClip = true;
186:                } else {
187:                    oldClip = null;
188:                }
189:
190:                // Fill the background if needed
191:                if (srcSurf.getColorModel().getTransparency() != Transparency.OPAQUE
192:                        && bgcolor != null) {
193:                    if (xform == null) {
194:                        oglg.fillRect(dstX, dstY, width, height);
195:                    } else {
196:                        Rectangle bounds = new Rectangle(srcX, srcY, width,
197:                                height);
198:                        Shape tBounds = xform.createTransformedShape(bounds);
199:                        AffineTransform dstT = AffineTransform
200:                                .getTranslateInstance(dstX, dstY);
201:                        tBounds = dstT.createTransformedShape(tBounds);
202:                        Color savedc = oglg.getColor();
203:                        oglg.setColor(bgcolor);
204:                        oglg.fill(tBounds);
205:                        oglg.setColor(savedc);
206:                    }
207:                }
208:
209:                if (srcX != 0 || srcY != 0) {
210:                    gl.glPixelStoref(GLDefs.GL_UNPACK_SKIP_PIXELS, srcX);
211:                    gl.glPixelStoref(GLDefs.GL_UNPACK_SKIP_ROWS, srcY);
212:                }
213:
214:                ColorModel srcCM = srcSurf.getColorModel();
215:
216:                boolean needRestoreComposite = false;
217:                boolean needPremultiply = false;
218:                if (comp instanceof  AlphaComposite) {
219:                    if (!oglg.getComposite().equals(comp)
220:                            || !srcCM.isAlphaPremultiplied()
221:                            || srcCM.hasAlpha() == oglg.opaqueColor) {
222:                        needPremultiply = OGLGraphics2D.enableAlphaComposite(
223:                                (AlphaComposite) comp, srcCM
224:                                        .isAlphaPremultiplied(), srcCM
225:                                        .hasAlpha());
226:                        needRestoreComposite = true;
227:                    }
228:                } else {
229:                    // XXX - todo - custom composite
230:                }
231:
232:                boolean oglSrc = false; //srcSurf instanceof OGLSurface;
233:
234:                if (xform == null && !oglSrc) {
235:                    // glCopyPixels works very slow on some NV GPU's.
236:                    /*
237:                    boolean copied = (srcSurf instanceof OGLSurface) &&
238:                        oglg.copyArea(
239:                                srcX, srcY,
240:                                width, height,
241:                                dstX, dstY,
242:                                ((OGLSurface) srcSurf).oglg
243:                        );
244:
245:                    if(!copied) {
246:                     */
247:                    blitImg2OGL(srcSurf, width, height, dstX, dstY,
248:                            needPremultiply);
249:                    //}
250:                } else {
251:                    OGLTextureParams tp;
252:                    if (oglSrc) { // We have opengl source with or w/o transform
253:                        tp = blitOGL2OGLTexCached((OGLSurface) srcSurf,
254:                                oglDstSurf, srcX, srcY, dstX, dstY, width,
255:                                height);
256:
257:                        if (tp == null) { // Can't copy texture, use readPixels
258:                            oglSrc = false;
259:                            tp = blitImg2OGLTexCached(srcSurf, width, height,
260:                                    needPremultiply);
261:                        }
262:                    } else { // Non opengl source
263:                        tp = blitImg2OGLTexCached(srcSurf, width, height,
264:                                needPremultiply);
265:                    }
266:
267:                    double xCoord = (double) width / tp.p2w;
268:                    double yCoord = (double) height / tp.p2h;
269:
270:                    double vertices[] = new double[8];
271:                    if (!oglSrc) {
272:                        vertices[0] = srcX;
273:                        vertices[1] = srcY;
274:                        vertices[2] = srcX + width;
275:                        vertices[3] = srcY;
276:                        vertices[4] = srcX + width;
277:                        vertices[5] = srcY + height;
278:                        vertices[6] = srcX;
279:                        vertices[7] = srcY + height;
280:                    } else {
281:                        vertices[6] = srcX;
282:                        vertices[7] = srcY;
283:                        vertices[4] = srcX + width;
284:                        vertices[5] = srcY;
285:                        vertices[2] = srcX + width;
286:                        vertices[3] = srcY + height;
287:                        vertices[0] = srcX;
288:                        vertices[1] = srcY + height;
289:                    }
290:
291:                    if (xform != null) {
292:                        xform.transform(vertices, 0, vertices, 0, 4);
293:                    }
294:
295:                    for (int i = 0; i < vertices.length; i++) {
296:                        vertices[i] += (i % 2 == 0) ? dstX : dstY;
297:                    }
298:
299:                    gl.glEnable(GLDefs.GL_TEXTURE_2D);
300:                    gl.glBegin(GLDefs.GL_QUADS);
301:
302:                    gl.glTexCoord2d(0.0, 0.0);
303:                    gl.glVertex2d(vertices[0], vertices[1]);
304:                    gl.glTexCoord2d(xCoord, 0.0);
305:                    gl.glVertex2d(vertices[2], vertices[3]);
306:                    gl.glTexCoord2d(xCoord, yCoord);
307:                    gl.glVertex2d(vertices[4], vertices[5]);
308:                    gl.glTexCoord2d(0.0, yCoord);
309:                    gl.glVertex2d(vertices[6], vertices[7]);
310:
311:                    gl.glEnd();
312:                    gl.glFlush();
313:                    gl.glDisable(GLDefs.GL_TEXTURE_2D);
314:
315:                    //tp.deleteTexture();
316:                }
317:
318:                if (needRestoreClip) {
319:                    oglg.setTransformedClip(oldClip);
320:                }
321:
322:                if (needRestoreComposite) {
323:                    oglg.checkComposite();
324:                }
325:            }
326:
327:            private void blitImg2OGL(Surface srcSurf, int width, int height,
328:                    int dstX, int dstY, boolean needPremultiply) {
329:                OGLImageParams imageParams = IMAGE_TYPE_MAPPING[srcSurf
330:                        .getSurfaceType()];
331:                boolean requiresConversion = imageParams.requiresConversion;
332:                if (requiresConversion || needPremultiply) {
333:                    imageParams = IMAGE_TYPE_MAPPING[BufferedImage.TYPE_INT_ARGB_PRE];
334:                }
335:
336:                gl.glPixelStorei(GLDefs.GL_UNPACK_ALIGNMENT,
337:                        imageParams.oglAlignment);
338:
339:                ColorModel srcCM = srcSurf.getColorModel();
340:
341:                // Obtain image data in opengl-compatible format and draw the image
342:                if (requiresConversion || needPremultiply) {
343:                    // Set the raster position to the destination point
344:                    gl.glRasterPos2i(0, 0);
345:                    gl.glBitmap(0, 0, 0, 0, dstX, -dstY, 0);
346:
347:                    gl.glPixelZoom(1, -1);
348:
349:                    // needPremultiply should be always false for OGLSurface, type cast is safe
350:                    gl.glDrawPixels(width, height, imageParams.oglFormat,
351:                            imageParams.oglType, ((ImageSurface) srcSurf)
352:                                    .getCachedData(srcCM.isAlphaPremultiplied()
353:                                            || needPremultiply));
354:                } else {
355:                    Object data;
356:                    if (srcSurf instanceof  OGLSurface) {
357:                        data = ((OGLSurface) srcSurf).getBottomToTopData();
358:
359:                        // Set the raster position to the destination point
360:                        gl.glRasterPos2i(0, 0);
361:                        gl.glBitmap(0, 0, 0, 0, dstX, -dstY - height, 0);
362:
363:                        gl.glPixelZoom(1, 1);
364:                    } else {
365:                        data = srcSurf.getData();
366:
367:                        // Set the raster position to the destination point
368:                        gl.glRasterPos2i(0, 0);
369:                        gl.glBitmap(0, 0, 0, 0, dstX, -dstY, 0);
370:
371:                        gl.glPixelZoom(1, -1);
372:                    }
373:
374:                    LockedArray ldata = Utils.arraccess.lockArrayShort(data);
375:                    gl.glDrawPixels(width, height, imageParams.oglFormat,
376:                            imageParams.oglType, ldata.getAddress());
377:                    ldata.release();
378:                }
379:            }
380:
381:            /**
382:             * Calculates the next power of 2 from the size
383:             * @param size - arbitrary positive integer
384:             * @return next to the size power of 2
385:             */
386:            private final static int p2(int size) {
387:                size--;
388:                size |= size >> 1;
389:                size |= size >> 2;
390:                size |= size >> 4;
391:                size |= size >> 8;
392:                size |= size >> 16;
393:                return ++size;
394:            }
395:
396:            private final OGLTextureParams blitImg2OGLTex(Surface srcSurf,
397:                    int width, int height, boolean needPremultiply,
398:                    OGLTextureParams tp) {
399:                OGLImageParams imageParams = IMAGE_TYPE_MAPPING[srcSurf
400:                        .getSurfaceType()];
401:                boolean requiresConversion = imageParams.requiresConversion;
402:                if (requiresConversion || needPremultiply) {
403:                    imageParams = IMAGE_TYPE_MAPPING[BufferedImage.TYPE_INT_ARGB_PRE];
404:                }
405:
406:                gl.glPixelStorei(GLDefs.GL_UNPACK_ALIGNMENT,
407:                        imageParams.oglAlignment);
408:
409:                ColorModel srcCM = srcSurf.getColorModel();
410:
411:                int p2w = p2(width);
412:                int p2h = p2(height);
413:
414:                if (tp == null) {
415:                    Int32Pointer texPtr = NativeBridge.getInstance()
416:                            .createInt32Pointer(1, true);
417:
418:                    gl.glGenTextures(1, texPtr);
419:                    int texName = texPtr.get(0);
420:                    gl.glBindTexture(GLDefs.GL_TEXTURE_2D, texName);
421:                    texPtr.free();
422:
423:                    gl.glTexParameteri(GLDefs.GL_TEXTURE_2D,
424:                            GLDefs.GL_TEXTURE_MAG_FILTER, GLDefs.GL_NEAREST);
425:                    gl.glTexParameteri(GLDefs.GL_TEXTURE_2D,
426:                            GLDefs.GL_TEXTURE_MIN_FILTER, GLDefs.GL_NEAREST);
427:
428:                    tp = new OGLTextureParams(texName, p2w, p2h, width, height);
429:                } else {
430:                    gl.glBindTexture(GLDefs.GL_TEXTURE_2D, tp.textureName);
431:                    tp.width = width;
432:                    tp.height = height;
433:                    tp.p2w = p2w;
434:                    tp.p2h = p2h;
435:                }
436:
437:                // XXX - todo - check for texture non p2 extension
438:                gl.glTexImage2D(GLDefs.GL_TEXTURE_2D, 0,
439:                        imageParams.oglIntFormat, p2w, p2h, 0,
440:                        imageParams.oglFormat, imageParams.oglType, 0);
441:
442:                // Obtain image data in opengl-compatible format and draw the image
443:                if (requiresConversion || needPremultiply) {
444:                    // needPremultiply should be always false for OGLSurface, type cast is safe
445:                    gl.glTexSubImage2D(GLDefs.GL_TEXTURE_2D, 0, 0, 0,
446:                            //imageParams.oglIntFormat,
447:                            width,
448:                            height, // 0,
449:                            imageParams.oglFormat, imageParams.oglType,
450:                            ((ImageSurface) srcSurf).getCachedData(srcCM
451:                                    .isAlphaPremultiplied()
452:                                    || needPremultiply));
453:                } else {
454:                    Object data = srcSurf.getData();
455:                    LockedArray ldata = Utils.arraccess.lockArrayShort(data);
456:                    gl.glTexSubImage2D(GLDefs.GL_TEXTURE_2D, 0, 0, 0,
457:                    //imageParams.oglIntFormat,
458:                            width, height, //0,
459:                            imageParams.oglFormat, imageParams.oglType, ldata
460:                                    .getAddress());
461:
462:                    ldata.release();
463:                }
464:
465:                return tp;
466:            }
467:
468:            final OGLTextureParams blitImg2OGLTexCached(Surface srcSurf,
469:                    int width, int height, boolean needPremultiply) {
470:                TextureCache tc = TextureCache.getInstance();
471:                OGLTextureParams tp = tc.findTexture(srcSurf);
472:
473:                if (tp != null) {
474:                    if (width > tp.width || height > tp.height
475:                            || !srcSurf.isCaheValid(tp)) {
476:                        tp = blitImg2OGLTex(srcSurf, width, height,
477:                                needPremultiply, tp);
478:                        srcSurf.addValidCache(tp);
479:                    } else {
480:                        gl.glBindTexture(GLDefs.GL_TEXTURE_2D, tp.textureName);
481:                    }
482:                } else {
483:                    tp = blitImg2OGLTex(srcSurf, width, height,
484:                            needPremultiply, null);
485:                    tc.add(srcSurf, tp);
486:                    srcSurf.addValidCache(tp);
487:                    tc.cleanupTextures();
488:                }
489:
490:                gl.glTexEnvf(GLDefs.GL_TEXTURE_ENV, GLDefs.GL_TEXTURE_ENV_MODE,
491:                        GLDefs.GL_REPLACE);
492:
493:                return tp;
494:            }
495:
496:            private final OGLTextureParams blitOGL2OGLTexCached(
497:                    OGLSurface srcSurf, OGLSurface dstSurf, int srcX, int srcY,
498:                    int dstX, int dstY, int width, int height) {
499:                TextureCache tc = TextureCache.getInstance();
500:                OGLTextureParams tp = tc.findTexture(srcSurf);
501:
502:                if (tp != null) {
503:                    if (width > tp.width || height > tp.height
504:                            || !srcSurf.isCaheValid(tp)) {
505:                        tp = blitOGL2OGLTex(srcSurf, dstSurf, srcX, srcY, dstX,
506:                                dstY, width, height, tp);
507:                        srcSurf.addValidCache(tp);
508:                    } else {
509:                        gl.glBindTexture(GLDefs.GL_TEXTURE_2D, tp.textureName);
510:                    }
511:                } else {
512:                    tp = blitOGL2OGLTex(srcSurf, dstSurf, srcX, srcY, dstX,
513:                            dstY, width, height, null);
514:                    tc.add(srcSurf, tp);
515:                    srcSurf.addValidCache(tp);
516:                    tc.cleanupTextures();
517:                }
518:
519:                gl.glTexEnvf(GLDefs.GL_TEXTURE_ENV, GLDefs.GL_TEXTURE_ENV_MODE,
520:                        GLDefs.GL_REPLACE);
521:
522:                return tp;
523:            }
524:
525:            private final OGLTextureParams blitOGL2OGLTex(OGLSurface srcSurf,
526:                    OGLSurface dstSurf, int srcX, int srcY, int dstX, int dstY,
527:                    int width, int height, OGLTextureParams tp) {
528:                OGLImageParams imageParams = IMAGE_TYPE_MAPPING[BufferedImage.TYPE_INT_ARGB_PRE];
529:                gl.glPixelStorei(GLDefs.GL_UNPACK_ALIGNMENT,
530:                        imageParams.oglAlignment);
531:
532:                int p2w = p2(width);
533:                int p2h = p2(height);
534:
535:                if (tp == null) {
536:                    Int32Pointer texPtr = NativeBridge.getInstance()
537:                            .createInt32Pointer(1, true);
538:
539:                    gl.glGenTextures(1, texPtr);
540:                    int texName = texPtr.get(0);
541:                    gl.glBindTexture(GLDefs.GL_TEXTURE_2D, texName);
542:                    texPtr.free();
543:
544:                    gl.glTexParameteri(GLDefs.GL_TEXTURE_2D,
545:                            GLDefs.GL_TEXTURE_MAG_FILTER, GLDefs.GL_NEAREST);
546:                    gl.glTexParameteri(GLDefs.GL_TEXTURE_2D,
547:                            GLDefs.GL_TEXTURE_MIN_FILTER, GLDefs.GL_NEAREST);
548:
549:                    tp = new OGLTextureParams(texName, p2w, p2h, width, height);
550:                } else {
551:                    gl.glBindTexture(GLDefs.GL_TEXTURE_2D, tp.textureName);
552:                    tp.width = width;
553:                    tp.height = height;
554:                    tp.p2w = p2w;
555:                    tp.p2h = p2h;
556:                }
557:
558:                // XXX - todo - check for texture non p2 extension
559:                gl.glTexImage2D(GLDefs.GL_TEXTURE_2D, 0,
560:                        imageParams.oglIntFormat, p2w, p2h, 0,
561:                        imageParams.oglFormat, imageParams.oglType, 0);
562:
563:                // Obtain image data in opengl-compatible format and draw the image
564:                boolean copied = dstSurf.oglg.copyArea(srcX, srcY, width,
565:                        height, dstX, dstY, (srcSurf).oglg, true);
566:
567:                return copied ? tp : null;
568:            }
569:
570:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.