author | prr |
Fri, 19 Sep 2014 09:41:05 -0700 | |
changeset 26751 | 70bac69b37c9 |
parent 25859 | jdk/src/java.desktop/macosx/native/libawt_lwawt/sun/java2d/opengl/CGLSurfaceData.m@3317bb8137f4 |
child 27510 | 573e93cd3123 |
permissions | -rw-r--r-- |
12047 | 1 |
/* |
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6dadb192ad81
8029235: Update copyright year to match last edit in jdk8 jdk repository for 2013
lana
parents:
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changeset
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* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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||
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#import <stdlib.h> |
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#import <JavaNativeFoundation/JavaNativeFoundation.h> |
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#import "sun_java2d_opengl_CGLSurfaceData.h" |
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#import "jni.h" |
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#import "jni_util.h" |
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#import "OGLRenderQueue.h" |
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#import "CGLGraphicsConfig.h" |
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#import "CGLSurfaceData.h" |
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#import "CGLLayer.h" |
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#import "ThreadUtilities.h" |
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||
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/* JDK's glext.h is already included and will prevent the Apple glext.h |
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* being included, so define the externs directly |
|
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*/ |
|
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extern void glBindFramebufferEXT(GLenum target, GLuint framebuffer); |
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extern CGLError CGLTexImageIOSurface2D( |
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CGLContextObj ctx, GLenum target, GLenum internal_format, |
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GLsizei width, GLsizei height, GLenum format, GLenum type, |
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IOSurfaceRef ioSurface, GLuint plane); |
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||
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/** |
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* The methods in this file implement the native windowing system specific |
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* layer (CGL) for the OpenGL-based Java 2D pipeline. |
|
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*/ |
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#pragma mark - |
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#pragma mark "--- Mac OS X specific methods for GL pipeline ---" |
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||
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// TODO: hack that's called from OGLRenderQueue to test out unlockFocus behavior |
|
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#if 0 |
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void |
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OGLSD_UnlockFocus(OGLContext *oglc, OGLSDOps *dstOps) |
|
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{ |
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CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo; |
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CGLSDOps *cglsdo = (CGLSDOps *)dstOps->privOps; |
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fprintf(stderr, "about to unlock focus: %p %p\n", |
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cglsdo->peerData, ctxinfo->context); |
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NSOpenGLView *nsView = cglsdo->peerData; |
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if (nsView != NULL) { |
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JNF_COCOA_ENTER(env); |
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[nsView unlockFocus]; |
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JNF_COCOA_EXIT(env); |
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} |
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} |
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#endif |
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||
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/** |
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* Makes the given context current to its associated "scratch" surface. If |
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* the operation is successful, this method will return JNI_TRUE; otherwise, |
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* returns JNI_FALSE. |
|
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*/ |
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static jboolean |
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CGLSD_MakeCurrentToScratch(JNIEnv *env, OGLContext *oglc) |
|
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{ |
|
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J2dTraceLn(J2D_TRACE_INFO, "CGLSD_MakeCurrentToScratch"); |
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||
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if (oglc == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"CGLSD_MakeCurrentToScratch: context is null"); |
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return JNI_FALSE; |
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} |
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JNF_COCOA_ENTER(env); |
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CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo; |
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#if USE_NSVIEW_FOR_SCRATCH |
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[ctxinfo->context makeCurrentContext]; |
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[ctxinfo->context setView: ctxinfo->scratchSurface]; |
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#else |
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[ctxinfo->context clearDrawable]; |
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[ctxinfo->context makeCurrentContext]; |
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[ctxinfo->context setPixelBuffer: ctxinfo->scratchSurface |
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cubeMapFace: 0 |
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mipMapLevel: 0 |
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currentVirtualScreen: [ctxinfo->context currentVirtualScreen]]; |
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#endif |
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JNF_COCOA_EXIT(env); |
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return JNI_TRUE; |
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} |
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/** |
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* This function disposes of any native windowing system resources associated |
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* with this surface. For instance, if the given OGLSDOps is of type |
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* OGLSD_PBUFFER, this method implementation will destroy the actual pbuffer |
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* surface. |
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*/ |
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void |
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OGLSD_DestroyOGLSurface(JNIEnv *env, OGLSDOps *oglsdo) |
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{ |
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J2dTraceLn(J2D_TRACE_INFO, "OGLSD_DestroyOGLSurface"); |
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JNF_COCOA_ENTER(env); |
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CGLSDOps *cglsdo = (CGLSDOps *)oglsdo->privOps; |
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if (oglsdo->drawableType == OGLSD_PBUFFER) { |
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if (oglsdo->textureID != 0) { |
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j2d_glDeleteTextures(1, &oglsdo->textureID); |
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oglsdo->textureID = 0; |
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} |
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if (cglsdo->pbuffer != NULL) { |
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[cglsdo->pbuffer release]; |
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cglsdo->pbuffer = NULL; |
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} |
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} else if (oglsdo->drawableType == OGLSD_WINDOW) { |
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// detach the NSView from the NSOpenGLContext |
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CGLGraphicsConfigInfo *cglInfo = cglsdo->configInfo; |
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OGLContext *oglc = cglInfo->context; |
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CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo; |
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[ctxinfo->context clearDrawable]; |
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} |
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oglsdo->drawableType = OGLSD_UNDEFINED; |
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JNF_COCOA_EXIT(env); |
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} |
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/** |
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* Returns a pointer (as a jlong) to the native CGLGraphicsConfigInfo |
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* associated with the given OGLSDOps. This method can be called from |
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* shared code to retrieve the native GraphicsConfig data in a platform- |
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* independent manner. |
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*/ |
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jlong |
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OGLSD_GetNativeConfigInfo(OGLSDOps *oglsdo) |
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{ |
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J2dTraceLn(J2D_TRACE_INFO, "OGLSD_GetNativeConfigInfo"); |
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if (oglsdo == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_GetNativeConfigInfo: ops are null"); |
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return 0L; |
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} |
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CGLSDOps *cglsdo = (CGLSDOps *)oglsdo->privOps; |
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if (cglsdo == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_GetNativeConfigInfo: cgl ops are null"); |
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return 0L; |
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} |
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return ptr_to_jlong(cglsdo->configInfo); |
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} |
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||
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/** |
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* Makes the given GraphicsConfig's context current to its associated |
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* "scratch" surface. If there is a problem making the context current, |
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* this method will return NULL; otherwise, returns a pointer to the |
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* OGLContext that is associated with the given GraphicsConfig. |
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*/ |
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OGLContext * |
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OGLSD_SetScratchSurface(JNIEnv *env, jlong pConfigInfo) |
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{ |
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J2dTraceLn(J2D_TRACE_INFO, "OGLSD_SetScratchContext"); |
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CGLGraphicsConfigInfo *cglInfo = (CGLGraphicsConfigInfo *)jlong_to_ptr(pConfigInfo); |
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if (cglInfo == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_SetScratchContext: cgl config info is null"); |
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return NULL; |
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} |
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OGLContext *oglc = cglInfo->context; |
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CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo; |
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JNF_COCOA_ENTER(env); |
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// avoid changing the context's target view whenever possible, since |
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// calling setView causes flickering; as long as our context is current |
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// to some view, it's not necessary to switch to the scratch surface |
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if ([ctxinfo->context view] == nil) { |
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// it seems to be necessary to explicitly flush between context changes |
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OGLContext *currentContext = OGLRenderQueue_GetCurrentContext(); |
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if (currentContext != NULL) { |
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j2d_glFlush(); |
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} |
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if (!CGLSD_MakeCurrentToScratch(env, oglc)) { |
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return NULL; |
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} |
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// make sure our context is current |
6fddf8394164
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} else if ([NSOpenGLContext currentContext] != ctxinfo->context) { |
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[ctxinfo->context makeCurrentContext]; |
210 |
} |
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211 |
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212 |
if (OGLC_IS_CAP_PRESENT(oglc, CAPS_EXT_FBOBJECT)) { |
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// the GL_EXT_framebuffer_object extension is present, so this call |
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214 |
// will ensure that we are bound to the scratch surface (and not |
|
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// some other framebuffer object) |
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j2d_glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
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} |
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JNF_COCOA_EXIT(env); |
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return oglc; |
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} |
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||
224 |
/** |
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225 |
* Makes a context current to the given source and destination |
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* surfaces. If there is a problem making the context current, this method |
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* will return NULL; otherwise, returns a pointer to the OGLContext that is |
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228 |
* associated with the destination surface. |
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229 |
*/ |
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OGLContext * |
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231 |
OGLSD_MakeOGLContextCurrent(JNIEnv *env, OGLSDOps *srcOps, OGLSDOps *dstOps) |
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{ |
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233 |
J2dTraceLn(J2D_TRACE_INFO, "OGLSD_MakeOGLContextCurrent"); |
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234 |
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235 |
CGLSDOps *dstCGLOps = (CGLSDOps *)dstOps->privOps; |
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236 |
||
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J2dTraceLn4(J2D_TRACE_VERBOSE, " src: %d %p dst: %d %p", srcOps->drawableType, srcOps, dstOps->drawableType, dstOps); |
|
238 |
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239 |
OGLContext *oglc = dstCGLOps->configInfo->context; |
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240 |
if (oglc == NULL) { |
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241 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_MakeOGLContextCurrent: context is null"); |
|
242 |
return NULL; |
|
243 |
} |
|
244 |
||
245 |
CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo; |
|
246 |
||
247 |
// it seems to be necessary to explicitly flush between context changes |
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248 |
OGLContext *currentContext = OGLRenderQueue_GetCurrentContext(); |
|
249 |
if (currentContext != NULL) { |
|
250 |
j2d_glFlush(); |
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251 |
} |
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252 |
||
253 |
if (dstOps->drawableType == OGLSD_FBOBJECT) { |
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254 |
// first make sure we have a current context (if the context isn't |
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255 |
// already current to some drawable, we will make it current to |
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256 |
// its scratch surface) |
|
257 |
if (oglc != currentContext) { |
|
258 |
if (!CGLSD_MakeCurrentToScratch(env, oglc)) { |
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259 |
return NULL; |
|
260 |
} |
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261 |
} |
|
262 |
||
263 |
// now bind to the fbobject associated with the destination surface; |
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264 |
// this means that all rendering will go into the fbobject destination |
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265 |
// (note that we unbind the currently bound texture first; this is |
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266 |
// recommended procedure when binding an fbobject) |
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j2d_glBindTexture(GL_TEXTURE_2D, 0); |
|
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j2d_glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, dstOps->fbobjectID); |
|
269 |
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270 |
return oglc; |
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271 |
} |
|
272 |
||
273 |
JNF_COCOA_ENTER(env); |
|
274 |
||
275 |
// set the current surface |
|
276 |
if (dstOps->drawableType == OGLSD_PBUFFER) { |
|
277 |
// REMIND: pbuffers are not fully tested yet... |
|
278 |
[ctxinfo->context clearDrawable]; |
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279 |
[ctxinfo->context makeCurrentContext]; |
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280 |
[ctxinfo->context setPixelBuffer: dstCGLOps->pbuffer |
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281 |
cubeMapFace: 0 |
|
282 |
mipMapLevel: 0 |
|
283 |
currentVirtualScreen: [ctxinfo->context currentVirtualScreen]]; |
|
284 |
} else { |
|
285 |
CGLSDOps *cglsdo = (CGLSDOps *)dstOps->privOps; |
|
286 |
NSView *nsView = (NSView *)cglsdo->peerData; |
|
287 |
||
288 |
if ([ctxinfo->context view] != nsView) { |
|
289 |
[ctxinfo->context makeCurrentContext]; |
|
290 |
[ctxinfo->context setView: nsView]; |
|
291 |
} |
|
292 |
} |
|
293 |
||
294 |
if (OGLC_IS_CAP_PRESENT(oglc, CAPS_EXT_FBOBJECT)) { |
|
295 |
// the GL_EXT_framebuffer_object extension is present, so we |
|
296 |
// must bind to the default (windowing system provided) |
|
297 |
// framebuffer |
|
298 |
j2d_glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
|
299 |
} |
|
300 |
||
301 |
if ((srcOps != dstOps) && (srcOps->drawableType == OGLSD_PBUFFER)) { |
|
302 |
// bind pbuffer to the render texture object (since we are preparing |
|
303 |
// to copy from the pbuffer) |
|
304 |
CGLSDOps *srcCGLOps = (CGLSDOps *)srcOps->privOps; |
|
305 |
j2d_glBindTexture(GL_TEXTURE_2D, srcOps->textureID); |
|
306 |
[ctxinfo->context |
|
307 |
setTextureImageToPixelBuffer: srcCGLOps->pbuffer |
|
308 |
colorBuffer: GL_FRONT]; |
|
309 |
} |
|
310 |
||
311 |
JNF_COCOA_EXIT(env); |
|
312 |
||
313 |
return oglc; |
|
314 |
} |
|
315 |
||
316 |
/** |
|
317 |
* This function initializes a native window surface and caches the window |
|
318 |
* bounds in the given OGLSDOps. Returns JNI_TRUE if the operation was |
|
319 |
* successful; JNI_FALSE otherwise. |
|
320 |
*/ |
|
321 |
jboolean |
|
322 |
OGLSD_InitOGLWindow(JNIEnv *env, OGLSDOps *oglsdo) |
|
323 |
{ |
|
324 |
J2dTraceLn(J2D_TRACE_INFO, "OGLSD_InitOGLWindow"); |
|
325 |
||
326 |
if (oglsdo == NULL) { |
|
327 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_InitOGLWindow: ops are null"); |
|
328 |
return JNI_FALSE; |
|
329 |
} |
|
330 |
||
331 |
CGLSDOps *cglsdo = (CGLSDOps *)oglsdo->privOps; |
|
332 |
if (cglsdo == NULL) { |
|
333 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_InitOGLWindow: cgl ops are null"); |
|
334 |
return JNI_FALSE; |
|
335 |
} |
|
336 |
||
337 |
AWTView *v = cglsdo->peerData; |
|
338 |
if (v == NULL) { |
|
339 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "OGLSD_InitOGLWindow: view is invalid"); |
|
340 |
return JNI_FALSE; |
|
341 |
} |
|
342 |
||
343 |
JNF_COCOA_ENTER(env); |
|
344 |
NSRect surfaceBounds = [v bounds]; |
|
345 |
oglsdo->drawableType = OGLSD_WINDOW; |
|
346 |
oglsdo->isOpaque = JNI_TRUE; |
|
347 |
oglsdo->width = surfaceBounds.size.width; |
|
348 |
oglsdo->height = surfaceBounds.size.height; |
|
349 |
JNF_COCOA_EXIT(env); |
|
350 |
||
351 |
J2dTraceLn2(J2D_TRACE_VERBOSE, " created window: w=%d h=%d", oglsdo->width, oglsdo->height); |
|
352 |
||
353 |
return JNI_TRUE; |
|
354 |
} |
|
355 |
||
356 |
void |
|
357 |
OGLSD_SwapBuffers(JNIEnv *env, jlong pPeerData) |
|
358 |
{ |
|
359 |
J2dTraceLn(J2D_TRACE_INFO, "OGLSD_SwapBuffers"); |
|
360 |
||
361 |
JNF_COCOA_ENTER(env); |
|
362 |
[[NSOpenGLContext currentContext] flushBuffer]; |
|
363 |
JNF_COCOA_EXIT(env); |
|
364 |
} |
|
365 |
||
366 |
void |
|
367 |
OGLSD_Flush(JNIEnv *env) |
|
368 |
{ |
|
369 |
OGLSDOps *dstOps = OGLRenderQueue_GetCurrentDestination(); |
|
370 |
if (dstOps != NULL) { |
|
371 |
CGLSDOps *dstCGLOps = (CGLSDOps *)dstOps->privOps; |
|
372 |
CGLLayer *layer = (CGLLayer*)dstCGLOps->layer; |
|
373 |
if (layer != NULL) { |
|
374 |
[JNFRunLoop performOnMainThreadWaiting:NO withBlock:^(){ |
|
375 |
AWT_ASSERT_APPKIT_THREAD; |
|
376 |
[layer setNeedsDisplay]; |
|
377 |
||
378 |
#ifdef REMOTELAYER |
|
379 |
/* If there's a remote layer (being used for testing) |
|
380 |
* then we want to have that also receive the texture. |
|
381 |
* First sync. up its dimensions with that of the layer |
|
382 |
* we have attached to the local window and tell it that |
|
383 |
* it also needs to copy the texture. |
|
384 |
*/ |
|
385 |
if (layer.remoteLayer != nil) { |
|
386 |
CGLLayer* remoteLayer = layer.remoteLayer; |
|
387 |
remoteLayer.target = GL_TEXTURE_2D; |
|
388 |
remoteLayer.textureID = layer.textureID; |
|
389 |
remoteLayer.textureWidth = layer.textureWidth; |
|
390 |
remoteLayer.textureHeight = layer.textureHeight; |
|
391 |
[remoteLayer setNeedsDisplay]; |
|
392 |
} |
|
393 |
#endif /* REMOTELAYER */ |
|
394 |
}]; |
|
395 |
} |
|
396 |
} |
|
397 |
} |
|
398 |
||
399 |
#pragma mark - |
|
400 |
#pragma mark "--- CGLSurfaceData methods ---" |
|
401 |
||
402 |
extern LockFunc OGLSD_Lock; |
|
403 |
extern GetRasInfoFunc OGLSD_GetRasInfo; |
|
404 |
extern UnlockFunc OGLSD_Unlock; |
|
405 |
extern DisposeFunc OGLSD_Dispose; |
|
406 |
||
407 |
JNIEXPORT void JNICALL |
|
408 |
Java_sun_java2d_opengl_CGLSurfaceData_initOps |
|
409 |
(JNIEnv *env, jobject cglsd, |
|
410 |
jlong pConfigInfo, jlong pPeerData, jlong layerPtr, |
|
411 |
jint xoff, jint yoff, jboolean isOpaque) |
|
412 |
{ |
|
413 |
J2dTraceLn(J2D_TRACE_INFO, "CGLSurfaceData_initOps"); |
|
414 |
J2dTraceLn1(J2D_TRACE_INFO, " pPeerData=%p", jlong_to_ptr(pPeerData)); |
|
415 |
J2dTraceLn2(J2D_TRACE_INFO, " xoff=%d, yoff=%d", (int)xoff, (int)yoff); |
|
416 |
||
417 |
OGLSDOps *oglsdo = (OGLSDOps *) |
|
418 |
SurfaceData_InitOps(env, cglsd, sizeof(OGLSDOps)); |
|
419 |
CGLSDOps *cglsdo = (CGLSDOps *)malloc(sizeof(CGLSDOps)); |
|
420 |
if (cglsdo == NULL) { |
|
421 |
JNU_ThrowOutOfMemoryError(env, "creating native cgl ops"); |
|
422 |
return; |
|
423 |
} |
|
424 |
||
425 |
oglsdo->privOps = cglsdo; |
|
426 |
||
427 |
oglsdo->sdOps.Lock = OGLSD_Lock; |
|
428 |
oglsdo->sdOps.GetRasInfo = OGLSD_GetRasInfo; |
|
429 |
oglsdo->sdOps.Unlock = OGLSD_Unlock; |
|
430 |
oglsdo->sdOps.Dispose = OGLSD_Dispose; |
|
431 |
||
432 |
oglsdo->drawableType = OGLSD_UNDEFINED; |
|
433 |
oglsdo->activeBuffer = GL_FRONT; |
|
434 |
oglsdo->needsInit = JNI_TRUE; |
|
435 |
oglsdo->xOffset = xoff; |
|
436 |
oglsdo->yOffset = yoff; |
|
437 |
oglsdo->isOpaque = isOpaque; |
|
438 |
||
439 |
cglsdo->peerData = (AWTView *)jlong_to_ptr(pPeerData); |
|
440 |
cglsdo->layer = (CGLLayer *)jlong_to_ptr(layerPtr); |
|
441 |
cglsdo->configInfo = (CGLGraphicsConfigInfo *)jlong_to_ptr(pConfigInfo); |
|
442 |
||
443 |
if (cglsdo->configInfo == NULL) { |
|
444 |
free(cglsdo); |
|
445 |
JNU_ThrowNullPointerException(env, "Config info is null in initOps"); |
|
446 |
} |
|
447 |
} |
|
448 |
||
449 |
JNIEXPORT void JNICALL |
|
450 |
Java_sun_java2d_opengl_CGLSurfaceData_clearWindow |
|
451 |
(JNIEnv *env, jobject cglsd) |
|
452 |
{ |
|
453 |
J2dTraceLn(J2D_TRACE_INFO, "CGLSurfaceData_clearWindow"); |
|
454 |
||
455 |
OGLSDOps *oglsdo = (OGLSDOps*) SurfaceData_GetOps(env, cglsd); |
|
456 |
CGLSDOps *cglsdo = (CGLSDOps*) oglsdo->privOps; |
|
457 |
||
458 |
cglsdo->peerData = NULL; |
|
459 |
cglsdo->layer = NULL; |
|
460 |
} |
|
461 |
||
462 |
JNIEXPORT jboolean JNICALL |
|
463 |
Java_sun_java2d_opengl_CGLSurfaceData_initPbuffer |
|
464 |
(JNIEnv *env, jobject cglsd, |
|
465 |
jlong pData, jlong pConfigInfo, jboolean isOpaque, |
|
466 |
jint width, jint height) |
|
467 |
{ |
|
468 |
J2dTraceLn3(J2D_TRACE_INFO, "CGLSurfaceData_initPbuffer: w=%d h=%d opq=%d", width, height, isOpaque); |
|
469 |
||
470 |
OGLSDOps *oglsdo = (OGLSDOps *)jlong_to_ptr(pData); |
|
471 |
if (oglsdo == NULL) { |
|
472 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLSurfaceData_initPbuffer: ops are null"); |
|
473 |
return JNI_FALSE; |
|
474 |
} |
|
475 |
||
476 |
CGLSDOps *cglsdo = (CGLSDOps *)oglsdo->privOps; |
|
477 |
if (cglsdo == NULL) { |
|
478 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLSurfaceData_initPbuffer: cgl ops are null"); |
|
479 |
return JNI_FALSE; |
|
480 |
} |
|
481 |
||
482 |
CGLGraphicsConfigInfo *cglInfo = (CGLGraphicsConfigInfo *) |
|
483 |
jlong_to_ptr(pConfigInfo); |
|
484 |
if (cglInfo == NULL) { |
|
485 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLSurfaceData_initPbuffer: cgl config info is null"); |
|
486 |
return JNI_FALSE; |
|
487 |
} |
|
488 |
||
489 |
// find the maximum allowable texture dimensions (this value ultimately |
|
490 |
// determines our maximum pbuffer size) |
|
491 |
int pbMax = 0; |
|
492 |
j2d_glGetIntegerv(GL_MAX_TEXTURE_SIZE, &pbMax); |
|
493 |
||
494 |
int pbWidth = 0; |
|
495 |
int pbHeight = 0; |
|
496 |
if (OGLC_IS_CAP_PRESENT(cglInfo->context, CAPS_TEXNONPOW2)) { |
|
497 |
// use non-power-of-two dimensions directly |
|
498 |
pbWidth = (width <= pbMax) ? width : 0; |
|
499 |
pbHeight = (height <= pbMax) ? height : 0; |
|
500 |
} else { |
|
501 |
// find the appropriate power-of-two dimensions |
|
502 |
pbWidth = OGLSD_NextPowerOfTwo(width, pbMax); |
|
503 |
pbHeight = OGLSD_NextPowerOfTwo(height, pbMax); |
|
504 |
} |
|
505 |
||
506 |
J2dTraceLn3(J2D_TRACE_VERBOSE, " desired pbuffer dimensions: w=%d h=%d max=%d", pbWidth, pbHeight, pbMax); |
|
507 |
||
508 |
// if either dimension is 0, we cannot allocate a pbuffer/texture with the |
|
509 |
// requested dimensions |
|
510 |
if (pbWidth == 0 || pbHeight == 0) { |
|
511 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLSurfaceData_initPbuffer: dimensions too large"); |
|
512 |
return JNI_FALSE; |
|
513 |
} |
|
514 |
||
515 |
int format = isOpaque ? GL_RGB : GL_RGBA; |
|
516 |
||
517 |
JNF_COCOA_ENTER(env); |
|
518 |
||
519 |
cglsdo->pbuffer = |
|
520 |
[[NSOpenGLPixelBuffer alloc] |
|
521 |
initWithTextureTarget: GL_TEXTURE_2D |
|
522 |
textureInternalFormat: format |
|
523 |
textureMaxMipMapLevel: 0 |
|
524 |
pixelsWide: pbWidth |
|
525 |
pixelsHigh: pbHeight]; |
|
526 |
if (cglsdo->pbuffer == nil) { |
|
527 |
J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLSurfaceData_initPbuffer: could not create pbuffer"); |
|
528 |
return JNI_FALSE; |
|
529 |
} |
|
530 |
||
531 |
// make sure the actual dimensions match those that we requested |
|
532 |
GLsizei actualWidth = [cglsdo->pbuffer pixelsWide]; |
|
533 |
GLsizei actualHeight = [cglsdo->pbuffer pixelsHigh]; |
|
534 |
if (actualWidth != pbWidth || actualHeight != pbHeight) { |
|
535 |
J2dRlsTraceLn2(J2D_TRACE_ERROR, "CGLSurfaceData_initPbuffer: actual (w=%d h=%d) != requested", actualWidth, actualHeight); |
|
536 |
[cglsdo->pbuffer release]; |
|
537 |
return JNI_FALSE; |
|
538 |
} |
|
539 |
||
540 |
GLuint texID = 0; |
|
541 |
j2d_glGenTextures(1, &texID); |
|
542 |
j2d_glBindTexture(GL_TEXTURE_2D, texID); |
|
543 |
||
544 |
oglsdo->drawableType = OGLSD_PBUFFER; |
|
545 |
oglsdo->isOpaque = isOpaque; |
|
546 |
oglsdo->width = width; |
|
547 |
oglsdo->height = height; |
|
548 |
oglsdo->textureID = texID; |
|
549 |
oglsdo->textureWidth = pbWidth; |
|
550 |
oglsdo->textureHeight = pbHeight; |
|
551 |
oglsdo->activeBuffer = GL_FRONT; |
|
552 |
oglsdo->needsInit = JNI_TRUE; |
|
553 |
||
554 |
OGLSD_INIT_TEXTURE_FILTER(oglsdo, GL_NEAREST); |
|
555 |
||
556 |
JNF_COCOA_EXIT(env); |
|
557 |
||
558 |
return JNI_TRUE; |
|
559 |
} |
|
560 |
||
561 |
#pragma mark - |
|
562 |
#pragma mark "--- CGLSurfaceData methods - Mac OS X specific ---" |
|
563 |
||
564 |
// Must be called on the QFT... |
|
565 |
JNIEXPORT void JNICALL |
|
566 |
Java_sun_java2d_opengl_CGLSurfaceData_validate |
|
567 |
(JNIEnv *env, jobject jsurfacedata, |
|
568 |
jint xoff, jint yoff, jint width, jint height, jboolean isOpaque) |
|
569 |
{ |
|
570 |
J2dTraceLn2(J2D_TRACE_INFO, "CGLSurfaceData_validate: w=%d h=%d", width, height); |
|
571 |
||
572 |
OGLSDOps *oglsdo = (OGLSDOps*)SurfaceData_GetOps(env, jsurfacedata); |
|
573 |
oglsdo->needsInit = JNI_TRUE; |
|
574 |
oglsdo->xOffset = xoff; |
|
575 |
oglsdo->yOffset = yoff; |
|
576 |
||
577 |
oglsdo->width = width; |
|
578 |
oglsdo->height = height; |
|
579 |
oglsdo->isOpaque = isOpaque; |
|
580 |
||
581 |
if (oglsdo->drawableType == OGLSD_WINDOW) { |
|
582 |
OGLContext_SetSurfaces(env, ptr_to_jlong(oglsdo), ptr_to_jlong(oglsdo)); |
|
583 |
||
584 |
// we have to explicitly tell the NSOpenGLContext that its target |
|
585 |
// drawable has changed size |
|
586 |
CGLSDOps *cglsdo = (CGLSDOps *)oglsdo->privOps; |
|
587 |
OGLContext *oglc = cglsdo->configInfo->context; |
|
588 |
CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo; |
|
589 |
||
590 |
JNF_COCOA_ENTER(env); |
|
591 |
[ctxinfo->context update]; |
|
592 |
JNF_COCOA_EXIT(env); |
|
593 |
} |
|
594 |
} |