author | ohair |
Wed, 06 Apr 2011 22:06:11 -0700 | |
changeset 9035 | 1255eb81cc2f |
parent 7752 | bac6e958f08e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2010, 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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#include <jni.h> |
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#include <jlong.h> |
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#include <jni_util.h> |
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#include "sun_java2d_pipe_BufferedMaskBlit.h" |
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#include "sun_java2d_pipe_BufferedOpCodes.h" |
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#include "Trace.h" |
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#include "GraphicsPrimitiveMgr.h" |
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#include "IntArgb.h" |
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#include "IntRgb.h" |
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#include "IntBgr.h" |
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#define MAX_MASK_LENGTH (32 * 32) |
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extern unsigned char mul8table[256][256]; |
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/** |
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* This implementation of MaskBlit first combines the source system memory |
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* tile with the corresponding alpha mask and stores the resulting |
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* IntArgbPre pixels directly into the RenderBuffer. Those pixels are |
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* then eventually pulled off the RenderBuffer and copied to the destination |
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* surface in OGL/D3DMaskBlit. |
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* |
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* Note that currently there are only inner loops defined for IntArgb, |
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* IntArgbPre, IntRgb, and IntBgr, as those are the most commonly used |
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* formats for this operation. |
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*/ |
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JNIEXPORT jint JNICALL |
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Java_sun_java2d_pipe_BufferedMaskBlit_enqueueTile |
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(JNIEnv *env, jobject mb, |
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jlong buf, jint bpos, |
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jobject srcData, jlong pSrcOps, jint srcType, |
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jbyteArray maskArray, jint masklen, jint maskoff, jint maskscan, |
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jint srcx, jint srcy, jint dstx, jint dsty, |
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jint width, jint height) |
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{ |
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SurfaceDataOps *srcOps = (SurfaceDataOps *)jlong_to_ptr(pSrcOps); |
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SurfaceDataRasInfo srcInfo; |
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unsigned char *bbuf; |
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jint *pBuf; |
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J2dTraceLn1(J2D_TRACE_INFO, |
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"BufferedMaskBlit_enqueueTile: bpos=%d", |
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bpos); |
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if (srcOps == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"BufferedMaskBlit_enqueueTile: srcOps is null"); |
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return bpos; |
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} |
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bbuf = (unsigned char *)jlong_to_ptr(buf); |
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if (bbuf == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"BufferedMaskBlit_enqueueTile: cannot get direct buffer address"); |
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return bpos; |
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} |
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pBuf = (jint *)(bbuf + bpos); |
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if (JNU_IsNull(env, maskArray)) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"BufferedMaskBlit_enqueueTile: mask array is null"); |
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return bpos; |
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} |
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if (masklen > MAX_MASK_LENGTH) { |
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// REMIND: this approach is seriously flawed if the mask |
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// length is ever greater than MAX_MASK_LENGTH (won't fit |
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// into the cached mask tile); so far this hasn't |
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// been a problem though... |
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J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"BufferedMaskBlit_enqueueTile: mask array too large"); |
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return bpos; |
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} |
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srcInfo.bounds.x1 = srcx; |
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srcInfo.bounds.y1 = srcy; |
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srcInfo.bounds.x2 = srcx + width; |
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srcInfo.bounds.y2 = srcy + height; |
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if (srcOps->Lock(env, srcOps, &srcInfo, SD_LOCK_READ) != SD_SUCCESS) { |
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J2dRlsTraceLn(J2D_TRACE_WARNING, |
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"BufferedMaskBlit_enqueueTile: could not acquire lock"); |
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return bpos; |
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} |
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if (srcInfo.bounds.x2 > srcInfo.bounds.x1 && |
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srcInfo.bounds.y2 > srcInfo.bounds.y1) |
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{ |
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srcOps->GetRasInfo(env, srcOps, &srcInfo); |
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if (srcInfo.rasBase) { |
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jint h; |
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jint srcScanStride = srcInfo.scanStride; |
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jint srcPixelStride = srcInfo.pixelStride; |
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jint *pSrc = (jint *) |
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PtrCoord(srcInfo.rasBase, |
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srcInfo.bounds.x1, srcInfo.pixelStride, |
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srcInfo.bounds.y1, srcInfo.scanStride); |
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unsigned char *pMask, *pMaskAlloc; |
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pMask = pMaskAlloc = |
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(*env)->GetPrimitiveArrayCritical(env, maskArray, 0); |
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if (pMask == NULL) { |
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J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"BufferedMaskBlit_enqueueTile: cannot lock mask array"); |
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SurfaceData_InvokeRelease(env, srcOps, &srcInfo); |
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SurfaceData_InvokeUnlock(env, srcOps, &srcInfo); |
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return bpos; |
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} |
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width = srcInfo.bounds.x2 - srcInfo.bounds.x1; |
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height = srcInfo.bounds.y2 - srcInfo.bounds.y1; |
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maskoff += ((srcInfo.bounds.y1 - srcy) * maskscan + |
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(srcInfo.bounds.x1 - srcx)); |
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maskscan -= width; |
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pMask += maskoff; |
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srcScanStride -= width * srcPixelStride; |
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h = height; |
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J2dTraceLn4(J2D_TRACE_VERBOSE, |
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" sx=%d sy=%d w=%d h=%d", |
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srcInfo.bounds.x1, srcInfo.bounds.y1, width, height); |
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J2dTraceLn2(J2D_TRACE_VERBOSE, |
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" maskoff=%d maskscan=%d", |
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maskoff, maskscan); |
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J2dTraceLn2(J2D_TRACE_VERBOSE, |
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" pixstride=%d scanstride=%d", |
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srcPixelStride, srcScanStride); |
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// enqueue parameters |
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pBuf[0] = sun_java2d_pipe_BufferedOpCodes_MASK_BLIT; |
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pBuf[1] = dstx; |
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pBuf[2] = dsty; |
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pBuf[3] = width; |
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pBuf[4] = height; |
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pBuf += 5; |
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bpos += 5 * sizeof(jint); |
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// apply alpha values from mask to the source tile, and store |
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// resulting IntArgbPre pixels into RenderBuffer (there are |
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// separate inner loops for the most common source formats) |
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switch (srcType) { |
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case sun_java2d_pipe_BufferedMaskBlit_ST_INT_ARGB: |
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do { |
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jint w = width; |
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do { |
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jint pathA = *pMask++; |
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if (!pathA) { |
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pBuf[0] = 0; |
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} else { |
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jint pixel = pSrc[0]; |
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if (pathA == 0xff && (pixel >> 24) + 1 == 0) { |
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pBuf[0] = pixel; |
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} else { |
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jint r, g, b, a; |
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ExtractIntDcmComponents1234(pixel, a, r, g, b); |
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a = MUL8(pathA, a); |
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r = MUL8(a, r); |
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g = MUL8(a, g); |
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b = MUL8(a, b); |
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pBuf[0] = (a << 24) | (r << 16) | (g << 8) | b; |
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} |
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} |
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pSrc = PtrAddBytes(pSrc, srcPixelStride); |
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pBuf++; |
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} while (--w > 0); |
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pSrc = PtrAddBytes(pSrc, srcScanStride); |
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pMask = PtrAddBytes(pMask, maskscan); |
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} while (--h > 0); |
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break; |
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case sun_java2d_pipe_BufferedMaskBlit_ST_INT_ARGB_PRE: |
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do { |
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jint w = width; |
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do { |
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jint pathA = *pMask++; |
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if (!pathA) { |
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pBuf[0] = 0; |
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} else if (pathA == 0xff) { |
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pBuf[0] = pSrc[0]; |
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} else { |
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jint r, g, b, a; |
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a = MUL8(pathA, (pSrc[0] >> 24) & 0xff); |
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r = MUL8(pathA, (pSrc[0] >> 16) & 0xff); |
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g = MUL8(pathA, (pSrc[0] >> 8) & 0xff); |
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b = MUL8(pathA, (pSrc[0] >> 0) & 0xff); |
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pBuf[0] = (a << 24) | (r << 16) | (g << 8) | b; |
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} |
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pSrc = PtrAddBytes(pSrc, srcPixelStride); |
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pBuf++; |
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} while (--w > 0); |
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pSrc = PtrAddBytes(pSrc, srcScanStride); |
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pMask = PtrAddBytes(pMask, maskscan); |
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} while (--h > 0); |
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break; |
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case sun_java2d_pipe_BufferedMaskBlit_ST_INT_RGB: |
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do { |
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jint w = width; |
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do { |
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jint pathA = *pMask++; |
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if (!pathA) { |
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pBuf[0] = 0; |
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} else if (pathA == 0xff) { |
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pBuf[0] = pSrc[0] | 0xff000000; |
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} else { |
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jint r, g, b, a; |
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LoadIntRgbTo3ByteRgb(pSrc, c, 0, r, g, b); |
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a = pathA; |
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r = MUL8(a, r); |
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g = MUL8(a, g); |
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b = MUL8(a, b); |
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pBuf[0] = (a << 24) | (r << 16) | (g << 8) | b; |
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} |
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pSrc = PtrAddBytes(pSrc, srcPixelStride); |
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pBuf++; |
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} while (--w > 0); |
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pSrc = PtrAddBytes(pSrc, srcScanStride); |
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pMask = PtrAddBytes(pMask, maskscan); |
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} while (--h > 0); |
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break; |
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case sun_java2d_pipe_BufferedMaskBlit_ST_INT_BGR: |
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do { |
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jint w = width; |
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do { |
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jint pathA = *pMask++; |
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if (!pathA) { |
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pBuf[0] = 0; |
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} else { |
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jint r, g, b, a; |
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LoadIntBgrTo3ByteRgb(pSrc, c, 0, r, g, b); |
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a = pathA; |
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r = MUL8(a, r); |
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g = MUL8(a, g); |
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b = MUL8(a, b); |
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pBuf[0] = (a << 24) | (r << 16) | (g << 8) | b; |
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} |
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pSrc = PtrAddBytes(pSrc, srcPixelStride); |
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pBuf++; |
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} while (--w > 0); |
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pSrc = PtrAddBytes(pSrc, srcScanStride); |
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pMask = PtrAddBytes(pMask, maskscan); |
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} while (--h > 0); |
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break; |
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default: |
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// should not get here, just no-op... |
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break; |
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} |
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// increment current byte position |
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bpos += width * height * sizeof(jint); |
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(*env)->ReleasePrimitiveArrayCritical(env, maskArray, |
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pMaskAlloc, JNI_ABORT); |
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} |
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SurfaceData_InvokeRelease(env, srcOps, &srcInfo); |
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} |
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SurfaceData_InvokeUnlock(env, srcOps, &srcInfo); |
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// return the current byte position |
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return bpos; |
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} |