author | lbourges |
Wed, 15 Jun 2016 21:43:39 +0200 | |
changeset 39519 | 21bfc4452441 |
parent 36457 | 2daf75025304 |
child 40421 | d5ee65e2b0fb |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2016, 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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package sun.java2d.marlin; |
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import java.util.Arrays; |
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import sun.awt.geom.PathConsumer2D; |
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import static sun.java2d.marlin.OffHeapArray.SIZE_INT; |
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import jdk.internal.misc.Unsafe; |
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final class Renderer implements PathConsumer2D, MarlinConst { |
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static final boolean DISABLE_RENDER = false; |
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static final boolean ENABLE_BLOCK_FLAGS = MarlinProperties.isUseTileFlags(); |
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static final boolean ENABLE_BLOCK_FLAGS_HEURISTICS = MarlinProperties.isUseTileFlagsWithHeuristics(); |
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private static final int ALL_BUT_LSB = 0xfffffffe; |
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private static final int ERR_STEP_MAX = 0x7fffffff; // = 2^31 - 1 |
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private static final double POWER_2_TO_32 = 0x1.0p32; |
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// use float to make tosubpix methods faster (no int to float conversion) |
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public static final float f_SUBPIXEL_POSITIONS_X |
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= (float) SUBPIXEL_POSITIONS_X; |
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public static final float f_SUBPIXEL_POSITIONS_Y |
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= (float) SUBPIXEL_POSITIONS_Y; |
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public static final int SUBPIXEL_MASK_X = SUBPIXEL_POSITIONS_X - 1; |
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public static final int SUBPIXEL_MASK_Y = SUBPIXEL_POSITIONS_Y - 1; |
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// number of subpixels corresponding to a tile line |
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private static final int SUBPIXEL_TILE |
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= TILE_SIZE << SUBPIXEL_LG_POSITIONS_Y; |
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// 2048 (pixelSize) pixels (height) x 8 subpixels = 64K |
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static final int INITIAL_BUCKET_ARRAY |
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= INITIAL_PIXEL_DIM * SUBPIXEL_POSITIONS_Y; |
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public static final int WIND_EVEN_ODD = 0; |
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public static final int WIND_NON_ZERO = 1; |
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// common to all types of input path segments. |
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// OFFSET as bytes |
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// only integer values: |
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public static final long OFF_CURX_OR = 0; |
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public static final long OFF_ERROR = OFF_CURX_OR + SIZE_INT; |
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public static final long OFF_BUMP_X = OFF_ERROR + SIZE_INT; |
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public static final long OFF_BUMP_ERR = OFF_BUMP_X + SIZE_INT; |
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public static final long OFF_NEXT = OFF_BUMP_ERR + SIZE_INT; |
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public static final long OFF_YMAX = OFF_NEXT + SIZE_INT; |
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// size of one edge in bytes |
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public static final int SIZEOF_EDGE_BYTES = (int)(OFF_YMAX + SIZE_INT); |
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// curve break into lines |
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// cubic error in subpixels to decrement step |
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private static final float CUB_DEC_ERR_SUBPIX |
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= 2.5f * (NORM_SUBPIXELS / 8f); // 2.5 subpixel for typical 8x8 subpixels |
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// cubic error in subpixels to increment step |
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private static final float CUB_INC_ERR_SUBPIX |
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= 1f * (NORM_SUBPIXELS / 8f); // 1 subpixel for typical 8x8 subpixels |
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// cubic bind length to decrement step = 8 * error in subpixels |
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// pisces: 20 / 8 |
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// openjfx pisces: 8 / 3.2 |
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// multiply by 8 = error scale factor: |
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public static final float CUB_DEC_BND |
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= 8f * CUB_DEC_ERR_SUBPIX; // 20f means 2.5 subpixel error |
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// cubic bind length to increment step = 8 * error in subpixels |
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public static final float CUB_INC_BND |
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= 8f * CUB_INC_ERR_SUBPIX; // 8f means 1 subpixel error |
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// cubic countlg |
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public static final int CUB_COUNT_LG = 2; |
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// cubic count = 2^countlg |
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private static final int CUB_COUNT = 1 << CUB_COUNT_LG; |
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// cubic count^2 = 4^countlg |
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private static final int CUB_COUNT_2 = 1 << (2 * CUB_COUNT_LG); |
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// cubic count^3 = 8^countlg |
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private static final int CUB_COUNT_3 = 1 << (3 * CUB_COUNT_LG); |
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// cubic dt = 1 / count |
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private static final float CUB_INV_COUNT = 1f / CUB_COUNT; |
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// cubic dt^2 = 1 / count^2 = 1 / 4^countlg |
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private static final float CUB_INV_COUNT_2 = 1f / CUB_COUNT_2; |
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// cubic dt^3 = 1 / count^3 = 1 / 8^countlg |
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private static final float CUB_INV_COUNT_3 = 1f / CUB_COUNT_3; |
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// quad break into lines |
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// quadratic error in subpixels |
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private static final float QUAD_DEC_ERR_SUBPIX |
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= 1f * (NORM_SUBPIXELS / 8f); // 1 subpixel for typical 8x8 subpixels |
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// quadratic bind length to decrement step = 8 * error in subpixels |
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// pisces and openjfx pisces: 32 |
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public static final float QUAD_DEC_BND |
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= 8f * QUAD_DEC_ERR_SUBPIX; // 8f means 1 subpixel error |
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////////////////////////////////////////////////////////////////////////////// |
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// SCAN LINE |
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////////////////////////////////////////////////////////////////////////////// |
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// crossings ie subpixel edge x coordinates |
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private int[] crossings; |
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// auxiliary storage for crossings (merge sort) |
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private int[] aux_crossings; |
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// indices into the segment pointer lists. They indicate the "active" |
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// sublist in the segment lists (the portion of the list that contains |
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// all the segments that cross the next scan line). |
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private int edgeCount; |
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private int[] edgePtrs; |
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// auxiliary storage for edge pointers (merge sort) |
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private int[] aux_edgePtrs; |
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// max used for both edgePtrs and crossings (stats only) |
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private int activeEdgeMaxUsed; |
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// per-thread initial arrays (large enough to satisfy most usages) (1024) |
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private final int[] crossings_initial = new int[INITIAL_SMALL_ARRAY]; // 4K |
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// +1 to avoid recycling in Helpers.widenArray() |
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private final int[] edgePtrs_initial = new int[INITIAL_SMALL_ARRAY + 1]; // 4K |
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// merge sort initial arrays (large enough to satisfy most usages) (1024) |
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private final int[] aux_crossings_initial = new int[INITIAL_SMALL_ARRAY]; // 4K |
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// +1 to avoid recycling in Helpers.widenArray() |
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private final int[] aux_edgePtrs_initial = new int[INITIAL_SMALL_ARRAY + 1]; // 4K |
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////////////////////////////////////////////////////////////////////////////// |
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// EDGE LIST |
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////////////////////////////////////////////////////////////////////////////// |
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private int edgeMinY = Integer.MAX_VALUE; |
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private int edgeMaxY = Integer.MIN_VALUE; |
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private float edgeMinX = Float.POSITIVE_INFINITY; |
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private float edgeMaxX = Float.NEGATIVE_INFINITY; |
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// edges [floats|ints] stored in off-heap memory |
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private final OffHeapArray edges; |
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private int[] edgeBuckets; |
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private int[] edgeBucketCounts; // 2*newedges + (1 if pruning needed) |
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// used range for edgeBuckets / edgeBucketCounts |
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private int buckets_minY; |
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private int buckets_maxY; |
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// sum of each edge delta Y (subpixels) |
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private int edgeSumDeltaY; |
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// +1 to avoid recycling in Helpers.widenArray() |
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private final int[] edgeBuckets_initial |
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= new int[INITIAL_BUCKET_ARRAY + 1]; // 64K |
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private final int[] edgeBucketCounts_initial |
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= new int[INITIAL_BUCKET_ARRAY + 1]; // 64K |
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// Flattens using adaptive forward differencing. This only carries out |
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// one iteration of the AFD loop. All it does is update AFD variables (i.e. |
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// X0, Y0, D*[X|Y], COUNT; not variables used for computing scanline crossings). |
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private void quadBreakIntoLinesAndAdd(float x0, float y0, |
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final Curve c, |
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final float x2, final float y2) |
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{ |
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int count = 1; // dt = 1 / count |
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// maximum(ddX|Y) = norm(dbx, dby) * dt^2 (= 1) |
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float maxDD = FloatMath.max(Math.abs(c.dbx), Math.abs(c.dby)); |
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final float _DEC_BND = QUAD_DEC_BND; |
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while (maxDD >= _DEC_BND) { |
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// divide step by half: |
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maxDD /= 4f; // error divided by 2^2 = 4 |
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count <<= 1; |
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if (DO_STATS) { |
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rdrCtx.stats.stat_rdr_quadBreak_dec.add(count); |
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} |
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} |
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int nL = 0; // line count |
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if (count > 1) { |
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final float icount = 1f / count; // dt |
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final float icount2 = icount * icount; // dt^2 |
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final float ddx = c.dbx * icount2; |
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final float ddy = c.dby * icount2; |
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float dx = c.bx * icount2 + c.cx * icount; |
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float dy = c.by * icount2 + c.cy * icount; |
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float x1, y1; |
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while (--count > 0) { |
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x1 = x0 + dx; |
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dx += ddx; |
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y1 = y0 + dy; |
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dy += ddy; |
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addLine(x0, y0, x1, y1); |
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if (DO_STATS) { nL++; } |
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x0 = x1; |
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y0 = y1; |
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} |
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} |
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addLine(x0, y0, x2, y2); |
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if (DO_STATS) { |
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rdrCtx.stats.stat_rdr_quadBreak.add(nL + 1); |
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} |
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} |
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// x0, y0 and x3,y3 are the endpoints of the curve. We could compute these |
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// using c.xat(0),c.yat(0) and c.xat(1),c.yat(1), but this might introduce |
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// numerical errors, and our callers already have the exact values. |
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// Another alternative would be to pass all the control points, and call |
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// c.set here, but then too many numbers are passed around. |
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private void curveBreakIntoLinesAndAdd(float x0, float y0, |
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final Curve c, |
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final float x3, final float y3) |
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{ |
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int count = CUB_COUNT; |
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final float icount = CUB_INV_COUNT; // dt |
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final float icount2 = CUB_INV_COUNT_2; // dt^2 |
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final float icount3 = CUB_INV_COUNT_3; // dt^3 |
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// the dx and dy refer to forward differencing variables, not the last |
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// coefficients of the "points" polynomial |
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float dddx, dddy, ddx, ddy, dx, dy; |
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dddx = 2f * c.dax * icount3; |
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dddy = 2f * c.day * icount3; |
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ddx = dddx + c.dbx * icount2; |
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ddy = dddy + c.dby * icount2; |
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dx = c.ax * icount3 + c.bx * icount2 + c.cx * icount; |
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dy = c.ay * icount3 + c.by * icount2 + c.cy * icount; |
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// we use x0, y0 to walk the line |
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float x1 = x0, y1 = y0; |
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int nL = 0; // line count |
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final float _DEC_BND = CUB_DEC_BND; |
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final float _INC_BND = CUB_INC_BND; |
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while (count > 0) { |
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// divide step by half: |
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while (Math.abs(ddx) >= _DEC_BND || Math.abs(ddy) >= _DEC_BND) { |
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dddx /= 8f; |
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dddy /= 8f; |
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ddx = ddx/4f - dddx; |
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ddy = ddy/4f - dddy; |
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dx = (dx - ddx) / 2f; |
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dy = (dy - ddy) / 2f; |
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count <<= 1; |
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if (DO_STATS) { |
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rdrCtx.stats.stat_rdr_curveBreak_dec.add(count); |
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} |
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} |
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// double step: |
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// TODO: why use first derivative dX|Y instead of second ddX|Y ? |
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// both scale changes should use speed or acceleration to have the same metric. |
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// can only do this on even "count" values, because we must divide count by 2 |
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while (count % 2 == 0 |
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&& Math.abs(dx) <= _INC_BND && Math.abs(dy) <= _INC_BND) |
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{ |
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dx = 2f * dx + ddx; |
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dy = 2f * dy + ddy; |
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ddx = 4f * (ddx + dddx); |
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ddy = 4f * (ddy + dddy); |
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dddx *= 8f; |
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dddy *= 8f; |
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count >>= 1; |
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if (DO_STATS) { |
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rdrCtx.stats.stat_rdr_curveBreak_inc.add(count); |
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} |
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} |
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if (--count > 0) { |
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x1 += dx; |
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dx += ddx; |
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ddx += dddx; |
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y1 += dy; |
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dy += ddy; |
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ddy += dddy; |
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} else { |
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x1 = x3; |
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y1 = y3; |
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} |
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addLine(x0, y0, x1, y1); |
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if (DO_STATS) { nL++; } |
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x0 = x1; |
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y0 = y1; |
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} |
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if (DO_STATS) { |
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rdrCtx.stats.stat_rdr_curveBreak.add(nL); |
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} |
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} |
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private void addLine(float x1, float y1, float x2, float y2) { |
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if (DO_MONITORS) { |
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rdrCtx.stats.mon_rdr_addLine.start(); |
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} |
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if (DO_STATS) { |
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rdrCtx.stats.stat_rdr_addLine.add(1); |
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} |
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int or = 1; // orientation of the line. 1 if y increases, 0 otherwise. |
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if (y2 < y1) { |
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or = 0; |
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float tmp = y2; |
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y2 = y1; |
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y1 = tmp; |
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tmp = x2; |
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x2 = x1; |
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x1 = tmp; |
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} |
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// convert subpixel coordinates (float) into pixel positions (int) |
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// The index of the pixel that holds the next HPC is at ceil(trueY - 0.5) |
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// Since y1 and y2 are biased by -0.5 in tosubpixy(), this is simply |
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// ceil(y1) or ceil(y2) |
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// upper integer (inclusive) |
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final int firstCrossing = FloatMath.max(FloatMath.ceil_int(y1), boundsMinY); |
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// note: use boundsMaxY (last Y exclusive) to compute correct coverage |
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// upper integer (exclusive) |
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final int lastCrossing = FloatMath.min(FloatMath.ceil_int(y2), boundsMaxY); |
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/* skip horizontal lines in pixel space and clip edges |
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out of y range [boundsMinY; boundsMaxY] */ |
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if (firstCrossing >= lastCrossing) { |
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if (DO_MONITORS) { |
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rdrCtx.stats.mon_rdr_addLine.stop(); |
34417 | 354 |
} |
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355 |
if (DO_STATS) { |
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356 |
rdrCtx.stats.stat_rdr_addLine_skip.add(1); |
34417 | 357 |
} |
358 |
return; |
|
359 |
} |
|
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360 |
|
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361 |
// edge min/max X/Y are in subpixel space (inclusive) within bounds: |
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362 |
// note: Use integer crossings to ensure consistent range within |
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363 |
// edgeBuckets / edgeBucketCounts arrays in case of NaN values (int = 0) |
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364 |
if (firstCrossing < edgeMinY) { |
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365 |
edgeMinY = firstCrossing; |
34417 | 366 |
} |
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367 |
if (lastCrossing > edgeMaxY) { |
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368 |
edgeMaxY = lastCrossing; |
34417 | 369 |
} |
370 |
||
371 |
// Use double-precision for improved accuracy: |
|
372 |
final double x1d = x1; |
|
373 |
final double y1d = y1; |
|
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374 |
final double slope = (x1d - x2) / (y1d - y2); |
34417 | 375 |
|
376 |
if (slope >= 0.0) { // <==> x1 < x2 |
|
377 |
if (x1 < edgeMinX) { |
|
378 |
edgeMinX = x1; |
|
379 |
} |
|
380 |
if (x2 > edgeMaxX) { |
|
381 |
edgeMaxX = x2; |
|
382 |
} |
|
383 |
} else { |
|
384 |
if (x2 < edgeMinX) { |
|
385 |
edgeMinX = x2; |
|
386 |
} |
|
387 |
if (x1 > edgeMaxX) { |
|
388 |
edgeMaxX = x1; |
|
389 |
} |
|
390 |
} |
|
391 |
||
392 |
// local variables for performance: |
|
393 |
final int _SIZEOF_EDGE_BYTES = SIZEOF_EDGE_BYTES; |
|
394 |
||
395 |
final OffHeapArray _edges = edges; |
|
396 |
||
397 |
// get free pointer (ie length in bytes) |
|
398 |
final int edgePtr = _edges.used; |
|
399 |
||
400 |
// use substraction to avoid integer overflow: |
|
401 |
if (_edges.length - edgePtr < _SIZEOF_EDGE_BYTES) { |
|
402 |
// suppose _edges.length > _SIZEOF_EDGE_BYTES |
|
403 |
// so doubling size is enough to add needed bytes |
|
404 |
// note: throw IOOB if neededSize > 2Gb: |
|
405 |
final long edgeNewSize = ArrayCache.getNewLargeSize(_edges.length, |
|
406 |
edgePtr + _SIZEOF_EDGE_BYTES); |
|
407 |
||
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408 |
if (DO_STATS) { |
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|
409 |
rdrCtx.stats.stat_rdr_edges_resizes.add(edgeNewSize); |
34417 | 410 |
} |
411 |
_edges.resize(edgeNewSize); |
|
412 |
} |
|
413 |
||
414 |
||
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415 |
final Unsafe _unsafe = OffHeapArray.UNSAFE; |
34417 | 416 |
final long SIZE_INT = 4L; |
417 |
long addr = _edges.address + edgePtr; |
|
418 |
||
419 |
// The x value must be bumped up to its position at the next HPC we will evaluate. |
|
420 |
// "firstcrossing" is the (sub)pixel number where the next crossing occurs |
|
421 |
// thus, the actual coordinate of the next HPC is "firstcrossing + 0.5" |
|
422 |
// so the Y distance we cover is "firstcrossing + 0.5 - trueY". |
|
423 |
// Note that since y1 (and y2) are already biased by -0.5 in tosubpixy(), we have |
|
424 |
// y1 = trueY - 0.5 |
|
425 |
// trueY = y1 + 0.5 |
|
426 |
// firstcrossing + 0.5 - trueY = firstcrossing + 0.5 - (y1 + 0.5) |
|
427 |
// = firstcrossing - y1 |
|
428 |
// The x coordinate at that HPC is then: |
|
429 |
// x1_intercept = x1 + (firstcrossing - y1) * slope |
|
430 |
// The next VPC is then given by: |
|
431 |
// VPC index = ceil(x1_intercept - 0.5), or alternately |
|
432 |
// VPC index = floor(x1_intercept - 0.5 + 1 - epsilon) |
|
433 |
// epsilon is hard to pin down in floating point, but easy in fixed point, so if |
|
434 |
// we convert to fixed point then these operations get easier: |
|
435 |
// long x1_fixed = x1_intercept * 2^32; (fixed point 32.32 format) |
|
436 |
// curx = next VPC = fixed_floor(x1_fixed - 2^31 + 2^32 - 1) |
|
437 |
// = fixed_floor(x1_fixed + 2^31 - 1) |
|
438 |
// = fixed_floor(x1_fixed + 0x7fffffff) |
|
439 |
// and error = fixed_fract(x1_fixed + 0x7fffffff) |
|
440 |
final double x1_intercept = x1d + (firstCrossing - y1d) * slope; |
|
441 |
||
442 |
// inlined scalb(x1_intercept, 32): |
|
443 |
final long x1_fixed_biased = ((long) (POWER_2_TO_32 * x1_intercept)) |
|
444 |
+ 0x7fffffffL; |
|
445 |
// curx: |
|
446 |
// last bit corresponds to the orientation |
|
447 |
_unsafe.putInt(addr, (((int) (x1_fixed_biased >> 31L)) & ALL_BUT_LSB) | or); |
|
448 |
addr += SIZE_INT; |
|
449 |
_unsafe.putInt(addr, ((int) x1_fixed_biased) >>> 1); |
|
450 |
addr += SIZE_INT; |
|
451 |
||
452 |
// inlined scalb(slope, 32): |
|
453 |
final long slope_fixed = (long) (POWER_2_TO_32 * slope); |
|
454 |
||
455 |
// last bit set to 0 to keep orientation: |
|
456 |
_unsafe.putInt(addr, (((int) (slope_fixed >> 31L)) & ALL_BUT_LSB)); |
|
457 |
addr += SIZE_INT; |
|
458 |
_unsafe.putInt(addr, ((int) slope_fixed) >>> 1); |
|
459 |
addr += SIZE_INT; |
|
460 |
||
461 |
final int[] _edgeBuckets = edgeBuckets; |
|
462 |
final int[] _edgeBucketCounts = edgeBucketCounts; |
|
463 |
||
464 |
final int _boundsMinY = boundsMinY; |
|
465 |
||
466 |
// each bucket is a linked list. this method adds ptr to the |
|
467 |
// start of the "bucket"th linked list. |
|
468 |
final int bucketIdx = firstCrossing - _boundsMinY; |
|
469 |
||
470 |
// pointer from bucket |
|
471 |
_unsafe.putInt(addr, _edgeBuckets[bucketIdx]); |
|
472 |
addr += SIZE_INT; |
|
473 |
// y max (inclusive) |
|
474 |
_unsafe.putInt(addr, lastCrossing); |
|
475 |
||
476 |
// Update buckets: |
|
477 |
// directly the edge struct "pointer" |
|
478 |
_edgeBuckets[bucketIdx] = edgePtr; |
|
479 |
_edgeBucketCounts[bucketIdx] += 2; // 1 << 1 |
|
480 |
// last bit means edge end |
|
481 |
_edgeBucketCounts[lastCrossing - _boundsMinY] |= 0x1; |
|
482 |
||
483 |
// update sum of delta Y (subpixels): |
|
484 |
edgeSumDeltaY += (lastCrossing - firstCrossing); |
|
485 |
||
486 |
// update free pointer (ie length in bytes) |
|
487 |
_edges.used += _SIZEOF_EDGE_BYTES; |
|
488 |
||
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|
489 |
if (DO_MONITORS) { |
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|
490 |
rdrCtx.stats.mon_rdr_addLine.stop(); |
34417 | 491 |
} |
492 |
} |
|
493 |
||
494 |
// END EDGE LIST |
|
495 |
////////////////////////////////////////////////////////////////////////////// |
|
496 |
||
497 |
// Cache to store RLE-encoded coverage mask of the current primitive |
|
498 |
final MarlinCache cache; |
|
499 |
||
500 |
// Bounds of the drawing region, at subpixel precision. |
|
501 |
private int boundsMinX, boundsMinY, boundsMaxX, boundsMaxY; |
|
502 |
||
503 |
// Current winding rule |
|
504 |
private int windingRule; |
|
505 |
||
506 |
// Current drawing position, i.e., final point of last segment |
|
507 |
private float x0, y0; |
|
508 |
||
509 |
// Position of most recent 'moveTo' command |
|
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|
510 |
private float sx0, sy0; |
34417 | 511 |
|
512 |
// per-thread renderer context |
|
513 |
final RendererContext rdrCtx; |
|
514 |
// dirty curve |
|
515 |
private final Curve curve; |
|
516 |
||
517 |
Renderer(final RendererContext rdrCtx) { |
|
518 |
this.rdrCtx = rdrCtx; |
|
519 |
||
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|
520 |
this.edges = new OffHeapArray(rdrCtx.cleanerObj, INITIAL_EDGES_CAPACITY); // 96K |
34417 | 521 |
|
522 |
this.curve = rdrCtx.curve; |
|
523 |
||
524 |
edgeBuckets = edgeBuckets_initial; |
|
525 |
edgeBucketCounts = edgeBucketCounts_initial; |
|
526 |
||
527 |
alphaLine = alphaLine_initial; |
|
528 |
||
529 |
this.cache = rdrCtx.cache; |
|
530 |
||
531 |
// ScanLine: |
|
532 |
crossings = crossings_initial; |
|
533 |
aux_crossings = aux_crossings_initial; |
|
534 |
edgePtrs = edgePtrs_initial; |
|
535 |
aux_edgePtrs = aux_edgePtrs_initial; |
|
536 |
||
537 |
edgeCount = 0; |
|
538 |
activeEdgeMaxUsed = 0; |
|
539 |
} |
|
540 |
||
541 |
Renderer init(final int pix_boundsX, final int pix_boundsY, |
|
542 |
final int pix_boundsWidth, final int pix_boundsHeight, |
|
543 |
final int windingRule) { |
|
544 |
||
545 |
this.windingRule = windingRule; |
|
546 |
||
547 |
// bounds as half-open intervals: minX <= x < maxX and minY <= y < maxY |
|
548 |
this.boundsMinX = pix_boundsX << SUBPIXEL_LG_POSITIONS_X; |
|
549 |
this.boundsMaxX = |
|
550 |
(pix_boundsX + pix_boundsWidth) << SUBPIXEL_LG_POSITIONS_X; |
|
551 |
this.boundsMinY = pix_boundsY << SUBPIXEL_LG_POSITIONS_Y; |
|
552 |
this.boundsMaxY = |
|
553 |
(pix_boundsY + pix_boundsHeight) << SUBPIXEL_LG_POSITIONS_Y; |
|
554 |
||
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|
555 |
if (DO_LOG_BOUNDS) { |
34417 | 556 |
MarlinUtils.logInfo("boundsXY = [" + boundsMinX + " ... " |
557 |
+ boundsMaxX + "[ [" + boundsMinY + " ... " |
|
558 |
+ boundsMaxY + "["); |
|
559 |
} |
|
560 |
||
561 |
// see addLine: ceil(boundsMaxY) => boundsMaxY + 1 |
|
562 |
// +1 for edgeBucketCounts |
|
563 |
final int edgeBucketsLength = (boundsMaxY - boundsMinY) + 1; |
|
564 |
||
565 |
if (edgeBucketsLength > INITIAL_BUCKET_ARRAY) { |
|
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|
566 |
if (DO_STATS) { |
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|
567 |
rdrCtx.stats.stat_array_renderer_edgeBuckets |
34417 | 568 |
.add(edgeBucketsLength); |
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|
569 |
rdrCtx.stats.stat_array_renderer_edgeBucketCounts |
34417 | 570 |
.add(edgeBucketsLength); |
571 |
} |
|
572 |
edgeBuckets = rdrCtx.getIntArray(edgeBucketsLength); |
|
573 |
edgeBucketCounts = rdrCtx.getIntArray(edgeBucketsLength); |
|
574 |
} |
|
575 |
||
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576 |
edgeMinY = Integer.MAX_VALUE; |
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|
577 |
edgeMaxY = Integer.MIN_VALUE; |
34417 | 578 |
edgeMinX = Float.POSITIVE_INFINITY; |
579 |
edgeMaxX = Float.NEGATIVE_INFINITY; |
|
580 |
||
581 |
// reset used mark: |
|
582 |
edgeCount = 0; |
|
583 |
activeEdgeMaxUsed = 0; |
|
584 |
edges.used = 0; |
|
585 |
||
586 |
edgeSumDeltaY = 0; |
|
587 |
||
588 |
return this; // fluent API |
|
589 |
} |
|
590 |
||
591 |
/** |
|
592 |
* Disposes this renderer and recycle it clean up before reusing this instance |
|
593 |
*/ |
|
594 |
void dispose() { |
|
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595 |
if (DO_STATS) { |
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|
596 |
rdrCtx.stats.stat_rdr_activeEdges.add(activeEdgeMaxUsed); |
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|
597 |
rdrCtx.stats.stat_rdr_edges.add(edges.used); |
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|
598 |
rdrCtx.stats.stat_rdr_edges_count |
34417 | 599 |
.add(edges.used / SIZEOF_EDGE_BYTES); |
600 |
} |
|
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|
601 |
if (DO_CLEAN_DIRTY) { |
34417 | 602 |
// Force zero-fill dirty arrays: |
603 |
Arrays.fill(crossings, 0); |
|
604 |
Arrays.fill(aux_crossings, 0); |
|
605 |
Arrays.fill(edgePtrs, 0); |
|
606 |
Arrays.fill(aux_edgePtrs, 0); |
|
607 |
} |
|
608 |
// Return arrays: |
|
609 |
if (crossings != crossings_initial) { |
|
610 |
rdrCtx.putDirtyIntArray(crossings); |
|
611 |
crossings = crossings_initial; |
|
612 |
if (aux_crossings != aux_crossings_initial) { |
|
613 |
rdrCtx.putDirtyIntArray(aux_crossings); |
|
614 |
aux_crossings = aux_crossings_initial; |
|
615 |
} |
|
616 |
} |
|
617 |
if (edgePtrs != edgePtrs_initial) { |
|
618 |
rdrCtx.putDirtyIntArray(edgePtrs); |
|
619 |
edgePtrs = edgePtrs_initial; |
|
620 |
if (aux_edgePtrs != aux_edgePtrs_initial) { |
|
621 |
rdrCtx.putDirtyIntArray(aux_edgePtrs); |
|
622 |
aux_edgePtrs = aux_edgePtrs_initial; |
|
623 |
} |
|
624 |
} |
|
625 |
if (alphaLine != alphaLine_initial) { |
|
626 |
rdrCtx.putIntArray(alphaLine, 0, 0); // already zero filled |
|
627 |
alphaLine = alphaLine_initial; |
|
628 |
} |
|
629 |
if (blkFlags != blkFlags_initial) { |
|
630 |
rdrCtx.putIntArray(blkFlags, 0, 0); // already zero filled |
|
631 |
blkFlags = blkFlags_initial; |
|
632 |
} |
|
633 |
||
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|
634 |
if (edgeMinY != Integer.MAX_VALUE) { |
34814 | 635 |
// if context is maked as DIRTY: |
636 |
if (rdrCtx.dirty) { |
|
637 |
// may happen if an exception if thrown in the pipeline processing: |
|
638 |
// clear completely buckets arrays: |
|
639 |
buckets_minY = 0; |
|
640 |
buckets_maxY = boundsMaxY - boundsMinY; |
|
641 |
} |
|
34417 | 642 |
// clear used part |
643 |
if (edgeBuckets == edgeBuckets_initial) { |
|
644 |
// fill only used part |
|
645 |
IntArrayCache.fill(edgeBuckets, buckets_minY, |
|
646 |
buckets_maxY, 0); |
|
647 |
IntArrayCache.fill(edgeBucketCounts, buckets_minY, |
|
648 |
buckets_maxY + 1, 0); |
|
649 |
} else { |
|
650 |
// clear only used part |
|
651 |
rdrCtx.putIntArray(edgeBuckets, buckets_minY, |
|
652 |
buckets_maxY); |
|
653 |
edgeBuckets = edgeBuckets_initial; |
|
654 |
||
655 |
rdrCtx.putIntArray(edgeBucketCounts, buckets_minY, |
|
656 |
buckets_maxY + 1); |
|
657 |
edgeBucketCounts = edgeBucketCounts_initial; |
|
658 |
} |
|
659 |
} else if (edgeBuckets != edgeBuckets_initial) { |
|
660 |
// unused arrays |
|
661 |
rdrCtx.putIntArray(edgeBuckets, 0, 0); |
|
662 |
edgeBuckets = edgeBuckets_initial; |
|
663 |
||
664 |
rdrCtx.putIntArray(edgeBucketCounts, 0, 0); |
|
665 |
edgeBucketCounts = edgeBucketCounts_initial; |
|
666 |
} |
|
667 |
||
668 |
// At last: resize back off-heap edges to initial size |
|
669 |
if (edges.length != INITIAL_EDGES_CAPACITY) { |
|
670 |
// note: may throw OOME: |
|
671 |
edges.resize(INITIAL_EDGES_CAPACITY); |
|
672 |
} |
|
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|
673 |
if (DO_CLEAN_DIRTY) { |
34417 | 674 |
// Force zero-fill dirty arrays: |
675 |
edges.fill(BYTE_0); |
|
676 |
} |
|
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|
677 |
if (DO_MONITORS) { |
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|
678 |
rdrCtx.stats.mon_rdr_endRendering.stop(); |
34417 | 679 |
} |
680 |
} |
|
681 |
||
682 |
private static float tosubpixx(final float pix_x) { |
|
683 |
return f_SUBPIXEL_POSITIONS_X * pix_x; |
|
684 |
} |
|
685 |
||
686 |
private static float tosubpixy(final float pix_y) { |
|
687 |
// shift y by -0.5 for fast ceil(y - 0.5): |
|
688 |
return f_SUBPIXEL_POSITIONS_Y * pix_y - 0.5f; |
|
689 |
} |
|
690 |
||
691 |
@Override |
|
692 |
public void moveTo(float pix_x0, float pix_y0) { |
|
693 |
closePath(); |
|
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|
694 |
final float sx = tosubpixx(pix_x0); |
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|
695 |
final float sy = tosubpixy(pix_y0); |
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|
696 |
this.sx0 = sx; |
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changeset
|
697 |
this.sy0 = sy; |
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|
698 |
this.x0 = sx; |
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changeset
|
699 |
this.y0 = sy; |
34417 | 700 |
} |
701 |
||
702 |
@Override |
|
703 |
public void lineTo(float pix_x1, float pix_y1) { |
|
36446
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|
704 |
final float x1 = tosubpixx(pix_x1); |
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|
705 |
final float y1 = tosubpixy(pix_y1); |
34417 | 706 |
addLine(x0, y0, x1, y1); |
707 |
x0 = x1; |
|
708 |
y0 = y1; |
|
709 |
} |
|
710 |
||
711 |
@Override |
|
712 |
public void curveTo(float x1, float y1, |
|
713 |
float x2, float y2, |
|
714 |
float x3, float y3) |
|
715 |
{ |
|
716 |
final float xe = tosubpixx(x3); |
|
717 |
final float ye = tosubpixy(y3); |
|
718 |
curve.set(x0, y0, tosubpixx(x1), tosubpixy(y1), |
|
719 |
tosubpixx(x2), tosubpixy(y2), xe, ye); |
|
720 |
curveBreakIntoLinesAndAdd(x0, y0, curve, xe, ye); |
|
721 |
x0 = xe; |
|
722 |
y0 = ye; |
|
723 |
} |
|
724 |
||
725 |
@Override |
|
726 |
public void quadTo(float x1, float y1, float x2, float y2) { |
|
727 |
final float xe = tosubpixx(x2); |
|
728 |
final float ye = tosubpixy(y2); |
|
729 |
curve.set(x0, y0, tosubpixx(x1), tosubpixy(y1), xe, ye); |
|
730 |
quadBreakIntoLinesAndAdd(x0, y0, curve, xe, ye); |
|
731 |
x0 = xe; |
|
732 |
y0 = ye; |
|
733 |
} |
|
734 |
||
735 |
@Override |
|
736 |
public void closePath() { |
|
36446
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changeset
|
737 |
addLine(x0, y0, sx0, sy0); |
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changeset
|
738 |
x0 = sx0; |
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changeset
|
739 |
y0 = sy0; |
34417 | 740 |
} |
741 |
||
742 |
@Override |
|
743 |
public void pathDone() { |
|
744 |
closePath(); |
|
745 |
} |
|
746 |
||
747 |
@Override |
|
748 |
public long getNativeConsumer() { |
|
749 |
throw new InternalError("Renderer does not use a native consumer."); |
|
750 |
} |
|
751 |
||
752 |
// clean alpha array (zero filled) |
|
753 |
private int[] alphaLine; |
|
754 |
// 2048 (pixelsize) pixel large |
|
755 |
private final int[] alphaLine_initial = new int[INITIAL_AA_ARRAY]; // 8K |
|
756 |
||
757 |
private void _endRendering(final int ymin, final int ymax) { |
|
758 |
if (DISABLE_RENDER) { |
|
759 |
return; |
|
760 |
} |
|
761 |
||
762 |
// Get X bounds as true pixel boundaries to compute correct pixel coverage: |
|
763 |
final int bboxx0 = bbox_spminX; |
|
764 |
final int bboxx1 = bbox_spmaxX; |
|
765 |
||
766 |
final boolean windingRuleEvenOdd = (windingRule == WIND_EVEN_ODD); |
|
767 |
||
768 |
// Useful when processing tile line by tile line |
|
769 |
final int[] _alpha = alphaLine; |
|
770 |
||
771 |
// local vars (performance): |
|
772 |
final MarlinCache _cache = cache; |
|
773 |
final OffHeapArray _edges = edges; |
|
774 |
final int[] _edgeBuckets = edgeBuckets; |
|
775 |
final int[] _edgeBucketCounts = edgeBucketCounts; |
|
776 |
||
777 |
int[] _crossings = this.crossings; |
|
778 |
int[] _edgePtrs = this.edgePtrs; |
|
779 |
||
780 |
// merge sort auxiliary storage: |
|
781 |
int[] _aux_crossings = this.aux_crossings; |
|
782 |
int[] _aux_edgePtrs = this.aux_edgePtrs; |
|
783 |
||
784 |
// copy constants: |
|
785 |
final long _OFF_ERROR = OFF_ERROR; |
|
786 |
final long _OFF_BUMP_X = OFF_BUMP_X; |
|
787 |
final long _OFF_BUMP_ERR = OFF_BUMP_ERR; |
|
788 |
||
789 |
final long _OFF_NEXT = OFF_NEXT; |
|
790 |
final long _OFF_YMAX = OFF_YMAX; |
|
791 |
||
792 |
final int _ALL_BUT_LSB = ALL_BUT_LSB; |
|
793 |
final int _ERR_STEP_MAX = ERR_STEP_MAX; |
|
794 |
||
795 |
// unsafe I/O: |
|
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|
796 |
final Unsafe _unsafe = OffHeapArray.UNSAFE; |
34417 | 797 |
final long addr0 = _edges.address; |
798 |
long addr; |
|
799 |
final int _SUBPIXEL_LG_POSITIONS_X = SUBPIXEL_LG_POSITIONS_X; |
|
800 |
final int _SUBPIXEL_LG_POSITIONS_Y = SUBPIXEL_LG_POSITIONS_Y; |
|
801 |
final int _SUBPIXEL_MASK_X = SUBPIXEL_MASK_X; |
|
802 |
final int _SUBPIXEL_MASK_Y = SUBPIXEL_MASK_Y; |
|
803 |
final int _SUBPIXEL_POSITIONS_X = SUBPIXEL_POSITIONS_X; |
|
804 |
||
805 |
final int _MIN_VALUE = Integer.MIN_VALUE; |
|
806 |
final int _MAX_VALUE = Integer.MAX_VALUE; |
|
807 |
||
808 |
// Now we iterate through the scanlines. We must tell emitRow the coord |
|
809 |
// of the first non-transparent pixel, so we must keep accumulators for |
|
810 |
// the first and last pixels of the section of the current pixel row |
|
811 |
// that we will emit. |
|
812 |
// We also need to accumulate pix_bbox, but the iterator does it |
|
813 |
// for us. We will just get the values from it once this loop is done |
|
814 |
int minX = _MAX_VALUE; |
|
815 |
int maxX = _MIN_VALUE; |
|
816 |
||
817 |
int y = ymin; |
|
818 |
int bucket = y - boundsMinY; |
|
819 |
||
820 |
int numCrossings = this.edgeCount; |
|
821 |
int edgePtrsLen = _edgePtrs.length; |
|
822 |
int crossingsLen = _crossings.length; |
|
823 |
int _arrayMaxUsed = activeEdgeMaxUsed; |
|
824 |
int ptrLen = 0, newCount, ptrEnd; |
|
825 |
||
826 |
int bucketcount, i, j, ecur; |
|
827 |
int cross, lastCross; |
|
828 |
int x0, x1, tmp, sum, prev, curx, curxo, crorientation, err; |
|
829 |
int pix_x, pix_xmaxm1, pix_xmax; |
|
830 |
||
831 |
int low, high, mid, prevNumCrossings; |
|
832 |
boolean useBinarySearch; |
|
833 |
||
834 |
final int[] _blkFlags = blkFlags; |
|
835 |
final int _BLK_SIZE_LG = BLOCK_SIZE_LG; |
|
836 |
final int _BLK_SIZE = BLOCK_SIZE; |
|
837 |
||
838 |
final boolean _enableBlkFlagsHeuristics = ENABLE_BLOCK_FLAGS_HEURISTICS && this.enableBlkFlags; |
|
839 |
||
840 |
// Use block flags if large pixel span and few crossings: |
|
841 |
// ie mean(distance between crossings) is high |
|
842 |
boolean useBlkFlags = this.prevUseBlkFlags; |
|
843 |
||
844 |
final int stroking = rdrCtx.stroking; |
|
845 |
||
846 |
int lastY = -1; // last emited row |
|
847 |
||
848 |
||
849 |
// Iteration on scanlines |
|
850 |
for (; y < ymax; y++, bucket++) { |
|
851 |
// --- from former ScanLineIterator.next() |
|
852 |
bucketcount = _edgeBucketCounts[bucket]; |
|
853 |
||
854 |
// marker on previously sorted edges: |
|
855 |
prevNumCrossings = numCrossings; |
|
856 |
||
857 |
// bucketCount indicates new edge / edge end: |
|
858 |
if (bucketcount != 0) { |
|
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changeset
|
859 |
if (DO_STATS) { |
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changeset
|
860 |
rdrCtx.stats.stat_rdr_activeEdges_updates |
34417 | 861 |
.add(numCrossings); |
862 |
} |
|
863 |
||
864 |
// last bit set to 1 means that edges ends |
|
865 |
if ((bucketcount & 0x1) != 0) { |
|
866 |
// eviction in active edge list |
|
867 |
// cache edges[] address + offset |
|
868 |
addr = addr0 + _OFF_YMAX; |
|
869 |
||
870 |
for (i = 0, newCount = 0; i < numCrossings; i++) { |
|
871 |
// get the pointer to the edge |
|
872 |
ecur = _edgePtrs[i]; |
|
873 |
// random access so use unsafe: |
|
874 |
if (_unsafe.getInt(addr + ecur) > y) { |
|
875 |
_edgePtrs[newCount++] = ecur; |
|
876 |
} |
|
877 |
} |
|
878 |
// update marker on sorted edges minus removed edges: |
|
879 |
prevNumCrossings = numCrossings = newCount; |
|
880 |
} |
|
881 |
||
882 |
ptrLen = bucketcount >> 1; // number of new edge |
|
883 |
||
884 |
if (ptrLen != 0) { |
|
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changeset
|
885 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
886 |
rdrCtx.stats.stat_rdr_activeEdges_adds |
34417 | 887 |
.add(ptrLen); |
888 |
if (ptrLen > 10) { |
|
39519
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diff
changeset
|
889 |
rdrCtx.stats.stat_rdr_activeEdges_adds_high |
34417 | 890 |
.add(ptrLen); |
891 |
} |
|
892 |
} |
|
893 |
ptrEnd = numCrossings + ptrLen; |
|
894 |
||
895 |
if (edgePtrsLen < ptrEnd) { |
|
39519
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diff
changeset
|
896 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
897 |
rdrCtx.stats.stat_array_renderer_edgePtrs |
34417 | 898 |
.add(ptrEnd); |
899 |
} |
|
900 |
this.edgePtrs = _edgePtrs |
|
901 |
= rdrCtx.widenDirtyIntArray(_edgePtrs, numCrossings, |
|
902 |
ptrEnd); |
|
903 |
||
904 |
edgePtrsLen = _edgePtrs.length; |
|
905 |
// Get larger auxiliary storage: |
|
906 |
if (_aux_edgePtrs != aux_edgePtrs_initial) { |
|
907 |
rdrCtx.putDirtyIntArray(_aux_edgePtrs); |
|
908 |
} |
|
909 |
// use ArrayCache.getNewSize() to use the same growing |
|
910 |
// factor than widenDirtyIntArray(): |
|
39519
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diff
changeset
|
911 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
912 |
rdrCtx.stats.stat_array_renderer_aux_edgePtrs |
34417 | 913 |
.add(ptrEnd); |
914 |
} |
|
915 |
this.aux_edgePtrs = _aux_edgePtrs |
|
916 |
= rdrCtx.getDirtyIntArray( |
|
917 |
ArrayCache.getNewSize(numCrossings, ptrEnd) |
|
918 |
); |
|
919 |
} |
|
920 |
||
921 |
// cache edges[] address + offset |
|
922 |
addr = addr0 + _OFF_NEXT; |
|
923 |
||
924 |
// add new edges to active edge list: |
|
925 |
for (ecur = _edgeBuckets[bucket]; |
|
926 |
numCrossings < ptrEnd; numCrossings++) |
|
927 |
{ |
|
928 |
// store the pointer to the edge |
|
929 |
_edgePtrs[numCrossings] = ecur; |
|
930 |
// random access so use unsafe: |
|
931 |
ecur = _unsafe.getInt(addr + ecur); |
|
932 |
} |
|
933 |
||
934 |
if (crossingsLen < numCrossings) { |
|
935 |
// Get larger array: |
|
936 |
if (_crossings != crossings_initial) { |
|
937 |
rdrCtx.putDirtyIntArray(_crossings); |
|
938 |
} |
|
39519
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diff
changeset
|
939 |
if (DO_STATS) { |
21bfc4452441
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parents:
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diff
changeset
|
940 |
rdrCtx.stats.stat_array_renderer_crossings |
34417 | 941 |
.add(numCrossings); |
942 |
} |
|
943 |
this.crossings = _crossings |
|
944 |
= rdrCtx.getDirtyIntArray(numCrossings); |
|
945 |
||
946 |
// Get larger auxiliary storage: |
|
947 |
if (_aux_crossings != aux_crossings_initial) { |
|
948 |
rdrCtx.putDirtyIntArray(_aux_crossings); |
|
949 |
} |
|
39519
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diff
changeset
|
950 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
951 |
rdrCtx.stats.stat_array_renderer_aux_crossings |
34417 | 952 |
.add(numCrossings); |
953 |
} |
|
954 |
this.aux_crossings = _aux_crossings |
|
955 |
= rdrCtx.getDirtyIntArray(numCrossings); |
|
956 |
||
957 |
crossingsLen = _crossings.length; |
|
958 |
} |
|
39519
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diff
changeset
|
959 |
if (DO_STATS) { |
34417 | 960 |
// update max used mark |
961 |
if (numCrossings > _arrayMaxUsed) { |
|
962 |
_arrayMaxUsed = numCrossings; |
|
963 |
} |
|
964 |
} |
|
965 |
} // ptrLen != 0 |
|
966 |
} // bucketCount != 0 |
|
967 |
||
968 |
||
969 |
if (numCrossings != 0) { |
|
970 |
/* |
|
971 |
* thresholds to switch to optimized merge sort |
|
972 |
* for newly added edges + final merge pass. |
|
973 |
*/ |
|
974 |
if ((ptrLen < 10) || (numCrossings < 40)) { |
|
39519
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diff
changeset
|
975 |
if (DO_STATS) { |
21bfc4452441
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36457
diff
changeset
|
976 |
rdrCtx.stats.hist_rdr_crossings |
34417 | 977 |
.add(numCrossings); |
39519
21bfc4452441
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36457
diff
changeset
|
978 |
rdrCtx.stats.hist_rdr_crossings_adds |
34417 | 979 |
.add(ptrLen); |
980 |
} |
|
981 |
||
982 |
/* |
|
983 |
* threshold to use binary insertion sort instead of |
|
984 |
* straight insertion sort (to reduce minimize comparisons). |
|
985 |
*/ |
|
986 |
useBinarySearch = (numCrossings >= 20); |
|
987 |
||
988 |
// if small enough: |
|
989 |
lastCross = _MIN_VALUE; |
|
990 |
||
991 |
for (i = 0; i < numCrossings; i++) { |
|
992 |
// get the pointer to the edge |
|
993 |
ecur = _edgePtrs[i]; |
|
994 |
||
995 |
/* convert subpixel coordinates (float) into pixel |
|
996 |
positions (int) for coming scanline */ |
|
997 |
/* note: it is faster to always update edges even |
|
998 |
if it is removed from AEL for coming or last scanline */ |
|
999 |
||
1000 |
// random access so use unsafe: |
|
1001 |
addr = addr0 + ecur; // ecur + OFF_F_CURX |
|
1002 |
||
1003 |
// get current crossing: |
|
1004 |
curx = _unsafe.getInt(addr); |
|
1005 |
||
1006 |
// update crossing with orientation at last bit: |
|
1007 |
cross = curx; |
|
1008 |
||
1009 |
// Increment x using DDA (fixed point): |
|
1010 |
curx += _unsafe.getInt(addr + _OFF_BUMP_X); |
|
1011 |
||
1012 |
// Increment error: |
|
1013 |
err = _unsafe.getInt(addr + _OFF_ERROR) |
|
1014 |
+ _unsafe.getInt(addr + _OFF_BUMP_ERR); |
|
1015 |
||
1016 |
// Manual carry handling: |
|
1017 |
// keep sign and carry bit only and ignore last bit (preserve orientation): |
|
1018 |
_unsafe.putInt(addr, curx - ((err >> 30) & _ALL_BUT_LSB)); |
|
1019 |
_unsafe.putInt(addr + _OFF_ERROR, (err & _ERR_STEP_MAX)); |
|
1020 |
||
39519
21bfc4452441
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diff
changeset
|
1021 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
1022 |
rdrCtx.stats.stat_rdr_crossings_updates |
34417 | 1023 |
.add(numCrossings); |
1024 |
} |
|
1025 |
||
1026 |
// insertion sort of crossings: |
|
1027 |
if (cross < lastCross) { |
|
39519
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changeset
|
1028 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
1029 |
rdrCtx.stats.stat_rdr_crossings_sorts |
34417 | 1030 |
.add(i); |
1031 |
} |
|
1032 |
||
1033 |
/* use binary search for newly added edges |
|
1034 |
in crossings if arrays are large enough */ |
|
1035 |
if (useBinarySearch && (i >= prevNumCrossings)) { |
|
39519
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diff
changeset
|
1036 |
if (DO_STATS) { |
21bfc4452441
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parents:
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diff
changeset
|
1037 |
rdrCtx.stats. |
34417 | 1038 |
stat_rdr_crossings_bsearch.add(i); |
1039 |
} |
|
1040 |
low = 0; |
|
1041 |
high = i - 1; |
|
1042 |
||
1043 |
do { |
|
1044 |
// note: use signed shift (not >>>) for performance |
|
1045 |
// as indices are small enough to exceed Integer.MAX_VALUE |
|
1046 |
mid = (low + high) >> 1; |
|
1047 |
||
1048 |
if (_crossings[mid] < cross) { |
|
1049 |
low = mid + 1; |
|
1050 |
} else { |
|
1051 |
high = mid - 1; |
|
1052 |
} |
|
1053 |
} while (low <= high); |
|
1054 |
||
1055 |
for (j = i - 1; j >= low; j--) { |
|
1056 |
_crossings[j + 1] = _crossings[j]; |
|
1057 |
_edgePtrs [j + 1] = _edgePtrs[j]; |
|
1058 |
} |
|
1059 |
_crossings[low] = cross; |
|
1060 |
_edgePtrs [low] = ecur; |
|
1061 |
||
1062 |
} else { |
|
1063 |
j = i - 1; |
|
1064 |
_crossings[i] = _crossings[j]; |
|
1065 |
_edgePtrs[i] = _edgePtrs[j]; |
|
1066 |
||
1067 |
while ((--j >= 0) && (_crossings[j] > cross)) { |
|
1068 |
_crossings[j + 1] = _crossings[j]; |
|
1069 |
_edgePtrs [j + 1] = _edgePtrs[j]; |
|
1070 |
} |
|
1071 |
_crossings[j + 1] = cross; |
|
1072 |
_edgePtrs [j + 1] = ecur; |
|
1073 |
} |
|
1074 |
||
1075 |
} else { |
|
1076 |
_crossings[i] = lastCross = cross; |
|
1077 |
} |
|
1078 |
} |
|
1079 |
} else { |
|
39519
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parents:
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diff
changeset
|
1080 |
if (DO_STATS) { |
21bfc4452441
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diff
changeset
|
1081 |
rdrCtx.stats.stat_rdr_crossings_msorts |
34417 | 1082 |
.add(numCrossings); |
39519
21bfc4452441
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parents:
36457
diff
changeset
|
1083 |
rdrCtx.stats.hist_rdr_crossings_ratio |
34417 | 1084 |
.add((1000 * ptrLen) / numCrossings); |
39519
21bfc4452441
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parents:
36457
diff
changeset
|
1085 |
rdrCtx.stats.hist_rdr_crossings_msorts |
34417 | 1086 |
.add(numCrossings); |
39519
21bfc4452441
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lbourges
parents:
36457
diff
changeset
|
1087 |
rdrCtx.stats.hist_rdr_crossings_msorts_adds |
34417 | 1088 |
.add(ptrLen); |
1089 |
} |
|
1090 |
||
1091 |
// Copy sorted data in auxiliary arrays |
|
1092 |
// and perform insertion sort on almost sorted data |
|
1093 |
// (ie i < prevNumCrossings): |
|
1094 |
||
1095 |
lastCross = _MIN_VALUE; |
|
1096 |
||
1097 |
for (i = 0; i < numCrossings; i++) { |
|
1098 |
// get the pointer to the edge |
|
1099 |
ecur = _edgePtrs[i]; |
|
1100 |
||
1101 |
/* convert subpixel coordinates (float) into pixel |
|
1102 |
positions (int) for coming scanline */ |
|
1103 |
/* note: it is faster to always update edges even |
|
1104 |
if it is removed from AEL for coming or last scanline */ |
|
1105 |
||
1106 |
// random access so use unsafe: |
|
1107 |
addr = addr0 + ecur; // ecur + OFF_F_CURX |
|
1108 |
||
1109 |
// get current crossing: |
|
1110 |
curx = _unsafe.getInt(addr); |
|
1111 |
||
1112 |
// update crossing with orientation at last bit: |
|
1113 |
cross = curx; |
|
1114 |
||
1115 |
// Increment x using DDA (fixed point): |
|
1116 |
curx += _unsafe.getInt(addr + _OFF_BUMP_X); |
|
1117 |
||
1118 |
// Increment error: |
|
1119 |
err = _unsafe.getInt(addr + _OFF_ERROR) |
|
1120 |
+ _unsafe.getInt(addr + _OFF_BUMP_ERR); |
|
1121 |
||
1122 |
// Manual carry handling: |
|
1123 |
// keep sign and carry bit only and ignore last bit (preserve orientation): |
|
1124 |
_unsafe.putInt(addr, curx - ((err >> 30) & _ALL_BUT_LSB)); |
|
1125 |
_unsafe.putInt(addr + _OFF_ERROR, (err & _ERR_STEP_MAX)); |
|
1126 |
||
39519
21bfc4452441
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parents:
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diff
changeset
|
1127 |
if (DO_STATS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
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parents:
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diff
changeset
|
1128 |
rdrCtx.stats.stat_rdr_crossings_updates |
34417 | 1129 |
.add(numCrossings); |
1130 |
} |
|
1131 |
||
1132 |
if (i >= prevNumCrossings) { |
|
1133 |
// simply store crossing as edgePtrs is in-place: |
|
1134 |
// will be copied and sorted efficiently by mergesort later: |
|
1135 |
_crossings[i] = cross; |
|
1136 |
||
1137 |
} else if (cross < lastCross) { |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
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parents:
36457
diff
changeset
|
1138 |
if (DO_STATS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1139 |
rdrCtx.stats.stat_rdr_crossings_sorts |
34417 | 1140 |
.add(i); |
1141 |
} |
|
1142 |
||
1143 |
// (straight) insertion sort of crossings: |
|
1144 |
j = i - 1; |
|
1145 |
_aux_crossings[i] = _aux_crossings[j]; |
|
1146 |
_aux_edgePtrs[i] = _aux_edgePtrs[j]; |
|
1147 |
||
1148 |
while ((--j >= 0) && (_aux_crossings[j] > cross)) { |
|
1149 |
_aux_crossings[j + 1] = _aux_crossings[j]; |
|
1150 |
_aux_edgePtrs [j + 1] = _aux_edgePtrs[j]; |
|
1151 |
} |
|
1152 |
_aux_crossings[j + 1] = cross; |
|
1153 |
_aux_edgePtrs [j + 1] = ecur; |
|
1154 |
||
1155 |
} else { |
|
1156 |
// auxiliary storage: |
|
1157 |
_aux_crossings[i] = lastCross = cross; |
|
1158 |
_aux_edgePtrs [i] = ecur; |
|
1159 |
} |
|
1160 |
} |
|
1161 |
||
1162 |
// use Mergesort using auxiliary arrays (sort only right part) |
|
1163 |
MergeSort.mergeSortNoCopy(_crossings, _edgePtrs, |
|
1164 |
_aux_crossings, _aux_edgePtrs, |
|
1165 |
numCrossings, prevNumCrossings); |
|
1166 |
} |
|
1167 |
||
1168 |
// reset ptrLen |
|
1169 |
ptrLen = 0; |
|
1170 |
// --- from former ScanLineIterator.next() |
|
1171 |
||
1172 |
||
1173 |
/* note: bboxx0 and bboxx1 must be pixel boundaries |
|
1174 |
to have correct coverage computation */ |
|
1175 |
||
1176 |
// right shift on crossings to get the x-coordinate: |
|
1177 |
curxo = _crossings[0]; |
|
1178 |
x0 = curxo >> 1; |
|
1179 |
if (x0 < minX) { |
|
1180 |
minX = x0; // subpixel coordinate |
|
1181 |
} |
|
1182 |
||
1183 |
x1 = _crossings[numCrossings - 1] >> 1; |
|
1184 |
if (x1 > maxX) { |
|
1185 |
maxX = x1; // subpixel coordinate |
|
1186 |
} |
|
1187 |
||
1188 |
||
1189 |
// compute pixel coverages |
|
1190 |
prev = curx = x0; |
|
1191 |
// to turn {0, 1} into {-1, 1}, multiply by 2 and subtract 1. |
|
1192 |
// last bit contains orientation (0 or 1) |
|
1193 |
crorientation = ((curxo & 0x1) << 1) - 1; |
|
1194 |
||
1195 |
if (windingRuleEvenOdd) { |
|
1196 |
sum = crorientation; |
|
1197 |
||
1198 |
// Even Odd winding rule: take care of mask ie sum(orientations) |
|
1199 |
for (i = 1; i < numCrossings; i++) { |
|
1200 |
curxo = _crossings[i]; |
|
1201 |
curx = curxo >> 1; |
|
1202 |
// to turn {0, 1} into {-1, 1}, multiply by 2 and subtract 1. |
|
1203 |
// last bit contains orientation (0 or 1) |
|
1204 |
crorientation = ((curxo & 0x1) << 1) - 1; |
|
1205 |
||
1206 |
if ((sum & 0x1) != 0) { |
|
1207 |
// TODO: perform line clipping on left-right sides |
|
1208 |
// to avoid such bound checks: |
|
1209 |
x0 = (prev > bboxx0) ? prev : bboxx0; |
|
1210 |
x1 = (curx < bboxx1) ? curx : bboxx1; |
|
1211 |
||
1212 |
if (x0 < x1) { |
|
1213 |
x0 -= bboxx0; // turn x0, x1 from coords to indices |
|
1214 |
x1 -= bboxx0; // in the alpha array. |
|
1215 |
||
1216 |
pix_x = x0 >> _SUBPIXEL_LG_POSITIONS_X; |
|
1217 |
pix_xmaxm1 = (x1 - 1) >> _SUBPIXEL_LG_POSITIONS_X; |
|
1218 |
||
1219 |
if (pix_x == pix_xmaxm1) { |
|
1220 |
// Start and end in same pixel |
|
1221 |
tmp = (x1 - x0); // number of subpixels |
|
1222 |
_alpha[pix_x ] += tmp; |
|
1223 |
_alpha[pix_x + 1] -= tmp; |
|
1224 |
||
1225 |
if (useBlkFlags) { |
|
1226 |
// flag used blocks: |
|
1227 |
_blkFlags[pix_x >> _BLK_SIZE_LG] = 1; |
|
1228 |
} |
|
1229 |
} else { |
|
1230 |
tmp = (x0 & _SUBPIXEL_MASK_X); |
|
1231 |
_alpha[pix_x ] |
|
1232 |
+= (_SUBPIXEL_POSITIONS_X - tmp); |
|
1233 |
_alpha[pix_x + 1] |
|
1234 |
+= tmp; |
|
1235 |
||
1236 |
pix_xmax = x1 >> _SUBPIXEL_LG_POSITIONS_X; |
|
1237 |
||
1238 |
tmp = (x1 & _SUBPIXEL_MASK_X); |
|
1239 |
_alpha[pix_xmax ] |
|
1240 |
-= (_SUBPIXEL_POSITIONS_X - tmp); |
|
1241 |
_alpha[pix_xmax + 1] |
|
1242 |
-= tmp; |
|
1243 |
||
1244 |
if (useBlkFlags) { |
|
1245 |
// flag used blocks: |
|
1246 |
_blkFlags[pix_x >> _BLK_SIZE_LG] = 1; |
|
1247 |
_blkFlags[pix_xmax >> _BLK_SIZE_LG] = 1; |
|
1248 |
} |
|
1249 |
} |
|
1250 |
} |
|
1251 |
} |
|
1252 |
||
1253 |
sum += crorientation; |
|
1254 |
prev = curx; |
|
1255 |
} |
|
1256 |
} else { |
|
1257 |
// Non-zero winding rule: optimize that case (default) |
|
1258 |
// and avoid processing intermediate crossings |
|
1259 |
for (i = 1, sum = 0;; i++) { |
|
1260 |
sum += crorientation; |
|
1261 |
||
1262 |
if (sum != 0) { |
|
1263 |
// prev = min(curx) |
|
1264 |
if (prev > curx) { |
|
1265 |
prev = curx; |
|
1266 |
} |
|
1267 |
} else { |
|
1268 |
// TODO: perform line clipping on left-right sides |
|
1269 |
// to avoid such bound checks: |
|
1270 |
x0 = (prev > bboxx0) ? prev : bboxx0; |
|
1271 |
x1 = (curx < bboxx1) ? curx : bboxx1; |
|
1272 |
||
1273 |
if (x0 < x1) { |
|
1274 |
x0 -= bboxx0; // turn x0, x1 from coords to indices |
|
1275 |
x1 -= bboxx0; // in the alpha array. |
|
1276 |
||
1277 |
pix_x = x0 >> _SUBPIXEL_LG_POSITIONS_X; |
|
1278 |
pix_xmaxm1 = (x1 - 1) >> _SUBPIXEL_LG_POSITIONS_X; |
|
1279 |
||
1280 |
if (pix_x == pix_xmaxm1) { |
|
1281 |
// Start and end in same pixel |
|
1282 |
tmp = (x1 - x0); // number of subpixels |
|
1283 |
_alpha[pix_x ] += tmp; |
|
1284 |
_alpha[pix_x + 1] -= tmp; |
|
1285 |
||
1286 |
if (useBlkFlags) { |
|
1287 |
// flag used blocks: |
|
1288 |
_blkFlags[pix_x >> _BLK_SIZE_LG] = 1; |
|
1289 |
} |
|
1290 |
} else { |
|
1291 |
tmp = (x0 & _SUBPIXEL_MASK_X); |
|
1292 |
_alpha[pix_x ] |
|
1293 |
+= (_SUBPIXEL_POSITIONS_X - tmp); |
|
1294 |
_alpha[pix_x + 1] |
|
1295 |
+= tmp; |
|
1296 |
||
1297 |
pix_xmax = x1 >> _SUBPIXEL_LG_POSITIONS_X; |
|
1298 |
||
1299 |
tmp = (x1 & _SUBPIXEL_MASK_X); |
|
1300 |
_alpha[pix_xmax ] |
|
1301 |
-= (_SUBPIXEL_POSITIONS_X - tmp); |
|
1302 |
_alpha[pix_xmax + 1] |
|
1303 |
-= tmp; |
|
1304 |
||
1305 |
if (useBlkFlags) { |
|
1306 |
// flag used blocks: |
|
1307 |
_blkFlags[pix_x >> _BLK_SIZE_LG] = 1; |
|
1308 |
_blkFlags[pix_xmax >> _BLK_SIZE_LG] = 1; |
|
1309 |
} |
|
1310 |
} |
|
1311 |
} |
|
1312 |
prev = _MAX_VALUE; |
|
1313 |
} |
|
1314 |
||
1315 |
if (i == numCrossings) { |
|
1316 |
break; |
|
1317 |
} |
|
1318 |
||
1319 |
curxo = _crossings[i]; |
|
1320 |
curx = curxo >> 1; |
|
1321 |
// to turn {0, 1} into {-1, 1}, multiply by 2 and subtract 1. |
|
1322 |
// last bit contains orientation (0 or 1) |
|
1323 |
crorientation = ((curxo & 0x1) << 1) - 1; |
|
1324 |
} |
|
1325 |
} |
|
1326 |
} // numCrossings > 0 |
|
1327 |
||
1328 |
// even if this last row had no crossings, alpha will be zeroed |
|
1329 |
// from the last emitRow call. But this doesn't matter because |
|
1330 |
// maxX < minX, so no row will be emitted to the MarlinCache. |
|
1331 |
if ((y & _SUBPIXEL_MASK_Y) == _SUBPIXEL_MASK_Y) { |
|
1332 |
lastY = y >> _SUBPIXEL_LG_POSITIONS_Y; |
|
1333 |
||
1334 |
// convert subpixel to pixel coordinate within boundaries: |
|
1335 |
minX = FloatMath.max(minX, bboxx0) >> _SUBPIXEL_LG_POSITIONS_X; |
|
1336 |
maxX = FloatMath.min(maxX, bboxx1) >> _SUBPIXEL_LG_POSITIONS_X; |
|
1337 |
||
1338 |
if (maxX >= minX) { |
|
1339 |
// note: alpha array will be zeroed by copyAARow() |
|
1340 |
// +2 because alpha [pix_minX; pix_maxX+1] |
|
1341 |
// fix range [x0; x1[ |
|
1342 |
copyAARow(_alpha, lastY, minX, maxX + 2, useBlkFlags); |
|
1343 |
||
1344 |
// speculative for next pixel row (scanline coherence): |
|
1345 |
if (_enableBlkFlagsHeuristics) { |
|
1346 |
// Use block flags if large pixel span and few crossings: |
|
1347 |
// ie mean(distance between crossings) is larger than |
|
1348 |
// 1 block size; |
|
1349 |
||
1350 |
// fast check width: |
|
1351 |
maxX -= minX; |
|
1352 |
||
1353 |
// if stroking: numCrossings /= 2 |
|
1354 |
// => shift numCrossings by 1 |
|
1355 |
// condition = (width / (numCrossings - 1)) > blockSize |
|
1356 |
useBlkFlags = (maxX > _BLK_SIZE) && (maxX > |
|
1357 |
(((numCrossings >> stroking) - 1) << _BLK_SIZE_LG)); |
|
1358 |
||
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1359 |
if (DO_STATS) { |
34417 | 1360 |
tmp = FloatMath.max(1, |
1361 |
((numCrossings >> stroking) - 1)); |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1362 |
rdrCtx.stats.hist_tile_generator_encoding_dist |
34417 | 1363 |
.add(maxX / tmp); |
1364 |
} |
|
1365 |
} |
|
1366 |
} else { |
|
1367 |
_cache.clearAARow(lastY); |
|
1368 |
} |
|
1369 |
minX = _MAX_VALUE; |
|
1370 |
maxX = _MIN_VALUE; |
|
1371 |
} |
|
1372 |
} // scan line iterator |
|
1373 |
||
1374 |
// Emit final row |
|
1375 |
y--; |
|
1376 |
y >>= _SUBPIXEL_LG_POSITIONS_Y; |
|
1377 |
||
1378 |
// convert subpixel to pixel coordinate within boundaries: |
|
1379 |
minX = FloatMath.max(minX, bboxx0) >> _SUBPIXEL_LG_POSITIONS_X; |
|
1380 |
maxX = FloatMath.min(maxX, bboxx1) >> _SUBPIXEL_LG_POSITIONS_X; |
|
1381 |
||
1382 |
if (maxX >= minX) { |
|
1383 |
// note: alpha array will be zeroed by copyAARow() |
|
1384 |
// +2 because alpha [pix_minX; pix_maxX+1] |
|
1385 |
// fix range [x0; x1[ |
|
1386 |
copyAARow(_alpha, y, minX, maxX + 2, useBlkFlags); |
|
1387 |
} else if (y != lastY) { |
|
1388 |
_cache.clearAARow(y); |
|
1389 |
} |
|
1390 |
||
1391 |
// update member: |
|
1392 |
edgeCount = numCrossings; |
|
1393 |
prevUseBlkFlags = useBlkFlags; |
|
1394 |
||
39519
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parents:
36457
diff
changeset
|
1395 |
if (DO_STATS) { |
34417 | 1396 |
// update max used mark |
1397 |
activeEdgeMaxUsed = _arrayMaxUsed; |
|
1398 |
} |
|
1399 |
} |
|
1400 |
||
1401 |
boolean endRendering() { |
|
39519
21bfc4452441
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parents:
36457
diff
changeset
|
1402 |
if (DO_MONITORS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1403 |
rdrCtx.stats.mon_rdr_endRendering.start(); |
34417 | 1404 |
} |
36446
c06d6e681158
8149338: JVM Crash caused by Marlin renderer not handling NaN coordinates
lbourges
parents:
35688
diff
changeset
|
1405 |
if (edgeMinY == Integer.MAX_VALUE) { |
34417 | 1406 |
return false; // undefined edges bounds |
1407 |
} |
|
1408 |
||
1409 |
final int _boundsMinY = boundsMinY; |
|
1410 |
final int _boundsMaxY = boundsMaxY; |
|
1411 |
||
1412 |
// bounds as inclusive intervals |
|
1413 |
final int spminX = FloatMath.max(FloatMath.ceil_int(edgeMinX - 0.5f), boundsMinX); |
|
1414 |
final int spmaxX = FloatMath.min(FloatMath.ceil_int(edgeMaxX - 0.5f), boundsMaxX - 1); |
|
1415 |
||
36446
c06d6e681158
8149338: JVM Crash caused by Marlin renderer not handling NaN coordinates
lbourges
parents:
35688
diff
changeset
|
1416 |
// edge Min/Max Y are already rounded to subpixels within bounds: |
c06d6e681158
8149338: JVM Crash caused by Marlin renderer not handling NaN coordinates
lbourges
parents:
35688
diff
changeset
|
1417 |
final int spminY = edgeMinY; |
34417 | 1418 |
final int spmaxY; |
36446
c06d6e681158
8149338: JVM Crash caused by Marlin renderer not handling NaN coordinates
lbourges
parents:
35688
diff
changeset
|
1419 |
int maxY = edgeMaxY; |
34417 | 1420 |
|
1421 |
if (maxY <= _boundsMaxY - 1) { |
|
1422 |
spmaxY = maxY; |
|
1423 |
} else { |
|
1424 |
spmaxY = _boundsMaxY - 1; |
|
1425 |
maxY = _boundsMaxY; |
|
1426 |
} |
|
1427 |
buckets_minY = spminY - _boundsMinY; |
|
1428 |
buckets_maxY = maxY - _boundsMinY; |
|
1429 |
||
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1430 |
if (DO_LOG_BOUNDS) { |
34417 | 1431 |
MarlinUtils.logInfo("edgesXY = [" + edgeMinX + " ... " + edgeMaxX |
1432 |
+ "][" + edgeMinY + " ... " + edgeMaxY + "]"); |
|
1433 |
MarlinUtils.logInfo("spXY = [" + spminX + " ... " + spmaxX |
|
1434 |
+ "][" + spminY + " ... " + spmaxY + "]"); |
|
1435 |
} |
|
1436 |
||
1437 |
// test clipping for shapes out of bounds |
|
1438 |
if ((spminX > spmaxX) || (spminY > spmaxY)) { |
|
1439 |
return false; |
|
1440 |
} |
|
1441 |
||
1442 |
// half open intervals |
|
1443 |
// inclusive: |
|
1444 |
final int pminX = spminX >> SUBPIXEL_LG_POSITIONS_X; |
|
1445 |
// exclusive: |
|
1446 |
final int pmaxX = (spmaxX + SUBPIXEL_MASK_X) >> SUBPIXEL_LG_POSITIONS_X; |
|
1447 |
// inclusive: |
|
1448 |
final int pminY = spminY >> SUBPIXEL_LG_POSITIONS_Y; |
|
1449 |
// exclusive: |
|
1450 |
final int pmaxY = (spmaxY + SUBPIXEL_MASK_Y) >> SUBPIXEL_LG_POSITIONS_Y; |
|
1451 |
||
1452 |
// store BBox to answer ptg.getBBox(): |
|
1453 |
this.cache.init(pminX, pminY, pmaxX, pmaxY, edgeSumDeltaY); |
|
1454 |
||
1455 |
// Heuristics for using block flags: |
|
1456 |
if (ENABLE_BLOCK_FLAGS) { |
|
1457 |
enableBlkFlags = this.cache.useRLE; |
|
1458 |
prevUseBlkFlags = enableBlkFlags && !ENABLE_BLOCK_FLAGS_HEURISTICS; |
|
1459 |
||
1460 |
if (enableBlkFlags) { |
|
1461 |
// ensure blockFlags array is large enough: |
|
1462 |
// note: +2 to ensure enough space left at end |
|
1463 |
final int nxTiles = ((pmaxX - pminX) >> TILE_SIZE_LG) + 2; |
|
1464 |
if (nxTiles > INITIAL_ARRAY) { |
|
1465 |
blkFlags = rdrCtx.getIntArray(nxTiles); |
|
1466 |
} |
|
1467 |
} |
|
1468 |
} |
|
1469 |
||
1470 |
// memorize the rendering bounding box: |
|
1471 |
/* note: bbox_spminX and bbox_spmaxX must be pixel boundaries |
|
1472 |
to have correct coverage computation */ |
|
1473 |
// inclusive: |
|
1474 |
bbox_spminX = pminX << SUBPIXEL_LG_POSITIONS_X; |
|
1475 |
// exclusive: |
|
1476 |
bbox_spmaxX = pmaxX << SUBPIXEL_LG_POSITIONS_X; |
|
1477 |
// inclusive: |
|
1478 |
bbox_spminY = spminY; |
|
1479 |
// exclusive: |
|
1480 |
bbox_spmaxY = FloatMath.min(spmaxY + 1, pmaxY << SUBPIXEL_LG_POSITIONS_Y); |
|
1481 |
||
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1482 |
if (DO_LOG_BOUNDS) { |
34417 | 1483 |
MarlinUtils.logInfo("pXY = [" + pminX + " ... " + pmaxX |
1484 |
+ "[ [" + pminY + " ... " + pmaxY + "["); |
|
1485 |
MarlinUtils.logInfo("bbox_spXY = [" + bbox_spminX + " ... " |
|
1486 |
+ bbox_spmaxX + "[ [" + bbox_spminY + " ... " |
|
1487 |
+ bbox_spmaxY + "["); |
|
1488 |
} |
|
1489 |
||
1490 |
// Prepare alpha line: |
|
1491 |
// add 2 to better deal with the last pixel in a pixel row. |
|
1492 |
final int width = (pmaxX - pminX) + 2; |
|
1493 |
||
1494 |
// Useful when processing tile line by tile line |
|
1495 |
if (width > INITIAL_AA_ARRAY) { |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1496 |
if (DO_STATS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1497 |
rdrCtx.stats.stat_array_renderer_alphaline |
34417 | 1498 |
.add(width); |
1499 |
} |
|
1500 |
alphaLine = rdrCtx.getIntArray(width); |
|
1501 |
} |
|
1502 |
||
1503 |
// process first tile line: |
|
1504 |
endRendering(pminY); |
|
1505 |
||
1506 |
return true; |
|
1507 |
} |
|
1508 |
||
1509 |
private int bbox_spminX, bbox_spmaxX, bbox_spminY, bbox_spmaxY; |
|
1510 |
||
1511 |
void endRendering(final int pminY) { |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1512 |
if (DO_MONITORS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1513 |
rdrCtx.stats.mon_rdr_endRendering_Y.start(); |
34417 | 1514 |
} |
1515 |
||
1516 |
final int spminY = pminY << SUBPIXEL_LG_POSITIONS_Y; |
|
1517 |
final int fixed_spminY = FloatMath.max(bbox_spminY, spminY); |
|
1518 |
||
1519 |
// avoid rendering for last call to nextTile() |
|
1520 |
if (fixed_spminY < bbox_spmaxY) { |
|
1521 |
// process a complete tile line ie scanlines for 32 rows |
|
1522 |
final int spmaxY = FloatMath.min(bbox_spmaxY, spminY + SUBPIXEL_TILE); |
|
1523 |
||
1524 |
// process tile line [0 - 32] |
|
1525 |
cache.resetTileLine(pminY); |
|
1526 |
||
1527 |
// Process only one tile line: |
|
1528 |
_endRendering(fixed_spminY, spmaxY); |
|
1529 |
} |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1530 |
if (DO_MONITORS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1531 |
rdrCtx.stats.mon_rdr_endRendering_Y.stop(); |
34417 | 1532 |
} |
1533 |
} |
|
1534 |
||
1535 |
private boolean enableBlkFlags = false; |
|
1536 |
private boolean prevUseBlkFlags = false; |
|
1537 |
||
1538 |
private final int[] blkFlags_initial = new int[INITIAL_ARRAY]; // 1 tile line |
|
1539 |
/* block flags (0|1) */ |
|
1540 |
private int[] blkFlags = blkFlags_initial; |
|
1541 |
||
1542 |
void copyAARow(final int[] alphaRow, |
|
1543 |
final int pix_y, final int pix_from, final int pix_to, |
|
1544 |
final boolean useBlockFlags) |
|
1545 |
{ |
|
1546 |
if (useBlockFlags) { |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1547 |
if (DO_STATS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1548 |
rdrCtx.stats.hist_tile_generator_encoding.add(1); |
34417 | 1549 |
} |
1550 |
cache.copyAARowRLE_WithBlockFlags(blkFlags, alphaRow, pix_y, pix_from, pix_to); |
|
1551 |
} else { |
|
39519
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1552 |
if (DO_STATS) { |
21bfc4452441
8159093: Fix coding conventions in Marlin renderer
lbourges
parents:
36457
diff
changeset
|
1553 |
rdrCtx.stats.hist_tile_generator_encoding.add(0); |
34417 | 1554 |
} |
1555 |
cache.copyAARowNoRLE(alphaRow, pix_y, pix_from, pix_to); |
|
1556 |
} |
|
1557 |
} |
|
1558 |
} |