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Side by Side Diff: src/gpu/GrAAHairLinePathRenderer.cpp

Issue 544233002: "NULL !=" = NULL (Closed) Base URL: https://skia.googlesource.com/skia.git@are
Patch Set: rebase Created 6 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "GrAAHairLinePathRenderer.h" 8 #include "GrAAHairLinePathRenderer.h"
9 9
10 #include "GrContext.h" 10 #include "GrContext.h"
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677 (*vert)[1].fCoverage = coverage; 677 (*vert)[1].fCoverage = coverage;
678 (*vert)[2].fPos = a - vec + ortho; 678 (*vert)[2].fPos = a - vec + ortho;
679 (*vert)[2].fCoverage = 0; 679 (*vert)[2].fCoverage = 0;
680 (*vert)[3].fPos = b + vec + ortho; 680 (*vert)[3].fPos = b + vec + ortho;
681 (*vert)[3].fCoverage = 0; 681 (*vert)[3].fCoverage = 0;
682 (*vert)[4].fPos = a - vec - ortho; 682 (*vert)[4].fPos = a - vec - ortho;
683 (*vert)[4].fCoverage = 0; 683 (*vert)[4].fCoverage = 0;
684 (*vert)[5].fPos = b + vec - ortho; 684 (*vert)[5].fPos = b + vec - ortho;
685 (*vert)[5].fCoverage = 0; 685 (*vert)[5].fCoverage = 0;
686 686
687 if (NULL != toSrc) { 687 if (toSrc) {
688 toSrc->mapPointsWithStride(&(*vert)->fPos, 688 toSrc->mapPointsWithStride(&(*vert)->fPos,
689 sizeof(LineVertex), 689 sizeof(LineVertex),
690 kVertsPerLineSeg); 690 kVertsPerLineSeg);
691 } 691 }
692 } else { 692 } else {
693 // just make it degenerate and likely offscreen 693 // just make it degenerate and likely offscreen
694 for (int i = 0; i < kVertsPerLineSeg; ++i) { 694 for (int i = 0; i < kVertsPerLineSeg; ++i) {
695 (*vert)[i].fPos.set(SK_ScalarMax, SK_ScalarMax); 695 (*vert)[i].fPos.set(SK_ScalarMax, SK_ScalarMax);
696 } 696 }
697 } 697 }
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801 // Seed the dev bounds with some pts known to be inside. Each quad and conic grows the bounding 801 // Seed the dev bounds with some pts known to be inside. Each quad and conic grows the bounding
802 // box to include its vertices. 802 // box to include its vertices.
803 SkPoint seedPts[2]; 803 SkPoint seedPts[2];
804 if (quadCnt) { 804 if (quadCnt) {
805 seedPts[0] = quads[0]; 805 seedPts[0] = quads[0];
806 seedPts[1] = quads[2]; 806 seedPts[1] = quads[2];
807 } else if (conicCnt) { 807 } else if (conicCnt) {
808 seedPts[0] = conics[0]; 808 seedPts[0] = conics[0];
809 seedPts[1] = conics[2]; 809 seedPts[1] = conics[2];
810 } 810 }
811 if (NULL != toDevice) { 811 if (toDevice) {
812 toDevice->mapPoints(seedPts, 2); 812 toDevice->mapPoints(seedPts, 2);
813 } 813 }
814 devBounds->set(seedPts[0], seedPts[1]); 814 devBounds->set(seedPts[0], seedPts[1]);
815 815
816 int unsubdivQuadCnt = quads.count() / 3; 816 int unsubdivQuadCnt = quads.count() / 3;
817 for (int i = 0; i < unsubdivQuadCnt; ++i) { 817 for (int i = 0; i < unsubdivQuadCnt; ++i) {
818 SkASSERT(qSubdivs[i] >= 0); 818 SkASSERT(qSubdivs[i] >= 0);
819 add_quads(&quads[3*i], qSubdivs[i], toDevice, toSrc, &verts, devBounds); 819 add_quads(&quads[3*i], qSubdivs[i], toDevice, toSrc, &verts, devBounds);
820 } 820 }
821 821
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992 992
993 static const int kEdgeAttrIndex = 1; 993 static const int kEdgeAttrIndex = 1;
994 994
995 // Check devBounds 995 // Check devBounds
996 SkASSERT(check_bounds<BezierVertex>(drawState, devBounds, arg.vertices() , 996 SkASSERT(check_bounds<BezierVertex>(drawState, devBounds, arg.vertices() ,
997 kVertsPerQuad * quadCnt + kVertsPerQ uad * conicCnt)); 997 kVertsPerQuad * quadCnt + kVertsPerQ uad * conicCnt));
998 998
999 if (quadCnt > 0) { 999 if (quadCnt > 0) {
1000 GrEffect* hairQuadEffect = GrQuadEffect::Create(kHairlineAA_GrEffect EdgeType, 1000 GrEffect* hairQuadEffect = GrQuadEffect::Create(kHairlineAA_GrEffect EdgeType,
1001 *target->caps()); 1001 *target->caps());
1002 SkASSERT(NULL != hairQuadEffect); 1002 SkASSERT(hairQuadEffect);
1003 GrDrawState::AutoRestoreEffects are(drawState); 1003 GrDrawState::AutoRestoreEffects are(drawState);
1004 target->setIndexSourceToBuffer(fQuadsIndexBuffer); 1004 target->setIndexSourceToBuffer(fQuadsIndexBuffer);
1005 drawState->setGeometryProcessor(hairQuadEffect, kEdgeAttrIndex)->unr ef(); 1005 drawState->setGeometryProcessor(hairQuadEffect, kEdgeAttrIndex)->unr ef();
1006 int quads = 0; 1006 int quads = 0;
1007 while (quads < quadCnt) { 1007 while (quads < quadCnt) {
1008 int n = SkTMin(quadCnt - quads, kNumQuadsInIdxBuffer); 1008 int n = SkTMin(quadCnt - quads, kNumQuadsInIdxBuffer);
1009 target->drawIndexed(kTriangles_GrPrimitiveType, 1009 target->drawIndexed(kTriangles_GrPrimitiveType,
1010 kVertsPerQuad*quads, // startV 1010 kVertsPerQuad*quads, // startV
1011 0, // startI 1011 0, // startI
1012 kVertsPerQuad*n, // vCount 1012 kVertsPerQuad*n, // vCount
1013 kIdxsPerQuad*n, // iCount 1013 kIdxsPerQuad*n, // iCount
1014 &devBounds); 1014 &devBounds);
1015 quads += n; 1015 quads += n;
1016 } 1016 }
1017 } 1017 }
1018 1018
1019 if (conicCnt > 0) { 1019 if (conicCnt > 0) {
1020 GrDrawState::AutoRestoreEffects are(drawState); 1020 GrDrawState::AutoRestoreEffects are(drawState);
1021 GrEffect* hairConicEffect = GrConicEffect::Create(kHairlineAA_GrEffe ctEdgeType, 1021 GrEffect* hairConicEffect = GrConicEffect::Create(kHairlineAA_GrEffe ctEdgeType,
1022 *target->caps()); 1022 *target->caps());
1023 SkASSERT(NULL != hairConicEffect); 1023 SkASSERT(hairConicEffect);
1024 drawState->setGeometryProcessor(hairConicEffect, 1, 2)->unref(); 1024 drawState->setGeometryProcessor(hairConicEffect, 1, 2)->unref();
1025 int conics = 0; 1025 int conics = 0;
1026 while (conics < conicCnt) { 1026 while (conics < conicCnt) {
1027 int n = SkTMin(conicCnt - conics, kNumQuadsInIdxBuffer); 1027 int n = SkTMin(conicCnt - conics, kNumQuadsInIdxBuffer);
1028 target->drawIndexed(kTriangles_GrPrimitiveType, 1028 target->drawIndexed(kTriangles_GrPrimitiveType,
1029 kVertsPerQuad*(quadCnt + conics), // startV 1029 kVertsPerQuad*(quadCnt + conics), // startV
1030 0, // startI 1030 0, // startI
1031 kVertsPerQuad*n, // vCount 1031 kVertsPerQuad*n, // vCount
1032 kIdxsPerQuad*n, // iCount 1032 kIdxsPerQuad*n, // iCount
1033 &devBounds); 1033 &devBounds);
1034 conics += n; 1034 conics += n;
1035 } 1035 }
1036 } 1036 }
1037 } 1037 }
1038 1038
1039 target->resetIndexSource(); 1039 target->resetIndexSource();
1040 1040
1041 return true; 1041 return true;
1042 } 1042 }
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