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

Issue 794843002: Revert of Remove GP from drawstate, revision of invariant output for GP (Closed) Base URL: https://skia.googlesource.com/skia.git@color-to-gp
Patch Set: Created 6 years ago
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1 1
2 /* 2 /*
3 * Copyright 2012 Google Inc. 3 * Copyright 2012 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "GrStencilAndCoverPathRenderer.h" 10 #include "GrStencilAndCoverPathRenderer.h"
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78 ctx->addResourceToCache(resourceKey, path); 78 ctx->addResourceToCache(resourceKey, path);
79 } 79 }
80 return path.detach(); 80 return path.detach();
81 } 81 }
82 82
83 void GrStencilAndCoverPathRenderer::onStencilPath(GrDrawTarget* target, 83 void GrStencilAndCoverPathRenderer::onStencilPath(GrDrawTarget* target,
84 GrDrawState* drawState, 84 GrDrawState* drawState,
85 const SkPath& path, 85 const SkPath& path,
86 const SkStrokeRec& stroke) { 86 const SkStrokeRec& stroke) {
87 SkASSERT(!path.isInverseFillType()); 87 SkASSERT(!path.isInverseFillType());
88 SkAutoTUnref<GrPathProcessor> pp(GrPathProcessor::Create(GrColor_WHITE));
89 SkAutoTUnref<GrPath> p(get_gr_path(fGpu, path, stroke)); 88 SkAutoTUnref<GrPath> p(get_gr_path(fGpu, path, stroke));
90 target->stencilPath(drawState, pp, p, convert_skpath_filltype(path.getFillTy pe())); 89 target->stencilPath(drawState, p, convert_skpath_filltype(path.getFillType() ));
91 } 90 }
92 91
93 bool GrStencilAndCoverPathRenderer::onDrawPath(GrDrawTarget* target, 92 bool GrStencilAndCoverPathRenderer::onDrawPath(GrDrawTarget* target,
94 GrDrawState* drawState, 93 GrDrawState* drawState,
95 GrColor color, 94 GrColor color,
96 const SkPath& path, 95 const SkPath& path,
97 const SkStrokeRec& stroke, 96 const SkStrokeRec& stroke,
98 bool antiAlias) { 97 bool antiAlias) {
99 SkASSERT(!antiAlias); 98 SkASSERT(!antiAlias);
100 SkASSERT(!stroke.isHairlineStyle()); 99 SkASSERT(!stroke.isHairlineStyle());
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111 // outside the clip. So we can't just fill where the user bits are 0 . We also need to 110 // outside the clip. So we can't just fill where the user bits are 0 . We also need to
112 // check that the clip bit is set. 111 // check that the clip bit is set.
113 kEqualIfInClip_StencilFunc, 112 kEqualIfInClip_StencilFunc,
114 0xffff, 113 0xffff,
115 0x0000, 114 0x0000,
116 0xffff); 115 0xffff);
117 116
118 drawState->setStencil(kInvertedStencilPass); 117 drawState->setStencil(kInvertedStencilPass);
119 118
120 // fake inverse with a stencil and cover 119 // fake inverse with a stencil and cover
121 SkAutoTUnref<GrPathProcessor> pp(GrPathProcessor::Create(GrColor_WHITE)) ; 120 target->stencilPath(drawState, p, convert_skpath_filltype(path.getFillTy pe()));
122 target->stencilPath(drawState, pp, p, convert_skpath_filltype(path.getFi llType()));
123 121
124 GrDrawState::AutoViewMatrixRestore avmr; 122 GrDrawState::AutoViewMatrixRestore avmr;
125 SkRect bounds = SkRect::MakeLTRB(0, 0, 123 SkRect bounds = SkRect::MakeLTRB(0, 0,
126 SkIntToScalar(drawState->getRenderTarge t()->width()), 124 SkIntToScalar(drawState->getRenderTarge t()->width()),
127 SkIntToScalar(drawState->getRenderTarge t()->height())); 125 SkIntToScalar(drawState->getRenderTarge t()->height()));
128 SkMatrix vmi; 126 SkMatrix vmi;
129 // mapRect through persp matrix may not be correct 127 // mapRect through persp matrix may not be correct
130 if (!drawState->getViewMatrix().hasPerspective() && drawState->getViewIn verse(&vmi)) { 128 if (!drawState->getViewMatrix().hasPerspective() && drawState->getViewIn verse(&vmi)) {
131 vmi.mapRect(&bounds); 129 vmi.mapRect(&bounds);
132 // theoretically could set bloat = 0, instead leave it because of ma trix inversion 130 // theoretically could set bloat = 0, instead leave it because of ma trix inversion
133 // precision. 131 // precision.
134 SkScalar bloat = drawState->getViewMatrix().getMaxScale() * SK_Scala rHalf; 132 SkScalar bloat = drawState->getViewMatrix().getMaxScale() * SK_Scala rHalf;
135 bounds.outset(bloat, bloat); 133 bounds.outset(bloat, bloat);
136 } else { 134 } else {
137 avmr.setIdentity(drawState); 135 avmr.setIdentity(drawState);
138 } 136 }
139 target->drawSimpleRect(drawState, color, bounds); 137 target->drawSimpleRect(drawState, color, bounds);
140 } else { 138 } else {
141 GR_STATIC_CONST_SAME_STENCIL(kStencilPass, 139 GR_STATIC_CONST_SAME_STENCIL(kStencilPass,
142 kZero_StencilOp, 140 kZero_StencilOp,
143 kZero_StencilOp, 141 kZero_StencilOp,
144 kNotEqual_StencilFunc, 142 kNotEqual_StencilFunc,
145 0xffff, 143 0xffff,
146 0x0000, 144 0x0000,
147 0xffff); 145 0xffff);
148 146
149 drawState->setStencil(kStencilPass); 147 drawState->setStencil(kStencilPass);
150 SkAutoTUnref<GrPathProcessor> pp(GrPathProcessor::Create(color)); 148 target->drawPath(drawState, color, p, convert_skpath_filltype(path.getFi llType()));
151 target->drawPath(drawState, pp, p, convert_skpath_filltype(path.getFillT ype()));
152 } 149 }
153 150
154 drawState->stencil()->setDisabled(); 151 drawState->stencil()->setDisabled();
155 return true; 152 return true;
156 } 153 }
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