1 /*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkMatrix.h"
9 #include "include/core/SkTypeface.h"
10 #include "src/core/SkDescriptor.h"
11 #include "src/core/SkGlyph.h"
12 #include "src/core/SkScalerContext.h"
13 #include "src/gpu/GrGpu.h"
14 #include "src/gpu/GrPathRendering.h"
15 #include "src/gpu/GrProgramInfo.h"
16 #include "src/gpu/GrRenderTarget.h"
17
GetStencilPassSettings(FillType fill)18 const GrUserStencilSettings& GrPathRendering::GetStencilPassSettings(FillType fill) {
19 switch (fill) {
20 default:
21 SK_ABORT("Unexpected path fill.");
22 case GrPathRendering::kWinding_FillType: {
23 constexpr static GrUserStencilSettings kWindingStencilPass(
24 GrUserStencilSettings::StaticInit<
25 0xffff,
26 GrUserStencilTest::kAlwaysIfInClip,
27 0xffff,
28 GrUserStencilOp::kIncWrap,
29 GrUserStencilOp::kIncWrap,
30 0xffff>()
31 );
32 return kWindingStencilPass;
33 }
34 case GrPathRendering::kEvenOdd_FillType: {
35 constexpr static GrUserStencilSettings kEvenOddStencilPass(
36 GrUserStencilSettings::StaticInit<
37 0xffff,
38 GrUserStencilTest::kAlwaysIfInClip,
39 0xffff,
40 GrUserStencilOp::kInvert,
41 GrUserStencilOp::kInvert,
42 0xffff>()
43 );
44 return kEvenOddStencilPass;
45 }
46 }
47 }
48
stencilPath(const StencilPathArgs & args,const GrPath * path)49 void GrPathRendering::stencilPath(const StencilPathArgs& args, const GrPath* path) {
50 fGpu->handleDirtyContext();
51 this->onStencilPath(args, path);
52 }
53
drawPath(GrRenderTarget * renderTarget,const GrProgramInfo & programInfo,const GrStencilSettings & stencilPassSettings,const GrPath * path)54 void GrPathRendering::drawPath(GrRenderTarget* renderTarget,
55 const GrProgramInfo& programInfo,
56 // Cover pass settings in pipeline.
57 const GrStencilSettings& stencilPassSettings,
58 const GrPath* path) {
59 fGpu->handleDirtyContext();
60 if (auto barrierType = programInfo.pipeline().xferBarrierType(renderTarget->asTexture(),
61 *fGpu->caps())) {
62 fGpu->xferBarrier(renderTarget, barrierType);
63 }
64 this->onDrawPath(renderTarget, programInfo, stencilPassSettings, path);
65 }
66