chromium/third_party/skia/src/gpu/ganesh/ops/RegionOp.cpp

/*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "src/gpu/ganesh/ops/RegionOp.h"

#include "include/core/SkMatrix.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRegion.h"
#include "include/core/SkString.h"
#include "include/gpu/ganesh/GrRecordingContext.h"
#include "include/private/SkColorData.h"
#include "include/private/base/SkDebug.h"
#include "include/private/base/SkTArray.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/base/SkSafeMath.h"
#include "src/gpu/BufferWriter.h"
#include "src/gpu/ganesh/GrAppliedClip.h"
#include "src/gpu/ganesh/GrDefaultGeoProcFactory.h"
#include "src/gpu/ganesh/GrGeometryProcessor.h"
#include "src/gpu/ganesh/GrOpFlushState.h"
#include "src/gpu/ganesh/GrPaint.h"
#include "src/gpu/ganesh/GrProcessorAnalysis.h"
#include "src/gpu/ganesh/GrProcessorSet.h"
#include "src/gpu/ganesh/GrProgramInfo.h"
#include "src/gpu/ganesh/ops/GrMeshDrawOp.h"
#include "src/gpu/ganesh/ops/GrSimpleMeshDrawOpHelperWithStencil.h"

#if defined(GPU_TEST_UTILS)
#include "src/base/SkRandom.h"
#include "src/gpu/ganesh/GrDrawOpTest.h"
#include "src/gpu/ganesh/GrTestUtils.h"
#endif

#include <utility>

class GrCaps;
class GrDstProxyView;
class GrMeshDrawTarget;
class GrSurfaceProxyView;
class SkArenaAlloc;
enum class GrXferBarrierFlags;
struct GrSimpleMesh;

namespace skgpu::ganesh {
class SurfaceDrawContext;
}

usingnamespaceskia_private;

namespace skgpu::ganesh::RegionOp {

namespace {

GrGeometryProcessor* make_gp(SkArenaAlloc* arena,
                                    const SkMatrix& viewMatrix,
                                    bool wideColor) { … }

class RegionOpImpl final : public GrMeshDrawOp { … };

}  // anonymous namespace

GrOp::Owner Make(GrRecordingContext* context,
                 GrPaint&& paint,
                 const SkMatrix& viewMatrix,
                 const SkRegion& region,
                 GrAAType aaType,
                 const GrUserStencilSettings* stencilSettings) { … }

}  // namespace skgpu::ganesh::RegionOp

#if defined(GPU_TEST_UTILS)

GR_DRAW_OP_TEST_DEFINE(RegionOp) {
    SkRegion region;
    int n = random->nextULessThan(200);
    for (int i = 0; i < n; ++i) {
        SkIPoint center;
        center.fX = random->nextULessThan(1000);
        center.fY = random->nextULessThan(1000);
        int w = random->nextRangeU(10, 1000);
        int h = random->nextRangeU(10, 1000);
        SkIRect rect = {center.fX - w / 2, center.fY - h / 2, center.fX + w / 2, center.fY + h / 2};
        SkRegion::Op op;
        if (i == 0) {
            op = SkRegion::kReplace_Op;
        } else {
            // Pick an other than replace.
            static_assert(SkRegion::kLastOp == SkRegion::kReplace_Op);
            op = (SkRegion::Op)random->nextULessThan(SkRegion::kLastOp);
        }
        region.op(rect, op);
    }
    SkMatrix viewMatrix = GrTest::TestMatrix(random);
    GrAAType aaType = GrAAType::kNone;
    if (numSamples > 1 && random->nextBool()) {
        aaType = GrAAType::kMSAA;
    }
    return skgpu::ganesh::RegionOp::RegionOpImpl::Make(context,
                                                       std::move(paint),
                                                       viewMatrix,
                                                       region,
                                                       aaType,
                                                       GrGetRandomStencil(random, context));
}

#endif // defined(GPU_TEST_UTILS)