DrawAtlasOp.cpp | Explore in Territory

/*
 * Copyright 2015 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/DrawAtlasOp.h"

#include "include/core/SkMatrix.h"
#include "include/core/SkRSXform.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkString.h"
#include "include/private/SkColorData.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkDebug.h"
#include "include/private/base/SkMath.h"
#include "include/private/base/SkPoint_impl.h"
#include "include/private/base/SkTArray.h"
#include "include/private/base/SkTo.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/base/SkRandom.h"
#include "src/base/SkSafeMath.h"
#include "src/core/SkMatrixPriv.h"
#include "src/core/SkRectPriv.h"
#include "src/gpu/ganesh/GrAppliedClip.h"
#include "src/gpu/ganesh/GrCaps.h"
#include "src/gpu/ganesh/GrColor.h"
#include "src/gpu/ganesh/GrDefaultGeoProcFactory.h"
#include "src/gpu/ganesh/GrDrawOpTest.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/GrTestUtils.h"
#include "src/gpu/ganesh/SkGr.h"
#include "src/gpu/ganesh/ops/GrDrawOp.h"
#include "src/gpu/ganesh/ops/GrMeshDrawOp.h"
#include "src/gpu/ganesh/ops/GrSimpleMeshDrawOpHelper.h"

#include <cstdint>
#include <cstring>
#include <utility>

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

namespace skgpu::ganesh {
class SurfaceDrawContext;
}

usingnamespaceskia_private;

namespace {

class DrawAtlasOpImpl final : public GrMeshDrawOp { … };

GrGeometryProcessor* make_gp(SkArenaAlloc* arena,
                             bool hasColors,
                             const SkPMColor4f& color,
                             const SkMatrix& viewMatrix) { … }

DrawAtlasOpImpl::DrawAtlasOpImpl(GrProcessorSet* processorSet, const SkPMColor4f& color,
                                 const SkMatrix& viewMatrix, GrAAType aaType, int spriteCount,
                                 const SkRSXform* xforms, const SkRect* rects,
                                 const SkColor* colors)
        : … { … }

#if defined(GPU_TEST_UTILS)
SkString DrawAtlasOpImpl::onDumpInfo() const {
    SkString string;
    for (const auto& geo : fGeoData) {
        string.appendf("Color: 0x%08x, Quads: %d\n", geo.fColor.toBytes_RGBA(),
                       geo.fVerts.size() / 4);
    }
    string += fHelper.dumpInfo();
    return string;
}
#endif

void DrawAtlasOpImpl::onCreateProgramInfo(const GrCaps* caps,
                                          SkArenaAlloc* arena,
                                          const GrSurfaceProxyView& writeView,
                                          bool usesMSAASurface,
                                          GrAppliedClip&& appliedClip,
                                          const GrDstProxyView& dstProxyView,
                                          GrXferBarrierFlags renderPassXferBarriers,
                                          GrLoadOp colorLoadOp) { … }

void DrawAtlasOpImpl::onPrepareDraws(GrMeshDrawTarget* target) { … }

void DrawAtlasOpImpl::onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) { … }

GrOp::CombineResult DrawAtlasOpImpl::onCombineIfPossible(GrOp* t,
                                                         SkArenaAlloc*,
                                                         const GrCaps& caps) { … }

GrDrawOp::FixedFunctionFlags DrawAtlasOpImpl::fixedFunctionFlags() const { … }

GrProcessorSet::Analysis DrawAtlasOpImpl::finalize(const GrCaps& caps,
                                                   const GrAppliedClip* clip,
                                                   GrClampType clampType) { … }

} // anonymous namespace

namespace skgpu::ganesh::DrawAtlasOp {

GrOp::Owner Make(GrRecordingContext* context,
                 GrPaint&& paint,
                 const SkMatrix& viewMatrix,
                 GrAAType aaType,
                 int spriteCount,
                 const SkRSXform* xforms,
                 const SkRect* rects,
                 const SkColor* colors) { … }

}  // namespace skgpu::ganesh::DrawAtlasOp

#if defined(GPU_TEST_UTILS)

static SkRSXform random_xform(SkRandom* random) {
    static const SkScalar kMinExtent = -100.f;
    static const SkScalar kMaxExtent = 100.f;
    static const SkScalar kMinScale = 0.1f;
    static const SkScalar kMaxScale = 100.f;
    static const SkScalar kMinRotate = -SK_ScalarPI;
    static const SkScalar kMaxRotate = SK_ScalarPI;

    SkRSXform xform = SkRSXform::MakeFromRadians(random->nextRangeScalar(kMinScale, kMaxScale),
                                                 random->nextRangeScalar(kMinRotate, kMaxRotate),
                                                 random->nextRangeScalar(kMinExtent, kMaxExtent),
                                                 random->nextRangeScalar(kMinExtent, kMaxExtent),
                                                 random->nextRangeScalar(kMinExtent, kMaxExtent),
                                                 random->nextRangeScalar(kMinExtent, kMaxExtent));
    return xform;
}

static SkRect random_texRect(SkRandom* random) {
    static const SkScalar kMinCoord = 0.0f;
    static const SkScalar kMaxCoord = 1024.f;

    SkRect texRect = SkRect::MakeLTRB(random->nextRangeScalar(kMinCoord, kMaxCoord),
                                      random->nextRangeScalar(kMinCoord, kMaxCoord),
                                      random->nextRangeScalar(kMinCoord, kMaxCoord),
                                      random->nextRangeScalar(kMinCoord, kMaxCoord));
    texRect.sort();
    return texRect;
}

static void randomize_params(uint32_t count, SkRandom* random, TArray<SkRSXform>* xforms,
                             TArray<SkRect>* texRects, TArray<GrColor>* colors,
                             bool hasColors) {
    for (uint32_t v = 0; v < count; v++) {
        xforms->push_back(random_xform(random));
        texRects->push_back(random_texRect(random));
        if (hasColors) {
            colors->push_back(GrTest::RandomColor(random));
        }
    }
}

GR_DRAW_OP_TEST_DEFINE(DrawAtlasOp) {
    uint32_t spriteCount = random->nextRangeU(1, 100);

    TArray<SkRSXform> xforms(spriteCount);
    TArray<SkRect> texRects(spriteCount);
    TArray<GrColor> colors;

    bool hasColors = random->nextBool();

    randomize_params(spriteCount, random, &xforms, &texRects, &colors, hasColors);

    SkMatrix viewMatrix = GrTest::TestMatrix(random);
    GrAAType aaType = GrAAType::kNone;
    if (numSamples > 1 && random->nextBool()) {
        aaType = GrAAType::kMSAA;
    }

    return skgpu::ganesh::DrawAtlasOp::Make(context,
                                            std::move(paint),
                                            viewMatrix,
                                            aaType,
                                            spriteCount,
                                            xforms.begin(),
                                            texRects.begin(),
                                            hasColors ? colors.begin() : nullptr);
}

#endif
chromium/third_party/skia/src/gpu/ganesh/ops/DrawAtlasOp.cpp
