chromium/third_party/skia/src/gpu/ganesh/effects/GrBitmapTextGeoProc.cpp

/*
 * Copyright 2013 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/effects/GrBitmapTextGeoProc.h"

#include "include/core/SkSamplingOptions.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkMath.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/base/SkRandom.h"
#include "src/core/SkSLTypeShared.h"
#include "src/gpu/AtlasTypes.h"
#include "src/gpu/KeyBuilder.h"
#include "src/gpu/ganesh/GrCaps.h"
#include "src/gpu/ganesh/GrColor.h"
#include "src/gpu/ganesh/GrShaderCaps.h"
#include "src/gpu/ganesh/GrShaderVar.h"
#include "src/gpu/ganesh/GrSurfaceProxy.h"
#include "src/gpu/ganesh/GrSurfaceProxyView.h"
#include "src/gpu/ganesh/GrTestUtils.h"
#include "src/gpu/ganesh/effects/GrAtlasedShaderHelpers.h"
#include "src/gpu/ganesh/glsl/GrGLSLColorSpaceXformHelper.h"
#include "src/gpu/ganesh/glsl/GrGLSLFragmentShaderBuilder.h"
#include "src/gpu/ganesh/glsl/GrGLSLProgramDataManager.h"
#include "src/gpu/ganesh/glsl/GrGLSLUniformHandler.h"
#include "src/gpu/ganesh/glsl/GrGLSLVarying.h"

#include <algorithm>

class GrGLSLVertexBuilder;

MaskFormat;

class GrBitmapTextGeoProc::Impl : public ProgramImpl { … };

///////////////////////////////////////////////////////////////////////////////

GrBitmapTextGeoProc::GrBitmapTextGeoProc(const GrShaderCaps& caps,
                                         const SkPMColor4f& color,
                                         bool wideColor,
                                         sk_sp<GrColorSpaceXform> colorSpaceXform,
                                         const GrSurfaceProxyView* views,
                                         int numActiveViews,
                                         GrSamplerState params,
                                         MaskFormat format,
                                         const SkMatrix& localMatrix,
                                         bool usesW)
        : … { … }

void GrBitmapTextGeoProc::addNewViews(const GrSurfaceProxyView* views,
                                      int numActiveViews,
                                      GrSamplerState params) { … }

void GrBitmapTextGeoProc::addToKey(const GrShaderCaps& caps, skgpu::KeyBuilder* b) const { … }

std::unique_ptr<GrGeometryProcessor::ProgramImpl> GrBitmapTextGeoProc::makeProgramImpl(
        const GrShaderCaps& caps) const { … }

///////////////////////////////////////////////////////////////////////////////

GR_DEFINE_GEOMETRY_PROCESSOR_TEST(…)

#if defined(GPU_TEST_UTILS)

GrGeometryProcessor* GrBitmapTextGeoProc::TestCreate(GrProcessorTestData* d) {
    auto [view, ct, at] = d->randomView();

    GrSamplerState::WrapMode wrapModes[2];
    GrTest::TestWrapModes(d->fRandom, wrapModes);
    GrSamplerState samplerState(wrapModes, d->fRandom->nextBool()
                                                   ? GrSamplerState::Filter::kLinear
                                                   : GrSamplerState::Filter::kNearest);

    MaskFormat format;
    switch (ct) {
        case GrColorType::kAlpha_8:
            format = MaskFormat::kA8;
            break;
        case GrColorType::kBGR_565:
            format = MaskFormat::kA565;
            break;
        case GrColorType::kRGBA_8888:
        default:  // It doesn't really matter that color type and mask format agree.
            format = MaskFormat::kARGB;
            break;
    }

    GrColor color = GrTest::RandomColor(d->fRandom);
    bool wideColor = d->fRandom->nextBool();
    SkMatrix localMatrix = GrTest::TestMatrix(d->fRandom);
    bool usesW = d->fRandom->nextBool();
    return GrBitmapTextGeoProc::Make(d->allocator(), *d->caps()->shaderCaps(),
                                     SkPMColor4f::FromBytes_RGBA(color),
                                     wideColor, /*colorSpaceXform=*/nullptr,
                                     &view, 1, samplerState, format,
                                     localMatrix, usesW);
}
#endif