C++ GrGLSLProgramDataManager类代码示例

    void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc,
                 FPCoordTransformIter&& transformIter) override {

        const GrDistanceFieldPathGeoProc& dfpgp = proc.cast<GrDistanceFieldPathGeoProc>();

        if (dfpgp.matrix().hasPerspective() && !fMatrix.cheapEqualTo(dfpgp.matrix())) {
            fMatrix = dfpgp.matrix();
            float matrix[3 * 3];
            GrGLSLGetMatrix<3>(matrix, fMatrix);
            pdman.setMatrix3f(fMatrixUniform, matrix);
        }

        SkASSERT(dfpgp.numTextureSamplers() >= 1);
        GrTexture* atlas = dfpgp.textureSampler(0).peekTexture();
        SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height()));

        if (fAtlasSize.fWidth != atlas->width() || fAtlasSize.fHeight != atlas->height()) {
            fAtlasSize.set(atlas->width(), atlas->height());
            pdman.set2f(fAtlasSizeInvUniform, 1.0f / atlas->width(), 1.0f / atlas->height());
        }

        if (dfpgp.matrix().hasPerspective()) {
            this->setTransformDataHelper(SkMatrix::I(), pdman, &transformIter);
        } else {
            this->setTransformDataHelper(dfpgp.matrix(), pdman, &transformIter);
        }
    }

void GrGLMorphologyEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                     const GrProcessor& proc) {
    const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>();
    GrTexture& texture = *m.texture(0);

    float pixelSize = 0.0f;
    switch (m.direction()) {
        case Gr1DKernelEffect::kX_Direction:
            pixelSize = 1.0f / texture.width();
            break;
        case Gr1DKernelEffect::kY_Direction:
            pixelSize = 1.0f / texture.height();
            break;
        default:
            SkFAIL("Unknown filter direction.");
    }
    pdman.set1f(fPixelSizeUni, pixelSize);

    if (m.useRange()) {
        const float* range = m.range();
        if (m.direction() && texture.origin() == kBottomLeft_GrSurfaceOrigin) {
            pdman.set2f(fRangeUni, 1.0f - range[1], 1.0f - range[0]);
        } else {
            pdman.set2f(fRangeUni, range[0], range[1]);
        }
    }
}

void GrGLConvolutionEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                      const GrProcessor& processor) {
    const GrConvolutionEffect& conv = processor.cast<GrConvolutionEffect>();
    GrTexture& texture = *conv.texture(0);

    float imageIncrement[2] = { 0 };
    float ySign = texture.origin() != kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f;
    switch (conv.direction()) {
        case Gr1DKernelEffect::kX_Direction:
            imageIncrement[0] = 1.0f / texture.width();
            break;
        case Gr1DKernelEffect::kY_Direction:
            imageIncrement[1] = ySign / texture.height();
            break;
        default:
            SkFAIL("Unknown filter direction.");
    }
    pdman.set2fv(fImageIncrementUni, 1, imageIncrement);
    if (conv.useBounds()) {
        const float* bounds = conv.bounds();
        if (Gr1DKernelEffect::kY_Direction == conv.direction() &&
            texture.origin() != kTopLeft_GrSurfaceOrigin) {
            pdman.set2f(fBoundsUni, 1.0f - bounds[1], 1.0f - bounds[0]);
        } else {
            pdman.set2f(fBoundsUni, bounds[0], bounds[1]);
        }
    }
    int width = Gr1DKernelEffect::WidthFromRadius(conv.radius());

    int arrayCount = (width + 3) / 4;
    SkASSERT(4 * arrayCount >= width);
    pdman.set4fv(fKernelUni, arrayCount, conv.kernel());
}

void GrColorCubeEffect::GLSLProcessor::onSetData(const GrGLSLProgramDataManager& pdman,
                                                 const GrProcessor& proc) {
    const GrColorCubeEffect& colorCube = proc.cast<GrColorCubeEffect>();
    SkScalar size = SkIntToScalar(colorCube.colorCubeSize());
    pdman.set1f(fColorCubeSizeUni, SkScalarToFloat(size));
    pdman.set1f(fColorCubeInvSizeUni, SkScalarToFloat(SkScalarInvert(size)));
}

    void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& primProc,
                 FPCoordTransformIter&& transformIter) override {
        const GrCubicEffect& ce = primProc.cast<GrCubicEffect>();

        if (!ce.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(ce.viewMatrix())) {
            fViewMatrix = ce.viewMatrix();
            float viewMatrix[3 * 3];
            GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix);
            pdman.setMatrix3f(fViewMatrixUniform, viewMatrix);
        }

        if (!fDevKLMMatrix.cheapEqualTo(ce.devKLMMatrix())) {
            fDevKLMMatrix = ce.devKLMMatrix();
            float devKLMMatrix[3 * 3];
            GrGLSLGetMatrix<3>(devKLMMatrix, fDevKLMMatrix);
            pdman.setMatrix3f(fDevKLMUniform, devKLMMatrix);
        }

        if (ce.color() != fColor) {
            float c[4];
            GrColorToRGBAFloat(ce.color(), c);
            pdman.set4fv(fColorUniform, 1, c);
            fColor = ce.color();
        }

        this->setTransformDataHelper(SkMatrix::I(), pdman, &transformIter);
    }

void GrGLMorphologyEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                     const GrProcessor& proc) {
    const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>();
    GrTexture& texture = *m.texture(0);
    // the code we generated was for a specific kernel radius, direction and bound usage
    SkASSERT(m.radius() == fRadius);
    SkASSERT(m.direction() == fDirection);
    SkASSERT(m.useRange() == fUseRange);

    float pixelSize = 0.0f;
    switch (fDirection) {
    case Gr1DKernelEffect::kX_Direction:
        pixelSize = 1.0f / texture.width();
        break;
    case Gr1DKernelEffect::kY_Direction:
        pixelSize = 1.0f / texture.height();
        break;
    default:
        SkFAIL("Unknown filter direction.");
    }
    pdman.set1f(fPixelSizeUni, pixelSize);

    if (fUseRange) {
        const float* range = m.range();
        if (fDirection && texture.origin() == kBottomLeft_GrSurfaceOrigin) {
            pdman.set2f(fRangeUni, 1.0f - range[1], 1.0f - range[0]);
        } else {
            pdman.set2f(fRangeUni, range[0], range[1]);
        }
    }
}

void GrGLMorphologyEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                     const GrFragmentProcessor& proc) {
    const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>();
    GrSurfaceProxy* proxy = m.textureSampler(0).proxy();
    GrTexture& texture = *proxy->peekTexture();

    float pixelSize = 0.0f;
    switch (m.direction()) {
        case GrMorphologyEffect::Direction::kX:
            pixelSize = 1.0f / texture.width();
            break;
        case GrMorphologyEffect::Direction::kY:
            pixelSize = 1.0f / texture.height();
            break;
        default:
            SK_ABORT("Unknown filter direction.");
    }
    pdman.set1f(fPixelSizeUni, pixelSize);

    if (m.useRange()) {
        const float* range = m.range();
        if (GrMorphologyEffect::Direction::kY == m.direction() &&
            proxy->origin() == kBottomLeft_GrSurfaceOrigin) {
            pdman.set2f(fRangeUni, 1.0f - (range[1]*pixelSize), 1.0f - (range[0]*pixelSize));
        } else {
            pdman.set2f(fRangeUni, range[0] * pixelSize, range[1] * pixelSize);
        }
    }
}

        void setData(const GrGLSLProgramDataManager& pdman,
                     const GrPrimitiveProcessor& gp,
                     FPCoordTransformIter&& transformIter) override {
            const DefaultGeoProc& dgp = gp.cast<DefaultGeoProc>();

            if (!dgp.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(dgp.viewMatrix())) {
                fViewMatrix = dgp.viewMatrix();
                float viewMatrix[3 * 3];
                GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix);
                pdman.setMatrix3f(fViewMatrixUniform, viewMatrix);
            }

            if (dgp.color() != fColor && !dgp.hasVertexColor()) {
                float c[4];
                GrColorToRGBAFloat(dgp.color(), c);
                pdman.set4fv(fColorUniform, 1, c);
                fColor = dgp.color();
            }

            if (dgp.coverage() != fCoverage && !dgp.hasVertexCoverage()) {
                pdman.set1f(fCoverageUniform, GrNormalizeByteToFloat(dgp.coverage()));
                fCoverage = dgp.coverage();
            }
            this->setTransformDataHelper(dgp.fLocalMatrix, pdman, &transformIter);

            if (dgp.linearizeColor() && dgp.fColorSpaceXform) {
                fColorSpaceHelper.setData(pdman, dgp.fColorSpaceXform.get());
            }
        }

void GrGLMagnifierEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                    const GrProcessor& effect) {
    const GrMagnifierEffect& zoom = effect.cast<GrMagnifierEffect>();
    pdman.set2f(fOffsetVar, zoom.xOffset(), zoom.yOffset());
    pdman.set2f(fInvZoomVar, zoom.xInvZoom(), zoom.yInvZoom());
    pdman.set2f(fInvInsetVar, zoom.xInvInset(), zoom.yInvInset());
    pdman.set4f(fBoundsVar, zoom.bounds().x(), zoom.bounds().y(),
                            zoom.bounds().width(), zoom.bounds().height());
}

void GrGLBicubicEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                  const GrProcessor& processor) {
    const GrBicubicEffect& bicubicEffect = processor.cast<GrBicubicEffect>();
    const GrTexture& texture = *processor.texture(0);
    float imageIncrement[2];
    imageIncrement[0] = 1.0f / texture.width();
    imageIncrement[1] = 1.0f / texture.height();
    pdman.set2fv(fImageIncrementUni, 1, imageIncrement);
    pdman.setMatrix4f(fCoefficientsUni, bicubicEffect.coefficients());
    fDomain.setData(pdman, bicubicEffect.domain(), texture.origin());
}

 virtual void setData(const GrGLSLProgramDataManager& pdman,
                      const GrPrimitiveProcessor& gp) override {
     const PLSFinishEffect& fe = gp.cast<PLSFinishEffect>();
     pdman.set1f(fUseEvenOdd, fe.fUseEvenOdd);
     if (fe.color() != fColor && !fe.colorIgnored()) {
         GrGLfloat c[4];
         GrColorToRGBAFloat(fe.color(), c);
         pdman.set4fv(fColorUniform, 1, c);
         fColor = fe.color();
     }
 }

    void onSetData(const GrGLSLProgramDataManager& pdman,
                   const GrFragmentProcessor& _proc) override {
        const GrMagnifierEffect& _outer = _proc.cast<GrMagnifierEffect>();
        {
            pdman.set1f(fXInvZoomVar, (_outer.xInvZoom()));
            pdman.set1f(fYInvZoomVar, (_outer.yInvZoom()));
            pdman.set1f(fXInvInsetVar, (_outer.xInvInset()));
            pdman.set1f(fYInvInsetVar, (_outer.yInvInset()));
        }
        GrSurfaceProxy& srcProxy = *_outer.textureSampler(0).proxy();
        GrTexture& src = *srcProxy.peekTexture();
        (void)src;
        auto bounds = _outer.bounds();
        (void)bounds;
        UniformHandle& boundsUniform = fBoundsUniformVar;
        (void)boundsUniform;
        auto srcRect = _outer.srcRect();
        (void)srcRect;
        UniformHandle& xInvZoom = fXInvZoomVar;
        (void)xInvZoom;
        UniformHandle& yInvZoom = fYInvZoomVar;
        (void)yInvZoom;
        UniformHandle& xInvInset = fXInvInsetVar;
        (void)xInvInset;
        UniformHandle& yInvInset = fYInvInsetVar;
        (void)yInvInset;
        UniformHandle& offset = fOffsetVar;
        (void)offset;

        SkScalar invW = 1.0f / src.width();
        SkScalar invH = 1.0f / src.height();

        {
            SkScalar y = srcRect.y() * invH;
            if (srcProxy.origin() != kTopLeft_GrSurfaceOrigin) {
                y = 1.0f - (srcRect.height() / bounds.height()) - y;
            }

            pdman.set2f(offset, srcRect.x() * invW, y);
        }

        {
            SkScalar y = bounds.y() * invH;
            if (srcProxy.origin() != kTopLeft_GrSurfaceOrigin) {
                y = 1.0f - bounds.height() * invH;
            }

            pdman.set4f(boundsUniform,
                        bounds.x() * invW,
                        y,
                        SkIntToScalar(src.width()) / bounds.width(),
                        SkIntToScalar(src.height()) / bounds.height());
        }
    }

void GLEllipticalRRectEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                        const GrFragmentProcessor& effect) {
    const EllipticalRRectEffect& erre = effect.cast<EllipticalRRectEffect>();
    const SkRRect& rrect = erre.getRRect();
    // If we're using a scale factor to work around precision issues, choose the largest radius
    // as the scale factor. The inv radii need to be pre-adjusted by the scale factor.
    if (rrect != fPrevRRect) {
        SkRect rect = rrect.getBounds();
        const SkVector& r0 = rrect.radii(SkRRect::kUpperLeft_Corner);
        SkASSERT(r0.fX >= kRadiusMin);
        SkASSERT(r0.fY >= kRadiusMin);
        switch (erre.getRRect().getType()) {
            case SkRRect::kSimple_Type:
                rect.inset(r0.fX, r0.fY);
                if (fScaleUniform.isValid()) {
                    if (r0.fX > r0.fY) {
                        pdman.set2f(fInvRadiiSqdUniform, 1.f, (r0.fX * r0.fX) / (r0.fY * r0.fY));
                        pdman.set2f(fScaleUniform, r0.fX, 1.f / r0.fX);
                    } else {
                        pdman.set2f(fInvRadiiSqdUniform, (r0.fY * r0.fY) / (r0.fX * r0.fX), 1.f);
                        pdman.set2f(fScaleUniform, r0.fY, 1.f / r0.fY);
                    }
                } else {
                    pdman.set2f(fInvRadiiSqdUniform, 1.f / (r0.fX * r0.fX),
                                                     1.f / (r0.fY * r0.fY));
                }
                break;
            case SkRRect::kNinePatch_Type: {
                const SkVector& r1 = rrect.radii(SkRRect::kLowerRight_Corner);
                SkASSERT(r1.fX >= kRadiusMin);
                SkASSERT(r1.fY >= kRadiusMin);
                rect.fLeft += r0.fX;
                rect.fTop += r0.fY;
                rect.fRight -= r1.fX;
                rect.fBottom -= r1.fY;
                if (fScaleUniform.isValid()) {
                    float scale = SkTMax(SkTMax(r0.fX, r0.fY), SkTMax(r1.fX, r1.fY));
                    float scaleSqd = scale * scale;
                    pdman.set4f(fInvRadiiSqdUniform, scaleSqd / (r0.fX * r0.fX),
                                                     scaleSqd / (r0.fY * r0.fY),
                                                     scaleSqd / (r1.fX * r1.fX),
                                                     scaleSqd / (r1.fY * r1.fY));
                    pdman.set2f(fScaleUniform, scale, 1.f / scale);
                } else {
                    pdman.set4f(fInvRadiiSqdUniform, 1.f / (r0.fX * r0.fX),
                                                     1.f / (r0.fY * r0.fY),
                                                     1.f / (r1.fX * r1.fX),
                                                     1.f / (r1.fY * r1.fY));
                }
                break;
            }
        default:
            SK_ABORT("RRect should always be simple or nine-patch.");
        }
        pdman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom);
        fPrevRRect = rrect;
    }
}

void GrGLPerlinNoise::onSetData(const GrGLSLProgramDataManager& pdman,
                                const GrProcessor& processor) {
    INHERITED::onSetData(pdman, processor);

    const GrPerlinNoiseEffect& turbulence = processor.cast<GrPerlinNoiseEffect>();

    const SkVector& baseFrequency = turbulence.baseFrequency();
    pdman.set2f(fBaseFrequencyUni, baseFrequency.fX, baseFrequency.fY);

    if (turbulence.stitchTiles()) {
        const SkPerlinNoiseShader::StitchData& stitchData = turbulence.stitchData();
        pdman.set2f(fStitchDataUni, SkIntToScalar(stitchData.fWidth),
                                   SkIntToScalar(stitchData.fHeight));
    }
}

void GrGLSLXferProcessor::setData(const GrGLSLProgramDataManager& pdm, const GrXferProcessor& xp) {
    if (xp.getDstTexture()) {
        if (fDstTopLeftUni.isValid()) {
            pdm.set2f(fDstTopLeftUni, static_cast<float>(xp.dstTextureOffset().fX),
                      static_cast<float>(xp.dstTextureOffset().fY));
            pdm.set2f(fDstScaleUni, 1.f / xp.getDstTexture()->width(),
                      1.f / xp.getDstTexture()->height());
        } else {
            SkASSERT(!fDstScaleUni.isValid());
        }
    } else {
        SkASSERT(!fDstTopLeftUni.isValid());
        SkASSERT(!fDstScaleUni.isValid());
    }
    this->onSetData(pdm, xp);
}