C++ GrGLSLProgramDataManager::set2f方法代码示例

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 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 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 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 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 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);
}

 void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& primProc,
              FPCoordTransformIter&& transformIter) override {
     const GrCCPRPathProcessor& proc = primProc.cast<GrCCPRPathProcessor>();
     pdman.set2f(fAtlasAdjustUniform, 1.0f / proc.atlas()->width(),
                 1.0f / proc.atlas()->height());
     this->setTransformDataHelper(SkMatrix::I(), pdman, &transformIter);
 }

    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 GrGLDisplacementMapEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                          const GrProcessor& proc) {
    const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMapEffect>();
    GrTexture* colorTex = displacementMap.texture(1);
    SkScalar scaleX = displacementMap.scale().fX / colorTex->width();
    SkScalar scaleY = displacementMap.scale().fY / colorTex->height();
    pdman.set2f(fScaleUni, SkScalarToFloat(scaleX),
                colorTex->origin() == kTopLeft_GrSurfaceOrigin ?
                SkScalarToFloat(scaleY) : SkScalarToFloat(-scaleY));
    fGLDomain.setData(pdman, displacementMap.domain(), colorTex->origin());
}

    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 onSetData(const GrGLSLProgramDataManager& pdman,
                   const GrFragmentProcessor& _proc) override {
        const GrEllipseEffect& _outer = _proc.cast<GrEllipseEffect>();
        auto edgeType = _outer.edgeType();
        (void)edgeType;
        auto center = _outer.center();
        (void)center;
        auto radii = _outer.radii();
        (void)radii;
        UniformHandle& ellipse = fEllipseVar;
        (void)ellipse;
        UniformHandle& scale = fScaleVar;
        (void)scale;

        if (radii != prevRadii || center != prevCenter) {
            float invRXSqd;
            float invRYSqd;
            // If we're using a scale factor to work around precision issues, choose the larger
            // radius as the scale factor. The inv radii need to be pre-adjusted by the scale
            // factor.
            if (scale.isValid()) {
                if (radii.fX > radii.fY) {
                    invRXSqd = 1.f;
                    invRYSqd = (radii.fX * radii.fX) / (radii.fY * radii.fY);
                    pdman.set2f(scale, radii.fX, 1.f / radii.fX);
                } else {
                    invRXSqd = (radii.fY * radii.fY) / (radii.fX * radii.fX);
                    invRYSqd = 1.f;
                    pdman.set2f(scale, radii.fY, 1.f / radii.fY);
                }
            } else {
                invRXSqd = 1.f / (radii.fX * radii.fX);
                invRYSqd = 1.f / (radii.fY * radii.fY);
            }
            pdman.set4f(ellipse, center.fX, center.fY, invRXSqd, invRYSqd);
            prevCenter = center;
            prevRadii = radii;
        }
    }

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 setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& gp,
                 FPCoordTransformIter&& transformIter) override {
        const GrBitmapTextGeoProc& btgp = gp.cast<GrBitmapTextGeoProc>();
        if (btgp.color() != fColor && !btgp.hasVertexColor()) {
            float c[4];
            GrColorToRGBAFloat(btgp.color(), c);
            pdman.set4fv(fColorUniform, 1, c);
            fColor = btgp.color();
        }

        const SkISize& atlasSize = btgp.atlasSize();
        SkASSERT(SkIsPow2(atlasSize.fWidth) && SkIsPow2(atlasSize.fHeight));

        if (fAtlasSize != atlasSize) {
            pdman.set2f(fAtlasSizeInvUniform, 1.0f / atlasSize.fWidth, 1.0f / atlasSize.fHeight);
            fAtlasSize = atlasSize;
        }
        this->setTransformDataHelper(btgp.localMatrix(), pdman, &transformIter);
    }

    void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc) override {
        SkASSERT(fTextureSizeUni.isValid());

        GrTexture* texture = proc.texture(0);
        if (texture->width() != fTextureSize.width() || 
            texture->height() != fTextureSize.height()) {
            fTextureSize = SkISize::Make(texture->width(), texture->height());
            pdman.set2f(fTextureSizeUni,
                        SkIntToScalar(fTextureSize.width()),
                        SkIntToScalar(fTextureSize.height()));
        }

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

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