C++ GrGLSLProgramDataManager::set4f方法代码示例

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 onSetData(const GrGLSLProgramDataManager& pdman,
                   const GrFragmentProcessor& _proc) override {
        const GrCircleEffect& _outer = _proc.cast<GrCircleEffect>();
        auto edgeType = _outer.edgeType;
        (void)edgeType;
        auto center = _outer.center;
        (void)center;
        auto radius = _outer.radius;
        (void)radius;
        UniformHandle& circle = circleVar;
        (void)circle;

        if (radius != prevRadius || center != prevCenter) {
            SkScalar effectiveRadius = radius;
            if (GrProcessorEdgeTypeIsInverseFill((GrClipEdgeType)edgeType)) {
                effectiveRadius -= 0.5f;
                // When the radius is 0.5 effectiveRadius is 0 which causes an inf * 0 in the
                // shader.
                effectiveRadius = SkTMax(0.001f, effectiveRadius);
            } else {
                effectiveRadius += 0.5f;
            }
            pdman.set4f(circle, center.fX, center.fY, effectiveRadius,
                        SkScalarInvert(effectiveRadius));
            prevCenter = center;
            prevRadius = radius;
        }
    }

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 GLAARectEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                               const GrProcessor& processor) {
    const AARectEffect& aare = processor.cast<AARectEffect>();
    const SkRect& rect = aare.getRect();
    if (rect != fPrevRect) {
        pdman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f,
                   rect.fRight - 0.5f, rect.fBottom - 0.5f);
        fPrevRect = rect;
    }
}

    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 GrGLCircleBlurFragmentProcessor::onSetData(const GrGLSLProgramDataManager& pdman,
                                                const GrProcessor& proc) {
    const GrCircleBlurFragmentProcessor& cbfp = proc.cast<GrCircleBlurFragmentProcessor>();
    const SkRect& circle = cbfp.circle();

    // The data is formatted as:
    // x,y  - the center of the circle
    // z    - the distance at which the intensity starts falling off (e.g., the start of the table)
    // w    - the inverse of the profile texture size
    pdman.set4f(fDataUniform, circle.centerX(), circle.centerY(), cbfp.offset(),
                1.0f / cbfp.profileSize());
}

void GrCircleBlurFragmentProcessor::GLSLProcessor::onSetData(const GrGLSLProgramDataManager& pdman,
                                                             const GrFragmentProcessor& proc) {
    const GrCircleBlurFragmentProcessor& cbfp = proc.cast<GrCircleBlurFragmentProcessor>();
    const SkRect& circle = cbfp.fCircle;

    // The data is formatted as:
    // x,y  - the center of the circle
    // z    - inner radius that should map to 0th entry in the texture.
    // w    - the inverse of the distance over which the profile texture is stretched.
    pdman.set4f(fDataUniform, circle.centerX(), circle.centerY(), cbfp.fSolidRadius,
                1.f / cbfp.fTextureRadius);
}

void GLEllipticalRRectEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                        const GrProcessor& effect) {
    const EllipticalRRectEffect& erre = effect.cast<EllipticalRRectEffect>();
    const SkRRect& rrect = erre.getRRect();
    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);
                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;
                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:
            SkFAIL("RRect should always be simple or nine-patch.");
        }
        pdman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom);
        fPrevRRect = rrect;
    }
}

    void onSetData(const GrGLSLProgramDataManager& pdman,
                   const GrFragmentProcessor& _proc) override {
        const GrAARectEffect& _outer = _proc.cast<GrAARectEffect>();
        auto edgeType = _outer.edgeType();
        (void)edgeType;
        auto rect = _outer.rect();
        (void)rect;
        UniformHandle& rectUniform = fRectUniformVar;
        (void)rectUniform;

        const SkRect& newRect = GrProcessorEdgeTypeIsAA(edgeType) ? rect.makeInset(.5f, .5f) : rect;
        if (newRect != prevRect) {
            pdman.set4f(rectUniform, newRect.fLeft, newRect.fTop, newRect.fRight, newRect.fBottom);
            prevRect = newRect;
        }
    }

    void onSetData(const GrGLSLProgramDataManager& data,
                   const GrFragmentProcessor& _proc) override {
        const GrCircleBlurFragmentProcessor& _outer = _proc.cast<GrCircleBlurFragmentProcessor>();
        auto circleRect = _outer.circleRect();
        (void)circleRect;
        auto textureRadius = _outer.textureRadius();
        (void)textureRadius;
        auto solidRadius = _outer.solidRadius();
        (void)solidRadius;
        GrSurfaceProxy& blurProfileSamplerProxy = *_outer.textureSampler(0).proxy();
        GrTexture& blurProfileSampler = *blurProfileSamplerProxy.priv().peekTexture();
        (void)blurProfileSampler;
        UniformHandle& circleData = fCircleDataVar;
        (void)circleData;

        data.set4f(circleData, circleRect.centerX(), circleRect.centerY(), solidRadius,
                   1.f / textureRadius);
    }

    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 onSetData(const GrGLSLProgramDataManager& pdman, const GrProcessor& proc) override {
     const GrArithmeticFP& arith = proc.cast<GrArithmeticFP>();
     pdman.set4f(fKUni, arith.k1(), arith.k2(), arith.k3(), arith.k4());
 }