sk_sp<SkSurface> onMakeTightSurface(const SkImageFilter::OutputProperties& outProps,
                                     const SkISize& size, SkAlphaType at) const override {
     SkColorSpace* colorSpace = outProps.colorSpace();
     SkColorType colorType = colorSpace && colorSpace->gammaIsLinear()
         ? kRGBA_F16_SkColorType : kRGBA_8888_SkColorType;
     SkImageInfo info = SkImageInfo::Make(size.width(), size.height(), colorType, at,
                                          sk_ref_sp(colorSpace));
     return SkSurface::MakeRenderTarget(fContext, SkBudgeted::kYes, info);
 }
Ejemplo n.º 2
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void draw(SkCanvas* canvas) {
    SkBitmap bitmap;
    bitmap.setInfo(SkImageInfo::MakeN32(16, 32, kPremul_SkAlphaType,
            SkColorSpace::MakeSRGBLinear()));
    SkColorSpace* colorSpace = bitmap.colorSpace();
    SkDebugf("gammaCloseToSRGB: %s  gammaIsLinear: %s  isSRGB: %s\n",
            colorSpace->gammaCloseToSRGB() ? "true" : "false",
            colorSpace->gammaIsLinear() ? "true" : "false",
            colorSpace->isSRGB() ? "true" : "false");
}
    sk_sp<SkSurface> onMakeTightSurface(const SkImageFilter::OutputProperties& outProps,
                                        const SkISize& size, SkAlphaType at) const override {
#if RASTER_IMAGE_FILTERS_SUPPORT_SRGB_AND_F16
        SkColorSpace* colorSpace = outProps.colorSpace();
#else
        SkColorSpace* colorSpace = nullptr;
#endif
        SkColorType colorType = colorSpace && colorSpace->gammaIsLinear()
            ? kRGBA_F16_SkColorType : kN32_SkColorType;
        SkImageInfo info = SkImageInfo::Make(size.width(), size.height(), colorType, at,
                                             sk_ref_sp(colorSpace));
        return SkSurface::MakeRaster(info);
    }
Ejemplo n.º 4
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SkImageCacherator::CachedFormat SkImage_Lazy::chooseCacheFormat(SkColorSpace* dstColorSpace,
                                                                const GrCaps* grCaps) const {
    SkColorSpace* cs = fInfo.colorSpace();
    if (!cs || !dstColorSpace) {
        return kLegacy_CachedFormat;
    }

    CacheCaps caps(grCaps);
    switch (fInfo.colorType()) {
        case kUnknown_SkColorType:
        case kAlpha_8_SkColorType:
        case kRGB_565_SkColorType:
        case kARGB_4444_SkColorType:
        case kRGB_888x_SkColorType:
        case kRGBA_1010102_SkColorType:
        case kRGB_101010x_SkColorType:
            // We don't support color space on these formats, so always decode in legacy mode:
            // TODO: Ask the codec to decode these to something else (at least sRGB 8888)?
            return kLegacy_CachedFormat;

        case kGray_8_SkColorType:
            // TODO: What do we do with grayscale sources that have strange color spaces attached?
            // The codecs and color space xform don't handle this correctly (yet), so drop it on
            // the floor. (Also, inflating by a factor of 8 is going to be unfortunate).
            // As it is, we don't directly support sRGB grayscale, so ask the codec to convert
            // it for us. This bypasses some really sketchy code GrUploadPixmapToTexture.
            if (cs->gammaCloseToSRGB() && caps.supportsSRGB()) {
                return kSRGB8888_CachedFormat;
            } else {
                return kLegacy_CachedFormat;
            }

        case kRGBA_8888_SkColorType:
            if (cs->gammaCloseToSRGB()) {
                if (caps.supportsSRGB()) {
                    return kSRGB8888_CachedFormat;
                } else if (caps.supportsHalfFloat()) {
                    return kLinearF16_CachedFormat;
                } else {
                    return kLegacy_CachedFormat;
                }
            } else {
                if (caps.supportsHalfFloat()) {
                    return kLinearF16_CachedFormat;
                } else if (caps.supportsSRGB()) {
                    return kSRGB8888_CachedFormat;
                } else {
                    return kLegacy_CachedFormat;
                }
            }

        case kBGRA_8888_SkColorType:
            // Odd case. sBGRA isn't a real thing, so we may not have this texturable.
            if (caps.supportsSBGR()) {
                if (cs->gammaCloseToSRGB()) {
                    return kSBGR8888_CachedFormat;
                } else if (caps.supportsHalfFloat()) {
                    return kLinearF16_CachedFormat;
                } else if (caps.supportsSRGB()) {
                    return kSRGB8888_CachedFormat;
                } else {
                    // sBGRA support without sRGBA is highly unlikely (impossible?) Nevertheless.
                    return kLegacy_CachedFormat;
                }
            } else {
                if (cs->gammaCloseToSRGB()) {
                    if (caps.supportsSRGB()) {
                        return kSRGB8888_CachedFormat;
                    } else if (caps.supportsHalfFloat()) {
                        return kLinearF16_CachedFormat;
                    } else {
                        return kLegacy_CachedFormat;
                    }
                } else {
                    if (caps.supportsHalfFloat()) {
                        return kLinearF16_CachedFormat;
                    } else if (caps.supportsSRGB()) {
                        return kSRGB8888_CachedFormat;
                    } else {
                        return kLegacy_CachedFormat;
                    }
                }
            }

        case kRGBA_F16_SkColorType:
            if (caps.supportsHalfFloat()) {
                return kLinearF16_CachedFormat;
            } else if (caps.supportsSRGB()) {
                return kSRGB8888_CachedFormat;
            } else {
                return kLegacy_CachedFormat;
            }
    }
    SkDEBUGFAIL("Unreachable");
    return kLegacy_CachedFormat;
}