Beispiel #1
0
SkBlitMask::BlitLCD16RowProc SkBlitMask::PlatformBlitRowProcs16(bool isOpaque) {
    if (isOpaque) {
        return SK_ARM_NEON_WRAP(SkBlitLCD16OpaqueRow);
    } else {
        return SK_ARM_NEON_WRAP(SkBlitLCD16Row);
    }
}
SkBlitRow::Proc32 SkBlitRow::PlatformProcs32(unsigned flags) {
    if (skia_androidopt_PlatformProcs32 && skia_androidopt_PlatformProcs32(flags) ) {
        return  skia_androidopt_PlatformProcs32(flags);
    } else {
        return SK_ARM_NEON_WRAP(sk_blitrow_platform_32_procs_arm)[flags];
    }
}
bool SkBitmapProcState::chooseScanlineProcs(bool trivialMatrix, bool clampClamp) {
    SkASSERT(fPixmap.colorType() == kN32_SkColorType);

    fMatrixProc = this->chooseMatrixProc(trivialMatrix);
    // TODO(dominikg): SkASSERT(fMatrixProc) instead? chooseMatrixProc never returns nullptr.
    if (nullptr == fMatrixProc) {
        return false;
    }

    const SkAlphaType at = fPixmap.alphaType();
    if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
        return false;
    }

    // No need to do this if we're doing HQ sampling; if filter quality is
    // still set to HQ by the time we get here, then we must have installed
    // the shader procs above and can skip all this.

    if (fFilterQuality < kHigh_SkFilterQuality) {
        int index = 0;
        if (fAlphaScale < 256) {  // note: this distinction is not used for D16
            index |= 1;
        }
        if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) {
            index |= 2;
        }
        if (fFilterQuality > kNone_SkFilterQuality) {
            index |= 4;
        }

#if !defined(SK_ARM_HAS_NEON)
        static const SampleProc32 gSkBitmapProcStateSample32[] = {
            S32_opaque_D32_nofilter_DXDY,
            S32_alpha_D32_nofilter_DXDY,
            S32_opaque_D32_nofilter_DX,
            S32_alpha_D32_nofilter_DX,
            S32_opaque_D32_filter_DXDY,
            S32_alpha_D32_filter_DXDY,
            S32_opaque_D32_filter_DX,
            S32_alpha_D32_filter_DX,
        };
#endif

        fSampleProc32 = SK_ARM_NEON_WRAP(gSkBitmapProcStateSample32)[index];

        fShaderProc32 = this->chooseShaderProc32();
        if (nullptr == fShaderProc32) {
            // our special-case shaderprocs
            if (S32_opaque_D32_nofilter_DX == fSampleProc32 && clampClamp) {
                fShaderProc32 = Clamp_S32_opaque_D32_nofilter_DX_shaderproc;
            }
        }
    }

    // see if our platform has any accelerated overrides
    this->platformProcs();

    return true;
}
SkBlitRow::Color32Proc SkBlitRow::PlatformColor32Proc() {
#define sk_blitrow_color32_arm NULL
    return SK_ARM_NEON_WRAP(sk_blitrow_color32_arm);
}
SkBlitRow::Proc32 SkBlitRow::PlatformProcs32(unsigned flags) {
    return SK_ARM_NEON_WRAP(sk_blitrow_platform_32_procs_arm)[flags];
}
SkBlitRow::ColorProc16 SkBlitRow::PlatformColorFactory565(unsigned flags) {
    return SK_ARM_NEON_WRAP(sk_blitrow_platform_565_colorprocs_arm)[flags];
}
SkBlitRow::ColorProc SkBlitRow::PlatformColorProc() {
    return SK_ARM_NEON_WRAP(Color32_arm);
}
SkBlitRow::Proc SkBlitRow::PlatformProcs565(unsigned flags) {
    return SK_ARM_NEON_WRAP(sk_blitrow_platform_565_procs_arm)[flags];
}
Beispiel #9
0
bool SkBitmapProcState::chooseProcs(const SkMatrix& inv, const SkPaint& paint) {
    SkASSERT(fOrigBitmap.width() && fOrigBitmap.height());

    fBitmap = NULL;
    fInvMatrix = inv;
    fFilterLevel = paint.getFilterLevel();

    // possiblyScaleImage will look to see if it can rescale the image as a
    // preprocess; either by scaling up to the target size, or by selecting
    // a nearby mipmap level.  If it does, it will adjust the working
    // matrix as well as the working bitmap.  It may also adjust the filter
    // quality to avoid re-filtering an already perfectly scaled image.
    if (!this->possiblyScaleImage()) {
        if (!this->lockBaseBitmap()) {
            return false;
        }
    }
    // The above logic should have always assigned fBitmap, but in case it
    // didn't, we check for that now...
    // TODO(dominikg): Ask humper@ if we can just use an SkASSERT(fBitmap)?
    if (NULL == fBitmap) {
        return false;
    }

    // If we are "still" kMedium_FilterLevel, then the request was not fulfilled by possiblyScale,
    // so we downgrade to kLow (so the rest of the sniffing code can assume that)
    if (SkPaint::kMedium_FilterLevel == fFilterLevel) {
        fFilterLevel = SkPaint::kLow_FilterLevel;
    }

    bool trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0;
    bool clampClamp = SkShader::kClamp_TileMode == fTileModeX &&
                      SkShader::kClamp_TileMode == fTileModeY;

    if (!(fAdjustedMatrix || clampClamp || trivialMatrix)) {
        fInvMatrix.postIDiv(fOrigBitmap.width(), fOrigBitmap.height());
    }

    // Now that all possible changes to the matrix have taken place, check
    // to see if we're really close to a no-scale matrix.  If so, explicitly
    // set it to be so.  Subsequent code may inspect this matrix to choose
    // a faster path in this case.

    // This code will only execute if the matrix has some scale component;
    // if it's already pure translate then we won't do this inversion.

    if (matrix_only_scale_translate(fInvMatrix)) {
        SkMatrix forward;
        if (fInvMatrix.invert(&forward)) {
            if (clampClamp ? just_trans_clamp(forward, *fBitmap)
                            : just_trans_general(forward)) {
                SkScalar tx = -SkScalarRoundToScalar(forward.getTranslateX());
                SkScalar ty = -SkScalarRoundToScalar(forward.getTranslateY());
                fInvMatrix.setTranslate(tx, ty);
            }
        }
    }

    fInvProc        = fInvMatrix.getMapXYProc();
    fInvType        = fInvMatrix.getType();
    fInvSx          = SkScalarToFixed(fInvMatrix.getScaleX());
    fInvSxFractionalInt = SkScalarToFractionalInt(fInvMatrix.getScaleX());
    fInvKy          = SkScalarToFixed(fInvMatrix.getSkewY());
    fInvKyFractionalInt = SkScalarToFractionalInt(fInvMatrix.getSkewY());

    fAlphaScale = SkAlpha255To256(paint.getAlpha());

    fShaderProc32 = NULL;
    fShaderProc16 = NULL;
    fSampleProc32 = NULL;
    fSampleProc16 = NULL;

    // recompute the triviality of the matrix here because we may have
    // changed it!

    trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0;

    if (SkPaint::kHigh_FilterLevel == fFilterLevel) {
        // If this is still set, that means we wanted HQ sampling
        // but couldn't do it as a preprocess.  Let's try to install
        // the scanline version of the HQ sampler.  If that process fails,
        // downgrade to bilerp.

        // NOTE: Might need to be careful here in the future when we want
        // to have the platform proc have a shot at this; it's possible that
        // the chooseBitmapFilterProc will fail to install a shader but a
        // platform-specific one might succeed, so it might be premature here
        // to fall back to bilerp.  This needs thought.

        if (!this->setBitmapFilterProcs()) {
            fFilterLevel = SkPaint::kLow_FilterLevel;
        }
    }

    if (SkPaint::kLow_FilterLevel == fFilterLevel) {
        // Only try bilerp if the matrix is "interesting" and
        // the image has a suitable size.

        if (fInvType <= SkMatrix::kTranslate_Mask ||
                !valid_for_filtering(fBitmap->width() | fBitmap->height())) {
            fFilterLevel = SkPaint::kNone_FilterLevel;
        }
    }

    // At this point, we know exactly what kind of sampling the per-scanline
    // shader will perform.

    fMatrixProc = this->chooseMatrixProc(trivialMatrix);
    // TODO(dominikg): SkASSERT(fMatrixProc) instead? chooseMatrixProc never returns NULL.
    if (NULL == fMatrixProc) {
        return false;
    }

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

    const SkAlphaType at = fBitmap->alphaType();

    // No need to do this if we're doing HQ sampling; if filter quality is
    // still set to HQ by the time we get here, then we must have installed
    // the shader procs above and can skip all this.

    if (fFilterLevel < SkPaint::kHigh_FilterLevel) {

        int index = 0;
        if (fAlphaScale < 256) {  // note: this distinction is not used for D16
            index |= 1;
        }
        if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) {
            index |= 2;
        }
        if (fFilterLevel > SkPaint::kNone_FilterLevel) {
            index |= 4;
        }
        // bits 3,4,5 encoding the source bitmap format
        switch (fBitmap->colorType()) {
            case kN32_SkColorType:
                if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
                    return false;
                }
                index |= 0;
                break;
            case kRGB_565_SkColorType:
                index |= 8;
                break;
            case kIndex_8_SkColorType:
                if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
                    return false;
                }
                index |= 16;
                break;
            case kARGB_4444_SkColorType:
                if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
                    return false;
                }
                index |= 24;
                break;
            case kAlpha_8_SkColorType:
                index |= 32;
                fPaintPMColor = SkPreMultiplyColor(paint.getColor());
                break;
            default:
                // TODO(dominikg): Should we ever get here? SkASSERT(false) instead?
                return false;
        }

    #if !SK_ARM_NEON_IS_ALWAYS
        static const SampleProc32 gSkBitmapProcStateSample32[] = {
            S32_opaque_D32_nofilter_DXDY,
            S32_alpha_D32_nofilter_DXDY,
            S32_opaque_D32_nofilter_DX,
            S32_alpha_D32_nofilter_DX,
            S32_opaque_D32_filter_DXDY,
            S32_alpha_D32_filter_DXDY,
            S32_opaque_D32_filter_DX,
            S32_alpha_D32_filter_DX,

            S16_opaque_D32_nofilter_DXDY,
            S16_alpha_D32_nofilter_DXDY,
            S16_opaque_D32_nofilter_DX,
            S16_alpha_D32_nofilter_DX,
            S16_opaque_D32_filter_DXDY,
            S16_alpha_D32_filter_DXDY,
            S16_opaque_D32_filter_DX,
            S16_alpha_D32_filter_DX,

            SI8_opaque_D32_nofilter_DXDY,
            SI8_alpha_D32_nofilter_DXDY,
            SI8_opaque_D32_nofilter_DX,
            SI8_alpha_D32_nofilter_DX,
            SI8_opaque_D32_filter_DXDY,
            SI8_alpha_D32_filter_DXDY,
            SI8_opaque_D32_filter_DX,
            SI8_alpha_D32_filter_DX,

            S4444_opaque_D32_nofilter_DXDY,
            S4444_alpha_D32_nofilter_DXDY,
            S4444_opaque_D32_nofilter_DX,
            S4444_alpha_D32_nofilter_DX,
            S4444_opaque_D32_filter_DXDY,
            S4444_alpha_D32_filter_DXDY,
            S4444_opaque_D32_filter_DX,
            S4444_alpha_D32_filter_DX,

            // A8 treats alpha/opaque the same (equally efficient)
            SA8_alpha_D32_nofilter_DXDY,
            SA8_alpha_D32_nofilter_DXDY,
            SA8_alpha_D32_nofilter_DX,
            SA8_alpha_D32_nofilter_DX,
            SA8_alpha_D32_filter_DXDY,
            SA8_alpha_D32_filter_DXDY,
            SA8_alpha_D32_filter_DX,
            SA8_alpha_D32_filter_DX
        };

        static const SampleProc16 gSkBitmapProcStateSample16[] = {
            S32_D16_nofilter_DXDY,
            S32_D16_nofilter_DX,
            S32_D16_filter_DXDY,
            S32_D16_filter_DX,

            S16_D16_nofilter_DXDY,
            S16_D16_nofilter_DX,
            S16_D16_filter_DXDY,
            S16_D16_filter_DX,

            SI8_D16_nofilter_DXDY,
            SI8_D16_nofilter_DX,
            SI8_D16_filter_DXDY,
            SI8_D16_filter_DX,

            // Don't support 4444 -> 565
            NULL, NULL, NULL, NULL,
            // Don't support A8 -> 565
            NULL, NULL, NULL, NULL
        };
    #endif

        fSampleProc32 = SK_ARM_NEON_WRAP(gSkBitmapProcStateSample32)[index];
        index >>= 1;    // shift away any opaque/alpha distinction
        fSampleProc16 = SK_ARM_NEON_WRAP(gSkBitmapProcStateSample16)[index];

        // our special-case shaderprocs
        if (SK_ARM_NEON_WRAP(S16_D16_filter_DX) == fSampleProc16) {
            if (clampClamp) {
                fShaderProc16 = SK_ARM_NEON_WRAP(Clamp_S16_D16_filter_DX_shaderproc);
            } else if (SkShader::kRepeat_TileMode == fTileModeX &&
                       SkShader::kRepeat_TileMode == fTileModeY) {
                fShaderProc16 = SK_ARM_NEON_WRAP(Repeat_S16_D16_filter_DX_shaderproc);
            }
        } else if (SK_ARM_NEON_WRAP(SI8_opaque_D32_filter_DX) == fSampleProc32 && clampClamp) {
            fShaderProc32 = SK_ARM_NEON_WRAP(Clamp_SI8_opaque_D32_filter_DX_shaderproc);
        }

        if (NULL == fShaderProc32) {
            fShaderProc32 = this->chooseShaderProc32();
        }
    }
Beispiel #10
0
bool SkBitmapProcState::chooseScanlineProcs(bool trivialMatrix, bool clampClamp,
                                            const SkPaint& paint) {
    fMatrixProc = this->chooseMatrixProc(trivialMatrix);
    // TODO(dominikg): SkASSERT(fMatrixProc) instead? chooseMatrixProc never returns nullptr.
    if (nullptr == fMatrixProc) {
        return false;
    }

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

    const SkAlphaType at = fPixmap.alphaType();

    // No need to do this if we're doing HQ sampling; if filter quality is
    // still set to HQ by the time we get here, then we must have installed
    // the shader procs above and can skip all this.

    if (fFilterLevel < kHigh_SkFilterQuality) {

        int index = 0;
        if (fAlphaScale < 256) {  // note: this distinction is not used for D16
            index |= 1;
        }
        if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) {
            index |= 2;
        }
        if (fFilterLevel > kNone_SkFilterQuality) {
            index |= 4;
        }
        // bits 3,4,5 encoding the source bitmap format
        switch (fPixmap.colorType()) {
            case kN32_SkColorType:
                if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
                    return false;
                }
                index |= 0;
                break;
            case kRGB_565_SkColorType:
                index |= 8;
                break;
            case kIndex_8_SkColorType:
                if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
                    return false;
                }
                index |= 16;
                break;
            case kARGB_4444_SkColorType:
                if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) {
                    return false;
                }
                index |= 24;
                break;
            case kAlpha_8_SkColorType:
                index |= 32;
                fPaintPMColor = SkPreMultiplyColor(paint.getColor());
                break;
            case kGray_8_SkColorType:
                index |= 40;
                fPaintPMColor = SkPreMultiplyColor(paint.getColor());
                break;
            default:
                // TODO(dominikg): Should we ever get here? SkASSERT(false) instead?
                return false;
        }

#if !SK_ARM_NEON_IS_ALWAYS
        static const SampleProc32 gSkBitmapProcStateSample32[] = {
            S32_opaque_D32_nofilter_DXDY,
            S32_alpha_D32_nofilter_DXDY,
            S32_opaque_D32_nofilter_DX,
            S32_alpha_D32_nofilter_DX,
            S32_opaque_D32_filter_DXDY,
            S32_alpha_D32_filter_DXDY,
            S32_opaque_D32_filter_DX,
            S32_alpha_D32_filter_DX,

            S16_opaque_D32_nofilter_DXDY,
            S16_alpha_D32_nofilter_DXDY,
            S16_opaque_D32_nofilter_DX,
            S16_alpha_D32_nofilter_DX,
            S16_opaque_D32_filter_DXDY,
            S16_alpha_D32_filter_DXDY,
            S16_opaque_D32_filter_DX,
            S16_alpha_D32_filter_DX,

            SI8_opaque_D32_nofilter_DXDY,
            SI8_alpha_D32_nofilter_DXDY,
            SI8_opaque_D32_nofilter_DX,
            SI8_alpha_D32_nofilter_DX,
            SI8_opaque_D32_filter_DXDY,
            SI8_alpha_D32_filter_DXDY,
            SI8_opaque_D32_filter_DX,
            SI8_alpha_D32_filter_DX,

            S4444_opaque_D32_nofilter_DXDY,
            S4444_alpha_D32_nofilter_DXDY,
            S4444_opaque_D32_nofilter_DX,
            S4444_alpha_D32_nofilter_DX,
            S4444_opaque_D32_filter_DXDY,
            S4444_alpha_D32_filter_DXDY,
            S4444_opaque_D32_filter_DX,
            S4444_alpha_D32_filter_DX,
            
            // A8 treats alpha/opaque the same (equally efficient)
            SA8_alpha_D32_nofilter_DXDY,
            SA8_alpha_D32_nofilter_DXDY,
            SA8_alpha_D32_nofilter_DX,
            SA8_alpha_D32_nofilter_DX,
            SA8_alpha_D32_filter_DXDY,
            SA8_alpha_D32_filter_DXDY,
            SA8_alpha_D32_filter_DX,
            SA8_alpha_D32_filter_DX,
            
            // todo: possibly specialize on opaqueness
            SG8_alpha_D32_nofilter_DXDY,
            SG8_alpha_D32_nofilter_DXDY,
            SG8_alpha_D32_nofilter_DX,
            SG8_alpha_D32_nofilter_DX,
            SG8_alpha_D32_filter_DXDY,
            SG8_alpha_D32_filter_DXDY,
            SG8_alpha_D32_filter_DX,
            SG8_alpha_D32_filter_DX
        };
#endif

        fSampleProc32 = SK_ARM_NEON_WRAP(gSkBitmapProcStateSample32)[index];
        index >>= 1;    // shift away any opaque/alpha distinction

        // our special-case shaderprocs
        if (SK_ARM_NEON_WRAP(SI8_opaque_D32_filter_DX) == fSampleProc32 && clampClamp) {
            fShaderProc32 = SK_ARM_NEON_WRAP(Clamp_SI8_opaque_D32_filter_DX_shaderproc);
        } else if (S32_opaque_D32_nofilter_DX == fSampleProc32 && clampClamp) {
            fShaderProc32 = Clamp_S32_opaque_D32_nofilter_DX_shaderproc;
        }

        if (nullptr == fShaderProc32) {
            fShaderProc32 = this->chooseShaderProc32();
        }
    }