Пример #1
0
uint16_t GrVkSampler::GenerateKey(const GrTextureParams& params, uint32_t mipLevels) {
    const int kTileModeXShift = 2;
    const int kTileModeYShift = 4;
    const int kMipLevelShift = 6;

    uint16_t key = params.filterMode();

    SkASSERT(params.filterMode() <= 3);
    key |= (params.getTileModeX() << kTileModeXShift);

    GR_STATIC_ASSERT(SkShader::kTileModeCount <= 4);
    key |= (params.getTileModeY() << kTileModeYShift);

    SkASSERT(mipLevels < 1024);
    key |= (mipLevels << kMipLevelShift);

    return key;
}
GrSingleTextureEffect::GrSingleTextureEffect(GrProcessorDataManager* procDataManager,
                                             GrTexture* texture,
                                             const SkMatrix& m,
                                             const GrTextureParams& params,
                                             GrCoordSet coordSet)
    : fCoordTransform(coordSet, m, texture, params.filterMode())
    , fTextureAccess(texture, params) {
    this->addCoordTransform(&fCoordTransform);
    this->addTextureAccess(&fTextureAccess);
}
Пример #3
0
bool GrGpu::makeCopyForTextureParams(int width, int height, const GrTextureParams& textureParams,
                                     GrTextureProducer::CopyParams* copyParams) const {
    const GrCaps& caps = *this->caps();
    if (textureParams.isTiled() && !caps.npotTextureTileSupport() &&
        (!SkIsPow2(width) || !SkIsPow2(height))) {
        copyParams->fWidth = GrNextPow2(width);
        copyParams->fHeight = GrNextPow2(height);
        switch (textureParams.filterMode()) {
            case GrTextureParams::kNone_FilterMode:
                copyParams->fFilter = GrTextureParams::kNone_FilterMode;
                break;
            case GrTextureParams::kBilerp_FilterMode:
            case GrTextureParams::kMipMap_FilterMode:
                // We are only ever scaling up so no reason to ever indicate kMipMap.
                copyParams->fFilter = GrTextureParams::kBilerp_FilterMode;
                break;
        }
        return true;
    }
    return false;
}