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);
}
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;
}
