GrBicubicEffect::GrBicubicEffect(GrTexture* texture,
const SkScalar coefficients[16],
const SkMatrix &matrix,
const SkShader::TileMode tileModes[2])
: INHERITED(texture, matrix, GrTextureParams(tileModes, GrTextureParams::kNone_FilterMode))
, fDomain(GrTextureDomain::IgnoredDomain()) {
this->initClassID<GrBicubicEffect>();
convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coefficients);
}
GrBicubicEffect::GrBicubicEffect(GrTexture* texture,
const SkScalar coefficients[16],
const SkMatrix &matrix,
const SkRect& domain)
: INHERITED(texture, matrix,
GrTextureParams(SkShader::kClamp_TileMode, GrTextureParams::kNone_FilterMode))
, fDomain(domain, GrTextureDomain::kClamp_Mode) {
this->initClassID<GrBicubicEffect>();
convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coefficients);
}
GrTextureParams GrImageUsageToTextureParams(SkImageUsageType usage) {
// Just need a params that will trigger the correct cache key / etc, since the usage doesn't
// tell us the specifics about filter level or specific tiling.
const SkShader::TileMode tiles[] = {
SkShader::kClamp_TileMode, // kUntiled_SkImageUsageType
SkShader::kRepeat_TileMode, // kTiled_Unfiltered_SkImageUsageType
SkShader::kRepeat_TileMode, // kTiled_Filtered_SkImageUsageType
};
const GrTextureParams::FilterMode filters[] = {
GrTextureParams::kNone_FilterMode, // kUntiled_SkImageUsageType
GrTextureParams::kNone_FilterMode, // kTiled_Unfiltered_SkImageUsageType
GrTextureParams::kBilerp_FilterMode, // kTiled_Filtered_SkImageUsageType
};
return GrTextureParams(tiles[usage], filters[usage]);
}
