blob: e79b976295cff3d73d0d77ecbd63700c998fb4cb [file] [log] [blame]
* Copyright 2016 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrTextureMaker_DEFINED
#define GrTextureMaker_DEFINED
#include "GrTextureProducer.h"
* Base class for sources that start out as something other than a texture (encoded image,
* picture, ...).
class GrTextureMaker : public GrTextureProducer {
enum class AllowedTexGenType : bool { kCheap, kAny };
std::unique_ptr<GrFragmentProcessor> createFragmentProcessor(
const SkMatrix& textureMatrix,
const SkRect& constraintRect,
FilterConstraint filterConstraint,
bool coordsLimitedToConstraintRect,
const GrSamplerState::Filter* filterOrNullForBicubic) override;
GrTextureMaker(GrContext* context, int width, int height, bool isAlphaOnly)
: INHERITED(context, width, height, isAlphaOnly) {}
* Return the maker's "original" texture. It is the responsibility of the maker to handle any
* caching of the original if desired.
* If "genType" argument equals AllowedTexGenType::kCheap and the texture is not trivial to
* construct then refOriginalTextureProxy should return nullptr (for example if texture is made
* by drawing into a render target).
virtual sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped,
AllowedTexGenType genType) = 0;
GrContext* context() const { return fContext; }
sk_sp<GrTextureProxy> onRefTextureProxyForParams(const GrSamplerState&,
bool willBeMipped,
SkScalar scaleAdjust[2]) override;
typedef GrTextureProducer INHERITED;