skia2/include/gpu/GrTextureAccess.h
bsalomon cdee009886 Add a class representing texture swizzle.
Store config swizzle GrGLCaps and shader swizzles in GrGLSLCaps.

Remove GrTextureAccess's swizzle and update users of it to swizzle in their shader code.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1567733005

Committed: https://skia.googlesource.com/skia/+/1a1efeacf7cc94a8c2977114dfe230fed3efc105

Review URL: https://codereview.chromium.org/1567733005
2016-01-08 13:20:12 -08:00

65 lines
1.8 KiB
C++

/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrTextureAccess_DEFINED
#define GrTextureAccess_DEFINED
#include "GrGpuResourceRef.h"
#include "GrTexture.h"
#include "GrTextureParams.h"
#include "SkRefCnt.h"
#include "SkShader.h"
/**
* Used to represent a texture that is required by a GrProcessor. It holds a GrTexture along with
* an associated GrTextureParams
*/
class GrTextureAccess : public SkNoncopyable {
public:
/**
* Must be initialized before adding to a GrProcessor's texture access list.
*/
GrTextureAccess();
GrTextureAccess(GrTexture*, const GrTextureParams&);
explicit GrTextureAccess(GrTexture*,
GrTextureParams::FilterMode = GrTextureParams::kNone_FilterMode,
SkShader::TileMode tileXAndY = SkShader::kClamp_TileMode);
void reset(GrTexture*, const GrTextureParams&);
void reset(GrTexture*,
GrTextureParams::FilterMode = GrTextureParams::kNone_FilterMode,
SkShader::TileMode tileXAndY = SkShader::kClamp_TileMode);
bool operator==(const GrTextureAccess& that) const {
return this->getTexture() == that.getTexture() && fParams == that.fParams;
}
bool operator!=(const GrTextureAccess& other) const { return !(*this == other); }
GrTexture* getTexture() const { return fTexture.get(); }
/**
* For internal use by GrProcessor.
*/
const GrGpuResourceRef* getProgramTexture() const { return &fTexture; }
const GrTextureParams& getParams() const { return fParams; }
private:
typedef GrTGpuResourceRef<GrTexture> ProgramTexture;
ProgramTexture fTexture;
GrTextureParams fParams;
typedef SkNoncopyable INHERITED;
};
#endif