72ae431e40
These versions will eliminate lots of copy-pasting in various fragment processor creation code. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3787 Change-Id: I3ada2d4866e92cfc0507beeea11e05790d73757d Reviewed-on: https://skia-review.googlesource.com/3787 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
103 lines
3.8 KiB
C++
103 lines
3.8 KiB
C++
/*
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* Copyright 2010 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkGr_DEFINED
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#define SkGr_DEFINED
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#include "GrColor.h"
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#include "GrTextureAccess.h"
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#include "SkColor.h"
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#include "SkColorPriv.h"
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#include "SkFilterQuality.h"
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#include "SkImageInfo.h"
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class GrCaps;
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class GrColorSpaceXform;
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class GrContext;
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class GrTexture;
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class GrTextureParams;
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class SkBitmap;
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////////////////////////////////////////////////////////////////////////////////
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// Sk to Gr Type conversions
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static inline GrColor SkColorToPremulGrColor(SkColor c) {
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SkPMColor pm = SkPreMultiplyColor(c);
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unsigned r = SkGetPackedR32(pm);
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unsigned g = SkGetPackedG32(pm);
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unsigned b = SkGetPackedB32(pm);
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unsigned a = SkGetPackedA32(pm);
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return GrColorPackRGBA(r, g, b, a);
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}
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static inline GrColor SkColorToUnpremulGrColor(SkColor c) {
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unsigned r = SkColorGetR(c);
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unsigned g = SkColorGetG(c);
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unsigned b = SkColorGetB(c);
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unsigned a = SkColorGetA(c);
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return GrColorPackRGBA(r, g, b, a);
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}
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/** Transform an SkColor (sRGB bytes) to GrColor4f for the specified color space. */
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GrColor4f SkColorToPremulGrColor4f(SkColor c, SkColorSpace* dstColorSpace);
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GrColor4f SkColorToUnpremulGrColor4f(SkColor c, SkColorSpace* dstColorSpace);
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/**
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* As above, but with explicit control over the linearization and gamut xform steps.
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* Typically used when you have easy access to a pre-computed xform.
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*/
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GrColor4f SkColorToPremulGrColor4f(SkColor c, bool gammaCorrect, GrColorSpaceXform* gamutXform);
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GrColor4f SkColorToUnpremulGrColor4f(SkColor c, bool gammaCorrect, GrColorSpaceXform* gamutXform);
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static inline GrColor SkColorToOpaqueGrColor(SkColor c) {
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unsigned r = SkColorGetR(c);
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unsigned g = SkColorGetG(c);
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unsigned b = SkColorGetB(c);
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return GrColorPackRGBA(r, g, b, 0xFF);
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}
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/** Replicates the SkColor's alpha to all four channels of the GrColor. */
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static inline GrColor SkColorAlphaToGrColor(SkColor c) {
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U8CPU a = SkColorGetA(c);
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return GrColorPackRGBA(a, a, a, a);
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}
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static inline SkPMColor GrColorToSkPMColor(GrColor c) {
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GrColorIsPMAssert(c);
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return SkPackARGB32(GrColorUnpackA(c), GrColorUnpackR(c), GrColorUnpackG(c), GrColorUnpackB(c));
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}
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static inline GrColor SkPMColorToGrColor(SkPMColor c) {
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return GrColorPackRGBA(SkGetPackedR32(c), SkGetPackedG32(c), SkGetPackedB32(c),
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SkGetPackedA32(c));
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}
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////////////////////////////////////////////////////////////////////////////////
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/** Returns a texture representing the bitmap that is compatible with the GrTextureParams. The
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texture is inserted into the cache (unless the bitmap is marked volatile) and can be
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retrieved again via this function. */
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GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams&,
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SkSourceGammaTreatment);
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sk_sp<GrTexture> GrMakeCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams&,
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SkSourceGammaTreatment);
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// TODO: Move SkImageInfo2GrPixelConfig to SkGrPriv.h (requires cleanup to SkWindow its subclasses).
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GrPixelConfig SkImageInfo2GrPixelConfig(SkColorType, SkAlphaType, const SkColorSpace*,
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const GrCaps&);
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static inline GrPixelConfig SkImageInfo2GrPixelConfig(const SkImageInfo& info, const GrCaps& caps) {
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return SkImageInfo2GrPixelConfig(info.colorType(), info.alphaType(), info.colorSpace(), caps);
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}
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GrTextureParams::FilterMode GrSkFilterQualityToGrFilterMode(SkFilterQuality paintFilterQuality,
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const SkMatrix& viewM,
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const SkMatrix& localM,
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bool* doBicubic);
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#endif
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