e14d3053f3
This is split out of https://skia-review.googlesource.com/c/7889/ (Remove SkSpecialImage's GrTexture-based ctors) to allow focusing on the caching/subsetting changes. Change-Id: Ic2af7a0d03e88941ab5b6cdfcecbbdefe3578eda Reviewed-on: https://skia-review.googlesource.com/8456 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
98 lines
3.6 KiB
C++
98 lines
3.6 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 "GrSamplerParams.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 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 GrSamplerParams. 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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* The 'scaleAdjust' in/out parameter will be updated to hold any rescaling that needs to be
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* performed on the absolute texture coordinates (e.g., if the texture is resized out to
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* the next power of two). It can be null if the caller is sure the bitmap won't be resized.
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*/
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GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&,
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const GrSamplerParams&, SkScalar scaleAdjust[2]);
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// TODO: Move SkImageInfo2GrPixelConfig to SkGrPriv.h (requires cleanup to SkWindow its subclasses).
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GrPixelConfig SkImageInfo2GrPixelConfig(const SkImageInfo& info, const GrCaps& caps);
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GrSamplerParams::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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