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Side by Side Diff: src/effects/SkGpuBlurUtils.h

Issue 2164363002: Add SkColorSpace to GrDrawContext (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Remove ':' from comment Created 4 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef SkGpuBlurUtils_DEFINED 8 #ifndef SkGpuBlurUtils_DEFINED
9 #define SkGpuBlurUtils_DEFINED 9 #define SkGpuBlurUtils_DEFINED
10 10
11 #if SK_SUPPORT_GPU 11 #if SK_SUPPORT_GPU
12 #include "GrDrawContext.h" 12 #include "GrDrawContext.h"
13 13
14 class GrContext; 14 class GrContext;
15 class GrTexture; 15 class GrTexture;
16 16
17 struct SkRect; 17 struct SkRect;
18 18
19 namespace SkGpuBlurUtils { 19 namespace SkGpuBlurUtils {
20 /** 20 /**
21 * Applies a 2D Gaussian blur to a given texture. The blurred result is retur ned 21 * Applies a 2D Gaussian blur to a given texture. The blurred result is retur ned
22 * as a drawContext in case the caller wishes to future draw into the result. 22 * as a drawContext in case the caller wishes to future draw into the result.
23 * Note: one of sigmaX and sigmaY should be non-zero! 23 * Note: one of sigmaX and sigmaY should be non-zero!
24 * @param context The GPU context 24 * @param context The GPU context
25 * @param srcTexture The source texture to be blurred. 25 * @param srcTexture The source texture to be blurred.
26 * @param colorSpace Color space of the source (used for the drawContext result, too).
26 * @param gammaCorrect Should blur be gamma-correct (sRGB to linear, etc.. .) 27 * @param gammaCorrect Should blur be gamma-correct (sRGB to linear, etc.. .)
27 * @param dstBounds The destination bounds, relative to the source text ure. 28 * @param dstBounds The destination bounds, relative to the source text ure.
28 * @param srcBounds The source bounds, relative to the source texture. If non-null, 29 * @param srcBounds The source bounds, relative to the source texture. If non-null,
29 * no pixels will be sampled outside of this rectangle . 30 * no pixels will be sampled outside of this rectangle .
30 * @param sigmaX The blur's standard deviation in X. 31 * @param sigmaX The blur's standard deviation in X.
31 * @param sigmaY The blur's standard deviation in Y. 32 * @param sigmaY The blur's standard deviation in Y.
32 * @return The drawContext containing the blurred result. 33 * @return The drawContext containing the blurred result.
33 */ 34 */
34 sk_sp<GrDrawContext> GaussianBlur(GrContext* context, 35 sk_sp<GrDrawContext> GaussianBlur(GrContext* context,
35 GrTexture* srcTexture, 36 GrTexture* srcTexture,
37 sk_sp<SkColorSpace> colorSpace,
36 bool gammaCorrect, 38 bool gammaCorrect,
37 const SkIRect& dstBounds, 39 const SkIRect& dstBounds,
38 const SkIRect* srcBounds, 40 const SkIRect* srcBounds,
39 float sigmaX, 41 float sigmaX,
40 float sigmaY); 42 float sigmaY);
41 }; 43 };
42 44
43 #endif 45 #endif
44 #endif 46 #endif
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