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1 /* | 1 /* |
2 * Copyright 2013 The Android Open Source Project | 2 * Copyright 2013 The Android Open Source Project |
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 #include "SkMatrix.h" | 8 #include "SkMatrix.h" |
9 | 9 |
10 #if SK_SUPPORT_GPU | 10 #if SK_SUPPORT_GPU |
11 #include "GrTexture.h" | 11 #include "GrTexture.h" |
12 #include "SkImageFilterUtils.h" | 12 #include "SkImageFilterUtils.h" |
13 #include "SkBitmap.h" | 13 #include "SkBitmap.h" |
14 #include "SkGrPixelRef.h" | 14 #include "SkGrPixelRef.h" |
15 #include "SkGr.h" | 15 #include "SkGr.h" |
16 | 16 |
17 bool SkImageFilterUtils::WrapTexture(GrTexture* texture, int width, int height,
SkBitmap* result) { | 17 bool SkImageFilterUtils::WrapTexture(GrTexture* texture, int width, int height,
SkBitmap* result) { |
18 result->setConfig(SkBitmap::kARGB_8888_Config, width, height); | 18 result->setConfig(SkBitmap::kARGB_8888_Config, width, height); |
19 result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (texture)))->unref(); | 19 result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (texture)))->unref(); |
20 return true; | 20 return true; |
21 } | 21 } |
22 | 22 |
23 bool SkImageFilterUtils::GetInputResultGPU(SkImageFilter* filter, SkImageFilter:
:Proxy* proxy, | 23 bool SkImageFilterUtils::GetInputResultGPU(SkImageFilter* filter, SkImageFilter:
:Proxy* proxy, |
24 const SkBitmap& src, const SkMatrix&
ctm, | 24 const SkBitmap& src, const SkMatrix&
ctm, |
25 SkBitmap* result, SkIPoint* offset) { | 25 SkBitmap* result, SkIPoint* offset) { |
| 26 // Ensure that GrContext calls under filterImage and filterImageGPU below wi
ll see an identity |
| 27 // matrix with no clip and that the matrix, clip, and render target set befo
re this function was |
| 28 // called are restored before we return to the caller. |
| 29 GrContext* context = src.getTexture()->getContext(); |
| 30 GrContext::AutoWideOpenIdentityDraw awoid(context, NULL); |
26 if (!filter) { | 31 if (!filter) { |
27 *result = src; | 32 *result = src; |
28 return true; | 33 return true; |
29 } else if (filter->canFilterImageGPU()) { | 34 } else if (filter->canFilterImageGPU()) { |
30 return filter->filterImageGPU(proxy, src, ctm, result, offset); | 35 return filter->filterImageGPU(proxy, src, ctm, result, offset); |
31 } else { | 36 } else { |
32 if (filter->filterImage(proxy, src, ctm, result, offset)) { | 37 if (filter->filterImage(proxy, src, ctm, result, offset)) { |
33 if (!result->getTexture()) { | 38 if (!result->getTexture()) { |
34 GrContext* context = ((GrTexture *) src.getTexture())->getContex
t(); | 39 GrTexture* resultTex = GrLockAndRefCachedBitmapTexture(context,
*result, NULL); |
35 GrTexture* resultTex = GrLockAndRefCachedBitmapTexture(context, | |
36 *result, NULL); | |
37 result->setPixelRef(new SkGrPixelRef(resultTex))->unref(); | 40 result->setPixelRef(new SkGrPixelRef(resultTex))->unref(); |
38 GrUnlockAndUnrefCachedBitmapTexture(resultTex); | 41 GrUnlockAndUnrefCachedBitmapTexture(resultTex); |
39 } | 42 } |
40 return true; | 43 return true; |
41 } else { | 44 } else { |
42 return false; | 45 return false; |
43 } | 46 } |
44 } | 47 } |
45 } | 48 } |
46 #endif | 49 #endif |
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