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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "SkBlurMaskFilter.h" | 9 #include "SkBlurMaskFilter.h" |
10 #include "SkBlurMask.h" | 10 #include "SkBlurMask.h" |
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743 const GrProcessor& proc) { | 743 const GrProcessor& proc) { |
744 const GrRectBlurEffect& rbe = proc.cast<GrRectBlurEffect>(); | 744 const GrRectBlurEffect& rbe = proc.cast<GrRectBlurEffect>(); |
745 SkRect rect = rbe.getRect(); | 745 SkRect rect = rbe.getRect(); |
746 | 746 |
747 pdman.set4f(fProxyRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBot
tom); | 747 pdman.set4f(fProxyRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBot
tom); |
748 pdman.set1f(fProfileSizeUniform, SkScalarCeilToScalar(6*rbe.getSigma())); | 748 pdman.set1f(fProfileSizeUniform, SkScalarCeilToScalar(6*rbe.getSigma())); |
749 } | 749 } |
750 | 750 |
751 bool GrRectBlurEffect::CreateBlurProfileTexture(GrContext *context, float sigma, | 751 bool GrRectBlurEffect::CreateBlurProfileTexture(GrContext *context, float sigma, |
752 GrTexture **blurProfileTexture)
{ | 752 GrTexture **blurProfileTexture)
{ |
| 753 GrTextureParams params; |
753 GrSurfaceDesc texDesc; | 754 GrSurfaceDesc texDesc; |
754 | 755 |
755 unsigned int profileSize = SkScalarCeilToInt(6*sigma); | 756 unsigned int profileSize = SkScalarCeilToInt(6*sigma); |
756 | 757 |
757 texDesc.fWidth = profileSize; | 758 texDesc.fWidth = profileSize; |
758 texDesc.fHeight = 1; | 759 texDesc.fHeight = 1; |
759 texDesc.fConfig = kAlpha_8_GrPixelConfig; | 760 texDesc.fConfig = kAlpha_8_GrPixelConfig; |
760 | 761 |
761 static const GrContentKey::Domain kDomain = GrContentKey::GenerateDomain(); | 762 static const GrContentKey::Domain kDomain = GrContentKey::GenerateDomain(); |
762 GrContentKey key; | 763 GrContentKey key; |
763 GrContentKey::Builder builder(&key, kDomain, 1); | 764 GrContentKey::Builder builder(&key, kDomain, 1); |
764 builder[0] = profileSize; | 765 builder[0] = profileSize; |
765 builder.finish(); | 766 builder.finish(); |
766 | 767 |
767 uint8_t *profile = NULL; | 768 uint8_t *profile = NULL; |
768 SkAutoTDeleteArray<uint8_t> ada(NULL); | 769 SkAutoTDeleteArray<uint8_t> ada(NULL); |
769 | 770 |
770 *blurProfileTexture = context->findAndRefCachedTexture(key); | 771 *blurProfileTexture = context->findAndRefTexture(texDesc, key, ¶ms); |
771 | 772 |
772 if (NULL == *blurProfileTexture) { | 773 if (NULL == *blurProfileTexture) { |
773 | 774 |
774 SkBlurMask::ComputeBlurProfile(sigma, &profile); | 775 SkBlurMask::ComputeBlurProfile(sigma, &profile); |
775 ada.reset(profile); | 776 ada.reset(profile); |
776 | 777 |
777 *blurProfileTexture = context->createTexture(texDesc, profile, 0); | 778 *blurProfileTexture = context->createTexture(¶ms, texDesc, key, prof
ile, 0); |
778 | 779 |
779 if (NULL == *blurProfileTexture) { | 780 if (NULL == *blurProfileTexture) { |
780 return false; | 781 return false; |
781 } | 782 } |
782 SkAssertResult(context->addResourceToCache(key, *blurProfileTexture)); | |
783 } | 783 } |
784 | 784 |
785 return true; | 785 return true; |
786 } | 786 } |
787 | 787 |
788 GrRectBlurEffect::GrRectBlurEffect(const SkRect& rect, float sigma, | 788 GrRectBlurEffect::GrRectBlurEffect(const SkRect& rect, float sigma, |
789 GrTexture *blur_profile) | 789 GrTexture *blur_profile) |
790 : fRect(rect), | 790 : fRect(rect), |
791 fSigma(sigma), | 791 fSigma(sigma), |
792 fBlurProfileAccess(blur_profile) { | 792 fBlurProfileAccess(blur_profile) { |
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918 return NULL; | 918 return NULL; |
919 } | 919 } |
920 | 920 |
921 static const GrContentKey::Domain kDomain = GrContentKey::GenerateDomain(); | 921 static const GrContentKey::Domain kDomain = GrContentKey::GenerateDomain(); |
922 GrContentKey key; | 922 GrContentKey key; |
923 GrContentKey::Builder builder(&key, kDomain, 2); | 923 GrContentKey::Builder builder(&key, kDomain, 2); |
924 builder[0] = blurRadius; | 924 builder[0] = blurRadius; |
925 builder[1] = cornerRadius; | 925 builder[1] = cornerRadius; |
926 builder.finish(); | 926 builder.finish(); |
927 | 927 |
928 GrTexture *blurNinePatchTexture = context->findAndRefCachedTexture(key); | 928 GrTextureParams params; |
| 929 params.setFilterMode(GrTextureParams::kBilerp_FilterMode); |
| 930 |
| 931 unsigned int smallRectSide = 2*(blurRadius + cornerRadius) + 1; |
| 932 unsigned int texSide = smallRectSide + 2*blurRadius; |
| 933 GrSurfaceDesc texDesc; |
| 934 texDesc.fWidth = texSide; |
| 935 texDesc.fHeight = texSide; |
| 936 texDesc.fConfig = kAlpha_8_GrPixelConfig; |
| 937 |
| 938 GrTexture *blurNinePatchTexture = context->findAndRefTexture(texDesc, key, &
params); |
929 | 939 |
930 if (NULL == blurNinePatchTexture) { | 940 if (NULL == blurNinePatchTexture) { |
931 SkMask mask; | 941 SkMask mask; |
932 | 942 |
933 unsigned int smallRectSide = 2*(blurRadius + cornerRadius) + 1; | |
934 | |
935 mask.fBounds = SkIRect::MakeWH(smallRectSide, smallRectSide); | 943 mask.fBounds = SkIRect::MakeWH(smallRectSide, smallRectSide); |
936 mask.fFormat = SkMask::kA8_Format; | 944 mask.fFormat = SkMask::kA8_Format; |
937 mask.fRowBytes = mask.fBounds.width(); | 945 mask.fRowBytes = mask.fBounds.width(); |
938 mask.fImage = SkMask::AllocImage(mask.computeTotalImageSize()); | 946 mask.fImage = SkMask::AllocImage(mask.computeTotalImageSize()); |
939 SkAutoMaskFreeImage amfi(mask.fImage); | 947 SkAutoMaskFreeImage amfi(mask.fImage); |
940 | 948 |
941 memset(mask.fImage, 0, mask.computeTotalImageSize()); | 949 memset(mask.fImage, 0, mask.computeTotalImageSize()); |
942 | 950 |
943 SkRect smallRect; | 951 SkRect smallRect; |
944 smallRect.setWH(SkIntToScalar(smallRectSide), SkIntToScalar(smallRectSid
e)); | 952 smallRect.setWH(SkIntToScalar(smallRectSide), SkIntToScalar(smallRectSid
e)); |
945 | 953 |
946 SkRRect smallRRect; | 954 SkRRect smallRRect; |
947 smallRRect.setRectXY(smallRect, SkIntToScalar(cornerRadius), SkIntToScal
ar(cornerRadius)); | 955 smallRRect.setRectXY(smallRect, SkIntToScalar(cornerRadius), SkIntToScal
ar(cornerRadius)); |
948 | 956 |
949 SkPath path; | 957 SkPath path; |
950 path.addRRect( smallRRect ); | 958 path.addRRect( smallRRect ); |
951 | 959 |
952 SkDraw::DrawToMask(path, &mask.fBounds, NULL, NULL, &mask, | 960 SkDraw::DrawToMask(path, &mask.fBounds, NULL, NULL, &mask, SkMask::kJust
RenderImage_CreateMode, SkPaint::kFill_Style); |
953 SkMask::kJustRenderImage_CreateMode, SkPaint::kFill_S
tyle); | |
954 | 961 |
955 SkMask blurred_mask; | 962 SkMask blurred_mask; |
956 SkBlurMask::BoxBlur(&blurred_mask, mask, sigma, kNormal_SkBlurStyle, kHi
gh_SkBlurQuality, | 963 SkBlurMask::BoxBlur(&blurred_mask, mask, sigma, kNormal_SkBlurStyle, kHi
gh_SkBlurQuality, NULL, true ); |
957 NULL, true ); | |
958 | 964 |
959 unsigned int texSide = smallRectSide + 2*blurRadius; | 965 blurNinePatchTexture = context->createTexture(¶ms, texDesc, key, blu
rred_mask.fImage, 0); |
960 GrSurfaceDesc texDesc; | |
961 texDesc.fWidth = texSide; | |
962 texDesc.fHeight = texSide; | |
963 texDesc.fConfig = kAlpha_8_GrPixelConfig; | |
964 | |
965 blurNinePatchTexture = context->createTexture(texDesc, blurred_mask.fIma
ge, 0); | |
966 SkAssertResult(context->addResourceToCache(key, blurNinePatchTexture)); | |
967 | |
968 SkMask::FreeImage(blurred_mask.fImage); | 966 SkMask::FreeImage(blurred_mask.fImage); |
969 } | 967 } |
970 | 968 |
971 SkAutoTUnref<GrTexture> blurunref(blurNinePatchTexture); | 969 SkAutoTUnref<GrTexture> blurunref(blurNinePatchTexture); |
972 if (NULL == blurNinePatchTexture) { | 970 if (NULL == blurNinePatchTexture) { |
973 return NULL; | 971 return NULL; |
974 } | 972 } |
975 | 973 |
976 return SkNEW_ARGS(GrRRectBlurEffect, (sigma, rrect, blurNinePatchTexture)); | 974 return SkNEW_ARGS(GrRRectBlurEffect, (sigma, rrect, blurNinePatchTexture)); |
977 } | 975 } |
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1267 } else { | 1265 } else { |
1268 str->append("None"); | 1266 str->append("None"); |
1269 } | 1267 } |
1270 str->append("))"); | 1268 str->append("))"); |
1271 } | 1269 } |
1272 #endif | 1270 #endif |
1273 | 1271 |
1274 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) | 1272 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) |
1275 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) | 1273 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) |
1276 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 1274 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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