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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #include "SkBitmapCache.h" | 8 #include "SkBitmapCache.h" |
9 #include "SkImage_Gpu.h" | 9 #include "SkImage_Gpu.h" |
| 10 #include "GrCaps.h" |
10 #include "GrContext.h" | 11 #include "GrContext.h" |
11 #include "GrDrawContext.h" | 12 #include "GrDrawContext.h" |
12 #include "effects/GrYUVtoRGBEffect.h" | 13 #include "effects/GrYUVtoRGBEffect.h" |
13 #include "SkCanvas.h" | 14 #include "SkCanvas.h" |
14 #include "SkGpuDevice.h" | 15 #include "SkGpuDevice.h" |
15 #include "SkPixelRef.h" | 16 #include "SkPixelRef.h" |
16 | 17 |
17 SkImage_Gpu::SkImage_Gpu(int w, int h, uint32_t uniqueID, SkAlphaType at, GrText
ure* tex, | 18 SkImage_Gpu::SkImage_Gpu(int w, int h, uint32_t uniqueID, SkAlphaType at, GrText
ure* tex, |
18 SkSurface::Budgeted budgeted) | 19 SkSurface::Budgeted budgeted) |
19 : INHERITED(w, h, uniqueID, nullptr) | 20 : INHERITED(w, h, uniqueID, nullptr) |
20 , fTexture(SkRef(tex)) | 21 , fTexture(SkRef(tex)) |
21 , fAlphaType(at) | 22 , fAlphaType(at) |
22 , fBudgeted(budgeted) | 23 , fBudgeted(budgeted) |
23 , fAddedRasterVersionToCache(false) | 24 , fAddedRasterVersionToCache(false) |
24 {} | 25 {} |
25 | 26 |
26 SkImage_Gpu::~SkImage_Gpu() { | 27 SkImage_Gpu::~SkImage_Gpu() { |
27 if (fAddedRasterVersionToCache.load()) { | 28 if (fAddedRasterVersionToCache.load()) { |
28 SkNotifyBitmapGenIDIsStale(this->uniqueID()); | 29 SkNotifyBitmapGenIDIsStale(this->uniqueID()); |
29 } | 30 } |
30 } | 31 } |
31 | 32 |
32 extern void SkTextureImageApplyBudgetedDecision(SkImage* image) { | 33 extern void SkTextureImageApplyBudgetedDecision(SkImage* image) { |
33 if (as_IB(image)->getTexture()) { | 34 if (as_IB(image)->getTexture()) { |
34 ((SkImage_Gpu*)image)->applyBudgetDecision(); | 35 ((SkImage_Gpu*)image)->applyBudgetDecision(); |
35 } | 36 } |
36 } | 37 } |
37 | 38 |
38 SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX, SkShader::TileMode
tileY, | |
39 const SkMatrix* localMatrix) const { | |
40 SkBitmap bm; | |
41 GrWrapTextureInBitmap(fTexture, this->width(), this->height(), this->isOpaqu
e(), &bm); | |
42 return SkShader::CreateBitmapShader(bm, tileX, tileY, localMatrix); | |
43 } | |
44 | |
45 bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { | 39 bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { |
46 if (SkBitmapCache::Find(this->uniqueID(), dst)) { | 40 if (SkBitmapCache::Find(this->uniqueID(), dst)) { |
47 SkASSERT(dst->getGenerationID() == this->uniqueID()); | 41 SkASSERT(dst->getGenerationID() == this->uniqueID()); |
48 SkASSERT(dst->isImmutable()); | 42 SkASSERT(dst->isImmutable()); |
49 SkASSERT(dst->getPixels()); | 43 SkASSERT(dst->getPixels()); |
50 return true; | 44 return true; |
51 } | 45 } |
52 | 46 |
53 SkAlphaType at = this->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaTyp
e; | 47 SkAlphaType at = this->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaTyp
e; |
54 if (!dst->tryAllocPixels(SkImageInfo::MakeN32(this->width(), this->height(),
at))) { | 48 if (!dst->tryAllocPixels(SkImageInfo::MakeN32(this->width(), this->height(),
at))) { |
55 return false; | 49 return false; |
56 } | 50 } |
57 if (!fTexture->readPixels(0, 0, dst->width(), dst->height(), kSkia8888_GrPix
elConfig, | 51 if (!fTexture->readPixels(0, 0, dst->width(), dst->height(), kSkia8888_GrPix
elConfig, |
58 dst->getPixels(), dst->rowBytes())) { | 52 dst->getPixels(), dst->rowBytes())) { |
59 return false; | 53 return false; |
60 } | 54 } |
61 | 55 |
62 dst->pixelRef()->setImmutableWithID(this->uniqueID()); | 56 dst->pixelRef()->setImmutableWithID(this->uniqueID()); |
63 SkBitmapCache::Add(this->uniqueID(), *dst); | 57 SkBitmapCache::Add(this->uniqueID(), *dst); |
64 fAddedRasterVersionToCache.store(true); | 58 fAddedRasterVersionToCache.store(true); |
65 return true; | 59 return true; |
66 } | 60 } |
67 | 61 |
68 GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, SkImageUsageType usage) con
st { | 62 GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, SkImageUsageType usage) con
st { |
| 63 const bool is_pow2 = SkIsPow2(this->width()) && SkIsPow2(this->height()); |
| 64 const bool npot_tex_supported = ctx->caps()->npotTextureTileSupport(); |
| 65 if (!is_pow2 && kUntiled_SkImageUsageType != usage && !npot_tex_supported) { |
| 66 // load as bitmap, since the GPU can support tiling a non-pow2 texture |
| 67 // related to skbug.com/4365 |
| 68 SkBitmap bitmap; |
| 69 if (this->getROPixels(&bitmap)) { |
| 70 return GrRefCachedBitmapTexture(ctx, bitmap, usage); |
| 71 } else { |
| 72 return nullptr; |
| 73 } |
| 74 } |
| 75 |
69 fTexture->ref(); | 76 fTexture->ref(); |
70 return fTexture; | 77 return fTexture; |
71 } | 78 } |
72 | 79 |
73 bool SkImage_Gpu::isOpaque() const { | 80 bool SkImage_Gpu::isOpaque() const { |
74 return GrPixelConfigIsOpaque(fTexture->config()) || fAlphaType == kOpaque_Sk
AlphaType; | 81 return GrPixelConfigIsOpaque(fTexture->config()) || fAlphaType == kOpaque_Sk
AlphaType; |
75 } | 82 } |
76 | 83 |
77 static void apply_premul(const SkImageInfo& info, void* pixels, size_t rowBytes)
{ | 84 static void apply_premul(const SkImageInfo& info, void* pixels, size_t rowBytes)
{ |
78 switch (info.colorType()) { | 85 switch (info.colorType()) { |
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281 if (!dst) { | 288 if (!dst) { |
282 return nullptr; | 289 return nullptr; |
283 } | 290 } |
284 | 291 |
285 const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight); | 292 const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight); |
286 const SkIPoint dstP = SkIPoint::Make(0, 0); | 293 const SkIPoint dstP = SkIPoint::Make(0, 0); |
287 ctx->copySurface(dst, src, srcR, dstP, GrContext::kFlushWrites_PixelOp); | 294 ctx->copySurface(dst, src, srcR, dstP, GrContext::kFlushWrites_PixelOp); |
288 return dst; | 295 return dst; |
289 } | 296 } |
290 | 297 |
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