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