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reed@google.com5d4ba882012-07-31 15:45:27 +00001/*
2 * Copyright 2012 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
robertphillipsc5035e72016-03-17 06:58:39 -07008#include "SkAutoPixmapStorage.h"
reed856e9d92015-09-30 12:21:45 -07009#include "GrCaps.h"
robertphillips@google.com97b6b072012-10-31 14:48:39 +000010#include "GrContext.h"
bsalomon993a4212015-05-29 11:37:25 -070011#include "GrDrawContext.h"
bsalomonf1ecd212015-12-09 17:06:02 -080012#include "GrImageIDTextureAdjuster.h"
bsalomonf267c1e2016-02-01 13:16:14 -080013#include "effects/GrYUVEffect.h"
bsalomon993a4212015-05-29 11:37:25 -070014#include "SkCanvas.h"
reed262a71b2015-12-05 13:07:27 -080015#include "SkBitmapCache.h"
bsalomon89fe56b2015-10-29 10:49:28 -070016#include "SkGrPriv.h"
reed262a71b2015-12-05 13:07:27 -080017#include "SkImage_Gpu.h"
ericrkb4da01d2016-06-13 11:18:14 -070018#include "SkMipMap.h"
reed6f1216a2015-08-04 08:10:13 -070019#include "SkPixelRef.h"
bsalomon993a4212015-05-29 11:37:25 -070020
reed80c772b2015-07-30 18:58:23 -070021SkImage_Gpu::SkImage_Gpu(int w, int h, uint32_t uniqueID, SkAlphaType at, GrTexture* tex,
brianosmandddbe382016-07-20 13:55:39 -070022 sk_sp<SkColorSpace> colorSpace, SkBudgeted budgeted)
reedaf3fbfc2015-10-04 11:28:36 -070023 : INHERITED(w, h, uniqueID)
reed8b26b992015-05-07 15:36:17 -070024 , fTexture(SkRef(tex))
reed8b26b992015-05-07 15:36:17 -070025 , fAlphaType(at)
bsalomoneaaaf0b2015-01-23 08:08:04 -080026 , fBudgeted(budgeted)
brianosmandddbe382016-07-20 13:55:39 -070027 , fColorSpace(std::move(colorSpace))
bsalomon1cd63112015-08-05 06:58:39 -070028 , fAddedRasterVersionToCache(false)
reedc9b5f8b2015-10-22 13:20:20 -070029{
30 SkASSERT(tex->width() == w);
31 SkASSERT(tex->height() == h);
32}
piotaixrcef04f82014-07-14 07:48:04 -070033
reed6f1216a2015-08-04 08:10:13 -070034SkImage_Gpu::~SkImage_Gpu() {
35 if (fAddedRasterVersionToCache.load()) {
36 SkNotifyBitmapGenIDIsStale(this->uniqueID());
37 }
38}
39
bsalomoneaaaf0b2015-01-23 08:08:04 -080040extern void SkTextureImageApplyBudgetedDecision(SkImage* image) {
robertphillipsea70c4b2016-07-20 08:54:31 -070041 if (image->isTextureBacked()) {
reed8b26b992015-05-07 15:36:17 -070042 ((SkImage_Gpu*)image)->applyBudgetDecision();
43 }
44}
45
brianosman396fcdb2016-07-22 06:26:11 -070046SkImageInfo SkImage_Gpu::onImageInfo() const {
47 SkColorType ct;
48 if (!GrPixelConfigToColorType(fTexture->config(), &ct)) {
49 ct = kUnknown_SkColorType;
50 }
51 return SkImageInfo::Make(fTexture->width(), fTexture->height(), ct, fAlphaType, fColorSpace);
52}
53
brianosmandddbe382016-07-20 13:55:39 -070054static SkImageInfo make_info(int w, int h, bool isOpaque, sk_sp<SkColorSpace> colorSpace) {
55 return SkImageInfo::MakeN32(w, h, isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType,
56 std::move(colorSpace));
reed88d064d2015-10-12 11:30:02 -070057}
58
reed09553032015-11-23 12:32:16 -080059bool SkImage_Gpu::getROPixels(SkBitmap* dst, CachingHint chint) const {
reed6f1216a2015-08-04 08:10:13 -070060 if (SkBitmapCache::Find(this->uniqueID(), dst)) {
61 SkASSERT(dst->getGenerationID() == this->uniqueID());
62 SkASSERT(dst->isImmutable());
63 SkASSERT(dst->getPixels());
64 return true;
65 }
66
brianosmandddbe382016-07-20 13:55:39 -070067 if (!dst->tryAllocPixels(make_info(this->width(), this->height(), this->isOpaque(),
68 this->fColorSpace))) {
reed8b26b992015-05-07 15:36:17 -070069 return false;
70 }
71 if (!fTexture->readPixels(0, 0, dst->width(), dst->height(), kSkia8888_GrPixelConfig,
72 dst->getPixels(), dst->rowBytes())) {
73 return false;
74 }
reed6f1216a2015-08-04 08:10:13 -070075
76 dst->pixelRef()->setImmutableWithID(this->uniqueID());
reed09553032015-11-23 12:32:16 -080077 if (kAllow_CachingHint == chint) {
78 SkBitmapCache::Add(this->uniqueID(), *dst);
79 fAddedRasterVersionToCache.store(true);
80 }
reed8b26b992015-05-07 15:36:17 -070081 return true;
82}
83
brianosman982eb7f2016-06-06 13:10:58 -070084GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, const GrTextureParams& params,
85 SkSourceGammaTreatment gammaTreatment) const {
86 return GrImageTextureAdjuster(as_IB(this)).refTextureSafeForParams(params, gammaTreatment,
87 nullptr);
reed85d91782015-09-10 14:33:38 -070088}
89
reed8b26b992015-05-07 15:36:17 -070090bool SkImage_Gpu::isOpaque() const {
bsalomon74f681d2015-06-23 14:38:48 -070091 return GrPixelConfigIsOpaque(fTexture->config()) || fAlphaType == kOpaque_SkAlphaType;
reed8b26b992015-05-07 15:36:17 -070092}
93
94static void apply_premul(const SkImageInfo& info, void* pixels, size_t rowBytes) {
95 switch (info.colorType()) {
96 case kRGBA_8888_SkColorType:
97 case kBGRA_8888_SkColorType:
98 break;
99 default:
100 return; // nothing to do
101 }
102
103 // SkColor is not necesarily RGBA or BGRA, but it is one of them on little-endian,
104 // and in either case, the alpha-byte is always in the same place, so we can safely call
105 // SkPreMultiplyColor()
106 //
107 SkColor* row = (SkColor*)pixels;
108 for (int y = 0; y < info.height(); ++y) {
109 for (int x = 0; x < info.width(); ++x) {
110 row[x] = SkPreMultiplyColor(row[x]);
111 }
112 }
113}
114
115bool SkImage_Gpu::onReadPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
reed09553032015-11-23 12:32:16 -0800116 int srcX, int srcY, CachingHint) const {
brianosmanb109b8c2016-06-16 13:03:24 -0700117 GrPixelConfig config = SkImageInfo2GrPixelConfig(info, *fTexture->getContext()->caps());
reed8b26b992015-05-07 15:36:17 -0700118 uint32_t flags = 0;
119 if (kUnpremul_SkAlphaType == info.alphaType() && kPremul_SkAlphaType == fAlphaType) {
120 // let the GPU perform this transformation for us
121 flags = GrContext::kUnpremul_PixelOpsFlag;
122 }
123 if (!fTexture->readPixels(srcX, srcY, info.width(), info.height(), config,
124 pixels, rowBytes, flags)) {
125 return false;
126 }
127 // do we have to manually fix-up the alpha channel?
128 // src dst
129 // unpremul premul fix manually
130 // premul unpremul done by kUnpremul_PixelOpsFlag
131 // all other combos need to change.
132 //
133 // Should this be handled by Ganesh? todo:?
134 //
135 if (kPremul_SkAlphaType == info.alphaType() && kUnpremul_SkAlphaType == fAlphaType) {
136 apply_premul(info, pixels, rowBytes);
137 }
138 return true;
139}
140
reed7fb4f8b2016-03-11 04:33:52 -0800141sk_sp<SkImage> SkImage_Gpu::onMakeSubset(const SkIRect& subset) const {
reed7b6945b2015-09-24 00:50:58 -0700142 GrContext* ctx = fTexture->getContext();
143 GrSurfaceDesc desc = fTexture->desc();
144 desc.fWidth = subset.width();
145 desc.fHeight = subset.height();
146
senorblanco87751122016-05-20 07:27:38 -0700147 sk_sp<GrTexture> subTx(ctx->textureProvider()->createTexture(desc, fBudgeted));
reed7b6945b2015-09-24 00:50:58 -0700148 if (!subTx) {
149 return nullptr;
150 }
senorblanco87751122016-05-20 07:27:38 -0700151 ctx->copySurface(subTx.get(), fTexture, subset, SkIPoint::Make(0, 0));
reed7fb4f8b2016-03-11 04:33:52 -0800152 return sk_make_sp<SkImage_Gpu>(desc.fWidth, desc.fHeight, kNeedNewImageUniqueID,
brianosmandddbe382016-07-20 13:55:39 -0700153 fAlphaType, subTx.get(), fColorSpace, fBudgeted);
reed7b6945b2015-09-24 00:50:58 -0700154}
155
reed8b26b992015-05-07 15:36:17 -0700156///////////////////////////////////////////////////////////////////////////////////////////////////
157
reed7fb4f8b2016-03-11 04:33:52 -0800158static sk_sp<SkImage> new_wrapped_texture_common(GrContext* ctx, const GrBackendTextureDesc& desc,
brianosmandddbe382016-07-20 13:55:39 -0700159 SkAlphaType at, sk_sp<SkColorSpace> colorSpace,
160 GrWrapOwnership ownership,
reed7fb4f8b2016-03-11 04:33:52 -0800161 SkImage::TextureReleaseProc releaseProc,
162 SkImage::ReleaseContext releaseCtx) {
reed8b26b992015-05-07 15:36:17 -0700163 if (desc.fWidth <= 0 || desc.fHeight <= 0) {
halcanary96fcdcc2015-08-27 07:41:13 -0700164 return nullptr;
reed8b26b992015-05-07 15:36:17 -0700165 }
bsalomon6dc6f5f2015-06-18 09:12:16 -0700166 SkAutoTUnref<GrTexture> tex(ctx->textureProvider()->wrapBackendTexture(desc, ownership));
reed8b26b992015-05-07 15:36:17 -0700167 if (!tex) {
halcanary96fcdcc2015-08-27 07:41:13 -0700168 return nullptr;
reed8b26b992015-05-07 15:36:17 -0700169 }
reedde499882015-06-18 13:41:40 -0700170 if (releaseProc) {
171 tex->setRelease(releaseProc, releaseCtx);
172 }
173
bsalomon5ec26ae2016-02-25 08:33:02 -0800174 const SkBudgeted budgeted = SkBudgeted::kNo;
reed7fb4f8b2016-03-11 04:33:52 -0800175 return sk_make_sp<SkImage_Gpu>(desc.fWidth, desc.fHeight, kNeedNewImageUniqueID,
brianosmandddbe382016-07-20 13:55:39 -0700176 at, tex, colorSpace, budgeted);
bsalomon6dc6f5f2015-06-18 09:12:16 -0700177}
178
reed7fb4f8b2016-03-11 04:33:52 -0800179sk_sp<SkImage> SkImage::MakeFromTexture(GrContext* ctx, const GrBackendTextureDesc& desc,
brianosmandddbe382016-07-20 13:55:39 -0700180 SkAlphaType at, sk_sp<SkColorSpace> cs,
181 TextureReleaseProc releaseP, ReleaseContext releaseC) {
182 return new_wrapped_texture_common(ctx, desc, at, std::move(cs), kBorrow_GrWrapOwnership,
183 releaseP, releaseC);
bsalomon6dc6f5f2015-06-18 09:12:16 -0700184}
185
reed7fb4f8b2016-03-11 04:33:52 -0800186sk_sp<SkImage> SkImage::MakeFromAdoptedTexture(GrContext* ctx, const GrBackendTextureDesc& desc,
brianosmandddbe382016-07-20 13:55:39 -0700187 SkAlphaType at, sk_sp<SkColorSpace> cs) {
188 return new_wrapped_texture_common(ctx, desc, at, std::move(cs), kAdopt_GrWrapOwnership,
189 nullptr, nullptr);
reed8b26b992015-05-07 15:36:17 -0700190}
191
jbaumanb445a572016-06-09 13:24:48 -0700192static sk_sp<SkImage> make_from_yuv_textures_copy(GrContext* ctx, SkYUVColorSpace colorSpace,
193 bool nv12,
194 const GrBackendObject yuvTextureHandles[],
195 const SkISize yuvSizes[],
brianosmandddbe382016-07-20 13:55:39 -0700196 GrSurfaceOrigin origin,
197 sk_sp<SkColorSpace> imageColorSpace) {
bsalomon5ec26ae2016-02-25 08:33:02 -0800198 const SkBudgeted budgeted = SkBudgeted::kYes;
bsalomon993a4212015-05-29 11:37:25 -0700199
jbaumanb445a572016-06-09 13:24:48 -0700200 if (yuvSizes[0].fWidth <= 0 || yuvSizes[0].fHeight <= 0 || yuvSizes[1].fWidth <= 0 ||
201 yuvSizes[1].fHeight <= 0) {
halcanary96fcdcc2015-08-27 07:41:13 -0700202 return nullptr;
bsalomon993a4212015-05-29 11:37:25 -0700203 }
jbaumanb445a572016-06-09 13:24:48 -0700204 if (!nv12 && (yuvSizes[2].fWidth <= 0 || yuvSizes[2].fHeight <= 0)) {
205 return nullptr;
206 }
207
208 const GrPixelConfig kConfig = nv12 ? kRGBA_8888_GrPixelConfig : kAlpha_8_GrPixelConfig;
209
bsalomon993a4212015-05-29 11:37:25 -0700210 GrBackendTextureDesc yDesc;
211 yDesc.fConfig = kConfig;
212 yDesc.fOrigin = origin;
213 yDesc.fSampleCnt = 0;
214 yDesc.fTextureHandle = yuvTextureHandles[0];
215 yDesc.fWidth = yuvSizes[0].fWidth;
216 yDesc.fHeight = yuvSizes[0].fHeight;
217
218 GrBackendTextureDesc uDesc;
219 uDesc.fConfig = kConfig;
220 uDesc.fOrigin = origin;
221 uDesc.fSampleCnt = 0;
222 uDesc.fTextureHandle = yuvTextureHandles[1];
223 uDesc.fWidth = yuvSizes[1].fWidth;
224 uDesc.fHeight = yuvSizes[1].fHeight;
225
jbaumanb445a572016-06-09 13:24:48 -0700226 sk_sp<GrTexture> yTex(
227 ctx->textureProvider()->wrapBackendTexture(yDesc, kBorrow_GrWrapOwnership));
228 sk_sp<GrTexture> uTex(
229 ctx->textureProvider()->wrapBackendTexture(uDesc, kBorrow_GrWrapOwnership));
230 sk_sp<GrTexture> vTex;
231 if (nv12) {
232 vTex = uTex;
233 } else {
234 GrBackendTextureDesc vDesc;
235 vDesc.fConfig = kConfig;
236 vDesc.fOrigin = origin;
237 vDesc.fSampleCnt = 0;
238 vDesc.fTextureHandle = yuvTextureHandles[2];
239 vDesc.fWidth = yuvSizes[2].fWidth;
240 vDesc.fHeight = yuvSizes[2].fHeight;
bsalomon993a4212015-05-29 11:37:25 -0700241
jbaumanb445a572016-06-09 13:24:48 -0700242 vTex = sk_sp<GrTexture>(
243 ctx->textureProvider()->wrapBackendTexture(vDesc, kBorrow_GrWrapOwnership));
244 }
bsalomon993a4212015-05-29 11:37:25 -0700245 if (!yTex || !uTex || !vTex) {
halcanary96fcdcc2015-08-27 07:41:13 -0700246 return nullptr;
bsalomon993a4212015-05-29 11:37:25 -0700247 }
248
robertphillipsd4c741e2016-04-28 09:55:15 -0700249 const int width = yuvSizes[0].fWidth;
250 const int height = yuvSizes[0].fHeight;
robertphillipsaa19a5f2016-04-28 06:21:55 -0700251
robertphillipsd4c741e2016-04-28 09:55:15 -0700252 // Needs to be a render target in order to draw to it for the yuv->rgb conversion.
robertphillips6738c702016-07-27 12:13:51 -0700253 sk_sp<GrDrawContext> drawContext(ctx->makeDrawContext(SkBackingFit::kExact,
254 width, height,
255 kRGBA_8888_GrPixelConfig,
256 std::move(imageColorSpace),
257 0,
258 origin));
robertphillipsd4c741e2016-04-28 09:55:15 -0700259 if (!drawContext) {
halcanary96fcdcc2015-08-27 07:41:13 -0700260 return nullptr;
bsalomon993a4212015-05-29 11:37:25 -0700261 }
262
263 GrPaint paint;
264 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
jbaumanb445a572016-06-09 13:24:48 -0700265 paint.addColorFragmentProcessor(
266 GrYUVEffect::MakeYUVToRGB(yTex.get(), uTex.get(), vTex.get(), yuvSizes, colorSpace, nv12));
bsalomon993a4212015-05-29 11:37:25 -0700267
robertphillipsd4c741e2016-04-28 09:55:15 -0700268 const SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
robertphillipsc9a37062015-09-01 08:34:28 -0700269
cdalton846c0512016-05-13 10:25:00 -0700270 drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), rect);
robertphillipsd4c741e2016-04-28 09:55:15 -0700271 ctx->flushSurfaceWrites(drawContext->accessRenderTarget());
272 return sk_make_sp<SkImage_Gpu>(width, height, kNeedNewImageUniqueID,
brianosmandddbe382016-07-20 13:55:39 -0700273 kOpaque_SkAlphaType, drawContext->asTexture().get(),
brianosmandfe4f2e2016-07-21 13:28:36 -0700274 sk_ref_sp(drawContext->getColorSpace()), budgeted);
bsalomon993a4212015-05-29 11:37:25 -0700275}
reed56179002015-07-07 06:11:19 -0700276
jbaumanb445a572016-06-09 13:24:48 -0700277sk_sp<SkImage> SkImage::MakeFromYUVTexturesCopy(GrContext* ctx, SkYUVColorSpace colorSpace,
278 const GrBackendObject yuvTextureHandles[3],
brianosmandddbe382016-07-20 13:55:39 -0700279 const SkISize yuvSizes[3], GrSurfaceOrigin origin,
280 sk_sp<SkColorSpace> imageColorSpace) {
281 return make_from_yuv_textures_copy(ctx, colorSpace, false, yuvTextureHandles, yuvSizes, origin,
282 std::move(imageColorSpace));
jbaumanb445a572016-06-09 13:24:48 -0700283}
284
285sk_sp<SkImage> SkImage::MakeFromNV12TexturesCopy(GrContext* ctx, SkYUVColorSpace colorSpace,
286 const GrBackendObject yuvTextureHandles[2],
287 const SkISize yuvSizes[2],
brianosmandddbe382016-07-20 13:55:39 -0700288 GrSurfaceOrigin origin,
289 sk_sp<SkColorSpace> imageColorSpace) {
290 return make_from_yuv_textures_copy(ctx, colorSpace, true, yuvTextureHandles, yuvSizes, origin,
291 std::move(imageColorSpace));
jbaumanb445a572016-06-09 13:24:48 -0700292}
293
reed7fb4f8b2016-03-11 04:33:52 -0800294static sk_sp<SkImage> create_image_from_maker(GrTextureMaker* maker, SkAlphaType at, uint32_t id) {
brianosman982eb7f2016-06-06 13:10:58 -0700295 SkAutoTUnref<GrTexture> texture(maker->refTextureForParams(GrTextureParams::ClampNoFilter(),
296 SkSourceGammaTreatment::kRespect));
bsalomon8e74f802016-01-30 10:01:40 -0800297 if (!texture) {
298 return nullptr;
299 }
reed7fb4f8b2016-03-11 04:33:52 -0800300 return sk_make_sp<SkImage_Gpu>(texture->width(), texture->height(), id, at, texture,
brianosmandddbe382016-07-20 13:55:39 -0700301 sk_ref_sp(maker->getColorSpace()), SkBudgeted::kNo);
bsalomon8e74f802016-01-30 10:01:40 -0800302}
303
reed7fb4f8b2016-03-11 04:33:52 -0800304sk_sp<SkImage> SkImage::makeTextureImage(GrContext *context) const {
bsalomon8e74f802016-01-30 10:01:40 -0800305 if (!context) {
306 return nullptr;
307 }
308 if (GrTexture* peek = as_IB(this)->peekTexture()) {
reed7fb4f8b2016-03-11 04:33:52 -0800309 return peek->getContext() == context ? sk_ref_sp(const_cast<SkImage*>(this)) : nullptr;
bsalomon8e74f802016-01-30 10:01:40 -0800310 }
311 // No way to check whether a image is premul or not?
312 SkAlphaType at = this->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
313
314 if (SkImageCacherator* cacher = as_IB(this)->peekCacherator()) {
315 GrImageTextureMaker maker(context, cacher, this, kDisallow_CachingHint);
316 return create_image_from_maker(&maker, at, this->uniqueID());
317 }
318 SkBitmap bmp;
319 if (!this->asLegacyBitmap(&bmp, kRO_LegacyBitmapMode)) {
320 return nullptr;
321 }
322 GrBitmapTextureMaker maker(context, bmp);
323 return create_image_from_maker(&maker, at, this->uniqueID());
324}
325
bsalomon634b4302016-07-12 18:11:17 -0700326sk_sp<SkImage> SkImage::makeNonTextureImage() const {
brianosman396fcdb2016-07-22 06:26:11 -0700327 if (!this->isTextureBacked()) {
bsalomon634b4302016-07-12 18:11:17 -0700328 return sk_ref_sp(const_cast<SkImage*>(this));
329 }
brianosman396fcdb2016-07-22 06:26:11 -0700330 SkImageInfo info = as_IB(this)->onImageInfo();
bsalomon634b4302016-07-12 18:11:17 -0700331 size_t rowBytes = info.minRowBytes();
332 size_t size = info.getSafeSize(rowBytes);
333 auto data = SkData::MakeUninitialized(size);
334 if (!data) {
335 return nullptr;
336 }
337 SkPixmap pm(info, data->writable_data(), rowBytes);
338 if (!this->readPixels(pm, 0, 0, kDisallow_CachingHint)) {
339 return nullptr;
340 }
341 return MakeRasterData(info, data, rowBytes);
342}
343
reed7fb4f8b2016-03-11 04:33:52 -0800344sk_sp<SkImage> SkImage::MakeTextureFromPixmap(GrContext* ctx, const SkPixmap& pixmap,
345 SkBudgeted budgeted) {
bsalomon0d996862016-03-09 18:44:43 -0800346 if (!ctx) {
347 return nullptr;
348 }
ericrk8bea8902016-03-18 11:52:20 -0700349 SkAutoTUnref<GrTexture> texture(GrUploadPixmapToTexture(ctx, pixmap, budgeted));
bsalomon0d996862016-03-09 18:44:43 -0800350 if (!texture) {
351 return nullptr;
352 }
reed7fb4f8b2016-03-11 04:33:52 -0800353 return sk_make_sp<SkImage_Gpu>(texture->width(), texture->height(), kNeedNewImageUniqueID,
brianosmandddbe382016-07-20 13:55:39 -0700354 pixmap.alphaType(), texture,
355 sk_ref_sp(pixmap.info().colorSpace()), budgeted);
bsalomon0d996862016-03-09 18:44:43 -0800356}
357
reed56179002015-07-07 06:11:19 -0700358///////////////////////////////////////////////////////////////////////////////////////////////////
359
bsalomon4d516a62016-07-28 13:37:31 -0700360namespace {
361struct MipMapLevelData {
362 void* fPixelData;
363 size_t fRowBytes;
bsalomon41b952c2016-03-11 06:46:33 -0800364};
365
bsalomon4d516a62016-07-28 13:37:31 -0700366struct DeferredTextureImage {
367 uint32_t fContextUniqueID;
368 // We don't store a SkImageInfo because it contains a ref-counted SkColorSpace.
369 int fWidth;
370 int fHeight;
371 SkColorType fColorType;
372 SkAlphaType fAlphaType;
373 void* fColorSpace;
374 size_t fColorSpaceSize;
375 int fColorTableCnt;
376 uint32_t* fColorTableData;
377 int fMipMapLevelCount;
378 // The fMipMapLevelData array may contain more than 1 element.
379 // It contains fMipMapLevelCount elements.
380 // That means this struct's size is not known at compile-time.
381 MipMapLevelData fMipMapLevelData[1];
382};
383} // anonymous namespace
384
bsalomon41b952c2016-03-11 06:46:33 -0800385size_t SkImage::getDeferredTextureImageData(const GrContextThreadSafeProxy& proxy,
ericrkb4da01d2016-06-13 11:18:14 -0700386 const DeferredTextureImageUsageParams params[],
brianosman6efeda42016-06-22 07:10:06 -0700387 int paramCnt, void* buffer) const {
ericrkb4da01d2016-06-13 11:18:14 -0700388 // Extract relevant min/max values from the params array.
389 int lowestPreScaleMipLevel = params[0].fPreScaleMipLevel;
390 SkFilterQuality highestFilterQuality = params[0].fQuality;
391 for (int i = 1; i < paramCnt; ++i) {
392 if (lowestPreScaleMipLevel > params[i].fPreScaleMipLevel)
393 lowestPreScaleMipLevel = params[i].fPreScaleMipLevel;
394 if (highestFilterQuality < params[i].fQuality)
395 highestFilterQuality = params[i].fQuality;
396 }
397
bsalomon41b952c2016-03-11 06:46:33 -0800398 const bool fillMode = SkToBool(buffer);
399 if (fillMode && !SkIsAlign8(reinterpret_cast<intptr_t>(buffer))) {
400 return 0;
401 }
402
ericrkb4da01d2016-06-13 11:18:14 -0700403 // Calculate scaling parameters.
404 bool isScaled = lowestPreScaleMipLevel != 0;
405
406 SkISize scaledSize;
407 if (isScaled) {
408 // SkMipMap::ComputeLevelSize takes an index into an SkMipMap. SkMipMaps don't contain the
409 // base level, so to get an SkMipMap index we must subtract one from the GL MipMap level.
410 scaledSize = SkMipMap::ComputeLevelSize(this->width(), this->height(),
411 lowestPreScaleMipLevel - 1);
412 } else {
413 scaledSize = SkISize::Make(this->width(), this->height());
414 }
415
416 // We never want to scale at higher than SW medium quality, as SW medium matches GPU high.
417 SkFilterQuality scaleFilterQuality = highestFilterQuality;
418 if (scaleFilterQuality > kMedium_SkFilterQuality) {
419 scaleFilterQuality = kMedium_SkFilterQuality;
420 }
421
ericrkc429baf2016-03-24 15:35:45 -0700422 const int maxTextureSize = proxy.fCaps->maxTextureSize();
ericrkb4da01d2016-06-13 11:18:14 -0700423 if (scaledSize.width() > maxTextureSize || scaledSize.height() > maxTextureSize) {
ericrkc429baf2016-03-24 15:35:45 -0700424 return 0;
425 }
426
bsalomon41b952c2016-03-11 06:46:33 -0800427 SkAutoPixmapStorage pixmap;
428 SkImageInfo info;
429 size_t pixelSize = 0;
430 size_t ctSize = 0;
431 int ctCount = 0;
ericrkb4da01d2016-06-13 11:18:14 -0700432 if (!isScaled && this->peekPixels(&pixmap)) {
bsalomon41b952c2016-03-11 06:46:33 -0800433 info = pixmap.info();
434 pixelSize = SkAlign8(pixmap.getSafeSize());
435 if (pixmap.ctable()) {
436 ctCount = pixmap.ctable()->count();
437 ctSize = SkAlign8(pixmap.ctable()->count() * 4);
438 }
439 } else {
440 // Here we're just using presence of data to know whether there is a codec behind the image.
441 // In the future we will access the cacherator and get the exact data that we want to (e.g.
442 // yuv planes) upload.
bungemanffae30d2016-08-03 13:32:32 -0700443 sk_sp<SkData> data(this->refEncoded());
ericrkb4da01d2016-06-13 11:18:14 -0700444 if (!data && !this->peekPixels(nullptr)) {
bsalomon41b952c2016-03-11 06:46:33 -0800445 return 0;
446 }
447 SkAlphaType at = this->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
ericrkb4da01d2016-06-13 11:18:14 -0700448 info = SkImageInfo::MakeN32(scaledSize.width(), scaledSize.height(), at);
bsalomon41b952c2016-03-11 06:46:33 -0800449 pixelSize = SkAlign8(SkAutoPixmapStorage::AllocSize(info, nullptr));
450 if (fillMode) {
451 pixmap.alloc(info);
ericrkb4da01d2016-06-13 11:18:14 -0700452 if (isScaled) {
453 if (!this->scalePixels(pixmap, scaleFilterQuality,
454 SkImage::kDisallow_CachingHint)) {
455 return 0;
456 }
457 } else {
458 if (!this->readPixels(pixmap, 0, 0, SkImage::kDisallow_CachingHint)) {
459 return 0;
460 }
bsalomon41b952c2016-03-11 06:46:33 -0800461 }
462 SkASSERT(!pixmap.ctable());
463 }
464 }
cblume2c052802016-05-31 09:55:08 -0700465 int mipMapLevelCount = 1;
bsalomon41b952c2016-03-11 06:46:33 -0800466 size_t size = 0;
467 size_t dtiSize = SkAlign8(sizeof(DeferredTextureImage));
468 size += dtiSize;
bsalomon4d516a62016-07-28 13:37:31 -0700469 size += mipMapLevelCount * sizeof(MipMapLevelData);
bsalomon41b952c2016-03-11 06:46:33 -0800470 size_t pixelOffset = size;
471 size += pixelSize;
472 size_t ctOffset = size;
473 size += ctSize;
bsalomon4d516a62016-07-28 13:37:31 -0700474 size_t colorSpaceOffset = 0;
475 size_t colorSpaceSize = 0;
476 if (info.colorSpace()) {
477 colorSpaceOffset = size;
478 colorSpaceSize = info.colorSpace()->writeToMemory(nullptr);
479 size += colorSpaceSize;
480 }
bsalomon41b952c2016-03-11 06:46:33 -0800481 if (!fillMode) {
482 return size;
483 }
484 intptr_t bufferAsInt = reinterpret_cast<intptr_t>(buffer);
485 void* pixels = reinterpret_cast<void*>(bufferAsInt + pixelOffset);
486 SkPMColor* ct = nullptr;
487 if (ctSize) {
488 ct = reinterpret_cast<SkPMColor*>(bufferAsInt + ctOffset);
489 }
490
491 memcpy(pixels, pixmap.addr(), pixmap.getSafeSize());
492 if (ctSize) {
493 memcpy(ct, pixmap.ctable()->readColors(), ctSize);
494 }
495
496 SkASSERT(info == pixmap.info());
497 size_t rowBytes = pixmap.rowBytes();
498 DeferredTextureImage* dti = new (buffer) DeferredTextureImage();
499 dti->fContextUniqueID = proxy.fContextUniqueID;
bsalomon4d516a62016-07-28 13:37:31 -0700500 dti->fWidth = info.width();
501 dti->fHeight = info.height();
502 dti->fColorType = info.colorType();
503 dti->fAlphaType = info.alphaType();
504 dti->fColorTableCnt = ctCount;
505 dti->fColorTableData = ct;
506 dti->fMipMapLevelCount = mipMapLevelCount;
507 dti->fMipMapLevelData[0].fPixelData = pixels;
508 dti->fMipMapLevelData[0].fRowBytes = rowBytes;
509 if (colorSpaceSize) {
510 dti->fColorSpace = reinterpret_cast<void*>(bufferAsInt + colorSpaceOffset);
511 dti->fColorSpaceSize = colorSpaceSize;
512 info.colorSpace()->writeToMemory(dti->fColorSpace);
513 } else {
514 dti->fColorSpace = nullptr;
515 dti->fColorSpaceSize = 0;
516 }
bsalomon41b952c2016-03-11 06:46:33 -0800517 return size;
518}
519
520sk_sp<SkImage> SkImage::MakeFromDeferredTextureImageData(GrContext* context, const void* data,
521 SkBudgeted budgeted) {
522 if (!data) {
523 return nullptr;
524 }
525 const DeferredTextureImage* dti = reinterpret_cast<const DeferredTextureImage*>(data);
526
527 if (!context || context->uniqueID() != dti->fContextUniqueID) {
528 return nullptr;
529 }
530 SkAutoTUnref<SkColorTable> colorTable;
bsalomon4d516a62016-07-28 13:37:31 -0700531 if (dti->fColorTableCnt) {
532 SkASSERT(dti->fColorTableData);
533 colorTable.reset(new SkColorTable(dti->fColorTableData, dti->fColorTableCnt));
bsalomon41b952c2016-03-11 06:46:33 -0800534 }
bsalomon4d516a62016-07-28 13:37:31 -0700535 SkASSERT(dti->fMipMapLevelCount == 1);
536 sk_sp<SkColorSpace> colorSpace;
537 if (dti->fColorSpaceSize) {
538 colorSpace = SkColorSpace::Deserialize(dti->fColorSpace, dti->fColorSpaceSize);
539 }
540 SkImageInfo info = SkImageInfo::Make(dti->fWidth, dti->fHeight,
541 dti->fColorType, dti->fAlphaType, colorSpace);
brianosman6efeda42016-06-22 07:10:06 -0700542 SkPixmap pixmap;
bsalomon4d516a62016-07-28 13:37:31 -0700543 pixmap.reset(info, dti->fMipMapLevelData[0].fPixelData,
544 dti->fMipMapLevelData[0].fRowBytes, colorTable.get());
brianosman6efeda42016-06-22 07:10:06 -0700545 return SkImage::MakeTextureFromPixmap(context, pixmap, budgeted);
bsalomon41b952c2016-03-11 06:46:33 -0800546}
547
548///////////////////////////////////////////////////////////////////////////////////////////////////
549
bsalomon5ec26ae2016-02-25 08:33:02 -0800550GrTexture* GrDeepCopyTexture(GrTexture* src, SkBudgeted budgeted) {
reed56179002015-07-07 06:11:19 -0700551 GrContext* ctx = src->getContext();
552
553 GrSurfaceDesc desc = src->desc();
halcanary96fcdcc2015-08-27 07:41:13 -0700554 GrTexture* dst = ctx->textureProvider()->createTexture(desc, budgeted, nullptr, 0);
reed56179002015-07-07 06:11:19 -0700555 if (!dst) {
halcanary96fcdcc2015-08-27 07:41:13 -0700556 return nullptr;
reed56179002015-07-07 06:11:19 -0700557 }
cblume61214052016-01-26 09:10:48 -0800558
reed56179002015-07-07 06:11:19 -0700559 const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
560 const SkIPoint dstP = SkIPoint::Make(0, 0);
bsalomonb8fea972016-02-16 07:34:17 -0800561 ctx->copySurface(dst, src, srcR, dstP);
562 ctx->flushSurfaceWrites(dst);
reed56179002015-07-07 06:11:19 -0700563 return dst;
564}
565
cblume186d2d42016-06-03 11:17:42 -0700566sk_sp<SkImage> SkImage::MakeTextureFromMipMap(GrContext* ctx, const SkImageInfo& info,
567 const GrMipLevel* texels, int mipLevelCount,
brianosman6efeda42016-06-22 07:10:06 -0700568 SkBudgeted budgeted) {
cblume186d2d42016-06-03 11:17:42 -0700569 if (!ctx) {
570 return nullptr;
571 }
572 SkAutoTUnref<GrTexture> texture(GrUploadMipMapToTexture(ctx, info, texels, mipLevelCount));
573 if (!texture) {
574 return nullptr;
575 }
576 return sk_make_sp<SkImage_Gpu>(texture->width(), texture->height(), kNeedNewImageUniqueID,
brianosmandddbe382016-07-20 13:55:39 -0700577 info.alphaType(), texture, sk_ref_sp(info.colorSpace()),
578 budgeted);
cblume186d2d42016-06-03 11:17:42 -0700579}