Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 | |
| 8 | #include "GrBitmapTextureMaker.h" |
| 9 | |
| 10 | #include "GrContext.h" |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 11 | #include "GrContextPriv.h" |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 12 | #include "GrGpuResourcePriv.h" |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 13 | #include "GrResourceProvider.h" |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 14 | #include "GrSurfaceContext.h" |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 15 | #include "SkBitmap.h" |
Brian Osman | 3b65598 | 2017-03-07 16:58:08 -0500 | [diff] [blame] | 16 | #include "SkGr.h" |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 17 | #include "SkMipMap.h" |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 18 | #include "SkPixelRef.h" |
| 19 | |
| 20 | static bool bmp_is_alpha_only(const SkBitmap& bm) { return kAlpha_8_SkColorType == bm.colorType(); } |
| 21 | |
| 22 | GrBitmapTextureMaker::GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap) |
| 23 | : INHERITED(context, bitmap.width(), bitmap.height(), bmp_is_alpha_only(bitmap)) |
| 24 | , fBitmap(bitmap) { |
| 25 | if (!bitmap.isVolatile()) { |
| 26 | SkIPoint origin = bitmap.pixelRefOrigin(); |
| 27 | SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY, bitmap.width(), |
| 28 | bitmap.height()); |
| 29 | GrMakeKeyFromImageID(&fOriginalKey, bitmap.pixelRef()->getGenerationID(), subset); |
| 30 | } |
| 31 | } |
| 32 | |
Robert Phillips | 0c984a0 | 2017-03-16 07:51:56 -0400 | [diff] [blame] | 33 | sk_sp<GrTextureProxy> GrBitmapTextureMaker::refOriginalTextureProxy(bool willBeMipped, |
Stan Iliev | ba81af2 | 2017-06-08 15:16:53 -0400 | [diff] [blame] | 34 | SkColorSpace* dstColorSpace, |
| 35 | AllowedTexGenType onlyIfFast) { |
| 36 | if (AllowedTexGenType::kCheap == onlyIfFast) { |
| 37 | return nullptr; |
| 38 | } |
| 39 | |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 40 | sk_sp<GrTextureProxy> proxy; |
Robert Phillips | 0c984a0 | 2017-03-16 07:51:56 -0400 | [diff] [blame] | 41 | |
| 42 | if (fOriginalKey.isValid()) { |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 43 | proxy = this->context()->resourceProvider()->findOrCreateProxyByUniqueKey( |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 44 | fOriginalKey, kTopLeft_GrSurfaceOrigin); |
Greg Daniel | e252f08 | 2017-10-23 16:05:23 -0400 | [diff] [blame] | 45 | if (proxy && (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped())) { |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 46 | return proxy; |
Robert Phillips | 0c984a0 | 2017-03-16 07:51:56 -0400 | [diff] [blame] | 47 | } |
| 48 | } |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 49 | |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 50 | if (!proxy) { |
| 51 | if (willBeMipped) { |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 52 | proxy = GrGenerateMipMapsAndUploadToTextureProxy(this->context(), fBitmap, |
| 53 | dstColorSpace); |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 54 | } |
| 55 | if (!proxy) { |
| 56 | proxy = GrUploadBitmapToTextureProxy(this->context()->resourceProvider(), fBitmap, |
| 57 | dstColorSpace); |
| 58 | } |
| 59 | if (proxy) { |
| 60 | if (fOriginalKey.isValid()) { |
| 61 | this->context()->resourceProvider()->assignUniqueKeyToProxy(fOriginalKey, |
| 62 | proxy.get()); |
| 63 | } |
Greg Daniel | e252f08 | 2017-10-23 16:05:23 -0400 | [diff] [blame] | 64 | if (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped()) { |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 65 | SkASSERT(proxy->origin() == kTopLeft_GrSurfaceOrigin); |
| 66 | if (fOriginalKey.isValid()) { |
| 67 | GrInstallBitmapUniqueKeyInvalidator(fOriginalKey, fBitmap.pixelRef()); |
| 68 | } |
| 69 | return proxy; |
Greg Daniel | bb76ace | 2017-09-29 15:58:22 -0400 | [diff] [blame] | 70 | } |
Greg Daniel | 55afd6d | 2017-09-29 09:32:44 -0400 | [diff] [blame] | 71 | } |
Robert Phillips | 0c984a0 | 2017-03-16 07:51:56 -0400 | [diff] [blame] | 72 | } |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 73 | |
| 74 | if (proxy) { |
| 75 | SkASSERT(willBeMipped); |
Greg Daniel | e252f08 | 2017-10-23 16:05:23 -0400 | [diff] [blame] | 76 | SkASSERT(GrMipMapped::kNo == proxy->mipMapped()); |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 77 | // We need a mipped proxy, but we either found a proxy earlier that wasn't mipped or |
| 78 | // generated a non mipped proxy. Thus we generate a new mipped surface and copy the original |
| 79 | // proxy into the base layer. We will then let the gpu generate the rest of the mips. |
Greg Daniel | e1da1d9 | 2017-10-06 15:59:27 -0400 | [diff] [blame] | 80 | if (auto mippedProxy = GrCopyBaseMipMapToTextureProxy(this->context(), proxy.get())) { |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 81 | SkASSERT(mippedProxy->origin() == kTopLeft_GrSurfaceOrigin); |
| 82 | if (fOriginalKey.isValid()) { |
| 83 | // In this case we are stealing the key from the original proxy which should only |
| 84 | // happen when we have just generated mipmaps for an originally unmipped |
| 85 | // proxy/texture. This means that all future uses of the key will access the |
| 86 | // mipmapped version. The texture backing the unmipped version will remain in the |
| 87 | // resource cache until the last texture proxy referencing it is deleted at which |
| 88 | // time it too will be deleted or recycled. |
| 89 | this->context()->resourceProvider()->removeUniqueKeyFromProxy(fOriginalKey, |
| 90 | proxy.get()); |
| 91 | this->context()->resourceProvider()->assignUniqueKeyToProxy(fOriginalKey, |
| 92 | mippedProxy.get()); |
| 93 | GrInstallBitmapUniqueKeyInvalidator(fOriginalKey, fBitmap.pixelRef()); |
| 94 | } |
| 95 | return mippedProxy; |
Greg Daniel | 87c76ed | 2017-10-03 13:42:45 +0000 | [diff] [blame] | 96 | } |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 97 | // We failed to make a mipped proxy with the base copied into it. This could have |
| 98 | // been from failure to make the proxy or failure to do the copy. Thus we will fall |
| 99 | // back to just using the non mipped proxy; See skbug.com/7094. |
| 100 | return proxy; |
Greg Daniel | 87c76ed | 2017-10-03 13:42:45 +0000 | [diff] [blame] | 101 | } |
Greg Daniel | fc5060d | 2017-10-04 18:36:15 +0000 | [diff] [blame] | 102 | return nullptr; |
Robert Phillips | 0c984a0 | 2017-03-16 07:51:56 -0400 | [diff] [blame] | 103 | } |
| 104 | |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 105 | void GrBitmapTextureMaker::makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey, |
Brian Osman | 61624f0 | 2016-12-09 14:51:59 -0500 | [diff] [blame] | 106 | SkColorSpace* dstColorSpace) { |
| 107 | // Destination color space is irrelevant - we always upload the bitmap's contents as-is |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 108 | if (fOriginalKey.isValid()) { |
| 109 | MakeCopyKeyFromOrigKey(fOriginalKey, copyParams, copyKey); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | void GrBitmapTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) { |
| 114 | GrInstallBitmapUniqueKeyInvalidator(copyKey, fBitmap.pixelRef()); |
| 115 | } |
| 116 | |
| 117 | SkAlphaType GrBitmapTextureMaker::alphaType() const { |
| 118 | return fBitmap.alphaType(); |
| 119 | } |
| 120 | |
Brian Osman | 61624f0 | 2016-12-09 14:51:59 -0500 | [diff] [blame] | 121 | sk_sp<SkColorSpace> GrBitmapTextureMaker::getColorSpace(SkColorSpace* dstColorSpace) { |
| 122 | // Color space doesn't depend on destination color space - it's just whatever is in the bitmap |
Robert Phillips | 256c37b | 2017-03-01 14:32:46 -0500 | [diff] [blame] | 123 | return fBitmap.refColorSpace(); |
Brian Osman | 3b66ab6 | 2016-11-28 09:26:31 -0500 | [diff] [blame] | 124 | } |