cblume | 33e0cb5 | 2016-08-30 12:09:23 -0700 | [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 | #include <vector> |
| 8 | |
| 9 | #include "gm.h" |
cblume | 33e0cb5 | 2016-08-30 12:09:23 -0700 | [diff] [blame] | 10 | #include "SkMipMap.h" |
| 11 | #include "Resources.h" |
| 12 | |
| 13 | #if SK_SUPPORT_GPU |
brianosman | 1dfec74 | 2016-09-15 07:19:53 -0700 | [diff] [blame] | 14 | #include "GrContext.h" |
cblume | 33e0cb5 | 2016-08-30 12:09:23 -0700 | [diff] [blame] | 15 | |
| 16 | // Helper function that uploads the given SkImage using MakdeFromDeferredTextureImageData and then |
| 17 | // draws the uploaded version at the specified coordinates. |
| 18 | static void DrawDeferredTextureImageData(SkCanvas* canvas, |
| 19 | SkImage::DeferredTextureImageUsageParams* params) { |
| 20 | GrContext* context = canvas->getGrContext(); |
| 21 | if (!context) { |
| 22 | skiagm::GM::DrawGpuOnlyMessage(canvas); |
| 23 | return; |
| 24 | } |
| 25 | SkAutoTUnref<GrContextThreadSafeProxy> proxy(context->threadSafeProxy()); |
| 26 | |
| 27 | |
| 28 | |
| 29 | sk_sp<SkImage> encodedImage = GetResourceAsImage("mandrill_512.png"); |
| 30 | if (!encodedImage) { |
| 31 | SkDebugf("\nCould not load resource.\n"); |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | size_t requiredMemoryInBytes = encodedImage->getDeferredTextureImageData( |
| 36 | *proxy, params, 1, nullptr, SkSourceGammaTreatment::kRespect); |
| 37 | if (requiredMemoryInBytes == 0) { |
| 38 | SkDebugf("\nCould not create DeferredTextureImageData.\n"); |
| 39 | return; |
| 40 | } |
| 41 | |
| 42 | std::vector<uint8_t> memory; |
| 43 | memory.resize(requiredMemoryInBytes); |
| 44 | encodedImage->getDeferredTextureImageData( |
| 45 | *proxy, params, 1, memory.data(), SkSourceGammaTreatment::kRespect); |
| 46 | sk_sp<SkImage> uploadedEncodedImage = SkImage::MakeFromDeferredTextureImageData( |
| 47 | context, memory.data(), SkBudgeted::kNo); |
| 48 | |
| 49 | canvas->drawImage(uploadedEncodedImage, 10, 10); |
| 50 | |
| 51 | |
| 52 | |
| 53 | SkBitmap bitmap; |
| 54 | if (!GetResourceAsBitmap("mandrill_512.png", &bitmap)) { |
| 55 | SkDebugf("\nCould not decode resource.\n"); |
| 56 | return; |
| 57 | } |
| 58 | sk_sp<SkImage> decodedImage = SkImage::MakeFromBitmap(bitmap); |
| 59 | |
| 60 | requiredMemoryInBytes = decodedImage->getDeferredTextureImageData( |
| 61 | *proxy, params, 1, nullptr, SkSourceGammaTreatment::kRespect); |
| 62 | if (requiredMemoryInBytes == 0) { |
| 63 | SkDebugf("\nCould not create DeferredTextureImageData.\n"); |
| 64 | return; |
| 65 | } |
| 66 | |
| 67 | memory.resize(requiredMemoryInBytes); |
| 68 | decodedImage->getDeferredTextureImageData( |
| 69 | *proxy, params, 1, memory.data(), SkSourceGammaTreatment::kRespect); |
| 70 | sk_sp<SkImage> uploadedDecodedImage = SkImage::MakeFromDeferredTextureImageData( |
| 71 | context, memory.data(), SkBudgeted::kNo); |
| 72 | |
| 73 | canvas->drawImage(uploadedDecodedImage, 512 + 20, 10); |
| 74 | } |
| 75 | |
| 76 | static void DrawDeferredTextureImageMipMapTree(SkCanvas* canvas, SkImage* image, |
| 77 | SkImage::DeferredTextureImageUsageParams* params) { |
| 78 | GrContext* context = canvas->getGrContext(); |
| 79 | if (!context) { |
| 80 | skiagm::GM::DrawGpuOnlyMessage(canvas); |
| 81 | return; |
| 82 | } |
| 83 | SkAutoTUnref<GrContextThreadSafeProxy> proxy(context->threadSafeProxy()); |
| 84 | |
| 85 | SkPaint paint; |
| 86 | paint.setFilterQuality(params->fQuality); |
| 87 | |
| 88 | int mipLevelCount = SkMipMap::ComputeLevelCount(512, 512); |
| 89 | size_t requiredMemoryInBytes = image->getDeferredTextureImageData( |
| 90 | *proxy, params, 1, nullptr, SkSourceGammaTreatment::kRespect); |
| 91 | if (requiredMemoryInBytes == 0) { |
| 92 | SkDebugf("\nCould not create DeferredTextureImageData.\n"); |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | std::vector<uint8_t> memory; |
| 97 | memory.resize(requiredMemoryInBytes); |
| 98 | image->getDeferredTextureImageData( |
| 99 | *proxy, params, 1, memory.data(), SkSourceGammaTreatment::kRespect); |
| 100 | sk_sp<SkImage> uploadedImage = SkImage::MakeFromDeferredTextureImageData( |
| 101 | context, memory.data(), SkBudgeted::kNo); |
| 102 | |
| 103 | // draw a column using deferred texture images |
| 104 | SkScalar offsetHeight = 10.f; |
| 105 | // handle base mipmap level |
| 106 | canvas->save(); |
| 107 | canvas->translate(10.f, offsetHeight); |
| 108 | canvas->drawImage(uploadedImage, 0, 0, &paint); |
| 109 | canvas->restore(); |
| 110 | offsetHeight += 512 + 10; |
| 111 | // handle generated mipmap levels |
| 112 | for (int i = 0; i < mipLevelCount; i++) { |
| 113 | SkISize mipSize = SkMipMap::ComputeLevelSize(512, 512, i); |
| 114 | canvas->save(); |
| 115 | canvas->translate(10.f, offsetHeight); |
| 116 | canvas->scale(mipSize.width() / 512.f, mipSize.height() / 512.f); |
| 117 | canvas->drawImage(uploadedImage, 0, 0, &paint); |
| 118 | canvas->restore(); |
| 119 | offsetHeight += mipSize.height() + 10; |
| 120 | } |
| 121 | |
| 122 | // draw a column using SkImage |
| 123 | offsetHeight = 10; |
| 124 | // handle base mipmap level |
| 125 | canvas->save(); |
| 126 | canvas->translate(512.f + 20.f, offsetHeight); |
| 127 | canvas->drawImage(image, 0, 0, &paint); |
| 128 | canvas->restore(); |
| 129 | offsetHeight += 512 + 10; |
| 130 | // handle generated mipmap levels |
| 131 | for (int i = 0; i < mipLevelCount; i++) { |
| 132 | SkISize mipSize = SkMipMap::ComputeLevelSize(512, 512, i); |
| 133 | canvas->save(); |
| 134 | canvas->translate(512.f + 20.f, offsetHeight); |
| 135 | canvas->scale(mipSize.width() / 512.f, mipSize.height() / 512.f); |
| 136 | canvas->drawImage(image, 0, 0, &paint); |
| 137 | canvas->restore(); |
| 138 | offsetHeight += mipSize.height() + 10; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | DEF_SIMPLE_GM(deferred_texture_image_none, canvas, 512 + 512 + 30, 512 + 20) { |
| 143 | auto params = SkImage::DeferredTextureImageUsageParams(SkMatrix::MakeScale(1.f, 1.f), |
| 144 | kNone_SkFilterQuality, 0); |
| 145 | DrawDeferredTextureImageData(canvas, ¶ms); |
| 146 | } |
| 147 | |
| 148 | DEF_SIMPLE_GM(deferred_texture_image_low, canvas, 512 + 512 + 30, 512 + 20) { |
| 149 | auto params = SkImage::DeferredTextureImageUsageParams(SkMatrix::MakeScale(1.f, 1.f), |
| 150 | kLow_SkFilterQuality, 0); |
| 151 | DrawDeferredTextureImageData(canvas, ¶ms); |
| 152 | } |
| 153 | |
| 154 | DEF_SIMPLE_GM(deferred_texture_image_medium_encoded, canvas, 512 + 512 + 30, 1110) { |
| 155 | sk_sp<SkImage> encodedImage = GetResourceAsImage("mandrill_512.png"); |
| 156 | if (!encodedImage) { |
| 157 | SkDebugf("\nCould not load resource.\n"); |
| 158 | return; |
| 159 | } |
| 160 | |
| 161 | auto params = SkImage::DeferredTextureImageUsageParams(SkMatrix::MakeScale(0.25f, 0.25f), |
| 162 | kMedium_SkFilterQuality, 0); |
| 163 | DrawDeferredTextureImageMipMapTree(canvas, encodedImage.get(), ¶ms); |
| 164 | } |
| 165 | |
| 166 | DEF_SIMPLE_GM(deferred_texture_image_medium_decoded, canvas, 512 + 512 + 30, 1110) { |
| 167 | SkBitmap bitmap; |
| 168 | if (!GetResourceAsBitmap("mandrill_512.png", &bitmap)) { |
| 169 | SkDebugf("\nCould not decode resource.\n"); |
| 170 | return; |
| 171 | } |
| 172 | sk_sp<SkImage> decodedImage = SkImage::MakeFromBitmap(bitmap); |
| 173 | |
| 174 | auto params = SkImage::DeferredTextureImageUsageParams(SkMatrix::MakeScale(0.25f, 0.25f), |
| 175 | kMedium_SkFilterQuality, 0); |
| 176 | DrawDeferredTextureImageMipMapTree(canvas, decodedImage.get(), ¶ms); |
| 177 | } |
| 178 | |
| 179 | DEF_SIMPLE_GM(deferred_texture_image_high, canvas, 512 + 512 + 30, 512 + 20) { |
| 180 | auto params = SkImage::DeferredTextureImageUsageParams(SkMatrix::MakeScale(1.f, 1.f), |
| 181 | kHigh_SkFilterQuality, 0); |
| 182 | DrawDeferredTextureImageData(canvas, ¶ms); |
| 183 | } |
| 184 | |
| 185 | #endif |