Robert Phillips | eaa8625 | 2016-11-08 13:49:39 +0000 | [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 | // This is a GPU-backend specific test. |
| 9 | |
| 10 | #include "Test.h" |
| 11 | |
| 12 | #if SK_SUPPORT_GPU |
| 13 | #include "GrTextureProxy.h" |
| 14 | #include "GrRenderTargetContext.h" |
| 15 | |
| 16 | static const int kSize = 64; |
| 17 | |
| 18 | static sk_sp<GrRenderTargetContext> get_rtc(GrContext* ctx, bool wrapped) { |
| 19 | |
| 20 | if (wrapped) { |
| 21 | return ctx->makeRenderTargetContext(SkBackingFit::kExact, |
| 22 | kSize, kSize, |
| 23 | kRGBA_8888_GrPixelConfig, nullptr); |
| 24 | } else { |
| 25 | return ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, |
| 26 | kSize, kSize, |
| 27 | kRGBA_8888_GrPixelConfig, nullptr); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | static void check_is_wrapped_status(skiatest::Reporter* reporter, |
| 32 | GrRenderTargetContext* rtCtx, |
| 33 | bool wrappedExpectation) { |
| 34 | REPORTER_ASSERT(reporter, rtCtx->isWrapped_ForTesting() == wrappedExpectation); |
| 35 | |
Robert Phillips | f200a90 | 2017-01-30 13:27:37 -0500 | [diff] [blame] | 36 | GrTextureProxy* tProxy = rtCtx->asTextureProxy(); |
Robert Phillips | eaa8625 | 2016-11-08 13:49:39 +0000 | [diff] [blame] | 37 | REPORTER_ASSERT(reporter, tProxy); |
| 38 | |
| 39 | REPORTER_ASSERT(reporter, tProxy->isWrapped_ForTesting() == wrappedExpectation); |
| 40 | } |
| 41 | |
| 42 | DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RenderTargetContextTest, reporter, ctxInfo) { |
| 43 | GrContext* ctx = ctxInfo.grContext(); |
| 44 | |
| 45 | // A wrapped rtCtx's textureProxy is also wrapped |
| 46 | { |
| 47 | sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, true)); |
| 48 | check_is_wrapped_status(reporter, rtCtx.get(), true); |
| 49 | } |
| 50 | |
| 51 | // A deferred rtCtx's textureProxy is also deferred and GrRenderTargetContext::instantiate() |
| 52 | // swaps both from deferred to wrapped |
| 53 | { |
| 54 | sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false)); |
| 55 | |
| 56 | check_is_wrapped_status(reporter, rtCtx.get(), false); |
| 57 | |
| 58 | GrRenderTarget* rt = rtCtx->instantiate(); |
| 59 | REPORTER_ASSERT(reporter, rt); |
| 60 | |
| 61 | check_is_wrapped_status(reporter, rtCtx.get(), true); |
| 62 | } |
| 63 | |
| 64 | // Calling instantiate on a GrRenderTargetContext's textureProxy also instantiates the |
| 65 | // GrRenderTargetContext |
| 66 | { |
| 67 | sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false)); |
| 68 | |
| 69 | check_is_wrapped_status(reporter, rtCtx.get(), false); |
| 70 | |
Robert Phillips | f200a90 | 2017-01-30 13:27:37 -0500 | [diff] [blame] | 71 | GrTextureProxy* tProxy = rtCtx->asTextureProxy(); |
Robert Phillips | eaa8625 | 2016-11-08 13:49:39 +0000 | [diff] [blame] | 72 | REPORTER_ASSERT(reporter, tProxy); |
| 73 | |
| 74 | GrTexture* tex = tProxy->instantiate(ctx->textureProvider()); |
| 75 | REPORTER_ASSERT(reporter, tex); |
| 76 | |
| 77 | check_is_wrapped_status(reporter, rtCtx.get(), true); |
| 78 | } |
| 79 | |
| 80 | // readPixels switches a deferred rtCtx to wrapped |
| 81 | { |
| 82 | sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false)); |
| 83 | |
| 84 | check_is_wrapped_status(reporter, rtCtx.get(), false); |
| 85 | |
| 86 | SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(kSize, kSize); |
| 87 | SkAutoTMalloc<uint32_t> dstBuffer(kSize * kSize); |
| 88 | static const size_t kRowBytes = sizeof(uint32_t) * kSize; |
| 89 | |
| 90 | bool result = rtCtx->readPixels(dstInfo, dstBuffer.get(), kRowBytes, 0, 0); |
| 91 | REPORTER_ASSERT(reporter, result); |
| 92 | |
| 93 | check_is_wrapped_status(reporter, rtCtx.get(), true); |
| 94 | } |
| 95 | |
| 96 | // TODO: in a future world we should be able to add a test that the majority of |
| 97 | // GrRenderTargetContext calls do not force the instantiation of a deferred |
| 98 | // GrRenderTargetContext |
| 99 | } |
| 100 | #endif |