robertphillips | 76948d4 | 2016-05-04 12:47:41 -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 | |
| 8 | #include "GrRenderTargetProxy.h" |
| 9 | |
| 10 | #include "GrDrawTarget.h" |
| 11 | #include "GrGpuResourcePriv.h" |
| 12 | #include "GrRenderTargetPriv.h" |
| 13 | |
| 14 | GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrRenderTarget> rt) |
| 15 | : INHERITED(rt->desc(), SkBackingFit::kExact, rt->resourcePriv().isBudgeted()) |
| 16 | , fTarget(std::move(rt)) |
| 17 | , fSampleConfig(fTarget->renderTargetPriv().sampleConfig()) |
| 18 | , fLastDrawTarget(nullptr) { |
| 19 | } |
| 20 | |
| 21 | GrRenderTargetProxy::~GrRenderTargetProxy() { |
| 22 | if (fLastDrawTarget) { |
| 23 | fLastDrawTarget->clearRT(); |
| 24 | } |
| 25 | SkSafeUnref(fLastDrawTarget); |
| 26 | } |
| 27 | |
| 28 | GrRenderTarget* GrRenderTargetProxy::instantiate(GrTextureProvider* texProvider) { |
| 29 | if (fTarget) { |
| 30 | return fTarget.get(); |
| 31 | } |
| 32 | |
| 33 | // TODO: it would be nice to not have to copy the desc here |
| 34 | GrSurfaceDesc desc = fDesc; |
| 35 | desc.fFlags |= GrSurfaceFlags::kRenderTarget_GrSurfaceFlag; |
| 36 | |
| 37 | sk_sp<GrTexture> tex; |
| 38 | if (SkBackingFit::kApprox == fFit) { |
| 39 | tex.reset(texProvider->createApproxTexture(desc)); |
| 40 | } else { |
| 41 | tex.reset(texProvider->createTexture(desc, fBudgeted)); |
| 42 | } |
| 43 | if (!tex || !tex->asRenderTarget()) { |
| 44 | return nullptr; |
| 45 | } |
| 46 | |
| 47 | fTarget = sk_ref_sp(tex->asRenderTarget()); |
| 48 | |
| 49 | // Check that our a priori computation matched the ultimate reality |
| 50 | SkASSERT(fSampleConfig == fTarget->renderTargetPriv().sampleConfig()); |
| 51 | |
| 52 | return fTarget.get(); |
| 53 | } |
| 54 | |
| 55 | void GrRenderTargetProxy::setLastDrawTarget(GrDrawTarget* dt) { |
| 56 | if (fLastDrawTarget) { |
| 57 | // The non-MDB world never closes so we can't check this condition |
| 58 | #ifdef ENABLE_MDB |
| 59 | SkASSERT(fLastDrawTarget->isClosed()); |
| 60 | #endif |
| 61 | fLastDrawTarget->clearRT(); |
| 62 | } |
| 63 | |
| 64 | SkRefCnt_SafeAssign(fLastDrawTarget, dt); |
| 65 | } |
| 66 | |
| 67 | sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(const GrCaps& caps, |
| 68 | const GrSurfaceDesc& desc, |
| 69 | SkBackingFit fit, |
| 70 | SkBudgeted budgeted) { |
| 71 | return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(caps, desc, fit, budgeted)); |
| 72 | } |
| 73 | |
| 74 | sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(sk_sp<GrRenderTarget> rt) { |
| 75 | return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(rt)); |
| 76 | } |
| 77 | |