1 /* 2 * Copyright 2017 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 "GrOnFlushResourceProvider.h" 9 10 #include "GrContextPriv.h" 11 #include "GrDrawingManager.h" 12 #include "GrProxyProvider.h" 13 #include "GrSurfaceProxy.h" 14 15 sk_sp<GrRenderTargetContext> GrOnFlushResourceProvider::makeRenderTargetContext( 16 const GrSurfaceDesc& desc, 17 sk_sp<SkColorSpace> colorSpace, 18 const SkSurfaceProps* props) { 19 GrSurfaceDesc tmpDesc = desc; 20 tmpDesc.fFlags |= kRenderTarget_GrSurfaceFlag; 21 22 auto proxyProvider = fDrawingMgr->getContext()->contextPriv().proxyProvider(); 23 auto resourceProvider = fDrawingMgr->getContext()->contextPriv().resourceProvider(); 24 25 // Because this is being allocated at the start of a flush we must ensure the proxy 26 // will, when instantiated, have no pending IO. 27 // TODO: fold the kNoPendingIO_Flag into GrSurfaceFlags? 28 sk_sp<GrSurfaceProxy> proxy = proxyProvider->createProxy(tmpDesc, SkBackingFit::kExact, 29 SkBudgeted::kYes, 30 GrResourceProvider::kNoPendingIO_Flag); 31 if (!proxy->asRenderTargetProxy()) { 32 return nullptr; 33 } 34 35 sk_sp<GrRenderTargetContext> renderTargetContext( 36 fDrawingMgr->makeRenderTargetContext(std::move(proxy), 37 std::move(colorSpace), 38 props, false)); 39 40 if (!renderTargetContext) { 41 return nullptr; 42 } 43 44 // Since this is at flush time and these won't be allocated for us by the GrResourceAllocator 45 // we have to manually ensure it is allocated here. The proxy had best have been created 46 // with the kNoPendingIO flag! 47 if (!renderTargetContext->asSurfaceProxy()->instantiate(resourceProvider)) { 48 return nullptr; 49 } 50 51 renderTargetContext->discard(); 52 53 return renderTargetContext; 54 } 55 56 // TODO: we only need this entry point as long as we have to pre-allocate the atlas. 57 // Remove it ASAP. 58 sk_sp<GrRenderTargetContext> GrOnFlushResourceProvider::makeRenderTargetContext( 59 sk_sp<GrSurfaceProxy> proxy, 60 sk_sp<SkColorSpace> colorSpace, 61 const SkSurfaceProps* props) { 62 sk_sp<GrRenderTargetContext> renderTargetContext( 63 fDrawingMgr->makeRenderTargetContext(std::move(proxy), 64 std::move(colorSpace), 65 props, false)); 66 67 if (!renderTargetContext) { 68 return nullptr; 69 } 70 71 auto resourceProvider = fDrawingMgr->getContext()->contextPriv().resourceProvider(); 72 73 // Since this is at flush time and these won't be allocated for us by the GrResourceAllocator 74 // we have to manually ensure it is allocated here. The proxy had best have been created 75 // with the kNoPendingIO flag! 76 if (!renderTargetContext->asSurfaceProxy()->instantiate(resourceProvider)) { 77 return nullptr; 78 } 79 80 renderTargetContext->discard(); 81 82 return renderTargetContext; 83 } 84 85 sk_sp<GrBuffer> GrOnFlushResourceProvider::makeBuffer(GrBufferType intendedType, size_t size, 86 const void* data) { 87 auto resourceProvider = fDrawingMgr->getContext()->contextPriv().resourceProvider(); 88 return sk_sp<GrBuffer>(resourceProvider->createBuffer(size, intendedType, 89 kDynamic_GrAccessPattern, 90 GrResourceProvider::kNoPendingIO_Flag, 91 data)); 92 } 93 94 sk_sp<const GrBuffer> GrOnFlushResourceProvider::findOrMakeStaticBuffer(GrBufferType intendedType, 95 size_t size, 96 const void* data, 97 const GrUniqueKey& key) { 98 auto resourceProvider = fDrawingMgr->getContext()->contextPriv().resourceProvider(); 99 sk_sp<const GrBuffer> buffer = resourceProvider->findOrMakeStaticBuffer(intendedType, size, 100 data, key); 101 // Static buffers should never have pending IO. 102 SkASSERT(!buffer->resourcePriv().hasPendingIO_debugOnly()); 103 return buffer; 104 } 105 106 const GrCaps* GrOnFlushResourceProvider::caps() const { 107 return fDrawingMgr->getContext()->caps(); 108 } 109