Add promise images for deferred instantiation of wrapped gpu textures

This will allow a client to make an SkImage that "wraps" a gpu texture,
however the client does need to supply the actual gpu texture at Image
creation time. Instead it is retrieve at flush time via a callback.

Bug: skia:
Change-Id: I6267a55ab7102101a7bd80a6f547b6a870d2df08
Reviewed-on: https://skia-review.googlesource.com/109021
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Cary Clark <caryclark@google.com>

1 files changed, 14 insertions, 5 deletions

diff --git a/src/gpu/GrProxyProvider.cpp b/src/gpu/GrProxyProvider.cpp
index dbd49a7ac3..7c82544cb1 100644
--- a/src/gpu/GrProxyProvider.cpp
+++ b/src/gpu/GrProxyProvider.cpp
@@ -524,6 +524,20 @@ sk_sp<GrTextureProxy> GrProxyProvider::createLazyProxy(LazyInstantiateCallback&&
                                                        GrMipMapped mipMapped,
                                                        GrRenderTargetFlags renderTargetFlags,
                                                        SkBackingFit fit, SkBudgeted budgeted) {
+    // For non-ddl draws always make lazy proxy's single use.
+    LazyInstantiationType lazyType = fResourceProvider ? LazyInstantiationType::kSingleUse
+                                                       : LazyInstantiationType::kMultipleUse;
+    return this->createLazyProxy(std::move(callback), desc, origin, mipMapped, renderTargetFlags,
+                                 fit, budgeted, lazyType);
+}
+
+sk_sp<GrTextureProxy> GrProxyProvider::createLazyProxy(LazyInstantiateCallback&& callback,
+                                                       const GrSurfaceDesc& desc,
+                                                       GrSurfaceOrigin origin,
+                                                       GrMipMapped mipMapped,
+                                                       GrRenderTargetFlags renderTargetFlags,
+                                                       SkBackingFit fit, SkBudgeted budgeted,
+                                                       LazyInstantiationType lazyType) {
     SkASSERT((desc.fWidth <= 0 && desc.fHeight <= 0) ||
              (desc.fWidth > 0 && desc.fHeight > 0));
     uint32_t flags = GrResourceProvider::kNoPendingIO_Flag;
@@ -539,11 +553,6 @@ sk_sp<GrTextureProxy> GrProxyProvider::createLazyProxy(LazyInstantiateCallback&&
     }
 #endif
 
-    using LazyInstantiationType = GrSurfaceProxy::LazyInstantiationType;
-    // For non-ddl draws always make lazy proxy's single use.
-    LazyInstantiationType lazyType = fResourceProvider ? LazyInstantiationType::kSingleUse
-                                                       : LazyInstantiationType::kMultipleUse;
-
     return sk_sp<GrTextureProxy>(
             SkToBool(kRenderTarget_GrSurfaceFlag & desc.fFlags)
                     ? new GrTextureRenderTargetProxy(std::move(callback), lazyType, desc, origin,