commit b46add81de01dce66169c3ee9c8bf45e10313b56
author Greg Daniel <egdaniel@google.com> Wed Jan 02 14:51:29 2019 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Jan 02 20:39:23 2019 +0000
tree 1bc5c0aabb40f1017cc1259b7d403f395c117a22
parent d0d5bb8c85002629fd0750c7548f468d188bd420

Add initial support for creating a vulkan secondary command buffer drawing context.

This sets up the context and adds support for creating RTContexts, RTProxies, RTs,
and GrVkRenderPass's that wrap the external secondary command buffer.

Bug: skia:
Change-Id: I80ebbb690a5fe464f775c5fcad651dfe2a150418
Reviewed-on: https://skia-review.googlesource.com/c/178926
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

src/gpu/GrProxyProvider.cpp

diff --git a/src/gpu/GrProxyProvider.cpp b/src/gpu/GrProxyProvider.cpp
index 0e9616a..0a45d60 100644
--- a/src/gpu/GrProxyProvider.cpp
+++ b/src/gpu/GrProxyProvider.cpp
@@ -515,12 +515,41 @@
     }
     SkASSERT(!rt->asTexture());  // A GrRenderTarget that's not textureable
     SkASSERT(!rt->getUniqueKey().isValid());
-    // Make sure we match how we created the proxy with SkBudgeted::kNo
+    // This proxy should be unbudgeted because we're just wrapping an external resource
     SkASSERT(SkBudgeted::kNo == rt->resourcePriv().isBudgeted());
 
     return sk_sp<GrSurfaceProxy>(new GrRenderTargetProxy(std::move(rt), origin));
 }
 
+sk_sp<GrRenderTargetProxy> GrProxyProvider::wrapVulkanSecondaryCBAsRenderTarget(
+        const SkImageInfo& imageInfo, const GrVkDrawableInfo& vkInfo) {
+    if (this->isAbandoned()) {
+        return nullptr;
+    }
+
+    // This is only supported on a direct GrContext.
+    if (!fResourceProvider) {
+        return nullptr;
+    }
+
+    sk_sp<GrRenderTarget> rt = fResourceProvider->wrapVulkanSecondaryCBAsRenderTarget(imageInfo,
+                                                                                      vkInfo);
+
+    if (!rt) {
+        return nullptr;
+    }
+    SkASSERT(!rt->asTexture());  // A GrRenderTarget that's not textureable
+    SkASSERT(!rt->getUniqueKey().isValid());
+    // This proxy should be unbudgeted because we're just wrapping an external resource
+    SkASSERT(SkBudgeted::kNo == rt->resourcePriv().isBudgeted());
+
+    // All Vulkan surfaces uses top left origins.
+    return sk_sp<GrRenderTargetProxy>(
+            new GrRenderTargetProxy(std::move(rt),
+                                    kTopLeft_GrSurfaceOrigin,
+                                    GrRenderTargetProxy::WrapsVkSecondaryCB::kYes));
+}
+
 sk_sp<GrTextureProxy> GrProxyProvider::createLazyProxy(LazyInstantiateCallback&& callback,
                                                        const GrBackendFormat& format,
                                                        const GrSurfaceDesc& desc,