Land scaffolding for explicit MDB resource allocation

Change-Id: I1cb30b50068e99181788181683e82e2421d0038a
Reviewed-on: https://skia-review.googlesource.com/46701
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/gpu/GrTextureOpList.cpp b/src/gpu/GrTextureOpList.cpp
index e5fbb20bf2..97371d598f 100644
--- a/src/gpu/GrTextureOpList.cpp
+++ b/src/gpu/GrTextureOpList.cpp
@@ -9,6 +9,7 @@
 
 #include "GrAuditTrail.h"
 #include "GrGpu.h"
+#include "GrResourceAllocator.h"
 #include "GrTextureProxy.h"
 #include "SkStringUtils.h"
 #include "ops/GrCopySurfaceOp.h"
@@ -108,6 +109,25 @@ bool GrTextureOpList::copySurface(const GrCaps& caps,
     return true;
 }
 
+void GrTextureOpList::gatherProxyIntervals(GrResourceAllocator* alloc) const {
+    unsigned int cur = alloc->numOps();
+
+    // Add the interval for all the writes to this opList's target
+    alloc->addInterval(fTarget.get(), cur, cur+fRecordedOps.count()-1);
+
+    auto gather = [ alloc ] (GrSurfaceProxy* p) {
+        alloc->addInterval(p);
+    };
+    for (int i = 0; i < fRecordedOps.count(); ++i) {
+        SkASSERT(alloc->curOp() == cur+i);
+
+        const GrOp* op = fRecordedOps[i].get(); // only diff from the GrRenderTargetOpList version
+        op->visitProxies(gather);
+
+        alloc->incOps();
+    }
+}
+
 void GrTextureOpList::recordOp(std::unique_ptr<GrOp> op) {
     SkASSERT(fTarget.get());
     // A closed GrOpList should never receive new/more ops