Add InternalSurfaceFlag so we know if RenderTargetProxys and RenderTargets use GL FBO 0.

Bug: skia:7748
Change-Id: I2fda3cde12ccdef19fe06ff287a8024b58d28ef0
Reviewed-on: https://skia-review.googlesource.com/124048
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

2 files changed, 11 insertions, 1 deletions

diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index e8f8acc3cf..1acd30c127 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -388,13 +388,15 @@ public:
      *                               with this characterization will be replayed into
      *  @param isMipMapped           Will the surface the DDL will be replayed into have space
      *                               allocated for mipmaps?
+     *  @param willUseGLFBO0         Will the surface the DDL will be replayed into be backed by GL
+     *                               FBO 0. This flag is only valid if using an GL backend.
      */
     SkSurfaceCharacterization createCharacterization(
                                   size_t cacheMaxResourceBytes,
                                   const SkImageInfo& ii, const GrBackendFormat& backendFormat,
                                   int sampleCount, GrSurfaceOrigin origin,
                                   const SkSurfaceProps& surfaceProps,
-                                  bool isMipMapped);
+                                  bool isMipMapped, bool willUseGLFBO0 = false);
 
     const GrCaps* caps() const { return fCaps.get(); }
     sk_sp<const GrCaps> refCaps() const { return fCaps; }
diff --git a/include/gpu/GrSurface.h b/include/gpu/GrSurface.h
index 46d3945de4..4ddc5d14cc 100644
--- a/include/gpu/GrSurface.h
+++ b/include/gpu/GrSurface.h
@@ -91,6 +91,14 @@ protected:
         return fSurfaceFlags & GrInternalSurfaceFlags::kWindowRectsSupport;
     }
 
+    void setGLRTFBOIDIs0() {
+        SkASSERT(this->asRenderTarget());
+        fSurfaceFlags |= GrInternalSurfaceFlags::kGLRTFBOIDIs0;
+    }
+    bool glRTFBOIDis0() const {
+        return fSurfaceFlags & GrInternalSurfaceFlags::kGLRTFBOIDIs0;
+    }
+
     // Methods made available via GrSurfacePriv
     bool hasPendingRead() const;
     bool hasPendingWrite() const;