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>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index bade6e341c..7b0ab71676 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -172,11 +172,16 @@ SkSurfaceCharacterization GrContextThreadSafeProxy::createCharacterization(
                                      const SkImageInfo& ii, const GrBackendFormat& backendFormat,
                                      int sampleCnt, GrSurfaceOrigin origin,
                                      const SkSurfaceProps& surfaceProps,
-                                     bool isMipMapped) {
+                                     bool isMipMapped, bool willUseGLFBO0) {
     if (!backendFormat.isValid()) {
         return SkSurfaceCharacterization(); // return an invalid characterization
     }
 
+    if (kOpenGL_GrBackend != backendFormat.backend() && willUseGLFBO0) {
+        // The willUseGLFBO0 flags can only be used for a GL backend.
+        return SkSurfaceCharacterization(); // return an invalid characterization
+    }
+
     if (!fCaps->mipMapSupport()) {
         isMipMapped = false;
     }
@@ -211,6 +216,7 @@ SkSurfaceCharacterization GrContextThreadSafeProxy::createCharacterization(
                                      origin, config, FSAAType, sampleCnt,
                                      SkSurfaceCharacterization::Textureable(true),
                                      SkSurfaceCharacterization::MipMapped(isMipMapped),
+                                     SkSurfaceCharacterization::UsesGLFBO0(willUseGLFBO0),
                                      surfaceProps);
 }