Revert "Add API for flushing surfaces with gpu semaphores"

This reverts commit 66366c697853e906d961ae691e2bc5209cdcfa62.

Reason for revert: Failing test on mac bots

Original change's description:
> Add API for flushing surfaces with gpu semaphores
> 
> BUG=skia:
> 
> Change-Id: Ia4bfef784cd5f2516ceccafce958be18a86f91d1
> Reviewed-on: https://skia-review.googlesource.com/11488
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Forrest Reiling <freiling@google.com>

TBR=egdaniel@google.com,jvanverth@google.com,bsalomon@google.com,brianosman@google.com,freiling@google.com

Change-Id: I75633a2732d2d48b1926f9ad818a9f1a9196d211
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/20063
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>

1 files changed, 0 insertions, 25 deletions

diff --git a/include/core/SkSurface.h b/include/core/SkSurface.h
index 6fad21721e..efa2428ccb 100644
--- a/include/core/SkSurface.h
+++ b/include/core/SkSurface.h
@@ -15,7 +15,6 @@
 class SkCanvas;
 class SkPaint;
 class GrBackendRenderTarget;
-class GrBackendSemaphore;
 class GrContext;
 class GrRenderTarget;
 
@@ -324,33 +323,9 @@ public:
 
     /**
      * Issue any pending surface IO to the current backend 3D API and resolve any surface MSAA.
-     *
-     * The flush calls below are the new preferred way to flush calls to a surface, and this call
-     * will eventually be removed.
      */
     void prepareForExternalIO();
 
-    /**
-     * Issue any pending surface IO to the current backend 3D API
-     */
-    void flush();
-
-    /**
-     * Issue any pending surface IO to the current backend 3D API. After issuing all commands, we
-     * will issue numSemaphore semaphores for the gpu to signal. We will then fill in the array
-     * signalSemaphores with the info on the semaphores we submitted. The client is reposonsible for
-     * allocating enough space in signalSemaphores to handle numSemaphores of GrBackendSemaphores.
-     * The client will also take ownership of the returned underlying backend semaphores.
-     */
-    void flushAndSignalSemaphores(int numSemaphores, GrBackendSemaphore* signalSemaphores);
-
-    /**
-     * Inserts a list of GPU semaphores that the current backend 3D API must wait on before
-     * executing any more commands on the GPU for this surface. Skia will take ownership of the
-     * underlying semaphores and delete them once they have been signaled and waited on.
-     */
-    void wait(int numSemaphores, const GrBackendSemaphore* waitSemaphores);
-
 protected:
     SkSurface(int width, int height, const SkSurfaceProps*);
     SkSurface(const SkImageInfo&, const SkSurfaceProps*);