skia2/include/gpu/GrBackendSemaphore.h
Greg Daniel bdf12ad8d5 Move GrBackend enum to enum class.
Bug: skia:
Change-Id: I8add2470313549723be6720b543091c444d2eb4f
Reviewed-on: https://skia-review.googlesource.com/c/161680
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2018-10-12 14:01:58 +00:00

67 lines
1.6 KiB
C++

/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrBackendSemaphore_DEFINED
#define GrBackendSemaphore_DEFINED
#include "GrTypes.h"
#include "gl/GrGLTypes.h"
#include "vk/GrVkTypes.h"
/**
* Wrapper class for passing into and receiving data from Ganesh about a backend semaphore object.
*/
class GrBackendSemaphore {
public:
// For convenience we just set the backend here to OpenGL. The GrBackendSemaphore cannot be used
// until either initGL or initVulkan are called which will set the appropriate GrBackend.
GrBackendSemaphore() : fBackend(GrBackendApi::kOpenGL), fGLSync(0), fIsInitialized(false) {}
void initGL(GrGLsync sync) {
fBackend = GrBackendApi::kOpenGL;
fGLSync = sync;
fIsInitialized = true;
}
void initVulkan(VkSemaphore semaphore) {
fBackend = GrBackendApi::kVulkan;
fVkSemaphore = semaphore;
#ifdef SK_VULKAN
fIsInitialized = true;
#else
fIsInitialized = false;
#endif
}
bool isInitialized() const { return fIsInitialized; }
GrGLsync glSync() const {
if (!fIsInitialized || GrBackendApi::kOpenGL != fBackend) {
return 0;
}
return fGLSync;
}
VkSemaphore vkSemaphore() const {
if (!fIsInitialized || GrBackendApi::kVulkan != fBackend) {
return VK_NULL_HANDLE;
}
return fVkSemaphore;
}
private:
GrBackendApi fBackend;
union {
GrGLsync fGLSync;
VkSemaphore fVkSemaphore;
};
bool fIsInitialized;
};
#endif