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- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef GrVkExtensions_DEFINED
- #define GrVkExtensions_DEFINED
- #include "include/core/SkString.h"
- #include "include/gpu/vk/GrVkTypes.h"
- #include "include/private/SkTArray.h"
- /**
- * Helper class that eats in an array of extensions strings for instance and device and allows for
- * quicker querying if an extension is present.
- */
- class SK_API GrVkExtensions {
- public:
- GrVkExtensions() {}
- void init(GrVkGetProc, VkInstance, VkPhysicalDevice,
- uint32_t instanceExtensionCount, const char* const* instanceExtensions,
- uint32_t deviceExtensionCount, const char* const* deviceExtensions);
- bool hasExtension(const char[], uint32_t minVersion) const;
- struct Info {
- Info() {}
- Info(const char* name) : fName(name), fSpecVersion(0) {}
- SkString fName;
- uint32_t fSpecVersion;
- struct Less {
- bool operator() (const Info& a, const SkString& b) {
- return strcmp(a.fName.c_str(), b.c_str()) < 0;
- }
- bool operator() (const SkString& a, const GrVkExtensions::Info& b) {
- return strcmp(a.c_str(), b.fName.c_str()) < 0;
- }
- };
- };
- #ifdef SK_DEBUG
- void dump() const {
- SkDebugf("**Vulkan Extensions**\n");
- for (int i = 0; i < fExtensions.count(); ++i) {
- SkDebugf("%s. Version: %d\n",
- fExtensions[i].fName.c_str(), fExtensions[i].fSpecVersion);
- }
- SkDebugf("**End Vulkan Extensions**\n");
- }
- #endif
- private:
- void getSpecVersions(GrVkGetProc getProc, VkInstance, VkPhysicalDevice);
- SkTArray<Info> fExtensions;
- };
- #endif
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