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/*
* Copyright 2022 Google LLC.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skgpu_VulkanExtensions_DEFINED
#define skgpu_VulkanExtensions_DEFINED
#include "include/core/SkString.h"
#include "include/gpu/vk/VulkanTypes.h"
#include "include/private/base/SkAPI.h"
#include "include/private/base/SkDebug.h"
#include "include/private/base/SkTArray.h"
#include "include/private/gpu/vk/SkiaVulkan.h"
#include <cstdint>
#include <cstring>
namespace skgpu {
/**
* 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 VulkanExtensions {
public:
VulkanExtensions() {}
void init(VulkanGetProc, 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) const {
return std::strcmp(a.fName.c_str(), b.c_str()) < 0;
}
bool operator()(const SkString& a, const VulkanExtensions::Info& b) const {
return std::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.size(); ++i) {
SkDebugf("%s. Version: %u\n",
fExtensions[i].fName.c_str(), fExtensions[i].fSpecVersion);
}
SkDebugf("**End Vulkan Extensions**\n");
}
#endif
private:
void getSpecVersions(const VulkanGetProc& getProc, VkInstance, VkPhysicalDevice);
skia_private::TArray<Info> fExtensions;
};
} // namespace skgpu
#endif // skgpu_VulkanExtensions_DEFINED
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