完成在Android上渲染三角形

vulkan/AppBase.cpp

@@ -1,14 +1,23 @@
 #include "AppBase.h"
 #include <assert.h>
 
+#ifdef  _WIN32
+#else
+#include <android/asset_manager.h>
+extern AAssetManager* g_assetManager;
+#endif //  _WIN32
+
 
 void VK_CHECK(VkResult ret)
 {
     assert(ret == VK_SUCCESS);
 }
 
-std::vector<char> AppBase::readFile(const std::string& enginePath)
+std::vector<char> AppBase::readFile(const std::string& path)
 {
+    std::vector<char> buffer;
+#ifdef _WIN32
+	std::string enginePath = "app/src/main/assets/" + path;
 	std::ifstream file{ enginePath, std::ios::ate | std::ios::binary };
 
 	if (!file.is_open())
@@ -17,13 +26,26 @@ std::vector<char> AppBase::readFile(const std::string& enginePath)
 	}
 
 	size_t fileSize = static_cast<size_t>(file.tellg());
-	std::vector<char> buffer(fileSize);
+	buffer.resize(fileSize);
 
 	file.seekg(0);
 	file.read(buffer.data(), fileSize);
 	file.close();
+#else
+	AAsset* asset = AAssetManager_open(g_assetManager, path.c_str(), AASSET_MODE_BUFFER);
+	if (!asset) {
+		logOut << "Failed to load file: " << path.c_str() << std::endl;
+		return buffer;
+	}
+
+	size_t length = AAsset_getLength(asset);
+    buffer.resize(length);
+	AAsset_read(asset, buffer.data(), length);
+	AAsset_close(asset);
+#endif // _WIN32
 	return buffer;
 }
+
 VkShaderModule AppBase::createShaderModule(VkDevice& device, const std::vector<char>& code)
 {
 	VkShaderModuleCreateInfo createInfo{};