From 3f0b7673f070dca3b5487f81f29667c1da9e11e2 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 27 Mar 2020 02:50:27 -0300
Subject: [PATCH] renderer_vulkan/wrapper: Add exception class
---
src/video_core/renderer_vulkan/wrapper.cpp | 4 +++
src/video_core/renderer_vulkan/wrapper.h | 30 ++++++++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/src/video_core/renderer_vulkan/wrapper.cpp b/src/video_core/renderer_vulkan/wrapper.cpp
index b4afafbd5..1adf1b8c2 100644
--- a/src/video_core/renderer_vulkan/wrapper.cpp
+++ b/src/video_core/renderer_vulkan/wrapper.cpp
@@ -14,6 +14,10 @@
namespace Vulkan::vk {
+const char* Exception::what() const noexcept {
+ return ToString(result);
+}
+
const char* ToString(VkResult result) noexcept {
switch (result) {
case VkResult::VK_SUCCESS:
diff --git a/src/video_core/renderer_vulkan/wrapper.h b/src/video_core/renderer_vulkan/wrapper.h
index 8ecc1b5a3..b13d3882e 100644
--- a/src/video_core/renderer_vulkan/wrapper.h
+++ b/src/video_core/renderer_vulkan/wrapper.h
@@ -80,7 +80,37 @@ private:
std::size_t num = 0;
};
+/// Vulkan exception generated from a VkResult.
+class Exception final : public std::exception {
+public:
+ /// Construct the exception with a result.
+ /// @pre result != VK_SUCCESS
+ explicit Exception(VkResult result_) : result{result_} {}
+ virtual ~Exception() = default;
+
+ const char* what() const noexcept override;
+
+private:
+ VkResult result;
+};
+
/// Converts a VkResult enum into a rodata string
const char* ToString(VkResult) noexcept;
+/// Throws a Vulkan exception if result is not success.
+inline void Check(VkResult result) {
+ if (result != VK_SUCCESS) {
+ throw Exception(result);
+ }
+}
+
+/// Throws a Vulkan exception if result is an error.
+/// @return result
+inline VkResult Filter(VkResult result) {
+ if (result < 0) {
+ throw Exception(result);
+ }
+ return result;
+}
+
} // namespace Vulkan::vk