Renderer: Expose present mode and allow to query/set it

include/Nazara/Renderer/Enums.hpp

@@ -109,6 +109,24 @@ namespace Nz
 
 	using PipelineStageFlags = Flags<PipelineStage>;
 
+	enum class PresentMode
+	{
+		Immediate,
+		Mailbox,
+		RelaxedVerticalSync,
+		VerticalSync,
+
+		Max = VerticalSync
+	};
+
+	template<>
+	struct EnumAsFlags<PresentMode>
+	{
+		static constexpr PresentMode max = PresentMode::Max;
+	};
+
+	using PresentModeFlags = Flags<PresentMode>;
+
 	enum class QueueType
 	{
 		Compute,

include/Nazara/Renderer/Swapchain.hpp

@@ -32,8 +32,13 @@ namespace Nz
 
 			virtual std::shared_ptr<CommandPool> CreateCommandPool(QueueType queueType) = 0;
 
+			virtual PresentMode GetPresentMode() const = 0;
+			virtual PresentModeFlags GetSupportedPresentModes() const = 0;
+
 			virtual void NotifyResize(const Vector2ui& newSize) = 0;
 
+			virtual void SetPresentMode(PresentMode presentMode) = 0;
+
 			virtual TransientResources& Transient() = 0;
 
 		protected:

include/Nazara/Renderer/SwapchainParameters.hpp

@@ -8,6 +8,7 @@
 #define NAZARA_RENDERER_SWAPCHAINPARAMETERS_HPP
 
 #include <NazaraUtils/Prerequisites.hpp>
+#include <Nazara/Renderer/Enums.hpp>
 #include <Nazara/Utility/PixelFormat.hpp>
 #include <vector>
 
@@ -15,8 +16,8 @@ namespace Nz
 {
 	struct SwapchainParameters
 	{
-		std::vector<PixelFormat> depthFormats = {Nz::PixelFormat::Depth24Stencil8, Nz::PixelFormat::Depth32FStencil8, Nz::PixelFormat::Depth16Stencil8, Nz::PixelFormat::Depth32F, Nz::PixelFormat::Depth24}; //< By order of preference
-		bool verticalSync = false;
+		std::vector<PixelFormat> depthFormats = { Nz::PixelFormat::Depth24Stencil8, Nz::PixelFormat::Depth32FStencil8, Nz::PixelFormat::Depth16Stencil8, Nz::PixelFormat::Depth32F, Nz::PixelFormat::Depth24 }; //< By order of preference
+		std::vector<PresentMode> presentMode = { PresentMode::Mailbox, PresentMode::Immediate, PresentMode::RelaxedVerticalSync, PresentMode::VerticalSync }; //< By order of preference
 	};
 }