Merge pull request #51679 from Je06jm/fsr

AMD FidelityFX Super Resolution

3 files changed, 31 insertions, 0 deletions

diff --git a/drivers/vulkan/rendering_device_vulkan.cpp b/drivers/vulkan/rendering_device_vulkan.cpp
index 4cae051302..952ee50074 100644
--- a/drivers/vulkan/rendering_device_vulkan.cpp
+++ b/drivers/vulkan/rendering_device_vulkan.cpp
@@ -8822,6 +8822,7 @@ void RenderingDeviceVulkan::initialize(VulkanContext *p_context, bool p_local_de
 		// get info about further features
 		VulkanContext::MultiviewCapabilities multiview_capabilies = p_context->get_multiview_capabilities();
 		device_capabilities.supports_multiview = multiview_capabilies.is_supported && multiview_capabilies.max_view_count > 1;
+		device_capabilities.supports_fsr_half_float = p_context->get_shader_capabilities().shader_float16_is_supported && p_context->get_storage_buffer_capabilities().storage_buffer_16_bit_access_is_supported;
 	}
 
 	context = p_context;
diff --git a/drivers/vulkan/vulkan_context.cpp b/drivers/vulkan/vulkan_context.cpp
index c178a68236..5912f481ec 100644
--- a/drivers/vulkan/vulkan_context.cpp
+++ b/drivers/vulkan/vulkan_context.cpp
@@ -535,6 +535,24 @@ Error VulkanContext::_check_capabilities() {
 		multiview_capabilities.is_supported = multiview_features.multiview;
 		multiview_capabilities.geometry_shader_is_supported = multiview_features.multiviewGeometryShader;
 		multiview_capabilities.tessellation_shader_is_supported = multiview_features.multiviewTessellationShader;
+
+		VkPhysicalDeviceShaderFloat16Int8FeaturesKHR shader_features;
+		shader_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_FLOAT16_INT8_FEATURES_KHR;
+		shader_features.pNext = NULL;
+
+		device_features.pNext = &shader_features;
+
+		device_features_func(gpu, &device_features);
+		shader_capabilities.shader_float16_is_supported = shader_features.shaderFloat16;
+
+		VkPhysicalDevice16BitStorageFeaturesKHR storage_feature;
+		storage_feature.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_16BIT_STORAGE_FEATURES_KHR;
+		storage_feature.pNext = NULL;
+
+		device_features.pNext = &storage_feature;
+
+		device_features_func(gpu, &device_features);
+		storage_buffer_capabilities.storage_buffer_16_bit_access_is_supported = storage_feature.storageBuffer16BitAccess;
 	}
 
 	// check extended properties
diff --git a/drivers/vulkan/vulkan_context.h b/drivers/vulkan/vulkan_context.h
index ae7c697be8..ab2f6a3eb5 100644
--- a/drivers/vulkan/vulkan_context.h
+++ b/drivers/vulkan/vulkan_context.h
@@ -66,6 +66,14 @@ public:
 		uint32_t max_instance_count;
 	};
 
+	struct ShaderCapabilities {
+		bool shader_float16_is_supported;
+	};
+
+	struct StorageBufferCapabilities {
+		bool storage_buffer_16_bit_access_is_supported;
+	};
+
 private:
 	enum {
 		MAX_EXTENSIONS = 128,
@@ -88,6 +96,8 @@ private:
 	uint32_t vulkan_patch = 0;
 	SubgroupCapabilities subgroup_capabilities;
 	MultiviewCapabilities multiview_capabilities;
+	ShaderCapabilities shader_capabilities;
+	StorageBufferCapabilities storage_buffer_capabilities;
 
 	String device_vendor;
 	String device_name;
@@ -239,6 +249,8 @@ public:
 	uint32_t get_vulkan_minor() const { return vulkan_minor; };
 	SubgroupCapabilities get_subgroup_capabilities() const { return subgroup_capabilities; };
 	MultiviewCapabilities get_multiview_capabilities() const { return multiview_capabilities; };
+	ShaderCapabilities get_shader_capabilities() const { return shader_capabilities; };
+	StorageBufferCapabilities get_storage_buffer_capabilities() const { return storage_buffer_capabilities; };
 
 	VkDevice get_device();
 	VkPhysicalDevice get_physical_device();