Removed depthClamp requirement (note: portals will not render correctly on such devices)

Added format fallback support for VK_FORMAT_A2R10G10B10_UNORM_PACK32 since the pi4 doesn't support it

src/common/rendering/vulkan/renderer/vk_renderbuffers.cpp

@@ -212,13 +212,18 @@ void VkRenderBuffers::CreateSceneNormal(int width, int height, VkSampleCountFlag
 	ImageBuilder builder;
 	builder.setSize(width, height);
 	builder.setSamples(samples);
-	builder.setFormat(VK_FORMAT_A2R10G10B10_UNORM_PACK32);
+	builder.setFormat(SceneNormalFormat);
 	builder.setUsage(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_SAMPLED_BIT);
+	if (!builder.isFormatSupported(fb->device, VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT | VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
+	{
+		SceneNormalFormat = VK_FORMAT_R8G8B8A8_UNORM;
+		builder.setFormat(SceneNormalFormat);
+	}
 	SceneNormal.Image = builder.create(fb->device);
 	SceneNormal.Image->SetDebugName("VkRenderBuffers.SceneNormal");
 
 	ImageViewBuilder viewbuilder;
-	viewbuilder.setImage(SceneNormal.Image.get(), VK_FORMAT_A2R10G10B10_UNORM_PACK32);
+	viewbuilder.setImage(SceneNormal.Image.get(), SceneNormalFormat);
 	SceneNormal.View = viewbuilder.create(fb->device);
 	SceneNormal.View->SetDebugName("VkRenderBuffers.SceneNormalView");
 }

src/common/rendering/vulkan/renderer/vk_renderbuffers.h

@@ -24,6 +24,7 @@ public:
 	VkTextureImage SceneFog;
 
 	VkFormat SceneDepthStencilFormat = VK_FORMAT_D24_UNORM_S8_UINT;
+	VkFormat SceneNormalFormat = VK_FORMAT_A2R10G10B10_UNORM_PACK32;
 
 	static const int NumPipelineImages = 2;
 	VkTextureImage PipelineImage[NumPipelineImages];

src/common/rendering/vulkan/renderer/vk_renderpass.cpp

@@ -281,7 +281,7 @@ std::unique_ptr<VulkanRenderPass> VkRenderPassSetup::CreateRenderPass(int clearT
 {
 	auto buffers = GetVulkanFrameBuffer()->GetBuffers();
 
-	VkFormat drawBufferFormats[] = { VK_FORMAT_R16G16B16A16_SFLOAT, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_A2R10G10B10_UNORM_PACK32 };
+	VkFormat drawBufferFormats[] = { VK_FORMAT_R16G16B16A16_SFLOAT, VK_FORMAT_R8G8B8A8_UNORM, buffers->SceneNormalFormat };
 
 	RenderPassBuilder builder;
 
@@ -420,6 +420,7 @@ std::unique_ptr<VulkanPipeline> VkRenderPassSetup::CreatePipeline(const VkPipeli
 	builder.setTopology(vktopology[key.DrawType]);
 	builder.setDepthStencilEnable(key.DepthTest, key.DepthWrite, key.StencilTest);
 	builder.setDepthFunc(depthfunc2vk[key.DepthFunc]);
+	if (fb->device->UsedDeviceFeatures.depthClamp)
 		builder.setDepthClampEnable(key.DepthClamp);
 	builder.setDepthBias(key.DepthBias, 0.0f, 0.0f, 0.0f);
 

src/common/rendering/vulkan/system/vk_builders.h

@@ -45,7 +45,7 @@ public:
 	void setMemoryType(VkMemoryPropertyFlags requiredFlags, VkMemoryPropertyFlags preferredFlags, uint32_t memoryTypeBits = 0);
 	void setLinearTiling();
 
-	bool isFormatSupported(VulkanDevice *device);
+	bool isFormatSupported(VulkanDevice *device, VkFormatFeatureFlags bufferFeatures = 0);
 
 	std::unique_ptr<VulkanImage> create(VulkanDevice *device, VkDeviceSize* allocatedBytes = nullptr);
 	std::unique_ptr<VulkanImage> tryCreate(VulkanDevice *device);
@@ -410,7 +410,7 @@ inline void ImageBuilder::setMemoryType(VkMemoryPropertyFlags requiredFlags, VkM
 	allocInfo.memoryTypeBits = memoryTypeBits;
 }
 
-inline bool ImageBuilder::isFormatSupported(VulkanDevice *device)
+inline bool ImageBuilder::isFormatSupported(VulkanDevice *device, VkFormatFeatureFlags bufferFeatures)
 {
 	VkImageFormatProperties properties = { };
 	VkResult result = vkGetPhysicalDeviceImageFormatProperties(device->PhysicalDevice.Device, imageInfo.format, imageInfo.imageType, imageInfo.tiling, imageInfo.usage, imageInfo.flags, &properties);
@@ -421,6 +421,13 @@ inline bool ImageBuilder::isFormatSupported(VulkanDevice *device)
 	if (imageInfo.mipLevels > properties.maxMipLevels) return false;
 	if (imageInfo.arrayLayers > properties.maxArrayLayers) return false;
 	if ((imageInfo.samples & properties.sampleCounts) != imageInfo.samples) return false;
+	if (bufferFeatures != 0)
+	{
+		VkFormatProperties formatProperties = { };
+		vkGetPhysicalDeviceFormatProperties(device->PhysicalDevice.Device, imageInfo.format, &formatProperties);
+		if ((formatProperties.bufferFeatures & bufferFeatures) != bufferFeatures)
+			return false;
+	}
 	return true;
 }
 

src/common/rendering/vulkan/system/vk_device.cpp

@@ -108,8 +108,7 @@ bool VulkanDevice::CheckRequiredFeatures(const VkPhysicalDeviceFeatures &f)
 {
 	return
 		f.samplerAnisotropy == VK_TRUE &&
-		f.fragmentStoresAndAtomics == VK_TRUE &&
+		f.fragmentStoresAndAtomics == VK_TRUE;
-		f.depthClamp == VK_TRUE;
 }
 
 void VulkanDevice::SelectPhysicalDevice()