memory system tweaks

This reverts commit 20636ec951.

CMakeLists.txt

@@ -9,7 +9,7 @@ option(BUILD_SHARED_LIBS "Build shared library" ON)
 # Version
 SET(LIB_MAJOR_VERSION "1")
 SET(LIB_MINOR_VERSION "15")
-SET(LIB_REVISION "1")
+SET(LIB_REVISION "4")
 SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
 
 # Build Type

include/Refresh.h

@@ -56,7 +56,7 @@ extern "C" {
 
 #define REFRESH_MAJOR_VERSION   1
 #define REFRESH_MINOR_VERSION	15
-#define REFRESH_PATCH_VERSION	1
+#define REFRESH_PATCH_VERSION	4
 
 #define REFRESH_COMPILED_VERSION ( \
 	(REFRESH_MAJOR_VERSION * 100 * 100) + \

shadercompiler/Program.cs

@@ -238,7 +238,7 @@ partial class Program
 	{
 		Process glslc = Process.Start(
 			"glslc",
-			$"""{glslPath}"" -o ""{outputPath}"""
+			$"\"{glslPath}\" -o \"{outputPath}\""
 		);
 		glslc.WaitForExit();
 		if (glslc.ExitCode != 0)
@@ -254,7 +254,7 @@ partial class Program
 	{
 		Process spirvcross = Process.Start(
 			"spirv-cross",
-			$"""{spirvPath}"" --hlsl --shader-model 50 --output ""{outputPath}"""
+			$"\"{spirvPath}\" --hlsl --shader-model 50 --output \"{outputPath}\""
 		);
 		spirvcross.WaitForExit();
 		if (spirvcross.ExitCode != 0)

src/Refresh_Driver_Vulkan.c

@@ -79,7 +79,8 @@ typedef struct VulkanExtensions
 #define ALLOCATION_INCREMENT 16000000           /* 16MB */
 #define TRANSFER_BUFFER_STARTING_SIZE 8000000 	/* 8MB */
 #define POOLED_TRANSFER_BUFFER_SIZE 16000000    /* 16MB */
-#define UBO_BUFFER_SIZE 16000 			        /* 16KB */
+#define UBO_BUFFER_SIZE 16777216 				/* 16MB */
+#define UBO_SECTION_SIZE 4096 			        /* 4KB */
 #define DESCRIPTOR_POOL_STARTING_SIZE 128
 #define DEFRAG_TIME 200
 #define WINDOW_DATA "Refresh_VulkanWindowData"
@@ -560,8 +561,8 @@ static const VulkanResourceAccessInfo AccessMap[RESOURCE_ACCESS_TYPES_COUNT] =
 
 	/* RESOURCE_ACCESS_ANY_SHADER_READ_SAMPLED_IMAGE */
 	{
-		VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
+		VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
-		VK_ACCESS_SHADER_READ_BIT,
+		VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT,
 		VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
 	},
 
@@ -707,6 +708,7 @@ struct VulkanBuffer
 	VulkanResourceAccessType resourceAccessType;
 	VkBufferUsageFlags usage;
 
+	uint8_t requireHostVisible;
 	uint8_t preferDeviceLocal;
 
 	SDL_atomic_t referenceCount; /* Tracks command buffer usage */
@@ -719,8 +721,8 @@ typedef struct VulkanUniformBufferPool VulkanUniformBufferPool;
 typedef struct VulkanUniformBuffer
 {
 	VulkanUniformBufferPool *pool;
-	VulkanBufferContainer *vulkanBufferContainer; /* use container to avoid defrag issues */
+	VkDeviceSize poolOffset; /* memory offset relative to the pool buffer */
-	VkDeviceSize offset;
+	VkDeviceSize offset; /* based on uniform pushes */
 	VkDescriptorSet descriptorSet;
 } VulkanUniformBuffer;
 
@@ -746,10 +748,13 @@ typedef struct VulkanUniformDescriptorPool
 	uint32_t availableDescriptorSetCount;
 } VulkanUniformDescriptorPool;
 
+/* This is actually just one buffer that we carve slices out of. */
 struct VulkanUniformBufferPool
 {
 	VulkanUniformBufferType type;
 	VulkanUniformDescriptorPool descriptorPool;
+	VulkanBuffer *buffer;
+	VkDeviceSize nextAvailableOffset;
 	SDL_mutex *lock;
 
 	VulkanUniformBuffer **availableBuffers;
@@ -1776,6 +1781,8 @@ typedef struct VulkanRenderer
 	VkDescriptorSetLayout vertexUniformDescriptorSetLayout;
 	VkDescriptorSetLayout fragmentUniformDescriptorSetLayout;
 	VkDescriptorSetLayout computeUniformDescriptorSetLayout;
+
+	VulkanBuffer *dummyBuffer;
 	VulkanUniformBuffer *dummyVertexUniformBuffer;
 	VulkanUniformBuffer *dummyFragmentUniformBuffer;
 	VulkanUniformBuffer *dummyComputeUniformBuffer;
@@ -1973,59 +1980,51 @@ static inline uint32_t VULKAN_INTERNAL_BytesPerPixel(VkFormat format)
 {
 	switch (format)
 	{
+		case VK_FORMAT_R8_UNORM:
+		case VK_FORMAT_R8_UINT:
+			return 1;
+		case VK_FORMAT_R5G6B5_UNORM_PACK16:
+		case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
+		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
+		case VK_FORMAT_R16_SFLOAT:
+		case VK_FORMAT_R8G8_SNORM:
+		case VK_FORMAT_R8G8_UINT:
+		case VK_FORMAT_R16_UINT:
+		case VK_FORMAT_D16_UNORM:
+			return 2;
+		case VK_FORMAT_D16_UNORM_S8_UINT:
+			return 3;
+		case VK_FORMAT_R8G8B8A8_UNORM:
+		case VK_FORMAT_B8G8R8A8_UNORM:
+		case VK_FORMAT_R32_SFLOAT:
+		case VK_FORMAT_R16G16_UNORM:
+		case VK_FORMAT_R16G16_SFLOAT:
+		case VK_FORMAT_R8G8B8A8_SNORM:
+		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
+		case VK_FORMAT_R8G8B8A8_UINT:
+		case VK_FORMAT_R16G16_UINT:
+		case VK_FORMAT_D32_SFLOAT:
+			return 4;
+		case VK_FORMAT_D32_SFLOAT_S8_UINT:
+			return 5;
+		case VK_FORMAT_R16G16B16A16_SFLOAT:
+		case VK_FORMAT_R16G16B16A16_UNORM:
+		case VK_FORMAT_R32G32_SFLOAT:
+		case VK_FORMAT_R16G16B16A16_UINT:
+		case VK_FORMAT_BC1_RGBA_UNORM_BLOCK:
+			return 8;
 		case VK_FORMAT_R32G32B32A32_SFLOAT:
 		case VK_FORMAT_BC2_UNORM_BLOCK:
 		case VK_FORMAT_BC3_UNORM_BLOCK:
 		case VK_FORMAT_BC7_UNORM_BLOCK:
-		case VK_FORMAT_R16G16B16A16_UINT:
 			return 16;
-
-		case VK_FORMAT_R8G8B8A8_UNORM:
-		case VK_FORMAT_R8G8B8A8_SNORM:
-		case VK_FORMAT_B8G8R8A8_UNORM:
-		case VK_FORMAT_B8G8R8A8_SNORM:
-		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
-		case VK_FORMAT_R16G16_UNORM:
-		case VK_FORMAT_R16G16_SFLOAT:
-		case VK_FORMAT_R32_SFLOAT:
-		case VK_FORMAT_D32_SFLOAT:
-		case VK_FORMAT_R8G8B8A8_UINT:
-		case VK_FORMAT_R16G16_UINT:
-			return 4;
-
-		case VK_FORMAT_R5G6B5_UNORM_PACK16:
-		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
-		case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
-		case VK_FORMAT_R8G8_SNORM:
-		case VK_FORMAT_R16_SFLOAT:
-		case VK_FORMAT_D16_UNORM:
-		case VK_FORMAT_R8G8_UINT:
-		case VK_FORMAT_R16_UINT:
-			return 2;
-
-		case VK_FORMAT_R16G16B16A16_UNORM:
-		case VK_FORMAT_R32G32_SFLOAT:
-		case VK_FORMAT_R16G16B16A16_SFLOAT:
-		case VK_FORMAT_BC1_RGBA_UNORM_BLOCK:
-		case VK_FORMAT_R8_UINT:
-			return 8;
-
-		case VK_FORMAT_R8_UNORM:
-			return 1;
-
-		case VK_FORMAT_D16_UNORM_S8_UINT:
-			return 3;
-
-		case VK_FORMAT_D32_SFLOAT_S8_UINT:
-			return 5;
-
 		default:
-			Refresh_LogError("Invalid texture format!");
+			Refresh_LogError("Texture format not recognized!");
 			return 0;
 	}
 }
 
-static inline uint32_t VULKAN_INTERNAL_GetTextureBlockSize(
+static inline uint32_t VULKAN_INTERNAL_TextureBlockSize(
 	VkFormat format
 ) {
 	switch (format)
@@ -2040,24 +2039,28 @@ static inline uint32_t VULKAN_INTERNAL_GetTextureBlockSize(
 	case VK_FORMAT_R5G6B5_UNORM_PACK16:
 	case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
 	case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
-	case VK_FORMAT_R8G8_SNORM:
-	case VK_FORMAT_R8G8B8A8_SNORM:
 	case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
 	case VK_FORMAT_R16G16_UNORM:
 	case VK_FORMAT_R16G16B16A16_UNORM:
 	case VK_FORMAT_R8_UNORM:
-	case VK_FORMAT_R32_SFLOAT:
+	case VK_FORMAT_R8G8_SNORM:
-	case VK_FORMAT_R32G32_SFLOAT:
+	case VK_FORMAT_R8G8B8A8_SNORM:
-	case VK_FORMAT_R32G32B32A32_SFLOAT:
 	case VK_FORMAT_R16_SFLOAT:
 	case VK_FORMAT_R16G16_SFLOAT:
 	case VK_FORMAT_R16G16B16A16_SFLOAT:
+	case VK_FORMAT_R32_SFLOAT:
+	case VK_FORMAT_R32G32_SFLOAT:
+	case VK_FORMAT_R32G32B32A32_SFLOAT:
 	case VK_FORMAT_R8_UINT:
 	case VK_FORMAT_R8G8_UINT:
 	case VK_FORMAT_R8G8B8A8_UINT:
 	case VK_FORMAT_R16_UINT:
 	case VK_FORMAT_R16G16_UINT:
 	case VK_FORMAT_R16G16B16A16_UINT:
+	case VK_FORMAT_D16_UNORM:
+	case VK_FORMAT_D32_SFLOAT:
+	case VK_FORMAT_D16_UNORM_S8_UINT:
+	case VK_FORMAT_D32_SFLOAT_S8_UINT:
 		return 1;
 	default:
 		Refresh_LogError("Unrecognized texture format!");
@@ -2070,17 +2073,8 @@ static inline VkDeviceSize VULKAN_INTERNAL_BytesPerImage(
 	uint32_t height,
 	VkFormat format
 ) {
-	uint32_t blocksPerRow = width;
+	uint32_t blockSize = VULKAN_INTERNAL_TextureBlockSize(format);
-	uint32_t blocksPerColumn = height;
+	return (width * height * VULKAN_INTERNAL_BytesPerPixel(format)) / (blockSize * blockSize);
-	uint32_t blockSize = VULKAN_INTERNAL_GetTextureBlockSize(format);
-
-	if (blockSize > 1)
-	{
-		blocksPerRow = (width + blockSize - 1) / blockSize;
-		blocksPerColumn = (height + blockSize - 1) / blockSize;
-	}
-
-	return blocksPerRow * blocksPerColumn * VULKAN_INTERNAL_BytesPerPixel(format);
 }
 
 static inline Refresh_SampleCount VULKAN_INTERNAL_GetMaxMultiSampleCount(
@@ -2939,7 +2933,7 @@ static uint8_t VULKAN_INTERNAL_BindMemoryForImage(
 	{
 		memoryTypeIndex = 0;
 		requiredMemoryPropertyFlags = 0;
-		ignoredMemoryPropertyFlags = VK_MEMORY_HEAP_DEVICE_LOCAL_BIT;
+		ignoredMemoryPropertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
 
 		if (isRenderTarget)
 		{
@@ -2985,23 +2979,32 @@ static uint8_t VULKAN_INTERNAL_BindMemoryForBuffer(
 	VulkanRenderer* renderer,
 	VkBuffer buffer,
 	VkDeviceSize size,
+	uint8_t requireHostVisible,
 	uint8_t preferDeviceLocal,
-	uint8_t isTransferBuffer,
+	uint8_t dedicatedAllocation,
 	VulkanMemoryUsedRegion** usedRegion
 ) {
 	uint8_t bindResult = 0;
 	uint32_t memoryTypeIndex = 0;
-	VkMemoryPropertyFlags requiredMemoryPropertyFlags;
+	VkMemoryPropertyFlags requiredMemoryPropertyFlags = 0;
-	VkMemoryPropertyFlags ignoredMemoryPropertyFlags;
+	VkMemoryPropertyFlags ignoredMemoryPropertyFlags = 0;
 	VkMemoryRequirements2KHR memoryRequirements =
 	{
 		VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR,
 		NULL
 	};
 
-	requiredMemoryPropertyFlags =
+	if (requireHostVisible)
-		VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
+	{
-		VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
+		requiredMemoryPropertyFlags =
+			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
+			VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
+	}
+	else
+	{
+		ignoredMemoryPropertyFlags =
+			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
+	}
 
 	if (preferDeviceLocal)
 	{
@@ -3022,7 +3025,7 @@ static uint8_t VULKAN_INTERNAL_BindMemoryForBuffer(
 			renderer,
 			memoryTypeIndex,
 			&memoryRequirements,
-			isTransferBuffer,
+			dedicatedAllocation,
 			size,
 			buffer,
 			VK_NULL_HANDLE,
@@ -3040,9 +3043,10 @@ static uint8_t VULKAN_INTERNAL_BindMemoryForBuffer(
 	}
 
 	/* Bind failed, try again if originally preferred device local */
-	if (bindResult != 1 && preferDeviceLocal)
+	if (bindResult != 1)
 	{
 		memoryTypeIndex = 0;
+
 		requiredMemoryPropertyFlags =
 			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 			VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
@@ -3066,7 +3070,7 @@ static uint8_t VULKAN_INTERNAL_BindMemoryForBuffer(
 				renderer,
 				memoryTypeIndex,
 				&memoryRequirements,
-				isTransferBuffer,
+				dedicatedAllocation,
 				size,
 				buffer,
 				VK_NULL_HANDLE,
@@ -3598,6 +3602,8 @@ static void VULKAN_INTERNAL_DestroyCommandPool(
 		SDL_free(commandBuffer->transferBuffers);
 		SDL_free(commandBuffer->boundUniformBuffers);
 		SDL_free(commandBuffer->boundDescriptorSetDatas);
+		SDL_free(commandBuffer->boundComputeBuffers);
+		SDL_free(commandBuffer->boundComputeTextures);
 		SDL_free(commandBuffer->usedBuffers);
 		SDL_free(commandBuffer->usedTextures);
 		SDL_free(commandBuffer->usedSamplers);
@@ -4101,8 +4107,9 @@ static VulkanBuffer* VULKAN_INTERNAL_CreateBuffer(
 	VkDeviceSize size,
 	VulkanResourceAccessType resourceAccessType,
 	VkBufferUsageFlags usage,
+	uint8_t requireHostVisible,
 	uint8_t preferDeviceLocal,
-	uint8_t isTransferBuffer
+	uint8_t dedicatedAllocation
 ) {
 	VulkanBuffer* buffer;
 	VkResult vulkanResult;
@@ -4114,6 +4121,7 @@ static VulkanBuffer* VULKAN_INTERNAL_CreateBuffer(
 	buffer->size = size;
 	buffer->resourceAccessType = resourceAccessType;
 	buffer->usage = usage;
+	buffer->requireHostVisible = requireHostVisible;
 	buffer->preferDeviceLocal = preferDeviceLocal;
 
 	bufferCreateInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
@@ -4137,8 +4145,9 @@ static VulkanBuffer* VULKAN_INTERNAL_CreateBuffer(
 		renderer,
 		buffer->buffer,
 		buffer->size,
+		buffer->requireHostVisible,
 		buffer->preferDeviceLocal,
-		isTransferBuffer,
+		dedicatedAllocation,
 		&buffer->usedRegion
 	);
 
@@ -4195,6 +4204,37 @@ static VulkanUniformBufferPool* VULKAN_INTERNAL_CreateUniformBufferPool(
 	VulkanUniformBufferType uniformBufferType
 ) {
 	VulkanUniformBufferPool* uniformBufferPool = SDL_malloc(sizeof(VulkanUniformBufferPool));
+	VulkanResourceAccessType resourceAccessType;
+
+	if (uniformBufferType == UNIFORM_BUFFER_VERTEX)
+	{
+		resourceAccessType = RESOURCE_ACCESS_VERTEX_SHADER_READ_UNIFORM_BUFFER;
+	}
+	else if (uniformBufferType == UNIFORM_BUFFER_FRAGMENT)
+	{
+		resourceAccessType = RESOURCE_ACCESS_FRAGMENT_SHADER_READ_UNIFORM_BUFFER;
+	}
+	else if (uniformBufferType == UNIFORM_BUFFER_COMPUTE)
+	{
+		resourceAccessType = RESOURCE_ACCESS_COMPUTE_SHADER_READ_UNIFORM_BUFFER;
+	}
+	else
+	{
+		Refresh_LogError("Unrecognized uniform buffer type!");
+		return 0;
+	}
+
+	uniformBufferPool->buffer = VULKAN_INTERNAL_CreateBuffer(
+		renderer,
+		UBO_BUFFER_SIZE,
+		resourceAccessType,
+		VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
+		1,
+		0,
+		1
+	);
+
+	uniformBufferPool->nextAvailableOffset = 0;
 
 	uniformBufferPool->type = uniformBufferType;
 	uniformBufferPool->lock = SDL_CreateMutex();
@@ -4228,12 +4268,6 @@ static void VULKAN_INTERNAL_BindUniformBuffer(
 
 	commandBuffer->boundUniformBuffers[commandBuffer->boundUniformBufferCount] = uniformBuffer;
 	commandBuffer->boundUniformBufferCount += 1;
-
-	VULKAN_INTERNAL_TrackBuffer(
-		renderer,
-		commandBuffer,
-		uniformBuffer->vulkanBufferContainer->vulkanBuffer
-	);
 }
 
 /* Buffer indirection so we can cleanly defrag */
@@ -4254,6 +4288,7 @@ static VulkanBufferContainer* VULKAN_INTERNAL_CreateBufferContainer(
 		sizeInBytes,
 		resourceAccessType,
 		usageFlags,
+		0,
 		1,
 		0
 	);
@@ -4275,22 +4310,18 @@ static uint8_t VULKAN_INTERNAL_CreateUniformBuffer(
 	VulkanRenderer *renderer,
 	VulkanUniformBufferPool *bufferPool
 ) {
-	VulkanResourceAccessType resourceAccessType;
 	VkDescriptorSetLayout descriptorSetLayout;
 
 	if (bufferPool->type == UNIFORM_BUFFER_VERTEX)
 	{
-		resourceAccessType = RESOURCE_ACCESS_VERTEX_SHADER_READ_UNIFORM_BUFFER;
 		descriptorSetLayout = renderer->vertexUniformDescriptorSetLayout;
 	}
 	else if (bufferPool->type == UNIFORM_BUFFER_FRAGMENT)
 	{
-		resourceAccessType = RESOURCE_ACCESS_FRAGMENT_SHADER_READ_UNIFORM_BUFFER;
 		descriptorSetLayout = renderer->fragmentUniformDescriptorSetLayout;
 	}
 	else if (bufferPool->type == UNIFORM_BUFFER_COMPUTE)
 	{
-		resourceAccessType = RESOURCE_ACCESS_COMPUTE_SHADER_READ_UNIFORM_BUFFER;
 		descriptorSetLayout = renderer->computeUniformDescriptorSetLayout;
 	}
 	else
@@ -4301,21 +4332,18 @@ static uint8_t VULKAN_INTERNAL_CreateUniformBuffer(
 
 	VulkanUniformBuffer *uniformBuffer = SDL_malloc(sizeof(VulkanUniformBuffer));
 	uniformBuffer->pool = bufferPool;
-	uniformBuffer->vulkanBufferContainer = VULKAN_INTERNAL_CreateBufferContainer(
+	uniformBuffer->poolOffset = bufferPool->nextAvailableOffset;
-		renderer,
+	uniformBuffer->offset = 0;
-		UBO_BUFFER_SIZE,
-		resourceAccessType,
-		VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT
-	);
 
-	if (uniformBuffer->vulkanBufferContainer == NULL)
+	bufferPool->nextAvailableOffset += VULKAN_INTERNAL_NextHighestAlignment(UBO_SECTION_SIZE, renderer->minUBOAlignment);
+
+	if (bufferPool->nextAvailableOffset >= UBO_BUFFER_SIZE)
 	{
-		Refresh_LogError("Failed to create buffer for uniform buffer!");
+		Refresh_LogError("Uniform buffer overflow!");
+		SDL_free(uniformBuffer);
 		return 0;
 	}
 
-	uniformBuffer->offset = 0;
-
 	/* Allocate a descriptor set for the uniform buffer */
 
 	if (bufferPool->descriptorPool.availableDescriptorSetCount == 0)
@@ -4325,6 +4353,7 @@ static uint8_t VULKAN_INTERNAL_CreateUniformBuffer(
 			&bufferPool->descriptorPool
 		)) {
 			Refresh_LogError("Failed to add uniform descriptor pool!");
+			SDL_free(uniformBuffer);
 			return 0;
 		}
 	}
@@ -4362,24 +4391,20 @@ static VulkanUniformBuffer* VULKAN_INTERNAL_CreateDummyUniformBuffer(
 	VulkanRenderer *renderer,
 	VulkanUniformBufferType uniformBufferType
 ) {
-	VulkanResourceAccessType resourceAccessType;
 	VkDescriptorSetLayout descriptorSetLayout;
 	VkWriteDescriptorSet writeDescriptorSet;
 	VkDescriptorBufferInfo descriptorBufferInfo;
 
 	if (uniformBufferType == UNIFORM_BUFFER_VERTEX)
 	{
-		resourceAccessType = RESOURCE_ACCESS_VERTEX_SHADER_READ_UNIFORM_BUFFER;
 		descriptorSetLayout = renderer->vertexUniformDescriptorSetLayout;
 	}
 	else if (uniformBufferType == UNIFORM_BUFFER_FRAGMENT)
 	{
-		resourceAccessType = RESOURCE_ACCESS_FRAGMENT_SHADER_READ_UNIFORM_BUFFER;
 		descriptorSetLayout = renderer->fragmentUniformDescriptorSetLayout;
 	}
 	else if (uniformBufferType == UNIFORM_BUFFER_COMPUTE)
 	{
-		resourceAccessType = RESOURCE_ACCESS_COMPUTE_SHADER_READ_UNIFORM_BUFFER;
 		descriptorSetLayout = renderer->computeUniformDescriptorSetLayout;
 	}
 	else
@@ -4389,14 +4414,7 @@ static VulkanUniformBuffer* VULKAN_INTERNAL_CreateDummyUniformBuffer(
 	}
 
 	VulkanUniformBuffer *uniformBuffer = SDL_malloc(sizeof(VulkanUniformBuffer));
-	uniformBuffer->pool = NULL;
+	uniformBuffer->poolOffset = 0;
-	uniformBuffer->vulkanBufferContainer = VULKAN_INTERNAL_CreateBufferContainer(
-		renderer,
-		UBO_BUFFER_SIZE,
-		resourceAccessType,
-		VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT
-	);
-
 	uniformBuffer->offset = 0;
 
 	/* Allocate a descriptor set for the uniform buffer */
@@ -4411,7 +4429,7 @@ static VulkanUniformBuffer* VULKAN_INTERNAL_CreateDummyUniformBuffer(
 
 	/* Update the descriptor set for the first and last time! */
 
-	descriptorBufferInfo.buffer = uniformBuffer->vulkanBufferContainer->vulkanBuffer->buffer;
+	descriptorBufferInfo.buffer = renderer->dummyBuffer->buffer;
 	descriptorBufferInfo.offset = 0;
 	descriptorBufferInfo.range = VK_WHOLE_SIZE;
 
@@ -4458,11 +4476,11 @@ static void VULKAN_INTERNAL_DestroyUniformBufferPool(
 	/* This is always destroyed after submissions, so all buffers are available */
 	for (i = 0; i < uniformBufferPool->availableBufferCount; i += 1)
 	{
-		VULKAN_INTERNAL_DestroyBuffer(renderer, uniformBufferPool->availableBuffers[i]->vulkanBufferContainer->vulkanBuffer);
-		SDL_free(uniformBufferPool->availableBuffers[i]->vulkanBufferContainer);
 		SDL_free(uniformBufferPool->availableBuffers[i]);
 	}
 
+	VULKAN_INTERNAL_DestroyBuffer(renderer, uniformBufferPool->buffer);
+
 	SDL_DestroyMutex(uniformBufferPool->lock);
 	SDL_free(uniformBufferPool->availableBuffers);
 	SDL_free(uniformBufferPool);
@@ -4497,8 +4515,8 @@ static VulkanUniformBuffer* VULKAN_INTERNAL_AcquireUniformBufferFromPool(
 
 	/* Update the descriptor set with the correct range */
 
-	descriptorBufferInfo.buffer = uniformBuffer->vulkanBufferContainer->vulkanBuffer->buffer;
+	descriptorBufferInfo.buffer = uniformBuffer->pool->buffer->buffer;
-	descriptorBufferInfo.offset = 0;
+	descriptorBufferInfo.offset = uniformBuffer->poolOffset;
 	descriptorBufferInfo.range = blockSize;
 
 	writeDescriptorSet.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
@@ -5178,13 +5196,7 @@ static void VULKAN_DestroyDevice(
 
 	SDL_free(renderer->submittedCommandBuffers);
 
-	VULKAN_INTERNAL_DestroyBuffer(renderer, renderer->dummyVertexUniformBuffer->vulkanBufferContainer->vulkanBuffer);
+	VULKAN_INTERNAL_DestroyBuffer(renderer, renderer->dummyBuffer);
-	VULKAN_INTERNAL_DestroyBuffer(renderer, renderer->dummyFragmentUniformBuffer->vulkanBufferContainer->vulkanBuffer);
-	VULKAN_INTERNAL_DestroyBuffer(renderer, renderer->dummyComputeUniformBuffer->vulkanBufferContainer->vulkanBuffer);
-
-	SDL_free(renderer->dummyVertexUniformBuffer->vulkanBufferContainer);
-	SDL_free(renderer->dummyFragmentUniformBuffer->vulkanBufferContainer);
-	SDL_free(renderer->dummyComputeUniformBuffer->vulkanBufferContainer);
 
 	SDL_free(renderer->dummyVertexUniformBuffer);
 	SDL_free(renderer->dummyFragmentUniformBuffer);
@@ -5407,6 +5419,7 @@ static void VULKAN_DestroyDevice(
 	SDL_free(renderer->computePipelinesToDestroy);
 	SDL_free(renderer->shaderModulesToDestroy);
 	SDL_free(renderer->samplersToDestroy);
+	SDL_free(renderer->framebuffersToDestroy);
 
 	SDL_DestroyMutex(renderer->allocatorLock);
 	SDL_DestroyMutex(renderer->disposeLock);
@@ -7190,6 +7203,7 @@ static VulkanTransferBuffer* VULKAN_INTERNAL_AcquireTransferBuffer(
 		RESOURCE_ACCESS_TRANSFER_READ_WRITE,
 		VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
 		1,
+		0,
 		1
 	);
 	transferBuffer->fromPool = 0;
@@ -7229,7 +7243,7 @@ static void VULKAN_SetTextureData(
 	VulkanTransferBuffer *transferBuffer;
 	VkBufferImageCopy imageCopy;
 	uint8_t *stagingBufferPointer;
-	uint32_t blockSize = VULKAN_INTERNAL_GetTextureBlockSize(vulkanTexture->format);
+	uint32_t blockSize = VULKAN_INTERNAL_TextureBlockSize(vulkanTexture->format);
 	uint32_t bufferRowLength;
 	uint32_t bufferImageHeight;
 
@@ -7808,7 +7822,7 @@ static uint32_t VULKAN_PushVertexShaderUniforms(
 	if (
 		vulkanCommandBuffer->vertexUniformBuffer->offset +
 		graphicsPipeline->vertexUniformBlockSize >=
-		UBO_BUFFER_SIZE
+		UBO_SECTION_SIZE
 	) {
 		/* We're out of space in this buffer, bind the old one and acquire a new one */
 		VULKAN_INTERNAL_BindUniformBuffer(
@@ -7826,8 +7840,8 @@ static uint32_t VULKAN_PushVertexShaderUniforms(
 	offset = vulkanCommandBuffer->vertexUniformBuffer->offset;
 
 	VULKAN_INTERNAL_SetBufferData(
-		vulkanCommandBuffer->vertexUniformBuffer->vulkanBufferContainer->vulkanBuffer,
+		vulkanCommandBuffer->vertexUniformBuffer->pool->buffer,
-		vulkanCommandBuffer->vertexUniformBuffer->offset,
+		vulkanCommandBuffer->vertexUniformBuffer->poolOffset + vulkanCommandBuffer->vertexUniformBuffer->offset,
 		data,
 		dataLengthInBytes
 	);
@@ -7852,7 +7866,7 @@ static uint32_t VULKAN_PushFragmentShaderUniforms(
 	if (
 		vulkanCommandBuffer->fragmentUniformBuffer->offset +
 		graphicsPipeline->fragmentUniformBlockSize >=
-		UBO_BUFFER_SIZE
+		UBO_SECTION_SIZE
 	) {
 		/* We're out of space in this buffer, bind the old one and acquire a new one */
 		VULKAN_INTERNAL_BindUniformBuffer(
@@ -7870,8 +7884,8 @@ static uint32_t VULKAN_PushFragmentShaderUniforms(
 	offset = vulkanCommandBuffer->fragmentUniformBuffer->offset;
 
 	VULKAN_INTERNAL_SetBufferData(
-		vulkanCommandBuffer->fragmentUniformBuffer->vulkanBufferContainer->vulkanBuffer,
+		vulkanCommandBuffer->fragmentUniformBuffer->pool->buffer,
-		vulkanCommandBuffer->fragmentUniformBuffer->offset,
+		vulkanCommandBuffer->fragmentUniformBuffer->poolOffset + vulkanCommandBuffer->fragmentUniformBuffer->offset,
 		data,
 		dataLengthInBytes
 	);
@@ -7895,7 +7909,7 @@ static uint32_t VULKAN_PushComputeShaderUniforms(
 	if (
 		vulkanCommandBuffer->computeUniformBuffer->offset +
 		computePipeline->uniformBlockSize >=
-		UBO_BUFFER_SIZE
+		UBO_SECTION_SIZE
 	) {
 		/* We're out of space in this buffer, bind the old one and acquire a new one */
 		VULKAN_INTERNAL_BindUniformBuffer(
@@ -7913,8 +7927,8 @@ static uint32_t VULKAN_PushComputeShaderUniforms(
 	offset = vulkanCommandBuffer->computeUniformBuffer->offset;
 
 	VULKAN_INTERNAL_SetBufferData(
-		vulkanCommandBuffer->computeUniformBuffer->vulkanBufferContainer->vulkanBuffer,
+		vulkanCommandBuffer->computeUniformBuffer->pool->buffer,
-		vulkanCommandBuffer->computeUniformBuffer->offset,
+		vulkanCommandBuffer->computeUniformBuffer->poolOffset + vulkanCommandBuffer->computeUniformBuffer->offset,
 		data,
 		dataLengthInBytes
 	);
@@ -8839,7 +8853,7 @@ static void VULKAN_BeginRenderPass(
 		VULKAN_INTERNAL_ImageMemoryBarrier(
 			renderer,
 			vulkanCommandBuffer->commandBuffer,
-			RESOURCE_ACCESS_COLOR_ATTACHMENT_WRITE,
+			RESOURCE_ACCESS_COLOR_ATTACHMENT_READ_WRITE,
 			VK_IMAGE_ASPECT_COLOR_BIT,
 			0,
 			texture->layerCount,
@@ -8872,7 +8886,7 @@ static void VULKAN_BeginRenderPass(
 		VULKAN_INTERNAL_ImageMemoryBarrier(
 			renderer,
 			vulkanCommandBuffer->commandBuffer,
-			RESOURCE_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE,
+			RESOURCE_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_WRITE,
 			depthAspectFlags,
 			0,
 			texture->layerCount,
@@ -10542,7 +10556,6 @@ static uint8_t VULKAN_INTERNAL_DefragmentMemory(
 	VkBufferCopy bufferCopy;
 	VkImageCopy *imageCopyRegions;
 	VulkanCommandBuffer *commandBuffer;
-	VkCommandBufferBeginInfo beginInfo;
 	uint32_t i, level;
 	VulkanResourceAccessType copyResourceAccessType = RESOURCE_ACCESS_NONE;
 	VulkanResourceAccessType originalResourceAccessType;
@@ -10552,11 +10565,6 @@ static uint8_t VULKAN_INTERNAL_DefragmentMemory(
 	renderer->needDefrag = 0;
 	renderer->defragInProgress = 1;
 
-	beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-	beginInfo.pNext = NULL;
-	beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
-	beginInfo.pInheritanceInfo = NULL;
-
 	commandBuffer = (VulkanCommandBuffer*) VULKAN_AcquireCommandBuffer((Refresh_Renderer *) renderer);
 
 	if (VULKAN_INTERNAL_FindAllocationToDefragment(
@@ -10589,6 +10597,7 @@ static uint8_t VULKAN_INTERNAL_DefragmentMemory(
 					currentRegion->vulkanBuffer->size,
 					RESOURCE_ACCESS_NONE,
 					currentRegion->vulkanBuffer->usage,
+					currentRegion->vulkanBuffer->requireHostVisible,
 					currentRegion->vulkanBuffer->preferDeviceLocal,
 					0
 				);
@@ -11561,6 +11570,9 @@ static uint8_t VULKAN_INTERNAL_CreateLogicalDevice(
 
 static void VULKAN_INTERNAL_LoadEntryPoints(void)
 {
+	/* Required for MoltenVK support */
+	SDL_setenv("MVK_CONFIG_FULL_IMAGE_VIEW_SWIZZLE", "1", 1);
+
 	/* Load Vulkan entry points */
 	if (SDL_Vulkan_LoadLibrary(NULL) < 0)
 	{
@@ -11988,6 +12000,16 @@ static Refresh_Device* VULKAN_CreateDevice(
 
 	/* Dummy Uniform Buffers */
 
+	renderer->dummyBuffer = VULKAN_INTERNAL_CreateBuffer(
+		renderer,
+		16,
+		RESOURCE_ACCESS_GENERAL,
+		VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
+		0,
+		0,
+		1
+	);
+
 	renderer->dummyVertexUniformBuffer = VULKAN_INTERNAL_CreateDummyUniformBuffer(
 		renderer,
 		UNIFORM_BUFFER_VERTEX
@@ -12101,6 +12123,7 @@ static Refresh_Device* VULKAN_CreateDevice(
 			RESOURCE_ACCESS_TRANSFER_READ_WRITE,
 			VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
 			1,
+			0,
 			1
 		);