continue rewrite

include/Refresh.h

@@ -553,17 +553,18 @@ typedef struct Refresh_ComputePipelineCreateInfo
 	Refresh_ComputePipelineLayoutCreateInfo pipelineLayoutCreateInfo;
 } Refresh_ComputePipelineCreateInfo;
 
-typedef struct Refresh_AttachmentDescription
+typedef struct Refresh_ColorAttachmentDescription
 {
 	Refresh_TextureFormat format;
 	Refresh_SampleCount sampleCount;
-} Refresh_AttachmentDescription;
+} Refresh_ColorAttachmentDescription;
 
 typedef struct Refresh_GraphicsPipelineAttachmentInfo
 {
-	Refresh_AttachmentDescription colorAttachmentDescriptions[4];
+	Refresh_ColorAttachmentDescription colorAttachmentDescriptions[4];
 	uint32_t colorAttachmentCount;
-	Refresh_AttachmentDescription *depthStencilAttachmentDescription; /* Can be NULL */
+	uint8_t hasDepthStencilAttachment;
+	Refresh_TextureFormat depthStencilFormat;
 } Refresh_GraphicsPipelineAttachmentInfo;
 
 typedef struct Refresh_GraphicsPipelineCreateInfo
@@ -1113,7 +1114,7 @@ REFRESHAPI void Refresh_QueueDestroyGraphicsPipeline(
  * 		The area affected by the render pass.
  * 		All load, store and resolve operations are restricted
  * 		to the given rectangle.
- * pColorAttachmentInfos:
+ * colorAttachmentInfos:
  * 		A pointer to an array of Refresh_ColorAttachmentInfo structures
  * 		that contains render targets and clear values. May be NULL.
  * colorAttachmentCount: The amount of structs in the above array.
@@ -1123,7 +1124,7 @@ REFRESHAPI void Refresh_BeginRenderPass(
 	Refresh_Device *device,
 	Refresh_CommandBuffer *commandBuffer,
 	Refresh_Rect *renderArea,
-	Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 	uint32_t colorAttachmentCount,
 	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
 );

src/Refresh.c

@@ -613,7 +613,7 @@ void Refresh_BeginRenderPass(
 	Refresh_Device *device,
 	Refresh_CommandBuffer *commandBuffer,
 	Refresh_Rect *renderArea,
-	Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 	uint32_t colorAttachmentCount,
 	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
 ) {
@@ -622,7 +622,7 @@ void Refresh_BeginRenderPass(
         device->driverData,
         commandBuffer,
         renderArea,
-        pColorAttachmentInfos,
+        colorAttachmentInfos,
         colorAttachmentCount,
         depthStencilAttachmentInfo
     );

src/Refresh_Driver.h

@@ -397,7 +397,7 @@ struct Refresh_Device
         Refresh_Renderer *driverData,
 		Refresh_CommandBuffer *commandBuffer,
 		Refresh_Rect *renderArea,
-		Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+		Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 		uint32_t colorAttachmentCount,
 		Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
     );

src/Refresh_Driver_Template.txt

@@ -553,7 +553,7 @@ static void TEMPLATE_BeginRenderPass(
 	Refresh_Renderer *driverData,
 	Refresh_CommandBuffer *commandBuffer,
 	Refresh_Rect *renderArea,
-	Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 	uint32_t colorAttachmentCount,
 	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
 ) {

src/Refresh_Driver_Vulkan.c

@@ -998,11 +998,11 @@ static inline VkRenderPass RenderPassHashArray_Fetch(
 	RenderPassHashArray *arr,
 	RenderPassHash *key
 ) {
-	int32_t i, j;
+	int32_t i;
 
 	for (i = 0; i < arr->count; i += 1)
 	{
-		const RenderPassHash *e = &arr->elements[i].key;
+		RenderPassHash *e = &arr->elements[i].key;
 
 		if (RenderPassHash_Compare(e, key))
 		{
@@ -1029,6 +1029,116 @@ static inline void RenderPassHashArray_Insert(
 	arr->count += 1;
 }
 
+typedef struct FramebufferHash
+{
+	VkImageView colorAttachmentViews[MAX_COLOR_TARGET_BINDINGS];
+	VkImageView colorMultiSampleAttachmentViews[MAX_COLOR_TARGET_BINDINGS];
+	uint32_t colorAttachmentCount;
+	VkImageView depthStencilAttachmentView;
+	uint32_t width;
+	uint32_t height;
+} FramebufferHash;
+
+typedef struct FramebufferHashMap
+{
+	FramebufferHash key;
+	VkFramebuffer value;
+} FramebufferHashMap;
+
+typedef struct FramebufferHashArray
+{
+	FramebufferHashMap *elements;
+	int32_t count;
+	int32_t capacity;
+} FramebufferHashArray;
+
+static inline uint8_t FramebufferHash_Compare(
+	FramebufferHash *a,
+	FramebufferHash *b
+) {
+	uint32_t i;
+
+	if (a->colorAttachmentCount != b->colorAttachmentCount)
+	{
+		return 0;
+	}
+
+	for (i = 0; i < a->colorAttachmentCount; i += 1)
+	{
+		if (a->colorAttachmentViews[i] != b->colorAttachmentViews[i])
+		{
+			return 0;
+		}
+
+		if (a->colorMultiSampleAttachmentViews[i] != b->colorMultiSampleAttachmentViews[i])
+		{
+			return 0;
+		}
+	}
+
+	if (a->depthStencilAttachmentView != b->depthStencilAttachmentView)
+	{
+		return 0;
+	}
+
+	if (a->width != b->width)
+	{
+		return 0;
+	}
+
+	if (a->height != b->height)
+	{
+		return 0;
+	}
+
+	return 1;
+}
+
+static inline VkFramebuffer FramebufferHashArray_Fetch(
+	FramebufferHashArray *arr,
+	FramebufferHash *key
+) {
+	int32_t i;
+
+	for (i = 0; i < arr->count; i += 1)
+	{
+		FramebufferHash *e = &arr->elements[i].key;
+		if (FramebufferHash_Compare(e, key))
+		{
+			return arr->elements[i].value;
+		}
+	}
+
+	return VK_NULL_HANDLE;
+}
+
+static inline void FramebufferHashArray_Insert(
+	FramebufferHashArray *arr,
+	FramebufferHash key,
+	VkFramebuffer value
+) {
+	FramebufferHashMap map;
+	map.key = key;
+	map.value = value;
+
+	EXPAND_ELEMENTS_IF_NEEDED(arr, 4, FramebufferHashMap)
+
+	arr->elements[arr->count] = map;
+	arr->count += 1;
+}
+
+static inline void FramebufferHashArray_Remove(
+	FramebufferHashArray *arr,
+	uint32_t index
+) {
+	if (index != arr->count - 1)
+	{
+		arr->elements[index] = arr->elements[arr->count - 1];
+	}
+
+	arr->count -= 1;
+}
+
 /* Descriptor Set Caches */
 
 struct DescriptorSetCache
@@ -1424,6 +1534,7 @@ typedef struct VulkanRenderer
 	GraphicsPipelineLayoutHashTable graphicsPipelineLayoutHashTable;
 	ComputePipelineLayoutHashTable computePipelineLayoutHashTable;
 	RenderPassHashArray renderPassHashArray;
+	FramebufferHashArray framebufferHashArray;
 
 	VkDescriptorPool defaultDescriptorPool;
 
@@ -1454,6 +1565,8 @@ typedef struct VulkanRenderer
 	SDL_mutex *submitLock;
 	SDL_mutex *acquireFenceLock;
 	SDL_mutex *acquireCommandBufferLock;
+	SDL_mutex *renderPassFetchLock;
+	SDL_mutex *framebufferFetchLock;
 
     #define VULKAN_INSTANCE_FUNCTION(ext, ret, func, params) \
 		vkfntype_##func func;
@@ -2419,11 +2532,43 @@ static void VULKAN_INTERNAL_DestroyTexture(
 
 static void VULKAN_INTERNAL_DestroyRenderTarget(
 	VulkanRenderer *renderer,
-	VulkanRenderTarget *renderTargetTarget
+	VulkanRenderTarget *renderTarget
 ) {
+	int32_t i, j;
+	FramebufferHash *hash;
+
+	SDL_LockMutex(renderer->framebufferFetchLock);
+
+	/* Remove all associated framebuffers */
+	for (i = renderer->framebufferHashArray.count; i >= 0; i -= 1)
+	{
+		hash = &renderer->framebufferHashArray.elements[i].key;
+
+		for (j = 0; j < hash->colorAttachmentCount; j += 1)
+		{
+			if (hash->colorAttachmentViews[i] == renderTarget->view)
+			{
+				renderer->vkDestroyFramebuffer(
+					renderer->logicalDevice,
+					renderer->framebufferHashArray.elements[i].value,
+					NULL
+				);
+
+				FramebufferHashArray_Remove(
+					&renderer->framebufferHashArray,
+					i
+				);
+
+				break;
+			}
+		}
+	}
+
+	SDL_UnlockMutex(renderer->framebufferFetchLock);
+
 	renderer->vkDestroyImageView(
 		renderer->logicalDevice,
-		renderTargetTarget->view,
+		renderTarget->view,
 		NULL
 	);
 
@@ -2431,15 +2576,15 @@ static void VULKAN_INTERNAL_DestroyRenderTarget(
 	 * so we don't free it here
 	 * But the multisampleTexture is!
 	 */
-	if (renderTargetTarget->multisampleTexture != NULL)
+	if (renderTarget->multisampleTexture != NULL)
 	{
 		VULKAN_INTERNAL_DestroyTexture(
 			renderer,
-			renderTargetTarget->multisampleTexture
+			renderTarget->multisampleTexture
 		);
 	}
 
-	SDL_free(renderTargetTarget);
+	SDL_free(renderTarget);
 }
 
 static void VULKAN_INTERNAL_DestroyBuffer(
@@ -2563,17 +2708,6 @@ static void VULKAN_INTERNAL_DestroySampler(
 	);
 }
 
-static void VULKAN_INTERNAL_DestroyRenderPass(
-	VulkanRenderer *renderer,
-	VkRenderPass renderPass
-) {
-	renderer->vkDestroyRenderPass(
-		renderer->logicalDevice,
-		renderPass,
-		NULL
-	);
-}
-
 static void VULKAN_INTERNAL_DestroySwapchain(
 	VulkanRenderer* renderer,
 	void *windowHandle
@@ -4286,6 +4420,8 @@ static void VULKAN_DestroyDevice(
 	SDL_DestroyMutex(renderer->submitLock);
 	SDL_DestroyMutex(renderer->acquireFenceLock);
 	SDL_DestroyMutex(renderer->acquireCommandBufferLock);
+	SDL_DestroyMutex(renderer->renderPassFetchLock);
+	SDL_DestroyMutex(renderer->framebufferFetchLock);
 
 	renderer->vkDestroyDevice(renderer->logicalDevice, NULL);
 	renderer->vkDestroyInstance(renderer->instance, NULL);
@@ -4531,9 +4667,7 @@ static void VULKAN_DispatchCompute(
 	VulkanCommandBuffer *vulkanCommandBuffer = (VulkanCommandBuffer*) commandBuffer;
 	VulkanComputePipeline *computePipeline = vulkanCommandBuffer->currentComputePipeline;
 
-	VulkanBuffer *currentBuffer;
 	VkDescriptorSet descriptorSets[3];
-	uint32_t i;
 
 	descriptorSets[0] = vulkanCommandBuffer->bufferDescriptorSet;
 	descriptorSets[1] = vulkanCommandBuffer->imageDescriptorSet;
@@ -4560,7 +4694,7 @@ static void VULKAN_DispatchCompute(
 
 static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
 	VulkanRenderer *renderer,
-	Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 	uint32_t colorAttachmentCount,
 	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
 ) {
@@ -4569,7 +4703,7 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
     VkAttachmentReference colorAttachmentReferences[MAX_COLOR_TARGET_BINDINGS];
     VkAttachmentReference resolveReferences[MAX_COLOR_TARGET_BINDINGS + 1];
     VkAttachmentReference depthStencilAttachmentReference;
-	VkRenderPassCreateInfo vkRenderPassCreateInfo;
+	VkRenderPassCreateInfo renderPassCreateInfo;
     VkSubpassDescription subpass;
     VkRenderPass renderPass;
     uint32_t i;
@@ -4584,7 +4718,7 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
 
     for (i = 0; i < colorAttachmentCount; i += 1)
     {
-		colorTarget = (VulkanRenderTarget*) pColorAttachmentInfos[attachmentDescriptionCount].pRenderTarget;
+		colorTarget = (VulkanRenderTarget*) colorAttachmentInfos[attachmentDescriptionCount].pRenderTarget;
 
         if (colorTarget->multisampleCount > VK_SAMPLE_COUNT_1_BIT)
         {
@@ -4597,10 +4731,10 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
             attachmentDescriptions[attachmentDescriptionCount].samples =
                 VK_SAMPLE_COUNT_1_BIT;
             attachmentDescriptions[attachmentDescriptionCount].loadOp = RefreshToVK_LoadOp[
-                pColorAttachmentInfos[i].loadOp
+                colorAttachmentInfos[i].loadOp
             ];
             attachmentDescriptions[attachmentDescriptionCount].storeOp = RefreshToVK_StoreOp[
-                pColorAttachmentInfos[i].storeOp
+                colorAttachmentInfos[i].storeOp
             ];
             attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp =
                 VK_ATTACHMENT_LOAD_OP_DONT_CARE;
@@ -4623,10 +4757,10 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
             attachmentDescriptions[attachmentDescriptionCount].format = colorTarget->texture->format;
             attachmentDescriptions[attachmentDescriptionCount].samples = colorTarget->multisampleCount;
             attachmentDescriptions[attachmentDescriptionCount].loadOp = RefreshToVK_LoadOp[
-                pColorAttachmentInfos[i].loadOp
+                colorAttachmentInfos[i].loadOp
             ];
             attachmentDescriptions[attachmentDescriptionCount].storeOp = RefreshToVK_StoreOp[
-                pColorAttachmentInfos[i].storeOp
+                colorAttachmentInfos[i].storeOp
             ];
             attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp =
                 VK_ATTACHMENT_LOAD_OP_DONT_CARE;
@@ -4652,10 +4786,10 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
             attachmentDescriptions[attachmentDescriptionCount].samples =
                 VK_SAMPLE_COUNT_1_BIT;
             attachmentDescriptions[attachmentDescriptionCount].loadOp = RefreshToVK_LoadOp[
-                pColorAttachmentInfos[i].loadOp
+                colorAttachmentInfos[i].loadOp
             ];
             attachmentDescriptions[attachmentDescriptionCount].storeOp = RefreshToVK_StoreOp[
-                pColorAttachmentInfos[i].storeOp
+                colorAttachmentInfos[i].storeOp
             ];
             attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp =
                 VK_ATTACHMENT_LOAD_OP_DONT_CARE;
@@ -4666,12 +4800,12 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
             attachmentDescriptions[attachmentDescriptionCount].finalLayout =
                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
-            attachmentDescriptionCount += 1;
 
-            colorAttachmentReferences[colorAttachmentReferenceCount].attachment = i;
+            colorAttachmentReferences[colorAttachmentReferenceCount].attachment = attachmentDescriptionCount;
             colorAttachmentReferences[colorAttachmentReferenceCount].layout =
                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
+            attachmentDescriptionCount += 1;
             colorAttachmentReferenceCount += 1;
         }
     }
@@ -4733,32 +4867,207 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
 		subpass.pResolveAttachments = NULL;
 	}
 
-    vkRenderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+    renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
-    vkRenderPassCreateInfo.pNext = NULL;
+    renderPassCreateInfo.pNext = NULL;
-    vkRenderPassCreateInfo.flags = 0;
+    renderPassCreateInfo.flags = 0;
-    vkRenderPassCreateInfo.pAttachments = attachmentDescriptions;
+    renderPassCreateInfo.pAttachments = attachmentDescriptions;
-    vkRenderPassCreateInfo.attachmentCount = attachmentDescriptionCount;
+    renderPassCreateInfo.attachmentCount = attachmentDescriptionCount;
-    vkRenderPassCreateInfo.subpassCount = 1;
+    renderPassCreateInfo.subpassCount = 1;
-    vkRenderPassCreateInfo.pSubpasses = &subpass;
+    renderPassCreateInfo.pSubpasses = &subpass;
-    vkRenderPassCreateInfo.dependencyCount = 0;
+    renderPassCreateInfo.dependencyCount = 0;
-    vkRenderPassCreateInfo.pDependencies = NULL;
+    renderPassCreateInfo.pDependencies = NULL;
 
     vulkanResult = renderer->vkCreateRenderPass(
         renderer->logicalDevice,
-        &vkRenderPassCreateInfo,
+        &renderPassCreateInfo,
         NULL,
         &renderPass
     );
 
 	if (vulkanResult != VK_SUCCESS)
 	{
+		renderPass = VK_NULL_HANDLE;
 		LogVulkanResultAsError("vkCreateRenderPass", vulkanResult);
-		return VK_NULL_HANDLE;
 	}
 
     return renderPass;
 }
 
+static VkRenderPass VULKAN_INTERNAL_CreateTransientRenderPass(
+	VulkanRenderer *renderer,
+	Refresh_GraphicsPipelineAttachmentInfo attachmentInfo
+) {
+	VkAttachmentDescription attachmentDescriptions[2 * MAX_COLOR_TARGET_BINDINGS + 1];
+	VkAttachmentReference colorAttachmentReferences[MAX_COLOR_TARGET_BINDINGS];
+	VkAttachmentReference resolveReferences[MAX_COLOR_TARGET_BINDINGS + 1];
+	VkAttachmentReference depthStencilAttachmentReference;
+	Refresh_ColorAttachmentDescription attachmentDescription;
+    VkSubpassDescription subpass;
+	VkRenderPassCreateInfo renderPassCreateInfo;
+    VkRenderPass renderPass;
+	VkResult result;
+
+	uint32_t multisampling = 0;
+    uint32_t attachmentDescriptionCount = 0;
+	uint32_t colorAttachmentReferenceCount = 0;
+	uint32_t resolveReferenceCount = 0;
+	uint32_t i;
+
+	for (i = 0; i < attachmentInfo.colorAttachmentCount; i += 1)
+	{
+		attachmentDescription = attachmentInfo.colorAttachmentDescriptions[i];
+
+		if (attachmentDescription.sampleCount > REFRESH_SAMPLECOUNT_1)
+		{
+			multisampling = 1;
+
+			/* Resolve attachment and multisample attachment */
+
+			attachmentDescriptions[attachmentDescriptionCount].flags = 0;
+			attachmentDescriptions[attachmentDescriptionCount].format = RefreshToVK_SurfaceFormat[
+				attachmentDescription.format
+			];
+			attachmentDescriptions[attachmentDescriptionCount].samples = VK_SAMPLE_COUNT_1_BIT;
+			attachmentDescriptions[attachmentDescriptionCount].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+			attachmentDescriptions[attachmentDescriptionCount].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+			resolveReferences[resolveReferenceCount].attachment = attachmentDescriptionCount;
+			resolveReferences[resolveReferenceCount].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+			attachmentDescriptionCount += 1;
+			resolveReferenceCount += 1;
+
+			attachmentDescriptions[attachmentDescriptionCount].flags = 0;
+			attachmentDescriptions[attachmentDescriptionCount].format = RefreshToVK_SurfaceFormat[
+				attachmentDescription.format
+			];
+			attachmentDescriptions[attachmentDescriptionCount].samples = VK_SAMPLE_COUNT_1_BIT;
+			attachmentDescriptions[attachmentDescriptionCount].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+			attachmentDescriptions[attachmentDescriptionCount].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+			attachmentDescriptions[attachmentDescriptionCount].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+			colorAttachmentReferences[colorAttachmentReferenceCount].attachment =
+                attachmentDescriptionCount;
+            colorAttachmentReferences[colorAttachmentReferenceCount].layout =
+                VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+            attachmentDescriptionCount += 1;
+            colorAttachmentReferenceCount += 1;
+		}
+		else
+        {
+            attachmentDescriptions[attachmentDescriptionCount].flags = 0;
+            attachmentDescriptions[attachmentDescriptionCount].format = RefreshToVK_SurfaceFormat[
+				attachmentDescription.format
+			];
+            attachmentDescriptions[attachmentDescriptionCount].samples =
+				VK_SAMPLE_COUNT_1_BIT;
+            attachmentDescriptions[attachmentDescriptionCount].loadOp =
+				VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+            attachmentDescriptions[attachmentDescriptionCount].storeOp =
+				VK_ATTACHMENT_STORE_OP_DONT_CARE;
+            attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp =
+				VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+            attachmentDescriptions[attachmentDescriptionCount].stencilStoreOp =
+				VK_ATTACHMENT_STORE_OP_DONT_CARE;
+            attachmentDescriptions[attachmentDescriptionCount].initialLayout =
+				VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+            attachmentDescriptions[attachmentDescriptionCount].finalLayout =
+				VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+
+            colorAttachmentReferences[colorAttachmentReferenceCount].attachment = attachmentDescriptionCount;
+            colorAttachmentReferences[colorAttachmentReferenceCount].layout =
+                VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+            attachmentDescriptionCount += 1;
+            colorAttachmentReferenceCount += 1;
+        }
+	}
+
+	subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
+	subpass.flags = 0;
+	subpass.inputAttachmentCount = 0;
+	subpass.pInputAttachments = NULL;
+	subpass.colorAttachmentCount = attachmentInfo.colorAttachmentCount;
+	subpass.pColorAttachments = colorAttachmentReferences;
+	subpass.preserveAttachmentCount = 0;
+	subpass.pPreserveAttachments = NULL;
+
+	if (attachmentInfo.hasDepthStencilAttachment)
+	{
+		attachmentDescriptions[attachmentDescriptionCount].flags = 0;
+        attachmentDescriptions[attachmentDescriptionCount].format = RefreshToVK_SurfaceFormat[
+			attachmentInfo.depthStencilFormat
+		];
+        attachmentDescriptions[attachmentDescriptionCount].samples =
+            VK_SAMPLE_COUNT_1_BIT; /* FIXME: do these take multisamples? */
+        attachmentDescriptions[attachmentDescriptionCount].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+        attachmentDescriptions[attachmentDescriptionCount].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+        attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+        attachmentDescriptions[attachmentDescriptionCount].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+        attachmentDescriptions[attachmentDescriptionCount].initialLayout =
+            VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+        attachmentDescriptions[attachmentDescriptionCount].finalLayout =
+            VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+
+        depthStencilAttachmentReference.attachment =
+            attachmentDescriptionCount;
+        depthStencilAttachmentReference.layout =
+            VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+
+        subpass.pDepthStencilAttachment =
+            &depthStencilAttachmentReference;
+
+        attachmentDescriptionCount += 1;
+	}
+	else
+	{
+		subpass.pDepthStencilAttachment = NULL;
+	}
+
+	if (multisampling)
+	{
+		subpass.pResolveAttachments = resolveReferences;
+	}
+	else
+	{
+		subpass.pResolveAttachments = NULL;
+	}
+
+    renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+    renderPassCreateInfo.pNext = NULL;
+    renderPassCreateInfo.flags = 0;
+    renderPassCreateInfo.pAttachments = attachmentDescriptions;
+    renderPassCreateInfo.attachmentCount = attachmentDescriptionCount;
+    renderPassCreateInfo.subpassCount = 1;
+    renderPassCreateInfo.pSubpasses = &subpass;
+    renderPassCreateInfo.dependencyCount = 0;
+    renderPassCreateInfo.pDependencies = NULL;
+
+	result = renderer->vkCreateRenderPass(
+		renderer->logicalDevice,
+		&renderPassCreateInfo,
+		NULL,
+		&renderPass
+	);
+
+	if (result != VK_SUCCESS)
+	{
+		renderPass = VK_NULL_HANDLE;
+		LogVulkanResultAsError("vkCreateRenderPass", result);
+	}
+
+	return renderPass;
+}
+
 static Refresh_GraphicsPipeline* VULKAN_CreateGraphicsPipeline(
 	Refresh_Renderer *driverData,
 	Refresh_GraphicsPipelineCreateInfo *pipelineCreateInfo
@@ -4797,6 +5106,13 @@ static Refresh_GraphicsPipeline* VULKAN_CreateGraphicsPipeline(
 
 	VulkanRenderer *renderer = (VulkanRenderer*) driverData;
 
+	/* Create a "compatible" render pass */
+
+	VkRenderPass transientRenderPass = VULKAN_INTERNAL_CreateTransientRenderPass(
+		renderer,
+		pipelineCreateInfo->attachmentInfo
+	);
+
 	/* Shader stages */
 
 	shaderStageCreateInfos[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
@@ -5074,7 +5390,7 @@ static Refresh_GraphicsPipeline* VULKAN_CreateGraphicsPipeline(
 	vkPipelineCreateInfo.pColorBlendState = &colorBlendStateCreateInfo;
 	vkPipelineCreateInfo.pDynamicState = VK_NULL_HANDLE;
 	vkPipelineCreateInfo.layout = graphicsPipeline->pipelineLayout->pipelineLayout;
-	vkPipelineCreateInfo.renderPass = (VkRenderPass) pipelineCreateInfo->renderPass;
+	vkPipelineCreateInfo.renderPass = transientRenderPass;
 	vkPipelineCreateInfo.subpass = 0;
 	vkPipelineCreateInfo.basePipelineHandle = VK_NULL_HANDLE;
 	vkPipelineCreateInfo.basePipelineIndex = 0;
@@ -5095,6 +5411,12 @@ static Refresh_GraphicsPipeline* VULKAN_CreateGraphicsPipeline(
 	SDL_stack_free(scissors);
 	SDL_stack_free(colorBlendAttachmentStates);
 
+	renderer->vkDestroyRenderPass(
+		renderer->logicalDevice,
+		transientRenderPass,
+		NULL
+	);
+
 	if (vulkanResult != VK_SUCCESS)
 	{
 		LogVulkanResultAsError("vkCreateGraphicsPipelines", vulkanResult);
@@ -5325,71 +5647,6 @@ static Refresh_Sampler* VULKAN_CreateSampler(
 	return (Refresh_Sampler*) sampler;
 }
 
-static VkFramebuffer VULKAN_INTERNAL_CreateFramebuffer(
-	Refresh_Renderer *driverData,
-	VkRenderPass renderPass,
-	uint32_t width,
-	uint32_t height,
-	VulkanRenderTarget **colorTargets,
-	uint32_t colorTargetCount,
-	VulkanRenderTarget *depthStencilTarget /* Can be NULL */
-) {
-	VkResult vulkanResult;
-	VkFramebuffer framebuffer;
-	VkFramebufferCreateInfo vkFramebufferCreateInfo;
-
-	VkImageView *imageViews;
-	uint32_t colorAttachmentCount = colorTargetCount;
-	uint32_t attachmentCount = colorAttachmentCount;
-	uint32_t i;
-
-	VulkanRenderer *renderer = (VulkanRenderer*) driverData;
-
-	if (depthStencilTarget != NULL)
-	{
-		attachmentCount += 1;
-	}
-
-	imageViews = SDL_stack_alloc(VkImageView, attachmentCount);
-
-	for (i = 0; i < colorAttachmentCount; i += 1)
-	{
-		imageViews[i] = ((VulkanRenderTarget*)colorTargets[i])->view;
-	}
-
-	if (depthStencilTarget != NULL)
-	{
-		imageViews[colorAttachmentCount] = ((VulkanRenderTarget*)depthStencilTarget)->view;
-	}
-
-	vkFramebufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
-	vkFramebufferCreateInfo.pNext = NULL;
-	vkFramebufferCreateInfo.flags = 0;
-	vkFramebufferCreateInfo.renderPass = renderPass;
-	vkFramebufferCreateInfo.attachmentCount = attachmentCount;
-	vkFramebufferCreateInfo.pAttachments = imageViews;
-	vkFramebufferCreateInfo.width = width;
-	vkFramebufferCreateInfo.height = height;
-	vkFramebufferCreateInfo.layers = 1;
-
-	vulkanResult = renderer->vkCreateFramebuffer(
-		renderer->logicalDevice,
-		&vkFramebufferCreateInfo,
-		NULL,
-		&framebuffer
-	);
-
-	SDL_stack_free(imageViews);
-
-	if (vulkanResult != VK_SUCCESS)
-	{
-		LogVulkanResultAsError("vkCreateFramebuffer", vulkanResult);
-		return VK_NULL_HANDLE;
-	}
-
-	return framebuffer;
-}
-
 static Refresh_ShaderModule* VULKAN_CreateShaderModule(
 	Refresh_Renderer *driverData,
 	Refresh_ShaderModuleCreateInfo *shaderModuleCreateInfo
@@ -7072,7 +7329,7 @@ static void VULKAN_QueueDestroyGraphicsPipeline(
 
 static VkRenderPass VULKAN_INTERNAL_FetchRenderPass(
 	VulkanRenderer *renderer,
-	Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 	uint32_t colorAttachmentCount,
 	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
 ) {
@@ -7080,11 +7337,13 @@ static VkRenderPass VULKAN_INTERNAL_FetchRenderPass(
 	RenderPassHash hash;
 	uint32_t i;
 
+	SDL_LockMutex(renderer->renderPassFetchLock);
+
 	for (i = 0; i < colorAttachmentCount; i += 1)
 	{
-		hash.colorTargetDescriptions[i].clearColor = pColorAttachmentInfos[i].clearColor;
+		hash.colorTargetDescriptions[i].clearColor = colorAttachmentInfos[i].clearColor;
-		hash.colorTargetDescriptions[i].loadOp = pColorAttachmentInfos[i].loadOp;
+		hash.colorTargetDescriptions[i].loadOp = colorAttachmentInfos[i].loadOp;
-		hash.colorTargetDescriptions[i].storeOp = pColorAttachmentInfos[i].storeOp;
+		hash.colorTargetDescriptions[i].storeOp = colorAttachmentInfos[i].storeOp;
 	}
 
 	if (depthStencilAttachmentInfo == NULL)
@@ -7109,30 +7368,170 @@ static VkRenderPass VULKAN_INTERNAL_FetchRenderPass(
 
 	if (renderPass != VK_NULL_HANDLE)
 	{
+		SDL_UnlockMutex(renderer->renderPassFetchLock);
 		return renderPass;
 	}
 
 	renderPass = VULKAN_INTERNAL_CreateRenderPass(
 		renderer,
-		pColorAttachmentInfos,
+		colorAttachmentInfos,
 		colorAttachmentCount,
 		depthStencilAttachmentInfo
 	);
 
-	RenderPassHashArray_Insert(
+	if (renderPass != VK_NULL_HANDLE)
-		&renderer->renderPassHashArray,
+	{
-		hash,
+		RenderPassHashArray_Insert(
-		renderPass
+			&renderer->renderPassHashArray,
+			hash,
+			renderPass
+		);
+	}
+
+	SDL_UnlockMutex(renderer->renderPassFetchLock);
+	return renderPass;
+}
+
+static VkFramebuffer VULKAN_INTERNAL_FetchFramebuffer(
+	VulkanRenderer *renderer,
+	VkRenderPass renderPass,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
+	uint32_t colorAttachmentCount,
+	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
+) {
+	VkFramebuffer framebuffer;
+	VkFramebufferCreateInfo framebufferInfo;
+	VkResult result;
+	VkImageView imageViewAttachments[2 * MAX_COLOR_TARGET_BINDINGS + 1];
+	FramebufferHash hash;
+	VulkanRenderTarget *renderTarget;
+	uint32_t attachmentCount = 0;
+	uint32_t i;
+
+	SDL_LockMutex(renderer->framebufferFetchLock);
+
+	for (i = 0; i < MAX_COLOR_TARGET_BINDINGS; i += 1)
+	{
+		hash.colorAttachmentViews[i] = VK_NULL_HANDLE;
+		hash.colorMultiSampleAttachmentViews[i] = VK_NULL_HANDLE;
+	}
+
+	hash.colorAttachmentCount = colorAttachmentCount;
+
+	for (i = 0; i < colorAttachmentCount; i += 1)
+	{
+		renderTarget = (VulkanRenderTarget*) colorAttachmentInfos[i].pRenderTarget;
+
+		hash.colorAttachmentViews[i] = (
+			renderTarget->view
+		);
+
+		hash.colorMultiSampleAttachmentViews[i] = (
+			renderTarget->multisampleTexture->view
+		);
+	}
+
+	if (depthStencilAttachmentInfo == NULL)
+	{
+		hash.depthStencilAttachmentView = VK_NULL_HANDLE;
+	}
+	else
+	{
+		hash.depthStencilAttachmentView = ((VulkanRenderTarget*)depthStencilAttachmentInfo->pDepthStencilTarget)->view;
+	}
+
+	if (colorAttachmentCount > 0)
+	{
+		renderTarget = (VulkanRenderTarget*) colorAttachmentInfos[0].pRenderTarget;
+	}
+	else
+	{
+		renderTarget = (VulkanRenderTarget*) depthStencilAttachmentInfo->pDepthStencilTarget;
+	}
+
+	hash.width = renderTarget->texture->dimensions.width;
+	hash.height = renderTarget->texture->dimensions.height;
+
+	framebuffer = FramebufferHashArray_Fetch(
+		&renderer->framebufferHashArray,
+		&hash
 	);
 
-	return renderPass;
+	if (framebuffer != VK_NULL_HANDLE)
+	{
+		SDL_UnlockMutex(renderer->framebufferFetchLock);
+		return framebuffer;
+	}
+
+	/* Create a new framebuffer */
+
+	for (i = 0; i < colorAttachmentCount; i += 1)
+	{
+		renderTarget = (VulkanRenderTarget*) colorAttachmentInfos[i].pRenderTarget;
+
+		imageViewAttachments[attachmentCount] =
+			renderTarget->view;
+
+		attachmentCount += 1;
+
+		if (renderTarget->multisampleCount > VK_SAMPLE_COUNT_1_BIT)
+		{
+			imageViewAttachments[attachmentCount] =
+				renderTarget->multisampleTexture->view;
+
+			attachmentCount += 1;
+		}
+	}
+
+	if (depthStencilAttachmentInfo != NULL)
+	{
+		renderTarget = (VulkanRenderTarget*) depthStencilAttachmentInfo->pDepthStencilTarget;
+
+		imageViewAttachments[attachmentCount] = renderTarget->view;
+
+		attachmentCount += 1;
+	}
+
+	framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
+	framebufferInfo.pNext = NULL;
+	framebufferInfo.flags = 0;
+	framebufferInfo.renderPass = renderPass;
+	framebufferInfo.attachmentCount = attachmentCount;
+	framebufferInfo.pAttachments = imageViewAttachments;
+	framebufferInfo.width = hash.width;
+	framebufferInfo.height = hash.height;
+	framebufferInfo.layers = 1;
+
+	result = renderer->vkCreateFramebuffer(
+		renderer->logicalDevice,
+		&framebufferInfo,
+		NULL,
+		&framebuffer
+	);
+
+	if (result == VK_SUCCESS)
+	{
+		FramebufferHashArray_Insert(
+			&renderer->framebufferHashArray,
+			hash,
+			framebuffer
+		);
+	}
+	else
+	{
+		LogVulkanResultAsError("vkCreateFramebuffer", result);
+		framebuffer = VK_NULL_HANDLE;
+	}
+
+	SDL_UnlockMutex(renderer->framebufferFetchLock);
+	return framebuffer;
 }
 
 static void VULKAN_BeginRenderPass(
 	Refresh_Renderer *driverData,
 	Refresh_CommandBuffer *commandBuffer,
 	Refresh_Rect *renderArea,
-	Refresh_ColorAttachmentInfo *pColorAttachmentInfos,
+	Refresh_ColorAttachmentInfo *colorAttachmentInfos,
 	uint32_t colorAttachmentCount,
 	Refresh_DepthStencilAttachmentInfo *depthStencilAttachmentInfo
 ) {
@@ -7141,27 +7540,38 @@ static void VULKAN_BeginRenderPass(
 	VkRenderPass renderPass;
 	VkFramebuffer framebuffer;
 
-	VulkanRenderTarget *colorTarget;
 	VulkanRenderTarget *depthStencilTarget;
 	VkClearValue *clearValues;
 	uint32_t clearCount = colorAttachmentCount;
 	uint32_t i;
 	VkImageAspectFlags depthAspectFlags;
 
+	if (colorAttachmentCount == 0 && depthStencilAttachmentInfo == NULL)
+	{
+		Refresh_LogError("Render pass must have at least one render target!");
+		return;
+	}
+
 	renderPass = VULKAN_INTERNAL_FetchRenderPass(
 		renderer,
-		pColorAttachmentInfos,
+		colorAttachmentInfos,
 		colorAttachmentCount,
 		depthStencilAttachmentInfo
 	);
 
-	framebuffer = VULKAN_INTERNAL_FetchFramebuffer(renderer);
+	framebuffer = VULKAN_INTERNAL_FetchFramebuffer(
+		renderer,
+		renderPass,
+		colorAttachmentInfos,
+		colorAttachmentCount,
+		depthStencilAttachmentInfo
+	);
 
 	/* Layout transitions */
 
 	for (i = 0; i < colorAttachmentCount; i += 1)
 	{
-		VulkanRenderTarget *colorTarget = (VulkanRenderTarget*) pColorAttachmentInfos->pRenderTarget;
+		VulkanRenderTarget *colorTarget = (VulkanRenderTarget*) colorAttachmentInfos->pRenderTarget;
 
 		VULKAN_INTERNAL_ImageMemoryBarrier(
 			renderer,
@@ -7212,10 +7622,10 @@ static void VULKAN_BeginRenderPass(
 
 	for (i = 0; i < colorAttachmentCount; i += 1)
 	{
-		clearValues[i].color.float32[0] = pColorAttachmentInfos[i].clearColor.x;
+		clearValues[i].color.float32[0] = colorAttachmentInfos[i].clearColor.x;
-		clearValues[i].color.float32[1] = pColorAttachmentInfos[i].clearColor.y;
+		clearValues[i].color.float32[1] = colorAttachmentInfos[i].clearColor.y;
-		clearValues[i].color.float32[2] = pColorAttachmentInfos[i].clearColor.z;
+		clearValues[i].color.float32[2] = colorAttachmentInfos[i].clearColor.z;
-		clearValues[i].color.float32[3] = pColorAttachmentInfos[i].clearColor.w;
+		clearValues[i].color.float32[3] = colorAttachmentInfos[i].clearColor.w;
 	}
 
 	if (depthStencilAttachmentInfo != NULL)
@@ -7255,9 +7665,6 @@ static void VULKAN_EndRenderPass(
 ) {
 	VulkanRenderer* renderer = (VulkanRenderer*) driverData;
 	VulkanCommandBuffer *vulkanCommandBuffer = (VulkanCommandBuffer*) commandBuffer;
-	VulkanTexture *currentTexture;
-	VkImageAspectFlags depthAspectFlags;
-	uint32_t i;
 
 	renderer->vkCmdEndRenderPass(
 		vulkanCommandBuffer->commandBuffer
@@ -7797,7 +8204,6 @@ static Refresh_CommandBuffer* VULKAN_AcquireCommandBuffer(
 	uint8_t fixed
 ) {
 	VulkanRenderer *renderer = (VulkanRenderer*) driverData;
-	uint32_t i;
 
 	SDL_threadID threadID = SDL_ThreadID();
 
@@ -9245,6 +9651,8 @@ static Refresh_Device* VULKAN_CreateDevice(
 	renderer->submitLock = SDL_CreateMutex();
 	renderer->acquireFenceLock = SDL_CreateMutex();
 	renderer->acquireCommandBufferLock = SDL_CreateMutex();
+	renderer->renderPassFetchLock = SDL_CreateMutex();
+	renderer->framebufferFetchLock = SDL_CreateMutex();
 
 	/* Create fence lists */
 
@@ -9552,6 +9960,14 @@ static Refresh_Device* VULKAN_CreateDevice(
 		renderer->descriptorSetLayoutHashTable.buckets[i].capacity = 0;
 	}
 
+	renderer->renderPassHashArray.elements = NULL;
+	renderer->renderPassHashArray.count = 0;
+	renderer->renderPassHashArray.capacity = 0;
+
+	renderer->framebufferHashArray.elements = NULL;
+	renderer->framebufferHashArray.count = 0;
+	renderer->framebufferHashArray.capacity = 0;
+
 	/* Initialize transfer buffer pool */
 	renderer->transferBufferPool.lock = SDL_CreateMutex();