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Ch29Multisampling.diff
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diff --git "a/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch28Mipmapping.java" "b/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch29Multisampling.java"
index 0517dcc..57dfbf7 100644
--- "a/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch28Mipmapping.java"
+++ "b/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch29Multisampling.java"
@@ -45,7 +45,7 @@ import static org.lwjgl.vulkan.KHRSurface.*;
import static org.lwjgl.vulkan.KHRSwapchain.*;
import static org.lwjgl.vulkan.VK10.*;
-public class Ch28Mipmapping {
+public class Ch29Multisampling {
private static class HelloTriangleApplication {
@@ -213,6 +213,7 @@ public class Ch28Mipmapping {
private long surface;
private VkPhysicalDevice physicalDevice;
+ private int msaaSamples = VK_SAMPLE_COUNT_1_BIT;
private VkDevice device;
private VkQueue graphicsQueue;
@@ -234,6 +235,10 @@ public class Ch28Mipmapping {
private long commandPool;
+ private long colorImage;
+ private long colorImageMemory;
+ private long colorImageView;
+
private long depthImage;
private long depthImageMemory;
private long depthImageView;
@@ -333,6 +338,10 @@ public class Ch28Mipmapping {
private void cleanupSwapChain() {
+ vkDestroyImageView(device, colorImageView, null);
+ vkDestroyImage(device, colorImage, null);
+ vkFreeMemory(device, colorImageMemory, null);
+
vkDestroyImageView(device, depthImageView, null);
vkDestroyImage(device, depthImage, null);
vkFreeMemory(device, depthImageMemory, null);
@@ -424,6 +433,7 @@ public class Ch28Mipmapping {
createImageViews();
createRenderPass();
createGraphicsPipeline();
+ createColorResources();
createDepthResources();
createFramebuffers();
createUniformBuffers();
@@ -543,6 +553,7 @@ public class Ch28Mipmapping {
if(isDeviceSuitable(device)) {
physicalDevice = device;
+ msaaSamples = getMaxUsableSampleCount();
return;
}
}
@@ -570,6 +581,7 @@ public class Ch28Mipmapping {
VkPhysicalDeviceFeatures deviceFeatures = VkPhysicalDeviceFeatures.callocStack(stack);
deviceFeatures.samplerAnisotropy(true);
+ deviceFeatures.sampleRateShading(true); // Enable sample shading feature for the device
VkDeviceCreateInfo createInfo = VkDeviceCreateInfo.callocStack(stack);
@@ -686,30 +698,47 @@ public class Ch28Mipmapping {
try(MemoryStack stack = stackPush()) {
- VkAttachmentDescription.Buffer attachments = VkAttachmentDescription.callocStack(2, stack);
- VkAttachmentReference.Buffer attachmentRefs = VkAttachmentReference.callocStack(2, stack);
+ VkAttachmentDescription.Buffer attachments = VkAttachmentDescription.callocStack(3, stack);
+ VkAttachmentReference.Buffer attachmentRefs = VkAttachmentReference.callocStack(3, stack);
// Color attachments
+ // MSAA Image
VkAttachmentDescription colorAttachment = attachments.get(0);
colorAttachment.format(swapChainImageFormat);
- colorAttachment.samples(VK_SAMPLE_COUNT_1_BIT);
+ colorAttachment.samples(msaaSamples);
colorAttachment.loadOp(VK_ATTACHMENT_LOAD_OP_CLEAR);
colorAttachment.storeOp(VK_ATTACHMENT_STORE_OP_STORE);
colorAttachment.stencilLoadOp(VK_ATTACHMENT_LOAD_OP_DONT_CARE);
colorAttachment.stencilStoreOp(VK_ATTACHMENT_STORE_OP_DONT_CARE);
colorAttachment.initialLayout(VK_IMAGE_LAYOUT_UNDEFINED);
- colorAttachment.finalLayout(VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
+ colorAttachment.finalLayout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
VkAttachmentReference colorAttachmentRef = attachmentRefs.get(0);
colorAttachmentRef.attachment(0);
colorAttachmentRef.layout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
+ // Present Image
+ VkAttachmentDescription colorAttachmentResolve = attachments.get(2);
+ colorAttachmentResolve.format(swapChainImageFormat);
+ colorAttachmentResolve.samples(VK_SAMPLE_COUNT_1_BIT);
+ colorAttachmentResolve.loadOp(VK_ATTACHMENT_LOAD_OP_DONT_CARE);
+ colorAttachmentResolve.storeOp(VK_ATTACHMENT_STORE_OP_STORE);
+ colorAttachmentResolve.stencilLoadOp(VK_ATTACHMENT_LOAD_OP_DONT_CARE);
+ colorAttachmentResolve.stencilStoreOp(VK_ATTACHMENT_STORE_OP_DONT_CARE);
+ colorAttachmentResolve.initialLayout(VK_IMAGE_LAYOUT_UNDEFINED);
+ colorAttachmentResolve.finalLayout(VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
+
+ VkAttachmentReference colorAttachmentResolveRef = attachmentRefs.get(2);
+ colorAttachmentResolveRef.attachment(2);
+ colorAttachmentResolveRef.layout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
+
+
// Depth-Stencil attachments
VkAttachmentDescription depthAttachment = attachments.get(1);
depthAttachment.format(findDepthFormat());
- depthAttachment.samples(VK_SAMPLE_COUNT_1_BIT);
+ depthAttachment.samples(msaaSamples);
depthAttachment.loadOp(VK_ATTACHMENT_LOAD_OP_CLEAR);
depthAttachment.storeOp(VK_ATTACHMENT_STORE_OP_DONT_CARE);
depthAttachment.stencilLoadOp(VK_ATTACHMENT_LOAD_OP_DONT_CARE);
@@ -726,6 +755,7 @@ public class Ch28Mipmapping {
subpass.colorAttachmentCount(1);
subpass.pColorAttachments(VkAttachmentReference.callocStack(1, stack).put(0, colorAttachmentRef));
subpass.pDepthStencilAttachment(depthAttachmentRef);
+ subpass.pResolveAttachments(VkAttachmentReference.callocStack(1, stack).put(0, colorAttachmentResolveRef));
VkSubpassDependency.Buffer dependency = VkSubpassDependency.callocStack(1, stack);
dependency.srcSubpass(VK_SUBPASS_EXTERNAL);
@@ -863,8 +893,9 @@ public class Ch28Mipmapping {
VkPipelineMultisampleStateCreateInfo multisampling = VkPipelineMultisampleStateCreateInfo.callocStack(stack);
multisampling.sType(VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO);
- multisampling.sampleShadingEnable(false);
- multisampling.rasterizationSamples(VK_SAMPLE_COUNT_1_BIT);
+ multisampling.sampleShadingEnable(true);
+ multisampling.minSampleShading(0.2f); // Enable sample shading in the pipeline
+ multisampling.rasterizationSamples(msaaSamples); // Min fraction for sample shading; closer to one is smoother
VkPipelineDepthStencilStateCreateInfo depthStencil = VkPipelineDepthStencilStateCreateInfo.callocStack(stack);
depthStencil.sType(VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO);
@@ -943,7 +974,7 @@ public class Ch28Mipmapping {
try(MemoryStack stack = stackPush()) {
- LongBuffer attachments = stack.longs(VK_NULL_HANDLE, depthImageView);
+ LongBuffer attachments = stack.longs(colorImageView, depthImageView, VK_NULL_HANDLE);
LongBuffer pFramebuffer = stack.mallocLong(1);
// Lets allocate the create info struct once and just update the pAttachments field each iteration
@@ -956,7 +987,7 @@ public class Ch28Mipmapping {
for(long imageView : swapChainImageViews) {
- attachments.put(0, imageView);
+ attachments.put(2, imageView);
framebufferInfo.pAttachments(attachments);
@@ -989,6 +1020,32 @@ public class Ch28Mipmapping {
}
}
+ private void createColorResources() {
+
+ try(MemoryStack stack = stackPush()) {
+
+ LongBuffer pColorImage = stack.mallocLong(1);
+ LongBuffer pColorImageMemory = stack.mallocLong(1);
+
+ createImage(swapChainExtent.width(), swapChainExtent.height(),
+ 1,
+ msaaSamples,
+ swapChainImageFormat,
+ VK_IMAGE_TILING_OPTIMAL,
+ VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
+ VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
+ pColorImage,
+ pColorImageMemory);
+
+ colorImage = pColorImage.get(0);
+ colorImageMemory = pColorImageMemory.get(0);
+
+ colorImageView = createImageView(colorImage, swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1);
+
+ transitionImageLayout(colorImage, swapChainImageFormat, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, 1);
+ }
+ }
+
private void createDepthResources() {
try(MemoryStack stack = stackPush()) {
@@ -1001,6 +1058,7 @@ public class Ch28Mipmapping {
createImage(
swapChainExtent.width(), swapChainExtent.height(),
1,
+ msaaSamples,
depthFormat,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
@@ -1103,7 +1161,7 @@ public class Ch28Mipmapping {
LongBuffer pTextureImageMemory = stack.mallocLong(1);
createImage(pWidth.get(0), pHeight.get(0),
mipLevels,
- VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL,
+ VK_SAMPLE_COUNT_1_BIT, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
pTextureImage,
@@ -1229,6 +1287,39 @@ public class Ch28Mipmapping {
}
}
+ private int getMaxUsableSampleCount() {
+
+ try(MemoryStack stack = stackPush()) {
+
+ VkPhysicalDeviceProperties physicalDeviceProperties = VkPhysicalDeviceProperties.mallocStack(stack);
+ vkGetPhysicalDeviceProperties(physicalDevice, physicalDeviceProperties);
+
+ int sampleCountFlags = physicalDeviceProperties.limits().framebufferColorSampleCounts()
+ & physicalDeviceProperties.limits().framebufferDepthSampleCounts();
+
+ if((sampleCountFlags & VK_SAMPLE_COUNT_64_BIT) != 0) {
+ return VK_SAMPLE_COUNT_64_BIT;
+ }
+ if((sampleCountFlags & VK_SAMPLE_COUNT_32_BIT) != 0) {
+ return VK_SAMPLE_COUNT_32_BIT;
+ }
+ if((sampleCountFlags & VK_SAMPLE_COUNT_16_BIT) != 0) {
+ return VK_SAMPLE_COUNT_16_BIT;
+ }
+ if((sampleCountFlags & VK_SAMPLE_COUNT_8_BIT) != 0) {
+ return VK_SAMPLE_COUNT_8_BIT;
+ }
+ if((sampleCountFlags & VK_SAMPLE_COUNT_4_BIT) != 0) {
+ return VK_SAMPLE_COUNT_4_BIT;
+ }
+ if((sampleCountFlags & VK_SAMPLE_COUNT_2_BIT) != 0) {
+ return VK_SAMPLE_COUNT_2_BIT;
+ }
+
+ return VK_SAMPLE_COUNT_1_BIT;
+ }
+ }
+
private void createTextureImageView() {
textureImageView = createImageView(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_ASPECT_COLOR_BIT, mipLevels);
}
@@ -1290,7 +1381,7 @@ public class Ch28Mipmapping {
}
}
- private void createImage(int width, int height, int mipLevels, int format, int tiling, int usage, int memProperties,
+ private void createImage(int width, int height, int mipLevels, int numSamples, int format, int tiling, int usage, int memProperties,
LongBuffer pTextureImage, LongBuffer pTextureImageMemory) {
try(MemoryStack stack = stackPush()) {
@@ -1307,7 +1398,7 @@ public class Ch28Mipmapping {
imageInfo.tiling(tiling);
imageInfo.initialLayout(VK_IMAGE_LAYOUT_UNDEFINED);
imageInfo.usage(usage);
- imageInfo.samples(VK_SAMPLE_COUNT_1_BIT);
+ imageInfo.samples(numSamples);
imageInfo.sharingMode(VK_SHARING_MODE_EXCLUSIVE);
if(vkCreateImage(device, imageInfo, null, pTextureImage) != VK_SUCCESS) {
@@ -1387,6 +1478,14 @@ public class Ch28Mipmapping {
sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
destinationStage = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
+ } else if(oldLayout == VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
+
+ barrier.srcAccessMask(0);
+ barrier.dstAccessMask(VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT);
+
+ sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
+ destinationStage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+
} else {
throw new IllegalArgumentException("Unsupported layout transition");
}