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Ch28Mipmapping.diff
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diff --git "a/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch27ModelLoading.java" "b/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch28Mipmapping.java"
index f9c0cfe..0517dcc 100644
--- "a/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch27ModelLoading.java"
+++ "b/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch28Mipmapping.java"
@@ -1,17 +1,17 @@
package javavulkantutorial;
import javavulkantutorial.ShaderSPIRVUtils.SPIRV;
-import org.joml.*;
+import org.joml.Matrix4f;
+import org.joml.Vector2fc;
+import org.joml.Vector3f;
+import org.joml.Vector3fc;
import org.lwjgl.PointerBuffer;
-import org.lwjgl.assimp.AIScene;
-import org.lwjgl.assimp.Assimp;
import org.lwjgl.system.Configuration;
import org.lwjgl.system.MemoryStack;
import org.lwjgl.system.Pointer;
import org.lwjgl.vulkan.*;
import java.io.File;
-import java.lang.Math;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
@@ -26,11 +26,12 @@ import static java.lang.ClassLoader.getSystemClassLoader;
import static java.util.stream.Collectors.toSet;
import static javavulkantutorial.AlignmentUtils.alignas;
import static javavulkantutorial.AlignmentUtils.alignof;
-import static javavulkantutorial.ModelLoader.*;
+import static javavulkantutorial.ModelLoader.Model;
import static javavulkantutorial.ShaderSPIRVUtils.ShaderKind.FRAGMENT_SHADER;
import static javavulkantutorial.ShaderSPIRVUtils.ShaderKind.VERTEX_SHADER;
import static javavulkantutorial.ShaderSPIRVUtils.compileShaderFile;
-import static org.lwjgl.assimp.Assimp.*;
+import static org.lwjgl.assimp.Assimp.aiProcess_DropNormals;
+import static org.lwjgl.assimp.Assimp.aiProcess_FlipUVs;
import static org.lwjgl.glfw.GLFW.*;
import static org.lwjgl.glfw.GLFWVulkan.glfwCreateWindowSurface;
import static org.lwjgl.glfw.GLFWVulkan.glfwGetRequiredInstanceExtensions;
@@ -44,7 +45,7 @@ import static org.lwjgl.vulkan.KHRSurface.*;
import static org.lwjgl.vulkan.KHRSwapchain.*;
import static org.lwjgl.vulkan.VK10.*;
-public class Ch27ModelLoading {
+public class Ch28Mipmapping {
private static class HelloTriangleApplication {
@@ -237,6 +238,7 @@ public class Ch27ModelLoading {
private long depthImageMemory;
private long depthImageView;
+ private int mipLevels;
private long textureImage;
private long textureImageMemory;
private long textureImageView;
@@ -676,7 +678,7 @@ public class Ch27ModelLoading {
swapChainImageViews = new ArrayList<>(swapChainImages.size());
for(long swapChainImage : swapChainImages) {
- swapChainImageViews.add(createImageView(swapChainImage, swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT));
+ swapChainImageViews.add(createImageView(swapChainImage, swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1));
}
}
@@ -699,8 +701,6 @@ public class Ch27ModelLoading {
colorAttachment.initialLayout(VK_IMAGE_LAYOUT_UNDEFINED);
colorAttachment.finalLayout(VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
- int y = attachments.get(0).samples();
-
VkAttachmentReference colorAttachmentRef = attachmentRefs.get(0);
colorAttachmentRef.attachment(0);
colorAttachmentRef.layout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
@@ -1000,6 +1000,7 @@ public class Ch27ModelLoading {
createImage(
swapChainExtent.width(), swapChainExtent.height(),
+ 1,
depthFormat,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
@@ -1010,11 +1011,12 @@ public class Ch27ModelLoading {
depthImage = pDepthImage.get(0);
depthImageMemory = pDepthImageMemory.get(0);
- depthImageView = createImageView(depthImage, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT);
+ depthImageView = createImageView(depthImage, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT, 1);
// Explicitly transitioning the depth image
transitionImageLayout(depthImage, depthFormat,
- VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
+ VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
+ 1);
}
}
@@ -1055,6 +1057,10 @@ public class Ch27ModelLoading {
return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
}
+ private double log2(double n) {
+ return Math.log(n) / Math.log(2);
+ }
+
private void createTextureImage() {
try(MemoryStack stack = stackPush()) {
@@ -1069,6 +1075,8 @@ public class Ch27ModelLoading {
long imageSize = pWidth.get(0) * pHeight.get(0) * 4; // pChannels.get(0);
+ mipLevels = (int) Math.floor(log2(Math.max(pWidth.get(0), pHeight.get(0)))) + 1;
+
if(pixels == null) {
throw new RuntimeException("Failed to load texture image " + filename);
}
@@ -1094,8 +1102,9 @@ public class Ch27ModelLoading {
LongBuffer pTextureImage = stack.mallocLong(1);
LongBuffer pTextureImageMemory = stack.mallocLong(1);
createImage(pWidth.get(0), pHeight.get(0),
+ mipLevels,
VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL,
- VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
+ VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
pTextureImage,
pTextureImageMemory);
@@ -1106,14 +1115,13 @@ public class Ch27ModelLoading {
transitionImageLayout(textureImage,
VK_FORMAT_R8G8B8A8_SRGB,
VK_IMAGE_LAYOUT_UNDEFINED,
- VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+ VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
+ mipLevels);
copyBufferToImage(pStagingBuffer.get(0), textureImage, pWidth.get(0), pHeight.get(0));
- transitionImageLayout(textureImage,
- VK_FORMAT_R8G8B8A8_SRGB,
- VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
- VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+ // Transitioned to VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL while generating mipmaps
+ generateMipmaps(textureImage, VK_FORMAT_R8G8B8A8_SRGB, pWidth.get(0), pHeight.get(0), mipLevels);
vkDestroyBuffer(device, pStagingBuffer.get(0), null);
vkFreeMemory(device, pStagingBufferMemory.get(0), null);
@@ -1123,8 +1131,106 @@ public class Ch27ModelLoading {
}
}
+ private void generateMipmaps(long image, int imageFormat, int width, int height, int mipLevels) {
+
+ try(MemoryStack stack = stackPush()) {
+
+ // Check if image format supports linear blitting
+ VkFormatProperties formatProperties = VkFormatProperties.mallocStack(stack);
+ vkGetPhysicalDeviceFormatProperties(physicalDevice, imageFormat, formatProperties);
+
+ if((formatProperties.optimalTilingFeatures() & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) == 0) {
+ throw new RuntimeException("Texture image format does not support linear blitting");
+ }
+
+ VkCommandBuffer commandBuffer = beginSingleTimeCommands();
+
+ VkImageMemoryBarrier.Buffer barrier = VkImageMemoryBarrier.callocStack(1, stack);
+ barrier.sType(VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER);
+ barrier.image(image);
+ barrier.srcQueueFamilyIndex(VK_QUEUE_FAMILY_IGNORED);
+ barrier.dstQueueFamilyIndex(VK_QUEUE_FAMILY_IGNORED);
+ barrier.dstAccessMask(VK_QUEUE_FAMILY_IGNORED);
+ barrier.subresourceRange().aspectMask(VK_IMAGE_ASPECT_COLOR_BIT);
+ barrier.subresourceRange().baseArrayLayer(0);
+ barrier.subresourceRange().layerCount(1);
+ barrier.subresourceRange().levelCount(1);
+
+ int mipWidth = width;
+ int mipHeight = height;
+
+ for(int i = 1;i < mipLevels;i++) {
+
+ barrier.subresourceRange().baseMipLevel(i - 1);
+ barrier.oldLayout(VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+ barrier.newLayout(VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
+ barrier.srcAccessMask(VK_ACCESS_TRANSFER_WRITE_BIT);
+ barrier.dstAccessMask(VK_ACCESS_TRANSFER_READ_BIT);
+
+ vkCmdPipelineBarrier(commandBuffer,
+ VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
+ null,
+ null,
+ barrier);
+
+ VkImageBlit.Buffer blit = VkImageBlit.callocStack(1, stack);
+ blit.srcOffsets(0).set(0, 0, 0);
+ blit.srcOffsets(1).set(mipWidth, mipHeight, 1);
+ blit.srcSubresource().aspectMask(VK_IMAGE_ASPECT_COLOR_BIT);
+ blit.srcSubresource().mipLevel(i - 1);
+ blit.srcSubresource().baseArrayLayer(0);
+ blit.srcSubresource().layerCount(1);
+ blit.dstOffsets(0).set(0, 0, 0);
+ blit.dstOffsets(1).set(mipWidth > 1 ? mipWidth / 2 : 1, mipHeight > 1 ? mipHeight / 2 : 1, 1);
+ blit.dstSubresource().aspectMask(VK_IMAGE_ASPECT_COLOR_BIT);
+ blit.dstSubresource().mipLevel(i);
+ blit.dstSubresource().baseArrayLayer(0);
+ blit.dstSubresource().layerCount(1);
+
+ vkCmdBlitImage(commandBuffer,
+ image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
+ image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
+ blit,
+ VK_FILTER_LINEAR);
+
+ barrier.oldLayout(VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
+ barrier.newLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+ barrier.srcAccessMask(VK_ACCESS_TRANSFER_READ_BIT);
+ barrier.dstAccessMask(VK_ACCESS_SHADER_READ_BIT);
+
+ vkCmdPipelineBarrier(commandBuffer,
+ VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0,
+ null,
+ null,
+ barrier);
+
+ if(mipWidth > 1) {
+ mipWidth /= 2;
+ }
+
+ if(mipHeight > 1) {
+ mipHeight /= 2;
+ }
+ }
+
+ barrier.subresourceRange().baseMipLevel(mipLevels - 1);
+ barrier.oldLayout(VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+ barrier.newLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+ barrier.srcAccessMask(VK_ACCESS_TRANSFER_WRITE_BIT);
+ barrier.dstAccessMask(VK_ACCESS_SHADER_READ_BIT);
+
+ vkCmdPipelineBarrier(commandBuffer,
+ VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0,
+ null,
+ null,
+ barrier);
+
+ endSingleTimeCommands(commandBuffer);
+ }
+ }
+
private void createTextureImageView() {
- textureImageView = createImageView(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_ASPECT_COLOR_BIT);
+ textureImageView = createImageView(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_ASPECT_COLOR_BIT, mipLevels);
}
private void createTextureSampler() {
@@ -1145,6 +1251,9 @@ public class Ch27ModelLoading {
samplerInfo.compareEnable(false);
samplerInfo.compareOp(VK_COMPARE_OP_ALWAYS);
samplerInfo.mipmapMode(VK_SAMPLER_MIPMAP_MODE_LINEAR);
+ samplerInfo.minLod(0); // Optional
+ samplerInfo.maxLod((float) mipLevels);
+ samplerInfo.mipLodBias(0); // Optional
LongBuffer pTextureSampler = stack.mallocLong(1);
@@ -1156,7 +1265,7 @@ public class Ch27ModelLoading {
}
}
- private long createImageView(long image, int format, int aspectFlags) {
+ private long createImageView(long image, int format, int aspectFlags, int mipLevels) {
try(MemoryStack stack = stackPush()) {
@@ -1167,7 +1276,7 @@ public class Ch27ModelLoading {
viewInfo.format(format);
viewInfo.subresourceRange().aspectMask(aspectFlags);
viewInfo.subresourceRange().baseMipLevel(0);
- viewInfo.subresourceRange().levelCount(1);
+ viewInfo.subresourceRange().levelCount(mipLevels);
viewInfo.subresourceRange().baseArrayLayer(0);
viewInfo.subresourceRange().layerCount(1);
@@ -1181,7 +1290,7 @@ public class Ch27ModelLoading {
}
}
- private void createImage(int width, int height, int format, int tiling, int usage, int memProperties,
+ private void createImage(int width, int height, int mipLevels, int format, int tiling, int usage, int memProperties,
LongBuffer pTextureImage, LongBuffer pTextureImageMemory) {
try(MemoryStack stack = stackPush()) {
@@ -1192,7 +1301,7 @@ public class Ch27ModelLoading {
imageInfo.extent().width(width);
imageInfo.extent().height(height);
imageInfo.extent().depth(1);
- imageInfo.mipLevels(1);
+ imageInfo.mipLevels(mipLevels);
imageInfo.arrayLayers(1);
imageInfo.format(format);
imageInfo.tiling(tiling);
@@ -1221,7 +1330,7 @@ public class Ch27ModelLoading {
}
}
- private void transitionImageLayout(long image, int format, int oldLayout, int newLayout) {
+ private void transitionImageLayout(long image, int format, int oldLayout, int newLayout, int mipLevels) {
try(MemoryStack stack = stackPush()) {
@@ -1234,7 +1343,7 @@ public class Ch27ModelLoading {
barrier.image(image);
barrier.subresourceRange().baseMipLevel(0);
- barrier.subresourceRange().levelCount(1);
+ barrier.subresourceRange().levelCount(mipLevels);
barrier.subresourceRange().baseArrayLayer(0);
barrier.subresourceRange().layerCount(1);