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Ch27ModelLoading.diff
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diff --git "a/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch26DepthBuffering.java" "b/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch27ModelLoading.java"
index dfd94d9..f9c0cfe 100644
--- "a/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch26DepthBuffering.java"
+++ "b/G:\\Java-Dev\\Vulkan-Tutorial-Java\\src\\main\\java\\javavulkantutorial\\Ch27ModelLoading.java"
@@ -3,11 +3,14 @@ package javavulkantutorial;
import javavulkantutorial.ShaderSPIRVUtils.SPIRV;
import org.joml.*;
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;
@@ -23,9 +26,11 @@ 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.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.glfw.GLFW.*;
import static org.lwjgl.glfw.GLFWVulkan.glfwCreateWindowSurface;
import static org.lwjgl.glfw.GLFWVulkan.glfwGetRequiredInstanceExtensions;
@@ -39,7 +44,7 @@ import static org.lwjgl.vulkan.KHRSurface.*;
import static org.lwjgl.vulkan.KHRSwapchain.*;
import static org.lwjgl.vulkan.VK10.*;
-public class Ch26DepthBuffering {
+public class Ch27ModelLoading {
private static class HelloTriangleApplication {
@@ -198,23 +203,6 @@ public class Ch26DepthBuffering {
}
- private static final Vertex[] VERTICES = {
- new Vertex(new Vector3f(-0.5f, -0.5f, 0.0f ), new Vector3f(1.0f, 0.0f, 0.0f), new Vector2f(0.0f, 0.0f)),
- new Vertex(new Vector3f(0.5f, -0.5f, 0.0f ), new Vector3f(0.0f, 1.0f, 0.0f), new Vector2f(1.0f, 0.0f)),
- new Vertex(new Vector3f(0.5f, 0.5f, 0.0f ), new Vector3f(0.0f, 0.0f, 1.0f), new Vector2f(1.0f, 1.0f)),
- new Vertex(new Vector3f(-0.5f, 0.5f, 0.0f ), new Vector3f(1.0f, 1.0f, 1.0f), new Vector2f(0.0f, 1.0f)),
-
- new Vertex(new Vector3f(-0.5f, -0.5f, -0.5f), new Vector3f(1.0f, 0.0f, 0.0f), new Vector2f(0.0f, 0.0f)),
- new Vertex(new Vector3f(0.5f, -0.5f, -0.5f ), new Vector3f(0.0f, 1.0f, 0.0f), new Vector2f(1.0f, 0.0f)),
- new Vertex(new Vector3f(0.5f, 0.5f, -0.5f ), new Vector3f(0.0f, 0.0f, 1.0f), new Vector2f(1.0f, 1.0f)),
- new Vertex(new Vector3f(-0.5f, 0.5f, -0.5f ), new Vector3f(1.0f, 1.0f, 1.0f), new Vector2f(0.0f, 1.0f))
- };
-
- private static final /*uint16_t*/ short[] INDICES = {
- 0, 1, 2, 2, 3, 0,
- 4, 5, 6, 6, 7, 4
- };
-
// ======= FIELDS ======= //
private long window;
@@ -254,6 +242,8 @@ public class Ch26DepthBuffering {
private long textureImageView;
private long textureSampler;
+ private Vertex[] vertices;
+ private int[] indices;
private long vertexBuffer;
private long vertexBufferMemory;
private long indexBuffer;
@@ -320,6 +310,7 @@ public class Ch26DepthBuffering {
createTextureImage();
createTextureImageView();
createTextureSampler();
+ loadModel();
createVertexBuffer();
createIndexBuffer();
createDescriptorSetLayout();
@@ -1068,7 +1059,7 @@ public class Ch26DepthBuffering {
try(MemoryStack stack = stackPush()) {
- String filename = Paths.get(new URI(getSystemClassLoader().getResource("textures/texture.jpg").toExternalForm())).toString();
+ String filename = Paths.get(new URI(getSystemClassLoader().getResource("textures/chalet.jpg").toExternalForm())).toString();
IntBuffer pWidth = stack.mallocInt(1);
IntBuffer pHeight = stack.mallocInt(1);
@@ -1333,11 +1324,37 @@ public class Ch26DepthBuffering {
src.limit(src.capacity()).rewind();
}
+ private void loadModel() {
+
+ File modelFile = new File(getSystemClassLoader().getResource("models/chalet.obj").getFile());
+
+ Model model = ModelLoader.loadModel(modelFile, aiProcess_FlipUVs | aiProcess_DropNormals);
+
+ final int vertexCount = model.positions.size();
+
+ vertices = new Vertex[vertexCount];
+
+ final Vector3fc color = new Vector3f(1.0f, 1.0f, 1.0f);
+
+ for(int i = 0;i < vertexCount;i++) {
+ vertices[i] = new Vertex(
+ model.positions.get(i),
+ color,
+ model.texCoords.get(i));
+ }
+
+ indices = new int[model.indices.size()];
+
+ for(int i = 0;i < indices.length;i++) {
+ indices[i] = model.indices.get(i);
+ }
+ }
+
private void createVertexBuffer() {
try(MemoryStack stack = stackPush()) {
- long bufferSize = Vertex.SIZEOF * VERTICES.length;
+ long bufferSize = Vertex.SIZEOF * vertices.length;
LongBuffer pBuffer = stack.mallocLong(1);
LongBuffer pBufferMemory = stack.mallocLong(1);
@@ -1354,7 +1371,7 @@ public class Ch26DepthBuffering {
vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, data);
{
- memcpy(data.getByteBuffer(0, (int) bufferSize), VERTICES);
+ memcpy(data.getByteBuffer(0, (int) bufferSize), vertices);
}
vkUnmapMemory(device, stagingBufferMemory);
@@ -1378,7 +1395,7 @@ public class Ch26DepthBuffering {
try(MemoryStack stack = stackPush()) {
- long bufferSize = Short.BYTES * INDICES.length;
+ long bufferSize = Integer.BYTES * indices.length;
LongBuffer pBuffer = stack.mallocLong(1);
LongBuffer pBufferMemory = stack.mallocLong(1);
@@ -1395,7 +1412,7 @@ public class Ch26DepthBuffering {
vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, data);
{
- memcpy(data.getByteBuffer(0, (int) bufferSize), INDICES);
+ memcpy(data.getByteBuffer(0, (int) bufferSize), indices);
}
vkUnmapMemory(device, stagingBufferMemory);
@@ -1635,10 +1652,10 @@ public class Ch26DepthBuffering {
}
}
- private void memcpy(ByteBuffer buffer, short[] indices) {
+ private void memcpy(ByteBuffer buffer, int[] indices) {
- for(short index : indices) {
- buffer.putShort(index);
+ for(int index : indices) {
+ buffer.putInt(index);
}
buffer.rewind();
@@ -1729,12 +1746,12 @@ public class Ch26DepthBuffering {
LongBuffer offsets = stack.longs(0);
vkCmdBindVertexBuffers(commandBuffer, 0, vertexBuffers, offsets);
- vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT16);
+ vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelineLayout, 0, stack.longs(descriptorSets.get(i)), null);
- vkCmdDrawIndexed(commandBuffer, INDICES.length, 1, 0, 0, 0);
+ vkCmdDrawIndexed(commandBuffer, indices.length, 1, 0, 0, 0);
}
vkCmdEndRenderPass(commandBuffer);