Chapter 11

Author: lwjglgamedev

README.md

@@ -6,7 +6,7 @@ This [online book](bookcontents/) will introduce the main concepts required to w
 
 We will use [LWJGL](http://www.lwjgl.org/) as the Java library which provides the required bindings to use Vulkan and any other required APIs. This book is the result of my self learning language, that I think it may help the community.
 
-![Sample screen shot](screen-shot.png)
+![Sample screen shot](./bookcontents/chapter-11/screen-shot.png)
 
 ## Book Code
 

bookcontents/chapter-11/attachments.png

@@ -0,0 +1 @@
+# Pending

bookcontents/chapter-11/chapter-11.md

@@ -1,4 +1,7 @@
 #version 450
+// CREDITS: Most of the functions here have been obtained from this link: https://learnopengl.com/PBR
+// developed by Joey de Vries, https://twitter.com/JoeyDeVriez, and licensed under the terms of the CC BY-NC 4.0,
+// https://creativecommons.org/licenses/by-nc/4.0/legalcode
 
 const int MAX_LIGHTS = 10;
 const float PI = 3.14159265359;
@@ -18,12 +21,10 @@ layout(set = 0, binding = 1) uniform sampler2D normalsSampler;
 layout(set = 0, binding = 2) uniform sampler2D pbrSampler;
 layout(set = 0, binding = 3) uniform sampler2D depthSampler;
 layout(set = 1, binding = 0) uniform UBO {
+    vec4 ambientLightColor;
     uint count;
     Light lights[MAX_LIGHTS];
 } lights;
-layout(set = 1, binding = 1) uniform AmbientLightUniform {
-    vec4 color;
-} ambientLight;
 layout(set = 2, binding = 0) uniform ProjUniform {
     mat4 invProjectionMatrix;
 } projUniform;
@@ -147,7 +148,7 @@ void main() {
         }
     }
 
-    vec3 ambient = ambientLight.color.rgb * albedo * ao;
+    vec3 ambient = lights.ambientLightColor.rgb * albedo * ao;
 
     outFragColor = vec4(pow(ambient + lightColor, vec3(0.4545)), 1.0);
 }

screen-shot.png renamed to bookcontents/chapter-11/screen-shot.png

@@ -76,6 +76,9 @@ public void loadMeshes(MeshData[] meshDataList) {
     }
 
     public void render(Window window, Scene scene) {
+        if (window.getWidth() <= 0 && window.getHeight() <= 0) {
+            return;
+        }
         if (window.isResized() || swapChain.acquireNextImage()) {
             window.resetResized();
             resize(window, scene);

bookcontents/chapter-11/transparencies.png

@@ -331,7 +331,5 @@ private void updateTextureDescriptorSet(Texture texture) {
                     texture, textureSampler, 0);
             descriptorSetMap.put(textureFileName, textureDescriptorSet);
         }
-
     }
-
-}
+}