Vulcan Nightmare

Experimentally bringing up vulcan support

assets/shaders/clouds.vert.glsl

@@ -0,0 +1,25 @@
+#version 450
+
+layout(set = 0, binding = 0) uniform PerFrame {
+    mat4 view;
+    mat4 projection;
+    mat4 lightSpaceMatrix;
+    vec4 lightDir;
+    vec4 lightColor;
+    vec4 ambientColor;
+    vec4 viewPos;
+    vec4 fogColor;
+    vec4 fogParams;
+    vec4 shadowParams;
+};
+
+layout(location = 0) in vec3 aPos;
+
+layout(location = 0) out vec3 vWorldDir;
+
+void main() {
+    vWorldDir = aPos;
+    mat4 rotView = mat4(mat3(view));
+    vec4 pos = projection * rotView * vec4(aPos, 1.0);
+    gl_Position = pos.xyww;
+}