Vulcan Nightmare

Experimentally bringing up vulcan support

assets/shaders/quest_marker.frag.glsl

@@ -0,0 +1,18 @@
+#version 450
+
+layout(set = 1, binding = 0) uniform sampler2D markerTexture;
+
+layout(push_constant) uniform Push {
+    mat4 model;
+    float alpha;
+} push;
+
+layout(location = 0) in vec2 TexCoord;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    vec4 texColor = texture(markerTexture, TexCoord);
+    if (texColor.a < 0.1) discard;
+    outColor = vec4(texColor.rgb, texColor.a * push.alpha);
+}