Possibly fix device loss

src/main.rs

@@ -3,7 +3,7 @@
 #![feature(portable_simd)]
 #![feature(mpmc_channel)]
 
-const DUMP_SPV_TO_FILE: bool = false;
+const DUMP_SPV_TO_FILE: bool = true;
 const PIPELINE_CACHING: bool = false;
 
 const BYTECODE_IMITATES_GLSL: bool = false;

src/trace.frag.glsl

@@ -11,6 +11,8 @@ layout(location = 0) out uint material;
 
 const float EPSILON = .001;
 
+const uint MAX_STEPS = 50;
+
 void main() {
     if (SPEC_BOUNDING_BOXES) {
         material = object_uniforms.material;
@@ -24,7 +26,7 @@ void main() {
 
     vec3 p = raypos;
     float total_dist = 0.;
-    do {
+    for (uint i = 0; i < MAX_STEPS; i++) {
         float dist = scene(vec4(p, camera_uniforms.campos_and_time.w));
         total_dist += dist;
         p = fma(raydir, vec3(total_dist), raypos);
@@ -36,5 +38,6 @@ void main() {
         } else if (total_dist > farplane) {
             discard;
         }
-    } while (true);
+    }
+    discard;
 }