haze: use gpu console for rendering

troposphere/haze/source/console_fsh.glsl

@@ -0,0 +1,15 @@
+#version 460
+
+layout (location = 0) noperspective in vec3 inTexCoord;
+layout (location = 1) flat in vec4 inFrontPal;
+layout (location = 2) flat in vec4 inBackPal;
+
+layout (location = 0) out vec4 outColor;
+
+layout (binding = 0) uniform sampler2DArray tileset;
+
+void main()
+{
+    float value = texture(tileset, inTexCoord).r;
+    outColor = mix(inBackPal, inFrontPal, value);
+}