Fix hero sampling

Author: tylertms

src/shaders/integrator/path/common.slang

@@ -284,7 +284,7 @@ uint buildSceneRayCoherenceHint(SpectralSinglePathState pathState) {
 }
 
 uint buildSceneRayCoherenceHint(SpectralHeroPathState pathState) {
-    return buildCommonSceneRayCoherenceHint(pathState.common, spectralHeroPathActive(pathState) ? 12u : 4u);
+    return buildCommonSceneRayCoherenceHint(pathState.common, 4u);
 }
 
 bool runSelectionMaskDebug(RaygenPixelState pixelState, inout RaygenFrameState frameState) {

src/shaders/meson.build

@@ -10,7 +10,7 @@ shader_common_spirv_capabilities = [
 shader_programs = [
   ['rgen',                  'path/raygen.slang',                    'rgen.spv',                     'raygeneration', ['rt'],        'shaderRgen'                    ],
   ['rgenSpectralSingle',    'path/raygen_spectral_single.slang',    'rgenSpectralSingle.spv',       'raygeneration', ['rt'],        'shaderRgenSpectralSingle'      ],
-  ['rgenSpectralHero',      'path/raygen_spectral_hero.slang',   '  rgenSpectralHero.spv',          'raygeneration', ['rt'],        'shaderRgenSpectralHero'        ],
+  ['rgenSpectralHero',      'path/raygen_spectral_hero.slang',      'rgenSpectralHero.spv',         'raygeneration', ['rt'],        'shaderRgenSpectralHero'        ],
   ['rchit',                 'path/hit.slang',                       'rchit.spv',                    'closesthit',    ['rt'],        'shaderRchit'                   ],
   ['rmiss',                 'path/miss.slang',                      'rmiss.spv',                    'miss',          ['rt'],        'shaderRmiss'                   ],
   ['shadowRchit',           'path/shadow_hit.slang',                'shadowRchit.spv',              'closesthit',    ['rt'],        'shaderShadowRchit'             ],