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72 lines
2.5 KiB
GLSL
72 lines
2.5 KiB
GLSL
/* NOTE: When included, this file will contain values for the automatically defined settings specified below. */
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/* TODO: Add the ability to control the tendency to do stuff in the vertex vs. fragment shader.
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* Currently this flag is ignored and always set to prefer fragment, but this tradeoff is not correct on all
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* machines in all cases (mine, for instance). */
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#define VOXYGEN_COMPUTATION_PREERENCE_FRAGMENT 0u
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#define VOXYGEN_COMPUTATION_PREERENCE_VERTEX 1u
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#define FLUID_MODE_CHEAP 0u
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#define FLUID_MODE_SHINY 1u
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#define CLOUD_MODE_NONE 0u
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#define CLOUD_MODE_REGULAR 1u
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#define LIGHTING_ALGORITHM_LAMBERTIAN 0u
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#define LIGHTING_ALGORITHM_BLINN_PHONG 1u
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#define LIGHTING_ALGORITHM_ASHIKHMIN 2u
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#define SHADOW_MODE_NONE 0u
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#define SHADOW_MODE_CHEAP 1u
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#define SHADOW_MODE_MAP 2u
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/* Unlike the other flags (for now anyway), these are bitmask values */
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#define LIGHTING_TYPE_REFLECTION 0x01u
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#define LIGHTING_TYPE_TRANSMISSION 0x02u
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/* Currently ignored, but ideally shoud be helpful for determining light transport properties. */
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#define LIGHTING_REFLECTION_KIND_DIFFUSE 0u
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#define LIGHTING_REFLECTION_KIND_GLOSSY 1u
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#define LIGHTING_REFLECTION_KIND_SPECULAR 2u
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#define LIGHTING_TRANSPORT_MODE_IMPORTANCE 0u
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/* Radiance mode is currently used as a proxy for "attenuation and medium materials
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* matter," but we may make it more granular. */
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#define LIGHTING_TRANSPORT_MODE_RADIANCE 1u
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#define LIGHTING_DISTRIBUTION_SCHEME_MICROFACET 0u
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#define LIGHTING_DISTRIBUTION_SCHEME_VOXEL 1u
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#define LIGHTING_DISTRIBUTION_BECKMANN 0u
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#define LIGHTING_DISTRIBUTION_TROWBRIDGE 1u
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/* Constants expected to be defined automatically by configuration: */
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/*
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#define VOXYGEN_COMPUTATION_PREERENCE <preference>
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#define FLUID_MODE <mode>
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#define CLOUD_MODE <mode>
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#define LIGHTING_ALGORITHM <algorithm>
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#define SHADOW_MODE <mode>
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*/
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/* Constants expected to be defined by any shader that needs to perform lighting calculations
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* (but whose values may take automatically defined constants into account): */
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/*
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// At least one of LIGHTING_TYPE_REFLECTION or LIGHTING_TYPE_TRANSMISSION should be set.
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#define LIGHTING_TYPE <type bitmask>
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#define LIGHTING_REFLECTION_KIND <kind>
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#define LIGHTING_TRANSPORT_MODE <mode>
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#define LIGHTING_DISTRIBUTION_SCHEME <scheme>
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#define LIGHTING_DISTRIBUTION <distribution>
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*/
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/* Constants that *may* be defined by any shader.
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* (and whose values may take automatically defined constants into account): */
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/*
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// When sets, shadow maps are used to cast shadows.
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#define HAS_SHADOW_MAPS
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*/
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