60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
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#version 440 core
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// #extension ARB_texture_storage : enable
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#include <constants.glsl>
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#define LIGHTING_TYPE LIGHTING_TYPE_REFLECTION
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#define LIGHTING_REFLECTION_KIND LIGHTING_REFLECTION_KIND_GLOSSY
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#if (FLUID_MODE == FLUID_MODE_LOW)
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#define LIGHTING_TRANSPORT_MODE LIGHTING_TRANSPORT_MODE_IMPORTANCE
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#elif (FLUID_MODE >= FLUID_MODE_MEDIUM)
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#define LIGHTING_TRANSPORT_MODE LIGHTING_TRANSPORT_MODE_RADIANCE
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#endif
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#define LIGHTING_DISTRIBUTION_SCHEME LIGHTING_DISTRIBUTION_SCHEME_MICROFACET
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#define LIGHTING_DISTRIBUTION LIGHTING_DISTRIBUTION_BECKMANN
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// Currently, we only need globals for focus_off.
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#include <globals.glsl>
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/* Accurate packed shadow maps for many lights at once!
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*
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* Ideally, we would just write to a bitmask...
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*
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* */
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layout(location = 0) in uint v_pos_norm;
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// layout(location = 1) in uint v_atlas_pos;
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// in uint v_col_light;
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// in vec4 v_pos;
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// Light projection matrices.
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layout (std140, set = 1, binding = 0)
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uniform u_locals {
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mat4 model_mat;
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ivec4 atlas_offs;
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float load_time;
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};
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// out vec4 shadowMapCoord;
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const float EXTRA_NEG_Z = 32768.0;
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layout( push_constant ) uniform PointLightMatrix {
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mat4 lightShadowMatrix;
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};
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void main() {
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vec3 f_chunk_pos = vec3(v_pos_norm & 0x3Fu, (v_pos_norm >> 6) & 0x3Fu, float((v_pos_norm >> 12) & 0xFFFFu) - EXTRA_NEG_Z);
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vec3 f_pos = (model_mat * vec4(f_chunk_pos, 1.0)).xyz - focus_off.xyz;
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// f_pos = v_pos;
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// gl_Position = /*all_mat * */vec4(f_pos/*, 1.0*/, /*float(((f_pos_norm >> 29) & 0x7u) ^ 0x1)*//*uintBitsToFloat(v_pos_norm)*/1.0);
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// shadowMapCoord = lights[gl_InstanceID].light_pos * gl_Vertex;
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// vec4(v_pos, 0.0, 1.0);
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gl_Position = lightShadowMatrix * vec4(f_pos, 1.0);
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}
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