#define M_PI 3.14159265359
#define ROUGHNESS_MAX_LOD 5
#define MAX_VOXEL_GI_INSTANCES 8
#define MAX_VIEWS 2
#ifndef MOLTENVK_USED
#if defined(has_GL_KHR_shader_subgroup_ballot) && defined(has_GL_KHR_shader_subgroup_arithmetic)
#extension GL_KHR_shader_subgroup_ballot : enable
#extension GL_KHR_shader_subgroup_arithmetic : enable
#define USE_SUBGROUPS
#endif
#endif // MOLTENVK_USED
#if defined(USE_MULTIVIEW) && defined(has_VK_KHR_multiview)
#extension GL_EXT_multiview : enable
#endif
#include "../cluster_data_inc.glsl"
#include "../decal_data_inc.glsl"
#include "../scene_data_inc.glsl"
#if !defined(MODE_RENDER_DEPTH) || defined(MODE_RENDER_MATERIAL) || defined(MODE_RENDER_SDF) || defined(MODE_RENDER_NORMAL_ROUGHNESS) || defined(MODE_RENDER_VOXEL_GI) || defined(TANGENT_USED) || defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED)
#ifndef NORMAL_USED
#define NORMAL_USED
#endif
#endif
#if !defined(TANGENT_USED) && (defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED))
#define TANGENT_USED
#endif
layout(push_constant, std430) uniform DrawCall {
uint instance_index;
uint uv_offset;
uint multimesh_motion_vectors_current_offset;
uint multimesh_motion_vectors_previous_offset;
}
draw_call;
#define SDFGI_MAX_CASCADES 8
/* Set 0: Base Pass (never changes) */
#include "../light_data_inc.glsl"
layout(set = 0, binding = 2) uniform sampler shadow_sampler;
#define INSTANCE_FLAGS_DYNAMIC (1 << 3)
#define INSTANCE_FLAGS_NON_UNIFORM_SCALE (1 << 4)
#define INSTANCE_FLAGS_USE_GI_BUFFERS (1 << 5)
#define INSTANCE_FLAGS_USE_SDFGI (1 << 6)
#define INSTANCE_FLAGS_USE_LIGHTMAP_CAPTURE (1 << 7)
#define INSTANCE_FLAGS_USE_LIGHTMAP (1 << 8)
#define INSTANCE_FLAGS_USE_SH_LIGHTMAP (1 << 9)
#define INSTANCE_FLAGS_USE_VOXEL_GI (1 << 10)
#define INSTANCE_FLAGS_PARTICLES (1 << 11)
#define INSTANCE_FLAGS_MULTIMESH (1 << 12)
#define INSTANCE_FLAGS_MULTIMESH_FORMAT_2D (1 << 13)
#define INSTANCE_FLAGS_MULTIMESH_HAS_COLOR (1 << 14)
#define INSTANCE_FLAGS_MULTIMESH_HAS_CUSTOM_DATA (1 << 15)
#define INSTANCE_FLAGS_PARTICLE_TRAIL_SHIFT 16
#define INSTANCE_FLAGS_FADE_SHIFT 24
//3 bits of stride
#define INSTANCE_FLAGS_PARTICLE_TRAIL_MASK 0xFF
#define SCREEN_SPACE_EFFECTS_FLAGS_USE_SSAO 1
#define SCREEN_SPACE_EFFECTS_FLAGS_USE_SSIL 2
layout(set = 0, binding = 3, std430) restrict readonly buffer OmniLights {
LightData data[];
}
omni_lights;
layout(set = 0, binding = 4, std430) restrict readonly buffer SpotLights {
LightData data[];
}
spot_lights;
layout(set = 0, binding = 5, std430) restrict readonly buffer ReflectionProbeData {
ReflectionData data[];
}
reflections;
layout(set = 0, binding = 6, std140) uniform DirectionalLights {
DirectionalLightData data[MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS];
}
directional_lights;
#define LIGHTMAP_FLAG_USE_DIRECTION 1
#define LIGHTMAP_FLAG_USE_SPECULAR_DIRECTION 2
struct Lightmap {
mat3 normal_xform;
vec2 light_texture_size;
float exposure_normalization;
float pad;
};
layout(set = 0, binding = 7, std140) restrict readonly buffer Lightmaps {
Lightmap data[];
}
lightmaps;
struct LightmapCapture {
vec4 sh[9];
};
layout(set = 0, binding = 8, std140) restrict readonly buffer LightmapCaptures {
LightmapCapture data[];
}
lightmap_captures;
layout(set = 0, binding = 9) uniform texture2D decal_atlas;
layout(set = 0, binding = 10) uniform texture2D decal_atlas_srgb;
layout(set = 0, binding = 11, std430) restrict readonly buffer Decals {
DecalData data[];
}
decals;
layout(set = 0, binding = 12, std430) restrict readonly buffer GlobalShaderUniformData {
vec4 data[];
}
global_shader_uniforms;
struct SDFVoxelGICascadeData {
vec3 position;
float to_probe;
ivec3 probe_world_offset;
float to_cell; // 1/bounds * grid_size
vec3 pad;
float exposure_normalization;
};
layout(set = 0, binding = 13, std140) uniform SDFGI {
vec3 grid_size;
uint max_cascades;
bool use_occlusion;
int probe_axis_size;
float probe_to_uvw;
float normal_bias;
vec3 lightprobe_tex_pixel_size;
float energy;
vec3 lightprobe_uv_offset;
float y_mult;
vec3 occlusion_clamp;
uint pad3;
vec3 occlusion_renormalize;
uint pad4;
vec3 cascade_probe_size;
uint pad5;
SDFVoxelGICascadeData cascades[SDFGI_MAX_CASCADES];
}
sdfgi;
layout(set = 0, binding = 14) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP;
layout(set = 0, binding = 15) uniform texture2D best_fit_normal_texture;
/* Set 1: Render Pass (changes per render pass) */
layout(set = 1, binding = 0, std140) uniform SceneDataBlock {
SceneData data;
SceneData prev_data;
}
scene_data_block;
struct ImplementationData {
uint cluster_shift;
uint cluster_width;
uint cluster_type_size;
uint max_cluster_element_count_div_32;
uint ss_effects_flags;
float ssao_light_affect;
float ssao_ao_affect;
uint pad1;
mat4 sdf_to_bounds;
ivec3 sdf_offset;
uint pad2;
ivec3 sdf_size;
bool gi_upscale_for_msaa;
bool volumetric_fog_enabled;
float volumetric_fog_inv_length;
float volumetric_fog_detail_spread;
uint volumetric_fog_pad;
};
layout(set = 1, binding = 1, std140) uniform ImplementationDataBlock {
ImplementationData data;
}
implementation_data_block;
#define implementation_data implementation_data_block.data
struct InstanceData {
mat4 transform;
mat4 prev_transform;
uint flags;
uint instance_uniforms_ofs; //base offset in global buffer for instance variables
uint gi_offset; //GI information when using lightmapping (VCT or lightmap index)
uint layer_mask;
vec4 lightmap_uv_scale;
vec4 compressed_aabb_position_pad; // Only .xyz is used. .w is padding.
vec4 compressed_aabb_size_pad; // Only .xyz is used. .w is padding.
vec4 uv_scale;
};
layout(set = 1, binding = 2, std430) buffer restrict readonly InstanceDataBuffer {
InstanceData data[];
}
instances;
#ifdef USE_RADIANCE_CUBEMAP_ARRAY
layout(set = 1, binding = 3) uniform textureCubeArray radiance_cubemap;
#else
layout(set = 1, binding = 3) uniform textureCube radiance_cubemap;
#endif
layout(set = 1, binding = 4) uniform textureCubeArray reflection_atlas;
layout(set = 1, binding = 5) uniform texture2D shadow_atlas;
layout(set = 1, binding = 6) uniform texture2D directional_shadow_atlas;
layout(set = 1, binding = 7) uniform texture2DArray lightmap_textures[MAX_LIGHTMAP_TEXTURES];
layout(set = 1, binding = 8) uniform texture3D voxel_gi_textures[MAX_VOXEL_GI_INSTANCES];
layout(set = 1, binding = 9, std430) buffer restrict readonly ClusterBuffer {
uint data[];
}
cluster_buffer;
layout(set = 1, binding = 10) uniform sampler decal_sampler;
layout(set = 1, binding = 11) uniform sampler light_projector_sampler;
layout(set = 1, binding = 12 + 0) uniform sampler SAMPLER_NEAREST_CLAMP;
layout(set = 1, binding = 12 + 1) uniform sampler SAMPLER_LINEAR_CLAMP;
layout(set = 1, binding = 12 + 2) uniform sampler SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP;
layout(set = 1, binding = 12 + 3) uniform sampler SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP;
layout(set = 1, binding = 12 + 4) uniform sampler SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_CLAMP;
layout(set = 1, binding = 12 + 5) uniform sampler SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_CLAMP;
layout(set = 1, binding = 12 + 6) uniform sampler SAMPLER_NEAREST_REPEAT;
layout(set = 1, binding = 12 + 7) uniform sampler SAMPLER_LINEAR_REPEAT;
layout(set = 1, binding = 12 + 8) uniform sampler SAMPLER_NEAREST_WITH_MIPMAPS_REPEAT;
layout(set = 1, binding = 12 + 9) uniform sampler SAMPLER_LINEAR_WITH_MIPMAPS_REPEAT;
layout(set = 1, binding = 12 + 10) uniform sampler SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT;
layout(set = 1, binding = 12 + 11) uniform sampler SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT;
#ifdef MODE_RENDER_SDF
layout(r16ui, set = 1, binding = 24) uniform restrict writeonly uimage3D albedo_volume_grid;
layout(r32ui, set = 1, binding = 25) uniform restrict writeonly uimage3D emission_grid;
layout(r32ui, set = 1, binding = 26) uniform restrict writeonly uimage3D emission_aniso_grid;
layout(r32ui, set = 1, binding = 27) uniform restrict uimage3D geom_facing_grid;
//still need to be present for shaders that use it, so remap them to something
#define depth_buffer shadow_atlas
#define color_buffer shadow_atlas
#define normal_roughness_buffer shadow_atlas
#define multiviewSampler sampler2D
#else
#ifdef USE_MULTIVIEW
layout(set = 1, binding = 24) uniform texture2DArray depth_buffer;
layout(set = 1, binding = 25) uniform texture2DArray color_buffer;
layout(set = 1, binding = 26) uniform texture2DArray normal_roughness_buffer;
layout(set = 1, binding = 27) uniform texture2DArray ao_buffer;
layout(set = 1, binding = 28) uniform texture2DArray ambient_buffer;
layout(set = 1, binding = 29) uniform texture2DArray reflection_buffer;
#define multiviewSampler sampler2DArray
#else // USE_MULTIVIEW
layout(set = 1, binding = 24) uniform texture2D depth_buffer;
layout(set = 1, binding = 25) uniform texture2D color_buffer;
layout(set = 1, binding = 26) uniform texture2D normal_roughness_buffer;
layout(set = 1, binding = 27) uniform texture2D ao_buffer;
layout(set = 1, binding = 28) uniform texture2D ambient_buffer;
layout(set = 1, binding = 29) uniform texture2D reflection_buffer;
#define multiviewSampler sampler2D
#endif
layout(set = 1, binding = 30) uniform texture2DArray sdfgi_lightprobe_texture;
layout(set = 1, binding = 31) uniform texture3D sdfgi_occlusion_cascades;
struct VoxelGIData {
mat4 xform; // 64 - 64
vec3 bounds; // 12 - 76
float dynamic_range; // 4 - 80
float bias; // 4 - 84
float normal_bias; // 4 - 88
bool blend_ambient; // 4 - 92
uint mipmaps; // 4 - 96
vec3 pad; // 12 - 108
float exposure_normalization; // 4 - 112
};
layout(set = 1, binding = 32, std140) uniform VoxelGIs {
VoxelGIData data[MAX_VOXEL_GI_INSTANCES];
}
voxel_gi_instances;
layout(set = 1, binding = 33) uniform texture3D volumetric_fog_texture;
#ifdef USE_MULTIVIEW
layout(set = 1, binding = 34) uniform texture2DArray ssil_buffer;
#else
layout(set = 1, binding = 34) uniform texture2D ssil_buffer;
#endif // USE_MULTIVIEW
#endif
vec4 normal_roughness_compatibility(vec4 p_normal_roughness) {
float roughness = p_normal_roughness.w;
if (roughness > 0.5) {
roughness = 1.0 - roughness;
}
roughness /= (127.0 / 255.0);
return vec4(normalize(p_normal_roughness.xyz * 2.0 - 1.0) * 0.5 + 0.5, roughness);
}
/* Set 2 Skeleton & Instancing (can change per item) */
layout(set = 2, binding = 0, std430) restrict readonly buffer Transforms {
vec4 data[];
}
transforms;
/* Set 3 User Material */
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