virtualx-engine/modules/lightmapper_rd/lm_common_inc.glsl
jfons 6995b0429c Assorted fixes to UV unwrapping and GPU lightmapper
Various fixes to UV2 unwrapping and the GPU lightmapper. Listed here for
context in case of git blame/bisect:

* Fix UV2 unwrapping on import, also cleaned up the unwrap cache code.
* Fix saving of RGBA images in EXR format.
* Fixes to the GPU lightmapper:
	- Added padding between atlas elements, avoids bleeding.
	- Remove old SDF generation code.
	- Fix baked attenuation for Omni/Spot lights.
	- Fix baking of material properties onto UV2 (wireframe was
	  wrongly used before).
	- Disable statically baked lights for objects that have a
	  lightmap texture to avoid applying the same light twice.
	- Fix lightmap pairing in RendererSceneCull.
	- Fix UV2 array generated from `RenderingServer::mesh_surface_get_arrays()`.
	- Port autoexposure fix for OIDN from 3.x.
	- Save debug textures as EXR when using floating point format.
2021-05-03 18:10:34 +02:00

91 lines
1.5 KiB
GLSL

/* SET 0, static data that does not change between any call */
struct Vertex {
vec3 position;
float normal_z;
vec2 uv;
vec2 normal_xy;
};
layout(set = 0, binding = 1, std430) restrict readonly buffer Vertices {
Vertex data[];
}
vertices;
struct Triangle {
uvec3 indices;
uint slice;
};
layout(set = 0, binding = 2, std430) restrict readonly buffer Triangles {
Triangle data[];
}
triangles;
struct Box {
vec3 min_bounds;
uint pad0;
vec3 max_bounds;
uint pad1;
};
layout(set = 0, binding = 3, std430) restrict readonly buffer Boxes {
Box data[];
}
boxes;
layout(set = 0, binding = 4, std430) restrict readonly buffer GridIndices {
uint data[];
}
grid_indices;
#define LIGHT_TYPE_DIRECTIONAL 0
#define LIGHT_TYPE_OMNI 1
#define LIGHT_TYPE_SPOT 2
struct Light {
vec3 position;
uint type;
vec3 direction;
float energy;
vec3 color;
float size;
float range;
float attenuation;
float cos_spot_angle;
float inv_spot_attenuation;
bool static_bake;
uint pad[3];
};
layout(set = 0, binding = 5, std430) restrict readonly buffer Lights {
Light data[];
}
lights;
struct Seam {
uvec2 a;
uvec2 b;
};
layout(set = 0, binding = 6, std430) restrict readonly buffer Seams {
Seam data[];
}
seams;
layout(set = 0, binding = 7, std430) restrict readonly buffer Probes {
vec4 data[];
}
probe_positions;
layout(set = 0, binding = 8) uniform utexture3D grid;
layout(set = 0, binding = 9) uniform texture2DArray albedo_tex;
layout(set = 0, binding = 10) uniform texture2DArray emission_tex;
layout(set = 0, binding = 11) uniform sampler linear_sampler;