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Assorted fixes to UV unwrapping and GPU lightmapper

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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.
This commit is contained in:
jfons
2021-04-25 23:36:39 +02:00
parent eb57dcdb90
commit 6995b0429c
21 changed files with 457 additions and 481 deletions
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4
servers/rendering_server.cpp
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@@ -472,8 +472,8 @@ Error RenderingServer::_surface_set_data(Array p_arrays, uint32_t p_format, uint
const Vector2 *src = array.ptr();
for (int i = 0; i < p_vertex_array_len; i++) {
uint16_t uv[2] = { Math::make_half_float(src[i].x), Math::make_half_float(src[i].y) };
memcpy(&aw[p_offsets[ai] + i * p_attrib_stride], uv, 2 * 2);
float uv[2] = { src[i].x, src[i].y };
memcpy(&aw[p_offsets[ai] + i * p_attrib_stride], uv, 2 * 4);
}
} break;
case RS::ARRAY_CUSTOM0: