141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/* SPDX-FileCopyrightText: 2010 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup render
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*/
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#pragma once
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#include "BLI_string_ref.hh"
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#include "DNA_scene_types.h"
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#include "RE_pipeline.h"
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struct Depsgraph;
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struct ImBuf;
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struct Mesh;
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struct Render;
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struct BakeImage {
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struct Image *image;
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int tile_number;
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float uv_offset[2];
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int width;
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int height;
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size_t offset;
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/* For associating render result layer with image. */
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char render_layer_name[RE_MAXNAME];
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};
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struct BakeTargets {
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/* All images of the object. */
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BakeImage *images;
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int images_num;
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/* Lookup table from Material number to BakeImage. */
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struct Image **material_to_image;
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int materials_num;
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/* Pixel buffer to bake to. */
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float *result;
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int pixels_num;
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int channels_num;
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/* Baking to non-color data image. */
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bool is_noncolor;
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};
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struct BakePixel {
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int primitive_id, object_id;
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int seed;
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float uv[2];
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float du_dx, du_dy;
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float dv_dx, dv_dy;
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};
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struct BakeHighPolyData {
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struct Object *ob;
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struct Object *ob_eval;
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struct Mesh *mesh;
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bool is_flip_object;
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float obmat[4][4];
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float imat[4][4];
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};
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/* `external_engine.cc` */
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bool RE_bake_has_engine(const struct Render *re);
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bool RE_bake_engine(struct Render *re,
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struct Depsgraph *depsgraph,
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struct Object *object,
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int object_id,
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const BakePixel pixel_array[],
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const BakeTargets *targets,
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eScenePassType pass_type,
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int pass_filter,
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float result[]);
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/* `bake.cc` */
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int RE_pass_depth(eScenePassType pass_type);
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bool RE_bake_pixels_populate_from_objects(struct Mesh *me_low,
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BakePixel pixel_array_from[],
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BakePixel pixel_array_to[],
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BakeHighPolyData highpoly[],
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int highpoly_num,
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size_t pixels_num,
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bool is_custom_cage,
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float cage_extrusion,
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float max_ray_distance,
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const float mat_low[4][4],
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const float mat_cage[4][4],
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struct Mesh *me_cage);
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void RE_bake_pixels_populate(struct Mesh *mesh,
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struct BakePixel *pixel_array,
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size_t pixels_num,
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const struct BakeTargets *targets,
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blender::StringRef uv_layer);
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void RE_bake_mask_fill(const BakePixel pixel_array[], size_t pixels_num, char *mask);
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void RE_bake_margin(struct ImBuf *ibuf,
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char *mask,
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int margin,
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char margin_type,
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const Mesh *mesh,
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blender::StringRef uv_layer,
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const float uv_offset[2]);
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void RE_bake_normal_world_to_object(const BakePixel pixel_array[],
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size_t pixels_num,
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int depth,
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float result[],
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struct Object *ob,
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const eBakeNormalSwizzle normal_swizzle[3]);
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/**
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* This function converts an object space normal map
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* to a tangent space normal map for a given low poly mesh.
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*/
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void RE_bake_normal_world_to_tangent(const BakePixel pixel_array[],
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size_t pixels_num,
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int depth,
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float result[],
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struct Mesh *mesh,
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const eBakeNormalSwizzle normal_swizzle[3],
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const float mat[4][4]);
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void RE_bake_normal_world_to_world(const BakePixel pixel_array[],
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size_t pixels_num,
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int depth,
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float result[],
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const eBakeNormalSwizzle normal_swizzle[3]);
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void RE_bake_ibuf_clear(struct Image *image, bool is_tangent);
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