diff options
Diffstat (limited to 'source/blender/render/intern/source/bake_api.c')
| -rw-r--r-- | source/blender/render/intern/source/bake_api.c | 70 |
1 files changed, 31 insertions, 39 deletions
diff --git a/source/blender/render/intern/source/bake_api.c b/source/blender/render/intern/source/bake_api.c index 505af3c2fa8..bd3e01c83a8 100644 --- a/source/blender/render/intern/source/bake_api.c +++ b/source/blender/render/intern/source/bake_api.c @@ -84,19 +84,11 @@ /* local include */ #include "render_types.h" -#include "shading.h" #include "zbuf.h" /* Remove when Cycles moves from MFace to MLoopTri */ #define USE_MFACE_WORKAROUND -/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ -/* defined in pipeline.c, is hardcopy of active dynamic allocated Render */ -/* only to be used here in this file, it's for speed */ -extern struct Render R; -/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - - typedef struct BakeDataZSpan { BakePixel *pixel_array; int primitive_id; @@ -263,6 +255,36 @@ static void calc_point_from_barycentric_extrusion( copy_v3_v3(r_dir, dir); } +static void barycentric_differentials_from_position( + const float co[3], const float v1[3], const float v2[3], const float v3[3], + const float dxco[3], const float dyco[3], const float facenor[3], const bool differentials, + float *u, float *v, float *dx_u, float *dx_v, float *dy_u, float *dy_v) +{ + /* find most stable axis to project */ + int axis1, axis2; + axis_dominant_v3(&axis1, &axis2, facenor); + + /* compute u,v and derivatives */ + float t00 = v3[axis1] - v1[axis1]; + float t01 = v3[axis2] - v1[axis2]; + float t10 = v3[axis1] - v2[axis1]; + float t11 = v3[axis2] - v2[axis2]; + + float detsh = (t00 * t11 - t10 * t01); + detsh = (detsh != 0.0f) ? 1.0f / detsh : 0.0f; + t00 *= detsh; t01 *= detsh; + t10 *= detsh; t11 *= detsh; + + *u = (v3[axis1] - co[axis1]) * t11 - (v3[axis2] - co[axis2]) * t10; + *v = (v3[axis2] - co[axis2]) * t00 - (v3[axis1] - co[axis1]) * t01; + if (differentials) { + *dx_u = dxco[axis1] * t11 - dxco[axis2] * t10; + *dx_v = dxco[axis2] * t00 - dxco[axis1] * t01; + *dy_u = dyco[axis1] * t11 - dyco[axis2] * t10; + *dy_v = dyco[axis2] * t00 - dyco[axis1] * t01; + } +} + /** * This function populates pixel_array and returns TRUE if things are correct */ @@ -665,7 +687,7 @@ void RE_bake_pixels_populate( } for (i = 0; i < bake_images->size; i++) { - zbuf_alloc_span(&bd.zspan[i], bake_images->data[i].width, bake_images->data[i].height, R.clipcrop); + zbuf_alloc_span(&bd.zspan[i], bake_images->data[i].width, bake_images->data[i].height); } looptri = MEM_mallocN(sizeof(*looptri) * tottri, __func__); @@ -958,36 +980,6 @@ void RE_bake_ibuf_clear(Image *image, const bool is_tangent) /* ************************************************************* */ -/** - * not the real UV, but the internal per-face UV instead - * I'm using it to test if everything is correct */ -static bool bake_uv(const BakePixel pixel_array[], const size_t num_pixels, const int depth, float result[]) -{ - size_t i; - - for (i=0; i < num_pixels; i++) { - size_t offset = i * depth; - copy_v2_v2(&result[offset], pixel_array[i].uv); - } - - return true; -} - -bool RE_bake_internal( - Render *UNUSED(re), Object *UNUSED(object), const BakePixel pixel_array[], - const size_t num_pixels, const int depth, const eScenePassType pass_type, float result[]) -{ - switch (pass_type) { - case SCE_PASS_UV: - { - return bake_uv(pixel_array, num_pixels, depth, result); - } - default: - break; - } - return false; -} - int RE_pass_depth(const eScenePassType pass_type) { /* IMB_buffer_byte_from_float assumes 4 channels |