Merge remote-tracking branch 'origin/master' into blender2.8

This commit is contained in:
Ray Molenkamp
2018-10-19 09:16:26 -06:00
4 changed files with 62 additions and 68 deletions

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@@ -21,7 +21,7 @@ set(ZLIB_URI https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz)
set(ZLIB_HASH 1c9f62f0778697a09d36121ead88e08e)
set(OPENAL_VERSION 1.18.2)
set(OPENAL_URI http://kcat.strangesoft.net/openal-releases/openal-soft-${OPENAL_VERSION}.tar.bz2)
set(OPENAL_URI http://openal-soft.org/openal-releases/openal-soft-${OPENAL_VERSION}.tar.bz2)
set(OPENAL_HASH d4eeb0889812e2fdeaa1843523d76190)
set(PNG_VERSION 1.6.35)

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@@ -34,6 +34,8 @@
#include "BLI_heap.h"
#include "BLI_boxpack_2d.h"
#include "BLI_convexhull_2d.h"
#include "BLI_polyfill_2d.h"
#include "BLI_polyfill_2d_beautify.h"
#include "uvedit_parametrizer.h"
@@ -219,6 +221,8 @@ enum PHandleState {
typedef struct PHandle {
enum PHandleState state;
MemArena *arena;
MemArena *polyfill_arena;
Heap *polyfill_heap;
PChart *construction_chart;
PHash *hash_verts;
@@ -4119,6 +4123,8 @@ ParamHandle *param_construct_begin(void)
handle->construction_chart = p_chart_new(handle);
handle->state = PHANDLE_STATE_ALLOCATED;
handle->arena = BLI_memarena_new(MEM_SIZE_OPTIMAL(1 << 16), "param construct arena");
handle->polyfill_arena = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, "param polyfill arena");
handle->polyfill_heap = BLI_heap_new_ex(BLI_POLYFILL_ALLOC_NGON_RESERVE);
handle->aspx = 1.0f;
handle->aspy = 1.0f;
handle->do_aspect = false;
@@ -4162,82 +4168,71 @@ void param_delete(ParamHandle *handle)
}
BLI_memarena_free(phandle->arena);
BLI_memarena_free(phandle->polyfill_arena);
BLI_heap_free(phandle->polyfill_heap, NULL);
MEM_freeN(phandle);
}
static void p_add_ngon(ParamHandle *handle, ParamKey key, int nverts,
ParamKey *vkeys, float **co, float **uv,
ParamBool *pin, ParamBool *select, const float normal[3])
ParamBool *pin, ParamBool *select)
{
int *boundary = BLI_array_alloca(boundary, nverts);
/* Allocate memory for polyfill. */
PHandle *phandle = (PHandle *)handle;
MemArena *arena = phandle->polyfill_arena;
Heap *heap = phandle->polyfill_heap;
unsigned int nfilltri = nverts - 2;
unsigned int (*tris)[3] = BLI_memarena_alloc(arena, sizeof(*tris) * (size_t)nfilltri);
float (*projverts)[2] = BLI_memarena_alloc(arena, sizeof(*projverts) * (size_t)nverts);
/* boundary vertex indexes */
for (int i = 0; i < nverts; i++) {
boundary[i] = i;
/* Calc normal, flipped: to get a positive 2d cross product. */
float normal[3];
zero_v3(normal);
const float *co_curr, *co_prev = co[nverts-1];
for (int j = 0; j < nverts; j++) {
co_curr = co[j];
add_newell_cross_v3_v3v3(normal, co_prev, co_curr);
co_prev = co_curr;
}
if (UNLIKELY(normalize_v3(normal) == 0.0f)) {
normal[2] = 1.0f;
}
while (nverts > 2) {
float minangle = FLT_MAX;
float minshape = FLT_MAX;
int i, mini = 0;
/* find corner with smallest angle */
for (i = 0; i < nverts; i++) {
int v0 = boundary[(i + nverts - 1) % nverts];
int v1 = boundary[i];
int v2 = boundary[(i + 1) % nverts];
float angle = p_vec_angle(co[v0], co[v1], co[v2]);
float n[3];
normal_tri_v3(n, co[v0], co[v1], co[v2]);
if (normal && (dot_v3v3(n, normal) < 0.0f))
angle = (float)(2.0 * M_PI) - angle;
float other_angle = p_vec_angle(co[v2], co[v0], co[v1]);
float shape = fabsf((float)M_PI - angle - 2.0f * other_angle);
if (fabsf(angle - minangle) < 0.01f) {
/* for nearly equal angles, try to get well shaped triangles */
if (shape < minshape) {
minangle = angle;
minshape = shape;
mini = i;
}
}
else if (angle < minangle) {
minangle = angle;
minshape = shape;
mini = i;
}
}
/* add triangle in corner */
{
int v0 = boundary[(mini + nverts - 1) % nverts];
int v1 = boundary[mini];
int v2 = boundary[(mini + 1) % nverts];
ParamKey tri_vkeys[3] = {vkeys[v0], vkeys[v1], vkeys[v2]};
float *tri_co[3] = {co[v0], co[v1], co[v2]};
float *tri_uv[3] = {uv[v0], uv[v1], uv[v2]};
ParamBool tri_pin[3] = {pin[v0], pin[v1], pin[v2]};
ParamBool tri_select[3] = {select[v0], select[v1], select[v2]};
param_face_add(handle, key, 3, tri_vkeys, tri_co, tri_uv, tri_pin, tri_select, NULL);
}
/* remove corner */
if (mini + 1 < nverts)
memmove(boundary + mini, boundary + mini + 1, (nverts - mini - 1) * sizeof(int));
nverts--;
/* Project verts to 2d. */
float axis_mat[3][3];
axis_dominant_v3_to_m3_negate(axis_mat, normal);
for (int j = 0; j < nverts; j++) {
mul_v2_m3v3(projverts[j], axis_mat, co[j]);
}
BLI_polyfill_calc_arena(projverts, nverts, 1, tris, arena);
/* Beautify helps avoid thin triangles that give numerical problems. */
BLI_polyfill_beautify(projverts, nverts, tris, arena, heap);
/* Add triangles. */
for (int j = 0; j < nfilltri; j++) {
unsigned int *tri = tris[j];
unsigned int v0 = tri[0];
unsigned int v1 = tri[1];
unsigned int v2 = tri[2];
ParamKey tri_vkeys[3] = {vkeys[v0], vkeys[v1], vkeys[v2]};
float *tri_co[3] = {co[v0], co[v1], co[v2]};
float *tri_uv[3] = {uv[v0], uv[v1], uv[v2]};
ParamBool tri_pin[3] = {pin[v0], pin[v1], pin[v2]};
ParamBool tri_select[3] = {select[v0], select[v1], select[v2]};
param_face_add(handle, key, 3, tri_vkeys, tri_co, tri_uv, tri_pin, tri_select);
}
BLI_memarena_clear(arena);
}
void param_face_add(ParamHandle *handle, ParamKey key, int nverts,
ParamKey *vkeys, float *co[4], float *uv[4],
ParamBool *pin, ParamBool *select, float normal[3])
ParamBool *pin, ParamBool *select)
{
PHandle *phandle = (PHandle *)handle;
@@ -4247,7 +4242,7 @@ void param_face_add(ParamHandle *handle, ParamKey key, int nverts,
if (nverts > 4) {
/* ngon */
p_add_ngon(handle, key, nverts, vkeys, co, uv, pin, select, normal);
p_add_ngon(handle, key, nverts, vkeys, co, uv, pin, select);
}
else if (nverts == 4) {
/* quad */

View File

@@ -62,8 +62,7 @@ void param_face_add(ParamHandle *handle,
float *co[4],
float *uv[4],
ParamBool *pin,
ParamBool *select,
float face_normal[3]);
ParamBool *select);
void param_edge_set_seam(ParamHandle *handle,
ParamKey *vkeys);

View File

@@ -262,7 +262,7 @@ static void construct_param_handle_face_add(ParamHandle *handle, Scene *scene,
select[i] = uvedit_uv_select_test(scene, l, cd_loop_uv_offset);
}
param_face_add(handle, key, i, vkeys, co, uv, pin, select, efa->no);
param_face_add(handle, key, i, vkeys, co, uv, pin, select);
}
/* See: construct_param_handle_multi to handle multiple objects at once. */
@@ -571,7 +571,7 @@ static ParamHandle *construct_param_handle_subsurfed(Scene *scene, Object *ob, B
texface_from_original_index(origFace, origVertIndices[mloop[2].v], &uv[2], &pin[2], &select[2], scene, cd_loop_uv_offset);
texface_from_original_index(origFace, origVertIndices[mloop[3].v], &uv[3], &pin[3], &select[3], scene, cd_loop_uv_offset);
param_face_add(handle, key, 4, vkeys, co, uv, pin, select, NULL);
param_face_add(handle, key, 4, vkeys, co, uv, pin, select);
}
/* these are calculated from original mesh too */