archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Packages Activity
This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
1079742db92576d79ec89a28d95336aff847a82a
blender-archive/source/blender/draw/intern/draw_cache.c

3754 lines
108 KiB
C
Raw Blame History

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup draw
*/
#include "DNA_scene_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meta_types.h"
#include "DNA_curve_types.h"
#include "DNA_object_types.h"
#include "DNA_particle_types.h"
#include "DNA_modifier_types.h"
#include "DNA_lattice_types.h"
#include "UI_resources.h"
#include "BLI_utildefines.h"
#include "BLI_math.h"
#include "BKE_object.h"
#include "BKE_paint.h"
#include "GPU_batch.h"
#include "GPU_batch_utils.h"
#include "MEM_guardedalloc.h"
#include "draw_cache.h"
#include "draw_cache_impl.h"
#include "draw_manager.h"
/* Batch's only (free'd as an array) */
static struct DRWShapeCache {
GPUBatch *drw_single_vertice;
GPUBatch *drw_cursor;
GPUBatch *drw_cursor_only_circle;
GPUBatch *drw_fullscreen_quad;
GPUBatch *drw_fullscreen_quad_texcoord;
GPUBatch *drw_quad;
GPUBatch *drw_grid;
GPUBatch *drw_sphere;
GPUBatch *drw_screenspace_circle;
GPUBatch *drw_plain_axes;
GPUBatch *drw_single_arrow;
GPUBatch *drw_cube;
GPUBatch *drw_circle;
GPUBatch *drw_square;
GPUBatch *drw_line;
GPUBatch *drw_line_endpoints;
GPUBatch *drw_empty_cube;
GPUBatch *drw_empty_sphere;
GPUBatch *drw_empty_cylinder;
GPUBatch *drw_empty_capsule_body;
GPUBatch *drw_empty_capsule_cap;
GPUBatch *drw_empty_cone;
GPUBatch *drw_arrows;
GPUBatch *drw_axis_names;
GPUBatch *drw_image_plane;
GPUBatch *drw_image_plane_wire;
GPUBatch *drw_field_wind;
GPUBatch *drw_field_force;
GPUBatch *drw_field_vortex;
GPUBatch *drw_field_tube_limit;
GPUBatch *drw_field_cone_limit;
GPUBatch *drw_light;
GPUBatch *drw_light_shadows;
GPUBatch *drw_light_sunrays;
GPUBatch *drw_light_area_square;
GPUBatch *drw_light_area_disk;
GPUBatch *drw_light_hemi;
GPUBatch *drw_light_spot;
GPUBatch *drw_light_spot_volume;
GPUBatch *drw_light_spot_square;
GPUBatch *drw_light_spot_square_volume;
GPUBatch *drw_speaker;
GPUBatch *drw_lightprobe_cube;
GPUBatch *drw_lightprobe_planar;
GPUBatch *drw_lightprobe_grid;
GPUBatch *drw_bone_octahedral;
GPUBatch *drw_bone_octahedral_wire;
GPUBatch *drw_bone_box;
GPUBatch *drw_bone_box_wire;
GPUBatch *drw_bone_wire_wire;
GPUBatch *drw_bone_envelope;
GPUBatch *drw_bone_envelope_outline;
GPUBatch *drw_bone_point;
GPUBatch *drw_bone_point_wire;
GPUBatch *drw_bone_stick;
GPUBatch *drw_bone_arrows;
GPUBatch *drw_bone_dof_sphere;
GPUBatch *drw_bone_dof_lines;
GPUBatch *drw_camera;
GPUBatch *drw_camera_frame;
GPUBatch *drw_camera_tria;
GPUBatch *drw_camera_focus;
GPUBatch *drw_particle_cross;
GPUBatch *drw_particle_circle;
GPUBatch *drw_particle_axis;
GPUBatch *drw_gpencil_axes;
} SHC = {NULL};
void DRW_shape_cache_free(void)
{
uint i = sizeof(SHC) / sizeof(GPUBatch *);
GPUBatch **batch = (GPUBatch **)&SHC;
while (i--) {
GPU_BATCH_DISCARD_SAFE(*batch);
batch++;
}
}
void DRW_shape_cache_reset(void)
{
uint i = sizeof(SHC) / sizeof(GPUBatch *);
GPUBatch **batch = (GPUBatch **)&SHC;
while (i--) {
if (*batch) {
GPU_batch_vao_cache_clear(*batch);
}
batch++;
}
}
/* -------------------------------------------------------------------- */
/** \name Helper functions
* \{ */
static void UNUSED_FUNCTION(add_fancy_edge)(
GPUVertBuf *vbo, uint pos_id, uint n1_id, uint n2_id,
uint *v_idx, const float co1[3], const float co2[3],
const float n1[3], const float n2[3])
{
GPU_vertbuf_attr_set(vbo, n1_id, *v_idx, n1);
GPU_vertbuf_attr_set(vbo, n2_id, *v_idx, n2);
GPU_vertbuf_attr_set(vbo, pos_id, (*v_idx)++, co1);
GPU_vertbuf_attr_set(vbo, n1_id, *v_idx, n1);
GPU_vertbuf_attr_set(vbo, n2_id, *v_idx, n2);
GPU_vertbuf_attr_set(vbo, pos_id, (*v_idx)++, co2);
}
#if 0 /* UNUSED */
static void add_lat_lon_vert(
GPUVertBuf *vbo, uint pos_id, uint nor_id,
uint *v_idx, const float rad, const float lat, const float lon)
{
float pos[3], nor[3];
nor[0] = sinf(lat) * cosf(lon);
nor[1] = cosf(lat);
nor[2] = sinf(lat) * sinf(lon);
mul_v3_v3fl(pos, nor, rad);
GPU_vertbuf_attr_set(vbo, nor_id, *v_idx, nor);
GPU_vertbuf_attr_set(vbo, pos_id, (*v_idx)++, pos);
}
static GPUVertBuf *fill_arrows_vbo(const float scale)
{
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Line */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 6 * 3);
float v1[3] = {0.0, 0.0, 0.0};
float v2[3] = {0.0, 0.0, 0.0};
float vtmp1[3], vtmp2[3];
for (int axis = 0; axis < 3; axis++) {
const int arrow_axis = (axis == 0) ? 1 : 0;
v2[axis] = 1.0f;
mul_v3_v3fl(vtmp1, v1, scale);
mul_v3_v3fl(vtmp2, v2, scale);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 6 + 0, vtmp1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 6 + 1, vtmp2);
v1[axis] = 0.85f;
v1[arrow_axis] = -0.08f;
mul_v3_v3fl(vtmp1, v1, scale);
mul_v3_v3fl(vtmp2, v2, scale);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 6 + 2, vtmp1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 6 + 3, vtmp2);
v1[arrow_axis] = 0.08f;
mul_v3_v3fl(vtmp1, v1, scale);
mul_v3_v3fl(vtmp2, v2, scale);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 6 + 4, vtmp1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 6 + 5, vtmp2);
/* reset v1 & v2 to zero */
v1[arrow_axis] = v1[axis] = v2[axis] = 0.0f;
}
return vbo;
}
#endif /* UNUSED */
static GPUVertBuf *sphere_wire_vbo(const float rad)
{
#define NSEGMENTS 32
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 2 * 3);
/* a single ring of vertices */
float p[NSEGMENTS][2];
for (int i = 0; i < NSEGMENTS; ++i) {
float angle = 2 * M_PI * ((float)i / (float)NSEGMENTS);
p[i][0] = rad * cosf(angle);
p[i][1] = rad * sinf(angle);
}
for (int axis = 0; axis < 3; ++axis) {
for (int i = 0; i < NSEGMENTS; ++i) {
for (int j = 0; j < 2; ++j) {
float cv[2], v[3];
cv[0] = p[(i + j) % NSEGMENTS][0];
cv[1] = p[(i + j) % NSEGMENTS][1];
if (axis == 0) {
ARRAY_SET_ITEMS(v, cv[0], cv[1], 0.0f);
}
else if (axis == 1) {
ARRAY_SET_ITEMS(v, cv[0], 0.0f, cv[1]);
}
else {
ARRAY_SET_ITEMS(v, 0.0f, cv[0], cv[1]);
}
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 2 + j + (NSEGMENTS * 2 * axis), v);
}
}
}
return vbo;
#undef NSEGMENTS
}
/* Quads */
/* Use this one for rendering fullscreen passes. For 3D objects use DRW_cache_quad_get(). */
GPUBatch *DRW_cache_fullscreen_quad_get(void)
{
if (!SHC.drw_fullscreen_quad) {
/* Use a triangle instead of a real quad */
/* https://www.slideshare.net/DevCentralAMD/vertex-shader-tricks-bill-bilodeau - slide 14 */
float pos[3][2] = {{-1.0f, -1.0f}, { 3.0f, -1.0f}, {-1.0f, 3.0f}};
float uvs[3][2] = {{ 0.0f, 0.0f}, { 2.0f, 0.0f}, { 0.0f, 2.0f}};
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos, uvs; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.uvs = GPU_vertformat_attr_add(&format, "uvs", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
GPU_vertformat_alias_add(&format, "texCoord");
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 3);
for (int i = 0; i < 3; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, pos[i]);
GPU_vertbuf_attr_set(vbo, attr_id.uvs, i, uvs[i]);
}
SHC.drw_fullscreen_quad = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_fullscreen_quad;
}
/* Just a regular quad with 4 vertices. */
GPUBatch *DRW_cache_quad_get(void)
{
if (!SHC.drw_quad) {
float pos[4][2] = {{-1.0f, -1.0f}, { 1.0f, -1.0f}, {1.0f, 1.0f}, {-1.0f, 1.0f}};
float uvs[4][2] = {{ 0.0f, 0.0f}, { 1.0f, 0.0f}, {1.0f, 1.0f}, { 0.0f, 1.0f}};
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos, uvs; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.uvs = GPU_vertformat_attr_add(&format, "uvs", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 4);
for (int i = 0; i < 4; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, pos[i]);
GPU_vertbuf_attr_set(vbo, attr_id.uvs, i, uvs[i]);
}
SHC.drw_quad = GPU_batch_create_ex(GPU_PRIM_TRI_FAN, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_quad;
}
/* Grid */
GPUBatch *DRW_cache_grid_get(void)
{
if (!SHC.drw_grid) {
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 8 * 8 * 2 * 3);
uint v_idx = 0;
for (int i = 0; i < 8; ++i) {
for (int j = 0; j < 8; ++j) {
float pos0[2] = {(float)i / 8.0f, (float)j / 8.0f};
float pos1[2] = {(float)(i + 1) / 8.0f, (float)j / 8.0f};
float pos2[2] = {(float)i / 8.0f, (float)(j + 1) / 8.0f};
float pos3[2] = {(float)(i + 1) / 8.0f, (float)(j + 1) / 8.0f};
madd_v2_v2v2fl(pos0, (float[2]){-1.0f, -1.0f}, pos0, 2.0f);
madd_v2_v2v2fl(pos1, (float[2]){-1.0f, -1.0f}, pos1, 2.0f);
madd_v2_v2v2fl(pos2, (float[2]){-1.0f, -1.0f}, pos2, 2.0f);
madd_v2_v2v2fl(pos3, (float[2]){-1.0f, -1.0f}, pos3, 2.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, pos0);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, pos1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, pos2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, pos2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, pos1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, pos3);
}
}
SHC.drw_grid = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_grid;
}
/* Sphere */
GPUBatch *DRW_cache_sphere_get(void)
{
if (!SHC.drw_sphere) {
SHC.drw_sphere = gpu_batch_sphere(32, 24);
}
return SHC.drw_sphere;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Common
* \{ */
GPUBatch *DRW_cache_cube_get(void)
{
if (!SHC.drw_cube) {
const GLfloat verts[8][3] = {
{-1.0f, -1.0f, -1.0f},
{-1.0f, -1.0f, 1.0f},
{-1.0f, 1.0f, -1.0f},
{-1.0f, 1.0f, 1.0f},
{ 1.0f, -1.0f, -1.0f},
{ 1.0f, -1.0f, 1.0f},
{ 1.0f, 1.0f, -1.0f},
{ 1.0f, 1.0f, 1.0f},
};
const uint indices[36] = {
0, 1, 2,
1, 3, 2,
0, 4, 1,
4, 5, 1,
6, 5, 4,
6, 7, 5,
2, 7, 6,
2, 3, 7,
3, 1, 7,
1, 5, 7,
0, 2, 4,
2, 6, 4,
};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 36);
for (int i = 0; i < 36; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, verts[indices[i]]);
}
SHC.drw_cube = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_cube;
}
GPUBatch *DRW_cache_empty_cube_get(void)
{
if (!SHC.drw_empty_cube) {
const GLfloat verts[8][3] = {
{-1.0f, -1.0f, -1.0f},
{-1.0f, -1.0f, 1.0f},
{-1.0f, 1.0f, -1.0f},
{-1.0f, 1.0f, 1.0f},
{ 1.0f, -1.0f, -1.0f},
{ 1.0f, -1.0f, 1.0f},
{ 1.0f, 1.0f, -1.0f},
{ 1.0f, 1.0f, 1.0f},
};
const GLubyte indices[24] = {0, 1, 1, 3, 3, 2, 2, 0, 0, 4, 4, 5, 5, 7, 7, 6, 6, 4, 1, 5, 3, 7, 2, 6};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 24);
for (int i = 0; i < 24; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, verts[indices[i]]);
}
SHC.drw_empty_cube = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_empty_cube;
}
GPUBatch *DRW_cache_circle_get(void)
{
#define CIRCLE_RESOL 64
if (!SHC.drw_circle) {
float v[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL);
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[2] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, a, v);
}
SHC.drw_circle = GPU_batch_create_ex(GPU_PRIM_LINE_LOOP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_circle;
#undef CIRCLE_RESOL
}
GPUBatch *DRW_cache_square_get(void)
{
if (!SHC.drw_square) {
float p[4][3] = {
{ 1.0f, 0.0f, 1.0f},
{ 1.0f, 0.0f, -1.0f},
{-1.0f, 0.0f, -1.0f},
{-1.0f, 0.0f, 1.0f}};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 8);
for (int i = 0; i < 4; i++) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 2, p[i % 4]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 2 + 1, p[(i + 1) % 4]);
}
SHC.drw_square = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_square;
}
GPUBatch *DRW_cache_single_line_get(void)
{
/* Z axis line */
if (!SHC.drw_line) {
float v1[3] = {0.0f, 0.0f, 0.0f};
float v2[3] = {0.0f, 0.0f, 1.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 0, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 1, v2);
SHC.drw_line = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_line;
}
GPUBatch *DRW_cache_single_line_endpoints_get(void)
{
/* Z axis line */
if (!SHC.drw_line_endpoints) {
float v1[3] = {0.0f, 0.0f, 0.0f};
float v2[3] = {0.0f, 0.0f, 1.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 0, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 1, v2);
SHC.drw_line_endpoints = GPU_batch_create_ex(GPU_PRIM_POINTS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_line_endpoints;
}
GPUBatch *DRW_cache_screenspace_circle_get(void)
{
#define CIRCLE_RESOL 32
if (!SHC.drw_screenspace_circle) {
float v[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL + 1);
for (int a = 0; a <= CIRCLE_RESOL; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos, a, v);
}
SHC.drw_screenspace_circle = GPU_batch_create_ex(GPU_PRIM_LINE_STRIP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_screenspace_circle;
#undef CIRCLE_RESOL
}
/* Grease Pencil object */
GPUBatch *DRW_cache_gpencil_axes_get(void)
{
if (!SHC.drw_gpencil_axes) {
int axis;
float v1[3] = { 0.0f, 0.0f, 0.0f };
float v2[3] = { 0.0f, 0.0f, 0.0f };
/* cube data */
const GLfloat verts[8][3] = {
{ -0.25f, -0.25f, -0.25f },
{ -0.25f, -0.25f, 0.25f },
{ -0.25f, 0.25f, -0.25f },
{ -0.25f, 0.25f, 0.25f },
{ 0.25f, -0.25f, -0.25f },
{ 0.25f, -0.25f, 0.25f },
{ 0.25f, 0.25f, -0.25f },
{ 0.25f, 0.25f, 0.25f }
};
const GLubyte indices[24] = { 0, 1, 1, 3, 3, 2, 2, 0, 0, 4, 4, 5, 5, 7, 7, 6, 6, 4, 1, 5, 3, 7, 2, 6 };
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static uint pos_id;
if (format.attr_len == 0) {
pos_id = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
/* alloc 30 elements for cube and 3 axis */
GPU_vertbuf_data_alloc(vbo, ARRAY_SIZE(indices) + 6);
/* draw axis */
for (axis = 0; axis < 3; axis++) {
v1[axis] = 1.0f;
v2[axis] = -1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, axis * 2, v1);
GPU_vertbuf_attr_set(vbo, pos_id, axis * 2 + 1, v2);
/* reset v1 & v2 to zero for next axis */
v1[axis] = v2[axis] = 0.0f;
}
/* draw cube */
for (int i = 0; i < 24; ++i) {
GPU_vertbuf_attr_set(vbo, pos_id, i + 6, verts[indices[i]]);
}
SHC.drw_gpencil_axes = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_gpencil_axes;
}
/* -------------------------------------------------------------------- */
/** \name Common Object API
* \{ */
GPUBatch *DRW_cache_object_all_edges_get(Object *ob)
{
switch (ob->type) {
case OB_MESH:
return DRW_cache_mesh_all_edges_get(ob);
/* TODO, should match 'DRW_cache_object_surface_get' */
default:
return NULL;
}
}
GPUBatch *DRW_cache_object_edge_detection_get(Object *ob, bool *r_is_manifold)
{
switch (ob->type) {
case OB_MESH:
return DRW_cache_mesh_edge_detection_get(ob, r_is_manifold);
/* TODO, should match 'DRW_cache_object_surface_get' */
default:
return NULL;
}
}
GPUBatch *DRW_cache_object_face_wireframe_get(Object *ob)
{
switch (ob->type) {
case OB_MESH:
return DRW_cache_mesh_face_wireframe_get(ob);
case OB_CURVE:
return DRW_cache_curve_face_wireframe_get(ob);
case OB_SURF:
return DRW_cache_surf_face_wireframe_get(ob);
case OB_FONT:
return DRW_cache_text_face_wireframe_get(ob);
case OB_MBALL:
return DRW_cache_mball_face_wireframe_get(ob);
default:
return NULL;
}
}
GPUBatch *DRW_cache_object_loose_edges_get(struct Object *ob)
{
switch (ob->type) {
case OB_MESH:
return DRW_cache_mesh_loose_edges_get(ob);
case OB_CURVE:
return DRW_cache_curve_loose_edges_get(ob);
case OB_SURF:
return DRW_cache_surf_loose_edges_get(ob);
case OB_FONT:
return DRW_cache_text_loose_edges_get(ob);
case OB_MBALL:
/* Cannot have any loose edge */
default:
return NULL;
}
}
GPUBatch *DRW_cache_object_surface_get(Object *ob)
{
switch (ob->type) {
case OB_MESH:
return DRW_cache_mesh_surface_get(ob);
case OB_CURVE:
return DRW_cache_curve_surface_get(ob);
case OB_SURF:
return DRW_cache_surf_surface_get(ob);
case OB_FONT:
return DRW_cache_text_surface_get(ob);
case OB_MBALL:
return DRW_cache_mball_surface_get(ob);
default:
return NULL;
}
}
GPUBatch **DRW_cache_object_surface_material_get(
struct Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len,
char **auto_layer_names, int **auto_layer_is_srgb, int *auto_layer_count)
{
if (auto_layer_names != NULL) {
*auto_layer_names = NULL;
*auto_layer_is_srgb = NULL;
*auto_layer_count = 0;
}
switch (ob->type) {
case OB_MESH:
return DRW_cache_mesh_surface_shaded_get(
ob, gpumat_array, gpumat_array_len,
auto_layer_names, auto_layer_is_srgb, auto_layer_count);
case OB_CURVE:
return DRW_cache_curve_surface_shaded_get(ob, gpumat_array, gpumat_array_len);
case OB_SURF:
return DRW_cache_surf_surface_shaded_get(ob, gpumat_array, gpumat_array_len);
case OB_FONT:
return DRW_cache_text_surface_shaded_get(ob, gpumat_array, gpumat_array_len);
case OB_MBALL:
return DRW_cache_mball_surface_shaded_get(ob, gpumat_array, gpumat_array_len);
default:
return NULL;
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Empties
* \{ */
GPUBatch *DRW_cache_plain_axes_get(void)
{
if (!SHC.drw_plain_axes) {
int axis;
float v1[3] = {0.0f, 0.0f, 0.0f};
float v2[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 6);
for (axis = 0; axis < 3; axis++) {
v1[axis] = 1.0f;
v2[axis] = -1.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 2, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, axis * 2 + 1, v2);
/* reset v1 & v2 to zero for next axis */
v1[axis] = v2[axis] = 0.0f;
}
SHC.drw_plain_axes = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_plain_axes;
}
GPUBatch *DRW_cache_single_arrow_get(void)
{
if (!SHC.drw_single_arrow) {
float v1[3] = {0.0f, 0.0f, 1.0f}, v2[3], v3[3];
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Square Pyramid */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 12);
v2[0] = 0.035f; v2[1] = 0.035f;
v3[0] = -0.035f; v3[1] = 0.035f;
v2[2] = v3[2] = 0.75f;
for (int sides = 0; sides < 4; sides++) {
if (sides % 2 == 1) {
v2[0] = -v2[0];
v3[1] = -v3[1];
}
else {
v2[1] = -v2[1];
v3[0] = -v3[0];
}
GPU_vertbuf_attr_set(vbo, attr_id.pos, sides * 3 + 0, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, sides * 3 + 1, v2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, sides * 3 + 2, v3);
}
SHC.drw_single_arrow = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_single_arrow;
}
GPUBatch *DRW_cache_empty_sphere_get(void)
{
if (!SHC.drw_empty_sphere) {
GPUVertBuf *vbo = sphere_wire_vbo(1.0f);
SHC.drw_empty_sphere = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_empty_sphere;
}
GPUBatch *DRW_cache_empty_cone_get(void)
{
#define NSEGMENTS 8
if (!SHC.drw_empty_cone) {
/* a single ring of vertices */
float p[NSEGMENTS][2];
for (int i = 0; i < NSEGMENTS; ++i) {
float angle = 2 * M_PI * ((float)i / (float)NSEGMENTS);
p[i][0] = cosf(angle);
p[i][1] = sinf(angle);
}
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 4);
for (int i = 0; i < NSEGMENTS; ++i) {
float cv[2], v[3];
cv[0] = p[(i) % NSEGMENTS][0];
cv[1] = p[(i) % NSEGMENTS][1];
/* cone sides */
ARRAY_SET_ITEMS(v, cv[0], 0.0f, cv[1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4, v);
ARRAY_SET_ITEMS(v, 0.0f, 2.0f, 0.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4 + 1, v);
/* end ring */
ARRAY_SET_ITEMS(v, cv[0], 0.0f, cv[1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4 + 2, v);
cv[0] = p[(i + 1) % NSEGMENTS][0];
cv[1] = p[(i + 1) % NSEGMENTS][1];
ARRAY_SET_ITEMS(v, cv[0], 0.0f, cv[1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4 + 3, v);
}
SHC.drw_empty_cone = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_empty_cone;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_empty_cylinder_get(void)
{
#define NSEGMENTS 12
if (!SHC.drw_empty_cylinder) {
/* a single ring of vertices */
float p[NSEGMENTS][2];
for (int i = 0; i < NSEGMENTS; ++i) {
float angle = 2 * M_PI * ((float)i / (float)NSEGMENTS);
p[i][0] = cosf(angle);
p[i][1] = sinf(angle);
}
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 6);
for (int i = 0; i < NSEGMENTS; ++i) {
float cv[2], pv[2], v[3];
cv[0] = p[(i) % NSEGMENTS][0];
cv[1] = p[(i) % NSEGMENTS][1];
pv[0] = p[(i + 1) % NSEGMENTS][0];
pv[1] = p[(i + 1) % NSEGMENTS][1];
/* cylinder sides */
copy_v3_fl3(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 6, v);
copy_v3_fl3(v, cv[0], cv[1], 1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 6 + 1, v);
/* top ring */
copy_v3_fl3(v, cv[0], cv[1], 1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 6 + 2, v);
copy_v3_fl3(v, pv[0], pv[1], 1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 6 + 3, v);
/* bottom ring */
copy_v3_fl3(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 6 + 4, v);
copy_v3_fl3(v, pv[0], pv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 6 + 5, v);
}
SHC.drw_empty_cylinder = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_empty_cylinder;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_empty_capsule_body_get(void)
{
if (!SHC.drw_empty_capsule_body) {
const float pos[8][3] = {
{ 1.0f, 0.0f, 1.0f},
{ 1.0f, 0.0f, 0.0f},
{ 0.0f, 1.0f, 1.0f},
{ 0.0f, 1.0f, 0.0f},
{-1.0f, 0.0f, 1.0f},
{-1.0f, 0.0f, 0.0f},
{ 0.0f, -1.0f, 1.0f},
{ 0.0f, -1.0f, 0.0f},
};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 8);
GPU_vertbuf_attr_fill(vbo, attr_id.pos, pos);
SHC.drw_empty_capsule_body = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_empty_capsule_body;
}
GPUBatch *DRW_cache_empty_capsule_cap_get(void)
{
#define NSEGMENTS 24 /* Must be multiple of 2. */
if (!SHC.drw_empty_capsule_cap) {
/* a single ring of vertices */
float p[NSEGMENTS][2];
for (int i = 0; i < NSEGMENTS; ++i) {
float angle = 2 * M_PI * ((float)i / (float)NSEGMENTS);
p[i][0] = cosf(angle);
p[i][1] = sinf(angle);
}
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (NSEGMENTS * 2) * 2);
/* Base circle */
int vidx = 0;
for (int i = 0; i < NSEGMENTS; ++i) {
float v[3] = {0.0f, 0.0f, 0.0f};
copy_v2_v2(v, p[(i) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
copy_v2_v2(v, p[(i + 1) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
for (int i = 0; i < NSEGMENTS / 2; ++i) {
float v[3] = {0.0f, 0.0f, 0.0f};
int ci = i % NSEGMENTS;
int pi = (i + 1) % NSEGMENTS;
/* Y half circle */
copy_v3_fl3(v, p[ci][0], 0.0f, p[ci][1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
copy_v3_fl3(v, p[pi][0], 0.0f, p[pi][1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
/* X half circle */
copy_v3_fl3(v, 0.0f, p[ci][0], p[ci][1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
copy_v3_fl3(v, 0.0f, p[pi][0], p[pi][1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
SHC.drw_empty_capsule_cap = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_empty_capsule_cap;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_image_plane_get(void)
{
if (!SHC.drw_image_plane) {
const float quad[4][2] = {{0, 0}, {1, 0}, {1, 1}, {0, 1}};
static GPUVertFormat format = { 0 };
static struct { uint pos, texCoords; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.texCoords = GPU_vertformat_attr_add(&format, "texCoord", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 4);
for (uint j = 0; j < 4; j++) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, j, quad[j]);
GPU_vertbuf_attr_set(vbo, attr_id.texCoords, j, quad[j]);
}
SHC.drw_image_plane = GPU_batch_create_ex(GPU_PRIM_TRI_FAN, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_image_plane;
}
GPUBatch *DRW_cache_image_plane_wire_get(void)
{
if (!SHC.drw_image_plane_wire) {
const float quad[4][2] = {{0, 0}, {1, 0}, {1, 1}, {0, 1}};
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 4);
for (uint j = 0; j < 4; j++) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, j, quad[j]);
}
SHC.drw_image_plane_wire = GPU_batch_create_ex(GPU_PRIM_LINE_LOOP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_image_plane_wire;
}
/* Force Field */
GPUBatch *DRW_cache_field_wind_get(void)
{
#define CIRCLE_RESOL 32
if (!SHC.drw_field_wind) {
float v[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL * 2 * 4);
for (int i = 0; i < 4; i++) {
float z = 0.05f * (float)i;
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * CIRCLE_RESOL * 2 + a * 2, v);
v[0] = sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * CIRCLE_RESOL * 2 + a * 2 + 1, v);
}
}
SHC.drw_field_wind = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_field_wind;
#undef CIRCLE_RESOL
}
GPUBatch *DRW_cache_field_force_get(void)
{
#define CIRCLE_RESOL 32
if (!SHC.drw_field_force) {
float v[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL * 2 * 3);
for (int i = 0; i < 3; i++) {
float radius = 1.0f + 0.5f * (float)i;
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = radius * sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = radius * cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[2] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * CIRCLE_RESOL * 2 + a * 2, v);
v[0] = radius * sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[1] = radius * cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[2] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * CIRCLE_RESOL * 2 + a * 2 + 1, v);
}
}
SHC.drw_field_force = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_field_force;
#undef CIRCLE_RESOL
}
GPUBatch *DRW_cache_field_vortex_get(void)
{
#define SPIRAL_RESOL 32
if (!SHC.drw_field_vortex) {
float v[3] = {0.0f, 0.0f, 0.0f};
uint v_idx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, SPIRAL_RESOL * 2 + 1);
for (int a = SPIRAL_RESOL; a > -1; a--) {
v[0] = sinf((2.0f * M_PI * a) / ((float)SPIRAL_RESOL)) * (a / (float)SPIRAL_RESOL);
v[1] = cosf((2.0f * M_PI * a) / ((float)SPIRAL_RESOL)) * (a / (float)SPIRAL_RESOL);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
for (int a = 1; a <= SPIRAL_RESOL; a++) {
v[0] = -sinf((2.0f * M_PI * a) / ((float)SPIRAL_RESOL)) * (a / (float)SPIRAL_RESOL);
v[1] = -cosf((2.0f * M_PI * a) / ((float)SPIRAL_RESOL)) * (a / (float)SPIRAL_RESOL);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
SHC.drw_field_vortex = GPU_batch_create_ex(GPU_PRIM_LINE_STRIP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_field_vortex;
#undef SPIRAL_RESOL
}
GPUBatch *DRW_cache_field_tube_limit_get(void)
{
#define CIRCLE_RESOL 32
if (!SHC.drw_field_tube_limit) {
float v[3] = {0.0f, 0.0f, 0.0f};
uint v_idx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL * 2 * 2 + 8);
/* Caps */
for (int i = 0; i < 2; i++) {
float z = (float)i * 2.0f - 1.0f;
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
v[0] = sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
}
/* Side Edges */
for (int a = 0; a < 4; a++) {
for (int i = 0; i < 2; i++) {
float z = (float)i * 2.0f - 1.0f;
v[0] = sinf((2.0f * M_PI * a) / 4.0f);
v[1] = cosf((2.0f * M_PI * a) / 4.0f);
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
}
SHC.drw_field_tube_limit = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_field_tube_limit;
#undef CIRCLE_RESOL
}
GPUBatch *DRW_cache_field_cone_limit_get(void)
{
#define CIRCLE_RESOL 32
if (!SHC.drw_field_cone_limit) {
float v[3] = {0.0f, 0.0f, 0.0f};
uint v_idx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL * 2 * 2 + 8);
/* Caps */
for (int i = 0; i < 2; i++) {
float z = (float)i * 2.0f - 1.0f;
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
v[0] = sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
}
/* Side Edges */
for (int a = 0; a < 4; a++) {
for (int i = 0; i < 2; i++) {
float z = (float)i * 2.0f - 1.0f;
v[0] = z * sinf((2.0f * M_PI * a) / 4.0f);
v[1] = z * cosf((2.0f * M_PI * a) / 4.0f);
v[2] = z;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
}
SHC.drw_field_cone_limit = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_field_cone_limit;
#undef CIRCLE_RESOL
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Lights
* \{ */
GPUBatch *DRW_cache_light_get(void)
{
#define NSEGMENTS 8
if (!SHC.drw_light) {
float v[2];
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 2);
for (int a = 0; a < NSEGMENTS * 2; a += 2) {
v[0] = sinf((2.0f * M_PI * a) / ((float)NSEGMENTS * 2));
v[1] = cosf((2.0f * M_PI * a) / ((float)NSEGMENTS * 2));
GPU_vertbuf_attr_set(vbo, attr_id.pos, a, v);
v[0] = sinf((2.0f * M_PI * (a + 1)) / ((float)NSEGMENTS * 2));
v[1] = cosf((2.0f * M_PI * (a + 1)) / ((float)NSEGMENTS * 2));
GPU_vertbuf_attr_set(vbo, attr_id.pos, a + 1, v);
}
SHC.drw_light = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_light_shadows_get(void)
{
#define NSEGMENTS 10
if (!SHC.drw_light_shadows) {
float v[2];
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 2);
for (int a = 0; a < NSEGMENTS * 2; a += 2) {
v[0] = sinf((2.0f * M_PI * a) / ((float)NSEGMENTS * 2));
v[1] = cosf((2.0f * M_PI * a) / ((float)NSEGMENTS * 2));
GPU_vertbuf_attr_set(vbo, attr_id.pos, a, v);
v[0] = sinf((2.0f * M_PI * (a + 1)) / ((float)NSEGMENTS * 2));
v[1] = cosf((2.0f * M_PI * (a + 1)) / ((float)NSEGMENTS * 2));
GPU_vertbuf_attr_set(vbo, attr_id.pos, a + 1, v);
}
SHC.drw_light_shadows = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_shadows;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_light_sunrays_get(void)
{
if (!SHC.drw_light_sunrays) {
float v[2], v1[2], v2[2];
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 32);
for (int a = 0; a < 8; a++) {
v[0] = sinf((2.0f * M_PI * a) / 8.0f);
v[1] = cosf((2.0f * M_PI * a) / 8.0f);
mul_v2_v2fl(v1, v, 1.6f);
mul_v2_v2fl(v2, v, 1.9f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, a * 4, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, a * 4 + 1, v2);
mul_v2_v2fl(v1, v, 2.2f);
mul_v2_v2fl(v2, v, 2.5f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, a * 4 + 2, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, a * 4 + 3, v2);
}
SHC.drw_light_sunrays = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_sunrays;
}
GPUBatch *DRW_cache_light_area_square_get(void)
{
if (!SHC.drw_light_area_square) {
float v1[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 8);
v1[0] = v1[1] = 0.5f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, 0, v1);
v1[0] = -0.5f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, 1, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 2, v1);
v1[1] = -0.5f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, 3, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 4, v1);
v1[0] = 0.5f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, 5, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 6, v1);
v1[1] = 0.5f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, 7, v1);
SHC.drw_light_area_square = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_area_square;
}
GPUBatch *DRW_cache_light_area_disk_get(void)
{
#define NSEGMENTS 32
if (!SHC.drw_light_area_disk) {
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 2 * NSEGMENTS);
float v[3] = {0.0f, 0.5f, 0.0f};
GPU_vertbuf_attr_set(vbo, attr_id.pos, 0, v);
for (int a = 1; a < NSEGMENTS; a++) {
v[0] = 0.5f * sinf(2.0f * (float)M_PI * a / NSEGMENTS);
v[1] = 0.5f * cosf(2.0f * (float)M_PI * a / NSEGMENTS);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 2 * a - 1, v);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 2 * a, v);
}
copy_v3_fl3(v, 0.0f, 0.5f, 0.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, (2 * NSEGMENTS) - 1, v);
SHC.drw_light_area_disk = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_area_disk;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_light_hemi_get(void)
{
#define CIRCLE_RESOL 32
if (!SHC.drw_light_hemi) {
float v[3];
int vidx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL * 2 * 2 - 6 * 2 * 2);
/* XZ plane */
for (int a = 3; a < CIRCLE_RESOL / 2 - 3; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL) - M_PI / 2);
v[2] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL) - M_PI / 2) - 1.0f;
v[1] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
v[0] = sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL) - M_PI / 2);
v[2] = cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL) - M_PI / 2) - 1.0f;
v[1] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
/* XY plane */
for (int a = 3; a < CIRCLE_RESOL / 2 - 3; a++) {
v[2] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL)) - 1.0f;
v[1] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[0] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
v[2] = sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL)) - 1.0f;
v[1] = cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[0] = 0.0f;
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
/* YZ plane full circle */
/* lease v[2] as it is */
const float rad = cosf((2.0f * M_PI * 3) / ((float)CIRCLE_RESOL));
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[1] = rad * sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[0] = rad * cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
v[1] = rad * sinf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
v[0] = rad * cosf((2.0f * M_PI * (a + 1)) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
SHC.drw_light_hemi = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_hemi;
#undef CIRCLE_RESOL
}
GPUBatch *DRW_cache_light_spot_get(void)
{
#define NSEGMENTS 32
if (!SHC.drw_light_spot) {
/* a single ring of vertices */
float p[NSEGMENTS][2];
float n[NSEGMENTS][3];
float neg[NSEGMENTS][3];
float half_angle = 2 * M_PI / ((float)NSEGMENTS * 2);
for (int i = 0; i < NSEGMENTS; ++i) {
float angle = 2 * M_PI * ((float)i / (float)NSEGMENTS);
p[i][0] = cosf(angle);
p[i][1] = sinf(angle);
n[i][0] = cosf(angle - half_angle);
n[i][1] = sinf(angle - half_angle);
n[i][2] = cosf(M_PI / 16.0f); /* slope of the cone */
normalize_v3(n[i]); /* necessary ? */
negate_v3_v3(neg[i], n[i]);
}
static GPUVertFormat format = { 0 };
static struct { uint pos, n1, n2; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.n1 = GPU_vertformat_attr_add(&format, "N1", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.n2 = GPU_vertformat_attr_add(&format, "N2", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 4);
for (int i = 0; i < NSEGMENTS; ++i) {
float cv[2], v[3];
cv[0] = p[i % NSEGMENTS][0];
cv[1] = p[i % NSEGMENTS][1];
/* cone sides */
ARRAY_SET_ITEMS(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4, v);
ARRAY_SET_ITEMS(v, 0.0f, 0.0f, 0.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4 + 1, v);
GPU_vertbuf_attr_set(vbo, attr_id.n1, i * 4, n[(i) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.n1, i * 4 + 1, n[(i) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.n2, i * 4, n[(i + 1) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.n2, i * 4 + 1, n[(i + 1) % NSEGMENTS]);
/* end ring */
ARRAY_SET_ITEMS(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4 + 2, v);
cv[0] = p[(i + 1) % NSEGMENTS][0];
cv[1] = p[(i + 1) % NSEGMENTS][1];
ARRAY_SET_ITEMS(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i * 4 + 3, v);
GPU_vertbuf_attr_set(vbo, attr_id.n1, i * 4 + 2, n[(i) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.n1, i * 4 + 3, n[(i) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.n2, i * 4 + 2, neg[(i) % NSEGMENTS]);
GPU_vertbuf_attr_set(vbo, attr_id.n2, i * 4 + 3, neg[(i) % NSEGMENTS]);
}
SHC.drw_light_spot = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_spot;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_light_spot_volume_get(void)
{
#define NSEGMENTS 32
if (!SHC.drw_light_spot_volume) {
/* a single ring of vertices */
float p[NSEGMENTS][2];
for (int i = 0; i < NSEGMENTS; ++i) {
float angle = 2 * M_PI * ((float)i / (float)NSEGMENTS);
p[i][0] = cosf(angle);
p[i][1] = sinf(angle);
}
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, NSEGMENTS * 3);
uint v_idx = 0;
for (int i = 0; i < NSEGMENTS; ++i) {
float cv[2], v[3];
ARRAY_SET_ITEMS(v, 0.0f, 0.0f, 0.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
cv[0] = p[i % NSEGMENTS][0];
cv[1] = p[i % NSEGMENTS][1];
ARRAY_SET_ITEMS(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
cv[0] = p[(i + 1) % NSEGMENTS][0];
cv[1] = p[(i + 1) % NSEGMENTS][1];
ARRAY_SET_ITEMS(v, cv[0], cv[1], -1.0f);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v);
}
SHC.drw_light_spot_volume = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_spot_volume;
#undef NSEGMENTS
}
GPUBatch *DRW_cache_light_spot_square_get(void)
{
if (!SHC.drw_light_spot_square) {
float p[5][3] = {
{ 0.0f, 0.0f, 0.0f},
{ 1.0f, 1.0f, -1.0f},
{ 1.0f, -1.0f, -1.0f},
{-1.0f, -1.0f, -1.0f},
{-1.0f, 1.0f, -1.0f}};
uint v_idx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 16);
/* piramid sides */
for (int i = 1; i <= 4; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[0]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[i]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[(i % 4) + 1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[((i + 1) % 4) + 1]);
}
SHC.drw_light_spot_square = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_spot_square;
}
GPUBatch *DRW_cache_light_spot_square_volume_get(void)
{
if (!SHC.drw_light_spot_square_volume) {
float p[5][3] = {
{ 0.0f, 0.0f, 0.0f},
{ 1.0f, 1.0f, -1.0f},
{ 1.0f, -1.0f, -1.0f},
{-1.0f, -1.0f, -1.0f},
{-1.0f, 1.0f, -1.0f}};
uint v_idx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 12);
/* piramid sides */
for (int i = 1; i <= 4; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[0]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[((i + 1) % 4) + 1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, p[(i % 4) + 1]);
}
SHC.drw_light_spot_square_volume = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_light_spot_square_volume;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Speaker
* \{ */
GPUBatch *DRW_cache_speaker_get(void)
{
if (!SHC.drw_speaker) {
float v[3];
const int segments = 16;
int vidx = 0;
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 3 * segments * 2 + 4 * 4);
for (int j = 0; j < 3; j++) {
float z = 0.25f * j - 0.125f;
float r = (j == 0 ? 0.5f : 0.25f);
copy_v3_fl3(v, r, 0.0f, z);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
for (int i = 1; i < segments; i++) {
float x = cosf(2.f * (float)M_PI * i / segments) * r;
float y = sinf(2.f * (float)M_PI * i / segments) * r;
copy_v3_fl3(v, x, y, z);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
copy_v3_fl3(v, r, 0.0f, z);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
for (int j = 0; j < 4; j++) {
float x = (((j + 1) % 2) * (j - 1)) * 0.5f;
float y = ((j % 2) * (j - 2)) * 0.5f;
for (int i = 0; i < 3; i++) {
if (i == 1) {
x *= 0.5f;
y *= 0.5f;
}
float z = 0.25f * i - 0.125f;
copy_v3_fl3(v, x, y, z);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
if (i == 1) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, v);
}
}
}
SHC.drw_speaker = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_speaker;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Probe
* \{ */
GPUBatch *DRW_cache_lightprobe_cube_get(void)
{
if (!SHC.drw_lightprobe_cube) {
int v_idx = 0;
const float sin_pi_3 = 0.86602540378f;
const float cos_pi_3 = 0.5f;
float v[7][3] = {
{0.0f, 1.0f, 0.0f},
{sin_pi_3, cos_pi_3, 0.0f},
{sin_pi_3, -cos_pi_3, 0.0f},
{0.0f, -1.0f, 0.0f},
{-sin_pi_3, -cos_pi_3, 0.0f},
{-sin_pi_3, cos_pi_3, 0.0f},
{0.0f, 0.0f, 0.0f},
};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (6 + 3) * 2);
for (int i = 0; i < 6; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[i]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[(i + 1) % 6]);
}
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[6]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[5]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[6]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[3]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[6]);
SHC.drw_lightprobe_cube = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_lightprobe_cube;
}
GPUBatch *DRW_cache_lightprobe_grid_get(void)
{
if (!SHC.drw_lightprobe_grid) {
int v_idx = 0;
const float sin_pi_3 = 0.86602540378f;
const float cos_pi_3 = 0.5f;
const float v[7][3] = {
{0.0f, 1.0f, 0.0f},
{sin_pi_3, cos_pi_3, 0.0f},
{sin_pi_3, -cos_pi_3, 0.0f},
{0.0f, -1.0f, 0.0f},
{-sin_pi_3, -cos_pi_3, 0.0f},
{-sin_pi_3, cos_pi_3, 0.0f},
{0.0f, 0.0f, 0.0f},
};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (6 * 2 + 3) * 2);
for (int i = 0; i < 6; ++i) {
float tmp_v1[3], tmp_v2[3], tmp_tr[3];
copy_v3_v3(tmp_v1, v[i]);
copy_v3_v3(tmp_v2, v[(i + 1) % 6]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, tmp_v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, tmp_v2);
/* Internal wires. */
for (int j = 1; j < 2; ++j) {
mul_v3_v3fl(tmp_tr, v[(i / 2) * 2 + 1], -0.5f * j);
add_v3_v3v3(tmp_v1, v[i], tmp_tr);
add_v3_v3v3(tmp_v2, v[(i + 1) % 6], tmp_tr);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, tmp_v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, tmp_v2);
}
}
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[1]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[6]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[5]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[6]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[3]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[6]);
SHC.drw_lightprobe_grid = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_lightprobe_grid;
}
GPUBatch *DRW_cache_lightprobe_planar_get(void)
{
if (!SHC.drw_lightprobe_planar) {
int v_idx = 0;
const float sin_pi_3 = 0.86602540378f;
float v[4][3] = {
{0.0f, 0.5f, 0.0f},
{sin_pi_3, 0.0f, 0.0f},
{0.0f, -0.5f, 0.0f},
{-sin_pi_3, 0.0f, 0.0f},
};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 4 * 2);
for (int i = 0; i < 4; ++i) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[i]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, v[(i + 1) % 4]);
}
SHC.drw_lightprobe_planar = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_lightprobe_planar;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Armature Bones
* \{ */
static const float bone_octahedral_verts[6][3] = {
{ 0.0f, 0.0f, 0.0f},
{ 0.1f, 0.1f, 0.1f},
{ 0.1f, 0.1f, -0.1f},
{-0.1f, 0.1f, -0.1f},
{-0.1f, 0.1f, 0.1f},
{ 0.0f, 1.0f, 0.0f},
};
static const float bone_octahedral_smooth_normals[6][3] = {
{ 0.0f, -1.0f, 0.0f},
#if 0 /* creates problems for outlines when scaled */
{ 0.943608f * M_SQRT1_2, -0.331048f, 0.943608f * M_SQRT1_2},
{ 0.943608f * M_SQRT1_2, -0.331048f, -0.943608f * M_SQRT1_2},
{-0.943608f * M_SQRT1_2, -0.331048f, -0.943608f * M_SQRT1_2},
{-0.943608f * M_SQRT1_2, -0.331048f, 0.943608f * M_SQRT1_2},
#else
{ M_SQRT1_2, 0.0f, M_SQRT1_2},
{ M_SQRT1_2, 0.0f, -M_SQRT1_2},
{-M_SQRT1_2, 0.0f, -M_SQRT1_2},
{-M_SQRT1_2, 0.0f, M_SQRT1_2},
#endif
{ 0.0f, 1.0f, 0.0f},
};
#if 0 /* UNUSED */
static const uint bone_octahedral_wire[24] = {
0, 1, 1, 5, 5, 3, 3, 0,
0, 4, 4, 5, 5, 2, 2, 0,
1, 2, 2, 3, 3, 4, 4, 1,
};
/* aligned with bone_octahedral_wire
* Contains adjacent normal index */
static const uint bone_octahedral_wire_adjacent_face[24] = {
0, 3, 4, 7, 5, 6, 1, 2,
2, 3, 6, 7, 4, 5, 0, 1,
0, 4, 1, 5, 2, 6, 3, 7,
};
#endif
static const uint bone_octahedral_solid_tris[8][3] = {
{2, 1, 0}, /* bottom */
{3, 2, 0},
{4, 3, 0},
{1, 4, 0},
{5, 1, 2}, /* top */
{5, 2, 3},
{5, 3, 4},
{5, 4, 1},
};
/**
* Store indices of generated verts from bone_octahedral_solid_tris to define adjacency infos.
* Example: triangle {2, 1, 0} is adjacent to {3, 2, 0}, {1, 4, 0} and {5, 1, 2}.
* {2, 1, 0} becomes {0, 1, 2}
* {3, 2, 0} becomes {3, 4, 5}
* {1, 4, 0} becomes {9, 10, 11}
* {5, 1, 2} becomes {12, 13, 14}
* According to opengl specification it becomes (starting from
* the first vertex of the first face aka. vertex 2):
* {0, 12, 1, 10, 2, 3}
**/
static const uint bone_octahedral_wire_lines_adjacency[12][4] = {
{ 0, 1, 2, 6}, { 0, 12, 1, 6}, { 0, 3, 12, 6}, { 0, 2, 3, 6},
{ 1, 6, 2, 3}, { 1, 12, 6, 3}, { 1, 0, 12, 3}, { 1, 2, 0, 3},
{ 2, 0, 1, 12}, { 2, 3, 0, 12}, { 2, 6, 3, 12}, { 2, 1, 6, 12},
};
#if 0 /* UNUSED */
static const uint bone_octahedral_solid_tris_adjacency[8][6] = {
{ 0, 12, 1, 10, 2, 3},
{ 3, 15, 4, 1, 5, 6},
{ 6, 18, 7, 4, 8, 9},
{ 9, 21, 10, 7, 11, 0},
{12, 22, 13, 2, 14, 17},
{15, 13, 16, 5, 17, 20},
{18, 16, 19, 8, 20, 23},
{21, 19, 22, 11, 23, 14},
};
#endif
/* aligned with bone_octahedral_solid_tris */
static const float bone_octahedral_solid_normals[8][3] = {
{ M_SQRT1_2, -M_SQRT1_2, 0.00000000f},
{-0.00000000f, -M_SQRT1_2, -M_SQRT1_2},
{-M_SQRT1_2, -M_SQRT1_2, 0.00000000f},
{ 0.00000000f, -M_SQRT1_2, M_SQRT1_2},
{ 0.99388373f, 0.11043154f, -0.00000000f},
{ 0.00000000f, 0.11043154f, -0.99388373f},
{-0.99388373f, 0.11043154f, 0.00000000f},
{ 0.00000000f, 0.11043154f, 0.99388373f},
};
GPUBatch *DRW_cache_bone_octahedral_get(void)
{
if (!SHC.drw_bone_octahedral) {
uint v_idx = 0;
static GPUVertFormat format = { 0 };
static struct { uint pos, nor, snor; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.nor = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.snor = GPU_vertformat_attr_add(&format, "snor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 24);
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 3; ++j) {
GPU_vertbuf_attr_set(vbo, attr_id.nor, v_idx, bone_octahedral_solid_normals[i]);
GPU_vertbuf_attr_set(vbo, attr_id.snor, v_idx, bone_octahedral_smooth_normals[bone_octahedral_solid_tris[i][j]]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, bone_octahedral_verts[bone_octahedral_solid_tris[i][j]]);
}
}
SHC.drw_bone_octahedral = GPU_batch_create_ex(
GPU_PRIM_TRIS, vbo, NULL,
GPU_BATCH_OWNS_VBO);
}
return SHC.drw_bone_octahedral;
}
GPUBatch *DRW_cache_bone_octahedral_wire_get(void)
{
if (!SHC.drw_bone_octahedral_wire) {
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_LINES_ADJ, 12, 24);
for (int i = 0; i < 12; i++) {
GPU_indexbuf_add_line_adj_verts(
&elb,
bone_octahedral_wire_lines_adjacency[i][0],
bone_octahedral_wire_lines_adjacency[i][1],
bone_octahedral_wire_lines_adjacency[i][2],
bone_octahedral_wire_lines_adjacency[i][3]);
}
/* HACK Reuse vertex buffer. */
GPUBatch *pos_nor_batch = DRW_cache_bone_octahedral_get();
SHC.drw_bone_octahedral_wire = GPU_batch_create_ex(
GPU_PRIM_LINES_ADJ, pos_nor_batch->verts[0], GPU_indexbuf_build(&elb),
GPU_BATCH_OWNS_INDEX);
}
return SHC.drw_bone_octahedral_wire;
}
/* XXX TODO move that 1 unit cube to more common/generic place? */
static const float bone_box_verts[8][3] = {
{ 1.0f, 0.0f, 1.0f},
{ 1.0f, 0.0f, -1.0f},
{-1.0f, 0.0f, -1.0f},
{-1.0f, 0.0f, 1.0f},
{ 1.0f, 1.0f, 1.0f},
{ 1.0f, 1.0f, -1.0f},
{-1.0f, 1.0f, -1.0f},
{-1.0f, 1.0f, 1.0f},
};
static const float bone_box_smooth_normals[8][3] = {
{ M_SQRT3, -M_SQRT3, M_SQRT3},
{ M_SQRT3, -M_SQRT3, -M_SQRT3},
{-M_SQRT3, -M_SQRT3, -M_SQRT3},
{-M_SQRT3, -M_SQRT3, M_SQRT3},
{ M_SQRT3, M_SQRT3, M_SQRT3},
{ M_SQRT3, M_SQRT3, -M_SQRT3},
{-M_SQRT3, M_SQRT3, -M_SQRT3},
{-M_SQRT3, M_SQRT3, M_SQRT3},
};
#if 0 /* UNUSED */
static const uint bone_box_wire[24] = {
0, 1, 1, 2, 2, 3, 3, 0,
4, 5, 5, 6, 6, 7, 7, 4,
0, 4, 1, 5, 2, 6, 3, 7,
};
/* aligned with bone_octahedral_wire
* Contains adjacent normal index */
static const uint bone_box_wire_adjacent_face[24] = {
0, 2, 0, 4, 1, 6, 1, 8,
3, 10, 5, 10, 7, 11, 9, 11,
3, 8, 2, 5, 4, 7, 6, 9,
};
#endif
static const uint bone_box_solid_tris[12][3] = {
{0, 2, 1}, /* bottom */
{0, 3, 2},
{0, 1, 5}, /* sides */
{0, 5, 4},
{1, 2, 6},
{1, 6, 5},
{2, 3, 7},
{2, 7, 6},
{3, 0, 4},
{3, 4, 7},
{4, 5, 6}, /* top */
{4, 6, 7},
};
/**
* Store indices of generated verts from bone_box_solid_tris to define adjacency infos.
* See bone_octahedral_solid_tris for more infos.
**/
static const uint bone_box_wire_lines_adjacency[12][4] = {
{ 4, 2, 0, 11}, { 0, 1, 2, 8}, { 2, 4, 1, 14}, { 1, 0, 4, 20}, /* bottom */
{ 0, 8, 11, 14}, { 2, 14, 8, 20}, { 1, 20, 14, 11}, { 4, 11, 20, 8}, /* top */
{ 20, 0, 11, 2}, { 11, 2, 8, 1}, { 8, 1, 14, 4}, { 14, 4, 20, 0}, /* sides */
};
#if 0 /* UNUSED */
static const uint bone_box_solid_tris_adjacency[12][6] = {
{ 0, 5, 1, 14, 2, 8},
{ 3, 26, 4, 20, 5, 1},
{ 6, 2, 7, 16, 8, 11},
{ 9, 7, 10, 32, 11, 24},
{12, 0, 13, 22, 14, 17},
{15, 13, 16, 30, 17, 6},
{18, 3, 19, 28, 20, 23},
{21, 19, 22, 33, 23, 12},
{24, 4, 25, 10, 26, 29},
{27, 25, 28, 34, 29, 18},
{30, 9, 31, 15, 32, 35},
{33, 31, 34, 21, 35, 27},
};
#endif
/* aligned with bone_box_solid_tris */
static const float bone_box_solid_normals[12][3] = {
{ 0.0f, -1.0f, 0.0f},
{ 0.0f, -1.0f, 0.0f},
{ 1.0f, 0.0f, 0.0f},
{ 1.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, -1.0f},
{ 0.0f, 0.0f, -1.0f},
{-1.0f, 0.0f, 0.0f},
{-1.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 1.0f},
{ 0.0f, 0.0f, 1.0f},
{ 0.0f, 1.0f, 0.0f},
{ 0.0f, 1.0f, 0.0f},
};
GPUBatch *DRW_cache_bone_box_get(void)
{
if (!SHC.drw_bone_box) {
uint v_idx = 0;
static GPUVertFormat format = { 0 };
static struct { uint pos, nor, snor; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.nor = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.snor = GPU_vertformat_attr_add(&format, "snor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 36);
for (int i = 0; i < 12; i++) {
for (int j = 0; j < 3; j++) {
GPU_vertbuf_attr_set(vbo, attr_id.nor, v_idx, bone_box_solid_normals[i]);
GPU_vertbuf_attr_set(vbo, attr_id.snor, v_idx, bone_box_smooth_normals[bone_box_solid_tris[i][j]]);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, bone_box_verts[bone_box_solid_tris[i][j]]);
}
}
SHC.drw_bone_box = GPU_batch_create_ex(
GPU_PRIM_TRIS, vbo, NULL,
GPU_BATCH_OWNS_VBO);
}
return SHC.drw_bone_box;
}
GPUBatch *DRW_cache_bone_box_wire_get(void)
{
if (!SHC.drw_bone_box_wire) {
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_LINES_ADJ, 12, 36);
for (int i = 0; i < 12; i++) {
GPU_indexbuf_add_line_adj_verts(
&elb,
bone_box_wire_lines_adjacency[i][0],
bone_box_wire_lines_adjacency[i][1],
bone_box_wire_lines_adjacency[i][2],
bone_box_wire_lines_adjacency[i][3]);
}
/* HACK Reuse vertex buffer. */
GPUBatch *pos_nor_batch = DRW_cache_bone_box_get();
SHC.drw_bone_box_wire = GPU_batch_create_ex(
GPU_PRIM_LINES_ADJ, pos_nor_batch->verts[0], GPU_indexbuf_build(&elb),
GPU_BATCH_OWNS_INDEX);
}
return SHC.drw_bone_box_wire;
}
/* Helpers for envelope bone's solid sphere-with-hidden-equatorial-cylinder.
* Note that here we only encode head/tail in forth component of the vector. */
static void benv_lat_lon_to_co(const float lat, const float lon, float r_nor[3])
{
r_nor[0] = sinf(lat) * cosf(lon);
r_nor[1] = sinf(lat) * sinf(lon);
r_nor[2] = cosf(lat);
}
GPUBatch *DRW_cache_bone_envelope_solid_get(void)
{
if (!SHC.drw_bone_envelope) {
const int lon_res = 24;
const int lat_res = 24;
const float lon_inc = 2.0f * M_PI / lon_res;
const float lat_inc = M_PI / lat_res;
uint v_idx = 0;
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, ((lat_res + 1) * 2) * lon_res * 1);
float lon = 0.0f;
for (int i = 0; i < lon_res; i++, lon += lon_inc) {
float lat = 0.0f;
float co1[3], co2[3];
/* Note: the poles are duplicated on purpose, to restart the strip. */
/* 1st sphere */
for (int j = 0; j < lat_res; j++, lat += lat_inc) {
benv_lat_lon_to_co(lat, lon, co1);
benv_lat_lon_to_co(lat, lon + lon_inc, co2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, co1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, co2);
}
/* Closing the loop */
benv_lat_lon_to_co(M_PI, lon, co1);
benv_lat_lon_to_co(M_PI, lon + lon_inc, co2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, co1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v_idx++, co2);
}
SHC.drw_bone_envelope = GPU_batch_create_ex(GPU_PRIM_TRI_STRIP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_bone_envelope;
}
GPUBatch *DRW_cache_bone_envelope_outline_get(void)
{
if (!SHC.drw_bone_envelope_outline) {
# define CIRCLE_RESOL 64
float v0[2], v1[2], v2[2];
const float radius = 1.0f;
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos0, pos1, pos2; } attr_id;
if (format.attr_len == 0) {
attr_id.pos0 = GPU_vertformat_attr_add(&format, "pos0", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.pos1 = GPU_vertformat_attr_add(&format, "pos1", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.pos2 = GPU_vertformat_attr_add(&format, "pos2", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (CIRCLE_RESOL + 1) * 2);
v0[0] = radius * sinf((2.0f * M_PI * -2) / ((float)CIRCLE_RESOL));
v0[1] = radius * cosf((2.0f * M_PI * -2) / ((float)CIRCLE_RESOL));
v1[0] = radius * sinf((2.0f * M_PI * -1) / ((float)CIRCLE_RESOL));
v1[1] = radius * cosf((2.0f * M_PI * -1) / ((float)CIRCLE_RESOL));
/* Output 4 verts for each position. See shader for explanation. */
uint v = 0;
for (int a = 0; a < CIRCLE_RESOL; a++) {
v2[0] = radius * sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v2[1] = radius * cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos2, v++, v2);
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos2, v++, v2);
copy_v2_v2(v0, v1);
copy_v2_v2(v1, v2);
}
v2[0] = 0.0f;
v2[1] = radius;
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos2, v++, v2);
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos2, v++, v2);
SHC.drw_bone_envelope_outline = GPU_batch_create_ex(GPU_PRIM_TRI_STRIP, vbo, NULL, GPU_BATCH_OWNS_VBO);
# undef CIRCLE_RESOL
}
return SHC.drw_bone_envelope_outline;
}
GPUBatch *DRW_cache_bone_point_get(void)
{
if (!SHC.drw_bone_point) {
#if 0 /* old style geometry sphere */
const int lon_res = 16;
const int lat_res = 8;
const float rad = 0.05f;
const float lon_inc = 2 * M_PI / lon_res;
const float lat_inc = M_PI / lat_res;
uint v_idx = 0;
static GPUVertFormat format = { 0 };
static struct { uint pos, nor; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.nor = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (lat_res - 1) * lon_res * 6);
float lon = 0.0f;
for (int i = 0; i < lon_res; i++, lon += lon_inc) {
float lat = 0.0f;
for (int j = 0; j < lat_res; j++, lat += lat_inc) {
if (j != lat_res - 1) { /* Pole */
add_lat_lon_vert(vbo, attr_id.pos, attr_id.nor, &v_idx, rad, lat + lat_inc, lon + lon_inc);
add_lat_lon_vert(vbo, attr_id.pos, attr_id.nor, &v_idx, rad, lat + lat_inc, lon);
add_lat_lon_vert(vbo, attr_id.pos, attr_id.nor, &v_idx, rad, lat, lon);
}
if (j != 0) { /* Pole */
add_lat_lon_vert(vbo, attr_id.pos, attr_id.nor, &v_idx, rad, lat, lon + lon_inc);
add_lat_lon_vert(vbo, attr_id.pos, attr_id.nor, &v_idx, rad, lat + lat_inc, lon + lon_inc);
add_lat_lon_vert(vbo, attr_id.pos, attr_id.nor, &v_idx, rad, lat, lon);
}
}
}
SHC.drw_bone_point = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
#else
# define CIRCLE_RESOL 64
float v[2];
const float radius = 0.05f;
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL);
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = radius * sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = radius * cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos, a, v);
}
SHC.drw_bone_point = GPU_batch_create_ex(GPU_PRIM_TRI_FAN, vbo, NULL, GPU_BATCH_OWNS_VBO);
# undef CIRCLE_RESOL
#endif
}
return SHC.drw_bone_point;
}
GPUBatch *DRW_cache_bone_point_wire_outline_get(void)
{
if (!SHC.drw_bone_point_wire) {
#if 0 /* old style geometry sphere */
GPUVertBuf *vbo = sphere_wire_vbo(0.05f);
SHC.drw_bone_point_wire = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
#else
# define CIRCLE_RESOL 64
float v0[2], v1[2];
const float radius = 0.05f;
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos0, pos1; } attr_id;
if (format.attr_len == 0) {
attr_id.pos0 = GPU_vertformat_attr_add(&format, "pos0", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.pos1 = GPU_vertformat_attr_add(&format, "pos1", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (CIRCLE_RESOL + 1) * 2);
v0[0] = radius * sinf((2.0f * M_PI * -1) / ((float)CIRCLE_RESOL));
v0[1] = radius * cosf((2.0f * M_PI * -1) / ((float)CIRCLE_RESOL));
uint v = 0;
for (int a = 0; a < CIRCLE_RESOL; a++) {
v1[0] = radius * sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v1[1] = radius * cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v++, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v++, v1);
copy_v2_v2(v0, v1);
}
v1[0] = 0.0f;
v1[1] = radius;
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v++, v1);
GPU_vertbuf_attr_set(vbo, attr_id.pos0, v, v0);
GPU_vertbuf_attr_set(vbo, attr_id.pos1, v++, v1);
SHC.drw_bone_point_wire = GPU_batch_create_ex(GPU_PRIM_TRI_STRIP, vbo, NULL, GPU_BATCH_OWNS_VBO);
# undef CIRCLE_RESOL
#endif
}
return SHC.drw_bone_point_wire;
}
/* keep in sync with armature_stick_vert.glsl */
#define COL_WIRE (1 << 0)
#define COL_HEAD (1 << 1)
#define COL_TAIL (1 << 2)
#define COL_BONE (1 << 3)
#define POS_HEAD (1 << 4)
#define POS_TAIL (1 << 5)
#define POS_BONE (1 << 6)
GPUBatch *DRW_cache_bone_stick_get(void)
{
if (!SHC.drw_bone_stick) {
#define CIRCLE_RESOL 12
uint v = 0;
uint flag;
const float radius = 2.0f; /* head/tail radius */
float pos[2];
/* Position Only 2D format */
static GPUVertFormat format = { 0 };
static struct { uint pos, flag; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.flag = GPU_vertformat_attr_add(&format, "flag", GPU_COMP_U32, 1, GPU_FETCH_INT);
}
const uint vcount = (CIRCLE_RESOL + 1) * 2 + 6;
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vcount);
GPUIndexBufBuilder elb;
GPU_indexbuf_init_ex(&elb, GPU_PRIM_TRI_FAN, (CIRCLE_RESOL + 2) * 2 + 6 + 2, vcount, true);
/* head/tail points */
for (int i = 0; i < 2; ++i) {
/* center vertex */
copy_v2_fl(pos, 0.0f);
flag = (i == 0) ? POS_HEAD : POS_TAIL;
flag |= (i == 0) ? COL_HEAD : COL_TAIL;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, pos);
GPU_vertbuf_attr_set(vbo, attr_id.flag, v, &flag);
GPU_indexbuf_add_generic_vert(&elb, v++);
/* circle vertices */
flag |= COL_WIRE;
for (int a = 0; a < CIRCLE_RESOL; a++) {
pos[0] = radius * sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
pos[1] = radius * cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, pos);
GPU_vertbuf_attr_set(vbo, attr_id.flag, v, &flag);
GPU_indexbuf_add_generic_vert(&elb, v++);
}
/* Close the circle */
GPU_indexbuf_add_generic_vert(&elb, v - CIRCLE_RESOL);
GPU_indexbuf_add_primitive_restart(&elb);
}
/* Bone rectangle */
pos[0] = 0.0f;
for (int i = 0; i < 6; ++i) {
pos[1] = (i == 0 || i == 3) ? 0.0f : ((i < 3) ? 1.0f : -1.0f);
flag = ((i < 2 || i > 4) ? POS_HEAD : POS_TAIL) |
((i == 0 || i == 3) ? 0 : COL_WIRE) | COL_BONE | POS_BONE;
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, pos);
GPU_vertbuf_attr_set(vbo, attr_id.flag, v, &flag);
GPU_indexbuf_add_generic_vert(&elb, v++);
}
SHC.drw_bone_stick = GPU_batch_create_ex(
GPU_PRIM_TRI_FAN, vbo, GPU_indexbuf_build(&elb),
GPU_BATCH_OWNS_VBO | GPU_BATCH_OWNS_INDEX);
#undef CIRCLE_RESOL
}
return SHC.drw_bone_stick;
}
static void set_bone_axis_vert(
GPUVertBuf *vbo, uint axis, uint pos, uint col,
uint *v, const float *a, const float *p, const float *c)
{
GPU_vertbuf_attr_set(vbo, axis, *v, a);
GPU_vertbuf_attr_set(vbo, pos, *v, p);
GPU_vertbuf_attr_set(vbo, col, *v, c);
*v += 1;
}
#define S_X 0.0215f
#define S_Y 0.025f
static float x_axis_name[4][2] = {
{ 0.9f * S_X, 1.0f * S_Y}, {-1.0f * S_X, -1.0f * S_Y},
{-0.9f * S_X, 1.0f * S_Y}, { 1.0f * S_X, -1.0f * S_Y},
};
#define X_LEN (sizeof(x_axis_name) / (sizeof(float) * 2))
#undef S_X
#undef S_Y
#define S_X 0.0175f
#define S_Y 0.025f
static float y_axis_name[6][2] = {
{-1.0f * S_X, 1.0f * S_Y}, { 0.0f * S_X, -0.1f * S_Y},
{ 1.0f * S_X, 1.0f * S_Y}, { 0.0f * S_X, -0.1f * S_Y},
{ 0.0f * S_X, -0.1f * S_Y}, { 0.0f * S_X, -1.0f * S_Y},
};
#define Y_LEN (sizeof(y_axis_name) / (sizeof(float) * 2))
#undef S_X
#undef S_Y
#define S_X 0.02f
#define S_Y 0.025f
static float z_axis_name[10][2] = {
{-0.95f * S_X, 1.00f * S_Y}, { 0.95f * S_X, 1.00f * S_Y},
{ 0.95f * S_X, 1.00f * S_Y}, { 0.95f * S_X, 0.90f * S_Y},
{ 0.95f * S_X, 0.90f * S_Y}, {-1.00f * S_X, -0.90f * S_Y},
{-1.00f * S_X, -0.90f * S_Y}, {-1.00f * S_X, -1.00f * S_Y},
{-1.00f * S_X, -1.00f * S_Y}, { 1.00f * S_X, -1.00f * S_Y},
};
#define Z_LEN (sizeof(z_axis_name) / (sizeof(float) * 2))
#undef S_X
#undef S_Y
#define S_X 0.007f
#define S_Y 0.007f
static float axis_marker[8][2] = {
#if 0 /* square */
{-1.0f * S_X, 1.0f * S_Y}, { 1.0f * S_X, 1.0f * S_Y},
{ 1.0f * S_X, 1.0f * S_Y}, { 1.0f * S_X, -1.0f * S_Y},
{ 1.0f * S_X, -1.0f * S_Y}, {-1.0f * S_X, -1.0f * S_Y},
{-1.0f * S_X, -1.0f * S_Y}, {-1.0f * S_X, 1.0f * S_Y}
#else /* diamond */
{-S_X, 0.f}, { 0.f, S_Y},
{ 0.f, S_Y}, { S_X, 0.f},
{ S_X, 0.f}, { 0.f, -S_Y},
{ 0.f, -S_Y}, {-S_X, 0.f}
#endif
};
#define MARKER_LEN (sizeof(axis_marker) / (sizeof(float) * 2))
#define MARKER_FILL_LAYER 6
#undef S_X
#undef S_Y
#define S_X 0.0007f
#define S_Y 0.0007f
#define O_X 0.001f
#define O_Y -0.001f
static float axis_name_shadow[8][2] = {
{-S_X + O_X, S_Y + O_Y}, { S_X + O_X, S_Y + O_Y},
{ S_X + O_X, S_Y + O_Y}, { S_X + O_X, -S_Y + O_Y},
{ S_X + O_X, -S_Y + O_Y}, {-S_X + O_X, -S_Y + O_Y},
{-S_X + O_X, -S_Y + O_Y}, {-S_X + O_X, S_Y + O_Y},
};
// #define SHADOW_RES (sizeof(axis_name_shadow) / (sizeof(float) * 2))
#define SHADOW_RES 0
#undef O_X
#undef O_Y
#undef S_X
#undef S_Y
GPUBatch *DRW_cache_bone_arrows_get(void)
{
if (!SHC.drw_bone_arrows) {
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint axis, pos, col; } attr_id;
if (format.attr_len == 0) {
attr_id.axis = GPU_vertformat_attr_add(&format, "axis", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
attr_id.pos = GPU_vertformat_attr_add(&format, "screenPos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.col = GPU_vertformat_attr_add(&format, "colorAxis", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
/* Line */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, (2 + MARKER_LEN * MARKER_FILL_LAYER) * 3 +
(X_LEN + Y_LEN + Z_LEN) * (1 + SHADOW_RES));
uint v = 0;
for (int axis = 0; axis < 3; axis++) {
float pos[2] = {0.0f, 0.0f};
float c[3] = {0.0f, 0.0f, 0.0f};
float a = 0.0f;
/* center to axis line */
set_bone_axis_vert(vbo, attr_id.axis, attr_id.pos, attr_id.col, &v, &a, pos, c);
c[axis] = 0.5f;
a = axis + 0.25f;
set_bone_axis_vert(vbo, attr_id.axis, attr_id.pos, attr_id.col, &v, &a, pos, c);
/* Axis end marker */
for (int j = 1; j < MARKER_FILL_LAYER + 1; ++j) {
for (int i = 0; i < MARKER_LEN; ++i) {
float tmp[2];
mul_v2_v2fl(tmp, axis_marker[i], j / (float)MARKER_FILL_LAYER);
set_bone_axis_vert(vbo, attr_id.axis, attr_id.pos, attr_id.col,
&v, &a, tmp, c);
}
}
a = axis + 0.31f;
/* Axis name */
int axis_v_len;
float (*axis_verts)[2];
if (axis == 0) {
axis_verts = x_axis_name;
axis_v_len = X_LEN;
}
else if (axis == 1) {
axis_verts = y_axis_name;
axis_v_len = Y_LEN;
}
else {
axis_verts = z_axis_name;
axis_v_len = Z_LEN;
}
/* Axis name shadows */
copy_v3_fl(c, 0.0f);
c[axis] = 0.3f;
for (int j = 0; j < SHADOW_RES; ++j) {
for (int i = 0; i < axis_v_len; ++i) {
float tmp[2];
add_v2_v2v2(tmp, axis_verts[i], axis_name_shadow[j]);
set_bone_axis_vert(vbo, attr_id.axis, attr_id.pos, attr_id.col,
&v, &a, tmp, c);
}
}
/* Axis name */
copy_v3_fl(c, 0.1f);
c[axis] = 1.0f;
for (int i = 0; i < axis_v_len; ++i) {
set_bone_axis_vert(vbo, attr_id.axis, attr_id.pos, attr_id.col,
&v, &a, axis_verts[i], c);
}
}
SHC.drw_bone_arrows = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_bone_arrows;
}
static const float staticSine[16] = {
0.0f, 0.104528463268f, 0.207911690818f, 0.309016994375f,
0.406736643076f, 0.5f, 0.587785252292f, 0.669130606359f,
0.743144825477f, 0.809016994375f, 0.866025403784f,
0.913545457643f, 0.951056516295f, 0.978147600734f,
0.994521895368f, 1.0f,
};
#define set_vert(a, b, quarter) \
copy_v2_fl2(pos, (quarter % 2 == 0) ? -(a) : (a), (quarter < 2) ? -(b) : (b)); \
GPU_vertbuf_attr_set(vbo, attr_id.pos, v++, pos);
GPUBatch *DRW_cache_bone_dof_sphere_get(void)
{
if (!SHC.drw_bone_dof_sphere) {
int i, j, q, n = ARRAY_SIZE(staticSine);
float x, z, px, pz, pos[2];
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, n * n * 6 * 4);
uint v = 0;
for (q = 0; q < 4; ++q) {
pz = 0.0f;
for (i = 1; i < n; ++i) {
z = staticSine[i];
px = 0.0f;
for (j = 1; j <= (n - i); ++j) {
x = staticSine[j];
if (j == n - i) {
set_vert(px, z, q);
set_vert(px, pz, q);
set_vert(x, pz, q);
}
else {
set_vert(x, z, q);
set_vert(x, pz, q);
set_vert(px, z, q);
set_vert(x, pz, q);
set_vert(px, pz, q);
set_vert(px, z, q);
}
px = x;
}
pz = z;
}
}
/* TODO alloc right count from the begining. */
GPU_vertbuf_data_resize(vbo, v);
SHC.drw_bone_dof_sphere = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_bone_dof_sphere;
}
GPUBatch *DRW_cache_bone_dof_lines_get(void)
{
if (!SHC.drw_bone_dof_lines) {
int i, n = ARRAY_SIZE(staticSine);
float pos[2];
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, n * 4);
uint v = 0;
for (i = 0; i < n * 4; i++) {
float a = (1.0f - (i / (float)(n * 4))) * 2.0f * M_PI;
float x = cosf(a);
float y = sinf(a);
set_vert(x, y, 0);
}
SHC.drw_bone_dof_lines = GPU_batch_create_ex(GPU_PRIM_LINE_LOOP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_bone_dof_lines;
}
#undef set_vert
/** \} */
/* -------------------------------------------------------------------- */
/** \name Camera
* \{ */
/**
* We could make these more generic functions.
* although filling 1d lines is not common.
*
* \note Use x coordinate to identify the vertex the vertex shader take care to place it appropriately.
*/
static const float camera_coords_frame_bounds[5] = {
0.0f, /* center point */
1.0f, /* + X + Y */
2.0f, /* + X - Y */
3.0f, /* - X - Y */
4.0f, /* - X + Y */
};
static const float camera_coords_frame_tri[3] = {
5.0f, /* tria + X */
6.0f, /* tria - X */
7.0f, /* tria + Y */
};
/** Draw a loop of lines. */
static void camera_fill_lines_loop_fl_v1(
GPUVertBufRaw *pos_step,
const float *coords, const uint coords_len)
{
for (uint i = 0, i_prev = coords_len - 1; i < coords_len; i_prev = i++) {
*((float *)GPU_vertbuf_raw_step(pos_step)) = coords[i_prev];
*((float *)GPU_vertbuf_raw_step(pos_step)) = coords[i];
}
}
/** Fan lines out from the first vertex. */
static void camera_fill_lines_fan_fl_v1(
GPUVertBufRaw *pos_step,
const float *coords, const uint coords_len)
{
for (uint i = 1; i < coords_len; i++) {
*((float *)GPU_vertbuf_raw_step(pos_step)) = coords[0];
*((float *)GPU_vertbuf_raw_step(pos_step)) = coords[i];
}
}
/** Simply fill the array. */
static void camera_fill_array_fl_v1(
GPUVertBufRaw *pos_step,
const float *coords, const uint coords_len)
{
for (uint i = 0; i < coords_len; i++) {
*((float *)GPU_vertbuf_raw_step(pos_step)) = coords[i];
}
}
GPUBatch *DRW_cache_camera_get(void)
{
if (!SHC.drw_camera) {
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = 22;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
GPUVertBufRaw pos_step;
GPU_vertbuf_attr_get_raw_data(vbo, attr_id.pos, &pos_step);
/* camera cone (from center to frame) */
camera_fill_lines_fan_fl_v1(&pos_step, camera_coords_frame_bounds, ARRAY_SIZE(camera_coords_frame_bounds));
/* camera frame (skip center) */
camera_fill_lines_loop_fl_v1(&pos_step, &camera_coords_frame_bounds[1], ARRAY_SIZE(camera_coords_frame_bounds) - 1);
/* camera triangle (above the frame) */
camera_fill_lines_loop_fl_v1(&pos_step, camera_coords_frame_tri, ARRAY_SIZE(camera_coords_frame_tri));
BLI_assert(vbo_len_capacity == GPU_vertbuf_raw_used(&pos_step));
SHC.drw_camera = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_camera;
}
GPUBatch *DRW_cache_camera_frame_get(void)
{
if (!SHC.drw_camera_frame) {
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = 8;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
GPUVertBufRaw pos_step;
GPU_vertbuf_attr_get_raw_data(vbo, attr_id.pos, &pos_step);
/* camera frame (skip center) */
camera_fill_lines_loop_fl_v1(&pos_step, &camera_coords_frame_bounds[1], ARRAY_SIZE(camera_coords_frame_bounds) - 1);
BLI_assert(vbo_len_capacity == GPU_vertbuf_raw_used(&pos_step));
SHC.drw_camera_frame = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_camera_frame;
}
GPUBatch *DRW_cache_camera_tria_get(void)
{
if (!SHC.drw_camera_tria) {
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
/* Vertices */
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = 3;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
GPUVertBufRaw pos_step;
GPU_vertbuf_attr_get_raw_data(vbo, attr_id.pos, &pos_step);
/* camera triangle (above the frame) */
camera_fill_array_fl_v1(&pos_step, camera_coords_frame_tri, ARRAY_SIZE(camera_coords_frame_tri));
BLI_assert(vbo_len_capacity == GPU_vertbuf_raw_used(&pos_step));
SHC.drw_camera_tria = GPU_batch_create_ex(GPU_PRIM_TRIS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_camera_tria;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Object Mode Helpers
* \{ */
/* Object Center */
GPUBatch *DRW_cache_single_vert_get(void)
{
if (!SHC.drw_single_vertice) {
float v1[3] = {0.0f, 0.0f, 0.0f};
/* Position Only 3D format */
static GPUVertFormat format = { 0 };
static struct { uint pos; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 1);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 0, v1);
SHC.drw_single_vertice = GPU_batch_create_ex(GPU_PRIM_POINTS, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_single_vertice;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Meshes
* \{ */
GPUBatch *DRW_cache_mesh_all_verts_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_all_verts(ob->data);
}
GPUBatch *DRW_cache_mesh_all_edges_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_all_edges(ob->data);
}
GPUBatch *DRW_cache_mesh_loose_edges_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_loose_edges(ob->data);
}
GPUBatch *DRW_cache_mesh_edge_detection_get(Object *ob, bool *r_is_manifold)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_edge_detection(ob->data, r_is_manifold);
}
GPUBatch *DRW_cache_mesh_surface_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface(ob->data);
}
GPUBatch *DRW_cache_mesh_surface_edges_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface_edges(ob->data);
}
/* Return list of batches with length equal to max(1, totcol). */
GPUBatch **DRW_cache_mesh_surface_shaded_get(
Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len,
char **auto_layer_names, int **auto_layer_is_srgb, int *auto_layer_count)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface_shaded(
ob->data, gpumat_array, gpumat_array_len,
auto_layer_names, auto_layer_is_srgb, auto_layer_count);
}
/* Return list of batches with length equal to max(1, totcol). */
GPUBatch **DRW_cache_mesh_surface_texpaint_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface_texpaint(ob->data);
}
GPUBatch *DRW_cache_mesh_surface_texpaint_single_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface_texpaint_single(ob->data);
}
GPUBatch *DRW_cache_mesh_surface_vertpaint_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface_vertpaint(ob->data);
}
GPUBatch *DRW_cache_mesh_surface_weights_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_surface_weights(ob->data);
}
GPUBatch *DRW_cache_mesh_face_wireframe_get(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
return DRW_mesh_batch_cache_get_wireframes_face(ob->data);
}
void DRW_cache_mesh_sculpt_coords_ensure(Object *ob)
{
BLI_assert(ob->type == OB_MESH);
Mesh *me = ob->data;
DRW_mesh_cache_sculpt_coords_ensure(me);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Curve
* \{ */
GPUBatch *DRW_cache_curve_edge_wire_get(Object *ob)
{
BLI_assert(ob->type == OB_CURVE);
struct Curve *cu = ob->data;
return DRW_curve_batch_cache_get_wire_edge(cu);
}
GPUBatch *DRW_cache_curve_edge_normal_get(Object *ob)
{
BLI_assert(ob->type == OB_CURVE);
struct Curve *cu = ob->data;
return DRW_curve_batch_cache_get_normal_edge(cu);
}
GPUBatch *DRW_cache_curve_edge_overlay_get(Object *ob)
{
BLI_assert(ELEM(ob->type, OB_CURVE, OB_SURF));
struct Curve *cu = ob->data;
return DRW_curve_batch_cache_get_edit_edges(cu);
}
GPUBatch *DRW_cache_curve_vert_overlay_get(Object *ob, bool handles)
{
BLI_assert(ELEM(ob->type, OB_CURVE, OB_SURF));
struct Curve *cu = ob->data;
return DRW_curve_batch_cache_get_edit_verts(cu, handles);
}
GPUBatch *DRW_cache_curve_surface_get(Object *ob)
{
BLI_assert(ob->type == OB_CURVE);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_surface(mesh_eval);
}
else {
return DRW_curve_batch_cache_get_triangles_with_normals(cu);
}
}
GPUBatch *DRW_cache_curve_loose_edges_get(Object *ob)
{
BLI_assert(ob->type == OB_CURVE);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_loose_edges(mesh_eval);
}
else {
/* TODO */
UNUSED_VARS(cu);
return NULL;
}
}
GPUBatch *DRW_cache_curve_face_wireframe_get(Object *ob)
{
BLI_assert(ob->type == OB_CURVE);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_wireframes_face(mesh_eval);
}
else {
return DRW_curve_batch_cache_get_wireframes_face(cu);
}
}
/* Return list of batches */
GPUBatch **DRW_cache_curve_surface_shaded_get(
Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len)
{
BLI_assert(ob->type == OB_CURVE);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_surface_shaded(mesh_eval, gpumat_array, gpumat_array_len, NULL, NULL, NULL);
}
else {
return DRW_curve_batch_cache_get_surface_shaded(cu, gpumat_array, gpumat_array_len);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name MetaBall
* \{ */
GPUBatch *DRW_cache_mball_surface_get(Object *ob)
{
BLI_assert(ob->type == OB_MBALL);
return DRW_metaball_batch_cache_get_triangles_with_normals(ob);
}
GPUBatch *DRW_cache_mball_face_wireframe_get(Object *ob)
{
BLI_assert(ob->type == OB_MBALL);
return DRW_metaball_batch_cache_get_wireframes_face(ob);
}
GPUBatch **DRW_cache_mball_surface_shaded_get(
Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len)
{
BLI_assert(ob->type == OB_MBALL);
MetaBall *mb = ob->data;
return DRW_metaball_batch_cache_get_surface_shaded(ob, mb, gpumat_array, gpumat_array_len);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Font
* \{ */
GPUBatch *DRW_cache_text_edge_wire_get(Object *ob)
{
BLI_assert(ob->type == OB_FONT);
struct Curve *cu = ob->data;
return DRW_curve_batch_cache_get_wire_edge(cu);
}
GPUBatch *DRW_cache_text_surface_get(Object *ob)
{
BLI_assert(ob->type == OB_FONT);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (cu->editfont && (cu->flag & CU_FAST)) {
return NULL;
}
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_surface(mesh_eval);
}
else {
return DRW_curve_batch_cache_get_triangles_with_normals(cu);
}
}
GPUBatch *DRW_cache_text_loose_edges_get(Object *ob)
{
BLI_assert(ob->type == OB_FONT);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (cu->editfont && (cu->flag & CU_FAST)) {
return NULL;
}
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_loose_edges(mesh_eval);
}
else {
/* TODO */
return NULL;
}
}
GPUBatch *DRW_cache_text_face_wireframe_get(Object *ob)
{
BLI_assert(ob->type == OB_FONT);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (cu->editfont && (cu->flag & CU_FAST)) {
return NULL;
}
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_wireframes_face(mesh_eval);
}
else {
return DRW_curve_batch_cache_get_wireframes_face(cu);
}
}
GPUBatch **DRW_cache_text_surface_shaded_get(
Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len)
{
BLI_assert(ob->type == OB_FONT);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (cu->editfont && (cu->flag & CU_FAST)) {
return NULL;
}
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_surface_shaded(mesh_eval, gpumat_array, gpumat_array_len, NULL, NULL, NULL);
}
else {
return DRW_curve_batch_cache_get_surface_shaded(cu, gpumat_array, gpumat_array_len);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Surface
* \{ */
GPUBatch *DRW_cache_surf_surface_get(Object *ob)
{
BLI_assert(ob->type == OB_SURF);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_surface(mesh_eval);
}
else {
return DRW_curve_batch_cache_get_triangles_with_normals(cu);
}
}
GPUBatch *DRW_cache_surf_edge_wire_get(Object *ob)
{
BLI_assert(ob->type == OB_SURF);
struct Curve *cu = ob->data;
return DRW_curve_batch_cache_get_wire_edge(cu);
}
GPUBatch *DRW_cache_surf_face_wireframe_get(Object *ob)
{
BLI_assert(ob->type == OB_SURF);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_wireframes_face(mesh_eval);
}
else {
return DRW_curve_batch_cache_get_wireframes_face(cu);
}
}
GPUBatch *DRW_cache_surf_loose_edges_get(Object *ob)
{
BLI_assert(ob->type == OB_SURF);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_loose_edges(mesh_eval);
}
else {
/* TODO */
UNUSED_VARS(cu);
return NULL;
}
}
/* Return list of batches */
GPUBatch **DRW_cache_surf_surface_shaded_get(
Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len)
{
BLI_assert(ob->type == OB_SURF);
struct Curve *cu = ob->data;
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
if (mesh_eval != NULL) {
return DRW_mesh_batch_cache_get_surface_shaded(mesh_eval, gpumat_array, gpumat_array_len, NULL, NULL, NULL);
}
else {
return DRW_curve_batch_cache_get_surface_shaded(cu, gpumat_array, gpumat_array_len);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Lattice
* \{ */
GPUBatch *DRW_cache_lattice_verts_get(Object *ob)
{
BLI_assert(ob->type == OB_LATTICE);
struct Lattice *lt = ob->data;
return DRW_lattice_batch_cache_get_all_verts(lt);
}
GPUBatch *DRW_cache_lattice_wire_get(Object *ob, bool use_weight)
{
BLI_assert(ob->type == OB_LATTICE);
Lattice *lt = ob->data;
int actdef = -1;
if (use_weight && ob->defbase.first && lt->editlatt->latt->dvert) {
actdef = ob->actdef - 1;
}
return DRW_lattice_batch_cache_get_all_edges(lt, use_weight, actdef);
}
GPUBatch *DRW_cache_lattice_vert_overlay_get(Object *ob)
{
BLI_assert(ob->type == OB_LATTICE);
struct Lattice *lt = ob->data;
return DRW_lattice_batch_cache_get_edit_verts(lt);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Particles
* \{ */
GPUBatch *DRW_cache_particles_get_hair(Object *object, ParticleSystem *psys, ModifierData *md)
{
return DRW_particles_batch_cache_get_hair(object, psys, md);
}
GPUBatch *DRW_cache_particles_get_dots(Object *object, ParticleSystem *psys)
{
return DRW_particles_batch_cache_get_dots(object, psys);
}
GPUBatch *DRW_cache_particles_get_edit_strands(
Object *object,
ParticleSystem *psys,
struct PTCacheEdit *edit,
bool use_weight)
{
return DRW_particles_batch_cache_get_edit_strands(object, psys, edit, use_weight);
}
GPUBatch *DRW_cache_particles_get_edit_inner_points(
Object *object,
ParticleSystem *psys,
struct PTCacheEdit *edit)
{
return DRW_particles_batch_cache_get_edit_inner_points(object, psys, edit);
}
GPUBatch *DRW_cache_particles_get_edit_tip_points(
Object *object,
ParticleSystem *psys,
struct PTCacheEdit *edit)
{
return DRW_particles_batch_cache_get_edit_tip_points(object, psys, edit);
}
GPUBatch *DRW_cache_particles_get_prim(int type)
{
switch (type) {
case PART_DRAW_CROSS:
if (!SHC.drw_particle_cross) {
static GPUVertFormat format = { 0 };
static uint pos_id, axis_id;
if (format.attr_len == 0) {
pos_id = GPU_vertformat_attr_add(&format, "inst_pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
axis_id = GPU_vertformat_attr_add(&format, "axis", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 6);
/* X axis */
float co[3] = {-1.0f, 0.0f, 0.0f};
int axis = -1;
GPU_vertbuf_attr_set(vbo, pos_id, 0, co);
GPU_vertbuf_attr_set(vbo, axis_id, 0, &axis);
co[0] = 1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 1, co);
GPU_vertbuf_attr_set(vbo, axis_id, 1, &axis);
/* Y axis */
co[0] = 0.0f;
co[1] = -1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 2, co);
GPU_vertbuf_attr_set(vbo, axis_id, 2, &axis);
co[1] = 1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 3, co);
GPU_vertbuf_attr_set(vbo, axis_id, 3, &axis);
/* Z axis */
co[1] = 0.0f;
co[2] = -1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 4, co);
GPU_vertbuf_attr_set(vbo, axis_id, 4, &axis);
co[2] = 1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 5, co);
GPU_vertbuf_attr_set(vbo, axis_id, 5, &axis);
SHC.drw_particle_cross = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_particle_cross;
case PART_DRAW_AXIS:
if (!SHC.drw_particle_axis) {
static GPUVertFormat format = { 0 };
static uint pos_id, axis_id;
if (format.attr_len == 0) {
pos_id = GPU_vertformat_attr_add(&format, "inst_pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
axis_id = GPU_vertformat_attr_add(&format, "axis", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, 6);
/* X axis */
float co[3] = {0.0f, 0.0f, 0.0f};
int axis = 0;
GPU_vertbuf_attr_set(vbo, pos_id, 0, co);
GPU_vertbuf_attr_set(vbo, axis_id, 0, &axis);
co[0] = 1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 1, co);
GPU_vertbuf_attr_set(vbo, axis_id, 1, &axis);
/* Y axis */
co[0] = 0.0f;
axis = 1;
GPU_vertbuf_attr_set(vbo, pos_id, 2, co);
GPU_vertbuf_attr_set(vbo, axis_id, 2, &axis);
co[1] = 1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 3, co);
GPU_vertbuf_attr_set(vbo, axis_id, 3, &axis);
/* Z axis */
co[1] = 0.0f;
axis = 2;
GPU_vertbuf_attr_set(vbo, pos_id, 4, co);
GPU_vertbuf_attr_set(vbo, axis_id, 4, &axis);
co[2] = 1.0f;
GPU_vertbuf_attr_set(vbo, pos_id, 5, co);
GPU_vertbuf_attr_set(vbo, axis_id, 5, &axis);
SHC.drw_particle_axis = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_particle_axis;
case PART_DRAW_CIRC:
#define CIRCLE_RESOL 32
if (!SHC.drw_particle_circle) {
float v[3] = {0.0f, 0.0f, 0.0f};
int axis = -1;
static GPUVertFormat format = { 0 };
static uint pos_id, axis_id;
if (format.attr_len == 0) {
pos_id = GPU_vertformat_attr_add(&format, "inst_pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
axis_id = GPU_vertformat_attr_add(&format, "axis", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, CIRCLE_RESOL);
for (int a = 0; a < CIRCLE_RESOL; a++) {
v[0] = sinf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[1] = cosf((2.0f * M_PI * a) / ((float)CIRCLE_RESOL));
v[2] = 0.0f;
GPU_vertbuf_attr_set(vbo, pos_id, a, v);
GPU_vertbuf_attr_set(vbo, axis_id, a, &axis);
}
SHC.drw_particle_circle = GPU_batch_create_ex(GPU_PRIM_LINE_LOOP, vbo, NULL, GPU_BATCH_OWNS_VBO);
}
return SHC.drw_particle_circle;
#undef CIRCLE_RESOL
default:
BLI_assert(false);
break;
}
return NULL;
}
/* 3D cursor */
GPUBatch *DRW_cache_cursor_get(bool crosshair_lines)
{
GPUBatch **drw_cursor = crosshair_lines ? &SHC.drw_cursor : &SHC.drw_cursor_only_circle;
if (*drw_cursor == NULL) {
const float f5 = 0.25f;
const float f10 = 0.5f;
const float f20 = 1.0f;
const int segments = 16;
const int vert_len = segments + 8;
const int index_len = vert_len + 5;
uchar red[3] = {255, 0, 0};
uchar white[3] = {255, 255, 255};
static GPUVertFormat format = { 0 };
static struct { uint pos, color; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
attr_id.color = GPU_vertformat_attr_add(&format, "color", GPU_COMP_U8, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPUIndexBufBuilder elb;
GPU_indexbuf_init_ex(&elb, GPU_PRIM_LINE_STRIP, index_len, vert_len, true);
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vert_len);
int v = 0;
for (int i = 0; i < segments; ++i) {
float angle = (float)(2 * M_PI) * ((float)i / (float)segments);
float x = f10 * cosf(angle);
float y = f10 * sinf(angle);
GPU_vertbuf_attr_set(vbo, attr_id.color, v, (i % 2 == 0) ? red : white);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){x, y});
GPU_indexbuf_add_generic_vert(&elb, v++);
}
GPU_indexbuf_add_generic_vert(&elb, 0);
if (crosshair_lines) {
uchar crosshair_color[3];
UI_GetThemeColor3ubv(TH_VIEW_OVERLAY, crosshair_color);
GPU_indexbuf_add_primitive_restart(&elb);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){-f20, 0});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){-f5, 0});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_indexbuf_add_primitive_restart(&elb);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){+f5, 0});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){+f20, 0});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_indexbuf_add_primitive_restart(&elb);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){0, -f20});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){0, -f5});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_indexbuf_add_primitive_restart(&elb);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){0, +f5});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
GPU_vertbuf_attr_set(vbo, attr_id.pos, v, (const float[2]){0, +f20});
GPU_vertbuf_attr_set(vbo, attr_id.color, v, crosshair_color);
GPU_indexbuf_add_generic_vert(&elb, v++);
}
GPUIndexBuf *ibo = GPU_indexbuf_build(&elb);
*drw_cursor = GPU_batch_create_ex(GPU_PRIM_LINE_STRIP, vbo, ibo, GPU_BATCH_OWNS_VBO | GPU_BATCH_OWNS_INDEX);
}
return *drw_cursor;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Batch Cache Impl. common
* \{ */
GPUBatch *DRW_batch_request(GPUBatch **batch)
{
/* XXX TODO(fclem): We are writting to batch cache here. Need to make this thread safe. */
if (*batch == NULL) {
*batch = MEM_callocN(sizeof(GPUBatch), "GPUBatch");
}
return *batch;
}
bool DRW_batch_requested(GPUBatch *batch, int prim_type)
{
/* Batch has been requested if it has been created but not initialized. */
if (batch != NULL && batch->verts[0] == NULL) {
/* HACK. We init without a valid VBO and let the first vbo binding
* fill verts[0]. */
GPU_batch_init_ex(batch, prim_type, (GPUVertBuf *)1, NULL, 0);
batch->verts[0] = NULL;
return true;
}
return false;
}
void DRW_ibo_request(GPUBatch *batch, GPUIndexBuf **ibo)
{
if (*ibo == NULL) {
*ibo = MEM_callocN(sizeof(GPUIndexBuf), "GPUIndexBuf");
}
GPU_batch_vao_cache_clear(batch);
batch->elem = *ibo;
}
bool DRW_ibo_requested(GPUIndexBuf *ibo)
{
/* TODO do not rely on data uploaded. This prevents multithreading.
* (need access to a gl context) */
return (ibo != NULL && ibo->ibo_id == 0 && ibo->data == NULL);
}
void DRW_vbo_request(GPUBatch *batch, GPUVertBuf **vbo)
{
if (*vbo == NULL) {
*vbo = MEM_callocN(sizeof(GPUVertBuf), "GPUVertBuf");
}
/* HACK set first vbo if not init. */
if (batch->verts[0] == NULL) {
GPU_batch_vao_cache_clear(batch);
batch->verts[0] = *vbo;
}
else {
/* HACK: bypass assert */
int vbo_vert_len = (*vbo)->vertex_len;
(*vbo)->vertex_len = batch->verts[0]->vertex_len;
GPU_batch_vertbuf_add(batch, *vbo);
(*vbo)->vertex_len = vbo_vert_len;
}
}
bool DRW_vbo_requested(GPUVertBuf *vbo)
{
return (vbo != NULL && vbo->format.attr_len == 0);
}
void drw_batch_cache_generate_requested(Object *ob)
{
const DRWContextState *draw_ctx = DRW_context_state_get();
const ToolSettings *ts = draw_ctx->scene->toolsettings;
const int mode = CTX_data_mode_enum_ex(draw_ctx->object_edit, draw_ctx->obact, draw_ctx->object_mode);
const bool is_paint_mode = ELEM(mode, CTX_MODE_PAINT_TEXTURE, CTX_MODE_PAINT_VERTEX, CTX_MODE_PAINT_WEIGHT);
const bool use_hide = (
(ob->type == OB_MESH) &&
((is_paint_mode && (ob == draw_ctx->obact) &&
(BKE_paint_select_face_test(ob) || BKE_paint_select_vert_test(ob))) ||
((mode == CTX_MODE_EDIT_MESH) && BKE_object_is_in_editmode(ob))));
struct Mesh *mesh_eval = ob->runtime.mesh_eval;
switch (ob->type) {
case OB_MESH:
DRW_mesh_batch_cache_create_requested(ob, (Mesh *)ob->data, ts, is_paint_mode, use_hide);
break;
case OB_CURVE:
case OB_FONT:
case OB_SURF:
if (mesh_eval) {
DRW_mesh_batch_cache_create_requested(ob, mesh_eval, ts, is_paint_mode, use_hide);
}
DRW_curve_batch_cache_create_requested(ob);
break;
/* TODO all cases */
default:
break;
}
}
/** \} */
View Git Blame Copy Permalink