Curve API for render engines. More...

#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BLI_utildefines.h"
#include "DNA_curve_types.h"
#include "BKE_curve.h"
#include "BKE_displist.h"
#include "BKE_font.h"
#include "GPU_batch.h"
#include "GPU_capabilities.h"
#include "GPU_material.h"
#include "GPU_texture.h"
#include "UI_resources.h"
#include "DRW_render.h"
#include "draw_cache_inline.h"
#include "draw_cache_impl.h"

Classes
struct	CurveRenderData

struct	CurveBatchCache

Macros
#define	SELECT 1

#define	ACTIVE_NURB (1 << 2)

#define	BEZIER_HANDLE (1 << 3)

#define	EVEN_U_BIT (1 << 4) /* Alternate this bit for every U vert. */

#define	COLOR_SHIFT 5

Typedefs
typedef struct CurveRenderData	CurveRenderData

typedef struct CurveBatchCache	CurveBatchCache

Enumerations
enum	{ COLOR_NURB_ULINE_ID = TH_HANDLE_AUTOCLAMP - TH_HANDLE_FREE + 2 , TOT_HANDLE_COL }

enum	{ CU_DATATYPE_WIRE = 1 << 0 , CU_DATATYPE_OVERLAY = 1 << 1 , CU_DATATYPE_NORMAL = 1 << 2 , CU_DATATYPE_SURFACE = 1 << 3 , CU_DATATYPE_TEXT_SELECT = 1 << 4 }

Functions
static void	curve_batch_cache_clear (Curve *cu)

static void	curve_render_overlay_verts_edges_len_get (ListBase lb, int r_vert_len, int *r_edge_len)

static void	curve_render_wire_verts_edges_len_get (const CurveCache ob_curve_cache, int r_curve_len, int r_vert_len, int r_edge_len)

static int	curve_render_normal_len_get (const ListBase lb, const CurveCache ob_curve_cache)

static CurveRenderData *	curve_render_data_create (Curve cu, CurveCache ob_curve_cache, const int types)

static void	curve_render_data_free (CurveRenderData *rdata)

static int	curve_render_data_overlay_verts_len_get (const CurveRenderData *rdata)

static int	curve_render_data_overlay_edges_len_get (const CurveRenderData *rdata)

static int	curve_render_data_wire_verts_len_get (const CurveRenderData *rdata)

static int	curve_render_data_wire_edges_len_get (const CurveRenderData *rdata)

static int	curve_render_data_wire_curve_len_get (const CurveRenderData *rdata)

static int	curve_render_data_normal_len_get (const CurveRenderData *rdata)

static void	curve_cd_calc_used_gpu_layers (CustomDataMask cd_layers, struct GPUMaterial *gpumat_array, int gpumat_array_len)

static bool	curve_batch_cache_valid (Curve *cu)

static void	curve_batch_cache_init (Curve *cu)

void	DRW_curve_batch_cache_validate (Curve *cu)

static CurveBatchCache *	curve_batch_cache_get (Curve *cu)

void	DRW_curve_batch_cache_dirty_tag (Curve *cu, int mode)

void	DRW_curve_batch_cache_free (Curve *cu)

Private Curve Cache API
static void	curve_create_curves_pos (CurveRenderData rdata, GPUVertBuf vbo_curves_pos)

static void	curve_create_curves_lines (CurveRenderData rdata, GPUIndexBuf ibo_curve_lines)

static void	curve_create_edit_curves_nor (CurveRenderData rdata, GPUVertBuf vbo_curves_nor, const Scene *scene)

static uint8_t	beztriple_vflag_get (CurveRenderData *rdata, uint8_t flag, uint8_t col_id, int v_idx, int nu_id, bool handle_point, const bool handle_selected)

static uint8_t	bpoint_vflag_get (CurveRenderData *rdata, uint8_t flag, int v_idx, int nu_id, int u)

static void	curve_create_edit_data_and_handles (CurveRenderData rdata, GPUVertBuf vbo_pos, GPUVertBuf vbo_data, GPUIndexBuf ibo_edit_verts_points, GPUIndexBuf *ibo_edit_lines)

Public Object/Curve API
GPUBatch *	DRW_curve_batch_cache_get_wire_edge (Curve *cu)

GPUBatch *	DRW_curve_batch_cache_get_normal_edge (Curve *cu)

GPUBatch *	DRW_curve_batch_cache_get_edit_edges (Curve *cu)

GPUBatch *	DRW_curve_batch_cache_get_edit_verts (Curve *cu)

GPUBatch *	DRW_curve_batch_cache_get_triangles_with_normals (struct Curve *cu)

GPUBatch **	DRW_curve_batch_cache_get_surface_shaded (struct Curve cu, struct GPUMaterial *gpumat_array, uint gpumat_array_len)

GPUVertBuf *	DRW_curve_batch_cache_pos_vertbuf_get (struct Curve *cu)

GPUBatch *	DRW_curve_batch_cache_get_wireframes_face (Curve *cu)

GPUBatch *	DRW_curve_batch_cache_get_edge_detection (Curve cu, bool r_is_manifold)

int	DRW_curve_material_count_get (Curve *cu)

Grouped batch generation
void	DRW_curve_batch_cache_create_requested (Object ob, const struct Scene scene)

Detailed Description

Curve API for render engines.

Definition in file draw_cache_impl_curve.c.

Macro Definition Documentation

◆ ACTIVE_NURB

#define ACTIVE_NURB (1 << 2)

Definition at line 53 of file draw_cache_impl_curve.c.

◆ BEZIER_HANDLE

#define BEZIER_HANDLE (1 << 3)

Definition at line 54 of file draw_cache_impl_curve.c.

◆ COLOR_SHIFT

#define COLOR_SHIFT 5

Definition at line 56 of file draw_cache_impl_curve.c.

◆ EVEN_U_BIT

#define EVEN_U_BIT (1 << 4) /* Alternate this bit for every U vert. */

Definition at line 55 of file draw_cache_impl_curve.c.

◆ SELECT

#define SELECT 1

Definition at line 52 of file draw_cache_impl_curve.c.

Typedef Documentation

◆ CurveBatchCache

typedef struct CurveBatchCache CurveBatchCache

◆ CurveRenderData

typedef struct CurveRenderData CurveRenderData

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
COLOR_NURB_ULINE_ID
TOT_HANDLE_COL

Definition at line 59 of file draw_cache_impl_curve.c.

◆ anonymous enum

anonymous enum

Enumerator
CU_DATATYPE_WIRE
CU_DATATYPE_OVERLAY
CU_DATATYPE_NORMAL
CU_DATATYPE_SURFACE
CU_DATATYPE_TEXT_SELECT

Definition at line 203 of file draw_cache_impl_curve.c.

Function Documentation

◆ beztriple_vflag_get()

static uint8_t beztriple_vflag_get	(	CurveRenderData *	rdata,
		uint8_t	flag,
		uint8_t	col_id,
		int	v_idx,
		int	nu_id,
		bool	handle_point,
		const bool	handle_selected
	)

static

Definition at line 712 of file draw_cache_impl_curve.c.

References ACTIVE_NURB, CurveRenderData::actnu, CurveRenderData::actvert, BEZIER_HANDLE, BLI_assert, COLOR_SHIFT, SELECT, SET_FLAG_FROM_TEST, VFLAG_VERT_ACTIVE, VFLAG_VERT_SELECTED, and VFLAG_VERT_SELECTED_BEZT_HANDLE.

Referenced by curve_create_edit_data_and_handles().

◆ bpoint_vflag_get()

static uint8_t bpoint_vflag_get	(	CurveRenderData *	rdata,
		uint8_t	flag,
		int	v_idx,
		int	nu_id,
		int	u
	)

static

Definition at line 733 of file draw_cache_impl_curve.c.

References ACTIVE_NURB, CurveRenderData::actnu, CurveRenderData::actvert, BLI_assert, COLOR_NURB_ULINE_ID, COLOR_SHIFT, EVEN_U_BIT, SELECT, SET_FLAG_FROM_TEST, VFLAG_VERT_ACTIVE, and VFLAG_VERT_SELECTED.

Referenced by curve_create_edit_data_and_handles().

◆ curve_batch_cache_clear()

static void curve_batch_cache_clear ( Curve * cu )

static

TODO

Ensure CurveCache, SEQUENCER_DAG_WORKAROUND.
Check number of verts/edges to see if cache is valid.
Check if 'overlay.edges' can use single attribute per edge, not 2 (for selection drawing).

Definition at line 509 of file draw_cache_impl_curve.c.

References CurveBatchCache::batch, batch, Curve::batch_cache, CurveBatchCache::cd_used, CurveBatchCache::edit, GPU_BATCH_DISCARD_SAFE, GPU_INDEXBUF_DISCARD_SAFE, GPU_VERTBUF_DISCARD_SAFE, GPUBatch, CurveBatchCache::ibo, CurveBatchCache::mat_len, MEM_SAFE_FREE, CurveBatchCache::ordered, CurveBatchCache::surf_per_mat, and CurveBatchCache::surf_per_mat_tris.

Referenced by DRW_curve_batch_cache_free(), and DRW_curve_batch_cache_validate().

◆ curve_batch_cache_get()

static CurveBatchCache* curve_batch_cache_get ( Curve * cu )

static

Definition at line 483 of file draw_cache_impl_curve.c.

References Curve::batch_cache.

Referenced by DRW_curve_batch_cache_create_requested(), DRW_curve_batch_cache_get_edge_detection(), DRW_curve_batch_cache_get_edit_edges(), DRW_curve_batch_cache_get_edit_verts(), DRW_curve_batch_cache_get_normal_edge(), DRW_curve_batch_cache_get_surface_shaded(), DRW_curve_batch_cache_get_triangles_with_normals(), DRW_curve_batch_cache_get_wire_edge(), DRW_curve_batch_cache_get_wireframes_face(), and DRW_curve_batch_cache_pos_vertbuf_get().

◆ curve_batch_cache_init()

static void curve_batch_cache_init ( Curve * cu )

static

Definition at line 442 of file draw_cache_impl_curve.c.

References Curve::batch_cache, CurveBatchCache::cd_used, DRW_curve_material_count_get(), Curve::editfont, Curve::editnurb, CurveBatchCache::is_dirty, CurveBatchCache::is_editmode, CurveBatchCache::mat_len, MEM_callocN, NULL, Curve::nurb, EditNurb::nurbs, CurveBatchCache::surf_per_mat, and CurveBatchCache::surf_per_mat_tris.

Referenced by DRW_curve_batch_cache_validate().

◆ curve_batch_cache_valid()

static bool curve_batch_cache_valid ( Curve * cu )

static

Definition at line 413 of file draw_cache_impl_curve.c.

References Curve::batch_cache, DRW_curve_material_count_get(), Curve::editfont, Curve::editnurb, CurveBatchCache::is_dirty, CurveBatchCache::is_editmode, CurveBatchCache::mat_len, and NULL.

Referenced by DRW_curve_batch_cache_validate().

◆ curve_cd_calc_used_gpu_layers()

static void curve_cd_calc_used_gpu_layers	(	CustomDataMask *	cd_layers,
		struct GPUMaterial **	gpumat_array,
		int	gpumat_array_len
	)

static

Definition at line 311 of file draw_cache_impl_curve.c.

References CD_AUTO_FROM_NAME, CD_MASK_MLOOPUV, CD_MASK_ORCO, CD_MASK_TANGENT, CD_MCOL, CD_MTFACE, CD_ORCO, CD_TANGENT, GPU_material_attributes(), LISTBASE_FOREACH, GPUMaterial::name, NULL, and type.

Referenced by DRW_curve_batch_cache_get_surface_shaded().

◆ curve_create_curves_lines()

static void curve_create_curves_lines	(	CurveRenderData *	rdata,
		GPUIndexBuf *	ibo_curve_lines
	)

static

◆ curve_create_curves_pos()

static void curve_create_curves_pos	(	CurveRenderData *	rdata,
		GPUVertBuf *	vbo_curves_pos
	)

static

Definition at line 554 of file draw_cache_impl_curve.c.

References attr_id, CurveCache::bev, BLI_assert, curve_render_data_wire_verts_len_get(), CurveCache::disp, DL_POLY, DL_SEGM, ELEM, GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_vertbuf_attr_set(), GPU_vertbuf_data_alloc(), GPU_vertbuf_init_with_format, GPU_vertformat_attr_add(), LISTBASE_FOREACH, NULL, CurveRenderData::ob_curve_cache, and pos.

Referenced by DRW_curve_batch_cache_create_requested().

◆ curve_create_edit_curves_nor()

static void curve_create_edit_curves_nor	(	CurveRenderData *	rdata,
		GPUVertBuf *	vbo_curves_nor,
		const Scene *	scene
	)

static

◆ curve_create_edit_data_and_handles()

static void curve_create_edit_data_and_handles	(	CurveRenderData *	rdata,
		GPUVertBuf *	vbo_pos,
		GPUVertBuf *	vbo_data,
		GPUIndexBuf *	ibo_edit_verts_points,
		GPUIndexBuf *	ibo_edit_lines
	)