#include "DNA_curve_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_screen_types.h"
#include "BKE_deform.h"
#include "BKE_gpencil.h"
#include "BKE_gpencil_geom.h"
#include "DRW_engine.h"
#include "DRW_render.h"
#include "ED_gpencil.h"
#include "GPU_batch.h"
#include "DEG_depsgraph_query.h"
#include "BLI_hash.h"
#include "BLI_polyfill_2d.h"
#include "draw_cache.h"
#include "draw_cache_impl.h"

Classes
struct	GpencilBatchCache

struct	gpStrokeVert

struct	gpEditVert

struct	gpEditCurveVert

struct	gpColorVert

struct	gpIterData

struct	gpEditIterData

struct	gpEditCurveIterData

Macros
#define	BEZIER_HANDLE (1 << 3)

#define	COLOR_SHIFT 5

#define	GP_EDIT_POINT_SELECTED (1 << 0)

#define	GP_EDIT_STROKE_SELECTED (1 << 1)

#define	GP_EDIT_MULTIFRAME (1 << 2)

#define	GP_EDIT_STROKE_START (1 << 3)

#define	GP_EDIT_STROKE_END (1 << 4)

#define	GP_EDIT_POINT_DIMMED (1 << 5)

Typedefs
typedef struct GpencilBatchCache	GpencilBatchCache

typedef struct gpEditIterData	gpEditIterData

typedef struct gpEditCurveIterData	gpEditCurveIterData

Functions
static bool	gpencil_batch_cache_valid (GpencilBatchCache cache, bGPdata gpd, int cfra)

static GpencilBatchCache *	gpencil_batch_cache_init (Object *ob, int cfra)

static void	gpencil_batch_cache_clear (GpencilBatchCache *cache)

static GpencilBatchCache *	gpencil_batch_cache_get (Object *ob, int cfra)

void	DRW_gpencil_batch_cache_dirty_tag (bGPdata *gpd)

void	DRW_gpencil_batch_cache_free (bGPdata *gpd)

static uint32_t	gpencil_point_edit_flag (const bool layer_lock, const bGPDspoint *pt, int v, int v_len)

static float	gpencil_point_edit_weight (const MDeformVert *dvert, int v, int vgindex)

static void	gpencil_edit_stroke_iter_cb (bGPDlayer gpl, bGPDframe gpf, bGPDstroke gps, void thunk)

static void	gpencil_edit_curve_stroke_count_cb (bGPDlayer gpl, bGPDframe UNUSED(gpf), bGPDstroke gps, void thunk)

static uint32_t	gpencil_beztriple_vflag_get (char flag, char col_id, bool handle_point, const bool handle_selected)

static void	gpencil_edit_curve_stroke_iter_cb (bGPDlayer gpl, bGPDframe UNUSED(gpf), bGPDstroke gps, void thunk)

static void	gpencil_edit_batches_ensure (Object ob, GpencilBatchCache cache, int cfra)

GPUBatch *	DRW_cache_gpencil_edit_lines_get (Object *ob, int cfra)

GPUBatch *	DRW_cache_gpencil_edit_points_get (Object *ob, int cfra)

GPUBatch *	DRW_cache_gpencil_edit_curve_handles_get (Object *ob, int cfra)

GPUBatch *	DRW_cache_gpencil_edit_curve_points_get (Object *ob, int cfra)

Sbuffer stroke batches.
bGPDstroke *	DRW_cache_gpencil_sbuffer_stroke_data_get (Object *ob)

static void	gpencil_sbuffer_stroke_ensure (bGPdata *gpd, bool do_stroke, bool do_fill)

GPUBatch *	DRW_cache_gpencil_sbuffer_stroke_get (Object *ob)

GPUBatch *	DRW_cache_gpencil_sbuffer_fill_get (Object *ob)

void	DRW_cache_gpencil_sbuffer_clear (Object *ob)

Vertex Formats.
typedef struct gpStrokeVert	gpStrokeVert

typedef struct gpEditVert	gpEditVert

typedef struct gpEditCurveVert	gpEditCurveVert

typedef struct gpColorVert	gpColorVert

static GPUVertFormat *	gpencil_stroke_format (void)

static GPUVertFormat *	gpencil_edit_stroke_format (void)

static GPUVertFormat *	gpencil_edit_curve_format (void)

static GPUVertFormat *	gpencil_color_format (void)

Vertex Buffers.
typedef struct gpIterData	gpIterData

static GPUVertBuf *	gpencil_dummy_buffer_get (void)

static int	gpencil_stroke_is_cyclic (const bGPDstroke *gps)

BLI_INLINE int32_t	pack_rotation_aspect_hardness (float rot, float asp, float hard)

static void	gpencil_buffer_add_point (gpStrokeVert verts, gpColorVert cols, const bGPDstroke gps, const bGPDspoint pt, int v, bool is_endpoint)

static void	gpencil_buffer_add_stroke (gpStrokeVert verts, gpColorVert cols, const bGPDstroke *gps)

static void	gpencil_buffer_add_fill (GPUIndexBufBuilder ibo, const bGPDstroke gps)

static void	gpencil_stroke_iter_cb (bGPDlayer UNUSED(gpl), bGPDframe UNUSED(gpf), bGPDstroke gps, void thunk)

static void	gpencil_object_verts_count_cb (bGPDlayer UNUSED(gpl), bGPDframe UNUSED(gpf), bGPDstroke gps, void thunk)

static void	gpencil_batches_ensure (Object ob, GpencilBatchCache cache, int cfra)

GPUBatch *	DRW_cache_gpencil_strokes_get (Object *ob, int cfra)

GPUBatch *	DRW_cache_gpencil_fills_get (Object *ob, int cfra)

static void	gpencil_lines_indices_cb (bGPDlayer UNUSED(gpl), bGPDframe UNUSED(gpf), bGPDstroke gps, void thunk)

GPUBatch *	DRW_cache_gpencil_face_wireframe_get (Object *ob)