Differential D2889 Diff 11446 source/blender/editors/gpencil/annotate_draw.c

Changeset View

Standalone View

source/blender/editors/gpencil/annotate_draw.c

This file was copied from source/blender/editors/gpencil/drawgpencil.c.

Show All 17 Lines
* The Original Code is Copyright (C) 2008, Blender Foundation		* The Original Code is Copyright (C) 2008, Blender Foundation
* This is a new part of Blender		* This is a new part of Blender
*		*
* Contributor(s): Joshua Leung, Antonio Vazquez		* Contributor(s): Joshua Leung, Antonio Vazquez
*		*
* *** END GPL LICENSE BLOCK ***		* *** END GPL LICENSE BLOCK ***
*/		*/

/** \file blender/editors/gpencil/drawgpencil.c		/** \file blender/editors/gpencil/annotate_draw.c
* \ingroup edgpencil		* \ingroup edgpencil
*/		*/


#include <stdio.h>		#include <stdio.h>
#include <string.h>		#include <string.h>
#include <stdlib.h>		#include <stdlib.h>
#include <stddef.h>		#include <stddef.h>
▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines
typedef enum eDrawStrokeFlags {		typedef enum eDrawStrokeFlags {
GP_DRAWDATA_NOSTATUS = (1 << 0), /* don't draw status info */		GP_DRAWDATA_NOSTATUS = (1 << 0), /* don't draw status info */
GP_DRAWDATA_ONLY3D = (1 << 1), /* only draw 3d-strokes */		GP_DRAWDATA_ONLY3D = (1 << 1), /* only draw 3d-strokes */
GP_DRAWDATA_ONLYV2D = (1 << 2), /* only draw 'canvas' strokes */		GP_DRAWDATA_ONLYV2D = (1 << 2), /* only draw 'canvas' strokes */
GP_DRAWDATA_ONLYI2D = (1 << 3), /* only draw 'image' strokes */		GP_DRAWDATA_ONLYI2D = (1 << 3), /* only draw 'image' strokes */
GP_DRAWDATA_IEDITHACK = (1 << 4), /* special hack for drawing strokes in Image Editor (weird coordinates) */		GP_DRAWDATA_IEDITHACK = (1 << 4), /* special hack for drawing strokes in Image Editor (weird coordinates) */
GP_DRAWDATA_NO_XRAY = (1 << 5), /* don't draw xray in 3D view (which is default) */		GP_DRAWDATA_NO_XRAY = (1 << 5), /* don't draw xray in 3D view (which is default) */
GP_DRAWDATA_NO_ONIONS = (1 << 6), /* no onionskins should be drawn (for animation playback) */		GP_DRAWDATA_NO_ONIONS = (1 << 6), /* no onionskins should be drawn (for animation playback) */
GP_DRAWDATA_VOLUMETRIC = (1 << 7), /* draw strokes as "volumetric" circular billboards */
GP_DRAWDATA_FILL = (1 << 8), /* fill insides/bounded-regions of strokes */
GP_DRAWDATA_HQ_FILL = (1 << 9) /* Use high quality fill */
} eDrawStrokeFlags;		} eDrawStrokeFlags;



/* thickness above which we should use special drawing */
#if 0
#define GP_DRAWTHICKNESS_SPECIAL 3
#endif

/* conversion utility (float --> normalized unsigned byte) */		/* conversion utility (float --> normalized unsigned byte) */
#define F2UB(x) (unsigned char)(255.0f * x)		#define F2UB(x) (uchar)(255.0f * x)

/* ----- Tool Buffer Drawing ------ */		/* ----- Tool Buffer Drawing ------ */
/* helper functions to set color of buffer point */		/* helper functions to set color of buffer point */
		// XXX: Remove these
static void gp_set_tpoint_varying_color(const tGPspoint *pt, const float ink[4], unsigned attrib_id)		static void UNUSED_FUNCTION(gp_set_tpoint_varying_color)(
		const tGPspoint *UNUSED(pt), const float ink[4], uint attrib_id)
{		{
float alpha = ink[3] * pt->strength;		float alpha = ink[3];
CLAMP(alpha, GPENCIL_STRENGTH_MIN, 1.0f);		CLAMP(alpha, GPENCIL_STRENGTH_MIN, 1.0f);
immAttrib4ub(attrib_id, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(alpha));		immAttrib4ub(attrib_id, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(alpha));
}		}

static void gp_set_point_uniform_color(const bGPDspoint *pt, const float ink[4])		static void UNUSED_FUNCTION(gp_set_point_uniform_color)(
		const bGPDspoint *UNUSED(pt), const float ink[4])
{		{
float alpha = ink[3] * pt->strength;		float alpha = ink[3];
CLAMP(alpha, GPENCIL_STRENGTH_MIN, 1.0f);		CLAMP(alpha, GPENCIL_STRENGTH_MIN, 1.0f);
immUniformColor3fvAlpha(ink, alpha);		immUniformColor3fvAlpha(ink, alpha);
}		}

static void gp_set_point_varying_color(const bGPDspoint *pt, const float ink[4], unsigned attrib_id)		static void gp_set_point_varying_color(const bGPDspoint *UNUSED(pt), const float ink[4], uint attrib_id)
{		{
float alpha = ink[3] * pt->strength;		float alpha = ink[3];
CLAMP(alpha, GPENCIL_STRENGTH_MIN, 1.0f);		CLAMP(alpha, GPENCIL_STRENGTH_MIN, 1.0f);
immAttrib4ub(attrib_id, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(alpha));		immAttrib4ub(attrib_id, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(alpha));
}		}

/* draw fills for buffer stroke */
static void gp_draw_stroke_buffer_fill(const tGPspoint *points, int totpoints, float ink[4])
{
if (totpoints < 3) {
return;
}
int tot_triangles = totpoints - 2;
/* allocate memory for temporary areas */
unsigned int(tmp_triangles)[3] = MEM_mallocN(sizeof(tmp_triangles) * tot_triangles, "GP Stroke buffer temp triangulation");
float(points2d)[2] = MEM_mallocN(sizeof(points2d) * totpoints, "GP Stroke buffer temp 2d points");

/* Convert points to array and triangulate
* Here a cache is not used because while drawing the information changes all the time, so the cache
* would be recalculated constantly, so it is better to do direct calculation for each function call
*/
for (int i = 0; i < totpoints; i++) {
const tGPspoint *pt = &points[i];
points2d[i][0] = pt->x;
points2d[i][1] = pt->y;
}
BLI_polyfill_calc((const float()[2])points2d, (unsigned int)totpoints, 0, (unsigned int()[3])tmp_triangles);

/* draw triangulation data */
if (tot_triangles > 0) {
GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);

immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);

/* Draw all triangles for filling the polygon */
immBegin(GPU_PRIM_TRIS, tot_triangles * 3);
/* TODO: use batch instead of immediate mode, to share vertices */

const tGPspoint *pt;
for (int i = 0; i < tot_triangles; i++) {
/* vertex 1 */
pt = &points[tmp_triangles[i][0]];
gp_set_tpoint_varying_color(pt, ink, color);
immVertex2iv(pos, &pt->x);
/* vertex 2 */
pt = &points[tmp_triangles[i][1]];
gp_set_tpoint_varying_color(pt, ink, color);
immVertex2iv(pos, &pt->x);
/* vertex 3 */
pt = &points[tmp_triangles[i][2]];
gp_set_tpoint_varying_color(pt, ink, color);
immVertex2iv(pos, &pt->x);
}

immEnd();
immUnbindProgram();
}

/* clear memory */
if (tmp_triangles) {
MEM_freeN(tmp_triangles);
}
if (points2d) {
MEM_freeN(points2d);
}
}

/* draw stroke defined in buffer (simple ogl lines/points for now, as dotted lines) */		/* draw stroke defined in buffer (simple ogl lines/points for now, as dotted lines) */
static void gp_draw_stroke_buffer(const tGPspoint *points, int totpoints, short thickness,		static void gp_draw_stroke_buffer(const tGPspoint *points, int totpoints, short thickness,
short dflag, short sflag, float ink[4], float fill_ink[4])		short dflag, short sflag, float ink[4])
{		{
int draw_points = 0;		int draw_points = 0;

/* error checking */		/* error checking */
if ((points == NULL) \|\| (totpoints <= 0))		if ((points == NULL) \|\| (totpoints <= 0))
return;		return;

/* check if buffer can be drawn */		/* check if buffer can be drawn */
if (dflag & (GP_DRAWDATA_ONLY3D \| GP_DRAWDATA_ONLYV2D))		if (dflag & (GP_DRAWDATA_ONLY3D \| GP_DRAWDATA_ONLYV2D))
return;		return;

if (sflag & GP_STROKE_ERASER) {		if (sflag & GP_STROKE_ERASER) {
/* don't draw stroke at all! */		/* don't draw stroke at all! */
return;		return;
}		}

GPUVertFormat *format = immVertexFormat();		GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);		uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);		uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT); // XXX: Just set once

const tGPspoint *pt = points;		const tGPspoint *pt = points;

if (totpoints == 1) {		if (totpoints == 1) {
/* if drawing a single point, draw it larger */		/* if drawing a single point, draw it larger */
GPU_point_size((float)(thickness + 2) * points->pressure);		GPU_point_size((float)(thickness + 2) * points->pressure);
immBindBuiltinProgram(GPU_SHADER_3D_POINT_FIXED_SIZE_VARYING_COLOR);		immBindBuiltinProgram(GPU_SHADER_3D_POINT_FIXED_SIZE_VARYING_COLOR);
immBegin(GPU_PRIM_POINTS, 1);		immBegin(GPU_PRIM_POINTS, 1);
gp_set_tpoint_varying_color(pt, ink, color);		immAttrib4ub(color, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(ink[3]));
immVertex2iv(pos, &pt->x);		immVertex2iv(pos, &pt->x);
}		}
else {		else {
float oldpressure = points[0].pressure;		float oldpressure = points[0].pressure;

/* draw stroke curve */		/* draw stroke curve */
GPU_line_width(max_ff(oldpressure * thickness, 1.0));		GPU_line_width(max_ff(oldpressure * thickness, 1.0));
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);		immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
immBeginAtMost(GPU_PRIM_LINE_STRIP, totpoints);		immBeginAtMost(GPU_PRIM_LINE_STRIP, totpoints);

/* TODO: implement this with a geometry shader to draw one continuous tapered stroke */		/* TODO: implement this with a geometry shader to draw one continuous tapered stroke */

for (int i = 0; i < totpoints; i++, pt++) {		for (int i = 0; i < totpoints; i++, pt++) {
/* if there was a significant pressure change, stop the curve, change the thickness of the stroke,		/* if there was a significant pressure change, stop the curve, change the thickness of the stroke,
* and continue drawing again (since line-width cannot change in middle of GL_LINE_STRIP)		* and continue drawing again (since line-width cannot change in middle of GL_LINE_STRIP)
*/		*/
if (fabsf(pt->pressure - oldpressure) > 0.2f) {		if (fabsf(pt->pressure - oldpressure) > 0.2f) {
/* need to have 2 points to avoid immEnd assert error */		/* need to have 2 points to avoid immEnd assert error */
if (draw_points < 2) {		if (draw_points < 2) {
gp_set_tpoint_varying_color(pt - 1, ink, color);		immAttrib4ub(color, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(ink[3]));
immVertex2iv(pos, &(pt - 1)->x);		immVertex2iv(pos, &(pt - 1)->x);
}		}

immEnd();		immEnd();
draw_points = 0;		draw_points = 0;

GPU_line_width(max_ff(pt->pressure * thickness, 1.0f));		GPU_line_width(max_ff(pt->pressure * thickness, 1.0f));
immBeginAtMost(GPU_PRIM_LINE_STRIP, totpoints - i + 1);		immBeginAtMost(GPU_PRIM_LINE_STRIP, totpoints - i + 1);

/* need to roll-back one point to ensure that there are no gaps in the stroke */		/* need to roll-back one point to ensure that there are no gaps in the stroke */
if (i != 0) {		if (i != 0) {
gp_set_tpoint_varying_color(pt - 1, ink, color);		immAttrib4ub(color, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(ink[3]));
immVertex2iv(pos, &(pt - 1)->x);		immVertex2iv(pos, &(pt - 1)->x);
++draw_points;		draw_points++;
}		}

oldpressure = pt->pressure; /* reset our threshold */		oldpressure = pt->pressure; /* reset our threshold */
}		}

/* now the point we want */		/* now the point we want */
gp_set_tpoint_varying_color(pt, ink, color);		immAttrib4ub(color, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(ink[3]));
immVertex2iv(pos, &pt->x);		immVertex2iv(pos, &pt->x);
++draw_points;		draw_points++;
}		}
/* need to have 2 points to avoid immEnd assert error */		/* need to have 2 points to avoid immEnd assert error */
if (draw_points < 2) {		if (draw_points < 2) {
gp_set_tpoint_varying_color(pt - 1, ink, color);		immAttrib4ub(color, F2UB(ink[0]), F2UB(ink[1]), F2UB(ink[2]), F2UB(ink[3]));
immVertex2iv(pos, &(pt - 1)->x);		immVertex2iv(pos, &(pt - 1)->x);
}		}
}		}

immEnd();		immEnd();
immUnbindProgram();		immUnbindProgram();

// draw fill
if (fill_ink[3] > GPENCIL_ALPHA_OPACITY_THRESH) {
gp_draw_stroke_buffer_fill(points, totpoints, fill_ink);
}
}		}

/* --------- 2D Stroke Drawing Helpers --------- */		/* --------- 2D Stroke Drawing Helpers --------- */
/* change in parameter list */		/* change in parameter list */
static void gp_calc_2d_stroke_fxy(const float pt[3], short sflag, int offsx, int offsy, int winx, int winy, float r_co[2])		static void gp_calc_2d_stroke_fxy(const float pt[3], short sflag, int offsx, int offsy, int winx, int winy, float r_co[2])
{		{
if (sflag & GP_STROKE_2DSPACE) {		if (sflag & GP_STROKE_2DSPACE) {
r_co[0] = pt[0];		r_co[0] = pt[0];
Show All 9 Lines	static void gp_calc_2d_stroke_fxy(const float pt[3], short sflag, int offsx, int offsy, int winx, int winy, float r_co[2])
else {		else {
const float x = (float)(pt[0] / 100 * winx) + offsx;		const float x = (float)(pt[0] / 100 * winx) + offsx;
const float y = (float)(pt[1] / 100 * winy) + offsy;		const float y = (float)(pt[1] / 100 * winy) + offsy;

r_co[0] = x;		r_co[0] = x;
r_co[1] = y;		r_co[1] = y;
}		}
}		}
/* ----------- Volumetric Strokes --------------- */

/* draw a 2D buffer stroke in "volumetric" style
* NOTE: the stroke buffer doesn't have any coordinate offsets/transforms
*/
static void gp_draw_stroke_volumetric_buffer(const tGPspoint *points, int totpoints, short thickness,
short dflag, const float ink[4])
{
/* error checking */
if ((points == NULL) \|\| (totpoints <= 0))
return;

/* check if buffer can be drawn */
if (dflag & (GP_DRAWDATA_ONLY3D \| GP_DRAWDATA_ONLYV2D))
return;

GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint size = GPU_vertformat_attr_add(format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);

immBindBuiltinProgram(GPU_SHADER_3D_POINT_VARYING_SIZE_VARYING_COLOR);
GPU_enable_program_point_size();
immBegin(GPU_PRIM_POINTS, totpoints);

const tGPspoint *pt = points;
for (int i = 0; i < totpoints; i++, pt++) {
gp_set_tpoint_varying_color(pt, ink, color);
immAttrib1f(size, pt->pressure * thickness); /* TODO: scale based on view transform (zoom level) */
immVertex2f(pos, pt->x, pt->y);
}

immEnd();
immUnbindProgram();
GPU_disable_program_point_size();
}

/* draw a 2D strokes in "volumetric" style */
static void gp_draw_stroke_volumetric_2d(const bGPDspoint *points, int totpoints, short thickness,
short UNUSED(dflag), short sflag,
int offsx, int offsy, int winx, int winy,
const float diff_mat[4][4], const float ink[4])
{
GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint size = GPU_vertformat_attr_add(format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);

immBindBuiltinProgram(GPU_SHADER_3D_POINT_VARYING_SIZE_VARYING_COLOR);
GPU_enable_program_point_size();
immBegin(GPU_PRIM_POINTS, totpoints);

const bGPDspoint *pt = points;
for (int i = 0; i < totpoints; i++, pt++) {
/* transform position to 2D */
float co[2];
float fpt[3];

mul_v3_m4v3(fpt, diff_mat, &pt->x);
gp_calc_2d_stroke_fxy(fpt, sflag, offsx, offsy, winx, winy, co);

gp_set_point_varying_color(pt, ink, color);
immAttrib1f(size, pt->pressure * thickness); /* TODO: scale based on view transform */
immVertex2f(pos, co[0], co[1]);
}

immEnd();
immUnbindProgram();
GPU_disable_program_point_size();
}

/* draw a 3D stroke in "volumetric" style */
static void gp_draw_stroke_volumetric_3d(
const bGPDspoint *points, int totpoints, short thickness,
const float ink[4])
{
GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
uint size = GPU_vertformat_attr_add(format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);

immBindBuiltinProgram(GPU_SHADER_3D_POINT_VARYING_SIZE_VARYING_COLOR);
GPU_enable_program_point_size();
immBegin(GPU_PRIM_POINTS, totpoints);

const bGPDspoint *pt = points;
for (int i = 0; i < totpoints && pt; i++, pt++) {
gp_set_point_varying_color(pt, ink, color);
immAttrib1f(size, pt->pressure * thickness); /* TODO: scale based on view transform */
immVertex3fv(pos, &pt->x); /* we can adjust size in vertex shader based on view/projection! */
}

immEnd();
immUnbindProgram();
GPU_disable_program_point_size();
}


/* --------------- Stroke Fills ----------------- */

/* Get points of stroke always flat to view not affected by camera view or view position */
static void gp_stroke_2d_flat(const bGPDspoint points, int totpoints, float(points2d)[2], int *r_direction)
{
const bGPDspoint *pt0 = &points[0];
const bGPDspoint *pt1 = &points[1];
const bGPDspoint pt3 = &points[(int)(totpoints 0.75)];

float locx[3];
float locy[3];
float loc3[3];
float normal[3];

/* local X axis (p0 -> p1) */
sub_v3_v3v3(locx, &pt1->x, &pt0->x);

/* point vector at 3/4 */
sub_v3_v3v3(loc3, &pt3->x, &pt0->x);

/* vector orthogonal to polygon plane */
cross_v3_v3v3(normal, locx, loc3);

/* local Y axis (cross to normal/x axis) */
cross_v3_v3v3(locy, normal, locx);

/* Normalize vectors */
normalize_v3(locx);
normalize_v3(locy);

/* Get all points in local space */
for (int i = 0; i < totpoints; i++) {
const bGPDspoint *pt = &points[i];
float loc[3];

/* Get local space using first point as origin */
sub_v3_v3v3(loc, &pt->x, &pt0->x);

points2d[i][0] = dot_v3v3(loc, locx);
points2d[i][1] = dot_v3v3(loc, locy);
}

/* Concave (-1), Convex (1), or Autodetect (0)? */
*r_direction = (int)locy[2];
}


/* Triangulate stroke for high quality fill (this is done only if cache is null or stroke was modified) */
static void gp_triangulate_stroke_fill(bGPDstroke *gps)
{
BLI_assert(gps->totpoints >= 3);

/* allocate memory for temporary areas */
gps->tot_triangles = gps->totpoints - 2;
unsigned int (tmp_triangles)[3] = MEM_mallocN(sizeof(tmp_triangles) * gps->tot_triangles, "GP Stroke temp triangulation");
float (points2d)[2] = MEM_mallocN(sizeof(points2d) * gps->totpoints, "GP Stroke temp 2d points");

int direction = 0;

/* convert to 2d and triangulate */
gp_stroke_2d_flat(gps->points, gps->totpoints, points2d, &direction);
BLI_polyfill_calc(points2d, (unsigned int)gps->totpoints, direction, tmp_triangles);

/* Number of triangles */
gps->tot_triangles = gps->totpoints - 2;
/* save triangulation data in stroke cache */
if (gps->tot_triangles > 0) {
if (gps->triangles == NULL) {
gps->triangles = MEM_callocN(sizeof(gps->triangles) gps->tot_triangles, "GP Stroke triangulation");
}
else {
gps->triangles = MEM_recallocN(gps->triangles, sizeof(gps->triangles) gps->tot_triangles);
}

for (int i = 0; i < gps->tot_triangles; i++) {
memcpy(gps->triangles[i].verts, tmp_triangles[i], sizeof(uint[3]));
}
}
else {
/* No triangles needed - Free anything allocated previously */
if (gps->triangles)
MEM_freeN(gps->triangles);

gps->triangles = NULL;
}

/* disable recalculation flag */
if (gps->flag & GP_STROKE_RECALC_CACHES) {
gps->flag &= ~GP_STROKE_RECALC_CACHES;
}

/* clear memory */
if (tmp_triangles) MEM_freeN(tmp_triangles);
if (points2d) MEM_freeN(points2d);
}


/* draw fills for shapes */
static void gp_draw_stroke_fill(
bGPdata gpd, bGPDstroke gps,
int offsx, int offsy, int winx, int winy, const float diff_mat[4][4], const float color[4])
{
float fpt[3];

BLI_assert(gps->totpoints >= 3);

bGPDpalettecolor *palcolor = ED_gpencil_stroke_getcolor(gpd, gps);

/* Triangulation fill if high quality flag is enabled */
if (palcolor->flag & PC_COLOR_HQ_FILL) {
/* Calculate triangles cache for filling area (must be done only after changes) */
if ((gps->flag & GP_STROKE_RECALC_CACHES) \|\| (gps->tot_triangles == 0) \|\| (gps->triangles == NULL)) {
gp_triangulate_stroke_fill(gps);
}
BLI_assert(gps->tot_triangles >= 1);

uint pos;
if (gps->flag & GP_STROKE_3DSPACE) {
pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
}
else {
pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
}

immUniformColor4fv(color);

/* Draw all triangles for filling the polygon (cache must be calculated before) */
immBegin(GPU_PRIM_TRIS, gps->tot_triangles * 3);
/* TODO: use batch instead of immediate mode, to share vertices */

bGPDtriangle *stroke_triangle = gps->triangles;
bGPDspoint *pt;

if (gps->flag & GP_STROKE_3DSPACE) {
for (int i = 0; i < gps->tot_triangles; i++, stroke_triangle++) {
for (int j = 0; j < 3; j++) {
pt = &gps->points[stroke_triangle->verts[j]];
mul_v3_m4v3(fpt, diff_mat, &pt->x);
immVertex3fv(pos, fpt);
}
}
}
else {
for (int i = 0; i < gps->tot_triangles; i++, stroke_triangle++) {
for (int j = 0; j < 3; j++) {
float co[2];
pt = &gps->points[stroke_triangle->verts[j]];
mul_v3_m4v3(fpt, diff_mat, &pt->x);
gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
immVertex3fv(pos, fpt);
}
}
}

immEnd();
immUnbindProgram();
}
}

/* ----- Existing Strokes Drawing (3D and Point) ------ */		/* ----- Existing Strokes Drawing (3D and Point) ------ */

/* draw a given stroke - just a single dot (only one point) */		/* draw a given stroke - just a single dot (only one point) */
static void gp_draw_stroke_point(		static void gp_draw_stroke_point(
const bGPDspoint *points, short thickness, short UNUSED(dflag), short sflag,		const bGPDspoint *points, short thickness, short UNUSED(dflag), short sflag,
int offsx, int offsy, int winx, int winy, const float diff_mat[4][4], const float ink[4])		int offsx, int offsy, int winx, int winy, const float ink[4])
{		{
const bGPDspoint *pt = points;		const bGPDspoint *pt = points;

/* get final position using parent matrix */		/* get final position using parent matrix */
float fpt[3];		float fpt[3];
mul_v3_m4v3(fpt, diff_mat, &pt->x);		copy_v3_v3(fpt, &pt->x);

GPUVertFormat *format = immVertexFormat();		GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);		uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);

if (sflag & GP_STROKE_3DSPACE) {		if (sflag & GP_STROKE_3DSPACE) {
immBindBuiltinProgram(GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA);		immBindBuiltinProgram(GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA);
}		}
else {		else {
immBindBuiltinProgram(GPU_SHADER_2D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA);		immBindBuiltinProgram(GPU_SHADER_2D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA);

/* get 2D coordinates of point */		/* get 2D coordinates of point */
float co[3] = { 0.0f };		float co[3] = { 0.0f };
gp_calc_2d_stroke_fxy(fpt, sflag, offsx, offsy, winx, winy, co);		gp_calc_2d_stroke_fxy(fpt, sflag, offsx, offsy, winx, winy, co);
copy_v3_v3(fpt, co);		copy_v3_v3(fpt, co);
}		}

gp_set_point_uniform_color(pt, ink);		/* set color */
		immUniformColor3fvAlpha(ink, ink[3]);

/* set point thickness (since there's only one of these) */		/* set point thickness (since there's only one of these) */
immUniform1f("size", (float)(thickness + 2) * pt->pressure);		immUniform1f("size", (float)(thickness + 2) * pt->pressure);

immBegin(GPU_PRIM_POINTS, 1);		immBegin(GPU_PRIM_POINTS, 1);
immVertex3fv(pos, fpt);		immVertex3fv(pos, fpt);
immEnd();		immEnd();

immUnbindProgram();		immUnbindProgram();
}		}

/* draw a given stroke in 3d (i.e. in 3d-space), using simple ogl lines */		/* draw a given stroke in 3d (i.e. in 3d-space), using simple ogl lines */
static void gp_draw_stroke_3d(const bGPDspoint *points, int totpoints, short thickness, bool UNUSED(debug),		static void gp_draw_stroke_3d(const bGPDspoint *points, int totpoints, short thickness, bool UNUSED(debug),
short UNUSED(sflag), const float diff_mat[4][4], const float ink[4], bool cyclic)		short UNUSED(sflag), const float ink[4], bool cyclic)
{		{
float curpressure = points[0].pressure;		float curpressure = points[0].pressure;
float fpt[3];
float cyclic_fpt[3];		float cyclic_fpt[3];
int draw_points = 0;		int draw_points = 0;

/* if cyclic needs one vertex more */		/* if cyclic needs one vertex more */
int cyclic_add = 0;		int cyclic_add = 0;
if (cyclic) {		if (cyclic) {
++cyclic_add;		++cyclic_add;
}		}
Show All 17 Lines	for (int i = 0; i < totpoints; i++, pt++) {
/* if there was a significant pressure change, stop the curve, change the thickness of the stroke,		/* if there was a significant pressure change, stop the curve, change the thickness of the stroke,
* and continue drawing again (since line-width cannot change in middle of GL_LINE_STRIP)		* and continue drawing again (since line-width cannot change in middle of GL_LINE_STRIP)
* Note: we want more visible levels of pressures when thickness is bigger.		* Note: we want more visible levels of pressures when thickness is bigger.
*/		*/
if (fabsf(pt->pressure - curpressure) > 0.2f / (float)thickness) {		if (fabsf(pt->pressure - curpressure) > 0.2f / (float)thickness) {
/* if the pressure changes before get at least 2 vertices, need to repeat last point to avoid assert in immEnd() */		/* if the pressure changes before get at least 2 vertices, need to repeat last point to avoid assert in immEnd() */
if (draw_points < 2) {		if (draw_points < 2) {
const bGPDspoint *pt2 = pt - 1;		const bGPDspoint *pt2 = pt - 1;
mul_v3_m4v3(fpt, diff_mat, &pt2->x);		immVertex3fv(pos, &pt2->x);
immVertex3fv(pos, fpt);
}		}
immEnd();		immEnd();
draw_points = 0;		draw_points = 0;

curpressure = pt->pressure;		curpressure = pt->pressure;
GPU_line_width(max_ff(curpressure * thickness, 1.0f));		GPU_line_width(max_ff(curpressure * thickness, 1.0f));
immBeginAtMost(GPU_PRIM_LINE_STRIP, totpoints - i + 1 + cyclic_add);		immBeginAtMost(GPU_PRIM_LINE_STRIP, totpoints - i + 1 + cyclic_add);

/* need to roll-back one point to ensure that there are no gaps in the stroke */		/* need to roll-back one point to ensure that there are no gaps in the stroke */
if (i != 0) {		if (i != 0) {
const bGPDspoint *pt2 = pt - 1;		const bGPDspoint *pt2 = pt - 1;
mul_v3_m4v3(fpt, diff_mat, &pt2->x);
gp_set_point_varying_color(pt2, ink, color);		gp_set_point_varying_color(pt2, ink, color);
immVertex3fv(pos, fpt);		immVertex3fv(pos, &pt2->x);
++draw_points;		draw_points++;
}		}
}		}

/* now the point we want */		/* now the point we want */
mul_v3_m4v3(fpt, diff_mat, &pt->x);		immVertex3fv(pos, &pt->x);
immVertex3fv(pos, fpt);		draw_points++;
++draw_points;

if (cyclic && i == 0) {		if (cyclic && i == 0) {
/* save first point to use in cyclic */		/* save first point to use in cyclic */
copy_v3_v3(cyclic_fpt, fpt);		copy_v3_v3(cyclic_fpt, &pt->x);
}		}
}		}

if (cyclic) {		if (cyclic) {
/* draw line to first point to complete the cycle */		/* draw line to first point to complete the cycle */
immVertex3fv(pos, cyclic_fpt);		immVertex3fv(pos, cyclic_fpt);
++draw_points;		draw_points++;
}		}

/* if less of two points, need to repeat last point to avoid assert in immEnd() */		/* if less of two points, need to repeat last point to avoid assert in immEnd() */
if (draw_points < 2) {		if (draw_points < 2) {
const bGPDspoint *pt2 = pt - 1;		const bGPDspoint *pt2 = pt - 1;
mul_v3_m4v3(fpt, diff_mat, &pt2->x);
gp_set_point_varying_color(pt2, ink, color);		gp_set_point_varying_color(pt2, ink, color);
immVertex3fv(pos, fpt);		immVertex3fv(pos, &pt2->x);
}		}

immEnd();		immEnd();
immUnbindProgram();		immUnbindProgram();
}		}

/* ----- Fancy 2D-Stroke Drawing ------ */		/* ----- Fancy 2D-Stroke Drawing ------ */

/* draw a given stroke in 2d */		/* draw a given stroke in 2d */
static void gp_draw_stroke_2d(const bGPDspoint *points, int totpoints, short thickness_s, short dflag, short sflag,		static void gp_draw_stroke_2d(const bGPDspoint *points, int totpoints, short thickness_s, short dflag, short sflag,
bool UNUSED(debug), int offsx, int offsy, int winx, int winy, const float diff_mat[4][4], const float ink[4])		bool UNUSED(debug), int offsx, int offsy, int winx, int winy, const float ink[4])
{		{
/* otherwise thickness is twice that of the 3D view */		/* otherwise thickness is twice that of the 3D view */
float thickness = (float)thickness_s * 0.5f;		float thickness = (float)thickness_s * 0.5f;

/* strokes in Image Editor need a scale factor, since units there are not pixels! */		/* strokes in Image Editor need a scale factor, since units there are not pixels! */
float scalefac = 1.0f;		float scalefac = 1.0f;
if ((dflag & GP_DRAWDATA_IEDITHACK) && (dflag & GP_DRAWDATA_ONLYV2D)) {		if ((dflag & GP_DRAWDATA_IEDITHACK) && (dflag & GP_DRAWDATA_ONLYV2D)) {
scalefac = 0.001f;		scalefac = 0.001f;
}		}

/* TODO: fancy++ with the magic of shaders */		/* TODO: fancy++ with the magic of shaders */

/* tessellation code - draw stroke as series of connected quads (triangle strips in fact) with connection		/* tessellation code - draw stroke as series of connected quads (triangle strips in fact) with connection
* edges rotated to minimize shrinking artifacts, and rounded endcaps		* edges rotated to minimize shrinking artifacts, and rounded endcaps
*/		*/
{		{
const bGPDspoint pt1, pt2;		const bGPDspoint pt1, pt2;
float s0[2], s1[2]; /* segment 'center' points */		float s0[2], s1[2]; /* segment 'center' points */
float pm[2]; /* normal from previous segment. */		float pm[2]; /* normal from previous segment. */
int i;		int i;
float fpt[3];

GPUVertFormat *format = immVertexFormat();		GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);		uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);		uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);

immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR);		immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR);
immBegin(GPU_PRIM_TRI_STRIP, totpoints * 2 + 4);		immBegin(GPU_PRIM_TRI_STRIP, totpoints * 2 + 4);

/* get x and y coordinates from first point */		/* get x and y coordinates from first point */
mul_v3_m4v3(fpt, diff_mat, &points->x);		gp_calc_2d_stroke_fxy(&points->x, sflag, offsx, offsy, winx, winy, s0);
gp_calc_2d_stroke_fxy(fpt, sflag, offsx, offsy, winx, winy, s0);

for (i = 0, pt1 = points, pt2 = points + 1; i < (totpoints - 1); i++, pt1++, pt2++) {		for (i = 0, pt1 = points, pt2 = points + 1; i < (totpoints - 1); i++, pt1++, pt2++) {
float t0[2], t1[2]; /* tessellated coordinates */		float t0[2], t1[2]; /* tessellated coordinates */
float m1[2], m2[2]; /* gradient and normal */		float m1[2], m2[2]; /* gradient and normal */
float mt[2], sc[2]; /* gradient for thickness, point for end-cap */		float mt[2], sc[2]; /* gradient for thickness, point for end-cap */
float pthick; /* thickness at segment point */		float pthick; /* thickness at segment point */

/* get x and y coordinates from point2 (point1 has already been computed in previous iteration). */		/* get x and y coordinates from point2 (point1 has already been computed in previous iteration). */
mul_v3_m4v3(fpt, diff_mat, &pt2->x);		gp_calc_2d_stroke_fxy(&pt2->x, sflag, offsx, offsy, winx, winy, s1);
gp_calc_2d_stroke_fxy(fpt, sflag, offsx, offsy, winx, winy, s1);

/* calculate gradient and normal - 'angle'=(ny/nx) */		/* calculate gradient and normal - 'angle'=(ny/nx) */
m1[1] = s1[1] - s0[1];		m1[1] = s1[1] - s0[1];
m1[0] = s1[0] - s0[0];		m1[0] = s1[0] - s0[0];
normalize_v2(m1);		normalize_v2(m1);
m2[1] = -m1[0];		m2[1] = -m1[0];
m2[0] = m1[1];		m2[0] = m1[1];

▲ Show 20 Lines • Show All 149 Lines • ▼ Show 20 Lines	if ((gps->points == NULL) \|\| (gps->totpoints < 1))
return false;		return false;

/* stroke can be drawn */		/* stroke can be drawn */
return true;		return true;
}		}

/* draw a set of strokes */		/* draw a set of strokes */
static void gp_draw_strokes(		static void gp_draw_strokes(
bGPdata gpd, const bGPDframe gpf, int offsx, int offsy, int winx, int winy, int dflag,		bGPdata UNUSED(gpd), bGPDlayer UNUSED(gpl), const bGPDframe *gpf, int offsx, int offsy, int winx, int winy,
bool debug, short lthick, const float opacity, const float tintcolor[4],		int dflag, bool debug, short lthick, const float color[4])
const bool onion, const bool custonion, const float diff_mat[4][4])		{
{
float tcolor[4];
float tfill[4];
short sthickness;
float ink[4];

GPU_enable_program_point_size();		GPU_enable_program_point_size();

for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {		for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
/* check if stroke can be drawn */		/* check if stroke can be drawn */
if (gp_can_draw_stroke(gps, dflag) == false) {		if (gp_can_draw_stroke(gps, dflag) == false) {
continue;		continue;
}		}
/* check if the color is visible */
bGPDpalettecolor *palcolor = ED_gpencil_stroke_getcolor(gpd, gps);
if ((palcolor == NULL) \|\|
(palcolor->flag & PC_COLOR_HIDE) \|\|
/* if onion and ghost flag do not draw*/
(onion && (palcolor->flag & PC_COLOR_ONIONSKIN)))
{
continue;
}

/* calculate thickness */
sthickness = gps->thickness + lthick;

if (sthickness <= 0) {
continue;
}

/* check which stroke-drawer to use */		/* check which stroke-drawer to use */
if (dflag & GP_DRAWDATA_ONLY3D) {		if (dflag & GP_DRAWDATA_ONLY3D) {
const int no_xray = (dflag & GP_DRAWDATA_NO_XRAY);		const int no_xray = (dflag & GP_DRAWDATA_NO_XRAY);
int mask_orig = 0;		int mask_orig = 0;

if (no_xray) {		if (no_xray) {
glGetIntegerv(GL_DEPTH_WRITEMASK, &mask_orig);		glGetIntegerv(GL_DEPTH_WRITEMASK, &mask_orig);
glDepthMask(0);		glDepthMask(0);
GPU_depth_test(true);		GPU_depth_test(true);

/* first arg is normally rv3d->dist, but this isn't		/* first arg is normally rv3d->dist, but this isn't
* available here and seems to work quite well without */		* available here and seems to work quite well without */
bglPolygonOffset(1.0f, 1.0f);		bglPolygonOffset(1.0f, 1.0f);
}		}

/* 3D Fill */
//if ((dflag & GP_DRAWDATA_FILL) && (gps->totpoints >= 3)) {
if (gps->totpoints >= 3) {
/* set color using palette, tint color and opacity */
interp_v3_v3v3(tfill, palcolor->fill, tintcolor, tintcolor[3]);
tfill[3] = palcolor->fill[3] * opacity;
if (tfill[3] > GPENCIL_ALPHA_OPACITY_THRESH) {
const float *color;
if (!onion) {
color = tfill;
}
else {
if (custonion) {
color = tintcolor;
}
else {
ARRAY_SET_ITEMS(tfill, UNPACK3(palcolor->fill), tintcolor[3]);
color = tfill;
}
}
gp_draw_stroke_fill(gpd, gps, offsx, offsy, winx, winy, diff_mat, color);
}
}

/* 3D Stroke */
/* set color using palette, tint color and opacity */
if (!onion) {
interp_v3_v3v3(tcolor, palcolor->color, tintcolor, tintcolor[3]);
tcolor[3] = palcolor->color[3] * opacity;
copy_v4_v4(ink, tcolor);
}
else {
if (custonion) {
copy_v4_v4(ink, tintcolor);
}
else {
ARRAY_SET_ITEMS(tcolor, palcolor->color[0], palcolor->color[1], palcolor->color[2], opacity);
copy_v4_v4(ink, tcolor);
}
}
if (palcolor->flag & PC_COLOR_VOLUMETRIC) {
/* volumetric stroke drawing */
gp_draw_stroke_volumetric_3d(gps->points, gps->totpoints, sthickness, ink);
}
else {
/* 3D Lines - OpenGL primitives-based */		/* 3D Lines - OpenGL primitives-based */
if (gps->totpoints == 1) {		if (gps->totpoints == 1) {
gp_draw_stroke_point(gps->points, sthickness, dflag, gps->flag, offsx, offsy, winx, winy,		gp_draw_stroke_point(gps->points, lthick, dflag, gps->flag, offsx, offsy, winx, winy, color);
diff_mat, ink);
}		}
else {		else {
gp_draw_stroke_3d(gps->points, gps->totpoints, sthickness, debug, gps->flag,		gp_draw_stroke_3d(gps->points, gps->totpoints, lthick, debug, gps->flag,
diff_mat, ink, gps->flag & GP_STROKE_CYCLIC);		color, gps->flag & GP_STROKE_CYCLIC);
}
}		}

if (no_xray) {		if (no_xray) {
glDepthMask(mask_orig);		glDepthMask(mask_orig);
GPU_depth_test(false);		GPU_depth_test(false);

bglPolygonOffset(0.0, 0.0);		bglPolygonOffset(0.0, 0.0);
}		}
}		}
else {		else {
/* 2D - Fill */
if (gps->totpoints >= 3) {
/* set color using palette, tint color and opacity */
interp_v3_v3v3(tfill, palcolor->fill, tintcolor, tintcolor[3]);
tfill[3] = palcolor->fill[3] * opacity;
if (tfill[3] > GPENCIL_ALPHA_OPACITY_THRESH) {
const float *color;
if (!onion) {
color = tfill;
}
else {
if (custonion) {
color = tintcolor;
}
else {
ARRAY_SET_ITEMS(tfill, palcolor->fill[0], palcolor->fill[1], palcolor->fill[2],
tintcolor[3]);
color = tfill;
}
}
gp_draw_stroke_fill(gpd, gps, offsx, offsy, winx, winy, diff_mat, color);
}
}

/* 2D Strokes... */		/* 2D Strokes... */
/* set color using palette, tint color and opacity */
if (!onion) {
interp_v3_v3v3(tcolor, palcolor->color, tintcolor, tintcolor[3]);
tcolor[3] = palcolor->color[3] * opacity;
copy_v4_v4(ink, tcolor);
}
else {
if (custonion) {
copy_v4_v4(ink, tintcolor);
}
else {
ARRAY_SET_ITEMS(tcolor, palcolor->color[0], palcolor->color[1], palcolor->color[2], opacity);
copy_v4_v4(ink, tcolor);
}
}
if (palcolor->flag & PC_COLOR_VOLUMETRIC) {
/* blob/disk-based "volumetric" drawing */
gp_draw_stroke_volumetric_2d(gps->points, gps->totpoints, sthickness, dflag, gps->flag,
offsx, offsy, winx, winy, diff_mat, ink);
}
else {
/* normal 2D strokes */
if (gps->totpoints == 1) {		if (gps->totpoints == 1) {
gp_draw_stroke_point(gps->points, sthickness, dflag, gps->flag, offsx, offsy, winx, winy,		gp_draw_stroke_point(gps->points, lthick, dflag, gps->flag, offsx, offsy, winx, winy, color);
diff_mat, ink);
}		}
else {		else {
gp_draw_stroke_2d(gps->points, gps->totpoints, sthickness, dflag, gps->flag, debug,		gp_draw_stroke_2d(gps->points, gps->totpoints, lthick, dflag, gps->flag, debug,
offsx, offsy, winx, winy, diff_mat, ink);		offsx, offsy, winx, winy, color);
}
}		}
}		}
}		}

GPU_disable_program_point_size();		GPU_disable_program_point_size();
}		}

/* Draw selected verts for strokes being edited */		/* Draw selected verts for strokes being edited */
static void gp_draw_strokes_edit(		static void gp_draw_strokes_edit(
bGPdata gpd, const bGPDframe gpf, int offsx, int offsy, int winx, int winy, short dflag,		bGPdata gpd, bGPDlayer gpl, const bGPDframe *gpf,
short lflag, const float diff_mat[4][4], float alpha)		int offsx, int offsy, int winx, int winy,
		short dflag, short UNUSED(lflag), float alpha)
{		{
/* if alpha 0 do not draw */		/* if alpha 0 do not draw */
if (alpha == 0.0f)		if (alpha == 0.0f)
return;		return;

const bool no_xray = (dflag & GP_DRAWDATA_NO_XRAY) != 0;		const bool no_xray = (dflag & GP_DRAWDATA_NO_XRAY) != 0;
int mask_orig = 0;		int mask_orig = 0;

Show All 20 Lines	for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {

/* Optimisation: only draw points for selected strokes		/* Optimisation: only draw points for selected strokes
* We assume that selected points can only occur in		* We assume that selected points can only occur in
* strokes that are selected too.		* strokes that are selected too.
*/		*/
if ((gps->flag & GP_STROKE_SELECT) == 0)		if ((gps->flag & GP_STROKE_SELECT) == 0)
continue;		continue;

/* verify palette color lock */
{
bGPDpalettecolor *palcolor = ED_gpencil_stroke_getcolor(gpd, gps);
if (palcolor != NULL) {
if (palcolor->flag & PC_COLOR_HIDE) {
continue;
}
if (((lflag & GP_LAYER_UNLOCK_COLOR) == 0) && (palcolor->flag & PC_COLOR_LOCKED)) {
continue;
}
}
}

/* Get size of verts:		/* Get size of verts:
* - The selected state needs to be larger than the unselected state so that		* - The selected state needs to be larger than the unselected state so that
* they stand out more.		* they stand out more.
* - We use the theme setting for size of the unselected verts		* - We use the theme setting for size of the unselected verts
*/		*/
float bsize = UI_GetThemeValuef(TH_GP_VERTEX_SIZE);		float bsize = UI_GetThemeValuef(TH_GP_VERTEX_SIZE);
float vsize;		float vsize;
if ((int)bsize > 8) {		if ((int)bsize > 8) {
vsize = 10.0f;		vsize = 10.0f;
bsize = 8.0f;		bsize = 8.0f;
}		}
else {		else {
vsize = bsize + 2;		vsize = bsize + 2;
}		}

/* for now, we assume that the base color of the points is not too close to the real color */
/* set color using palette */
bGPDpalettecolor *palcolor = ED_gpencil_stroke_getcolor(gpd, gps);

float selectColor[4];		float selectColor[4];
UI_GetThemeColor3fv(TH_GP_VERTEX_SELECT, selectColor);		UI_GetThemeColor3fv(TH_GP_VERTEX_SELECT, selectColor);
selectColor[3] = alpha;		selectColor[3] = alpha;

GPUVertFormat *format = immVertexFormat();		GPUVertFormat *format = immVertexFormat();
uint pos; /* specified later */		uint pos; /* specified later */
uint size = GPU_vertformat_attr_add(format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);		uint size = GPU_vertformat_attr_add(format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);		uint color = GPU_vertformat_attr_add(format, "color", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
Show All 9 Lines	for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {

immBegin(GPU_PRIM_POINTS, gps->totpoints);		immBegin(GPU_PRIM_POINTS, gps->totpoints);

/* Draw start and end point differently if enabled stroke direction hint */		/* Draw start and end point differently if enabled stroke direction hint */
bool show_direction_hint = (gpd->flag & GP_DATA_SHOW_DIRECTION) && (gps->totpoints > 1);		bool show_direction_hint = (gpd->flag & GP_DATA_SHOW_DIRECTION) && (gps->totpoints > 1);

/* Draw all the stroke points (selected or not) */		/* Draw all the stroke points (selected or not) */
bGPDspoint *pt = gps->points;		bGPDspoint *pt = gps->points;
float fpt[3];
for (int i = 0; i < gps->totpoints; i++, pt++) {		for (int i = 0; i < gps->totpoints; i++, pt++) {
/* size and color first */		/* size and color first */
if (show_direction_hint && i == 0) {		if (show_direction_hint && i == 0) {
/* start point in green bigger */		/* start point in green bigger */
immAttrib3f(color, 0.0f, 1.0f, 0.0f);		immAttrib3f(color, 0.0f, 1.0f, 0.0f);
immAttrib1f(size, vsize + 4);		immAttrib1f(size, vsize + 4);
}		}
else if (show_direction_hint && (i == gps->totpoints - 1)) {		else if (show_direction_hint && (i == gps->totpoints - 1)) {
/* end point in red smaller */		/* end point in red smaller */
immAttrib3f(color, 1.0f, 0.0f, 0.0f);		immAttrib3f(color, 1.0f, 0.0f, 0.0f);
immAttrib1f(size, vsize + 1);		immAttrib1f(size, vsize + 1);
}		}
else if (pt->flag & GP_SPOINT_SELECT) {		else if (pt->flag & GP_SPOINT_SELECT) {
immAttrib3fv(color, selectColor);		immAttrib3fv(color, selectColor);
immAttrib1f(size, vsize);		immAttrib1f(size, vsize);
}		}
else {		else {
immAttrib3fv(color, palcolor->color);		immAttrib3fv(color, gpl->color);
immAttrib1f(size, bsize);		immAttrib1f(size, bsize);
}		}

/* then position */		/* then position */
if (gps->flag & GP_STROKE_3DSPACE) {		if (gps->flag & GP_STROKE_3DSPACE) {
mul_v3_m4v3(fpt, diff_mat, &pt->x);		immVertex3fv(pos, &pt->x);
immVertex3fv(pos, fpt);
}		}
else {		else {
float co[2];		float co[2];
mul_v3_m4v3(fpt, diff_mat, &pt->x);		gp_calc_2d_stroke_fxy(&pt->x, gps->flag, offsx, offsy, winx, winy, co);
gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
immVertex2fv(pos, co);		immVertex2fv(pos, co);
}		}
}		}

immEnd();		immEnd();
immUnbindProgram();		immUnbindProgram();
}		}

Show All 11 Lines	#if 0
glPolygonOffset(0, 0);		glPolygonOffset(0, 0);
#endif		#endif
}		}
}		}
}		}

/* ----- General Drawing ------ */		/* ----- General Drawing ------ */

/* draw onion-skinning for a layer */
static void gp_draw_onionskins(
bGPdata gpd, const bGPDlayer gpl, const bGPDframe *gpf, int offsx, int offsy, int winx, int winy,
int UNUSED(cfra), int dflag, bool debug, const float diff_mat[4][4])
{
const float default_color[3] = {UNPACK3(U.gpencil_new_layer_col)};
const float alpha = 1.0f;
float color[4];

/* 1) Draw Previous Frames First */
if (gpl->flag & GP_LAYER_GHOST_PREVCOL) {
copy_v3_v3(color, gpl->gcolor_prev);
}
else {
copy_v3_v3(color, default_color);
}

if (gpl->gstep > 0) {
/* draw previous frames first */
for (bGPDframe *gf = gpf->prev; gf; gf = gf->prev) {
/* check if frame is drawable */
if ((gpf->framenum - gf->framenum) <= gpl->gstep) {
/* alpha decreases with distance from curframe index */
float fac = 1.0f - ((float)(gpf->framenum - gf->framenum) / (float)(gpl->gstep + 1));
color[3] = alpha * fac * 0.66f;
gp_draw_strokes(gpd, gf, offsx, offsy, winx, winy, dflag, debug, gpl->thickness, 1.0f, color,
true, gpl->flag & GP_LAYER_GHOST_PREVCOL, diff_mat);
}
else
break;
}
}
else if (gpl->gstep == 0) {
/* draw the strokes for the ghost frames (at half of the alpha set by user) */
if (gpf->prev) {
color[3] = (alpha / 7);
gp_draw_strokes(gpd, gpf->prev, offsx, offsy, winx, winy, dflag, debug, gpl->thickness, 1.0f, color,
true, gpl->flag & GP_LAYER_GHOST_PREVCOL, diff_mat);
}
}
else {
/* don't draw - disabled */
}

/* 2) Now draw next frames */
if (gpl->flag & GP_LAYER_GHOST_NEXTCOL) {
copy_v3_v3(color, gpl->gcolor_next);
}
else {
copy_v3_v3(color, default_color);
}

if (gpl->gstep_next > 0) {
/* now draw next frames */
for (bGPDframe *gf = gpf->next; gf; gf = gf->next) {
/* check if frame is drawable */
if ((gf->framenum - gpf->framenum) <= gpl->gstep_next) {
/* alpha decreases with distance from curframe index */
float fac = 1.0f - ((float)(gf->framenum - gpf->framenum) / (float)(gpl->gstep_next + 1));
color[3] = alpha * fac * 0.66f;
gp_draw_strokes(gpd, gf, offsx, offsy, winx, winy, dflag, debug, gpl->thickness, 1.0f, color,
true, gpl->flag & GP_LAYER_GHOST_NEXTCOL, diff_mat);
}
else
break;
}
}
else if (gpl->gstep_next == 0) {
/* draw the strokes for the ghost frames (at half of the alpha set by user) */
if (gpf->next) {
color[3] = (alpha / 4);
gp_draw_strokes(gpd, gpf->next, offsx, offsy, winx, winy, dflag, debug, gpl->thickness, 1.0f, color,
true, gpl->flag & GP_LAYER_GHOST_NEXTCOL, diff_mat);
}
}
else {
/* don't draw - disabled */
}
}

/* draw interpolate strokes (used only while operator is running) */
void ED_gp_draw_interpolation(tGPDinterpolate *tgpi, const int type)
{
tGPDinterpolate_layer *tgpil;
float diff_mat[4][4];
float color[4];

int offsx = 0;
int offsy = 0;
int winx = tgpi->ar->winx;
int winy = tgpi->ar->winy;

UI_GetThemeColor3fv(TH_GP_VERTEX_SELECT, color);
color[3] = 0.6f;
int dflag = 0;
/* if 3d stuff, enable flags */
if (type == REGION_DRAW_POST_VIEW) {
dflag \|= (GP_DRAWDATA_ONLY3D \| GP_DRAWDATA_NOSTATUS);
}

/* turn on alpha-blending */
GPU_blend(true);
for (tgpil = tgpi->ilayers.first; tgpil; tgpil = tgpil->next) {
/* calculate parent position */
ED_gpencil_parent_location(tgpil->gpl, diff_mat);
if (tgpil->interFrame) {
gp_draw_strokes(tgpi->gpd, tgpil->interFrame, offsx, offsy, winx, winy, dflag, false,
tgpil->gpl->thickness, 1.0f, color, true, true, diff_mat);
}
}
GPU_blend(false);
}

/* loop over gpencil data layers, drawing them */		/* loop over gpencil data layers, drawing them */
static void gp_draw_data_layers(		static void gp_draw_data_layers(
const bGPDbrush brush, float alpha, bGPdata gpd,		bGPdata *gpd, int offsx, int offsy, int winx, int winy,
int offsx, int offsy, int winx, int winy, int cfra, int dflag)		int cfra, int dflag, float alpha)
{		{
float diff_mat[4][4];

for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {		for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
/* calculate parent position */
ED_gpencil_parent_location(gpl, diff_mat);

bool debug = (gpl->flag & GP_LAYER_DRAWDEBUG);		bool debug = (gpl->flag & GP_LAYER_DRAWDEBUG);
short lthick = brush->thickness + gpl->thickness;		short lthick = gpl->thickness;

/* don't draw layer if hidden */		/* don't draw layer if hidden */
if (gpl->flag & GP_LAYER_HIDE)		if (gpl->flag & GP_LAYER_HIDE)
continue;		continue;

/* get frame to draw */		/* get frame to draw */
bGPDframe *gpf = BKE_gpencil_layer_getframe(gpl, cfra, 0);		bGPDframe *gpf = BKE_gpencil_layer_getframe(gpl, cfra, 0);
if (gpf == NULL)		if (gpf == NULL)
Show All 9 Lines
#define GP_DRAWFLAG_APPLY(condition, draw_flag_value) { \		#define GP_DRAWFLAG_APPLY(condition, draw_flag_value) { \
if (condition) dflag \|= (draw_flag_value); \		if (condition) dflag \|= (draw_flag_value); \
else dflag &= ~(draw_flag_value); \		else dflag &= ~(draw_flag_value); \
} (void)0		} (void)0

/* xray... */		/* xray... */
GP_DRAWFLAG_APPLY((gpl->flag & GP_LAYER_NO_XRAY), GP_DRAWDATA_NO_XRAY);		GP_DRAWFLAG_APPLY((gpl->flag & GP_LAYER_NO_XRAY), GP_DRAWDATA_NO_XRAY);

/* volumetric strokes... */
GP_DRAWFLAG_APPLY((gpl->flag & GP_LAYER_VOLUMETRIC), GP_DRAWDATA_VOLUMETRIC);

/* HQ fills... */
GP_DRAWFLAG_APPLY((gpl->flag & GP_LAYER_HQ_FILL), GP_DRAWDATA_HQ_FILL);

#undef GP_DRAWFLAG_APPLY		#undef GP_DRAWFLAG_APPLY

/* Draw 'onionskins' (frame left + right)
* - It is only possible to show these if the option is enabled
* - The "no onions" flag prevents ghosts from appearing during animation playback/scrubbing
* and in renders
* - The per-layer "always show" flag however overrides the playback/render restriction,
* allowing artists to selectively turn onionskins on/off during playback
*/
if ((gpl->flag & GP_LAYER_ONIONSKIN) &&
((dflag & GP_DRAWDATA_NO_ONIONS) == 0 \|\| (gpl->flag & GP_LAYER_GHOST_ALWAYS)))
{
/* Drawing method - only immediately surrounding (gstep = 0),
* or within a frame range on either side (gstep > 0)
*/
gp_draw_onionskins(gpd, gpl, gpf, offsx, offsy, winx, winy, cfra, dflag, debug, diff_mat);
}

/* draw the strokes already in active frame */		/* draw the strokes already in active frame */
gp_draw_strokes(gpd, gpf, offsx, offsy, winx, winy, dflag, debug, gpl->thickness,		gp_draw_strokes(gpd, gpl, gpf, offsx, offsy, winx, winy, dflag, debug, lthick, gpl->color);
gpl->opacity, gpl->tintcolor, false, false, diff_mat);

/* Draw verts of selected strokes		/* Draw verts of selected strokes
* - when doing OpenGL renders, we don't want to be showing these, as that ends up flickering		* - when doing OpenGL renders, we don't want to be showing these, as that ends up flickering
* - locked layers can't be edited, so there's no point showing these verts		* - locked layers can't be edited, so there's no point showing these verts
* as they will have no bearings on what gets edited		* as they will have no bearings on what gets edited
* - only show when in editmode, since operators shouldn't work otherwise		* - only show when in editmode, since operators shouldn't work otherwise
* (NOTE: doing it this way means that the toggling editmode shows visible change immediately)		* (NOTE: doing it this way means that the toggling editmode shows visible change immediately)
*/		*/
/* XXX: perhaps we don't want to show these when users are drawing... */		/* XXX: perhaps we don't want to show these when users are drawing... */
if ((G.f & G_RENDER_OGL) == 0 &&		if ((G.f & G_RENDER_OGL) == 0 &&
(gpl->flag & GP_LAYER_LOCKED) == 0 &&		(gpl->flag & GP_LAYER_LOCKED) == 0 &&
(gpd->flag & GP_DATA_STROKE_EDITMODE))		(gpd->flag & GP_DATA_STROKE_EDITMODE))
{		{
gp_draw_strokes_edit(gpd, gpf, offsx, offsy, winx, winy, dflag, gpl->flag, diff_mat, alpha);		gp_draw_strokes_edit(gpd, gpl, gpf, offsx, offsy, winx, winy, dflag, gpl->flag, alpha);
}		}

/* Check if may need to draw the active stroke cache, only if this layer is the active layer		/* Check if may need to draw the active stroke cache, only if this layer is the active layer
* that is being edited. (Stroke buffer is currently stored in gp-data)		* that is being edited. (Stroke buffer is currently stored in gp-data)
*/		*/
if (ED_gpencil_session_active() && (gpl->flag & GP_LAYER_ACTIVE) &&		if (ED_gpencil_session_active() && (gpl->flag & GP_LAYER_ACTIVE) &&
(gpf->flag & GP_FRAME_PAINT))		(gpf->flag & GP_FRAME_PAINT))
{		{
/* Buffer stroke needs to be drawn with a different linestyle		/* Buffer stroke needs to be drawn with a different linestyle
* to help differentiate them from normal strokes.		* to help differentiate them from normal strokes.
*		*
* It should also be noted that sbuffer contains temporary point types		* It should also be noted that sbuffer contains temporary point types
* i.e. tGPspoints NOT bGPDspoints		* i.e. tGPspoints NOT bGPDspoints
*/		*/
if (gpd->sflag & PC_COLOR_VOLUMETRIC) {		gp_draw_stroke_buffer(gpd->runtime.sbuffer,
gp_draw_stroke_volumetric_buffer(gpd->sbuffer, gpd->sbuffer_size, lthick,		gpd->runtime.sbuffer_size, lthick,
dflag, gpd->scolor);		dflag, gpd->runtime.sbuffer_sflag, gpl->color);
}
else {
gp_draw_stroke_buffer(gpd->sbuffer, gpd->sbuffer_size, lthick, dflag, gpd->sbuffer_sflag, gpd->scolor, gpd->sfill);
}
}		}
}		}
}		}

/* draw a short status message in the top-right corner */		/* draw a short status message in the top-right corner */
static void gp_draw_status_text(const bGPdata gpd, ARegion ar)		static void gp_draw_status_text(const bGPdata gpd, ARegion ar)
{		{
rcti rect;		rcti rect;
Show All 36 Lines	#endif
UI_icon_draw(xco, yco, ICON_GREASEPENCIL);		UI_icon_draw(xco, yco, ICON_GREASEPENCIL);

GPU_blend(false);		GPU_blend(false);
}		}
}		}

/* draw grease-pencil datablock */		/* draw grease-pencil datablock */
static void gp_draw_data(		static void gp_draw_data(
const bGPDbrush brush, float alpha, bGPdata gpd,		bGPdata *gpd, int offsx, int offsy, int winx, int winy,
int offsx, int offsy, int winx, int winy, int cfra, int dflag)		int cfra, int dflag, float alpha)
{		{
/* turn on smooth lines (i.e. anti-aliasing) */		/* turn on smooth lines (i.e. anti-aliasing) */
GPU_line_smooth(true);		GPU_line_smooth(true);

/* XXX: turn on some way of ensuring that the polygon edges get smoothed
* GL_POLYGON_SMOOTH is nasty and shouldn't be used, as it ends up
* creating internal white rays due to the ways it accumulates stuff
*/

/* turn on alpha-blending */		/* turn on alpha-blending */
GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);		GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_blend(true);		GPU_blend(true);

/* draw! */		/* draw! */
gp_draw_data_layers(brush, alpha, gpd, offsx, offsy, winx, winy, cfra, dflag);		gp_draw_data_layers(gpd, offsx, offsy, winx, winy, cfra, dflag, alpha);

/* turn off alpha blending, then smooth lines */		/* turn off alpha blending, then smooth lines */
GPU_blend(false); // alpha blending		GPU_blend(false); // alpha blending
GPU_line_smooth(false); // smooth lines		GPU_line_smooth(false); // smooth lines
}		}

/* if we have strokes for scenes (3d view)/clips (movie clip editor)		/* if we have strokes for scenes (3d view)/clips (movie clip editor)
* and objects/tracks, multiple data blocks have to be drawn */		* and objects/tracks, multiple data blocks have to be drawn */
static void gp_draw_data_all(Scene scene, bGPdata gpd, int offsx, int offsy, int winx, int winy,		static void gp_draw_data_all(
		Scene scene, bGPdata gpd, int offsx, int offsy, int winx, int winy,
int cfra, int dflag, const char spacetype)		int cfra, int dflag, const char spacetype)
{		{
bGPdata *gpd_source = NULL;		bGPdata *gpd_source = NULL;
ToolSettings *ts;		float alpha = 1.0f;
bGPDbrush *brush = NULL;
if (scene) {
ts = scene->toolsettings;
brush = BKE_gpencil_brush_getactive(ts);
/* if no brushes, create default set */
if (brush == NULL) {
BKE_gpencil_brush_init_presets(ts);
brush = BKE_gpencil_brush_getactive(ts);
}

		if (scene) {
if (spacetype == SPACE_VIEW3D) {		if (spacetype == SPACE_VIEW3D) {
gpd_source = (scene->gpd ? scene->gpd : NULL);		gpd_source = (scene->gpd ? scene->gpd : NULL);
}		}
else if (spacetype == SPACE_CLIP && scene->clip) {		else if (spacetype == SPACE_CLIP && scene->clip) {
/* currently drawing only gpencil data from either clip or track, but not both - XXX fix logic behind */		/* currently drawing only gpencil data from either clip or track, but not both - XXX fix logic behind */
gpd_source = (scene->clip->gpd ? scene->clip->gpd : NULL);		gpd_source = (scene->clip->gpd ? scene->clip->gpd : NULL);
}		}

if (gpd_source) {		if (gpd_source) {
if (brush != NULL) {		gp_draw_data(gpd_source, offsx, offsy, winx, winy, cfra, dflag, alpha);
gp_draw_data(brush, ts->gp_sculpt.alpha, gpd_source,
offsx, offsy, winx, winy, cfra, dflag);
}
}		}
}		}

/* scene/clip data has already been drawn, only object/track data is drawn here		/* scene/clip data has already been drawn, only object/track data is drawn here
* if gpd_source == gpd, we don't have any object/track data and we can skip */		* if gpd_source == gpd, we don't have any object/track data and we can skip */
if (gpd_source == NULL \|\| (gpd_source && gpd_source != gpd)) {		if (gpd_source == NULL \|\| (gpd_source && gpd_source != gpd)) {
if (brush != NULL) {		gp_draw_data(gpd, offsx, offsy, winx, winy, cfra, dflag, alpha);
gp_draw_data(brush, ts->gp_sculpt.alpha, gpd,
offsx, offsy, winx, winy, cfra, dflag);
}
}		}
}		}

/* ----- Grease Pencil Sketches Drawing API ------ */		/* ----- Grease Pencil Sketches Drawing API ------ */

/* ............................		/* ............................
* XXX		* XXX
* We need to review the calls below, since they may be/are not that suitable for		* We need to review the calls below, since they may be/are not that suitable for
▲ Show 20 Lines • Show All 94 Lines • ▼ Show 20 Lines	void ED_gpencil_draw_view2d(const bContext *C, bool onlyv2d)
gp_draw_data_all(scene, gpd, 0, 0, ar->winx, ar->winy, CFRA, dflag, sa->spacetype);		gp_draw_data_all(scene, gpd, 0, 0, ar->winx, ar->winy, CFRA, dflag, sa->spacetype);

/* draw status text (if in screen/pixel-space) */		/* draw status text (if in screen/pixel-space) */
if (!onlyv2d) {		if (!onlyv2d) {
gp_draw_status_text(gpd, ar);		gp_draw_status_text(gpd, ar);
}		}
}		}

/* draw grease-pencil sketches to specified 3d-view assuming that matrices are already set correctly
		/* draw annotations sketches to specified 3d-view assuming that matrices are already set correctly
* Note: this gets called twice - first time with only3d=true to draw 3d-strokes,		* Note: this gets called twice - first time with only3d=true to draw 3d-strokes,
* second time with only3d=false for screen-aligned strokes */		* second time with only3d=false for screen-aligned strokes */
void ED_gpencil_draw_view3d(wmWindowManager *wm,		void ED_gpencil_draw_view3d_annotations(
Scene *scene,		Scene scene, struct Depsgraph depsgraph,
ViewLayer *view_layer,		View3D v3d, ARegion ar,
struct Depsgraph *depsgraph,
View3D *v3d,
ARegion *ar,
bool only3d)		bool only3d)
{		{
int dflag = 0;		int dflag = 0;
RegionView3D *rv3d = ar->regiondata;		RegionView3D *rv3d = ar->regiondata;
int offsx, offsy, winx, winy;		int offsx, offsy, winx, winy;

/* check that we have grease-pencil stuff to draw */		/* check that we have grease-pencil stuff to draw */
bGPdata *gpd = ED_gpencil_data_get_active_v3d(scene, view_layer);		/* XXX: Hardcoded reference here may get out of sync if we change how we fetch annotation data */
		bGPdata *gpd = scene->gpd;
if (gpd == NULL) return;		if (gpd == NULL) return;

/* when rendering to the offscreen buffer we don't want to		/* when rendering to the offscreen buffer we don't want to
* deal with the camera border, otherwise map the coords to the camera border. */		* deal with the camera border, otherwise map the coords to the camera border. */
if ((rv3d->persp == RV3D_CAMOB) && !(G.f & G_RENDER_OGL)) {		if ((rv3d->persp == RV3D_CAMOB) && !(G.f & G_RENDER_OGL)) {
rctf rectf;		rctf rectf;
ED_view3d_calc_camera_border(scene, depsgraph, ar, v3d, rv3d, &rectf, true); /* no shift */		ED_view3d_calc_camera_border(scene, depsgraph, ar, v3d, rv3d, &rectf, true); /* no shift */

Show All 18 Lines	if (only3d) {
dflag \|= (GP_DRAWDATA_ONLY3D \| GP_DRAWDATA_NOSTATUS);		dflag \|= (GP_DRAWDATA_ONLY3D \| GP_DRAWDATA_NOSTATUS);
}		}

if (v3d->flag2 & V3D_RENDER_OVERRIDE) {		if (v3d->flag2 & V3D_RENDER_OVERRIDE) {
/* don't draw status text when "only render" flag is set */		/* don't draw status text when "only render" flag is set */
dflag \|= GP_DRAWDATA_NOSTATUS;		dflag \|= GP_DRAWDATA_NOSTATUS;
}		}

if ((wm == NULL) \|\| ED_screen_animation_playing(wm)) {
/* don't show onionskins during animation playback/scrub (i.e. it obscures the poses)
* OpenGL Renders (i.e. final output), or depth buffer (i.e. not real strokes)
*/
dflag \|= GP_DRAWDATA_NO_ONIONS;
}

/* draw it! */		/* draw it! */
gp_draw_data_all(scene, gpd, offsx, offsy, winx, winy, CFRA, dflag, v3d->spacetype);		gp_draw_data_all(scene, gpd, offsx, offsy, winx, winy, CFRA, dflag, v3d->spacetype);
}		}

		#if 0 // XXX: Reinstate, after renaming the functions

void ED_gpencil_draw_ex(Scene scene, bGPdata gpd, int winx, int winy, const int cfra, const char spacetype)		void ED_gpencil_draw_ex(Scene scene, bGPdata gpd, int winx, int winy, const int cfra, const char spacetype)
{		{
int dflag = GP_DRAWDATA_NOSTATUS \| GP_DRAWDATA_ONLYV2D;		int dflag = GP_DRAWDATA_NOSTATUS \| GP_DRAWDATA_ONLYV2D;

gp_draw_data_all(scene, gpd, 0, 0, winx, winy, cfra, dflag, spacetype);		gp_draw_data_all(scene, gpd, 0, 0, winx, winy, cfra, dflag, spacetype);
}		}

		#endif

/* ************************************************** */		/* ************************************************** */