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minor improvement to projection paint pixel initialization - initialize the pixel alloc size once and re-use it.

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Campbell Barton
2012-11-06 07:11:17 +00:00
parent 83a22ec16e
commit e7bea58d35
1 changed files with 25 additions and 19 deletions
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44
source/blender/editors/sculpt_paint/paint_image.c
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@@ -288,9 +288,11 @@ typedef struct ProjPaintState {
char *vertFlags; /* store options per vert, now only store if the vert is pointing away from the view */
int buckets_x; /* The size of the bucket grid, the grid span's screenMin/screenMax so you can paint outsize the screen or with 2 brushes at once */
int buckets_y;
ProjPaintImage *projImages;
int pixel_sizeof; /* result of project_paint_pixel_sizeof(), constant per stroke */
int image_tot; /* size of projectImages array */
float (*screenCoords)[4]; /* verts projected into floating point screen space */
@@ -1491,6 +1493,16 @@ static float project_paint_uvpixel_mask(
return mask;
}
static int project_paint_pixel_sizeof(const short tool)
{
if ((tool == PAINT_TOOL_CLONE) || (tool == PAINT_TOOL_SMEAR)) {
return sizeof(ProjPixelClone);
}
else {
return sizeof(ProjPixel);
}
}
/* run this function when we know a bucket's, face's pixel can be initialized,
* return the ProjPixel which is added to 'ps->bucketRect[bucket_index]' */
static ProjPixel *project_paint_uvpixel_init(
@@ -1506,33 +1518,23 @@ static ProjPixel *project_paint_uvpixel_init(
const float w[3])
{
ProjPixel *projPixel;
short size;
/* wrap pixel location */
x_px = x_px % ibuf->x;
if (x_px < 0) x_px += ibuf->x;
y_px = y_px % ibuf->y;
if (y_px < 0) y_px += ibuf->y;
if (ps->tool == PAINT_TOOL_CLONE) {
size = sizeof(ProjPixelClone);
}
else if (ps->tool == PAINT_TOOL_SMEAR) {
size = sizeof(ProjPixelClone);
}
else {
size = sizeof(ProjPixel);
}
projPixel = (ProjPixel *)BLI_memarena_alloc(arena, size);
BLI_assert(ps->pixel_sizeof == project_paint_pixel_sizeof(ps->tool));
projPixel = (ProjPixel *)BLI_memarena_alloc(arena, ps->pixel_sizeof);
//memset(projPixel, 0, size);
if (ibuf->rect_float) {
projPixel->pixel.f_pt = ibuf->rect_float + ((x_px + y_px * ibuf->x) * 4);
projPixel->origColor.f[0] = projPixel->newColor.f[0] = projPixel->pixel.f_pt[0];
projPixel->origColor.f[1] = projPixel->newColor.f[1] = projPixel->pixel.f_pt[1];
projPixel->origColor.f[2] = projPixel->newColor.f[2] = projPixel->pixel.f_pt[2];
projPixel->origColor.f[3] = projPixel->newColor.f[3] = projPixel->pixel.f_pt[3];
projPixel->origColor.f[0] = projPixel->newColor.f[0] = projPixel->pixel.f_pt[0];
projPixel->origColor.f[1] = projPixel->newColor.f[1] = projPixel->pixel.f_pt[1];
projPixel->origColor.f[2] = projPixel->newColor.f[2] = projPixel->pixel.f_pt[2];
projPixel->origColor.f[3] = projPixel->newColor.f[3] = projPixel->pixel.f_pt[3];
}
else {
projPixel->pixel.ch_pt = ((unsigned char *)ibuf->rect + ((x_px + y_px * ibuf->x) * 4));
@@ -4842,6 +4844,10 @@ static void project_state_init(bContext *C, Object *ob, ProjPaintState *ps)
ps->tool = brush->imagepaint_tool;
ps->blend = brush->blend;
/* sizeof ProjPixel, since we alloc this a _lot_ */
ps->pixel_sizeof = project_paint_pixel_sizeof(ps->tool);
BLI_assert(ps->pixel_sizeof >= sizeof(ProjPixel));
ps->is_airbrush = (brush->flag & BRUSH_AIRBRUSH) ? 1 : 0;
ps->is_texbrush = (brush->mtex.tex) ? 1 : 0;