[Bf-blender-cvs] [0ea187eb0dd] temp-greasepencil-vfx: Cleanup: Fix comments

[Antonio Vazquez]

Commit: 0ea187eb0dd359f83370d6fb1b12f22586ef0519
Author: Antonio Vazquez
Date:   Thu Jun 28 13:13:26 2018 +0200
Branches: temp-greasepencil-vfx
https://developer.blender.org/rB0ea187eb0dd359f83370d6fb1b12f22586ef0519

Cleanup: Fix comments

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M	source/blender/draw/engines/gpencil/gpencil_shader_fx.c

===================================================================

diff --git a/source/blender/draw/engines/gpencil/gpencil_shader_fx.c b/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
index f01d37af42c..0e18bc1eae7 100644
--- a/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
+++ b/source/blender/draw/engines/gpencil/gpencil_shader_fx.c
@@ -536,7 +536,7 @@ static void gpencil_draw_fx_pass(GPENCIL_e_data *e_data,
 	GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f);
 
 	/* draw effect pass in temp texture (B) using as source the previous image
-	 * existing the the other temp texture (A) */
+	 * existing in the other temp texture (A) */
 	DRW_draw_pass_subset(fxpass, shgrp, shgrp);
 
 	/* copy pass from b to a for ping-pong frame buffers */
@@ -563,6 +563,13 @@ static void gpencil_blur_passes(struct GPENCIL_e_data *e_data,
 	float bx = stl->fx[ob_idx].fx_blur.radius[0];
 	float by = stl->fx[ob_idx].fx_blur.radius[1];
 
+	/* the blur is done in two steps (Hor/Ver) because is faster and
+	 * gets better result
+	 *
+	 * samples could be 0 and disable de blur effects because sometimes
+	 * is easier animate the number of samples only, instead to animate the
+	 * hide/unhide and the number of samples to make some effects.
+	 */
 	for (int b = 0; b < samples; b++) {
 		/* horizontal */
 		if (bx > 0) {