til_fb: add draw flags for controlling texturability

Just adds TIL_FB_DRAW_FLAG_TEXTURABLE so callers can granularly
inhibit texturing if desired.

20 files changed, 42 insertions, 40 deletions

diff --git a/src/libs/txt/txt.c b/src/libs/txt/txt.c
index 02b753f..e1923b9 100644
--- a/src/libs/txt/txt.c
+++ b/src/libs/txt/txt.c
@@ -159,7 +159,7 @@ static inline void draw_char(til_fb_fragment_t *fragment, uint32_t color, int x,
 	for (int i = 0; i < ASCII_HEIGHT; i++) {
 		for (int j = 0; j < ASCII_WIDTH; j++) {
 			if (ascii_chars[c][i * ASCII_WIDTH + j])
-				til_fb_fragment_put_pixel_checked(fragment, x + j, y + i, color);
+				til_fb_fragment_put_pixel_checked(fragment, 0, x + j, y + i, color);
 		}
 	}
 }
diff --git a/src/modules/blinds/blinds.c b/src/modules/blinds/blinds.c
index 0a8342e..c4a94c9 100644
--- a/src/modules/blinds/blinds.c
+++ b/src/modules/blinds/blinds.c
@@ -69,7 +69,7 @@ static inline void draw_blind_horizontal(til_fb_fragment_t *fragment, unsigned r
 /* XXX FIXME: use faster block style fill/copy if til_fb gets that */
 	for (unsigned y = 0; y < height; y++) {
 		for (unsigned x = 0; x < fragment->width; x++)
-			til_fb_fragment_put_pixel_unchecked(fragment, fragment->x + x, fragment->y + y + row * row_height, 0xffffffff);
+			til_fb_fragment_put_pixel_unchecked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, fragment->x + x, fragment->y + y + row * row_height, 0xffffffff);
 	}
 }
 
@@ -83,7 +83,7 @@ static inline void draw_blind_vertical(til_fb_fragment_t *fragment, unsigned col
 /* XXX FIXME: use faster block style fill/copy if til_fb gets that */
 	for (unsigned y = 0; y < fragment->height; y++) {
 		for (unsigned x = 0; x < width; x++)
-			til_fb_fragment_put_pixel_unchecked(fragment, fragment->x + x + column * column_width, fragment->y + y, 0xffffffff);
+			til_fb_fragment_put_pixel_unchecked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, fragment->x + x + column * column_width, fragment->y + y, 0xffffffff);
 	}
 }
 
diff --git a/src/modules/checkers/checkers.c b/src/modules/checkers/checkers.c
index ba5f4c7..27da42b 100644
--- a/src/modules/checkers/checkers.c
+++ b/src/modules/checkers/checkers.c
@@ -147,7 +147,7 @@ static void checkers_render_fragment(void *context, unsigned ticks, unsigned cpu
 	if (!state)
 		til_fb_fragment_clear(fragment);
 	else
-		til_fb_fragment_fill(fragment, 0xffffffff);
+		til_fb_fragment_fill(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, 0xffffffff);
 }
 
 
diff --git a/src/modules/drizzle/drizzle.c b/src/modules/drizzle/drizzle.c
index 4fb62f6..5717bc7 100644
--- a/src/modules/drizzle/drizzle.c
+++ b/src/modules/drizzle/drizzle.c
@@ -146,7 +146,7 @@ static void drizzle_render_fragment(void *context, unsigned ticks, unsigned cpu,
 			color.z = puddle_sample(ctxt->puddle, &coord);
 
 			pixel = color_to_uint32(color);
-			til_fb_fragment_put_pixel_unchecked(fragment, x, y, pixel);
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, x, y, pixel);
 
 			coord.x += xf;
 		}
diff --git a/src/modules/flui2d/flui2d.c b/src/modules/flui2d/flui2d.c
index dae73d8..f8afffb 100644
--- a/src/modules/flui2d/flui2d.c
+++ b/src/modules/flui2d/flui2d.c
@@ -376,7 +376,7 @@ static void flui2d_render_fragment(void *context, unsigned ticks, unsigned cpu,
 			dx1 += ctxt->fluid.dens_b[(int)IX(x1, y1)] * (X - x0);
 			b = dx0 * (1.f - (Y - y0)) + dx1 * (Y - y0);
 
-			til_fb_fragment_put_pixel_unchecked(fragment, x, y, gamma_color_to_uint32_rgb(r, g, b));
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, x, y, gamma_color_to_uint32_rgb(r, g, b));
 		}
 	}
 }
diff --git a/src/modules/meta2d/meta2d.c b/src/modules/meta2d/meta2d.c
index 01bbc58..24af28c 100644
--- a/src/modules/meta2d/meta2d.c
+++ b/src/modules/meta2d/meta2d.c
@@ -206,7 +206,7 @@ static void meta2d_render_fragment(void *context, unsigned ticks, unsigned cpu,
 				color = (v3f_t){};
 
 			pixel = color_to_uint32(color);
-			til_fb_fragment_put_pixel_unchecked(fragment, x, y, pixel);
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, x, y, pixel);
 		}
 	}
 }
diff --git a/src/modules/pixbounce/pixbounce.c b/src/modules/pixbounce/pixbounce.c
index e864763..b8b2572 100644
--- a/src/modules/pixbounce/pixbounce.c
+++ b/src/modules/pixbounce/pixbounce.c
@@ -218,7 +218,7 @@ static void pixbounce_render_fragment(void *context, unsigned ticks, unsigned cp
 			int pix_offset = ((cursor_y/ctxt->multiplier)*pix_width) + (cursor_x/ctxt->multiplier);
 			if(pix_map[ctxt->pix_num][pix_offset] == 0) continue;
 			til_fb_fragment_put_pixel_unchecked(
-					fragment, ctxt->x+cursor_x, ctxt->y+cursor_y,
+					fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, ctxt->x+cursor_x, ctxt->y+cursor_y,
 					ctxt->color
 				);
 		}
diff --git a/src/modules/plato/plato.c b/src/modules/plato/plato.c
index 163a785..18f02e3 100644
--- a/src/modules/plato/plato.c
+++ b/src/modules/plato/plato.c
@@ -563,7 +563,7 @@ static void draw_line(til_fb_fragment_t *fragment, int x1, int y1, int x2, int y
 				minor -= x_delta;
 			}
 
-			til_fb_fragment_put_pixel_checked(fragment, x1, y1, 0xffffffff);
+			til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, x1, y1, 0xffffffff);
 		}
 	} else {
 		/* Y-major */
@@ -573,7 +573,7 @@ static void draw_line(til_fb_fragment_t *fragment, int x1, int y1, int x2, int y
 				minor -= y_delta;
 			}
 
-			til_fb_fragment_put_pixel_checked(fragment, x1, y1, 0xffffffff);
+			til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, x1, y1, 0xffffffff);
 		}
 	}
 }
diff --git a/src/modules/snow/snow.c b/src/modules/snow/snow.c
index dc49a1a..8befc92 100644
--- a/src/modules/snow/snow.c
+++ b/src/modules/snow/snow.c
@@ -60,7 +60,7 @@ static void snow_render_fragment(void *context, unsigned ticks, unsigned cpu, ti
 			uint32_t	pixel = rand_r(seed) % 256;
 #endif
 
-			til_fb_fragment_put_pixel_unchecked(fragment, x, y, pixel << 16 | pixel << 8 | pixel);
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, x, y, pixel << 16 | pixel << 8 | pixel);
 		}
 	}
 }
diff --git a/src/modules/sparkler/particles.c b/src/modules/sparkler/particles.c
index a567cea..2389e93 100644
--- a/src/modules/sparkler/particles.c
+++ b/src/modules/sparkler/particles.c
@@ -265,7 +265,7 @@ static void draw_line(til_fb_fragment_t *fragment, int x1, int y1, int x2, int y
 				minor -= x_delta;
 			}
 
-			til_fb_fragment_put_pixel_checked(fragment, x1, y1, 0xffffffff);
+			til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, x1, y1, 0xffffffff);
 		}
 	} else {
 		/* Y-major */
@@ -275,7 +275,7 @@ static void draw_line(til_fb_fragment_t *fragment, int x1, int y1, int x2, int y
 				minor -= y_delta;
 			}
 
-			til_fb_fragment_put_pixel_checked(fragment, x1, y1, 0xffffffff);
+			til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, x1, y1, 0xffffffff);
 		}
 	}
 }
diff --git a/src/modules/sparkler/rocket.c b/src/modules/sparkler/rocket.c
index 3885304..0949d30 100644
--- a/src/modules/sparkler/rocket.c
+++ b/src/modules/sparkler/rocket.c
@@ -129,7 +129,7 @@ static void rocket_draw(particles_t *particles, const particles_conf_t *conf, pa
 		/* kill off parts that wander off screen */
 		return;
 
-	til_fb_fragment_put_pixel_unchecked(f, x, y, 0xff0000);
+	til_fb_fragment_put_pixel_unchecked(f, 0, x, y, 0xff0000);
 }
 
 
diff --git a/src/modules/sparkler/simple.c b/src/modules/sparkler/simple.c
index 14c5d49..78e415b 100644
--- a/src/modules/sparkler/simple.c
+++ b/src/modules/sparkler/simple.c
@@ -104,7 +104,7 @@ static void simple_draw(particles_t *particles, const particles_conf_t *conf, pa
 		/* immediately kill off stars that wander off screen */
 		return;
 
-	til_fb_fragment_put_pixel_unchecked(f, x, y, makergb(0xff, 0xff, 0xff, ((float)ctxt->longevity / ctxt->lifetime)));
+	til_fb_fragment_put_pixel_unchecked(f, 0, x, y, makergb(0xff, 0xff, 0xff, ((float)ctxt->longevity / ctxt->lifetime)));
 }
 
 
diff --git a/src/modules/sparkler/spark.c b/src/modules/sparkler/spark.c
index 8eff728..8627baa 100644
--- a/src/modules/sparkler/spark.c
+++ b/src/modules/sparkler/spark.c
@@ -54,7 +54,7 @@ static void spark_draw(particles_t *particles, const particles_conf_t *conf, par
 		/* offscreen */
 		return;
 
-	til_fb_fragment_put_pixel_unchecked(f, x, y, makergb(0xff, 0xa0, 0x20, ((float)ctxt->longevity / ctxt->lifetime)));
+	til_fb_fragment_put_pixel_unchecked(f, 0, x, y, makergb(0xff, 0xa0, 0x20, ((float)ctxt->longevity / ctxt->lifetime)));
 }
 
 
diff --git a/src/modules/sparkler/xplode.c b/src/modules/sparkler/xplode.c
index 931ec83..31f56fd 100644
--- a/src/modules/sparkler/xplode.c
+++ b/src/modules/sparkler/xplode.c
@@ -72,7 +72,7 @@ static void xplode_draw(particles_t *particles, const particles_conf_t *conf, pa
 		color = makergb(0xff, 0xff, 0x00, ((float)ctxt->longevity / ctxt->lifetime));
 	}
 
-	til_fb_fragment_put_pixel_unchecked(f, x, y, color);
+	til_fb_fragment_put_pixel_unchecked(f, 0, x, y, color);
 }
 
 
diff --git a/src/modules/spiro/spiro.c b/src/modules/spiro/spiro.c
index f588638..b51b22d 100644
--- a/src/modules/spiro/spiro.c
+++ b/src/modules/spiro/spiro.c
@@ -91,7 +91,7 @@ static void spiro_render_fragment(void *context, unsigned ticks, unsigned cpu, t
 		float my_y=((1.f-k)*sinf(t))-(l*k*sinf(((1.f-k)/k)*t));
 		int pos_x=display_origin_x+(my_x*display_R);
 		int pos_y=display_origin_y+(my_y*display_R);
-		til_fb_fragment_put_pixel_unchecked(fragment, pos_x, pos_y,
+		til_fb_fragment_put_pixel_unchecked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, pos_x, pos_y,
 			makergb(sinf(M_1_PI*t)*127+128,
 				sinf(M_1_PI*t+(2*M_PI*.333333333333f))*127+128,
 				sinf(M_1_PI*t+(4*M_PI*.333333333333f))*127+128,
@@ -100,31 +100,31 @@ static void spiro_render_fragment(void *context, unsigned ticks, unsigned cpu, t
 
 #ifdef DEBUG
 	/* plot the origin point */
-	til_fb_fragment_put_pixel_unchecked(fragment, display_origin_x, display_origin_y,
+	til_fb_fragment_put_pixel_unchecked(fragment, 0, display_origin_x, display_origin_y,
 		makergb(0xFF, 0xFF, 0x00, 1));
 
 	/* plot the fixed outer circle C0 */
 	for(float a=0.f; a<2*M_PI; a+= M_PI_2/display_R) {
 		int pos_x=display_origin_x+(cosf(a)*display_R);
 		int pos_y=display_origin_y+(sinf(a)*display_R);
-		til_fb_fragment_put_pixel_unchecked(fragment, pos_x, pos_y,
+		til_fb_fragment_put_pixel_unchecked(fragment, 0, pos_x, pos_y,
 			makergb(0xFF, 0xFF, 0x00, 1));
 	}
 
 	/* plot inner circle Ci */
-	til_fb_fragment_put_pixel_unchecked(fragment, display_origin_x+display_R-(ctxt->r*display_R),
+	til_fb_fragment_put_pixel_unchecked(fragment, 0, display_origin_x+display_R-(ctxt->r*display_R),
 		display_origin_y, makergb(0xFF, 0xFF, 0x00, 1));
 
 	for(float a=0.f; a<2*M_PI; a+= M_PI_2/display_R) {
 		int pos_x=display_origin_x+display_R-(ctxt->r*display_R)+
 			(cosf(a)*ctxt->r*display_R);
 		int pos_y=display_origin_y+(sinf(a)*ctxt->r*display_R);
-		til_fb_fragment_put_pixel_unchecked(fragment, pos_x, pos_y,
+		til_fb_fragment_put_pixel_unchecked(fragment, 0, pos_x, pos_y,
 			makergb(0xFF, 0xFF, 0x00, 1));
 	}
 
 	/* plot p */
-	til_fb_fragment_put_pixel_unchecked(fragment, display_origin_x+display_R-(ctxt->r*display_R)+
+	til_fb_fragment_put_pixel_unchecked(fragment, 0, display_origin_x+display_R-(ctxt->r*display_R)+
 		(ctxt->p*display_R), display_origin_y, makergb(0xFF, 0xFF, 0x00, 1));
 #endif
 
diff --git a/src/modules/stars/stars.c b/src/modules/stars/stars.c
index 43e7622..e975c7c 100644
--- a/src/modules/stars/stars.c
+++ b/src/modules/stars/stars.c
@@ -159,7 +159,7 @@ static void stars_render_fragment(void *context, unsigned ticks, unsigned cpu, t
 			opacity = 1;
 
 		if (pos_x>0 && pos_x<width && pos_y>0 && pos_y<height)
-			til_fb_fragment_put_pixel_unchecked(fragment, pos_x, pos_y,
+			til_fb_fragment_put_pixel_unchecked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, pos_x, pos_y,
 				makergb(0xFF, 0xFF, 0xFF, opacity));
 
 		for(int my_y=floorf(pos_y-max_radius); my_y<=(int)ceilf(pos_y+max_radius); my_y++)
@@ -174,7 +174,7 @@ static void stars_render_fragment(void *context, unsigned ticks, unsigned cpu, t
 				continue;
 
 
-			til_fb_fragment_put_pixel_unchecked(fragment, my_x, my_y,
+			til_fb_fragment_put_pixel_unchecked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, my_x, my_y,
 				makergb(0xFF, 0xFF, 0xFF, opacity));
 
 		}
diff --git a/src/modules/submit/submit.c b/src/modules/submit/submit.c
index f0be5eb..1f3a2ae 100644
--- a/src/modules/submit/submit.c
+++ b/src/modules/submit/submit.c
@@ -200,7 +200,7 @@ static void draw_grid(submit_context_t *ctxt, til_fb_fragment_t *fragment)
 
 			/* TODO: this could be optimized a bit! i.e. don't recompute the y for every x etc. */
 			color = sample_grid(ctxt, .5f + ((float)(fragment->x + x)) * xscale, .5f + ((float)(fragment->y + y)) * yscale);
-			til_fb_fragment_put_pixel_unchecked(fragment, fragment->x + x, fragment->y + y, color);
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, fragment->x + x, fragment->y + y, color);
 		}
 	}
 }
@@ -217,7 +217,7 @@ static void draw_grid_bilerp(submit_context_t *ctxt, til_fb_fragment_t *fragment
 
 			/* TODO: this could be optimized a bit! i.e. don't recompute the y for every x etc. */
 			color = sample_grid_bilerp(ctxt, .5f + ((float)(fragment->x + x)) * xscale, .5f + ((float)(fragment->y + y)) * yscale);
-			til_fb_fragment_put_pixel_unchecked(fragment, fragment->x + x, fragment->y + y, color);
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, fragment->x + x, fragment->y + y, color);
 		}
 	}
 }
diff --git a/src/modules/swab/swab.c b/src/modules/swab/swab.c
index 8c71049..90f7a36 100644
--- a/src/modules/swab/swab.c
+++ b/src/modules/swab/swab.c
@@ -127,7 +127,7 @@ static void swab_render_fragment(void *context, unsigned ticks, unsigned cpu, ti
 			color.b = din(ctxt->din, &(v3f_t){ .x = xscaled * .81f, .y = yscaled * .81f, .z = z2 }) * t;
 
 			pixel = color_to_uint32(color);
-			til_fb_fragment_put_pixel_unchecked(fragment, x, y, pixel);
+			til_fb_fragment_put_pixel_unchecked(fragment, 0, x, y, pixel);
 		}
 	}
 }
diff --git a/src/modules/swarm/swarm.c b/src/modules/swarm/swarm.c
index e2381ab..2d37e28 100644
--- a/src/modules/swarm/swarm.c
+++ b/src/modules/swarm/swarm.c
@@ -333,7 +333,7 @@ static void swarm_draw_as_points(swarm_context_t *ctxt, til_fb_fragment_t *fragm
 		boid_t	*b = &ctxt->boids[i];
 		v2f_t	nc = swarm_scale(swarm_project_point(ctxt, &b->position), scale);
 
-		til_fb_fragment_put_pixel_checked(fragment, nc.x, nc.y, color);
+		til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, nc.x, nc.y, color);
 	}
 }
 
@@ -357,7 +357,7 @@ static void draw_line_unchecked(til_fb_fragment_t *fragment, int x1, int y1, int
 				minor -= x_delta;
 			}
 			/* XXX FIXME: segfaults occasionally when _unchecked !!! */
-			til_fb_fragment_put_pixel_checked(fragment, x1, y1, color);
+			til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, x1, y1, color);
 		}
 	} else {
 		/* Y-major */
@@ -368,7 +368,7 @@ static void draw_line_unchecked(til_fb_fragment_t *fragment, int x1, int y1, int
 			}
 
 			/* XXX FIXME: segfaults occasionally when _unchecked !!! */
-			til_fb_fragment_put_pixel_checked(fragment, x1, y1, color);
+			til_fb_fragment_put_pixel_checked(fragment, TIL_FB_DRAW_FLAG_TEXTURABLE, x1, y1, color);
 		}
 	}
 }
diff --git a/src/til_fb.h b/src/til_fb.h
index 3ebede7..a9636e4 100644
--- a/src/til_fb.h
+++ b/src/til_fb.h
@@ -11,6 +11,8 @@
 
 typedef struct til_fb_fragment_t til_fb_fragment_t;
 
+#define TIL_FB_DRAW_FLAG_TEXTURABLE	0x1
+
 /* All renderers should target fb_fragment_t, which may or may not represent
  * a full-screen mmap.  Helpers are provided for subdividing fragments for
  * concurrent renderers.
@@ -83,9 +85,9 @@ static inline uint32_t til_fb_fragment_get_pixel_unchecked(til_fb_fragment_t *fr
 
 
 /* puts a pixel into the fragment, no bounds checking is performed. */
-static inline void til_fb_fragment_put_pixel_unchecked(til_fb_fragment_t *fragment, int x, int y, uint32_t pixel)
+static inline void til_fb_fragment_put_pixel_unchecked(til_fb_fragment_t *fragment, uint32_t flags, int x, int y, uint32_t pixel)
 {
-	if (fragment->texture)
+	if (fragment->texture && (flags & TIL_FB_DRAW_FLAG_TEXTURABLE))
 		pixel = til_fb_fragment_get_pixel_unchecked(fragment->texture, x, y);
 
 	fragment->buf[(y - fragment->y) * fragment->pitch + x - fragment->x] = pixel;
@@ -93,19 +95,19 @@ static inline void til_fb_fragment_put_pixel_unchecked(til_fb_fragment_t *fragme
 
 
 /* puts a pixel into the fragment, bounds checking is performed with a draw performed return status */
-static inline int til_fb_fragment_put_pixel_checked(til_fb_fragment_t *fragment, int x, int y, uint32_t pixel)
+static inline int til_fb_fragment_put_pixel_checked(til_fb_fragment_t *fragment, uint32_t flags, int x, int y, uint32_t pixel)
 {
 	if (!til_fb_fragment_contains(fragment, x, y))
 		return 0;
 
-	til_fb_fragment_put_pixel_unchecked(fragment, x, y, pixel);
+	til_fb_fragment_put_pixel_unchecked(fragment, flags, x, y, pixel);
 
 	return 1;
 }
 
 
 /* copy a fragment, x,y,width,height are absolute coordinates within the frames, and will be clipped to the overlapping fragment areas */
-static inline void til_fb_fragment_copy(til_fb_fragment_t *dest, int x, int y, int width, int height, til_fb_fragment_t *src)
+static inline void til_fb_fragment_copy(til_fb_fragment_t *dest, uint32_t flags, int x, int y, int width, int height, til_fb_fragment_t *src)
 {
 	int	X = MAX(dest->x, src->x);
 	int	Y = MAX(dest->y, src->y);
@@ -123,7 +125,7 @@ static inline void til_fb_fragment_copy(til_fb_fragment_t *dest, int x, int y, i
 	/* XXX FIXME TODO */
 	for (int v = 0; v < H; v++) {
 		for (int u = 0; u < W; u++)
-			til_fb_fragment_put_pixel_unchecked(dest, X + u, Y + v, til_fb_fragment_get_pixel_unchecked(src, X + u, Y + v));
+			til_fb_fragment_put_pixel_unchecked(dest, flags, X + u, Y + v, til_fb_fragment_get_pixel_unchecked(src, X + u, Y + v));
 	}
 }
 
@@ -142,13 +144,13 @@ static inline void _til_fb_fragment_fill(til_fb_fragment_t *fragment, uint32_t p
 
 
 /* fill a fragment with an arbitrary pixel */
-static inline void til_fb_fragment_fill(til_fb_fragment_t *fragment, uint32_t pixel)
+static inline void til_fb_fragment_fill(til_fb_fragment_t *fragment, uint32_t flags, uint32_t pixel)
 {
-	if (!fragment->texture)
+	if (!(fragment->texture && (flags & TIL_FB_DRAW_FLAG_TEXTURABLE)))
 		return _til_fb_fragment_fill(fragment, pixel);
 
 	/* when a texture is present, pixel is ignored and instead sourced from fragment->texture->buf[y*pitch+x] */
-	til_fb_fragment_copy(fragment, fragment->x, fragment->y, fragment->width, fragment->height, fragment->texture);
+	til_fb_fragment_copy(fragment, flags, fragment->x, fragment->y, fragment->width, fragment->height, fragment->texture);
 }