From 42911b6d4ae08e595da81e8e8d9648f7fcb4812c Mon Sep 17 00:00:00 2001 From: Mylloon Date: Wed, 24 Apr 2024 02:06:02 +0200 Subject: [PATCH] fix mandelbrot --- src/mandelbrot.c | 45 +++++++++++++++++++++++++-------------------- 1 file changed, 25 insertions(+), 20 deletions(-) diff --git a/src/mandelbrot.c b/src/mandelbrot.c index 587410e..1f58783 100644 --- a/src/mandelbrot.c +++ b/src/mandelbrot.c @@ -88,26 +88,15 @@ torgb(int n) } void -draw_pixel(void *closure, struct scheduler *s) +pixel(unsigned int *image, double scale, int x, int y, int dx, int dy, + int width) { - struct mandelbrot_args *args = (struct mandelbrot_args *)closure; - unsigned int *image = args->image; - double scale = args->scale; - int dx = args->dx; - int dy = args->dy; - int width = args->width; - - (void)s; // pas de nouvelle tâche dans le scheduler - - free(closure); - - unsigned rgb = torgb(mandel(toc(dx, dy, dx, dy, scale))); - - image[dy * width + dx] = rgb; + unsigned rgb = torgb(mandel(toc(x, y, dx, dy, scale))); + image[y * width + x] = rgb; } void -draw(void *closure, struct scheduler *s) +draw_pixel(void *closure, struct scheduler *s) { struct mandelbrot_args *args = (struct mandelbrot_args *)closure; unsigned int *image = args->image; @@ -117,12 +106,29 @@ draw(void *closure, struct scheduler *s) int dx = args->dx; int dy = args->dy; int width = args->width; + + (void)s; // pas de nouvelle tâche dans le scheduler + + free(closure); + + pixel(image, scale, x, y, dx, dy, width); +} + +void +draw(void *closure, struct scheduler *s) +{ + struct mandelbrot_args *args = (struct mandelbrot_args *)closure; + unsigned int *image = args->image; + double scale = args->scale; + int dx = args->dx; + int dy = args->dy; + int width = args->width; int height = args->height; free(closure); - for(; y < height; y++) { - for(; x < width; x++) { + for(int y = 0; y < height; y++) { + for(int x = 0; x < width; x++) { int rc = sched_spawn( draw_pixel, new_mandelbrot_args(image, scale, x, y, dx, dy, width, height), @@ -138,8 +144,7 @@ draw_serial(unsigned int *image, double scale, int dx, int dy, int width, { for(int y = 0; y < height; y++) { for(int x = 0; x < width; x++) { - unsigned rgb = torgb(mandel(toc(x, y, dx, dy, scale))); - image[y * width + x] = rgb; + pixel(image, scale, x, y, dx, dy, width); } } }