From 5346c93b62f0da45977fc1672b0fa7f5ff38a7cd Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 8 Jan 2022 12:28:43 -0800
Subject: [PATCH] Fixed assertion on number of points rendered
---
src/render/SDL_render.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 2ffdae508aa..bb9dfaa0b01 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -2832,7 +2832,7 @@ static int plotLineLow(SDL_Renderer *renderer, float x0, float y0, float x1, flo
D = (2 * dy) - dx;
y = y0;
- for (x = x0; x <= x1; ++x) {
+ for (render_count = 0, x = x0; x <= x1; ++x, ++render_count) {
tmp->x = x;
tmp->y = y;
tmp++;
@@ -2843,12 +2843,9 @@ static int plotLineLow(SDL_Renderer *renderer, float x0, float y0, float x1, flo
D += 2*dy;
}
}
- SDL_assert((tmp - points) == count);
- if (draw_last) {
- render_count = count;
- } else {
- render_count = count - 1;
+ if (!draw_last) {
+ --render_count;
}
if (draw_first) {
render_points = points;
@@ -2892,7 +2889,7 @@ static int plotLineHigh(SDL_Renderer *renderer, float x0, float y0, float x1, fl
D = (2 * dx) - dy;
x = x0;
- for (y = y0; y <= y1; ++y) {
+ for (render_count = 0, y = y0; y <= y1; ++y, ++render_count) {
tmp->x = x;
tmp->y = y;
tmp++;
@@ -2903,12 +2900,9 @@ static int plotLineHigh(SDL_Renderer *renderer, float x0, float y0, float x1, fl
D += 2*dx;
}
}
- SDL_assert((tmp - points) == count);
- if (draw_last) {
- render_count = count;
- } else {
- render_count = count - 1;
+ if (!draw_last) {
+ --render_count;
}
if (draw_first) {
render_points = points;