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platform sdl, fix screen clearing if line pitch isn't width

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kub 2022-09-28 18:46:32 +00:00
parent 6370b1d401
commit a1ef15a783
1 changed files with 2 additions and 2 deletions
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4
platform/common/plat_sdl.c
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@ -191,7 +191,7 @@ void plat_video_flip(void)
g_screen_ptr = plat_sdl_screen->pixels; g_screen_ptr = plat_sdl_screen->pixels;
plat_video_set_buffer(g_screen_ptr); plat_video_set_buffer(g_screen_ptr);
if (clear_buf_cnt) { if (clear_buf_cnt) {
memset(g_screen_ptr, 0, plat_sdl_screen->w*plat_sdl_screen->h * 2); memset(g_screen_ptr, 0, plat_sdl_screen->pitch*plat_sdl_screen->h);
clear_buf_cnt--; clear_buf_cnt--;
} }
} }
@ -225,7 +225,7 @@ void plat_video_clear_buffers(void)
if (plat_sdl_overlay || plat_sdl_gl_active) if (plat_sdl_overlay || plat_sdl_gl_active)
memset(shadow_fb, 0, g_menuscreen_w * g_menuscreen_h * 2); memset(shadow_fb, 0, g_menuscreen_w * g_menuscreen_h * 2);
else { else {
memset(g_screen_ptr, 0, plat_sdl_screen->w*plat_sdl_screen->h * 2); memset(g_screen_ptr, 0, plat_sdl_screen->pitch*plat_sdl_screen->h);
clear_buf_cnt = 3; // do it thrice in case of triple buffering clear_buf_cnt = 3; // do it thrice in case of triple buffering
} }
} }