From c7fa9a0fa2a4920d30464f23f1fc604ff38426e7 Mon Sep 17 00:00:00 2001 From: Bigfoot71 Date: Sat, 22 Mar 2025 20:00:32 +0100 Subject: [PATCH] review `swCopyFramebuffer` --- src/external/rlsw.h | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/src/external/rlsw.h b/src/external/rlsw.h index 70762152d..4d77bdc68 100644 --- a/src/external/rlsw.h +++ b/src/external/rlsw.h @@ -3145,12 +3145,16 @@ void swCopyFramebuffer(int x, int y, int w, int h, SWformat format, SWtype type, { sw_pixelformat_e pFormat = sw_get_pixel_format(format, type); + void* src = RLSW.framebuffer.color; + + int srcW = RLSW.framebuffer.width; + int srcHm1 = RLSW.framebuffer.height - 1; + for (int y = 0; y < h; y++) { for (int x = 0; x < w; x++) { float color[4]; - int offset = y * RLSW.framebuffer.width + x; - sw_framebuffer_read_color(color, sw_framebuffer_get_color_addr(RLSW.framebuffer.color, offset)); - sw_set_pixel(pixels, offset, pFormat, color); + sw_framebuffer_read_color(color, sw_framebuffer_get_color_addr(src, (srcHm1 - y) * srcW + x)); + sw_set_pixel(pixels, y * srcW + x, pFormat, color); } } }