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review swCopyFramebuffer

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This commit is contained in:
Bigfoot71 2025-03-22 20:00:32 +01:00
parent 02f7d3146b
commit c7fa9a0fa2
1 changed files with 7 additions and 3 deletions
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10
src/external/rlsw.h vendored
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@ -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);
}
}
}