diff options
| -rwxr-xr-x | graphics.c | 4 | ||||
| -rwxr-xr-x | reduced_system_layer.c | 42 |
2 files changed, 28 insertions, 18 deletions
@@ -313,13 +313,13 @@ void draw_pixels_to_buffer(Pixel_Buffer dst, Box area, Pixel_Buffer src) { f64 di = src.width / area.width; f64 dj = src.height / area.height; - f64 jj = (j0 - area.y) * dj; + f64 jj = (j0 - area.y) * dj + dj * .5; for (i64 j = j0; j < j1; ++j, jj += dj) { if (jj < 0 || jj >= src.height) continue; vec4_f32 *d = dst.pixels + j * dst.stride + i0; vec4_f32 *d_end = d + i1 - i0; vec4_f32 *s = src.pixels + (i64) jj * src.stride; - f64 ii = (i0 - area.x) * di; + f64 ii = (i0 - area.x) * di + di * .5; if (ii < 0 || ii >= src.width) continue; for (; d < d_end; ++d, ii += di) put_pixel_(d, s[(i64) ii]); diff --git a/reduced_system_layer.c b/reduced_system_layer.c index 5e0ef67..2b9ae9e 100755 --- a/reduced_system_layer.c +++ b/reduced_system_layer.c @@ -287,7 +287,7 @@ i32 main(i32 argc, c8 **argv); // The pixel size will increase when the frame duration is higher. #ifndef MAX_FRAME_DURATION -#define MAX_FRAME_DURATION 32 +#define MAX_FRAME_DURATION 83 #endif // The pixel size value will reset if the frame duration is higher. @@ -1623,23 +1623,33 @@ static void convert_pixels_for_window_(void) { return; } - if (src_len > dst_len) { - LOG_ERROR("Sanity"); - return; - } - f64 di = ((f64) src_width) / dst_width; f64 dj = ((f64) src_height) / dst_height; - f64 jj = src_height - dj; - for (i64 j = dst_height - 1; j >= 0; --j, jj -= dj) { - if (jj < 0 || jj >= src_height) continue; - u32 *d_first = _internal_pixels + j * dst_width; - u32 *d = d_first + dst_width - 1; - u32 *s = _internal_pixels + (i64) jj * src_width; - f64 ii = src_width - di; - if (ii < 0 || ii >= src_width) continue; - for (; d >= d_first; --d, ii -= di) - *d = s[(i64) ii]; + + if (src_len < dst_len) { + f64 jj = src_height - dj * .5; + for (i64 j = dst_height - 1; j >= 0; --j, jj -= dj) { + if (jj < 0 || jj >= src_height) continue; + u32 *d_first = _internal_pixels + j * dst_width; + u32 *d = d_first + dst_width - 1; + u32 *s = _internal_pixels + (i64) jj * src_width; + f64 ii = src_width - di * .5; + if (ii < 0 || ii >= src_width) continue; + for (; d >= d_first; --d, ii -= di) + *d = s[(i64) ii]; + } + } else { + f64 jj = dj * .5; + for (i64 j = 0; j < dst_height; ++j, jj += dj) { + if (jj < 0 || jj >= src_height) continue; + u32 *d = _internal_pixels + j * dst_width; + u32 *d_end = d + dst_width; + u32 *s = _internal_pixels + (i64) jj * src_width; + f64 ii = di * .5; + if (ii < 0 || ii >= src_width) continue; + for (; d < d_end; ++d, ii += di) + *d = s[(i64) ii]; + } } } } |