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| author | notaz | 2011-09-27 23:13:08 +0300 |
|---|---|---|
| committer | notaz | 2011-09-27 23:13:08 +0300 |
| commit | 22ea665be74b8bc9e916f2d617a714281018f262 (patch) | |
| tree | 7351e87c70652042a0bcfbaf2e03b48cd84fea9f /plugins/dfxvideo/soft.c | |
| parent | 61ef5cf48ec7019f10f83017667e681ff8288509 (diff) | |
| download | pcsx_rearmed-22ea665be74b8bc9e916f2d617a714281018f262.tar.gz pcsx_rearmed-22ea665be74b8bc9e916f2d617a714281018f262.tar.bz2 pcsx_rearmed-22ea665be74b8bc9e916f2d617a714281018f262.zip | |
dfxvideo: remove unneeded double division in line code
Diffstat (limited to 'plugins/dfxvideo/soft.c')
| -rw-r--r-- | plugins/dfxvideo/soft.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/plugins/dfxvideo/soft.c b/plugins/dfxvideo/soft.c index 160b0c4..c1c3bef 100644 --- a/plugins/dfxvideo/soft.c +++ b/plugins/dfxvideo/soft.c @@ -7092,7 +7092,7 @@ static void DrawSoftwareLineShade(int32_t rgb0, int32_t rgb1) { short x0, y0, x1, y1, xt, yt; int32_t rgbt; - double m, dy, dx; + int dy, dx; if (lx0 > drawW && lx1 > drawW) return; if (ly0 > drawH && ly1 > drawH) return; @@ -7142,17 +7142,15 @@ static void DrawSoftwareLineShade(int32_t rgb0, int32_t rgb1) dy = y1 - y0; } - m = dy / dx; - - if (m >= 0) + if ((dx >= 0 && dy >= 0) || (dx < 0 && dy < 0)) { - if (m > 1) + if (abs(dy) > abs(dx)) Line_S_SE_Shade(x0, y0, x1, y1, rgb0, rgb1); else Line_E_SE_Shade(x0, y0, x1, y1, rgb0, rgb1); } else - if (m < -1) + if (abs(dy) > abs(dx)) Line_N_NE_Shade(x0, y0, x1, y1, rgb0, rgb1); else Line_E_NE_Shade(x0, y0, x1, y1, rgb0, rgb1); @@ -7164,7 +7162,7 @@ static void DrawSoftwareLineShade(int32_t rgb0, int32_t rgb1) static void DrawSoftwareLineFlat(int32_t rgb) { short x0, y0, x1, y1, xt, yt; - double m, dy, dx; + int dy, dx; unsigned short colour = 0; if (lx0 > drawW && lx1 > drawW) return; @@ -7216,17 +7214,15 @@ static void DrawSoftwareLineFlat(int32_t rgb) dy = y1 - y0; } - m = dy/dx; - - if (m >= 0) + if ((dx >= 0 && dy >= 0) || (dx < 0 && dy < 0)) { - if (m > 1) + if (abs(dy) > abs(dx)) Line_S_SE_Flat(x0, y0, x1, y1, colour); else Line_E_SE_Flat(x0, y0, x1, y1, colour); } else - if (m < -1) + if (abs(dy) > abs(dx)) Line_N_NE_Flat(x0, y0, x1, y1, colour); else Line_E_NE_Flat(x0, y0, x1, y1, colour); |