From 4b0bf2bc68a317b98382823ea2b7dd2e77ec8d37 Mon Sep 17 00:00:00 2001 From: twinaphex Date: Mon, 14 Aug 2017 08:43:57 +0200 Subject: Rewrite C++ comments --- source/clip.c | 90 +++++++++++++++++++++++++++++------------------------------ 1 file changed, 45 insertions(+), 45 deletions(-) (limited to 'source/clip.c') diff --git a/source/clip.c b/source/clip.c index cc0f48b..db68e1e 100644 --- a/source/clip.c +++ b/source/clip.c @@ -56,7 +56,7 @@ void ComputeClipWindows() { if ((Memory.FillRAM [0x2130] & 0xc0) == 0xc0) { - // The whole of the main screen is switched off, completely clip everything. + /* The whole of the main screen is switched off, completely clip everything. */ for (i = 0; i < 6; i++) { IPPU.Clip [c].Count [i] = 1; @@ -68,9 +68,9 @@ void ComputeClipWindows() else if ((Memory.FillRAM [0x2130] & 0xc0) == 0x00) continue; } - else if ((Memory.FillRAM [0x2130] & 0x30) == 0x30) // .. colour window on the sub-screen. + else if ((Memory.FillRAM [0x2130] & 0x30) == 0x30) /* .. colour window on the sub-screen. */ { - // The sub-screen is switched off, completely clip everything. + /* The sub-screen is switched off, completely clip everything. */ int32_t i; for (i = 0; i < 6; i++) { @@ -121,8 +121,8 @@ void ComputeClipWindows() } else { - // 'outside' a window with no range - - // appears to be the whole screen. + /* 'outside' a window with no range - + * appears to be the whole screen. */ Win1[Window1Enabled].Left = 0; Win1[Window1Enabled++].Right = 256; } @@ -164,12 +164,12 @@ void ComputeClipWindows() } if (Window1Enabled && Window2Enabled) { - // Overlap logic - // - // Each window will be in one of three states: - // 1. (Left > Right. One band) - // 2. | ---------------- | (Left >= 0, Right <= 255, Left <= Right. One band) - // 3. |------------ ----------| (Left1 == 0, Right1 < Left2; Left2 > Right1, Right2 == 255. Two bands) + /* Overlap logic + * + * Each window will be in one of three states: + * 1. (Left > Right. One band) + * 2. | ---------------- | (Left >= 0, Right <= 255, Left <= Right. One band) + * 3. |------------ ----------| (Left1 == 0, Right1 < Left2; Left2 > Right1, Right2 == 255. Two bands) */ Band Bands [6]; int32_t B = 0; switch (PPU.ClipWindowOverlapLogic [w] ^ 1) @@ -180,7 +180,7 @@ void ComputeClipWindows() if (BAND_EMPTY(Win1[0])) { B = Window2Enabled; - // memmove converted: Different stack allocations [Neb] + /* memmove converted: Different stack allocations [Neb] */ memcpy(Bands, Win2, sizeof(Win2[0]) * Window2Enabled); } else @@ -232,17 +232,17 @@ void ComputeClipWindows() { if (BAND_EMPTY(Win2[0])) { - // Window 2 defines an empty range - just - // use window 1 as the clipping (which - // could also be empty). + /* Window 2 defines an empty range - just + * use window 1 as the clipping (which + * could also be empty). */ B = Window1Enabled; - // memmove converted: Different stack allocations [Neb] + /* memmove converted: Different stack allocations [Neb] */ memcpy(Bands, Win1, sizeof(Win1[0]) * Window1Enabled); } else { - // Window 1 has two bands and Window 2 has one. - // Neither is an empty region. + /* Window 1 has two bands and Window 2 has one. + * Neither is an empty region. */ if (BANDS_INTERSECT(Win2[0], Win1[0])) { OR_BANDS(Bands[0], Win2[0], Win1[0]) @@ -273,7 +273,7 @@ void ComputeClipWindows() } else { - // Both windows have two bands + /* Both windows have two bands */ OR_BANDS(Bands[0], Win1[0], Win2[0]); OR_BANDS(Bands[1], Win1[1], Win2[1]); B = 1; @@ -286,7 +286,7 @@ void ComputeClipWindows() case CLIP_AND: if (Window1Enabled == 1) { - // Window 1 has one band + /* Window 1 has one band */ if (BAND_EMPTY(Win1[0])) Bands [B++] = Win1[0]; else if (Window2Enabled == 1) @@ -312,7 +312,7 @@ void ComputeClipWindows() Bands[B++] = Win2[0]; else { - // Window 1 has two bands. + /* Window 1 has two bands. */ AND_BANDS(Bands[0], Win1[0], Win2[0]); AND_BANDS(Bands[1], Win1[1], Win2[0]); B = 2; @@ -320,7 +320,7 @@ void ComputeClipWindows() } else { - // Both windows have two bands. + /* Both windows have two bands. */ AND_BANDS(Bands[0], Win1[0], Win2[0]); AND_BANDS(Bands[1], Win1[1], Win2[1]); B = 2; @@ -338,18 +338,18 @@ void ComputeClipWindows() break; case CLIP_XNOR: invert = !invert; - // Fall... + /* Fall... */ case CLIP_XOR: if (Window1Enabled == 1 && BAND_EMPTY(Win1[0])) { B = Window2Enabled; - // memmove converted: Different stack allocations [Neb] + /* memmove converted: Different stack allocations [Neb] */ memcpy(Bands, Win2, sizeof(Win2[0]) * Window2Enabled); } else if (Window2Enabled == 1 && BAND_EMPTY(Win2[0])) { B = Window1Enabled; - // memmove converted: Different stack allocations [Neb] + /* memmove converted: Different stack allocations [Neb] */ memcpy(Bands, Win1, sizeof(Win1[0]) * Window1Enabled); } else @@ -359,7 +359,7 @@ void ComputeClipWindows() uint32_t i; invert = !invert; - // Build an array of points (window edges) + /* Build an array of points (window edges) */ points [p++] = 0; for (i = 0; i < Window1Enabled; i++) { @@ -372,7 +372,7 @@ void ComputeClipWindows() points [p++] = Win2[i].Right; } points [p++] = 256; - // Sort them + /* Sort them */ qsort((void*) points, p, sizeof(points [0]), IntCompare); for (i = 0; i < p; i += 2) { @@ -392,7 +392,7 @@ void ComputeClipWindows() int32_t j = 0; int32_t empty_band_count = 0; - // First remove all empty bands from the list. + /* First remove all empty bands from the list. */ for (b = 0; b < B; b++) { if (!BAND_EMPTY(Bands[b])) @@ -410,7 +410,7 @@ void ComputeClipWindows() if (j == 1) { j = 0; - // Easy case to deal with, so special case it. + /* Easy case to deal with, so special case it. */ if (Bands[0].Left > 0) { pClip->Left[j][w] = 0; @@ -429,11 +429,11 @@ void ComputeClipWindows() } else { - // Now sort the bands into order + /* Now sort the bands into order */ B = j; qsort((void*) Bands, B, sizeof(Bands [0]), BandCompare); - // Now invert the area the bands cover + /* Now invert the area the bands cover */ j = 0; for (b = 0; b < B; b++) { @@ -457,9 +457,9 @@ void ComputeClipWindows() } else { - // Inverting a window that consisted of only - // empty bands is the whole width of the screen. - // Needed for Mario Kart's rear-view mirror display. + /* Inverting a window that consisted of only + * empty bands is the whole width of the screen. + * Needed for Mario Kart's rear-view mirror display. */ if (empty_band_count) { pClip->Left[j][w] = 0; @@ -482,8 +482,8 @@ void ComputeClipWindows() } else { - // Only one window enabled so no need to perform - // complex overlap logic... + /* Only one window enabled so no need to perform + * complex overlap logic... */ if (Window1Enabled) { if (invert) @@ -587,9 +587,9 @@ void ComputeClipWindows() if (w != 5 && pClip->Count [5]) { - // Colour window enabled. Set the - // clip windows for all remaining backgrounds to be - // the same as the colour window. + /* Colour window enabled. Set the + * clip windows for all remaining backgrounds to be + * the same as the colour window. */ if (pClip->Count [w] == 0) { uint32_t i; @@ -602,8 +602,8 @@ void ComputeClipWindows() } else { - // Intersect the colour window with the bg's - // own clip window. + /* Intersect the colour window with the bg's + * own clip window. */ uint32_t i, j; for (i = 0; i < pClip->Count [w]; i++) { @@ -614,20 +614,20 @@ void ComputeClipWindows() (pClip->Left[j][5] >= pClip->Left[i][w] && pClip->Left[j][5] < pClip->Right[i][w])) { - // Found an intersection! + /* Found an intersection! */ pClip->Left[i][w] = MAX(pClip->Left[i][w], pClip->Left[j][5]); pClip->Right[i][w] = MIN(pClip->Right[i][w], pClip->Right[j][5]); goto Clip_ok; } } - // no intersection, nullify it + /* no intersection, nullify it */ pClip->Left[i][w] = 1; pClip->Right[i][w] = 0; Clip_ok:; } } } - } // if (w == 5 || pClip->Count [5] ... - } // for (w... + } /* if (w == 5 || pClip->Count [5] ... */ + } /* for (w... */ } /* for (c... */ } -- cgit v1.2.3