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Diffstat (limited to 'xorg-server/fb/fbblt.c')
-rw-r--r--xorg-server/fb/fbblt.c271
1 files changed, 3 insertions, 268 deletions
diff --git a/xorg-server/fb/fbblt.c b/xorg-server/fb/fbblt.c
index c615106d1..b4123656a 100644
--- a/xorg-server/fb/fbblt.c
+++ b/xorg-server/fb/fbblt.c
@@ -520,277 +520,12 @@ fbBlt24(FbBits * srcLine,
#endif
}
-#if FB_SHIFT == FB_STIP_SHIFT + 1
-
-/*
- * Could be generalized to FB_SHIFT > FB_STIP_SHIFT + 1 by
- * creating an ring of values stepped through for each line
- */
-
-void
-fbBltOdd(FbBits * srcLine,
- FbStride srcStrideEven,
- FbStride srcStrideOdd,
- int srcXEven,
- int srcXOdd,
- FbBits * dstLine,
- FbStride dstStrideEven,
- FbStride dstStrideOdd,
- int dstXEven,
- int dstXOdd, int width, int height, int alu, FbBits pm, int bpp)
-{
- FbBits *src;
- int leftShiftEven, rightShiftEven;
- FbBits startmaskEven, endmaskEven;
- int nmiddleEven;
-
- FbBits *dst;
- int leftShiftOdd, rightShiftOdd;
- FbBits startmaskOdd, endmaskOdd;
- int nmiddleOdd;
-
- int leftShift, rightShift;
- FbBits startmask, endmask;
- int nmiddle;
-
- int srcX, dstX;
-
- FbBits bits, bits1;
- int n;
-
- Bool destInvarient;
- Bool even;
-
- FbDeclareMergeRop();
-
- FbInitializeMergeRop(alu, pm);
- destInvarient = FbDestInvarientMergeRop();
-
- srcLine += srcXEven >> FB_SHIFT;
- dstLine += dstXEven >> FB_SHIFT;
- srcXEven &= FB_MASK;
- dstXEven &= FB_MASK;
- srcXOdd &= FB_MASK;
- dstXOdd &= FB_MASK;
-
- FbMaskBits(dstXEven, width, startmaskEven, nmiddleEven, endmaskEven);
- FbMaskBits(dstXOdd, width, startmaskOdd, nmiddleOdd, endmaskOdd);
-
- even = TRUE;
- InitializeShifts(srcXEven, dstXEven, leftShiftEven, rightShiftEven);
- InitializeShifts(srcXOdd, dstXOdd, leftShiftOdd, rightShiftOdd);
- while (height--) {
- src = srcLine;
- dst = dstLine;
- if (even) {
- srcX = srcXEven;
- dstX = dstXEven;
- startmask = startmaskEven;
- endmask = endmaskEven;
- nmiddle = nmiddleEven;
- leftShift = leftShiftEven;
- rightShift = rightShiftEven;
- srcLine += srcStrideEven;
- dstLine += dstStrideEven;
- even = FALSE;
- }
- else {
- srcX = srcXOdd;
- dstX = dstXOdd;
- startmask = startmaskOdd;
- endmask = endmaskOdd;
- nmiddle = nmiddleOdd;
- leftShift = leftShiftOdd;
- rightShift = rightShiftOdd;
- srcLine += srcStrideOdd;
- dstLine += dstStrideOdd;
- even = TRUE;
- }
- if (srcX == dstX) {
- if (startmask) {
- bits = READ(src++);
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), startmask));
- dst++;
- }
- n = nmiddle;
- if (destInvarient) {
- while (n--) {
- bits = READ(src++);
- WRITE(dst, FbDoDestInvarientMergeRop(bits));
- dst++;
- }
- }
- else {
- while (n--) {
- bits = READ(src++);
- WRITE(dst, FbDoMergeRop(bits, READ(dst)));
- dst++;
- }
- }
- if (endmask) {
- bits = READ(src);
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), endmask));
- }
- }
- else {
- bits = 0;
- if (srcX > dstX)
- bits = READ(src++);
- if (startmask) {
- bits1 = FbScrLeft(bits, leftShift);
- bits = READ(src++);
- bits1 |= FbScrRight(bits, rightShift);
- WRITE(dst, FbDoMaskMergeRop(bits1, READ(dst), startmask));
- dst++;
- }
- n = nmiddle;
- if (destInvarient) {
- while (n--) {
- bits1 = FbScrLeft(bits, leftShift);
- bits = READ(src++);
- bits1 |= FbScrRight(bits, rightShift);
- WRITE(dst, FbDoDestInvarientMergeRop(bits1));
- dst++;
- }
- }
- else {
- while (n--) {
- bits1 = FbScrLeft(bits, leftShift);
- bits = READ(src++);
- bits1 |= FbScrRight(bits, rightShift);
- WRITE(dst, FbDoMergeRop(bits1, READ(dst)));
- dst++;
- }
- }
- if (endmask) {
- bits1 = FbScrLeft(bits, leftShift);
- if (FbScrLeft(endmask, rightShift)) {
- bits = READ(src);
- bits1 |= FbScrRight(bits, rightShift);
- }
- WRITE(dst, FbDoMaskMergeRop(bits1, READ(dst), endmask));
- }
- }
- }
-}
-
-void
-fbBltOdd24(FbBits * srcLine,
- FbStride srcStrideEven,
- FbStride srcStrideOdd,
- int srcXEven,
- int srcXOdd,
- FbBits * dstLine,
- FbStride dstStrideEven,
- FbStride dstStrideOdd,
- int dstXEven, int dstXOdd, int width, int height, int alu, FbBits pm)
-{
- Bool even = TRUE;
-
- while (height--) {
- if (even) {
- fbBlt24Line(srcLine, srcXEven, dstLine, dstXEven,
- width, alu, pm, FALSE);
- srcLine += srcStrideEven;
- dstLine += dstStrideEven;
- even = FALSE;
- }
- else {
- fbBlt24Line(srcLine, srcXOdd, dstLine, dstXOdd,
- width, alu, pm, FALSE);
- srcLine += srcStrideOdd;
- dstLine += dstStrideOdd;
- even = TRUE;
- }
- }
-}
-
-#endif
-
-#if FB_STIP_SHIFT != FB_SHIFT
-void
-fbSetBltOdd(FbStip * stip,
- FbStride stipStride,
- int srcX,
- FbBits ** bits,
- FbStride * strideEven,
- FbStride * strideOdd, int *srcXEven, int *srcXOdd)
-{
- int srcAdjust;
- int strideAdjust;
-
- /*
- * bytes needed to align source
- */
- srcAdjust = (((int) stip) & (FB_MASK >> 3));
- /*
- * FbStip units needed to align stride
- */
- strideAdjust = stipStride & (FB_MASK >> FB_STIP_SHIFT);
-
- *bits = (FbBits *) ((char *) stip - srcAdjust);
- if (srcAdjust) {
- *strideEven = FbStipStrideToBitsStride(stipStride + 1);
- *strideOdd = FbStipStrideToBitsStride(stipStride);
-
- *srcXEven = srcX + (srcAdjust << 3);
- *srcXOdd = srcX + (srcAdjust << 3) - (strideAdjust << FB_STIP_SHIFT);
- }
- else {
- *strideEven = FbStipStrideToBitsStride(stipStride);
- *strideOdd = FbStipStrideToBitsStride(stipStride + 1);
-
- *srcXEven = srcX;
- *srcXOdd = srcX + (strideAdjust << FB_STIP_SHIFT);
- }
-}
-#endif
-
void
fbBltStip(FbStip * src, FbStride srcStride, /* in FbStip units, not FbBits units */
int srcX, FbStip * dst, FbStride dstStride, /* in FbStip units, not FbBits units */
int dstX, int width, int height, int alu, FbBits pm, int bpp)
{
-#if FB_STIP_SHIFT != FB_SHIFT
- if (FB_STIP_ODDSTRIDE(srcStride) || FB_STIP_ODDPTR(src) ||
- FB_STIP_ODDSTRIDE(dstStride) || FB_STIP_ODDPTR(dst)) {
- FbStride srcStrideEven, srcStrideOdd;
- FbStride dstStrideEven, dstStrideOdd;
- int srcXEven, srcXOdd;
- int dstXEven, dstXOdd;
- FbBits *s, *d;
- int sx, dx;
-
- src += srcX >> FB_STIP_SHIFT;
- srcX &= FB_STIP_MASK;
- dst += dstX >> FB_STIP_SHIFT;
- dstX &= FB_STIP_MASK;
-
- fbSetBltOdd(src, srcStride, srcX,
- &s, &srcStrideEven, &srcStrideOdd, &srcXEven, &srcXOdd);
-
- fbSetBltOdd(dst, dstStride, dstX,
- &d, &dstStrideEven, &dstStrideOdd, &dstXEven, &dstXOdd);
-
- if (bpp == 24 && !FbCheck24Pix(pm)) {
- fbBltOdd24(s, srcStrideEven, srcStrideOdd,
- srcXEven, srcXOdd,
- d, dstStrideEven, dstStrideOdd,
- dstXEven, dstXOdd, width, height, alu, pm);
- }
- else {
- fbBltOdd(s, srcStrideEven, srcStrideOdd,
- srcXEven, srcXOdd,
- d, dstStrideEven, dstStrideOdd,
- dstXEven, dstXOdd, width, height, alu, pm, bpp);
- }
- }
- else
-#endif
- {
- fbBlt((FbBits *) src, FbStipStrideToBitsStride(srcStride),
- srcX,
- (FbBits *) dst, FbStipStrideToBitsStride(dstStride),
- dstX, width, height, alu, pm, bpp, FALSE, FALSE);
- }
+ fbBlt((FbBits *) src, FbStipStrideToBitsStride(srcStride), srcX,
+ (FbBits *) dst, FbStipStrideToBitsStride(dstStride), dstX,
+ width, height, alu, pm, bpp, FALSE, FALSE);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 08:06:17 +0000