diff options
Diffstat (limited to 'packages/xorg-xserver/xserver-kdrive/faster-rotated.patch')
| -rw-r--r-- | packages/xorg-xserver/xserver-kdrive/faster-rotated.patch | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/packages/xorg-xserver/xserver-kdrive/faster-rotated.patch b/packages/xorg-xserver/xserver-kdrive/faster-rotated.patch deleted file mode 100644 index eaf7ddec36..0000000000 --- a/packages/xorg-xserver/xserver-kdrive/faster-rotated.patch +++ /dev/null @@ -1,241 +0,0 @@ -Index: xserver/miext/shadow/shrotate.c -=================================================================== -RCS file: /scratch/openbsd/cvs/XF4/xc/programs/Xserver/miext/shadow/shrotate.c,v -retrieving revision 1.2 -diff -u -r1.2 shrotate.c ---- xserver/miext/shadow/shrotate.c 3 Nov 2004 00:09:54 -0000 1.2 -+++ xserver/miext/shadow/shrotate.c 20 Sep 2005 23:07:58 -0000 -@@ -45,6 +45,106 @@ - #define TOP_TO_BOTTOM 2 - #define BOTTOM_TO_TOP -2 - -+ -+static void -+shadowUpdateRotatePackedSubRectangle(shadowBufPtr pBuf, -+ FbBits *shaLine, int shaFirstShift, -+ int shaStepOverX, int shaStepOverY, -+ int shaStepDownX, int shaStepDownY, -+ int shaBpp, FbBits shaMask, -+ ScreenPtr pScreen, -+ int scr_x1, int scr_y, -+ int scr_h, int scr_w, -+ int pixelsPerBits) -+{ -+ FbBits *sha; -+ int shaShift; -+ int scr_x; -+ int w; -+ -+ /* -+ * Copy the bits, always write across the physical frame buffer -+ * to take advantage of write combining. -+ */ -+ while (scr_h--) -+ { -+ int p; -+ FbBits bits; -+ FbBits *win; -+ int i; -+ CARD32 winSize; -+ -+ sha = shaLine; -+ shaShift = shaFirstShift; -+ w = scr_w; -+ scr_x = scr_x1 * shaBpp >> FB_SHIFT; -+ -+ while (w) -+ { -+ /* -+ * Map some of this line -+ */ -+ win = (FbBits *) (*pBuf->window) (pScreen, -+ scr_y, -+ scr_x << 2, -+ SHADOW_WINDOW_WRITE, -+ &winSize, -+ pBuf->closure); -+ i = (winSize >> 2); -+ if (i > w) -+ i = w; -+ w -= i; -+ scr_x += i; -+ /* -+ * Copy the portion of the line mapped -+ */ -+ while (i--) -+ { -+ bits = 0; -+ p = pixelsPerBits; -+ /* -+ * Build one word of output from multiple inputs -+ */ -+ while (p--) -+ { -+ bits = FbScrLeft(bits, shaBpp); -+ bits |= FbScrRight (*sha, shaShift) & shaMask; -+ -+ shaShift -= shaStepOverX; -+ if (shaShift >= FB_UNIT) -+ { -+ shaShift -= FB_UNIT; -+ sha--; -+ } -+ else if (shaShift < 0) -+ { -+ shaShift += FB_UNIT; -+ sha++; -+ } -+ sha += shaStepOverY; -+ } -+ *win++ = bits; -+ } -+ } -+ scr_y++; -+ shaFirstShift -= shaStepDownX; -+ if (shaFirstShift >= FB_UNIT) -+ { -+ shaFirstShift -= FB_UNIT; -+ shaLine--; -+ } -+ else if (shaFirstShift < 0) -+ { -+ shaFirstShift += FB_UNIT; -+ shaLine++; -+ } -+ shaLine += shaStepDownY; -+ } -+} -+ -+#define BLOCKSIZE_HEIGHT 32 -+#define BLOCKSIZE_WIDTH 32 -+ - void - shadowUpdateRotatePacked (ScreenPtr pScreen, - shadowBufPtr pBuf) -@@ -61,7 +161,6 @@ - int sha_x1 = 0, sha_y1 = 0; - int scr_x1 = 0, scr_x2 = 0, scr_y1 = 0, scr_y2 = 0, scr_w, scr_h; - int scr_x, scr_y; -- int w; - int pixelsPerBits; - int pixelsMask; - FbStride shaStepOverY = 0, shaStepDownY = 0; -@@ -221,86 +320,46 @@ - ((sha_x1 * shaBpp) >> FB_SHIFT)); - - /* -- * Copy the bits, always write across the physical frame buffer -- * to take advantage of write combining. -+ * Copy in blocks of size BLOCKSIZE_WIDTH x BLOCKSIZE_HEIGHT -+ * to reduce the number of cache misses when rotating 90 or -+ * 270 degrees. - */ -- while (scr_h--) -+ for (scr_y = scr_y1; scr_y < scr_y2; scr_y += BLOCKSIZE_HEIGHT) - { -- int p; -- FbBits bits; -- FbBits *win; -- int i; -- CARD32 winSize; -- - sha = shaLine; - shaShift = shaFirstShift; -- w = scr_w; -- scr_x = scr_x1 * shaBpp >> FB_SHIFT; - -- while (w) -+ for (scr_x = scr_x1; scr_x < scr_x2; scr_x += BLOCKSIZE_WIDTH) - { -- /* -- * Map some of this line -- */ -- win = (FbBits *) (*pBuf->window) (pScreen, -- scr_y, -- scr_x << 2, -- SHADOW_WINDOW_WRITE, -- &winSize, -- pBuf->closure); -- i = (winSize >> 2); -- if (i > w) -- i = w; -- w -= i; -- scr_x += i; -- /* -- * Copy the portion of the line mapped -- */ -- while (i--) -- { -- bits = 0; -- p = pixelsPerBits; -- /* -- * Build one word of output from multiple inputs -- * -- * Note that for 90/270 rotations, this will walk -- * down the shadow hitting each scanline once. -- * This is probably not very efficient. -- */ -- while (p--) -- { -- bits = FbScrLeft(bits, shaBpp); -- bits |= FbScrRight (*sha, shaShift) & shaMask; -+ int h = BLOCKSIZE_HEIGHT; -+ int w = BLOCKSIZE_WIDTH; - -- shaShift -= shaStepOverX; -- if (shaShift >= FB_UNIT) -- { -- shaShift -= FB_UNIT; -- sha--; -- } -- else if (shaShift < 0) -- { -- shaShift += FB_UNIT; -- sha++; -- } -- sha += shaStepOverY; -- } -- *win++ = bits; -- } -- } -- scr_y++; -- shaFirstShift -= shaStepDownX; -- if (shaFirstShift >= FB_UNIT) -- { -- shaFirstShift -= FB_UNIT; -- shaLine--; -- } -- else if (shaFirstShift < 0) -- { -- shaFirstShift += FB_UNIT; -- shaLine++; -+ if (scr_y + h > scr_y2) -+ h = scr_y2 - scr_y; -+ if (scr_x + w > scr_x2) -+ w = scr_x2 - scr_x; -+ w = (w * shaBpp) >> FB_SHIFT; -+ -+ shadowUpdateRotatePackedSubRectangle -+ (pBuf, -+ sha, shaShift, -+ shaStepOverX, shaStepOverY, -+ shaStepDownX, shaStepDownY, -+ shaBpp, shaMask, -+ pScreen, -+ scr_x, scr_y, -+ h, w, -+ pixelsPerBits); -+ -+ shaShift -= BLOCKSIZE_WIDTH * shaStepOverX; -+ sha += BLOCKSIZE_WIDTH * shaStepOverY; -+ sha -= (shaShift >> FB_SHIFT); -+ shaShift &= FB_MASK; - } -- shaLine += shaStepDownY; -+ shaFirstShift -= BLOCKSIZE_HEIGHT * shaStepDownX; -+ shaLine += BLOCKSIZE_HEIGHT * shaStepDownY; -+ shaLine -= (shaFirstShift >> FB_SHIFT); -+ shaFirstShift &= FB_MASK; - } - } - } |