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diff --git a/src/i810_accel.c b/src/i810_accel.c
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+
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_accel.c,v 1.17 2002/11/25 14:04:59 eich Exp $ */
+
+/*
+ * Reformatted with GNU indent (2.2.8), using the following options:
+ *
+ * -bad -bap -c41 -cd0 -ncdb -ci6 -cli0 -cp0 -ncs -d0 -di3 -i3 -ip3 -l78
+ * -lp -npcs -psl -sob -ss -br -ce -sc -hnl
+ *
+ * This provides a good match with the original i810 code and preferred
+ * XFree86 formatting conventions.
+ *
+ * When editing this driver, please follow the existing formatting, and edit
+ * with <TAB> characters expanded at 8-column intervals.
+ */
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ *
+ */
+
+#include "xf86_ansic.h"
+#include "xf86.h"
+
+#include "i810.h"
+
+static unsigned int i810Rop[16] = {
+ 0x00, /* GXclear */
+ 0x88, /* GXand */
+ 0x44, /* GXandReverse */
+ 0xCC, /* GXcopy */
+ 0x22, /* GXandInvert */
+ 0xAA, /* GXnoop */
+ 0x66, /* GXxor */
+ 0xEE, /* GXor */
+ 0x11, /* GXnor */
+ 0x99, /* GXequiv */
+ 0x55, /* GXinvert */
+ 0xDD, /* GXorReverse */
+ 0x33, /* GXcopyInvert */
+ 0xBB, /* GXorInverted */
+ 0x77, /* GXnand */
+ 0xFF /* GXset */
+};
+
+static unsigned int i810PatternRop[16] = {
+ 0x00, /* GXclear */
+ 0xA0, /* GXand */
+ 0x50, /* GXandReverse */
+ 0xF0, /* GXcopy */
+ 0x0A, /* GXandInvert */
+ 0xAA, /* GXnoop */
+ 0x5A, /* GXxor */
+ 0xFA, /* GXor */
+ 0x05, /* GXnor */
+ 0xA5, /* GXequiv */
+ 0x55, /* GXinvert */
+ 0xF5, /* GXorReverse */
+ 0x0F, /* GXcopyInvert */
+ 0xAF, /* GXorInverted */
+ 0x5F, /* GXnand */
+ 0xFF /* GXset */
+};
+
+static void I810SetupForMono8x8PatternFill(ScrnInfoPtr pScrn,
+ int pattx, int patty,
+ int fg, int bg, int rop,
+ unsigned int planemask);
+static void I810SubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn,
+ int pattx, int patty,
+ int x, int y, int w, int h);
+
+static void I810SetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
+ int fg, int bg,
+ int rop,
+ unsigned int mask);
+
+static void I810SubsequentScanlineCPUToScreenColorExpandFill(ScrnInfoPtr
+ pScrn, int x,
+ int y, int w,
+ int h,
+ int skipleft);
+
+static void I810SubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno);
+
+/* The following function sets up the supported acceleration. Call it
+ * from the FbInit() function in the SVGA driver, or before ScreenInit
+ * in a monolithic server.
+ */
+Bool
+I810AccelInit(ScreenPtr pScreen)
+{
+ XAAInfoRecPtr infoPtr;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810AccelInit\n");
+
+ pI810->AccelInfoRec = infoPtr = XAACreateInfoRec();
+ if (!infoPtr)
+ return FALSE;
+
+ pI810->bufferOffset = 0;
+ infoPtr->Flags = LINEAR_FRAMEBUFFER | OFFSCREEN_PIXMAPS;
+ /* There is a bit blt bug in 24 bpp. This is a problem, but
+ * at least without the pixmap cache we can pass the test suite */
+ if (pScrn->depth != 24)
+ infoPtr->Flags |= PIXMAP_CACHE;
+
+ /* Sync
+ */
+ infoPtr->Sync = I810Sync;
+
+ /* Solid filled rectangles
+ */
+ {
+ infoPtr->SolidFillFlags = NO_PLANEMASK;
+ infoPtr->SetupForSolidFill = I810SetupForSolidFill;
+ infoPtr->SubsequentSolidFillRect = I810SubsequentSolidFillRect;
+ }
+
+ /* Screen to screen copy
+ * - the transparency op hangs the blit engine, disable for now.
+ */
+ {
+ infoPtr->ScreenToScreenCopyFlags = (0
+ | NO_PLANEMASK
+ | NO_TRANSPARENCY | 0);
+
+ infoPtr->SetupForScreenToScreenCopy = I810SetupForScreenToScreenCopy;
+ infoPtr->SubsequentScreenToScreenCopy =
+ I810SubsequentScreenToScreenCopy;
+ }
+
+ /* 8x8 pattern fills
+ */
+ {
+ infoPtr->SetupForMono8x8PatternFill = I810SetupForMono8x8PatternFill;
+ infoPtr->SubsequentMono8x8PatternFillRect =
+ I810SubsequentMono8x8PatternFillRect;
+
+ infoPtr->Mono8x8PatternFillFlags = (HARDWARE_PATTERN_PROGRAMMED_BITS |
+ HARDWARE_PATTERN_SCREEN_ORIGIN |
+ BIT_ORDER_IN_BYTE_MSBFIRST |
+ NO_PLANEMASK | 0);
+ }
+
+ /* 8x8 color fills - not considered useful for XAA.
+ */
+
+ /* Scanline color expansion - Use the same scheme as the 3.3 driver.
+ *
+ */
+ if (pI810->Scratch.Size != 0) {
+ int i;
+ int width = ((pScrn->displayWidth + 31) & ~31) / 8;
+ int nr_buffers = pI810->Scratch.Size / width;
+ unsigned char *ptr = pI810->FbBase + pI810->Scratch.Start;
+
+ pI810->NumScanlineColorExpandBuffers = nr_buffers;
+ pI810->ScanlineColorExpandBuffers = (unsigned char **)
+ xnfcalloc(nr_buffers, sizeof(unsigned char *));
+
+ for (i = 0; i < nr_buffers; i++, ptr += width)
+ pI810->ScanlineColorExpandBuffers[i] = ptr;
+
+ infoPtr->ScanlineCPUToScreenColorExpandFillFlags = (NO_PLANEMASK |
+ ROP_NEEDS_SOURCE |
+ BIT_ORDER_IN_BYTE_MSBFIRST
+ | 0);
+
+ infoPtr->ScanlineColorExpandBuffers = (unsigned char **)
+ xnfcalloc(1, sizeof(unsigned char *));
+ infoPtr->NumScanlineColorExpandBuffers = 1;
+
+ infoPtr->ScanlineColorExpandBuffers[0] =
+ pI810->ScanlineColorExpandBuffers[0];
+ pI810->nextColorExpandBuf = 0;
+
+ infoPtr->SetupForScanlineCPUToScreenColorExpandFill =
+ I810SetupForScanlineCPUToScreenColorExpandFill;
+
+ infoPtr->SubsequentScanlineCPUToScreenColorExpandFill =
+ I810SubsequentScanlineCPUToScreenColorExpandFill;
+
+ infoPtr->SubsequentColorExpandScanline =
+ I810SubsequentColorExpandScanline;
+ }
+
+ /* Possible todo: Image writes w/ non-GXCOPY rop.
+ */
+
+ I810SelectBuffer(pScrn, I810_SELECT_FRONT);
+
+ return XAAInit(pScreen, infoPtr);
+}
+
+int
+I810WaitLpRing(ScrnInfoPtr pScrn, int n, int timeout_millis)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810RingBuffer *ring = &(pI810->LpRing);
+ int iters = 0;
+ int start = 0;
+ int now = 0;
+ int last_head = 0;
+ int first = 0;
+
+ /* If your system hasn't moved the head pointer in 2 seconds, I'm going to
+ * call it crashed.
+ */
+ if (timeout_millis == 0)
+ timeout_millis = 2000;
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) {
+ ErrorF("I810WaitLpRing %d\n", n);
+ first = GetTimeInMillis();
+ }
+
+ while (ring->space < n) {
+ ring->head = INREG(LP_RING + RING_HEAD) & HEAD_ADDR;
+ ring->space = ring->head - (ring->tail + 8);
+
+ if (ring->space < 0)
+ ring->space += ring->mem.Size;
+
+ iters++;
+ now = GetTimeInMillis();
+ if (start == 0 || now < start || ring->head != last_head) {
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ if (now > start)
+ ErrorF("space: %d wanted %d\n", ring->space, n);
+ start = now;
+ last_head = ring->head;
+ } else if (now - start > timeout_millis) {
+ ErrorF("Error in I810WaitLpRing(), now is %d, start is %d\n", now,
+ start);
+ I810PrintErrorState(pScrn);
+ ErrorF("space: %d wanted %d\n", ring->space, n);
+#ifdef XF86DRI
+ if (pI810->directRenderingEnabled) {
+ DRIUnlock(screenInfo.screens[pScrn->scrnIndex]);
+ DRICloseScreen(screenInfo.screens[pScrn->scrnIndex]);
+ }
+#endif
+ pI810->AccelInfoRec = NULL; /* Stops recursive behavior */
+ FatalError("lockup\n");
+ }
+
+ DELAY(10000);
+ }
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) {
+ now = GetTimeInMillis();
+ if (now - first) {
+ ErrorF("Elapsed %d ms\n", now - first);
+ ErrorF("space: %d wanted %d\n", ring->space, n);
+ }
+ }
+
+ return iters;
+}
+
+void
+I810Sync(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & (DEBUG_VERBOSE_ACCEL | DEBUG_VERBOSE_SYNC))
+ ErrorF("I810Sync\n");
+
+#ifdef XF86DRI
+ /* VT switching tries to do this.
+ */
+ if (!pI810->LockHeld && pI810->directRenderingEnabled) {
+ return;
+ }
+#endif
+
+ /* Send a flush instruction and then wait till the ring is empty.
+ * This is stronger than waiting for the blitter to finish as it also
+ * flushes the internal graphics caches.
+ */
+ {
+ BEGIN_LP_RING(2);
+ OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
+ OUT_RING(0); /* pad to quadword */
+ ADVANCE_LP_RING();
+ }
+
+ I810WaitLpRing(pScrn, pI810->LpRing.mem.Size - 8, 0);
+
+ pI810->LpRing.space = pI810->LpRing.mem.Size - 8;
+ pI810->nextColorExpandBuf = 0;
+}
+
+void
+I810SetupForSolidFill(ScrnInfoPtr pScrn, int color, int rop,
+ unsigned int planemask)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SetupForFillRectSolid color: %x rop: %x mask: %x\n",
+ color, rop, planemask);
+
+ /* Color blit, p166 */
+ pI810->BR[13] = (BR13_SOLID_PATTERN |
+ (i810PatternRop[rop] << 16) |
+ (pScrn->displayWidth * pI810->cpp));
+ pI810->BR[16] = color;
+}
+
+void
+I810SubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y, int w, int h)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SubsequentFillRectSolid %d,%d %dx%d\n", x, y, w, h);
+
+ {
+ BEGIN_LP_RING(6);
+
+ OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3);
+ OUT_RING(pI810->BR[13]);
+ OUT_RING((h << 16) | (w * pI810->cpp));
+ OUT_RING(pI810->bufferOffset +
+ (y * pScrn->displayWidth + x) * pI810->cpp);
+
+ OUT_RING(pI810->BR[16]);
+ OUT_RING(0); /* pad to quadword */
+
+ ADVANCE_LP_RING();
+ }
+}
+
+void
+I810SetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir, int ydir, int rop,
+ unsigned int planemask, int transparency_color)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SetupForScreenToScreenCopy %d %d %x %x %d\n",
+ xdir, ydir, rop, planemask, transparency_color);
+
+ pI810->BR[13] = (pScrn->displayWidth * pI810->cpp);
+
+ if (ydir == -1)
+ pI810->BR[13] = (-pI810->BR[13]) & 0xFFFF;
+ if (xdir == -1)
+ pI810->BR[13] |= BR13_RIGHT_TO_LEFT;
+
+ pI810->BR[13] |= i810Rop[rop] << 16;
+
+ pI810->BR[18] = 0;
+}
+
+void
+I810SubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int x1, int y1,
+ int x2, int y2, int w, int h)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ int src, dst;
+ int w_back = w;
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF( "I810SubsequentScreenToScreenCopy %d,%d - %d,%d %dx%d\n",
+ x1,y1,x2,y2,w,h);
+ /*
+ * This works around a bug in the i810 drawing engine.
+ * This was developed empirically so it may not catch all
+ * cases.
+ */
+ if ( !(pI810->BR[13] & BR13_RIGHT_TO_LEFT) && (y2 - y1) < 3
+ && (y2 - y1) >= 0 && (x2 - x1) <= (w + 4) && (w > 4))
+ w = 4;
+ do {
+
+ if (pI810->BR[13] & BR13_PITCH_SIGN_BIT) {
+ src = (y1 + h - 1) * pScrn->displayWidth * pI810->cpp;
+ dst = (y2 + h - 1) * pScrn->displayWidth * pI810->cpp;
+ } else {
+ src = y1 * pScrn->displayWidth * pI810->cpp;
+ dst = y2 * pScrn->displayWidth * pI810->cpp;
+ }
+
+ if (pI810->BR[13] & BR13_RIGHT_TO_LEFT) {
+ src += (x1 + w - 1) * pI810->cpp + pI810->cpp - 1;
+ dst += (x2 + w - 1) * pI810->cpp + pI810->cpp - 1;
+ } else {
+ src += x1 * pI810->cpp;
+ dst += x2 * pI810->cpp;
+ }
+
+
+ /* SRC_COPY_BLT, p169 */
+ {
+ BEGIN_LP_RING(6);
+ OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4 );
+ OUT_RING( pI810->BR[13]);
+
+ OUT_RING( (h << 16) | (w * pI810->cpp));
+ OUT_RING( pI810->bufferOffset + dst);
+
+ OUT_RING( pI810->BR[13] & 0xFFFF);
+ OUT_RING( pI810->bufferOffset + src);
+ ADVANCE_LP_RING();
+ }
+ w_back -= w;
+ if (w_back <= 0)
+ break;
+ x2 += w;
+ x1 += w;
+ w = w_back;
+ } while (1);
+}
+
+static void
+I810SetupForMono8x8PatternFill(ScrnInfoPtr pScrn, int pattx, int patty,
+ int fg, int bg, int rop,
+ unsigned int planemask)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SetupFor8x8PatternColorExpand\n");
+
+ /* FULL_MONO_PAT_BLT, p176 */
+ pI810->BR[0] = (BR00_BITBLT_CLIENT | BR00_OP_MONO_PAT_BLT | 0x9);
+ pI810->BR[18] = bg;
+ pI810->BR[19] = fg;
+ pI810->BR[13] = (pScrn->displayWidth * pI810->cpp);
+ pI810->BR[13] |= i810PatternRop[rop] << 16;
+ if (bg == -1)
+ pI810->BR[13] |= BR13_MONO_TRANSPCY;
+}
+
+static void
+I810SubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn, int pattx, int patty,
+ int x, int y, int w, int h)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ int addr =
+ pI810->bufferOffset + (y * pScrn->displayWidth + x) * pI810->cpp;
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810Subsequent8x8PatternColorExpand\n");
+
+ {
+ BEGIN_LP_RING(12);
+ OUT_RING(pI810->BR[0] | ((y << 5) & BR00_PAT_VERT_ALIGN));
+ OUT_RING(pI810->BR[13]);
+ OUT_RING((h << 16) | (w * pI810->cpp));
+ OUT_RING(addr);
+ OUT_RING(pI810->BR[13] & 0xFFFF); /* src pitch */
+ OUT_RING(addr); /* src addr */
+ OUT_RING(0); /* transparency color */
+ OUT_RING(pI810->BR[18]); /* bg */
+ OUT_RING(pI810->BR[19]); /* fg */
+ OUT_RING(pattx); /* pattern data */
+ OUT_RING(patty);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
+}
+
+static void
+I810GetNextScanlineColorExpandBuffer(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ XAAInfoRecPtr infoPtr = pI810->AccelInfoRec;
+
+ if (pI810->nextColorExpandBuf == pI810->NumScanlineColorExpandBuffers)
+ I810Sync(pScrn);
+
+ infoPtr->ScanlineColorExpandBuffers[0] =
+ pI810->ScanlineColorExpandBuffers[pI810->nextColorExpandBuf];
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("using color expand buffer %d\n", pI810->nextColorExpandBuf);
+
+ pI810->nextColorExpandBuf++;
+}
+
+static void
+I810SetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
+ int fg, int bg, int rop,
+ unsigned int planemask)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SetupForScanlineScreenToScreenColorExpand %d %d %x %x\n",
+ fg, bg, rop, planemask);
+
+ pI810->BR[13] = (pScrn->displayWidth * pI810->cpp);
+ pI810->BR[13] |= i810Rop[rop] << 16;
+ pI810->BR[13] |= (1 << 27);
+ if (bg == -1)
+ pI810->BR[13] |= BR13_MONO_TRANSPCY;
+
+ pI810->BR[18] = bg;
+ pI810->BR[19] = fg;
+
+ I810GetNextScanlineColorExpandBuffer(pScrn);
+}
+
+static void
+I810SubsequentScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
+ int x, int y,
+ int w, int h, int skipleft)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SubsequentScanlineCPUToScreenColorExpandFill "
+ "%d,%d %dx%x %d\n", x, y, w, h, skipleft);
+
+ pI810->BR[0] = BR00_BITBLT_CLIENT | BR00_OP_MONO_SRC_COPY_BLT | 0x06;
+ pI810->BR[9] = (pI810->bufferOffset +
+ (y * pScrn->displayWidth + x) * pI810->cpp);
+ pI810->BR[14] = ((1 << 16) | (w * pI810->cpp));
+ pI810->BR[11] = ((w + 31) / 32) - 1;
+}
+
+static void
+I810SubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ pI810->BR[12] = (pI810->AccelInfoRec->ScanlineColorExpandBuffers[0] -
+ pI810->FbBase);
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SubsequentColorExpandScanline %d (addr %x)\n",
+ bufno, pI810->BR[12]);
+
+ {
+ BEGIN_LP_RING(8);
+ OUT_RING(pI810->BR[0]);
+ OUT_RING(pI810->BR[13]);
+ OUT_RING(pI810->BR[14]);
+ OUT_RING(pI810->BR[9]);
+ OUT_RING(pI810->BR[11]);
+ OUT_RING(pI810->BR[12]); /* srcaddr */
+ OUT_RING(pI810->BR[18]);
+ OUT_RING(pI810->BR[19]);
+ ADVANCE_LP_RING();
+ }
+
+ /* Advance to next scanline.
+ */
+ pI810->BR[9] += pScrn->displayWidth * pI810->cpp;
+ I810GetNextScanlineColorExpandBuffer(pScrn);
+}
+
+void
+I810EmitFlush(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ BEGIN_LP_RING(2);
+ OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+}
+
+void
+I810SelectBuffer(ScrnInfoPtr pScrn, int buffer)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ switch (buffer) {
+ case I810_SELECT_BACK:
+ pI810->bufferOffset = pI810->BackBuffer.Start;
+ break;
+ case I810_SELECT_DEPTH:
+ pI810->bufferOffset = pI810->DepthBuffer.Start;
+ break;
+ default:
+ case I810_SELECT_FRONT:
+ pI810->bufferOffset = pI810->FrontBuffer.Start;
+ break;
+ }
+
+ if (I810_DEBUG & DEBUG_VERBOSE_ACCEL)
+ ErrorF("I810SelectBuffer %d --> offset %x\n",
+ buffer, pI810->bufferOffset);
+}
+
+void
+I810RefreshRing(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ pI810->LpRing.head = INREG(LP_RING + RING_HEAD) & HEAD_ADDR;
+ pI810->LpRing.tail = INREG(LP_RING + RING_TAIL);
+ pI810->LpRing.space = pI810->LpRing.head - (pI810->LpRing.tail + 8);
+ if (pI810->LpRing.space < 0)
+ pI810->LpRing.space += pI810->LpRing.mem.Size;
+
+ pI810->AccelInfoRec->NeedToSync = TRUE;
+}
+
+/* Emit on gaining VT?
+ */
+void
+I810EmitInvarientState(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ BEGIN_LP_RING(10);
+
+ OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
+ OUT_RING(GFX_CMD_CONTEXT_SEL | CS_UPDATE_USE | CS_USE_CTX0);
+ OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
+ OUT_RING(0);
+
+ OUT_RING(GFX_OP_COLOR_CHROMA_KEY);
+ OUT_RING(CC1_UPDATE_KILL_WRITE |
+ CC1_DISABLE_KILL_WRITE |
+ CC1_UPDATE_COLOR_IDX |
+ CC1_UPDATE_CHROMA_LOW | CC1_UPDATE_CHROMA_HI | 0);
+ OUT_RING(0);
+ OUT_RING(0);
+
+/* OUT_RING( CMD_OP_Z_BUFFER_INFO ); */
+/* OUT_RING( pI810->DepthBuffer.Start | pI810->auxPitchBits); */
+
+ ADVANCE_LP_RING();
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:45:05 +0000