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Diffstat (limited to 'src/i830_accel.c')
-rw-r--r-- | src/i830_accel.c | 770 |
1 files changed, 770 insertions, 0 deletions
diff --git a/src/i830_accel.c b/src/i830_accel.c new file mode 100644 index 00000000..1a071497 --- /dev/null +++ b/src/i830_accel.c @@ -0,0 +1,770 @@ +/* + * XXX So far, for GXxor this is about 40% of the speed of SW, but CPU + * utilisation falls from 95% to < 5%. + */ +#ifndef DO_SCANLINE_IMAGE_WRITE +#define DO_SCANLINE_IMAGE_WRITE 0 +#endif + +/************************************************************************** + +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/i830_accel.c,v 1.4 2002/12/10 01:27:05 dawes 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 "i830.h" +#include "i810_reg.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 */ +}; + +int +I830WaitLpRing(ScrnInfoPtr pScrn, int n, int timeout_millis) +{ + I830Ptr pI830 = I830PTR(pScrn); + I830RingBuffer *ring = &(pI830->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("I830WaitLpRing %d\n", n); + first = GetTimeInMillis(); + } + + while (ring->space < n) { + ring->head = INREG(LP_RING + RING_HEAD) & I830_HEAD_MASK; + 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 I830WaitLpRing(), now is %d, start is %d\n", now, + start); + I830PrintErrorState(pScrn); + ErrorF("space: %d wanted %d\n", ring->space, n); +#ifdef XF86DRI + if (pI830->directRenderingEnabled) { + DRIUnlock(screenInfo.screens[pScrn->scrnIndex]); + DRICloseScreen(screenInfo.screens[pScrn->scrnIndex]); + } +#endif + pI830->AccelInfoRec = NULL; /* Stops recursive behavior */ + FatalError("lockup\n"); + } + + DELAY(10); + } + + 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 +I830Sync(ScrnInfoPtr pScrn) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & (DEBUG_VERBOSE_ACCEL | DEBUG_VERBOSE_SYNC)) + ErrorF("I830Sync\n"); + +#ifdef XF86DRI + /* VT switching tries to do this. + */ + if (!pI830->LockHeld && pI830->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(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); + OUT_RING(MI_NOOP); /* pad to quadword */ + ADVANCE_LP_RING(); + } + + I830WaitLpRing(pScrn, pI830->LpRing.mem.Size - 8, 0); + + pI830->LpRing.space = pI830->LpRing.mem.Size - 8; + pI830->nextColorExpandBuf = 0; +} + +void +I830EmitFlush(ScrnInfoPtr pScrn) +{ + I830Ptr pI830 = I830PTR(pScrn); + + BEGIN_LP_RING(2); + OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); + OUT_RING(MI_NOOP); /* pad to quadword */ + ADVANCE_LP_RING(); +} + +void +I830SelectBuffer(ScrnInfoPtr pScrn, int buffer) +{ + I830Ptr pI830 = I830PTR(pScrn); + + switch (buffer) { +#ifdef XF86DRI + case I830_SELECT_BACK: + pI830->bufferOffset = pI830->BackBuffer.Start; + break; + case I830_SELECT_DEPTH: + pI830->bufferOffset = pI830->DepthBuffer.Start; + break; +#endif + default: + case I830_SELECT_FRONT: + pI830->bufferOffset = pI830->FrontBuffer.Start; + break; + } + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SelectBuffer %d --> offset %x\n", + buffer, pI830->bufferOffset); +} + +void +I830RefreshRing(ScrnInfoPtr pScrn) +{ + I830Ptr pI830 = I830PTR(pScrn); + + pI830->LpRing.head = INREG(LP_RING + RING_HEAD) & I830_HEAD_MASK; + pI830->LpRing.tail = INREG(LP_RING + RING_TAIL); + pI830->LpRing.space = pI830->LpRing.head - (pI830->LpRing.tail + 8); + if (pI830->LpRing.space < 0) + pI830->LpRing.space += pI830->LpRing.mem.Size; + + if (pI830->AccelInfoRec) + pI830->AccelInfoRec->NeedToSync = TRUE; +} + +/* I830 Accel Functions */ + +static void I830SetupForMono8x8PatternFill(ScrnInfoPtr pScrn, + int pattx, int patty, + int fg, int bg, int rop, + unsigned int planemask); +static void I830SubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn, + int pattx, int patty, + int x, int y, int w, int h); + +static void I830SetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn, + int fg, int bg, + int rop, + unsigned int mask); + +static void I830SubsequentScanlineCPUToScreenColorExpandFill(ScrnInfoPtr + pScrn, int x, + int y, int w, + int h, + int skipleft); + +static void I830SubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno); + +#if DO_SCANLINE_IMAGE_WRITE +static void I830SetupForScanlineImageWrite(ScrnInfoPtr pScrn, int rop, + unsigned int planemask, + int trans_color, int bpp, + int depth); +static void I830SubsequentScanlineImageWriteRect(ScrnInfoPtr pScrn, + int x, int y, int w, int h, + int skipleft); +static void I830SubsequentImageWriteScanline(ScrnInfoPtr pScrn, int bufno); +#endif + + +/* 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 +I830AccelInit(ScreenPtr pScreen) +{ + XAAInfoRecPtr infoPtr; + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830AccelInit\n"); + + pI830->AccelInfoRec = infoPtr = XAACreateInfoRec(); + if (!infoPtr) + return FALSE; + + pI830->bufferOffset = 0; + infoPtr->Flags = LINEAR_FRAMEBUFFER | OFFSCREEN_PIXMAPS | PIXMAP_CACHE; + + /* Use the same sync function as the I830. + */ + infoPtr->Sync = I830Sync; + + /* Everything else is different enough to justify different functions */ + { + infoPtr->SolidFillFlags = NO_PLANEMASK; + infoPtr->SetupForSolidFill = I830SetupForSolidFill; + infoPtr->SubsequentSolidFillRect = I830SubsequentSolidFillRect; + } + + { + infoPtr->ScreenToScreenCopyFlags = (NO_PLANEMASK | NO_TRANSPARENCY); + + infoPtr->SetupForScreenToScreenCopy = I830SetupForScreenToScreenCopy; + infoPtr->SubsequentScreenToScreenCopy = + I830SubsequentScreenToScreenCopy; + } + + { + infoPtr->SetupForMono8x8PatternFill = I830SetupForMono8x8PatternFill; + infoPtr->SubsequentMono8x8PatternFillRect = + I830SubsequentMono8x8PatternFillRect; + + infoPtr->Mono8x8PatternFillFlags = (HARDWARE_PATTERN_PROGRAMMED_BITS | + HARDWARE_PATTERN_SCREEN_ORIGIN | + HARDWARE_PATTERN_PROGRAMMED_ORIGIN | + BIT_ORDER_IN_BYTE_MSBFIRST | + NO_PLANEMASK); + + } + + if (pI830->Scratch.Size != 0) { + int i; + int width = ((pScrn->displayWidth + 31) & ~31) / 8; + int nr_buffers = pI830->Scratch.Size / width; + unsigned char *ptr = pI830->FbBase + pI830->Scratch.Start; + + pI830->NumScanlineColorExpandBuffers = nr_buffers; + pI830->ScanlineColorExpandBuffers = (unsigned char **) + xnfcalloc(nr_buffers, sizeof(unsigned char *)); + + for (i = 0; i < nr_buffers; i++, ptr += width) + pI830->ScanlineColorExpandBuffers[i] = ptr; + + infoPtr->ScanlineCPUToScreenColorExpandFillFlags = + (NO_PLANEMASK | ROP_NEEDS_SOURCE | BIT_ORDER_IN_BYTE_MSBFIRST); + + infoPtr->ScanlineColorExpandBuffers = (unsigned char **) + xnfcalloc(1, sizeof(unsigned char *)); + infoPtr->NumScanlineColorExpandBuffers = 1; + + infoPtr->ScanlineColorExpandBuffers[0] = + pI830->ScanlineColorExpandBuffers[0]; + pI830->nextColorExpandBuf = 0; + + infoPtr->SetupForScanlineCPUToScreenColorExpandFill = + I830SetupForScanlineCPUToScreenColorExpandFill; + + infoPtr->SubsequentScanlineCPUToScreenColorExpandFill = + I830SubsequentScanlineCPUToScreenColorExpandFill; + + infoPtr->SubsequentColorExpandScanline = + I830SubsequentColorExpandScanline; + +#if DO_SCANLINE_IMAGE_WRITE + infoPtr->NumScanlineImageWriteBuffers = 1; + infoPtr->ScanlineImageWriteBuffers = infoPtr->ScanlineColorExpandBuffers; + infoPtr->SetupForScanlineImageWrite = I830SetupForScanlineImageWrite; + infoPtr->SubsequentScanlineImageWriteRect = + I830SubsequentScanlineImageWriteRect; + infoPtr->SubsequentImageWriteScanline = I830SubsequentImageWriteScanline; + infoPtr->ScanlineImageWriteFlags = NO_GXCOPY | + NO_PLANEMASK | + ROP_NEEDS_SOURCE | + SCANLINE_PAD_DWORD; +#endif + } + + I830SelectBuffer(pScrn, I830_SELECT_FRONT); + + return XAAInit(pScreen, infoPtr); +} + +void +I830SetupForSolidFill(ScrnInfoPtr pScrn, int color, int rop, + unsigned int planemask) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SetupForFillRectSolid color: %x rop: %x mask: %x\n", + color, rop, planemask); + + pI830->BR[13] = ((i810PatternRop[rop] << 16) | + (pScrn->displayWidth * pI830->cpp)); + + pI830->BR[16] = color; + + switch (pScrn->bitsPerPixel) { + case 8: + break; + case 16: + pI830->BR[13] |= (1 << 24); + break; + case 32: + pI830->BR[13] |= ((1 << 25) | (1 << 24)); + break; + } +} + +void +I830SubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y, int w, int h) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentFillRectSolid %d,%d %dx%d\n", x, y, w, h); + + { + BEGIN_LP_RING(6); + + if (pScrn->bitsPerPixel == 32) { + OUT_RING(COLOR_BLT_CMD | COLOR_BLT_WRITE_ALPHA | + COLOR_BLT_WRITE_RGB); + } else { + OUT_RING(COLOR_BLT_CMD); + } + OUT_RING(pI830->BR[13]); + OUT_RING((h << 16) | (w * pI830->cpp)); + OUT_RING(pI830->bufferOffset + (y * pScrn->displayWidth + x) * + pI830->cpp); + OUT_RING(pI830->BR[16]); + OUT_RING(0); + + ADVANCE_LP_RING(); + } +} + +void +I830SetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir, int ydir, int rop, + unsigned int planemask, int transparency_color) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SetupForScreenToScreenCopy %d %d %x %x %d\n", + xdir, ydir, rop, planemask, transparency_color); + + pI830->BR[13] = (pScrn->displayWidth * pI830->cpp); + pI830->BR[13] |= i810Rop[rop] << 16; + + switch (pScrn->bitsPerPixel) { + case 8: + break; + case 16: + pI830->BR[13] |= (1 << 24); + break; + case 32: + pI830->BR[13] |= ((1 << 25) | (1 << 24)); + break; + } + +} + +void +I830SubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int src_x1, int src_y1, + int dst_x1, int dst_y1, int w, int h) +{ + I830Ptr pI830 = I830PTR(pScrn); + int dst_x2, dst_y2; + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentScreenToScreenCopy %d,%d - %d,%d %dx%d\n", + src_x1, src_y1, dst_x1, dst_y1, w, h); + + dst_x2 = dst_x1 + w; + dst_y2 = dst_y1 + h; + + { + BEGIN_LP_RING(8); + + if (pScrn->bitsPerPixel == 32) { + OUT_RING(XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + } else { + OUT_RING(XY_SRC_COPY_BLT_CMD); + } + OUT_RING(pI830->BR[13]); + OUT_RING((dst_y1 << 16) | (dst_x1 & 0xffff)); + OUT_RING((dst_y2 << 16) | (dst_x2 & 0xffff)); + OUT_RING(pI830->bufferOffset); + OUT_RING((src_y1 << 16) | (src_x1 & 0xffff)); + OUT_RING(pI830->BR[13] & 0xFFFF); + OUT_RING(pI830->bufferOffset); + + ADVANCE_LP_RING(); + } +} + +static void +I830SetupForMono8x8PatternFill(ScrnInfoPtr pScrn, int pattx, int patty, + int fg, int bg, int rop, + unsigned int planemask) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SetupForMono8x8PatternFill\n"); + + pI830->BR[16] = pattx; + pI830->BR[17] = patty; + pI830->BR[18] = bg; + pI830->BR[19] = fg; + + pI830->BR[13] = (pScrn->displayWidth * pI830->cpp); /* In bytes */ + pI830->BR[13] |= i810PatternRop[rop] << 16; + if (bg == -1) + pI830->BR[13] |= (1 << 28); + + switch (pScrn->bitsPerPixel) { + case 8: + break; + case 16: + pI830->BR[13] |= (1 << 24); + break; + case 32: + pI830->BR[13] |= ((1 << 25) | (1 << 24)); + break; + } + +} + +static void +I830SubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn, int pattx, int patty, + int x, int y, int w, int h) +{ + I830Ptr pI830 = I830PTR(pScrn); + int x1, x2, y1, y2; + + x1 = x; + x2 = x + w; + y1 = y; + y2 = y + h; + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentMono8x8PatternFillRect\n"); + + { + BEGIN_LP_RING(10); + + if (pScrn->bitsPerPixel == 32) { + OUT_RING(XY_MONO_PAT_BLT_CMD | XY_MONO_PAT_BLT_WRITE_ALPHA | + XY_MONO_PAT_BLT_WRITE_RGB | + ((patty << 8) & XY_MONO_PAT_VERT_SEED) | + ((pattx << 12) & XY_MONO_PAT_HORT_SEED)); + } else { + OUT_RING(XY_MONO_PAT_BLT_CMD | + ((patty << 8) & XY_MONO_PAT_VERT_SEED) | + ((pattx << 12) & XY_MONO_PAT_HORT_SEED)); + } + OUT_RING(pI830->BR[13]); + OUT_RING((y1 << 16) | x1); + OUT_RING((y2 << 16) | x2); + OUT_RING(pI830->bufferOffset); + OUT_RING(pI830->BR[18]); /* bg */ + OUT_RING(pI830->BR[19]); /* fg */ + OUT_RING(pI830->BR[16]); /* pattern data */ + OUT_RING(pI830->BR[17]); + OUT_RING(0); + ADVANCE_LP_RING(); + } +} + +static void +I830GetNextScanlineColorExpandBuffer(ScrnInfoPtr pScrn) +{ + I830Ptr pI830 = I830PTR(pScrn); + XAAInfoRecPtr infoPtr = pI830->AccelInfoRec; + + if (pI830->nextColorExpandBuf == pI830->NumScanlineColorExpandBuffers) + I830Sync(pScrn); + + infoPtr->ScanlineColorExpandBuffers[0] = + pI830->ScanlineColorExpandBuffers[pI830->nextColorExpandBuf]; + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("using color expand buffer %d\n", pI830->nextColorExpandBuf); + + pI830->nextColorExpandBuf++; +} + +static void +I830SetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn, + int fg, int bg, int rop, + unsigned int planemask) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SetupForScanlineScreenToScreenColorExpand %d %d %x %x\n", + fg, bg, rop, planemask); + + /* Fill out register values */ + pI830->BR[13] = (pScrn->displayWidth * pI830->cpp); + pI830->BR[13] |= i810Rop[rop] << 16; + if (bg == -1) + pI830->BR[13] |= (1 << 29); + + switch (pScrn->bitsPerPixel) { + case 8: + break; + case 16: + pI830->BR[13] |= (1 << 24); + break; + case 32: + pI830->BR[13] |= ((1 << 25) | (1 << 24)); + break; + } + + pI830->BR[18] = bg; + pI830->BR[19] = fg; + + I830GetNextScanlineColorExpandBuffer(pScrn); +} + +static void +I830SubsequentScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn, + int x, int y, + int w, int h, int skipleft) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentScanlineCPUToScreenColorExpandFill " + "%d,%d %dx%x %d\n", x, y, w, h, skipleft); + + /* Fill out register values */ + pI830->BR[9] = (pI830->bufferOffset + + (y * pScrn->displayWidth + x) * pI830->cpp); + pI830->BR[11] = ((1 << 16) | w); +} + +static void +I830SubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno) +{ + I830Ptr pI830 = I830PTR(pScrn); + + pI830->BR[12] = (pI830->AccelInfoRec->ScanlineColorExpandBuffers[0] - + pI830->FbBase); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentColorExpandScanline %d (addr %x)\n", + bufno, pI830->BR[12]); + + { + BEGIN_LP_RING(8); + + if (pScrn->bitsPerPixel == 32) { + OUT_RING(XY_MONO_SRC_BLT_CMD | XY_MONO_SRC_BLT_WRITE_ALPHA | + XY_MONO_SRC_BLT_WRITE_RGB); + } else { + OUT_RING(XY_MONO_SRC_BLT_CMD); + } + OUT_RING(pI830->BR[13]); + OUT_RING(0); /* x1 = 0, y1 = 0 */ + OUT_RING(pI830->BR[11]); /* x2 = w, y2 = 1 */ + OUT_RING(pI830->BR[9]); /* dst addr */ + OUT_RING(pI830->BR[12]); /* src addr */ + OUT_RING(pI830->BR[18]); /* bg */ + OUT_RING(pI830->BR[19]); /* fg */ + + ADVANCE_LP_RING(); + } + + /* Advance to next scanline. + */ + pI830->BR[9] += pScrn->displayWidth * pI830->cpp; + I830GetNextScanlineColorExpandBuffer(pScrn); +} + +#if DO_SCANLINE_IMAGE_WRITE +static void +I830SetupForScanlineImageWrite(ScrnInfoPtr pScrn, int rop, + unsigned int planemask, int trans_color, + int bpp, int depth) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SetupForScanlineImageWrite %x %x\n", rop, planemask); + + /* Fill out register values */ + pI830->BR[13] = (pScrn->displayWidth * pI830->cpp); + pI830->BR[13] |= i810Rop[rop] << 16; + + switch (pScrn->bitsPerPixel) { + case 8: + break; + case 16: + pI830->BR[13] |= (1 << 24); + break; + case 32: + pI830->BR[13] |= ((1 << 25) | (1 << 24)); + break; + } + + I830GetNextScanlineColorExpandBuffer(pScrn); +} + +static void +I830SubsequentScanlineImageWriteRect(ScrnInfoPtr pScrn, int x, int y, + int w, int h, int skipleft) +{ + I830Ptr pI830 = I830PTR(pScrn); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentScanlineImageWriteRect " + "%d,%d %dx%x %d\n", x, y, w, h, skipleft); + + /* Fill out register values */ + pI830->BR[9] = (pI830->bufferOffset + + (y * pScrn->displayWidth + x) * pI830->cpp); + pI830->BR[11] = ((1 << 16) | w); +} + +static void +I830SubsequentImageWriteScanline(ScrnInfoPtr pScrn, int bufno) +{ + I830Ptr pI830 = I830PTR(pScrn); + + pI830->BR[12] = (pI830->AccelInfoRec->ScanlineColorExpandBuffers[0] - + pI830->FbBase); + + if (I810_DEBUG & DEBUG_VERBOSE_ACCEL) + ErrorF("I830SubsequentImageWriteScanline %d (addr %x)\n", + bufno, pI830->BR[12]); + + { + BEGIN_LP_RING(8); + + if (pScrn->bitsPerPixel == 32) { + OUT_RING(XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + } else { + OUT_RING(XY_SRC_COPY_BLT_CMD); + } + OUT_RING(pI830->BR[13]); + OUT_RING(0); /* x1 = 0, y1 = 0 */ + OUT_RING(pI830->BR[11]); /* x2 = w, y2 = 1 */ + OUT_RING(pI830->BR[9]); /* dst addr */ + OUT_RING(0); /* source origin (0,0) */ + OUT_RING(pI830->BR[11] & 0xffff); /* source pitch */ + OUT_RING(pI830->BR[12]); /* src addr */ + + ADVANCE_LP_RING(); + } + + /* Advance to next scanline. + */ + pI830->BR[9] += pScrn->displayWidth * pI830->cpp; + I830GetNextScanlineColorExpandBuffer(pScrn); +} + +#endif |