diff options
Diffstat (limited to 'src/alp_xaa.c')
-rw-r--r-- | src/alp_xaa.c | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/src/alp_xaa.c b/src/alp_xaa.c new file mode 100644 index 0000000..417f816 --- /dev/null +++ b/src/alp_xaa.c @@ -0,0 +1,686 @@ +/* (c) Itai Nahshon */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/cirrus/alp_xaa.c,v 1.8 2002/01/25 21:56:00 tsi Exp $ */ + +#include "xf86.h" +#include "xf86_OSproc.h" +#include "xf86_ansic.h" +#include "compiler.h" + +#include "xf86Pci.h" +#include "xf86PciInfo.h" + +#include "vgaHW.h" + +#include "cir.h" +#define _ALP_PRIVATE_ +#include "alp.h" + +#define WAIT outb(pCir->PIOReg, 0x31); \ + while(inb(pCir->PIOReg + 1) & pCir->chip.alp->waitMsk){}; +#define WAIT_1 outb(pCir->PIOReg, 0x31); \ + while(inb(pCir->PIOReg + 1) & 0x1){}; + +static const CARD16 translated_rop[] = +{ + /* GXclear */ 0x0032U, + /* GXand */ 0x0532U, + /* GXandreverse */ 0x0932U, + /* GXcopy */ 0x0D32U, + /* GXandinversted */ 0x5032U, + /* GXnoop */ 0x0632U, + /* GXxor */ 0x5932U, + /* GXor */ 0x6D32U, + /* GXnor */ 0x9032U, + /* GXequiv */ 0x9532U, + /* GXinvert */ 0x0B32U, + /* GXorReverse */ 0xAD32U, + /* GXcopyInverted */ 0xD032U, + /* GXorInverted */ 0xD632U, + /* GXnand */ 0xDA32U, + /* GXset */ 0x0E32U +}; + +#if 1 +#define SetupForRop(rop) outw(pCir->PIOReg, translated_rop[rop]) +#else +#define SetupForRop(rop) outw(pCir->PIOReg, 0x0D32) +#endif + +static void AlpSync(ScrnInfoPtr pScrn) +{ + CirPtr pCir = CIRPTR(pScrn); + +#ifdef ALP_DEBUG + ErrorF("AlpSync\n"); +#endif + WAIT_1; + return; +} + +static void +AlpSetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir, int ydir, + int rop, unsigned int planemask, + int trans_color) +{ + CirPtr pCir = CIRPTR(pScrn); + int pitch = pCir->pitch; + +#ifdef ALP_DEBUG + ErrorF("AlpSetupForScreenToScreenCopy xdir=%d ydir=%d rop=%x planemask=%x trans_color=%x\n", + xdir, ydir, rop, planemask, trans_color); +#endif + WAIT; + SetupForRop(rop); + /* Set dest pitch */ + outw(pCir->PIOReg, ((pitch << 8) & 0xff00) | 0x24); + outw(pCir->PIOReg, ((pitch) & 0x1f00) | 0x25); + /* Set source pitch */ + outw(pCir->PIOReg, ((pitch << 8) & 0xff00) | 0x26); + outw(pCir->PIOReg, ((pitch) & 0x1f00) | 0x27); +} + +static void +AlpSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int x1, int y1, int x2, + int y2, int w, int h) +{ + CirPtr pCir = CIRPTR(pScrn); + int source, dest; + int hh, ww; + int decrement = 0; + int pitch = pCir->pitch; + + ww = (w * pScrn->bitsPerPixel / 8) - 1; + hh = h - 1; + dest = y2 * pitch + x2 * pScrn->bitsPerPixel / 8; + source = y1 * pitch + x1 * pScrn->bitsPerPixel / 8; + if (dest > source) { + decrement = 1 << 8; + dest += hh * pitch + ww; + source += hh * pitch + ww; + } + + WAIT; + + outw(pCir->PIOReg, decrement | 0x30); + + /* Width */ + outw(pCir->PIOReg, ((ww << 8) & 0xff00) | 0x20); + outw(pCir->PIOReg, ((ww) & 0x1f00) | 0x21); + /* Height */ + outw(pCir->PIOReg, ((hh << 8) & 0xff00) | 0x22); + outw(pCir->PIOReg, ((hh) & 0x0700) | 0x23); + + + /* source */ + outw(pCir->PIOReg, ((source << 8) & 0xff00) | 0x2C); + outw(pCir->PIOReg, ((source) & 0xff00) | 0x2D); + outw(pCir->PIOReg, ((source >> 8) & 0x3f00)| 0x2E); + + /* dest */ + outw(pCir->PIOReg, ((dest << 8) & 0xff00) | 0x28); + outw(pCir->PIOReg, ((dest) & 0xff00) | 0x29); + outw(pCir->PIOReg, ((dest >> 8) & 0x3f00) | 0x2A); + if (!pCir->chip.alp->autoStart) + outw(pCir->PIOReg, 0x0231); + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentScreenToScreenCopy x1=%d y1=%d x2=%d y2=%d w=%d h=%d\n", + x1, y1, x2, y2, w, h); + ErrorF("AlpSubsequentScreenToScreenCopy s=%d d=%d ww=%d hh=%d\n", + source, dest, ww, hh); +#endif + +} + +static void +AlpSetupForSolidFill(ScrnInfoPtr pScrn, int color, int rop, + unsigned int planemask) +{ + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + int pitch = pCir->pitch; + +#ifdef ALP_DEBUG + ErrorF("AlpSetupForSolidFill color=%x rop=%x planemask=%x\n", + color, rop, planemask); +#endif + WAIT; + + SetupForRop(rop); + + switch (pCir -> Chipset) + { + case PCI_CHIP_GD7548: + /* The GD7548 does not (apparently) support solid filling + directly, it always need an actual source. + We therefore use it as a pattern fill with a solid + pattern */ + { + int source = pAlp->monoPattern8x8; + /* source = 8x8 solid mono pattern */ + outw(pCir->PIOReg, ((source << 8) & 0xff00) | 0x2C); + outw(pCir->PIOReg, ((source) & 0xff00) | 0x2D); + outw(pCir->PIOReg, ((source >> 8) & 0x3f00) | 0x2E); + /* memset() may not be the fastest */ + memset(pCir->FbBase + pAlp->monoPattern8x8, 0xFF, 8); + write_mem_barrier(); + break; + } + default: + /* GR33 = 0x04 => does not exist on GD7548 */ + outw(pCir->PIOReg, 0x0433); + } + + /* GR30 = color expansion, pattern copy */ + /* Choses 8bpp / 16bpp color expansion */ + outw(pCir->PIOReg, 0xC030 |((pScrn->bitsPerPixel - 8) << 9)); + + outw(pCir->PIOReg, ((color << 8) & 0xff00) | 0x01); + outw(pCir->PIOReg, ((color) & 0xff00) | 0x11); + outw(pCir->PIOReg, ((color >> 8) & 0xff00) | 0x13); + outw(pCir->PIOReg, 0x15); + + /* Set dest pitch */ + outw(pCir->PIOReg, ((pitch << 8) & 0xff00) | 0x24); + outw(pCir->PIOReg, ((pitch) & 0x1f00) | 0x25); +} + +static void +AlpSubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y, int w, int h) +{ + CirPtr pCir = CIRPTR(pScrn); + int dest; + int hh, ww; + int pitch = pCir->pitch; + + ww = (w * pScrn->bitsPerPixel / 8) - 1; + hh = h - 1; + dest = y * pitch + x * pScrn->bitsPerPixel / 8; + + WAIT; + + /* Width */ + outw(pCir->PIOReg, ((ww << 8) & 0xff00) | 0x20); + outw(pCir->PIOReg, ((ww) & 0x1f00) | 0x21); + /* Height */ + outw(pCir->PIOReg, ((hh << 8) & 0xff00) | 0x22); + outw(pCir->PIOReg, ((hh) & 0x0700) | 0x23); + + /* dest */ + outw(pCir->PIOReg, ((dest << 8) & 0xff00) | 0x28); + outw(pCir->PIOReg, ((dest) & 0xff00) | 0x29); + outw(pCir->PIOReg, ((dest >> 8) & 0x3f00) | 0x2A); + if (!pCir->chip.alp->autoStart) + outw(pCir->PIOReg, 0x0231); + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentSolidFillRect x=%d y=%d w=%d h=%d\n", + x, y, w, h); +#endif + +} + +static void +AlpSetupForMono8x8PatternFill(ScrnInfoPtr pScrn, + int patx, int paty, + int fg, int bg, + int rop, unsigned int planemask) +{ + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + int pitch = pCir->pitch; + +#ifdef ALP_DEBUG + ErrorF("AlpSetupFor8x8PatternFill pattern=%8x%8x" + "fg=%x bg=%x rop=%x planemask=%x\n", + patx, paty, fg, bg, rop, planemask); +#endif + WAIT; + + SetupForRop(rop); + + { + int source = pAlp->monoPattern8x8; + /* source = 8x8 solid mono pattern */ + outw(pCir->PIOReg, ((source << 8) & 0xff00) | 0x2C); + outw(pCir->PIOReg, ((source) & 0xff00) | 0x2D); + outw(pCir->PIOReg, ((source >> 8) & 0x3f00) | 0x2E); + } + + /* GR30 = color expansion, pattern copy */ + /* Choses 8bpp / 16bpp color expansion */ + if (bg == -1) + { /* transparency requested */ + outw(pCir->PIOReg, 0xC830 |((pScrn->bitsPerPixel - 8) << 9)); + + bg = ~fg; + /* transparent color compare */ + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x34); + outw(pCir->PIOReg, ((bg) & 0xff00) | 0x35); + + /* transparent color mask = 0 (all bits matters) */ + outw(pCir->PIOReg, 0x38); + outw(pCir->PIOReg, 0x39); + } + else + { + outw(pCir->PIOReg, 0xC030 |((pScrn->bitsPerPixel - 8) << 9)); + } + + outw(pCir->PIOReg, ((fg << 8) & 0xff00) | 0x01); + outw(pCir->PIOReg, ((fg) & 0xff00) | 0x11); + + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x00); + outw(pCir->PIOReg, ((bg) & 0xff00) | 0x10); + + /* Set dest pitch */ + outw(pCir->PIOReg, ((pitch << 8) & 0xff00) | 0x24); + outw(pCir->PIOReg, ((pitch) & 0x1f00) | 0x25); +} + +static void +AlpSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn, int patx, int paty, + int x, int y, int w, int h) +{ + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + int dest; + int hh, ww; + int pitch = pCir->pitch; + + ww = (w * pScrn->bitsPerPixel / 8) - 1; + hh = h - 1; + dest = y * pitch + x * pScrn->bitsPerPixel / 8; + + WAIT; + /* memcpy() may not be the fastest */ + memcpy(pCir->FbBase + pAlp->monoPattern8x8, &patx, 4); + memcpy(pCir->FbBase + pAlp->monoPattern8x8 + 4, &paty, 4); + write_mem_barrier(); + + /* Width */ + outw(pCir->PIOReg, ((ww << 8) & 0xff00) | 0x20); + outw(pCir->PIOReg, ((ww) & 0x1f00) | 0x21); + /* Height */ + outw(pCir->PIOReg, ((hh << 8) & 0xff00) | 0x22); + outw(pCir->PIOReg, ((hh) & 0x0700) | 0x23); + + /* dest */ + outw(pCir->PIOReg, ((dest << 8) & 0xff00) | 0x28); + outw(pCir->PIOReg, ((dest) & 0xff00) | 0x29); + outw(pCir->PIOReg, ((dest >> 8) & 0x3f00) | 0x2A); + if (!pCir->chip.alp->autoStart) + outw(pCir->PIOReg, 0x0231); + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequent8x8PatternFill x=%d y=%d w=%d h=%d\n", + x, y, w, h); +#endif + +} + +#if 0 +/* XF86 does not support byte-padded scanlines */ + +static void +AlpSetupForCPUToScreenColorExpandFill(ScrnInfoPtr pScrn, + int fg, int bg, + int rop, + unsigned int planemask) +{ + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + int pitch = pCir->pitch; + +#ifdef ALP_DEBUG + ErrorF("AlpSetupForCPUToScreenColorExpandFill " + "fg=%x bg=%x rop=%x planemask=%x\n", + fg, bg, rop, planemask); +#endif + WAIT; + + SetupForRop(rop); + + /* GR30 = color expansion, CPU->display copy */ + /* Choses 8bpp / 16bpp color expansion */ + if (bg == -1) + { /* transparency requested */ + outw(pCir->PIOReg, 0x8C30 |((pScrn->bitsPerPixel - 8) << 9)); + + bg = ~fg; + /* transparent color compare */ + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x34); + outw(pCir->PIOReg, ((bg) & 0xff00) | 0x35); + + /* transparent color mask = 0 (all bits matters) */ + outw(pCir->PIOReg, 0x38); + outw(pCir->PIOReg, 0x39); + } + else + { + outw(pCir->PIOReg, 0x8430 |((pScrn->bitsPerPixel - 8) << 9)); + } + + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x00); + outw(pCir->PIOReg, ((bg) & 0xff00) | 0x10); + + outw(pCir->PIOReg, ((fg << 8) & 0xff00) | 0x01); + outw(pCir->PIOReg, ((fg) & 0xff00) | 0x11); + + /* Set dest pitch */ + outw(pCir->PIOReg, ((pitch << 8) & 0xff00) | 0x24); + outw(pCir->PIOReg, ((pitch) & 0x1f00) | 0x25); +} + +static void +AlpSubsequentCPUToScreenColorExpandFill( + ScrnInfoPtr pScrn, + int x, int y, int w, int h, + int skipleft) +{ + CirPtr pCir = CIRPTR(pScrn); + int dest; + int hh, ww; + int pitch = pCir->pitch; + + ww = (((w+7) & ~7) * pScrn->bitsPerPixel / 8) - 1; + hh = h - 1; + dest = y * pitch + x * pScrn->bitsPerPixel / 8; + + WAIT; + + /* Width */ + outw(pCir->PIOReg, ((ww << 8) & 0xff00) | 0x20); + outw(pCir->PIOReg, ((ww) & 0x1f00) | 0x21); + /* Height */ + outw(pCir->PIOReg, ((hh << 8) & 0xff00) | 0x22); + outw(pCir->PIOReg, ((hh) & 0x0700) | 0x23); + + /* source = CPU ; description of bit 2 of GR30 in the 7548 manual + says that if we do color expansion we must zero the source + adress registers (GR2C, GR2D, GR2E) */ + outw(pCir->PIOReg, 0x2C); + outw(pCir->PIOReg, 0x2D); + outw(pCir->PIOReg, 0x2E); + + /* dest */ + outw(pCir->PIOReg, ((dest << 8) & 0xff00) | 0x28); + outw(pCir->PIOReg, ((dest) & 0xff00) | 0x29); + outw(pCir->PIOReg, ((dest >> 8) & 0x3f00) | 0x2A); + if (!pCir->chip.alp->autoStart) + outw(pCir->PIOReg, 0x0231); + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentCPUToScreenColorExpandFill x=%d y=%d w=%d h=%d\n", + x, y, w, h); +#endif +} +#endif + +#if 1 +static void +AlpSetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn, + int fg, int bg, + int rop, + unsigned int planemask) +{ + CirPtr pCir = CIRPTR(pScrn); + int pitch = pCir->pitch; + +#ifdef ALP_DEBUG + ErrorF("AlpSetupForCPUToScreenColorExpandFill " + "fg=%x bg=%x rop=%x planemask=%x, bpp=%d\n", + fg, bg, rop, planemask, pScrn->bitsPerPixel); +#endif + WAIT; + + SetupForRop(rop); + + /* GR30 = color expansion, CPU->display copy */ + /* Choses 8bpp / 16bpp color expansion */ + if (bg == -1) + { /* transparency requested */ + if (pScrn->bitsPerPixel > 8) /* 16 bpp */ + { + outw(pCir->PIOReg, 0x9C30); + + bg = ~fg; + /* transparent color compare */ + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x34); + outw(pCir->PIOReg, ((bg) & 0xff00) | 0x35); + } else /* 8 bpp */ + { + outw(pCir->PIOReg, 0x8C30); + + bg = ~fg; + /* transparent color compare */ + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x34); + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x35); + } + + /* transparent color mask = 0 (all bits matters) */ + outw(pCir->PIOReg, 0x38); + outw(pCir->PIOReg, 0x39); + } + else + { + outw(pCir->PIOReg, 0x8430 |((pScrn->bitsPerPixel - 8) << 9)); + } + + outw(pCir->PIOReg, ((bg << 8) & 0xff00) | 0x00); + outw(pCir->PIOReg, ((bg) & 0xff00) | 0x10); + + outw(pCir->PIOReg, ((fg << 8) & 0xff00) | 0x01); + outw(pCir->PIOReg, ((fg) & 0xff00) | 0x11); + + /* Set dest pitch */ + outw(pCir->PIOReg, ((pitch << 8) & 0xff00) | 0x24); + outw(pCir->PIOReg, ((pitch) & 0x1f00) | 0x25); +} + +static void +AlpSubsequentScanlineCPUToScreenColorExpandFill( + ScrnInfoPtr pScrn, + int x, int y, int w, int h, + int skipleft) +{ + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + + int pitch = pCir->pitch; + + pAlp->SubsequentColorExpandScanlineByteWidth = + (w * pScrn->bitsPerPixel / 8) - 1; + pAlp->SubsequentColorExpandScanlineDWordWidth = + (w + 31) >> 5; + pAlp->SubsequentColorExpandScanlineDest = + y * pitch + x * pScrn->bitsPerPixel / 8; + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentScanlineCPUToScreenColorExpandFill x=%d y=%d w=%d h=%d skipleft=%d\n", + x, y, w, h, skipleft); +#endif +} + +static void +AlpSubsequentColorExpandScanline( + ScrnInfoPtr pScrn, + int bufno) +{ + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + int dest=pAlp->SubsequentColorExpandScanlineDest; + int ww=pAlp->SubsequentColorExpandScanlineByteWidth; + int width=pAlp->SubsequentColorExpandScanlineDWordWidth; + CARD32* from; + volatile CARD32 *to; + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentColorExpandScanline\n"); +#endif + + pAlp->SubsequentColorExpandScanlineDest += pCir->pitch; + + to = (CARD32*) pCir->FbBase; + from = (CARD32*) (pCir->ScanlineColorExpandBuffers[bufno]); + WAIT_1; + + /* Width */ + outw(pCir->PIOReg, ((ww << 8) & 0xff00) | 0x20); + outw(pCir->PIOReg, ((ww) & 0x1f00) | 0x21); + + /* Height = 1 */ + outw(pCir->PIOReg, 0x22); + outw(pCir->PIOReg, 0x23); + + /* source = CPU ; description of bit 2 of GR30 in the 7548 manual + says that if we do color expansion we must zero the source + adress registers (GR2C, GR2D, GR2E) */ + outw(pCir->PIOReg, 0x2C); + outw(pCir->PIOReg, 0x2D); + outw(pCir->PIOReg, 0x2E); + + /* dest */ + outw(pCir->PIOReg, ((dest << 8) & 0xff00) | 0x28); + outw(pCir->PIOReg, ((dest) & 0xff00) | 0x29); + write_mem_barrier(); + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentColorExpandScanline (2)\n"); +#endif + + outw(pCir->PIOReg, ((dest >> 8) & 0x3f00) | 0x2A); + if (!pCir->chip.alp->autoStart) + outw(pCir->PIOReg, 0x0231); + + { + int i; + for (i=0; i<width; i++) + *to=*(from++); + write_mem_barrier(); + } + +#ifdef ALP_DEBUG + ErrorF("AlpSubsequentColorExpandScanline (3)\n"); +#endif +} +#endif + +static void +AlpAccelEngineInit(ScrnInfoPtr pScrn) +{ + CirPtr pCir = CIRPTR(pScrn); + + outw(pCir->PIOReg, 0x200E); /* enable writes to gr33 */ + /* Setup things for autostart */ + if (pCir->properties & ACCEL_AUTOSTART) { + outw(pCir->PIOReg, 0x8031); /* enable autostart */ + pCir->chip.alp->waitMsk = 0x10; + pCir->chip.alp->autoStart = TRUE; + } else { + pCir->chip.alp->waitMsk = 0x1; + pCir->chip.alp->autoStart = FALSE; + } +} + +Bool +AlpXAAInit(ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + CirPtr pCir = CIRPTR(pScrn); + AlpPtr pAlp = ALPPTR(pCir); + XAAInfoRecPtr XAAPtr; + + pCir->InitAccel = AlpAccelEngineInit; +#ifdef ALP_DEBUG + ErrorF("AlpXAAInit\n"); +#endif + + XAAPtr = XAACreateInfoRec(); + if (!XAAPtr) return FALSE; + + /* Pixmap cache */ + XAAPtr->Flags |= LINEAR_FRAMEBUFFER; + XAAPtr->Sync = AlpSync; + + XAAPtr->SetupForScreenToScreenCopy = AlpSetupForScreenToScreenCopy; + XAAPtr->SubsequentScreenToScreenCopy = AlpSubsequentScreenToScreenCopy; + XAAPtr->ScreenToScreenCopyFlags = + NO_TRANSPARENCY | NO_PLANEMASK; + + XAAPtr->SetupForSolidFill = AlpSetupForSolidFill; + XAAPtr->SubsequentSolidFillRect = AlpSubsequentSolidFillRect; + XAAPtr->SubsequentSolidFillTrap = NULL; + XAAPtr->SolidFillFlags = NO_PLANEMASK; + + if (pCir->Chipset == PCI_CHIP_GD7548) { + if (pAlp->monoPattern8x8) { + XAAPtr->SetupForMono8x8PatternFill + = AlpSetupForMono8x8PatternFill; + XAAPtr->SubsequentMono8x8PatternFillRect + = AlpSubsequentMono8x8PatternFillRect; + XAAPtr->SubsequentMono8x8PatternFillTrap = NULL; + XAAPtr->Mono8x8PatternFillFlags = + NO_PLANEMASK | + HARDWARE_PATTERN_PROGRAMMED_BITS | BIT_ORDER_IN_BYTE_MSBFIRST; + } +#if 1 + /* kludge: since XF86 does not support byte-padded + mono bitmaps (only dword-padded), use the + scanline version */ + XAAPtr->SetupForScanlineCPUToScreenColorExpandFill = + AlpSetupForScanlineCPUToScreenColorExpandFill; + XAAPtr->SubsequentScanlineCPUToScreenColorExpandFill = + AlpSubsequentScanlineCPUToScreenColorExpandFill; + XAAPtr->SubsequentColorExpandScanline = + AlpSubsequentColorExpandScanline; + { + const int NumScanlineColorExpandBuffers = 2; + int i; + int buffer_size = (pCir->pScrn->virtualX + 31) & ~31; +#ifdef ALP_DEBUG + ErrorF("Computing buffers for %d pixel lines\n", + pCir->pScrn->virtualX); +#endif + XAAPtr->NumScanlineColorExpandBuffers = + NumScanlineColorExpandBuffers; + XAAPtr->ScanlineColorExpandBuffers = + pCir->ScanlineColorExpandBuffers = (unsigned char **) + (malloc(sizeof(unsigned char *) * + NumScanlineColorExpandBuffers)); + /* TODO: are those mallocs to be freed ? */ + + for(i=0; i<NumScanlineColorExpandBuffers; i++) + pCir->ScanlineColorExpandBuffers[i] = (unsigned char *) + malloc(buffer_size); + } + XAAPtr->ScanlineCPUToScreenColorExpandFillFlags = + NO_PLANEMASK | BIT_ORDER_IN_BYTE_MSBFIRST | + SCANLINE_PAD_DWORD | ROP_NEEDS_SOURCE; +#endif +#if 0 + /* Currently disabled: XF86 sends DWORD-padded data, + not byte-padded */ + XAAPtr->SetupForCPUToScreenColorExpandFill = + AlpSetupForCPUToScreenColorExpandFill; + XAAPtr->SubsequentCPUToScreenColorExpandFill = + AlpSubsequentCPUToScreenColorExpandFill; + XAAPtr->ColorExpandBase = pCir->FbBase + 4; + XAAPtr->CPUToScreenColorExpandFillFlags = + NO_PLANEMASK | BIT_ORDER_IN_BYTE_MSBFIRST | + SCANLINE_PAD_DWORD | ROP_NEEDS_SOURCE | + CPU_TRANSFER_PAD_DWORD | CPU_TRANSFER_BASE_FIXED; +#endif + } + + AlpAccelEngineInit(pScrn); + + pCir->AccelInfoRec = XAAPtr; + + if (!XAAInit(pScreen, XAAPtr)) + return FALSE; + + return TRUE; +} + |