diff options
| author | Tilman Sauerbeck <tilman@hammerfest.(none)> | 2006-09-09 01:14:38 +0200 |
|---|---|---|
| committer | Tilman Sauerbeck <tilman@hammerfest.(none)> | 2006-09-09 01:14:38 +0200 |
| commit | c2545d6e94964fc981746cdf212b5dc9cd4fdd1b (patch) | |
| tree | b70672c9109dc66d18c4860598aa1e21f18105cb /src/mga_exa.c | |
| parent | 3969fe1176da9e39b722982889a3cccc0f812e59 (diff) | |
Implemented pseudo-DMA based UTS.
Diffstat (limited to 'src/mga_exa.c')
| -rw-r--r-- | src/mga_exa.c | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/src/mga_exa.c b/src/mga_exa.c index 15f43d6..74c325c 100644 --- a/src/mga_exa.c +++ b/src/mga_exa.c @@ -729,10 +729,35 @@ mgaComposite(PixmapPtr pDst, int srcx, int srcy, int maskx, int masky, } static Bool -mgaUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, char *src, - int src_pitch) +mgaUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, + char *src, int src_pitch) { - return FALSE; + PMGA(pDst); + int bytes_padded = ((pDst->drawable.bitsPerPixel * w + 31) / 32) * 4; + + QUIESCE_DMA(pDst); + + mgaSetup(pMga, pDst, NULL, 10); + + OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT); + OUTREG(MGAREG_DSTORG, exaGetPixmapOffset(pDst)); + OUTREG(MGAREG_PITCH, mgaGetPixmapPitch(pDst)); + OUTREG(MGAREG_PLNWT, 0xffffffff); + OUTREG(MGAREG_DWGCTL, MGADWG_ILOAD | MGADWG_BFCOL | + MGADWG_SGNZERO | MGADWG_SHIFTZERO | + MGADWG_RSTR | 0x000c0000); + OUTREG(MGAREG_AR0, w - 1); + OUTREG(MGAREG_AR3, 0); + OUTREG(MGAREG_AR5, 0); + OUTREG(MGAREG_FXBNDRY, ((x + w - 1) << 16) | (x & 0xffff)); + OUTREG(MGAREG_YDSTLEN | MGAREG_EXEC, (y << 16) | (h & 0xffff)); + + while (h--) { + memcpy (pMga->ILOADBase, src, bytes_padded); + src += src_pitch; + } + + return TRUE; } static Bool @@ -811,10 +836,8 @@ mgaExaInit(ScreenPtr pScreen) pExa->DoneComposite = mgaNoopDone; } - if (0) { - pExa->DownloadFromScreen = mgaDownloadFromScreen; - pExa->UploadToScreen = mgaUploadToScreen; - } + /* pExa->DownloadFromScreen = mgaDownloadFromScreen; */ + pExa->UploadToScreen = mgaUploadToScreen; /* XXX fill in the XAA setup code here */ #if 0 |