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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7889 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-06-10 10:36:00 +00:00
parent 72eb7e103d
commit 32b500e5c9
1 changed files with 7 additions and 7 deletions
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14
src/add-ons/accelerants/neomagic/engine/nm_bes.c
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@ -1,5 +1,5 @@
/* NeoMagic Back End Scaler functions */ /* NeoMagic Back End Scaler functions */
/* Written by Rudolf Cornelissen 05/2002-06/2003 */ /* Written by Rudolf Cornelissen 05/2002-06/2004 */
#define MODULE_BIT 0x00000200 #define MODULE_BIT 0x00000200
@ -419,11 +419,11 @@ status_t nm_configure_bes
/* enable auto-alternating hardware buffers if alternating buffers is enabled (NM2160) */ /* enable auto-alternating hardware buffers if alternating buffers is enabled (NM2160) */
bi.globctlv |= 1 << 8; bi.globctlv |= 1 << 8;
/* ??? */ /* disable capture */
bi.globctlv |= 1 << 13; bi.globctlv |= 1 << 13;
/* display one buffer (no alternating buffers) (NM2160: no effect) */ /* capture: display one buffer (no alternating buffers) */
bi.globctlv |= 0 << 14; bi.globctlv |= 0 << 14;
/* display frame (no field) (NM2160: no effect) */ /* capture: display frame (no field) */
bi.globctlv |= 0 << 15; bi.globctlv |= 0 << 15;
/* BTW: horizontal and vertical filtering are always turned on in NM hardware. */ /* BTW: horizontal and vertical filtering are always turned on in NM hardware. */
@ -493,12 +493,12 @@ status_t nm_configure_bes
PCIGRPHW(BUF1ORGL, (bi.a1orgv & 0xff)); PCIGRPHW(BUF1ORGL, (bi.a1orgv & 0xff));
PCIGRPHW(BUF1ORGM, ((bi.a1orgv >> 8) & 0xff)); PCIGRPHW(BUF1ORGM, ((bi.a1orgv >> 8) & 0xff));
PCIGRPHW(BUF1ORGH, ((bi.a1orgv >> 16) & 0xff)); PCIGRPHW(BUF1ORGH, ((bi.a1orgv >> 16) & 0xff));
/* b2 = 0: don't use horizontal mirroring (NM2160) */
/* other bits do ??? */
PCIGRPHW(0xbf, 0x02);
/* ??? */ /* ??? */
PCIGRPHW(0xbd, 0x02); PCIGRPHW(0xbd, 0x02);
PCIGRPHW(0xbe, 0x00); PCIGRPHW(0xbe, 0x00);
/* b2 = 0: don't use horizontal mirroring (NM2160) */
/* other bits do ??? */
PCIGRPHW(0xbf, 0x02);
/* (subpixel precise) source rect clipping is not supported on NeoMagic cards; /* (subpixel precise) source rect clipping is not supported on NeoMagic cards;
* so we do 'pixel precise' left clipping via modification of buffer * so we do 'pixel precise' left clipping via modification of buffer
* startadress above instead. * startadress above instead.