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fixed NV1x 3D DMA acceleration. NV15 now renders the teapot at 400+fps in both 16 and 32bit, quake2 in 640x480x16 runs at 77fps. The DMA 3D driver is now fully operational to the same extent as the PIO version: but much faster :-). Note, this 2D driver is still in testing..

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12905 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2005-05-30 19:04:16 +00:00
parent 5692a950fa
commit f1909366e4
1 changed files with 15 additions and 8 deletions
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src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
+15 -8
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@@ -548,16 +548,20 @@ status_t nv_acc_init_dma()
ACCW(NV10_ACC_STAT, 0xffffffff);
/* enable acceleration engine command FIFO */
ACCW(FIFO_EN, 0x00000001);
/* setup surface type */
/* setup surface type:
* b1-0 = %01 = surface type is non-swizzle;
* this is needed to enable 3D on NV1x (confirmed) and maybe others? */
ACCW(NV10_SURF_TYP, ((ACCR(NV10_SURF_TYP)) & 0x0007ff00));
ACCW(NV10_SURF_TYP, ((ACCR(NV10_SURF_TYP)) | 0x00020100));
ACCW(NV10_SURF_TYP, ((ACCR(NV10_SURF_TYP)) | 0x00020101));
}
if (si->ps.card_arch == NV10A)
{
/* init some function blocks */
ACCW(DEBUG1, 0x00118700);
ACCW(DEBUG2, 0x24e00810);
/* DEBUG2 has a big influence on 3D speed! */
//fixme? 3D test: was 0x24e00810, which is very slow on NV15 (confirmed)
ACCW(DEBUG2, 0x24f82ad9);
ACCW(DEBUG3, 0x55de0030);
/* copy tile setup stuff from 'source' to acc engine */
@@ -1080,16 +1084,19 @@ static void nv_init_for_3D_dma(void)
ACCW(WINCLIP_V_6, 0x07ff0800);
ACCW(WINCLIP_V_7, 0x07ff0800);
/* setup (initialize) pipe */
/* setup (initialize) pipe:
* needed to get valid 3D rendering on (at least) NV1x cards. Without this
* those cards produce rubbish instead of 3D, although the engine itself keeps
* running and 2D stays OK. */
/* set eyetype to local, lightning etc. is off */
// ACCW(NV10_XFMOD0, 0x10000000);
ACCW(NV10_XFMOD0, 0x10000000);
/* disable all lights */
// ACCW(NV10_XFMOD1, 0x00000000);
ACCW(NV10_XFMOD1, 0x00000000);
/* note: upon writing data into the PIPEDAT register, the PIPEADR is
* probably auto-incremented! */
/* (pipe adress = b2-16, pipe data = b0-31) */
/*
ACCW(NV10_PIPEADR, 0x00006740);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
@@ -1223,7 +1230,7 @@ static void nv_init_for_3D_dma(void)
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
*/
/* turn lightning on */
ACCW(NV10_XFMOD0, 0x30000000);
/* set light 1 to infinite type, other lights remain off */