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(hopefully) completed global 3D engine initialization.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10415 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-12-13 13:34:28 +00:00
parent a282e63d4b
commit a8a807c705
1 changed files with 218 additions and 29 deletions
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247
src/add-ons/accelerants/nvidia/engine/nv_acc.c
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@ -2,13 +2,17 @@
/* Author:
Rudolf Cornelissen 8/2003-12/2004.
This code was possible thanks to the Linux NV driver.
This code was possible thanks to:
- the Linux XFree86 NV driver,
- the Linux UtahGLX 3D driver.
*/
#define MODULE_BIT 0x00080000
#include "nv_std.h"
static void nv_init_for_3D(void);
/*acceleration notes*/
/*functions Be's app_server uses:
@ -645,6 +649,8 @@ status_t nv_acc_init()
ACCW(NV10_PIPEADR, 0x00000040);
ACCW(NV10_PIPEDAT, 0x00000008);
/* note: upon writing data into the PIPEDAT register, the PIPEADR is
* probably auto-incremented! */
ACCW(NV10_PIPEADR, 0x00000200);
for (cnt = 0; cnt < (3 * 16); cnt++) ACCW(NV10_PIPEDAT, 0x00000000);
@ -687,8 +693,40 @@ status_t nv_acc_init()
for (cnt = 0; cnt < 4; cnt++) ACCW(NV10_PIPEDAT, 0x00000000);
}
/* setup 3D specifics */
nv_init_for_3D();
/*** setup acceleration engine command shortcuts (so via fifo) ***/
/* (b31 = 1 selects 'config' function?) */
ACCW(FIFO_00800000, 0x80000000); /* Raster OPeration */
ACCW(FIFO_00802000, 0x80000001); /* Clip */
ACCW(FIFO_00804000, 0x80000002); /* Pattern */
ACCW(FIFO_00806000, 0x80000010); /* Pixmap (not used or 3D only?) */
ACCW(FIFO_00808000, 0x80000011); /* Blit */
ACCW(FIFO_0080a000, 0x80000012); /* Bitmap */
ACCW(FIFO_0080c000, 0x80000016); /* Line (not used or 3D only?) */
ACCW(FIFO_0080e000, 0x80000014); /* Textured Triangle (3D only) */
/* do first actual acceleration engine command:
* setup clipping region (workspace size) to 32768 x 32768 pixels:
* wait for room in fifo for clipping cmd if needed.
* (fifo holds 256 32bit words: count those, not bytes) */
while (((NV_REG16(NV16_CLP_FIFOFREE)) >> 2) < 2)
{
/* snooze a bit so I do not hammer the bus */
snooze (10);
}
/* now setup clipping (writing 2 32bit words) */
ACCW(CLP_TOPLEFT, 0x00000000);
ACCW(CLP_WIDHEIGHT, 0x80008000);
return B_OK;
}
static void nv_init_for_3D(void)
{
/* setup PGRAPH unknown registers and modify (pre-cleared) pipe stuff for 3D use */
// if (si->ps.card_arch >= NV10A)
//if (si->ps.card_arch >= NV10A)
if (0)
{
/* setup unknown PGRAPH stuff */
@ -747,34 +785,185 @@ status_t nv_acc_init()
ACCW(PGWHAT_2A, 0x00000000);
/* setup window clipping */
//
/* b0-11 = min; b16-27 = max.
* note:
* probably two's complement values, so setting to max range here:
* which would be -2048 upto/including +2047. */
/* horizontal */
ACCW(WINCLIP_H_0, 0x07ff0800);
ACCW(WINCLIP_H_1, 0x07ff0800);
ACCW(WINCLIP_H_2, 0x07ff0800);
ACCW(WINCLIP_H_3, 0x07ff0800);
ACCW(WINCLIP_H_4, 0x07ff0800);
ACCW(WINCLIP_H_5, 0x07ff0800);
ACCW(WINCLIP_H_6, 0x07ff0800);
ACCW(WINCLIP_H_7, 0x07ff0800);
/* vertical */
ACCW(WINCLIP_V_0, 0x07ff0800);
ACCW(WINCLIP_V_1, 0x07ff0800);
ACCW(WINCLIP_V_2, 0x07ff0800);
ACCW(WINCLIP_V_3, 0x07ff0800);
ACCW(WINCLIP_V_4, 0x07ff0800);
ACCW(WINCLIP_V_5, 0x07ff0800);
ACCW(WINCLIP_V_6, 0x07ff0800);
ACCW(WINCLIP_V_7, 0x07ff0800);
/* setup (initialize) pipe */
/* set eyetype to local, lightning etc. is off */
ACCW(NV10_XFMOD0, 0x10000000);
/* disable all lights */
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);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEADR, 0x00006750);
ACCW(NV10_PIPEDAT, 0x40000000);
ACCW(NV10_PIPEDAT, 0x40000000);
ACCW(NV10_PIPEDAT, 0x40000000);
ACCW(NV10_PIPEDAT, 0x40000000);
ACCW(NV10_PIPEADR, 0x00006760);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00006770);
ACCW(NV10_PIPEDAT, 0xc5000000);
ACCW(NV10_PIPEDAT, 0xc5000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00006780);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x000067a0);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEADR, 0x00006ab0);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEADR, 0x00006ac0);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00006c10);
ACCW(NV10_PIPEDAT, 0xbf800000);
ACCW(NV10_PIPEADR, 0x00007030);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00007040);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00007050);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00007060);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00007070);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00007080);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00007090);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x000070a0);
ACCW(NV10_PIPEDAT, 0x7149f2ca);
ACCW(NV10_PIPEADR, 0x00006a80);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEADR, 0x00006aa0);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00000040);
ACCW(NV10_PIPEDAT, 0x00000005);
ACCW(NV10_PIPEADR, 0x00006400);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x4b7fffff);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00006410);
ACCW(NV10_PIPEDAT, 0xc5000000);
ACCW(NV10_PIPEDAT, 0xc5000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00006420);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x00006430);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x000064c0);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEDAT, 0x477fffff);
ACCW(NV10_PIPEDAT, 0x3f800000);
ACCW(NV10_PIPEADR, 0x000064d0);
ACCW(NV10_PIPEDAT, 0xc5000000);
ACCW(NV10_PIPEDAT, 0xc5000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x000064e0);
ACCW(NV10_PIPEDAT, 0xc4fff000);
ACCW(NV10_PIPEDAT, 0xc4fff000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEDAT, 0x00000000);
ACCW(NV10_PIPEADR, 0x000064f0);
ACCW(NV10_PIPEDAT, 0x00000000);
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 */
ACCW(NV10_XFMOD1, 0x00000004);
/* Z-buffer state is:
* initialized, set to: 'fixed point' (integer?); Z-buffer; 16bits depth */
/* note:
* other options possible are: floating point; 24bits depth; W-buffer(?) */
ACCW(GLOB_STAT_0, 0x10000000);
/* set DMA instance 2 and 3 to be invalid */
ACCW(GLOB_STAT_1, 0x00000000);
}
/*** setup acceleration engine command shortcuts (so via fifo) ***/
/* (b31 = 1 selects 'config' function?) */
ACCW(FIFO_00800000, 0x80000000); /* Raster OPeration */
ACCW(FIFO_00802000, 0x80000001); /* Clip */
ACCW(FIFO_00804000, 0x80000002); /* Pattern */
ACCW(FIFO_00806000, 0x80000010); /* Pixmap (not used or 3D only?) */
ACCW(FIFO_00808000, 0x80000011); /* Blit */
ACCW(FIFO_0080a000, 0x80000012); /* Bitmap */
ACCW(FIFO_0080c000, 0x80000016); /* Line (not used or 3D only?) */
ACCW(FIFO_0080e000, 0x80000014); /* Textured Triangle (3D only) */
/* do first actual acceleration engine command:
* setup clipping region (workspace size) to 32768 x 32768 pixels:
* wait for room in fifo for clipping cmd if needed.
* (fifo holds 256 32bit words: count those, not bytes) */
while (((NV_REG16(NV16_CLP_FIFOFREE)) >> 2) < 2)
{
/* snooze a bit so I do not hammer the bus */
snooze (10);
}
/* now setup clipping (writing 2 32bit words) */
ACCW(CLP_TOPLEFT, 0x00000000);
ACCW(CLP_WIDHEIGHT, 0x80008000);
return B_OK;
}
/* screen to screen blit - i.e. move windows around and scroll within them. */