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added updated acc engine constraints for DMA use (mode validation). Version of driver is now 0.36.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11301 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2005-02-09 20:24:26 +00:00
parent c59cdc87d9
commit 306bf14447
1 changed files with 30 additions and 29 deletions
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src/add-ons/accelerants/nvidia/engine/nv_general.c
+30 -29
View File
@@ -1,7 +1,7 @@
/* Authors:
Mark Watson 12/1999,
Apsed,
Rudolf Cornelissen 10/2002-1/2005
Rudolf Cornelissen 10/2002-2/2005
*/
#define MODULE_BIT 0x00008000
@@ -90,7 +90,7 @@ status_t nv_general_powerup()
{
status_t status;
LOG(1,("POWERUP: Haiku nVidia Accelerant 0.35 running.\n"));
LOG(1,("POWERUP: Haiku nVidia Accelerant 0.36 running.\n"));
/* preset no laptop */
si->ps.laptop = false;
@@ -1281,12 +1281,19 @@ status_t nv_general_validate_pic_size (display_mode *target, uint32 *bytes_per_r
uint32 max_crtc_width, max_acc_width;
uint8 depth = 8;
/* determine pixel multiple based on 2D/3D engine constraints */
/* determine pixel multiple based on acceleration engine constraints */
/* note:
* because of the seemingly 'random' variations in these constraints we take
* a reasonable 'lowest common denominator' instead of always true constraints. */
switch (si->ps.card_arch)
{
default:
case NV04A:
/* confirmed for:
* TNT1, TNT2, TNT2-M64, GeForce2 MX400, GeForce4 MX440, GeForceFX 5200 */
* TNT1 (NV04), TNT2 (NV05), TNT2-M64 (NV05M64), GeForce2 MX400 (NV11),
* GeForce4 MX440 (NV18), GeForceFX 5200 (NV34) in PIO acc mode;
* confirmed for:
* TNT1 (NV04), TNT2 (NV05), TNT2-M64 (NV05M64), GeForce4 Ti4200 (NV28),
* GeForceFX 5200 (NV34) in DMA acc mode. */
switch (target->space)
{
case B_CMAP8: acc_mask = 0x0f; depth = 8; break;
@@ -1298,12 +1305,13 @@ status_t nv_general_validate_pic_size (display_mode *target, uint32 *bytes_per_r
LOG(8,("INIT: unknown color space: 0x%08x\n", target->space));
return B_ERROR;
}
/* NV31 (confirmed GeForceFX 5600) has NV20A granularity!
* So let it fall through... */
if (si->ps.card_type != NV31) break;
case NV20A:
break;
default:
/* confirmed for:
* GeForce4 Ti4200 */
* GeForce4 Ti4200 (NV28), GeForceFX 5600 (NV31) in PIO acc mode;
* confirmed for:
* GeForce2 MX400 (NV11), GeForce4 MX440 (NV18), GeForcePCX 5750 (NV36),
* GeForcePCX 6600 GT (NV43) in DMA acc mode. */
switch (target->space)
{
case B_CMAP8: acc_mask = 0x3f; depth = 8; break;
@@ -1370,11 +1378,14 @@ status_t nv_general_validate_pic_size (display_mode *target, uint32 *bytes_per_r
*/ }
/* set virtual_width limit for accelerated modes */
/* note:
* because of the seemingly 'random' variations in these constraints we take
* a reasonable 'lowest common denominator' instead of always true constraints. */
switch (si->ps.card_arch)
{
case NV04A:
/* confirmed for:
* TNT1, TNT2, TNT2-M64 */
* TNT1 (NV04), TNT2 (NV05), TNT2-M64 (NV05M64) in both PIO and DMA acc mode. */
switch(target->space)
{
case B_CMAP8: max_acc_width = 8176; break;
@@ -1389,24 +1400,14 @@ status_t nv_general_validate_pic_size (display_mode *target, uint32 *bytes_per_r
break;
default:
/* confirmed for:
* GeForce2 MX400, GeForce4 MX440, GeForceFX 5200 */
switch(target->space)
{
case B_CMAP8: max_acc_width = 16368; break;
case B_RGB15: max_acc_width = 8184; break;
case B_RGB16: max_acc_width = 8184; break;
case B_RGB24: max_acc_width = 5456; break;
case B_RGB32: max_acc_width = 4092; break;
default:
LOG(8,("INIT: unknown color space: 0x%08x\n", target->space));
return B_ERROR;
}
/* NV31 (confirmed GeForceFX 5600) has NV20A granularity!
* So let it fall through... */
if (si->ps.card_type != NV31) break;
case NV20A:
/* confirmed for:
* GeForce4 Ti4200 */
* GeForce4 Ti4200 (NV28), GeForceFX 5600 (NV31) in PIO acc mode;
* GeForce2 MX400 (NV11), GeForce4 MX440 (NV18), GeForceFX 5200 (NV34) can do
* 16368/8184/8184/5456/4092, so a bit better in PIO acc mode;
* confirmed for:
* GeForce2 MX400 (NV11), GeForce4 MX440 (NV18), GeForcePCX 5750 (NV36),
* GeForcePCX 6600 GT (NV43) in DMA acc mode;
* GeForce4 Ti4200 (NV28), GeForceFX 5200 (NV34) can do
* 16368/8184/8184/5456/4092, so a bit better in DMA acc mode. */
switch(target->space)
{
case B_CMAP8: max_acc_width = 16320; break;