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added shared_info flag to inform 3D add-on to reload it's rendering state, further improving 3D rendering speed: Quake2 is at 105fps (GF4MX440, 640x480x16), Teapot renders at close to 500fps now. Bumped version to 0.52.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13169 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2005-06-16 10:00:16 +00:00
parent 5d914f565f
commit b7c592306b
3 changed files with 8 additions and 12 deletions
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5
src/add-ons/accelerants/nvidia/InitAccelerant.c
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@ -4,7 +4,7 @@
Other authors:
Mark Watson,
Rudolf Cornelissen 10/2002-5/2005.
Rudolf Cornelissen 10/2002-6/2005.
*/
#define MODULE_BIT 0x00800000
@ -161,6 +161,8 @@ status_t INIT_ACCELERANT(int the_fd) {
/* count of issued parameters or commands */
si->engine.last_idle = si->engine.count = 0;
/* tell a 3D add-on that it should reload it's state */
si->engine.reload_state_3D = true;
INIT_BEN(si->engine.lock);
INIT_BEN(si->overlay.lock);
@ -170,6 +172,7 @@ status_t INIT_ACCELERANT(int the_fd) {
si->overlay.myBuffer[cnt].buffer = NULL;
si->overlay.myBuffer[cnt].buffer_dma = NULL;
}
/* make sure overlay unit is 'marked' as being free */
si->overlay.myToken = NULL;

13
src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
View File

@ -1500,13 +1500,6 @@ static void nv_acc_set_ch_dma(uint16 ch, uint32 handle)
si->engine.dma.free -= 2;
}
/* fixme? (check this out..)
* Looks like this stuff can be very much simplified and speed-up, as it seems it's not
* nessesary to wait for the engine to become idle before re-assigning channels.
* Because the cmd handles are actually programmed _inside_ the fifo channels, it might
* well be that the assignment is buffered along with the commands that still have to
* be executed!
* (sounds very plausible to me :) */
void nv_acc_assert_fifo_dma(void)
{
/* does every engine cmd this accelerant needs have a FIFO channel? */
@ -1520,9 +1513,6 @@ void nv_acc_assert_fifo_dma(void)
{
uint16 cnt;
/* no, wait until the engine is idle before re-assigning the FIFO */
nv_acc_wait_idle_dma();
/* free the FIFO channels we want from the currently assigned cmd's */
si->engine.fifo.ch_ptr[si->engine.fifo.handle[0]] = 0;
si->engine.fifo.ch_ptr[si->engine.fifo.handle[1]] = 0;
@ -1568,6 +1558,9 @@ void nv_acc_assert_fifo_dma(void)
/* tell the engine to fetch and execute all (new) commands in the DMA buffer */
nv_start_dma();
}
/* the 3D add-on needs to reload the rendering state: issuing 2D cmds kills it! */
si->engine.reload_state_3D = true;
}
/*

2
src/add-ons/accelerants/nvidia/engine/nv_general.c
View File

@ -90,7 +90,7 @@ status_t nv_general_powerup()
{
status_t status;
LOG(1,("POWERUP: Haiku nVidia Accelerant 0.51 running.\n"));
LOG(1,("POWERUP: Haiku nVidia Accelerant 0.52 running.\n"));
/* preset no laptop */
si->ps.laptop = false;