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more stuff for SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT function. Not yet complete though.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15536 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2005-12-14 18:37:02 +00:00
parent e0e9a3e69f
commit 9af6e789da
2 changed files with 67 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/add-ons/accelerants/nvidia/GetAccelerantHook.c
+7 -1
View File
@@ -4,7 +4,7 @@
Other authors:
Mark Watson,
Rudolf Cornelissen 10/2002-11/2005
Rudolf Cornelissen 10/2002-12/2005
*/
#define MODULE_BIT 0x08000000
@@ -212,6 +212,12 @@ status_t check_acc_capability(uint32 feature)
break;
case B_SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT:
msg = "B_SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT";
/* this function is only defined for DMA acceleration */
if (!si->settings.dma_acc)
{
LOG(4, ("Acc: Not exporting hook %s.\n", msg));
return B_ERROR;
}
break;
default:
msg = "UNKNOWN";
src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
+60 -1
View File
@@ -1767,6 +1767,8 @@ void SCREEN_TO_SCREEN_BLIT_DMA(engine_token *et, blit_params *list, uint32 count
//fixme? checkout NV5 and NV10 version of cmd: faster?? (or is 0x77 a 'autoselect' version?)
void SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT_DMA(engine_token *et, scaled_blit_params *list, uint32 count)
{
uint32 i = 0;
uint16 subcnt;
uint32 cmd_depth;
/*** init acc engine for scaled filtered blit function ***/
@@ -1820,7 +1822,64 @@ void SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT_DMA(engine_token *et, scaled_blit_par
/* TNT1 has fixed operation mode SRCcopy */
}
//fixme: implement actual blit..
/* now setup fill color (writing 2 32bit words) */
nv_acc_cmd_dma(NV4_GDI_RECTANGLE_TEXT, NV4_GDI_RECTANGLE_TEXT_COLOR1A, 1);
((uint32*)(si->dma_buffer))[si->engine.dma.current++] = 0x00000000; /* Color1A */
/*** do each blit ***/
/* Note:
* blit-copy direction is determined inside nvidia hardware: no setup needed */
while (count)
{
/* break up the list in sublists to minimize calls, while making sure long
* lists still get executed without trouble */
subcnt = 16;
if (count < 16) subcnt = count;
count -= subcnt;
/* wait for room in fifo for blit cmd if needed. */
if (nv_acc_fifofree_dma(12 * subcnt) != B_OK) return;
while (subcnt--)
{
/* now setup blit (writing 12 32bit words) */
nv_acc_cmd_dma(NV_SCALED_IMAGE_FROM_MEMORY, NV_SCALED_IMAGE_FROM_MEMORY_SOURCEORG, 6);
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
(((list[i].src_top) << 16) | (list[i].src_left)); /* SourceOrg */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((((list[i].src_height) + 1) << 16) | ((list[i].src_width) + 1)); /* SourceHeightWidth */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
(((list[i].dest_top) << 16) | (list[i].dest_left)); /* DestOrg */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((((list[i].dest_height) + 1) << 16) | ((list[i].dest_width) + 1)); /* DestHeightWidth */
//fixme: setup:
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
0; /* DeltaDuDx (in 12.20 format) */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
0; /* Delta_Dv_Dy (in 12.20 format) */
nv_acc_cmd_dma(NV_SCALED_IMAGE_FROM_MEMORY, NV_SCALED_IMAGE_FROM_MEMORY_SIZE, 4);
//fixme: checkout:
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((((list[i].src_height) + 1) << 16) | ((list[i].src_width) + 1)); /* SizeHeightWidth */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
si->fbc.bytes_per_row; /* Pitch */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((uint8*)si->fbc.frame_buffer - (uint8*)si->framebuffer); /* Offset */
//fixme: setup:
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
0; /* PointUV (U in 12.4 format, V in 4.12 format) */
i++;
}
/* tell the engine to fetch the commands in the DMA buffer that where not
* executed before. */
nv_start_dma();
}
/* tell 3D add-ons that they should reload their rendering states and surfaces */
si->engine.threeD.reload = 0xffffffff;
}
/* rectangle fill - i.e. workspace and window background color */