Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

corrected scaled_filtered_blit setup according to test results with a node. Now it correctly works for a 'number of source-widths': tested 320 and 640 pixels source bitmaps. This source-width thing is still under test..

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15613 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2005-12-20 15:26:36 +00:00
parent 700b38edc4
commit a06a87b98c
1 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
View File

@ -1874,28 +1874,27 @@ void SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT_DMA(engine_token *et, scaled_blit_par
{
/* now setup blit (writing 12 32bit words) */
nv_acc_cmd_dma(NV_SCALED_IMAGE_FROM_MEMORY, NV_SCALED_IMAGE_FROM_MEMORY_SOURCEORG, 6);
/* setup source clipping ref for blit (not used) (b0-15 = left, b16-31 = top) */
/* setup dest clipping ref for blit (not used) (b0-15 = left, b16-31 = top) */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] = 0; /* SourceOrg */
/* setup source size for blit */
/* setup dest clipping size for blit */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((((list[i].src_height) + 1) << 16) | ((list[i].src_width) + 1)); /* SourceHeightWidth */
(((list[i].dest_height + 1) << 16) | (list[i].dest_width + 1)); /* SourceHeightWidth */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
/* setup destination location and size for blit */
(((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 */
(((list[i].dest_height + 1) << 16) | (list[i].dest_width + 1)); /* DestHeightWidth */
//fixme: findout scaling limits... (although the current cmd interface doesn't support them.)
//fixme: checkout dest bitmap borders for 'faults': correct scaling if needed...
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((list[i].src_width << 20) / list[i].dest_width); /* HorInvScale (in 12.20 format) */
(((list[i].src_width + 1) << 20) / (list[i].dest_width + 1)); /* HorInvScale (in 12.20 format) */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((list[i].src_height << 20) / list[i].dest_height); /* VerInvScale (in 12.20 format) */
(((list[i].src_height + 1) << 20) / (list[i].dest_height + 1)); /* VerInvScale (in 12.20 format) */
nv_acc_cmd_dma(NV_SCALED_IMAGE_FROM_MEMORY, NV_SCALED_IMAGE_FROM_MEMORY_SOURCESIZE, 4);
/* setup source size including needed slopspace */
//fixme: checkout constraints and update code...
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =
((((list[i].src_height) + 1) << 16) | ((list[i].src_width) + 1)); /* SourceHeightWidth */
(((list[i].src_height + 1) << 16) | (list[i].src_width + 1)); /* SourceHeightWidth */
/* setup source pitch (b0-15). Set 'format origin center' (b16-17) and
* select 'format interpolator foh (bilinear filtering)' (b24). */
((uint32*)(si->dma_buffer))[si->engine.dma.current++] =