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fixed overlay bitmap DMA adress, fixed overlay in 15 bit mode (NV11). nVidia hardware is broken here :-/. Anyway, it works now.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11092 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2005-01-27 14:32:45 +00:00
parent fee251bc01
commit 4e05353d7f
2 changed files with 11 additions and 11 deletions
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5
src/add-ons/accelerants/nvidia/Overlay.c
View File

@ -294,6 +294,11 @@ const overlay_buffer *ALLOCATE_OVERLAY_BUFFER(color_space cs, uint16 width, uint
/* calculate physical memory adress (for dma use) */
adress = (((uint32)((uint8*)si->framebuffer_pci)) + si->ps.memory_size);
/* don't touch the DMA acceleration engine command buffer if it exists */
/* note:
* the buffer is 32kB in size. Keep a distance of another 32kB for safety. */
if (si->settings.dma_acc) adress -= (64 * 1024);
for (cnt = 0; cnt <= offset; cnt++)
{
adress -= si->overlay.myBufInfo[cnt].size;

17
src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
View File

@ -745,20 +745,12 @@ status_t nv_acc_init_dma()
bitm_depth = 0x00000003;
break;
case B_RGB15_LITTLE:
surf_depth = 0x00000004;
patt_depth = 0x00000001;
//fixme: needed for NV11, checkout the rest!
if (si->ps.card_arch < NV40A)
bitm_depth = 0x00000002;
else
bitm_depth = 0x00000001;
break;
case B_RGB16_LITTLE:
surf_depth = 0x00000004;
patt_depth = 0x00000001;
//fixme: needed for NV11, checkout the rest!
if (si->ps.card_arch < NV40A)
bitm_depth = 0x00000003;
bitm_depth = 0x00000003; /* sets bitmap input depth to broken 32-bit.. */
else
bitm_depth = 0x00000001;
break;
@ -1118,9 +1110,12 @@ status_t nv_acc_setup_rectangle_dma(uint32 color)
switch(si->dm.space)
{
case B_RGB15_LITTLE:
/* unbelievable, isn't it? */
si->engine.dma.cmdbuffer[si->engine.dma.current++] =
(((color & 0x0000f800) >> 1) | ((color & 0x000007c0) >> 1) |
(color & 0x0000001f)); /* Color1A */
(((color & 0x00007800) << 8) | /* (red b1-5: broken hardware) */
((color & 0x00000400) << 5) | /* (red b0: broken hardware) */
((color & 0x000003e0) << 5) | /* (green: broken hardware) */
((color & 0x0000001f) << 3)); /* Color1A */
break;
case B_RGB16_LITTLE:
si->engine.dma.cmdbuffer[si->engine.dma.current++] =