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modified shared_info for mainmem DMA command buffer use.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12834 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2005-05-26 09:31:12 +00:00
parent 8d87804ed6
commit 9c9a94038a
1 changed files with 5 additions and 7 deletions
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headers/private/graphics/nvidia/DriverInterface.h
+5 -7
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@@ -145,16 +145,14 @@ typedef struct {
space. */
area_id fb_area; /* Frame buffer's area_id. The addresses are shared with all teams. */
area_id pseudo_dma_area; /* Pseudo dma area_id. Shared by all teams. */
area_id dma_buffer_area; /* Area assigned for dma*/
area_id dma_buffer_area; /* Area assigned for DMA. It will be cloned into the accelerant's
address space.*/
void *framebuffer; /* As viewed from virtual memory */
void *framebuffer_pci; /* As viewed from the PCI bus (for DMA) */
void *pseudo_dma; /* As viewed from virtual memory */
void *dma_buffer; /* buffer for dma*/
void *dma_buffer_pci; /* buffer for dma - from PCI bus*/
void *dma_buffer; /* As viewed from virtual memory */
void *dma_buffer_pci; /* As viewed from the PCI bus */
/*screenmode list*/
area_id mode_area; /* Contains the list of display modes the driver supports */
@@ -200,7 +198,7 @@ typedef struct {
uint32 ch_ptr[0x20]; /* cmd handle's ptr to it's assigned FIFO ch (if any) */
} fifo;
struct {
uint32 *cmdbuffer; /* location of DMA command buffer */
uint32 *cmdbuffer; /* (physical) location of DMA command buffer */
uint32 put; /* last 32-bit-word adress given to engine to exec. to */
uint32 current; /* first free 32-bit-word adress in buffer */
uint32 free; /* nr. of useable free 32-bit words remaining in buffer */