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added/modified shared_info to (better) support upto 32 3D accelants. Needs to be improved/expanded later though.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13212 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2005-06-19 15:11:42 +00:00
parent 0abb62cbf8
commit fad6f70b5d
1 changed files with 7 additions and 16 deletions
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23
headers/private/graphics/nvidia/DriverInterface.h
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@ -205,25 +205,16 @@ typedef struct {
} dma;
bool agp_mode; /* card is running in AGP mode */
struct {
/* number of active 3D accelerant 'clones' */
uint8 clones;
/* instruct 3D accelerants to reload their render states (a bit per clone) */
uint32 reload_state_3D;
uint32 clones; /* clone 'number' (mask, slot) (one bit per clone) */
uint32 reload; /* reload state and surfaces (one bit per clone) */
uint32 newmode; /* re-allocate all buffers (one bit per clone) */
//fixme: memory stuff needs to be expanded (shared texture allocation?)
uint32 mem_low; /* ptr to first free mem adress: cardmem local offset */
uint32 mem_high; /* ptr to last free mem adress: cardmem local offset */
bool mode_changing; /* a mode-change is in progress (set/clear by 2D drv) */
} threeD;
} engine;
/* fixme:
* the stuff below has to be extended and/or changed I guess:
* for now only a single 3D 'clone' driver is supported. */
/* pointers to first and last free memory adress for 3D use: cardmem local offsets */
uint32 mem_low;
uint32 mem_high;
/* flag to inform 3D add-on to stop rendering (set by 2D, reset by 3D drv) */
bool mode_changed;
/* flag to inform 3D add-on a mode-change is currently in progress
* (set and reset by 2D drv) */
bool mode_changing;
/* card info - information gathered from PINS (and other sources) */
enum
{ // card_type in order of date of NV chip design