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[r300] document VAP_CNTL based on AMD spec

This commit is contained in:
Christoph Brill 2008-02-25 19:50:05 +01:00
parent 059aca86ba
commit 091225eebb
1 changed files with 26 additions and 0 deletions
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26
src/mesa/drivers/dri/r300/r300_reg.h
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@ -148,11 +148,37 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/* gap */
/** Vertex assembler/processor control status */
#define R300_VAP_CNTL_STATUS 0x2140
/* No swap at all (default) */
# define R300_VC_NO_SWAP (0 << 0)
/* 16-bit swap: 0xAABBCCDD becomes 0xBBAADDCC */
# define R300_VC_16BIT_SWAP (1 << 0)
/* 32-bit swap: 0xAABBCCDD becomes 0xDDCCBBAA */
# define R300_VC_32BIT_SWAP (2 << 0)
/* Half-dword swap: 0xAABBCCDD becomes 0xCCDDAABB */
# define R300_VC_HALF_DWORD_SWAP (3 << 0)
/* The TCL engine will not be used (as it is logically or even physically removed) */
# define R300_VAP_TCL_BYPASS (1 << 8)
/* Read only flag if TCL engine is busy. */
# define R300_VAP_PVS_BUSY (1 << 11)
/* TODO: gap for MAX_MPS */
/* Read only flag if the vertex store is busy. */
# define R300_VAP_VS_BUSY (1 << 24)
/* Read only flag if the reciprocal engine is busy. */
# define R300_VAP_RCP_BUSY (1 << 25)
/* Read only flag if the viewport transform engine is busy. */
# define R300_VAP_VTE_BUSY (1 << 26)
/* Read only flag if the memory interface unit is busy. */
# define R300_VAP_MUI_BUSY (1 << 27)
/* Read only flag if the vertex cache is busy. */
# define R300_VAP_VC_BUSY (1 << 28)
/* Read only flag if the vertex fetcher is busy. */
# define R300_VAP_VF_BUSY (1 << 29)
/* Read only flag if the register pipeline is busy. */
# define R300_VAP_REGPIPE_BUSY (1 << 30)
/* Read only flag if the VAP engine is busy. */
# define R300_VAP_VAP_BUSY (1 << 31)
/* gap */