diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_reg.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_reg.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_reg.h b/src/gallium/drivers/r300/r300_reg.h index c783998c78..180560175a 100644 --- a/src/gallium/drivers/r300/r300_reg.h +++ b/src/gallium/drivers/r300/r300_reg.h @@ -2673,6 +2673,24 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. /* Z Buffer Clear Value */ #define R300_ZB_DEPTHCLEARVALUE 0x4f28 +/* Z Mask RAM is a Z compression buffer. + * Each dword of the Z Mask contains compression info for 16 4x4 pixel blocks, + * that is 2 bits for each block. + * On chips with 2 Z pipes, every other dword maps to a different pipe. + */ + +/* The dword offset into Z mask RAM (bits 18:4) */ +#define R300_ZB_ZMASK_OFFSET 0x4f30 + +/* Z Mask Pitch. */ +#define R300_ZB_ZMASK_PITCH 0x4f34 + +/* Access to Z Mask RAM in a manner similar to HiZ RAM. + * The indices are autoincrementing. */ +#define R300_ZB_ZMASK_WRINDEX 0x4f38 +#define R300_ZB_ZMASK_DWORD 0x4f3c +#define R300_ZB_ZMASK_RDINDEX 0x4f40 + /* Hierarchical Z Memory Offset */ #define R300_ZB_HIZ_OFFSET 0x4f44 |