diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_chipset.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_chipset.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/gallium/drivers/r300/r300_chipset.h b/src/gallium/drivers/r300/r300_chipset.h index f2035d2009..0be161fa07 100644 --- a/src/gallium/drivers/r300/r300_chipset.h +++ b/src/gallium/drivers/r300/r300_chipset.h @@ -33,6 +33,13 @@ #define PIPE_ZMASK_SIZE 4096 #define RV3xx_ZMASK_SIZE 5120 +/* The size of a compressed tile. Each compressed tile takes 2 bits + * in the ZMASK RAM, so there is always 16 tiles per one dword. */ +enum r300_zmask_compression { + R300_ZCOMP_4X4 = 4, + R300_ZCOMP_8X8 = 8 +}; + /* Structure containing all the possible information about a specific Radeon * in the R3xx, R4xx, and R5xx families. */ struct r300_capabilities { @@ -50,10 +57,12 @@ struct r300_capabilities { unsigned num_tex_units; /* Whether or not TCL is physically present */ boolean has_tcl; - /* Some chipsets do not have HiZ RAM - other have varying amounts . */ + /* Some chipsets do not have HiZ RAM - other have varying amounts. */ int hiz_ram; - /* some chipsets have zmask ram per pipe some don't */ + /* Some chipsets have zmask ram per pipe some don't. */ int zmask_ram; + /* Compression mode for ZMASK. */ + enum r300_zmask_compression z_compress; /* Whether or not this is RV350 or newer, including all r400 and r500 * chipsets. The differences compared to the oldest r300 chips are: * - Blend LTE/GTE thresholds |