diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_reg.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_reg.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_reg.h b/src/gallium/drivers/r300/r300_reg.h index 1c2b2528877..0d6b7654f30 100644 --- a/src/gallium/drivers/r300/r300_reg.h +++ b/src/gallium/drivers/r300/r300_reg.h @@ -1556,6 +1556,26 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. # define R300_TX_FORMAT_32F_32F 0x1C # define R300_TX_FORMAT_32F_32F_32F_32F 0x1D # define R300_TX_FORMAT_W24_FP 0x1E +# define R400_TX_FORMAT_ATI2N 0x1F + +/* These need TX_FORMAT2_[0-15].TXFORMAT_MSB set. + + My guess is the 10-bit formats are the 8-bit ones but with filtering being + performed with the precision of 10 bits per channel. This makes sense + with sRGB textures since the conversion to linear space reduces the precision + significantly so the shader gets approximately the 8-bit precision + in the end. It might also improve the quality of HDR rendering where + high-precision filtering is desirable. + + Again, this is guessed, the formats might mean something entirely else. + The others should be fine. */ +# define R500_TX_FORMAT_X1 0x0 +# define R500_TX_FORMAT_X1_REV 0x1 +# define R500_TX_FORMAT_X10 0x2 +# define R500_TX_FORMAT_Y10X10 0x3 +# define R500_TX_FORMAT_W10Z10Y10X10 0x4 +# define R500_TX_FORMAT_ATI1N 0x5 + # define R300_TX_FORMAT_SIGNED_W (1 << 5) # define R300_TX_FORMAT_SIGNED_Z (1 << 6) |