diff options
| author | Jerome Glisse <glisse@freedesktop.org> | 2006-11-01 11:58:16 +0000 |
|---|---|---|
| committer | Jerome Glisse <glisse@freedesktop.org> | 2006-11-01 11:58:16 +0000 |
| commit | 3c6e99ce95bdee526f95ce8aaadd0c8923b83af0 (patch) | |
| tree | e5ba826a40e2b7d2eceec9f99bbc9f18e4524d5a | |
| parent | fd60b2d5368e3385c1ba70c6d5d122b10ff20646 (diff) | |
Add CMPH instruction to fragprog
CMPH a0, a1, a2 -> if a2 > 0.5 return a1 else return a0
Guessed by examinating LIT instruction handling of FGLRX.
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_reg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index f3d8fa60f5..9f636ec1d2 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -1001,6 +1001,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. * - DP4: Use OUTC_DP4, OUTA_DP4 * - DP3: Use OUTC_DP3, OUTA_DP4, appropriate alpha operands * - DPH: Use OUTC_DP4, OUTA_DP4, appropriate alpha operands + * - CMPH: If ARG2 > 0.5, return ARG0, else return ARG1 * - CMP: If ARG2 < 0, return ARG1, else return ARG0 * - FLR: use FRC+MAD * - XPD: use MAD+MAD @@ -1138,6 +1139,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. # define R300_FPI0_OUTC_DP4 (2 << 23) # define R300_FPI0_OUTC_MIN (4 << 23) # define R300_FPI0_OUTC_MAX (5 << 23) +# define R300_FPI0_OUTC_CMPH (7 << 23) # define R300_FPI0_OUTC_CMP (8 << 23) # define R300_FPI0_OUTC_FRC (9 << 23) # define R300_FPI0_OUTC_REPL_ALPHA (10 << 23) |