diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv40_fragprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv40_fragprog.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv40_fragprog.c b/src/mesa/drivers/dri/nouveau/nv40_fragprog.c index 8bca6ae938..3e4ae0496e 100644 --- a/src/mesa/drivers/dri/nouveau/nv40_fragprog.c +++ b/src/mesa/drivers/dri/nouveau/nv40_fragprog.c @@ -11,6 +11,30 @@ struct _op_xlat NVFP_TX_BOP[64]; * - These extend the NV30 routines, which are almost identical. NV40 * just has branching hacked into the instruction set. */ +static int +NV40FPSupportsResultScale(nvsFunc *shader, nvsScale scale) +{ + switch (scale) { + case NVS_SCALE_1X: + case NVS_SCALE_2X: + case NVS_SCALE_4X: + case NVS_SCALE_8X: + case NVS_SCALE_INV_2X: + case NVS_SCALE_INV_4X: + case NVS_SCALE_INV_8X: + return 1; + default: + return 0; + } +} + +static void +NV40FPSetResultScale(nvsFunc *shader, nvsScale scale) +{ + shader->inst[2] &= ~NV40_FP_OP_DST_SCALE_MASK; + shader->inst[2] |= ((unsigned int)scale << NV40_FP_OP_DST_SCALE_SHIFT); +} + static void NV40FPSetBranchTarget(nvsFunc *shader, int addr) { @@ -179,6 +203,9 @@ NV40FPInitShaderFuncs(nvsFunc * shader) MOD_OPCODE(NVFP_TX_BOP, NV40_FP_OP_BRA_OPCODE_REP , NVS_OP_REP , -1, -1, -1); MOD_OPCODE(NVFP_TX_BOP, NV40_FP_OP_BRA_OPCODE_RET , NVS_OP_RET , -1, -1, -1); + shader->SupportsResultScale = NV40FPSupportsResultScale; + shader->SetResultScale = NV40FPSetResultScale; + /* fragment.facing */ shader->GetSourceID = NV40FPGetSourceID; |