diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_fragprog.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c index 3101bd1700..4a2e6209d0 100644 --- a/src/mesa/drivers/dri/i915/i915_fragprog.c +++ b/src/mesa/drivers/dri/i915/i915_fragprog.c @@ -983,6 +983,41 @@ upload_program(struct i915_fragment_program *p) 0); break; + case OPCODE_SSG: + dst = get_result_vector(p, inst); + flags = get_result_flags(inst); + src0 = src_vector(p, &inst->SrcReg[0], program); + tmp = i915_get_utemp(p); + + /* tmp = (src < 0.0) */ + i915_emit_arith(p, + A0_SLT, + tmp, + flags, 0, + src0, + swizzle(src0, ZERO, ZERO, ZERO, ZERO), + 0); + + /* dst = (0.0 < src) */ + i915_emit_arith(p, + A0_SLT, + dst, + flags, 0, + swizzle(src0, ZERO, ZERO, ZERO, ZERO), + src0, + 0); + + /* dst = (src > 0.0) - (src < 0.0) */ + i915_emit_arith(p, + A0_ADD, + dst, + flags, 0, + dst, + negate(tmp, 1, 1, 1, 1), + 0); + + break; + case OPCODE_SUB: src0 = src_vector(p, &inst->SrcReg[0], program); src1 = src_vector(p, &inst->SrcReg[1], program); |