[Mesa-dev] [PATCH 1/2] gallium/drivers: handle TGSI_OPCODE_CEIL

[Christoph Bumiller]

---
 src/gallium/drivers/i915/i915_fpc_translate.c |   16 ++++++++++++++++
 src/gallium/drivers/nv30/nvfx_fragprog.c      |    4 ++++
 src/gallium/drivers/nv30/nvfx_vertprog.c      |    4 ++++
 3 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/i915/i915_fpc_translate.c b/src/gallium/drivers/i915/i915_fpc_translate.c
index 94c0c69..def9a03 100644
--- a/src/gallium/drivers/i915/i915_fpc_translate.c
+++ b/src/gallium/drivers/i915/i915_fpc_translate.c
@@ -512,6 +512,22 @@ i915_translate_instruction(struct i915_fp_compile *p,
       emit_simple_arith(p, inst, A0_ADD, 2, fs);
       break;
 
+   case TGSI_OPCODE_CEIL:
+      src0 = src_vector(p, &inst->Src[0], fs);
+      tmp = i915_get_utemp(p);
+      flags = get_result_flags(inst);
+      i915_emit_arith(p,
+                      A0_FLR,
+                      tmp,
+                      flags & A0_DEST_CHANNEL_ALL, 0,
+                      negate(src0, 1, 1, 1, 1), 0, 0);
+      i915_emit_arith(p,
+                      A0_MOV,
+                      get_result_vector(p, &inst->Dst[0]),
+                      flags, 0,
+                      negate(tmp, 1, 1, 1, 1), 0, 0);
+      break;
+
    case TGSI_OPCODE_CMP:
       src0 = src_vector(p, &inst->Src[0], fs);
       src1 = src_vector(p, &inst->Src[1], fs);
diff --git a/src/gallium/drivers/nv30/nvfx_fragprog.c b/src/gallium/drivers/nv30/nvfx_fragprog.c
index e562b45..b057c98 100644
--- a/src/gallium/drivers/nv30/nvfx_fragprog.c
+++ b/src/gallium/drivers/nv30/nvfx_fragprog.c
@@ -535,6 +535,10 @@ nvfx_fragprog_parse_instruction(struct nv30_context* nvfx, struct nvfx_fpc *fpc,
    case TGSI_OPCODE_ADD:
       nvfx_fp_emit(fpc, arith(sat, ADD, dst, mask, src[0], src[1], none));
       break;
+   case TGSI_OPCODE_CEIL:
+      nvfx_fp_emit(fpc, arith(0, FLR, tmp.reg, mask, neg(src[0]), none, none));
+      nvfx_fp_emit(fpc, arith(sat, MOV, dst, mask, neg(tmp), none, none));
+      break;
    case TGSI_OPCODE_CMP:
       insn = arith(0, MOV, none.reg, mask, src[0], none, none);
       insn.cc_update = 1;
diff --git a/src/gallium/drivers/nv30/nvfx_vertprog.c b/src/gallium/drivers/nv30/nvfx_vertprog.c
index d7eb9fb..967679a 100644
--- a/src/gallium/drivers/nv30/nvfx_vertprog.c
+++ b/src/gallium/drivers/nv30/nvfx_vertprog.c
@@ -550,6 +550,10 @@ nvfx_vertprog_parse_instruction(struct nv30_context *nv30, struct nvfx_vpc *vpc,
    case TGSI_OPCODE_ARL:
       nvfx_vp_emit(vpc, arith(0, VEC, ARL, dst, mask, src[0], none, none));
       break;
+   case TGSI_OPCODE_CEIL:
+      nvfx_vp_emit(vpc, arith(0, VEC, FLR, tmp.reg, mask, neg(src[0]), none, none));
+      nvfx_vp_emit(vpc, arith(sat, VEC, MOV, dst, mask, neg(tmp), none, none));
+      break;
    case TGSI_OPCODE_CMP:
       insn = arith(0, VEC, MOV, none.reg, mask, src[0], none, none);
       insn.cc_update = 1;
-- 
1.7.3.4