diff options
| author | Juan A. Suarez Romero <jasuarez@igalia.com> | 2017-06-08 11:03:42 +0000 |
|---|---|---|
| committer | Juan A. Suarez Romero <jasuarez@igalia.com> | 2017-06-27 12:01:11 +0200 |
| commit | b5ae17fe59b5f303f2aa42608474ad37ffdf3971 (patch) | |
| tree | 6b034f0fd9128449892a7effc915b24eb6f48be6 /src/compiler | |
| parent | 4195a9450bde927256063da47488aafbd86bfffe (diff) | |
nir: add support for 64-bit in SmoothStep function
According to GLSL.std.450 spec, SmoothStep expects input to be a
floating-point type, but it does not restrict the bitsize.
Current implementation relies on inputs to be 32-bit.
This commit extends the support to 64-bit size inputs.
Reviewed by: Elie Tournier <elie.tournier@collabora.com>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/spirv/vtn_glsl450.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/compiler/spirv/vtn_glsl450.c b/src/compiler/spirv/vtn_glsl450.c index 5d384319e00..96e3407dee5 100644 --- a/src/compiler/spirv/vtn_glsl450.c +++ b/src/compiler/spirv/vtn_glsl450.c @@ -465,6 +465,8 @@ vtn_nir_alu_op_for_spirv_glsl_opcode(enum GLSLstd450 opcode) } } +#define NIR_IMM_FP(n, v) (src[0]->bit_size == 64 ? nir_imm_double(n, v) : nir_imm_float(n, v)) + static void handle_glsl450_alu(struct vtn_builder *b, enum GLSLstd450 entrypoint, const uint32_t *w, unsigned count) @@ -560,12 +562,12 @@ handle_glsl450_alu(struct vtn_builder *b, enum GLSLstd450 entrypoint, nir_ssa_def *t = build_fclamp(nb, nir_fdiv(nb, nir_fsub(nb, src[2], src[0]), nir_fsub(nb, src[1], src[0])), - nir_imm_float(nb, 0.0), nir_imm_float(nb, 1.0)); + NIR_IMM_FP(nb, 0.0), NIR_IMM_FP(nb, 1.0)); /* result = t * t * (3 - 2 * t) */ val->ssa->def = nir_fmul(nb, t, nir_fmul(nb, t, - nir_fsub(nb, nir_imm_float(nb, 3.0), - nir_fmul(nb, nir_imm_float(nb, 2.0), t)))); + nir_fsub(nb, NIR_IMM_FP(nb, 3.0), + nir_fmul(nb, NIR_IMM_FP(nb, 2.0), t)))); return; } |