diff options
| author | Eric Anholt <eric@anholt.net> | 2014-09-30 14:19:25 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2014-10-01 17:03:35 -0700 |
| commit | 1bf2d17a60d112c7ca8da7ab0b539991df96a93d (patch) | |
| tree | 128ce72704bb02b8434e587823ac9077dafcfaf2 | |
| parent | 0c8c7d32f0e7ab691225e9630fc2ff20a25c0175 (diff) | |
vc4: Add support for TGSI_OPCODE_CLAMP.
This will be used by the shared LIT lowering code.
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 6dc42ac3e32..804a1dc2097 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -812,6 +812,17 @@ tgsi_to_qir_cos(struct vc4_compile *c, return sum; } +static struct qreg +tgsi_to_qir_clamp(struct vc4_compile *c, + struct tgsi_full_instruction *tgsi_inst, + enum qop op, struct qreg *src, int i) +{ + return qir_FMAX(c, qir_FMIN(c, + src[0 * 4 + i], + src[2 * 4 + i]), + src[1 * 4 + i]); +} + static void emit_vertex_input(struct vc4_compile *c, int attr) { @@ -1062,6 +1073,7 @@ emit_tgsi_instruction(struct vc4_compile *c, [TGSI_OPCODE_FLR] = { 0, tgsi_to_qir_flr }, [TGSI_OPCODE_SIN] = { 0, tgsi_to_qir_sin }, [TGSI_OPCODE_COS] = { 0, tgsi_to_qir_cos }, + [TGSI_OPCODE_CLAMP] = { 0, tgsi_to_qir_clamp }, }; static int asdf = 0; uint32_t tgsi_op = tgsi_inst->Instruction.Opcode; |