diff options
| author | Eric Anholt <eric@anholt.net> | 2014-10-12 22:02:53 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2014-10-13 08:06:48 +0100 |
| commit | 926eaa9af464f2448b3840bb401c0b2efe43bb40 (patch) | |
| tree | 1fff48c21c855c8c798b3cc5c2523118961f3cdd | |
| parent | b86f814afd4a8cc1d5a17308fcdd05fbb937ae93 (diff) | |
vc4: Add support for the SSG opcode.
| -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 690f644b61a..15da3ed3005 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -811,6 +811,17 @@ tgsi_to_qir_clamp(struct vc4_compile *c, src[1 * 4 + i]); } +static struct qreg +tgsi_to_qir_ssg(struct vc4_compile *c, + struct tgsi_full_instruction *tgsi_inst, + enum qop op, struct qreg *src, int i) +{ + qir_SF(c, src[0 * 4 + i]); + return qir_SEL_X_Y_NC(c, + qir_SEL_X_0_ZC(c, qir_uniform_f(c, 1.0)), + qir_uniform_f(c, -1.0)); +} + static void emit_vertex_input(struct vc4_compile *c, int attr) { @@ -1077,6 +1088,7 @@ emit_tgsi_instruction(struct vc4_compile *c, [TGSI_OPCODE_SIN] = { 0, tgsi_to_qir_sin }, [TGSI_OPCODE_COS] = { 0, tgsi_to_qir_cos }, [TGSI_OPCODE_CLAMP] = { 0, tgsi_to_qir_clamp }, + [TGSI_OPCODE_SSG] = { 0, tgsi_to_qir_ssg }, }; static int asdf = 0; uint32_t tgsi_op = tgsi_inst->Instruction.Opcode; |