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vc4: Add support for the SSG opcode.

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This commit is contained in:
Eric Anholt 2014-10-12 22:02:53 +01:00
parent b86f814afd
commit 926eaa9af4
1 changed files with 12 additions and 0 deletions
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12
src/gallium/drivers/vc4/vc4_program.c
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@ -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;