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vc4: Add support for TGSI_OPCODE_CLAMP.

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This will be used by the shared LIT lowering code.
This commit is contained in:
Eric Anholt 2014-09-30 14:19:25 -07:00
parent 0c8c7d32f0
commit 1bf2d17a60
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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@ -812,6 +812,17 @@ tgsi_to_qir_cos(struct vc4_compile *c,
return sum; 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 static void
emit_vertex_input(struct vc4_compile *c, int attr) 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_FLR] = { 0, tgsi_to_qir_flr },
[TGSI_OPCODE_SIN] = { 0, tgsi_to_qir_sin }, [TGSI_OPCODE_SIN] = { 0, tgsi_to_qir_sin },
[TGSI_OPCODE_COS] = { 0, tgsi_to_qir_cos }, [TGSI_OPCODE_COS] = { 0, tgsi_to_qir_cos },
[TGSI_OPCODE_CLAMP] = { 0, tgsi_to_qir_clamp },
}; };
static int asdf = 0; static int asdf = 0;
uint32_t tgsi_op = tgsi_inst->Instruction.Opcode; uint32_t tgsi_op = tgsi_inst->Instruction.Opcode;