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freedreno/a3xx/compiler: add CLAMP

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Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark
2014-01-15 08:07:27 -05:00
parent fafe16a8a0
commit 7524756199
1 changed files with 24 additions and 7 deletions
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src/gallium/drivers/freedreno/a3xx/fd3_compiler.c
+24 -7
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@@ -573,19 +573,17 @@ create_mov(struct fd3_compile_context *ctx, struct tgsi_dst_register *dst,
}
static void
create_clamp(struct fd3_compile_context *ctx, struct tgsi_dst_register *dst,
create_clamp(struct fd3_compile_context *ctx,
struct tgsi_dst_register *dst, struct tgsi_src_register *val,
struct tgsi_src_register *minval, struct tgsi_src_register *maxval)
{
struct ir3_instruction *instr;
struct tgsi_src_register src;
src_from_dst(&src, dst);
instr = ir3_instr_create(ctx->ir, 2, OPC_MAX_F);
vectorize(ctx, instr, dst, 2, &src, 0, minval, 0);
vectorize(ctx, instr, dst, 2, val, 0, minval, 0);
instr = ir3_instr_create(ctx->ir, 2, OPC_MIN_F);
vectorize(ctx, instr, dst, 2, &src, 0, maxval, 0);
vectorize(ctx, instr, dst, 2, val, 0, maxval, 0);
}
static void
@@ -594,11 +592,14 @@ create_clamp_imm(struct fd3_compile_context *ctx,
uint32_t minval, uint32_t maxval)
{
struct tgsi_src_register minconst, maxconst;
struct tgsi_src_register src;
src_from_dst(&src, dst);
get_immediate(ctx, &minconst, minval);
get_immediate(ctx, &maxconst, maxval);
create_clamp(ctx, dst, &minconst, &maxconst);
create_clamp(ctx, dst, &src, &minconst, &maxconst);
}
static struct tgsi_dst_register *
@@ -926,6 +927,21 @@ trans_dotp(const struct instr_translater *t,
create_mov(ctx, dst, tmp_src);
}
static void
trans_clamp(const struct instr_translater *t,
struct fd3_compile_context *ctx,
struct tgsi_full_instruction *inst)
{
struct tgsi_dst_register *dst = get_dst(ctx, inst);
struct tgsi_src_register *src0 = &inst->Src[0].Register;
struct tgsi_src_register *src1 = &inst->Src[1].Register;
struct tgsi_src_register *src2 = &inst->Src[2].Register;
create_clamp(ctx, dst, src0, src1, src2);
put_dst(ctx, inst, dst);
}
/* LRP(a,b,c) = (a * b) + ((1 - a) * c) */
static void
trans_lrp(const struct instr_translater *t,
@@ -1592,6 +1608,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = {
INSTR(TRUNC, instr_cat2, .opc = OPC_TRUNC_F),
INSTR(LRP, trans_lrp),
INSTR(FRC, trans_frac),
INSTR(CLAMP, trans_clamp),
INSTR(FLR, instr_cat2, .opc = OPC_FLOOR_F),
INSTR(ROUND, instr_cat2, .opc = OPC_RNDNE_F),
INSTR(ARL, trans_arl),