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freedreno/ir3: get the # of miplevels from getinfo

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This fixes ARB_texture_query_levels to actually return the desired
value.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
Cc: "10.4 10.5" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit cb3eb43ad6)
This commit is contained in:
Ilia Mirkin 2015-03-07 18:25:54 -05:00 • committed by Emil Velikov
parent 025cf8cb3f
commit fa8bfb3ed1
1 changed files with 20 additions and 0 deletions
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20
src/gallium/drivers/freedreno/ir3/ir3_compiler.c
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@ -1476,6 +1476,26 @@ trans_txq(const struct instr_translater *t,
add_dst_reg_wrmask(ctx, instr, dst, 0, dst->WriteMask);
add_src_reg_wrmask(ctx, instr, level, level->SwizzleX, 0x1);
}
if (dst->WriteMask & TGSI_WRITEMASK_W) {
/* The # of levels comes from getinfo.z. We need to add 1 to it, since
* the value in TEX_CONST_0 is zero-based.
*/
struct tgsi_dst_register tmp_dst;
struct tgsi_src_register *tmp_src;
tmp_src = get_internal_temp(ctx, &tmp_dst);
instr = instr_create(ctx, 5, OPC_GETINFO);
instr->cat5.type = get_utype(ctx);
instr->cat5.samp = samp->Index;
instr->cat5.tex = samp->Index;
add_dst_reg_wrmask(ctx, instr, &tmp_dst, 0, TGSI_WRITEMASK_Z);
instr = instr_create(ctx, 2, OPC_ADD_U);
add_dst_reg(ctx, instr, dst, 3);
add_src_reg(ctx, instr, tmp_src, src_swiz(tmp_src, 2));
ir3_reg_create(instr, 0, IR3_REG_IMMED)->iim_val = 1;
}
}
/* DDX/DDY */