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Fix SOP in fragment shader, brick is ok now.

This commit is contained in:
Zou Nan hai 2007-07-17 16:52:03 +08:00
parent 3c00cdc5f3
commit c6d042acc9
2 changed files with 5 additions and 7 deletions
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6
progs/glsl/CH06-brick.frag.txt
View File

@ -23,11 +23,7 @@ void main()
position = MCposition / BrickSize;
// if (fract(position.y * 0.5) > 0.5)
// position.x += 0.5;
float tmp;
tmp = fract(position.y * 0.5);
if (tmp > 0.5)
if (fract(position.y * 0.5) > 0.5)
position.x += 0.5;
position = fract(position);

6
src/mesa/drivers/dri/i965/brw_wm_glsl.c
View File

@ -811,18 +811,20 @@ static void emit_sop(struct brw_wm_compile *c,
struct brw_reg dst, src0, src1;
int i;
brw_push_insn_state(p);
for (i = 0; i < 4; i++) {
if (mask & (1<<i)) {
dst = get_dst_reg(c, inst, i, 1);
src0 = get_src_reg(c, &inst->SrcReg[0], i, 1);
src1 = get_src_reg(c, &inst->SrcReg[1], i, 1);
brw_MOV(p, dst, brw_imm_f(0));
brw_CMP(p, brw_null_reg(), cond, src0, src1);
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
brw_MOV(p, dst, brw_imm_f(0.0));
brw_set_predicate_control(p, BRW_PREDICATE_NORMAL);
brw_MOV(p, dst, brw_imm_f(1.0));
brw_set_predicate_control_flag_value(p, 0xff);
}
}
brw_pop_insn_state(p);
}
static void emit_slt(struct brw_wm_compile *c,