diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-04 18:02:31 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-08-04 18:06:34 -0700 |
| commit | 78c022acd0b37bf8b32f04313d76255255e769c1 (patch) | |
| tree | 172a631056a56d3e86f4c8a6523b1d5ce0aad053 /src/mesa/drivers | |
| parent | 7007f8b352763af89805f287153cb7972bff0523 (diff) | |
i965: Respect CondSwizzle in OPCODE_IF.
Fixes piglit glsl-vs-if-bool and progs/glsl/twoside, and will likely be
useful for the looping code.
Bug #18992
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index bd584d2189..be9bf02aa7 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -1265,6 +1265,23 @@ post_vs_emit( struct brw_vs_compile *c, brw_set_src1(end_inst, brw_imm_d(offset * 16)); } +static uint32_t +get_predicate(uint32_t swizzle) +{ + switch (swizzle) { + case SWIZZLE_XXXX: + return BRW_PREDICATE_ALIGN16_REPLICATE_X; + case SWIZZLE_YYYY: + return BRW_PREDICATE_ALIGN16_REPLICATE_Y; + case SWIZZLE_ZZZZ: + return BRW_PREDICATE_ALIGN16_REPLICATE_Z; + case SWIZZLE_WWWW: + return BRW_PREDICATE_ALIGN16_REPLICATE_W; + default: + _mesa_problem("Unexpected predicate: 0x%08x\n", swizzle); + return BRW_PREDICATE_NORMAL; + } +} /* Emit the vertex program instructions here. */ @@ -1470,7 +1487,10 @@ void brw_vs_emit(struct brw_vs_compile *c ) break; case OPCODE_IF: assert(if_depth < MAX_IF_DEPTH); - if_inst[if_depth++] = brw_IF(p, BRW_EXECUTE_8); + if_inst[if_depth] = brw_IF(p, BRW_EXECUTE_8); + if_inst[if_depth]->header.predicate_control = + get_predicate(inst->DstReg.CondSwizzle); + if_depth++; break; case OPCODE_ELSE: if_inst[if_depth-1] = brw_ELSE(p, if_inst[if_depth-1]); |