diff options
| author | Roland Scheidegger <[email protected]> | 2013-07-26 21:39:27 +0200 |
|---|---|---|
| committer | Roland Scheidegger <[email protected]> | 2013-07-27 16:41:29 +0200 |
| commit | 47e528b740c2a470fbf612029c0255d1224d77cd (patch) | |
| tree | a9482878bfda02a8ac85c9d275fbdb21855f6683 /src/gallium/auxiliary | |
| parent | abcc40e7f05fcc1fd28f226f132f500a703d1e5d (diff) | |
tgsi: handle texel swizzles correctly for d3d10-style sample opcodes
Same as for gallivm (though these don't quite work correctly in softpipe,
so untested).
Reviewed-by: Jose Fonseca <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 1f8e62d6f3e..3ac69017a80 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -2041,9 +2041,25 @@ exec_txf(struct tgsi_exec_machine *mach, r[3].f[j] = rgba[3][j]; } - for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { - if (inst->Dst[0].Register.WriteMask & (1 << chan)) { - store_dest(mach, &r[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + if (inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I) { + unsigned char swizzles[4]; + swizzles[0] = inst->Src[1].Register.SwizzleX; + swizzles[1] = inst->Src[1].Register.SwizzleY; + swizzles[2] = inst->Src[1].Register.SwizzleZ; + swizzles[3] = inst->Src[1].Register.SwizzleW; + + for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { + if (inst->Dst[0].Register.WriteMask & (1 << chan)) { + store_dest(mach, &r[swizzles[chan]], + &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + } + } + } + else { + for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { + if (inst->Dst[0].Register.WriteMask & (1 << chan)) { + store_dest(mach, &r[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + } } } } @@ -2087,6 +2103,7 @@ exec_sample(struct tgsi_exec_machine *mach, const union tgsi_exec_channel *lod = &ZeroVec; enum tgsi_sampler_control control = tgsi_sampler_lod_none; uint chan; + unsigned char swizzles[4]; int8_t offsets[3]; /* always fetch all 3 offsets, overkill but keeps code simple */ @@ -2193,9 +2210,15 @@ exec_sample(struct tgsi_exec_machine *mach, assert(0); } + swizzles[0] = inst->Src[1].Register.SwizzleX; + swizzles[1] = inst->Src[1].Register.SwizzleY; + swizzles[2] = inst->Src[1].Register.SwizzleZ; + swizzles[3] = inst->Src[1].Register.SwizzleW; + for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { if (inst->Dst[0].Register.WriteMask & (1 << chan)) { - store_dest(mach, &r[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + store_dest(mach, &r[swizzles[chan]], + &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); } } } @@ -2209,6 +2232,7 @@ exec_sample_d(struct tgsi_exec_machine *mach, union tgsi_exec_channel r[4]; float derivs[3][2][TGSI_QUAD_SIZE]; uint chan; + unsigned char swizzles[4]; int8_t offsets[3]; /* always fetch all 3 offsets, overkill but keeps code simple */ @@ -2268,9 +2292,15 @@ exec_sample_d(struct tgsi_exec_machine *mach, assert(0); } + swizzles[0] = inst->Src[1].Register.SwizzleX; + swizzles[1] = inst->Src[1].Register.SwizzleY; + swizzles[2] = inst->Src[1].Register.SwizzleZ; + swizzles[3] = inst->Src[1].Register.SwizzleW; + for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { if (inst->Dst[0].Register.WriteMask & (1 << chan)) { - store_dest(mach, &r[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + store_dest(mach, &r[swizzles[chan]], + &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); } } } |