diff options
| author | Marek Olšák <[email protected]> | 2017-02-08 00:26:37 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2017-02-10 11:27:50 +0100 |
| commit | 8a2ae4153b39b93257f42b97adf27428fe2faaf6 (patch) | |
| tree | 235d7b77afa7004870b1dc27d31063db93844447 /src/gallium | |
| parent | 28c06b3ceb7455538da301e03c9e704902cc1056 (diff) | |
radeonsi: reduce the number of FMASK input coordinates
Before:
image_load v3, v[0:3] ...
After:
image_load v3, v[0:1] ...
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index d898afd72d4..eb2efbb72c4 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -4395,16 +4395,12 @@ static void tex_fetch_args( struct lp_build_context *uint_bld = &bld_base->uint_bld; struct lp_build_emit_data txf_emit_data = *emit_data; LLVMValueRef txf_address[4]; - unsigned txf_count = count; + /* We only need .xy for non-arrays, and .xyz for arrays. */ + unsigned txf_count = target == TGSI_TEXTURE_2D_MSAA ? 2 : 3; struct tgsi_full_instruction inst = {}; memcpy(txf_address, address, sizeof(txf_address)); - if (target == TGSI_TEXTURE_2D_MSAA) { - txf_address[2] = bld_base->uint_bld.zero; - } - txf_address[3] = bld_base->uint_bld.zero; - /* Read FMASK using TXF. */ inst.Instruction.Opcode = TGSI_OPCODE_TXF; inst.Texture.Texture = target; @@ -4425,7 +4421,7 @@ static void tex_fetch_args( txf_emit_data.output[0], uint_bld->zero, ""); - unsigned sample_chan = target == TGSI_TEXTURE_2D_MSAA ? 2 : 3; + unsigned sample_chan = txf_count; /* the sample index is last */ LLVMValueRef sample_index4 = LLVMBuildMul(gallivm->builder, address[sample_chan], four, ""); |