diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c')
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 84 |
1 files changed, 41 insertions, 43 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index aaf3360aa2..fd532c63d6 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -418,34 +418,36 @@ emit_fetch( const unsigned chan_index ) { const struct tgsi_full_src_register *reg = &inst->Src[index]; - unsigned swizzle = tgsi_util_get_full_src_register_swizzle( reg, chan_index ); + const unsigned swizzle = + tgsi_util_get_full_src_register_swizzle(reg, chan_index); LLVMValueRef res; LLVMValueRef addr = NULL; - switch (swizzle) { - case TGSI_SWIZZLE_X: - case TGSI_SWIZZLE_Y: - case TGSI_SWIZZLE_Z: - case TGSI_SWIZZLE_W: - - if (reg->Register.Indirect) { - LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->base.type); - unsigned swizzle = tgsi_util_get_src_register_swizzle( ®->Indirect, chan_index ); - addr = LLVMBuildLoad(bld->base.builder, - bld->addr[reg->Indirect.Index][swizzle], - ""); - /* for indexing we want integers */ - addr = LLVMBuildFPToSI(bld->base.builder, addr, - int_vec_type, ""); - addr = LLVMBuildExtractElement(bld->base.builder, - addr, LLVMConstInt(LLVMInt32Type(), 0, 0), - ""); - addr = lp_build_mul(&bld->base, addr, LLVMConstInt(LLVMInt32Type(), 4, 0)); - } - - switch (reg->Register.File) { - case TGSI_FILE_CONSTANT: { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), reg->Register.Index*4 + swizzle, 0); + if (swizzle > 3) { + assert(0 && "invalid swizzle in emit_fetch()"); + return bld->base.undef; + } + + if (reg->Register.Indirect) { + LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->base.type); + unsigned swizzle = tgsi_util_get_src_register_swizzle( ®->Indirect, chan_index ); + addr = LLVMBuildLoad(bld->base.builder, + bld->addr[reg->Indirect.Index][swizzle], + ""); + /* for indexing we want integers */ + addr = LLVMBuildFPToSI(bld->base.builder, addr, + int_vec_type, ""); + addr = LLVMBuildExtractElement(bld->base.builder, + addr, LLVMConstInt(LLVMInt32Type(), 0, 0), + ""); + addr = lp_build_mul(&bld->base, addr, LLVMConstInt(LLVMInt32Type(), 4, 0)); + } + + switch (reg->Register.File) { + case TGSI_FILE_CONSTANT: + { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), + reg->Register.Index*4 + swizzle, 0); LLVMValueRef scalar, scalar_ptr; if (reg->Register.Indirect) { @@ -453,24 +455,26 @@ emit_fetch( "\taddr = %d\n", addr);*/ index = lp_build_add(&bld->base, index, addr); } - scalar_ptr = LLVMBuildGEP(bld->base.builder, bld->consts_ptr, &index, 1, ""); + scalar_ptr = LLVMBuildGEP(bld->base.builder, bld->consts_ptr, + &index, 1, ""); scalar = LLVMBuildLoad(bld->base.builder, scalar_ptr, ""); res = lp_build_broadcast_scalar(&bld->base, scalar); - break; } + break; - case TGSI_FILE_IMMEDIATE: - res = bld->immediates[reg->Register.Index][swizzle]; - assert(res); - break; + case TGSI_FILE_IMMEDIATE: + res = bld->immediates[reg->Register.Index][swizzle]; + assert(res); + break; - case TGSI_FILE_INPUT: - res = bld->inputs[reg->Register.Index][swizzle]; - assert(res); - break; + case TGSI_FILE_INPUT: + res = bld->inputs[reg->Register.Index][swizzle]; + assert(res); + break; - case TGSI_FILE_TEMPORARY: { + case TGSI_FILE_TEMPORARY: + { LLVMValueRef temp_ptr = get_temp_ptr(bld, reg->Register.Index, swizzle, reg->Register.Indirect, @@ -478,17 +482,11 @@ emit_fetch( res = LLVMBuildLoad(bld->base.builder, temp_ptr, ""); if(!res) return bld->base.undef; - break; - } - - default: - assert( 0 ); - return bld->base.undef; } break; default: - assert( 0 ); + assert(0 && "invalid src register in emit_fetch()"); return bld->base.undef; } |