diff options
| author | Nicolai Hähnle <[email protected]> | 2016-11-03 11:00:36 +0100 |
|---|---|---|
| committer | Nicolai Hähnle <[email protected]> | 2016-11-04 10:31:02 +0100 |
| commit | e4b378800eff13752dcfe1f5c6b640444208d543 (patch) | |
| tree | 419a50fba6a57722cd75b7a3048a71a910a9c416 /src/mesa | |
| parent | aef7eb4cacbb241dc895f3e08dba4c91052a98a8 (diff) | |
st/glsl_to_tgsi: fix dvec[34] loads from SSBO
When splitting up loads, we have to add 16 bytes to the offset for
the high components, just like already happens for stores.
Fixes arb_gpu_shader_fp64@shader_storage@layout-std140-fp64-shader.
Cc: 13.0 <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 5b53c40485d..882e959655e 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -774,9 +774,9 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op, int i = u_bit_scan(&writemask); - /* before emitting the instruction, see if we have to adjust store + /* before emitting the instruction, see if we have to adjust load / store * address */ - if (i > 1 && inst->op == TGSI_OPCODE_STORE && + if (i > 1 && (inst->op == TGSI_OPCODE_LOAD || inst->op == TGSI_OPCODE_STORE) && addr.file == PROGRAM_UNDEFINED) { /* We have to advance the buffer address by 16 */ addr = get_temp(glsl_type::uint_type); @@ -784,7 +784,6 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op, inst->src[0], st_src_reg_for_int(16)); } - /* first time use previous instruction */ if (dinst == NULL) { dinst = inst; @@ -804,11 +803,10 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op, dinst->dst[j].writemask = (i & 1) ? WRITEMASK_ZW : WRITEMASK_XY; dinst->dst[j].index = initial_dst_idx[j]; if (i > 1) { - if (dinst->op == TGSI_OPCODE_STORE) { + if (dinst->op == TGSI_OPCODE_LOAD || dinst->op == TGSI_OPCODE_STORE) dinst->src[0] = addr; - } else { + if (dinst->op != TGSI_OPCODE_STORE) dinst->dst[j].index++; - } } } else { /* if we aren't writing to a double, just get the bit of the initial writemask |