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i965/fs: Add byte scattered read message and fs support

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v2: Fix alignment style (Topi Pohjolainen)
    (Jason Ekstrand)
    - Enable bit_size parameter to scattered messages to enable different
      bitsizes byte/word/dword.
    - Remove use of brw_send_indirect_scattered_message in favor of
      brw_send_indirect_surface_message.
    - Move scattered messages to surface messages namespace.
    - Assert align1 for scattered messages and assume Gen8+.
    - Inline brw_set_dp_byte_scattered_read.

v3: (Jason Ekstrand)
    - Use renamed brw_byte_scattered_data_element_from_bit_size method
    - Assert scattered read for Gen8+ and Haswell.
    - Use conditional expresion at components_read.
    - Include comment about params for scattered opcodes.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jose Maria Casanova Crespo
2017-07-01 08:19:17 +02:00
parent a4031bdfa9
commit c57a3f200d
9 changed files with 94 additions and 1 deletions
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2
src/intel/compiler/brw_fs_copy_propagation.cpp
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@@ -656,6 +656,7 @@ fs_visitor::try_constant_propagate(fs_inst *inst, acp_entry *entry)
case SHADER_OPCODE_TYPED_SURFACE_READ:
case SHADER_OPCODE_TYPED_SURFACE_WRITE:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE:
case SHADER_OPCODE_BYTE_SCATTERED_READ:
/* We only propagate into the surface argument of the
* instruction. Everything else goes through LOAD_PAYLOAD.
*/
@@ -696,6 +697,7 @@ fs_visitor::try_constant_propagate(fs_inst *inst, acp_entry *entry)
case SHADER_OPCODE_TYPED_SURFACE_READ_LOGICAL:
case SHADER_OPCODE_TYPED_SURFACE_WRITE_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
inst->src[i] = val;
progress = true;
break;