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ShaderGen: Implemented predicated instruction execution.

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Each predicated instruction will be wrapped in an `if (predicate) { instruction_body; }` in the GLSL, where `predicate` is one of the predicate boolean variables previously set by fsetp.
This commit is contained in:
Subv 2018-04-20 09:16:55 -05:00
parent 0a5e01b710
commit c3a8ea76f1
2 changed files with 40 additions and 1 deletions
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6
src/video_core/engines/shader_bytecode.h
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@ -331,7 +331,11 @@ union Instruction {
OpCode opcode;
BitField<0, 8, Register> gpr0;
BitField<8, 8, Register> gpr8;
BitField<16, 4, Pred> pred;
union {
BitField<16, 4, Pred> full_pred;
BitField<16, 3, u64> pred_index;
} pred;
BitField<19, 1, u64> negate_pred;
BitField<20, 8, Register> gpr20;
BitField<20, 7, SubOp> sub_op;
BitField<28, 8, Register> gpr28;