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SPIR-V Dp2Add/Dp3

This commit is contained in:
Dr. Chat 2016-03-15 00:30:39 -05:00
parent 245102e9e5
commit 54f89825d9
1 changed files with 24 additions and 0 deletions
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24
src/xenia/gpu/spirv_shader_translator.cc
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@ -773,6 +773,26 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
// TODO
} break;
case AluVectorOpcode::kDp2Add: {
auto src0_xy = b.createOp(spv::Op::OpVectorShuffle, vec2_float_type_,
{sources[0], sources[0], 0, 1});
auto src1_xy = b.createOp(spv::Op::OpVectorShuffle, vec2_float_type_,
{sources[1], sources[1], 0, 1});
auto src2_x = b.createCompositeExtract(sources[2], float_type_, 0);
auto dot = b.createBinOp(spv::Op::OpDot, float_type_, src0_xy, src1_xy);
dest = b.createBinOp(spv::Op::OpFAdd, float_type_, dot, src2_x);
dest = b.smearScalar(spv::NoPrecision, dest, vec4_float_type_);
} break;
case AluVectorOpcode::kDp3: {
auto src0_xyz = b.createOp(spv::Op::OpVectorShuffle, vec3_float_type_,
{sources[0], sources[0], 0, 1, 2});
auto src1_xyz = b.createOp(spv::Op::OpVectorShuffle, vec3_float_type_,
{sources[1], sources[1], 0, 1, 2});
auto dot = b.createBinOp(spv::Op::OpDot, float_type_, src0_xyz, src1_xyz);
dest = b.smearScalar(spv::NoPrecision, dot, vec4_float_type_);
} break;
case AluVectorOpcode::kDp4: {
dest = b.createBinOp(spv::Op::OpDot, float_type_, sources[0], sources[1]);
} break;
@ -1050,9 +1070,11 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
} break;
default:
assert_unhandled_case(instr.vector_opcode);
break;
}
assert_not_zero(dest);
if (dest) {
// If predicated, discard the result from the instruction.
Id pv_dest = dest;
@ -1477,9 +1499,11 @@ void SpirvShaderTranslator::ProcessScalarAluInstruction(
} break;
default:
assert_unhandled_case(instr.scalar_opcode);
break;
}
assert_not_zero(dest);
if (dest) {
// If predicated, discard the result from the instruction.
Id ps_dest = dest;