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SPIR-V Max4

This commit is contained in:
Dr. Chat 2016-03-25 18:23:45 -05:00
parent fc1bd0f379
commit 44cffab389
1 changed files with 18 additions and 0 deletions
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18
src/xenia/gpu/spirv_shader_translator.cc
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@ -701,6 +701,7 @@ void SpirvShaderTranslator::ProcessTextureFetchInstruction(
} break; } break;
default: default:
// TODO: the rest of these // TODO: the rest of these
assert_always();
break; break;
} }
@ -909,6 +910,23 @@ void SpirvShaderTranslator::ProcessVectorAluInstruction(
} break; } break;
case AluVectorOpcode::kMax4: { case AluVectorOpcode::kMax4: {
auto src0_x = b.createCompositeExtract(sources[0], float_type_, 0);
auto src0_y = b.createCompositeExtract(sources[0], float_type_, 1);
auto src0_z = b.createCompositeExtract(sources[0], float_type_, 2);
auto src0_w = b.createCompositeExtract(sources[0], float_type_, 3);
auto max_xy = CreateGlslStd450InstructionCall(
spv::NoPrecision, float_type_, spv::GLSLstd450::kFMax,
{src0_x, src0_y});
auto max_zw = CreateGlslStd450InstructionCall(
spv::NoPrecision, float_type_, spv::GLSLstd450::kFMax,
{src0_z, src0_w});
auto max_xyzw = CreateGlslStd450InstructionCall(
spv::NoPrecision, float_type_, spv::GLSLstd450::kFMax,
{max_xy, max_zw});
// FIXME: Docs say this only updates pv.x?
dest = b.smearScalar(spv::NoPrecision, max_xyzw, vec4_float_type_);
} break; } break;
case AluVectorOpcode::kMaxA: { case AluVectorOpcode::kMaxA: {