SpirvShader: Move GLSLstd450 handling to new cpp file
Bug: b/145336353
Change-Id: I39a5bffc1784c7b35ab9c4016658f4532d6ce5fb
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/38810
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
diff --git a/src/Pipeline/BUILD.gn b/src/Pipeline/BUILD.gn
index e17084a..62f28cb 100644
--- a/src/Pipeline/BUILD.gn
+++ b/src/Pipeline/BUILD.gn
@@ -38,9 +38,10 @@
"SamplerCore.cpp",
"SetupRoutine.cpp",
"ShaderCore.cpp",
- "SpirvShader.cpp",
- "SpirvShaderSampling.cpp",
"SpirvShader_dbg.cpp",
+ "SpirvShader.cpp",
+ "SpirvShaderGLSLstd450.cpp",
+ "SpirvShaderSampling.cpp",
"VertexProgram.cpp",
"VertexRoutine.cpp",
]
diff --git a/src/Pipeline/SpirvShader.cpp b/src/Pipeline/SpirvShader.cpp
index 441ff43..ec916b5 100644
--- a/src/Pipeline/SpirvShader.cpp
+++ b/src/Pipeline/SpirvShader.cpp
@@ -33,8 +33,6 @@
namespace
{
- constexpr float PI = 3.141592653589793f;
-
VkFormat SpirvFormatToVulkanFormat(spv::ImageFormat format)
{
switch (format)
@@ -3313,928 +3311,6 @@
return EmitResult::Continue;
}
- SpirvShader::EmitResult SpirvShader::EmitExtendedInstruction(InsnIterator insn, EmitState *state) const
- {
- auto &type = getType(insn.word(1));
- auto &dst = state->createIntermediate(insn.word(2), type.sizeInComponents);
- auto extInstIndex = static_cast<GLSLstd450>(insn.word(4));
-
- switch (extInstIndex)
- {
- case GLSLstd450FAbs:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Abs(src.Float(i)));
- }
- break;
- }
- case GLSLstd450SAbs:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Abs(src.Int(i)));
- }
- break;
- }
- case GLSLstd450Cross:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- dst.move(0, lhs.Float(1) * rhs.Float(2) - rhs.Float(1) * lhs.Float(2));
- dst.move(1, lhs.Float(2) * rhs.Float(0) - rhs.Float(2) * lhs.Float(0));
- dst.move(2, lhs.Float(0) * rhs.Float(1) - rhs.Float(0) * lhs.Float(1));
- break;
- }
- case GLSLstd450Floor:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Floor(src.Float(i)));
- }
- break;
- }
- case GLSLstd450Trunc:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Trunc(src.Float(i)));
- }
- break;
- }
- case GLSLstd450Ceil:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Ceil(src.Float(i)));
- }
- break;
- }
- case GLSLstd450Fract:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Frac(src.Float(i)));
- }
- break;
- }
- case GLSLstd450Round:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Round(src.Float(i)));
- }
- break;
- }
- case GLSLstd450RoundEven:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto x = Round(src.Float(i));
- // dst = round(src) + ((round(src) < src) * 2 - 1) * (fract(src) == 0.5) * isOdd(round(src));
- dst.move(i, x + ((SIMD::Float(CmpLT(x, src.Float(i)) & SIMD::Int(1)) * SIMD::Float(2.0f)) - SIMD::Float(1.0f)) *
- SIMD::Float(CmpEQ(Frac(src.Float(i)), SIMD::Float(0.5f)) & SIMD::Int(1)) * SIMD::Float(Int4(x) & SIMD::Int(1)));
- }
- break;
- }
- case GLSLstd450FMin:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Min(lhs.Float(i), rhs.Float(i)));
- }
- break;
- }
- case GLSLstd450FMax:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Max(lhs.Float(i), rhs.Float(i)));
- }
- break;
- }
- case GLSLstd450SMin:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Min(lhs.Int(i), rhs.Int(i)));
- }
- break;
- }
- case GLSLstd450SMax:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Max(lhs.Int(i), rhs.Int(i)));
- }
- break;
- }
- case GLSLstd450UMin:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Min(lhs.UInt(i), rhs.UInt(i)));
- }
- break;
- }
- case GLSLstd450UMax:
- {
- auto lhs = GenericValue(this, state, insn.word(5));
- auto rhs = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Max(lhs.UInt(i), rhs.UInt(i)));
- }
- break;
- }
- case GLSLstd450Step:
- {
- auto edge = GenericValue(this, state, insn.word(5));
- auto x = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, CmpNLT(x.Float(i), edge.Float(i)) & As<SIMD::Int>(SIMD::Float(1.0f)));
- }
- break;
- }
- case GLSLstd450SmoothStep:
- {
- auto edge0 = GenericValue(this, state, insn.word(5));
- auto edge1 = GenericValue(this, state, insn.word(6));
- auto x = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto tx = Min(Max((x.Float(i) - edge0.Float(i)) /
- (edge1.Float(i) - edge0.Float(i)), SIMD::Float(0.0f)), SIMD::Float(1.0f));
- dst.move(i, tx * tx * (Float4(3.0f) - Float4(2.0f) * tx));
- }
- break;
- }
- case GLSLstd450FMix:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto y = GenericValue(this, state, insn.word(6));
- auto a = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, a.Float(i) * (y.Float(i) - x.Float(i)) + x.Float(i));
- }
- break;
- }
- case GLSLstd450FClamp:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto minVal = GenericValue(this, state, insn.word(6));
- auto maxVal = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Min(Max(x.Float(i), minVal.Float(i)), maxVal.Float(i)));
- }
- break;
- }
- case GLSLstd450SClamp:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto minVal = GenericValue(this, state, insn.word(6));
- auto maxVal = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Min(Max(x.Int(i), minVal.Int(i)), maxVal.Int(i)));
- }
- break;
- }
- case GLSLstd450UClamp:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto minVal = GenericValue(this, state, insn.word(6));
- auto maxVal = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Min(Max(x.UInt(i), minVal.UInt(i)), maxVal.UInt(i)));
- }
- break;
- }
- case GLSLstd450FSign:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto neg = As<SIMD::Int>(CmpLT(src.Float(i), SIMD::Float(-0.0f))) & As<SIMD::Int>(SIMD::Float(-1.0f));
- auto pos = As<SIMD::Int>(CmpNLE(src.Float(i), SIMD::Float(+0.0f))) & As<SIMD::Int>(SIMD::Float(1.0f));
- dst.move(i, neg | pos);
- }
- break;
- }
- case GLSLstd450SSign:
- {
- auto src = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto neg = CmpLT(src.Int(i), SIMD::Int(0)) & SIMD::Int(-1);
- auto pos = CmpNLE(src.Int(i), SIMD::Int(0)) & SIMD::Int(1);
- dst.move(i, neg | pos);
- }
- break;
- }
- case GLSLstd450Reflect:
- {
- auto I = GenericValue(this, state, insn.word(5));
- auto N = GenericValue(this, state, insn.word(6));
-
- SIMD::Float d = Dot(type.sizeInComponents, I, N);
-
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, I.Float(i) - SIMD::Float(2.0f) * d * N.Float(i));
- }
- break;
- }
- case GLSLstd450Refract:
- {
- auto I = GenericValue(this, state, insn.word(5));
- auto N = GenericValue(this, state, insn.word(6));
- auto eta = GenericValue(this, state, insn.word(7));
-
- SIMD::Float d = Dot(type.sizeInComponents, I, N);
- SIMD::Float k = SIMD::Float(1.0f) - eta.Float(0) * eta.Float(0) * (SIMD::Float(1.0f) - d * d);
- SIMD::Int pos = CmpNLT(k, SIMD::Float(0.0f));
- SIMD::Float t = (eta.Float(0) * d + Sqrt(k));
-
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, pos & As<SIMD::Int>(eta.Float(0) * I.Float(i) - t * N.Float(i)));
- }
- break;
- }
- case GLSLstd450FaceForward:
- {
- auto N = GenericValue(this, state, insn.word(5));
- auto I = GenericValue(this, state, insn.word(6));
- auto Nref = GenericValue(this, state, insn.word(7));
-
- SIMD::Float d = Dot(type.sizeInComponents, I, Nref);
- SIMD::Int neg = CmpLT(d, SIMD::Float(0.0f));
-
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto n = N.Float(i);
- dst.move(i, (neg & As<SIMD::Int>(n)) | (~neg & As<SIMD::Int>(-n)));
- }
- break;
- }
- case GLSLstd450Length:
- {
- auto x = GenericValue(this, state, insn.word(5));
- SIMD::Float d = Dot(getType(getObject(insn.word(5)).type).sizeInComponents, x, x);
-
- dst.move(0, Sqrt(d));
- break;
- }
- case GLSLstd450Normalize:
- {
- auto x = GenericValue(this, state, insn.word(5));
- SIMD::Float d = Dot(getType(getObject(insn.word(5)).type).sizeInComponents, x, x);
- SIMD::Float invLength = SIMD::Float(1.0f) / Sqrt(d);
-
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, invLength * x.Float(i));
- }
- break;
- }
- case GLSLstd450Distance:
- {
- auto p0 = GenericValue(this, state, insn.word(5));
- auto p1 = GenericValue(this, state, insn.word(6));
- auto p0Type = getType(p0.type);
-
- // sqrt(dot(p0-p1, p0-p1))
- SIMD::Float d = (p0.Float(0) - p1.Float(0)) * (p0.Float(0) - p1.Float(0));
-
- for (auto i = 1u; i < p0Type.sizeInComponents; i++)
- {
- d += (p0.Float(i) - p1.Float(i)) * (p0.Float(i) - p1.Float(i));
- }
-
- dst.move(0, Sqrt(d));
- break;
- }
- case GLSLstd450Modf:
- {
- auto val = GenericValue(this, state, insn.word(5));
- auto ptrId = Object::ID(insn.word(6));
- auto ptrTy = getType(getObject(ptrId).type);
- auto ptr = GetPointerToData(ptrId, 0, state);
- bool interleavedByLane = IsStorageInterleavedByLane(ptrTy.storageClass);
- // TODO: GLSL modf() takes an output parameter and thus the pointer is assumed
- // to be in bounds even for inactive lanes.
- // - Clarify the SPIR-V spec.
- // - Eliminate lane masking and assume interleaving.
- auto robustness = OutOfBoundsBehavior::UndefinedBehavior;
-
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- SIMD::Float whole, frac;
- std::tie(whole, frac) = Modf(val.Float(i));
- dst.move(i, frac);
- auto p = ptr + (i * sizeof(float));
- if (interleavedByLane) { p = InterleaveByLane(p); }
- p.Store(whole, robustness, state->activeLaneMask());
- }
- break;
- }
- case GLSLstd450ModfStruct:
- {
- auto val = GenericValue(this, state, insn.word(5));
- auto valTy = getType(val.type);
-
- for (auto i = 0u; i < valTy.sizeInComponents; i++)
- {
- SIMD::Float whole, frac;
- std::tie(whole, frac) = Modf(val.Float(i));
- dst.move(i, frac);
- dst.move(i + valTy.sizeInComponents, whole);
- }
- break;
- }
- case GLSLstd450PackSnorm4x8:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, (SIMD::Int(Round(Min(Max(val.Float(0), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
- SIMD::Int(0xFF)) |
- ((SIMD::Int(Round(Min(Max(val.Float(1), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
- SIMD::Int(0xFF)) << 8) |
- ((SIMD::Int(Round(Min(Max(val.Float(2), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
- SIMD::Int(0xFF)) << 16) |
- ((SIMD::Int(Round(Min(Max(val.Float(3), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
- SIMD::Int(0xFF)) << 24));
- break;
- }
- case GLSLstd450PackUnorm4x8:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, (SIMD::UInt(Round(Min(Max(val.Float(0), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) |
- ((SIMD::UInt(Round(Min(Max(val.Float(1), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) << 8) |
- ((SIMD::UInt(Round(Min(Max(val.Float(2), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) << 16) |
- ((SIMD::UInt(Round(Min(Max(val.Float(3), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) << 24));
- break;
- }
- case GLSLstd450PackSnorm2x16:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, (SIMD::Int(Round(Min(Max(val.Float(0), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(32767.0f))) &
- SIMD::Int(0xFFFF)) |
- ((SIMD::Int(Round(Min(Max(val.Float(1), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(32767.0f))) &
- SIMD::Int(0xFFFF)) << 16));
- break;
- }
- case GLSLstd450PackUnorm2x16:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, (SIMD::UInt(Round(Min(Max(val.Float(0), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(65535.0f))) &
- SIMD::UInt(0xFFFF)) |
- ((SIMD::UInt(Round(Min(Max(val.Float(1), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(65535.0f))) &
- SIMD::UInt(0xFFFF)) << 16));
- break;
- }
- case GLSLstd450PackHalf2x16:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, FloatToHalfBits(val.UInt(0), false) | FloatToHalfBits(val.UInt(1), true));
- break;
- }
- case GLSLstd450UnpackSnorm4x8:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, Min(Max(SIMD::Float(((val.Int(0)<<24) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
- dst.move(1, Min(Max(SIMD::Float(((val.Int(0)<<16) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
- dst.move(2, Min(Max(SIMD::Float(((val.Int(0)<<8) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
- dst.move(3, Min(Max(SIMD::Float(((val.Int(0)) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
- break;
- }
- case GLSLstd450UnpackUnorm4x8:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, SIMD::Float((val.UInt(0) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
- dst.move(1, SIMD::Float(((val.UInt(0)>>8) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
- dst.move(2, SIMD::Float(((val.UInt(0)>>16) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
- dst.move(3, SIMD::Float(((val.UInt(0)>>24) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
- break;
- }
- case GLSLstd450UnpackSnorm2x16:
- {
- auto val = GenericValue(this, state, insn.word(5));
- // clamp(f / 32767.0, -1.0, 1.0)
- dst.move(0, Min(Max(SIMD::Float(As<SIMD::Int>((val.UInt(0) & SIMD::UInt(0x0000FFFF)) << 16)) *
- SIMD::Float(1.0f / float(0x7FFF0000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
- dst.move(1, Min(Max(SIMD::Float(As<SIMD::Int>(val.UInt(0) & SIMD::UInt(0xFFFF0000))) * SIMD::Float(1.0f / float(0x7FFF0000)),
- SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
- break;
- }
- case GLSLstd450UnpackUnorm2x16:
- {
- auto val = GenericValue(this, state, insn.word(5));
- // f / 65535.0
- dst.move(0, SIMD::Float((val.UInt(0) & SIMD::UInt(0x0000FFFF)) << 16) * SIMD::Float(1.0f / float(0xFFFF0000)));
- dst.move(1, SIMD::Float(val.UInt(0) & SIMD::UInt(0xFFFF0000)) * SIMD::Float(1.0f / float(0xFFFF0000)));
- break;
- }
- case GLSLstd450UnpackHalf2x16:
- {
- auto val = GenericValue(this, state, insn.word(5));
- dst.move(0, halfToFloatBits(val.UInt(0) & SIMD::UInt(0x0000FFFF)));
- dst.move(1, halfToFloatBits((val.UInt(0) & SIMD::UInt(0xFFFF0000)) >> 16));
- break;
- }
- case GLSLstd450Fma:
- {
- auto a = GenericValue(this, state, insn.word(5));
- auto b = GenericValue(this, state, insn.word(6));
- auto c = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, FMA(a.Float(i), b.Float(i), c.Float(i)));
- }
- break;
- }
- case GLSLstd450Frexp:
- {
- auto val = GenericValue(this, state, insn.word(5));
- auto ptrId = Object::ID(insn.word(6));
- auto ptrTy = getType(getObject(ptrId).type);
- auto ptr = GetPointerToData(ptrId, 0, state);
- bool interleavedByLane = IsStorageInterleavedByLane(ptrTy.storageClass);
- // TODO: GLSL frexp() takes an output parameter and thus the pointer is assumed
- // to be in bounds even for inactive lanes.
- // - Clarify the SPIR-V spec.
- // - Eliminate lane masking and assume interleaving.
- auto robustness = OutOfBoundsBehavior::UndefinedBehavior;
-
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- SIMD::Float significand;
- SIMD::Int exponent;
- std::tie(significand, exponent) = Frexp(val.Float(i));
-
- dst.move(i, significand);
-
- auto p = ptr + (i * sizeof(float));
- if (interleavedByLane) { p = InterleaveByLane(p); }
- p.Store(exponent, robustness, state->activeLaneMask());
- }
- break;
- }
- case GLSLstd450FrexpStruct:
- {
- auto val = GenericValue(this, state, insn.word(5));
- auto numComponents = getType(val.type).sizeInComponents;
- for (auto i = 0u; i < numComponents; i++)
- {
- auto significandAndExponent = Frexp(val.Float(i));
- dst.move(i, significandAndExponent.first);
- dst.move(i + numComponents, significandAndExponent.second);
- }
- break;
- }
- case GLSLstd450Ldexp:
- {
- auto significand = GenericValue(this, state, insn.word(5));
- auto exponent = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- // Assumes IEEE 754
- auto in = significand.Float(i);
- auto significandExponent = Exponent(in);
- auto combinedExponent = exponent.Int(i) + significandExponent;
- auto isSignificandZero = SIMD::UInt(CmpEQ(significand.Int(i), SIMD::Int(0)));
- auto isSignificandInf = SIMD::UInt(IsInf(in));
- auto isSignificandNaN = SIMD::UInt(IsNan(in));
- auto isExponentNotTooSmall = SIMD::UInt(CmpGE(combinedExponent, SIMD::Int(-126)));
- auto isExponentNotTooLarge = SIMD::UInt(CmpLE(combinedExponent, SIMD::Int(128)));
- auto isExponentInBounds = isExponentNotTooSmall & isExponentNotTooLarge;
-
- SIMD::UInt v;
- v = significand.UInt(i) & SIMD::UInt(0x7FFFFF); // Add significand.
- v |= (SIMD::UInt(combinedExponent + SIMD::Int(126)) << SIMD::UInt(23)); // Add exponent.
- v &= isExponentInBounds; // Clear v if the exponent is OOB.
-
- v |= significand.UInt(i) & SIMD::UInt(0x80000000); // Add sign bit.
- v |= ~isExponentNotTooLarge & SIMD::UInt(0x7F800000); // Mark as inf if the exponent is too great.
-
- // If the input significand is zero, inf or nan, just return the
- // input significand.
- auto passthrough = isSignificandZero | isSignificandInf | isSignificandNaN;
- v = (v & ~passthrough) | (significand.UInt(i) & passthrough);
-
- dst.move(i, As<SIMD::Float>(v));
- }
- break;
- }
- case GLSLstd450Radians:
- {
- auto degrees = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, degrees.Float(i) * SIMD::Float(PI / 180.0f));
- }
- break;
- }
- case GLSLstd450Degrees:
- {
- auto radians = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, radians.Float(i) * SIMD::Float(180.0f / PI));
- }
- break;
- }
- case GLSLstd450Sin:
- {
- auto radians = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Sin(radians.Float(i)));
- }
- break;
- }
- case GLSLstd450Cos:
- {
- auto radians = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Cos(radians.Float(i)));
- }
- break;
- }
- case GLSLstd450Tan:
- {
- auto radians = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Tan(radians.Float(i)));
- }
- break;
- }
- case GLSLstd450Asin:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Asin(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Acos:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Acos(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Atan:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Atan(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Sinh:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Sinh(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Cosh:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Cosh(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Tanh:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Tanh(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Asinh:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Asinh(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Acosh:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Acosh(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Atanh:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Atanh(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Atan2:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto y = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Atan2(x.Float(i), y.Float(i)));
- }
- break;
- }
- case GLSLstd450Pow:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto y = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Pow(x.Float(i), y.Float(i)));
- }
- break;
- }
- case GLSLstd450Exp:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Exp(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Log:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Log(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Exp2:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Exp2(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Log2:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Log2(val.Float(i)));
- }
- break;
- }
- case GLSLstd450Sqrt:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, Sqrt(val.Float(i)));
- }
- break;
- }
- case GLSLstd450InverseSqrt:
- {
- auto val = GenericValue(this, state, insn.word(5));
- Decorations d;
- ApplyDecorationsForId(&d, insn.word(5));
- if (d.RelaxedPrecision)
- {
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, RcpSqrt_pp(val.Float(i)));
- }
- }
- else
- {
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, SIMD::Float(1.0f) / Sqrt(val.Float(i)));
- }
- }
- break;
- }
- case GLSLstd450Determinant:
- {
- auto mat = GenericValue(this, state, insn.word(5));
- auto numComponents = getType(mat.type).sizeInComponents;
- switch (numComponents)
- {
- case 4: // 2x2
- dst.move(0, Determinant(
- mat.Float(0), mat.Float(1),
- mat.Float(2), mat.Float(3)));
- break;
- case 9: // 3x3
- dst.move(0, Determinant(
- mat.Float(0), mat.Float(1), mat.Float(2),
- mat.Float(3), mat.Float(4), mat.Float(5),
- mat.Float(6), mat.Float(7), mat.Float(8)));
- break;
- case 16: // 4x4
- dst.move(0, Determinant(
- mat.Float(0), mat.Float(1), mat.Float(2), mat.Float(3),
- mat.Float(4), mat.Float(5), mat.Float(6), mat.Float(7),
- mat.Float(8), mat.Float(9), mat.Float(10), mat.Float(11),
- mat.Float(12), mat.Float(13), mat.Float(14), mat.Float(15)));
- break;
- default:
- UNREACHABLE("GLSLstd450Determinant can only operate with square matrices. Got %d elements", int(numComponents));
- }
- break;
- }
- case GLSLstd450MatrixInverse:
- {
- auto mat = GenericValue(this, state, insn.word(5));
- auto numComponents = getType(mat.type).sizeInComponents;
- switch (numComponents)
- {
- case 4: // 2x2
- {
- auto inv = MatrixInverse(
- mat.Float(0), mat.Float(1),
- mat.Float(2), mat.Float(3));
- for (uint32_t i = 0; i < inv.size(); i++)
- {
- dst.move(i, inv[i]);
- }
- break;
- }
- case 9: // 3x3
- {
- auto inv = MatrixInverse(
- mat.Float(0), mat.Float(1), mat.Float(2),
- mat.Float(3), mat.Float(4), mat.Float(5),
- mat.Float(6), mat.Float(7), mat.Float(8));
- for (uint32_t i = 0; i < inv.size(); i++)
- {
- dst.move(i, inv[i]);
- }
- break;
- }
- case 16: // 4x4
- {
- auto inv = MatrixInverse(
- mat.Float(0), mat.Float(1), mat.Float(2), mat.Float(3),
- mat.Float(4), mat.Float(5), mat.Float(6), mat.Float(7),
- mat.Float(8), mat.Float(9), mat.Float(10), mat.Float(11),
- mat.Float(12), mat.Float(13), mat.Float(14), mat.Float(15));
- for (uint32_t i = 0; i < inv.size(); i++)
- {
- dst.move(i, inv[i]);
- }
- break;
- }
- default:
- UNREACHABLE("GLSLstd450MatrixInverse can only operate with square matrices. Got %d elements", int(numComponents));
- }
- break;
- }
- case GLSLstd450IMix:
- {
- UNREACHABLE("GLSLstd450IMix has been removed from the specification");
- break;
- }
- case GLSLstd450PackDouble2x32:
- {
- UNSUPPORTED("SPIR-V Float64 Capability (GLSLstd450PackDouble2x32)");
- break;
- }
- case GLSLstd450UnpackDouble2x32:
- {
- UNSUPPORTED("SPIR-V Float64 Capability (GLSLstd450UnpackDouble2x32)");
- break;
- }
- case GLSLstd450FindILsb:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto v = val.UInt(i);
- dst.move(i, Cttz(v, true) | CmpEQ(v, SIMD::UInt(0)));
- }
- break;
- }
- case GLSLstd450FindSMsb:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto v = val.UInt(i) ^ As<SIMD::UInt>(CmpLT(val.Int(i), SIMD::Int(0)));
- dst.move(i, SIMD::UInt(31) - Ctlz(v, false));
- }
- break;
- }
- case GLSLstd450FindUMsb:
- {
- auto val = GenericValue(this, state, insn.word(5));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, SIMD::UInt(31) - Ctlz(val.UInt(i), false));
- }
- break;
- }
- case GLSLstd450InterpolateAtCentroid:
- {
- UNSUPPORTED("SPIR-V SampleRateShading Capability (GLSLstd450InterpolateAtCentroid)");
- break;
- }
- case GLSLstd450InterpolateAtSample:
- {
- UNSUPPORTED("SPIR-V SampleRateShading Capability (GLSLstd450InterpolateAtCentroid)");
- break;
- }
- case GLSLstd450InterpolateAtOffset:
- {
- UNSUPPORTED("SPIR-V SampleRateShading Capability (GLSLstd450InterpolateAtCentroid)");
- break;
- }
- case GLSLstd450NMin:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto y = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, NMin(x.Float(i), y.Float(i)));
- }
- break;
- }
- case GLSLstd450NMax:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto y = GenericValue(this, state, insn.word(6));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- dst.move(i, NMax(x.Float(i), y.Float(i)));
- }
- break;
- }
- case GLSLstd450NClamp:
- {
- auto x = GenericValue(this, state, insn.word(5));
- auto minVal = GenericValue(this, state, insn.word(6));
- auto maxVal = GenericValue(this, state, insn.word(7));
- for (auto i = 0u; i < type.sizeInComponents; i++)
- {
- auto clamp = NMin(NMax(x.Float(i), minVal.Float(i)), maxVal.Float(i));
- dst.move(i, clamp);
- }
- break;
- }
- default:
- UNREACHABLE("ExtInst %d", int(extInstIndex));
- break;
- }
-
- return EmitResult::Continue;
- }
-
std::memory_order SpirvShader::MemoryOrder(spv::MemorySemanticsMask memorySemantics)
{
auto control = static_cast<uint32_t>(memorySemantics) & static_cast<uint32_t>(
diff --git a/src/Pipeline/SpirvShaderGLSLstd450.cpp b/src/Pipeline/SpirvShaderGLSLstd450.cpp
new file mode 100644
index 0000000..f9485ca
--- /dev/null
+++ b/src/Pipeline/SpirvShaderGLSLstd450.cpp
@@ -0,0 +1,951 @@
+// Copyright 2019 The SwiftShader Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "SpirvShader.hpp"
+
+#include "ShaderCore.hpp"
+
+#include <spirv/unified1/spirv.hpp>
+#include <spirv/unified1/GLSL.std.450.h>
+
+namespace
+{
+ constexpr float PI = 3.141592653589793f;
+}
+
+namespace sw {
+
+SpirvShader::EmitResult SpirvShader::EmitExtendedInstruction(InsnIterator insn, EmitState *state) const
+{
+ auto &type = getType(insn.word(1));
+ auto &dst = state->createIntermediate(insn.word(2), type.sizeInComponents);
+ auto extInstIndex = static_cast<GLSLstd450>(insn.word(4));
+
+ switch (extInstIndex)
+ {
+ case GLSLstd450FAbs:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Abs(src.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450SAbs:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Abs(src.Int(i)));
+ }
+ break;
+ }
+ case GLSLstd450Cross:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ dst.move(0, lhs.Float(1) * rhs.Float(2) - rhs.Float(1) * lhs.Float(2));
+ dst.move(1, lhs.Float(2) * rhs.Float(0) - rhs.Float(2) * lhs.Float(0));
+ dst.move(2, lhs.Float(0) * rhs.Float(1) - rhs.Float(0) * lhs.Float(1));
+ break;
+ }
+ case GLSLstd450Floor:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Floor(src.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Trunc:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Trunc(src.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Ceil:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Ceil(src.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Fract:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Frac(src.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Round:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Round(src.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450RoundEven:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto x = Round(src.Float(i));
+ // dst = round(src) + ((round(src) < src) * 2 - 1) * (fract(src) == 0.5) * isOdd(round(src));
+ dst.move(i, x + ((SIMD::Float(CmpLT(x, src.Float(i)) & SIMD::Int(1)) * SIMD::Float(2.0f)) - SIMD::Float(1.0f)) *
+ SIMD::Float(CmpEQ(Frac(src.Float(i)), SIMD::Float(0.5f)) & SIMD::Int(1)) * SIMD::Float(Int4(x) & SIMD::Int(1)));
+ }
+ break;
+ }
+ case GLSLstd450FMin:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Min(lhs.Float(i), rhs.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450FMax:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Max(lhs.Float(i), rhs.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450SMin:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Min(lhs.Int(i), rhs.Int(i)));
+ }
+ break;
+ }
+ case GLSLstd450SMax:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Max(lhs.Int(i), rhs.Int(i)));
+ }
+ break;
+ }
+ case GLSLstd450UMin:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Min(lhs.UInt(i), rhs.UInt(i)));
+ }
+ break;
+ }
+ case GLSLstd450UMax:
+ {
+ auto lhs = GenericValue(this, state, insn.word(5));
+ auto rhs = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Max(lhs.UInt(i), rhs.UInt(i)));
+ }
+ break;
+ }
+ case GLSLstd450Step:
+ {
+ auto edge = GenericValue(this, state, insn.word(5));
+ auto x = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, CmpNLT(x.Float(i), edge.Float(i)) & As<SIMD::Int>(SIMD::Float(1.0f)));
+ }
+ break;
+ }
+ case GLSLstd450SmoothStep:
+ {
+ auto edge0 = GenericValue(this, state, insn.word(5));
+ auto edge1 = GenericValue(this, state, insn.word(6));
+ auto x = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto tx = Min(Max((x.Float(i) - edge0.Float(i)) /
+ (edge1.Float(i) - edge0.Float(i)), SIMD::Float(0.0f)), SIMD::Float(1.0f));
+ dst.move(i, tx * tx * (Float4(3.0f) - Float4(2.0f) * tx));
+ }
+ break;
+ }
+ case GLSLstd450FMix:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto y = GenericValue(this, state, insn.word(6));
+ auto a = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, a.Float(i) * (y.Float(i) - x.Float(i)) + x.Float(i));
+ }
+ break;
+ }
+ case GLSLstd450FClamp:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto minVal = GenericValue(this, state, insn.word(6));
+ auto maxVal = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Min(Max(x.Float(i), minVal.Float(i)), maxVal.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450SClamp:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto minVal = GenericValue(this, state, insn.word(6));
+ auto maxVal = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Min(Max(x.Int(i), minVal.Int(i)), maxVal.Int(i)));
+ }
+ break;
+ }
+ case GLSLstd450UClamp:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto minVal = GenericValue(this, state, insn.word(6));
+ auto maxVal = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Min(Max(x.UInt(i), minVal.UInt(i)), maxVal.UInt(i)));
+ }
+ break;
+ }
+ case GLSLstd450FSign:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto neg = As<SIMD::Int>(CmpLT(src.Float(i), SIMD::Float(-0.0f))) & As<SIMD::Int>(SIMD::Float(-1.0f));
+ auto pos = As<SIMD::Int>(CmpNLE(src.Float(i), SIMD::Float(+0.0f))) & As<SIMD::Int>(SIMD::Float(1.0f));
+ dst.move(i, neg | pos);
+ }
+ break;
+ }
+ case GLSLstd450SSign:
+ {
+ auto src = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto neg = CmpLT(src.Int(i), SIMD::Int(0)) & SIMD::Int(-1);
+ auto pos = CmpNLE(src.Int(i), SIMD::Int(0)) & SIMD::Int(1);
+ dst.move(i, neg | pos);
+ }
+ break;
+ }
+ case GLSLstd450Reflect:
+ {
+ auto I = GenericValue(this, state, insn.word(5));
+ auto N = GenericValue(this, state, insn.word(6));
+
+ SIMD::Float d = Dot(type.sizeInComponents, I, N);
+
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, I.Float(i) - SIMD::Float(2.0f) * d * N.Float(i));
+ }
+ break;
+ }
+ case GLSLstd450Refract:
+ {
+ auto I = GenericValue(this, state, insn.word(5));
+ auto N = GenericValue(this, state, insn.word(6));
+ auto eta = GenericValue(this, state, insn.word(7));
+
+ SIMD::Float d = Dot(type.sizeInComponents, I, N);
+ SIMD::Float k = SIMD::Float(1.0f) - eta.Float(0) * eta.Float(0) * (SIMD::Float(1.0f) - d * d);
+ SIMD::Int pos = CmpNLT(k, SIMD::Float(0.0f));
+ SIMD::Float t = (eta.Float(0) * d + Sqrt(k));
+
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, pos & As<SIMD::Int>(eta.Float(0) * I.Float(i) - t * N.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450FaceForward:
+ {
+ auto N = GenericValue(this, state, insn.word(5));
+ auto I = GenericValue(this, state, insn.word(6));
+ auto Nref = GenericValue(this, state, insn.word(7));
+
+ SIMD::Float d = Dot(type.sizeInComponents, I, Nref);
+ SIMD::Int neg = CmpLT(d, SIMD::Float(0.0f));
+
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto n = N.Float(i);
+ dst.move(i, (neg & As<SIMD::Int>(n)) | (~neg & As<SIMD::Int>(-n)));
+ }
+ break;
+ }
+ case GLSLstd450Length:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ SIMD::Float d = Dot(getType(getObject(insn.word(5)).type).sizeInComponents, x, x);
+
+ dst.move(0, Sqrt(d));
+ break;
+ }
+ case GLSLstd450Normalize:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ SIMD::Float d = Dot(getType(getObject(insn.word(5)).type).sizeInComponents, x, x);
+ SIMD::Float invLength = SIMD::Float(1.0f) / Sqrt(d);
+
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, invLength * x.Float(i));
+ }
+ break;
+ }
+ case GLSLstd450Distance:
+ {
+ auto p0 = GenericValue(this, state, insn.word(5));
+ auto p1 = GenericValue(this, state, insn.word(6));
+ auto p0Type = getType(p0.type);
+
+ // sqrt(dot(p0-p1, p0-p1))
+ SIMD::Float d = (p0.Float(0) - p1.Float(0)) * (p0.Float(0) - p1.Float(0));
+
+ for (auto i = 1u; i < p0Type.sizeInComponents; i++)
+ {
+ d += (p0.Float(i) - p1.Float(i)) * (p0.Float(i) - p1.Float(i));
+ }
+
+ dst.move(0, Sqrt(d));
+ break;
+ }
+ case GLSLstd450Modf:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ auto ptrId = Object::ID(insn.word(6));
+ auto ptrTy = getType(getObject(ptrId).type);
+ auto ptr = GetPointerToData(ptrId, 0, state);
+ bool interleavedByLane = IsStorageInterleavedByLane(ptrTy.storageClass);
+ // TODO: GLSL modf() takes an output parameter and thus the pointer is assumed
+ // to be in bounds even for inactive lanes.
+ // - Clarify the SPIR-V spec.
+ // - Eliminate lane masking and assume interleaving.
+ auto robustness = OutOfBoundsBehavior::UndefinedBehavior;
+
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ SIMD::Float whole, frac;
+ std::tie(whole, frac) = Modf(val.Float(i));
+ dst.move(i, frac);
+ auto p = ptr + (i * sizeof(float));
+ if (interleavedByLane) { p = InterleaveByLane(p); }
+ p.Store(whole, robustness, state->activeLaneMask());
+ }
+ break;
+ }
+ case GLSLstd450ModfStruct:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ auto valTy = getType(val.type);
+
+ for (auto i = 0u; i < valTy.sizeInComponents; i++)
+ {
+ SIMD::Float whole, frac;
+ std::tie(whole, frac) = Modf(val.Float(i));
+ dst.move(i, frac);
+ dst.move(i + valTy.sizeInComponents, whole);
+ }
+ break;
+ }
+ case GLSLstd450PackSnorm4x8:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, (SIMD::Int(Round(Min(Max(val.Float(0), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
+ SIMD::Int(0xFF)) |
+ ((SIMD::Int(Round(Min(Max(val.Float(1), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
+ SIMD::Int(0xFF)) << 8) |
+ ((SIMD::Int(Round(Min(Max(val.Float(2), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
+ SIMD::Int(0xFF)) << 16) |
+ ((SIMD::Int(Round(Min(Max(val.Float(3), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(127.0f))) &
+ SIMD::Int(0xFF)) << 24));
+ break;
+ }
+ case GLSLstd450PackUnorm4x8:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, (SIMD::UInt(Round(Min(Max(val.Float(0), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) |
+ ((SIMD::UInt(Round(Min(Max(val.Float(1), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) << 8) |
+ ((SIMD::UInt(Round(Min(Max(val.Float(2), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) << 16) |
+ ((SIMD::UInt(Round(Min(Max(val.Float(3), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(255.0f)))) << 24));
+ break;
+ }
+ case GLSLstd450PackSnorm2x16:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, (SIMD::Int(Round(Min(Max(val.Float(0), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(32767.0f))) &
+ SIMD::Int(0xFFFF)) |
+ ((SIMD::Int(Round(Min(Max(val.Float(1), SIMD::Float(-1.0f)), SIMD::Float(1.0f)) * SIMD::Float(32767.0f))) &
+ SIMD::Int(0xFFFF)) << 16));
+ break;
+ }
+ case GLSLstd450PackUnorm2x16:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, (SIMD::UInt(Round(Min(Max(val.Float(0), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(65535.0f))) &
+ SIMD::UInt(0xFFFF)) |
+ ((SIMD::UInt(Round(Min(Max(val.Float(1), SIMD::Float(0.0f)), SIMD::Float(1.0f)) * SIMD::Float(65535.0f))) &
+ SIMD::UInt(0xFFFF)) << 16));
+ break;
+ }
+ case GLSLstd450PackHalf2x16:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, FloatToHalfBits(val.UInt(0), false) | FloatToHalfBits(val.UInt(1), true));
+ break;
+ }
+ case GLSLstd450UnpackSnorm4x8:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, Min(Max(SIMD::Float(((val.Int(0)<<24) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
+ dst.move(1, Min(Max(SIMD::Float(((val.Int(0)<<16) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
+ dst.move(2, Min(Max(SIMD::Float(((val.Int(0)<<8) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
+ dst.move(3, Min(Max(SIMD::Float(((val.Int(0)) & SIMD::Int(0xFF000000))) * SIMD::Float(1.0f / float(0x7f000000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
+ break;
+ }
+ case GLSLstd450UnpackUnorm4x8:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, SIMD::Float((val.UInt(0) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
+ dst.move(1, SIMD::Float(((val.UInt(0)>>8) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
+ dst.move(2, SIMD::Float(((val.UInt(0)>>16) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
+ dst.move(3, SIMD::Float(((val.UInt(0)>>24) & SIMD::UInt(0xFF))) * SIMD::Float(1.0f / 255.f));
+ break;
+ }
+ case GLSLstd450UnpackSnorm2x16:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ // clamp(f / 32767.0, -1.0, 1.0)
+ dst.move(0, Min(Max(SIMD::Float(As<SIMD::Int>((val.UInt(0) & SIMD::UInt(0x0000FFFF)) << 16)) *
+ SIMD::Float(1.0f / float(0x7FFF0000)), SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
+ dst.move(1, Min(Max(SIMD::Float(As<SIMD::Int>(val.UInt(0) & SIMD::UInt(0xFFFF0000))) * SIMD::Float(1.0f / float(0x7FFF0000)),
+ SIMD::Float(-1.0f)), SIMD::Float(1.0f)));
+ break;
+ }
+ case GLSLstd450UnpackUnorm2x16:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ // f / 65535.0
+ dst.move(0, SIMD::Float((val.UInt(0) & SIMD::UInt(0x0000FFFF)) << 16) * SIMD::Float(1.0f / float(0xFFFF0000)));
+ dst.move(1, SIMD::Float(val.UInt(0) & SIMD::UInt(0xFFFF0000)) * SIMD::Float(1.0f / float(0xFFFF0000)));
+ break;
+ }
+ case GLSLstd450UnpackHalf2x16:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ dst.move(0, halfToFloatBits(val.UInt(0) & SIMD::UInt(0x0000FFFF)));
+ dst.move(1, halfToFloatBits((val.UInt(0) & SIMD::UInt(0xFFFF0000)) >> 16));
+ break;
+ }
+ case GLSLstd450Fma:
+ {
+ auto a = GenericValue(this, state, insn.word(5));
+ auto b = GenericValue(this, state, insn.word(6));
+ auto c = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, FMA(a.Float(i), b.Float(i), c.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Frexp:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ auto ptrId = Object::ID(insn.word(6));
+ auto ptrTy = getType(getObject(ptrId).type);
+ auto ptr = GetPointerToData(ptrId, 0, state);
+ bool interleavedByLane = IsStorageInterleavedByLane(ptrTy.storageClass);
+ // TODO: GLSL frexp() takes an output parameter and thus the pointer is assumed
+ // to be in bounds even for inactive lanes.
+ // - Clarify the SPIR-V spec.
+ // - Eliminate lane masking and assume interleaving.
+ auto robustness = OutOfBoundsBehavior::UndefinedBehavior;
+
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ SIMD::Float significand;
+ SIMD::Int exponent;
+ std::tie(significand, exponent) = Frexp(val.Float(i));
+
+ dst.move(i, significand);
+
+ auto p = ptr + (i * sizeof(float));
+ if (interleavedByLane) { p = InterleaveByLane(p); }
+ p.Store(exponent, robustness, state->activeLaneMask());
+ }
+ break;
+ }
+ case GLSLstd450FrexpStruct:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ auto numComponents = getType(val.type).sizeInComponents;
+ for (auto i = 0u; i < numComponents; i++)
+ {
+ auto significandAndExponent = Frexp(val.Float(i));
+ dst.move(i, significandAndExponent.first);
+ dst.move(i + numComponents, significandAndExponent.second);
+ }
+ break;
+ }
+ case GLSLstd450Ldexp:
+ {
+ auto significand = GenericValue(this, state, insn.word(5));
+ auto exponent = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ // Assumes IEEE 754
+ auto in = significand.Float(i);
+ auto significandExponent = Exponent(in);
+ auto combinedExponent = exponent.Int(i) + significandExponent;
+ auto isSignificandZero = SIMD::UInt(CmpEQ(significand.Int(i), SIMD::Int(0)));
+ auto isSignificandInf = SIMD::UInt(IsInf(in));
+ auto isSignificandNaN = SIMD::UInt(IsNan(in));
+ auto isExponentNotTooSmall = SIMD::UInt(CmpGE(combinedExponent, SIMD::Int(-126)));
+ auto isExponentNotTooLarge = SIMD::UInt(CmpLE(combinedExponent, SIMD::Int(128)));
+ auto isExponentInBounds = isExponentNotTooSmall & isExponentNotTooLarge;
+
+ SIMD::UInt v;
+ v = significand.UInt(i) & SIMD::UInt(0x7FFFFF); // Add significand.
+ v |= (SIMD::UInt(combinedExponent + SIMD::Int(126)) << SIMD::UInt(23)); // Add exponent.
+ v &= isExponentInBounds; // Clear v if the exponent is OOB.
+
+ v |= significand.UInt(i) & SIMD::UInt(0x80000000); // Add sign bit.
+ v |= ~isExponentNotTooLarge & SIMD::UInt(0x7F800000); // Mark as inf if the exponent is too great.
+
+ // If the input significand is zero, inf or nan, just return the
+ // input significand.
+ auto passthrough = isSignificandZero | isSignificandInf | isSignificandNaN;
+ v = (v & ~passthrough) | (significand.UInt(i) & passthrough);
+
+ dst.move(i, As<SIMD::Float>(v));
+ }
+ break;
+ }
+ case GLSLstd450Radians:
+ {
+ auto degrees = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, degrees.Float(i) * SIMD::Float(PI / 180.0f));
+ }
+ break;
+ }
+ case GLSLstd450Degrees:
+ {
+ auto radians = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, radians.Float(i) * SIMD::Float(180.0f / PI));
+ }
+ break;
+ }
+ case GLSLstd450Sin:
+ {
+ auto radians = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Sin(radians.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Cos:
+ {
+ auto radians = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Cos(radians.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Tan:
+ {
+ auto radians = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Tan(radians.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Asin:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Asin(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Acos:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Acos(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Atan:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Atan(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Sinh:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Sinh(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Cosh:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Cosh(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Tanh:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Tanh(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Asinh:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Asinh(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Acosh:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Acosh(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Atanh:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Atanh(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Atan2:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto y = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Atan2(x.Float(i), y.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Pow:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto y = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Pow(x.Float(i), y.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Exp:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Exp(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Log:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Log(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Exp2:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Exp2(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Log2:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Log2(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450Sqrt:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, Sqrt(val.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450InverseSqrt:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ Decorations d;
+ ApplyDecorationsForId(&d, insn.word(5));
+ if (d.RelaxedPrecision)
+ {
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, RcpSqrt_pp(val.Float(i)));
+ }
+ }
+ else
+ {
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, SIMD::Float(1.0f) / Sqrt(val.Float(i)));
+ }
+ }
+ break;
+ }
+ case GLSLstd450Determinant:
+ {
+ auto mat = GenericValue(this, state, insn.word(5));
+ auto numComponents = getType(mat.type).sizeInComponents;
+ switch (numComponents)
+ {
+ case 4: // 2x2
+ dst.move(0, Determinant(
+ mat.Float(0), mat.Float(1),
+ mat.Float(2), mat.Float(3)));
+ break;
+ case 9: // 3x3
+ dst.move(0, Determinant(
+ mat.Float(0), mat.Float(1), mat.Float(2),
+ mat.Float(3), mat.Float(4), mat.Float(5),
+ mat.Float(6), mat.Float(7), mat.Float(8)));
+ break;
+ case 16: // 4x4
+ dst.move(0, Determinant(
+ mat.Float(0), mat.Float(1), mat.Float(2), mat.Float(3),
+ mat.Float(4), mat.Float(5), mat.Float(6), mat.Float(7),
+ mat.Float(8), mat.Float(9), mat.Float(10), mat.Float(11),
+ mat.Float(12), mat.Float(13), mat.Float(14), mat.Float(15)));
+ break;
+ default:
+ UNREACHABLE("GLSLstd450Determinant can only operate with square matrices. Got %d elements", int(numComponents));
+ }
+ break;
+ }
+ case GLSLstd450MatrixInverse:
+ {
+ auto mat = GenericValue(this, state, insn.word(5));
+ auto numComponents = getType(mat.type).sizeInComponents;
+ switch (numComponents)
+ {
+ case 4: // 2x2
+ {
+ auto inv = MatrixInverse(
+ mat.Float(0), mat.Float(1),
+ mat.Float(2), mat.Float(3));
+ for (uint32_t i = 0; i < inv.size(); i++)
+ {
+ dst.move(i, inv[i]);
+ }
+ break;
+ }
+ case 9: // 3x3
+ {
+ auto inv = MatrixInverse(
+ mat.Float(0), mat.Float(1), mat.Float(2),
+ mat.Float(3), mat.Float(4), mat.Float(5),
+ mat.Float(6), mat.Float(7), mat.Float(8));
+ for (uint32_t i = 0; i < inv.size(); i++)
+ {
+ dst.move(i, inv[i]);
+ }
+ break;
+ }
+ case 16: // 4x4
+ {
+ auto inv = MatrixInverse(
+ mat.Float(0), mat.Float(1), mat.Float(2), mat.Float(3),
+ mat.Float(4), mat.Float(5), mat.Float(6), mat.Float(7),
+ mat.Float(8), mat.Float(9), mat.Float(10), mat.Float(11),
+ mat.Float(12), mat.Float(13), mat.Float(14), mat.Float(15));
+ for (uint32_t i = 0; i < inv.size(); i++)
+ {
+ dst.move(i, inv[i]);
+ }
+ break;
+ }
+ default:
+ UNREACHABLE("GLSLstd450MatrixInverse can only operate with square matrices. Got %d elements", int(numComponents));
+ }
+ break;
+ }
+ case GLSLstd450IMix:
+ {
+ UNREACHABLE("GLSLstd450IMix has been removed from the specification");
+ break;
+ }
+ case GLSLstd450PackDouble2x32:
+ {
+ UNSUPPORTED("SPIR-V Float64 Capability (GLSLstd450PackDouble2x32)");
+ break;
+ }
+ case GLSLstd450UnpackDouble2x32:
+ {
+ UNSUPPORTED("SPIR-V Float64 Capability (GLSLstd450UnpackDouble2x32)");
+ break;
+ }
+ case GLSLstd450FindILsb:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto v = val.UInt(i);
+ dst.move(i, Cttz(v, true) | CmpEQ(v, SIMD::UInt(0)));
+ }
+ break;
+ }
+ case GLSLstd450FindSMsb:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto v = val.UInt(i) ^ As<SIMD::UInt>(CmpLT(val.Int(i), SIMD::Int(0)));
+ dst.move(i, SIMD::UInt(31) - Ctlz(v, false));
+ }
+ break;
+ }
+ case GLSLstd450FindUMsb:
+ {
+ auto val = GenericValue(this, state, insn.word(5));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, SIMD::UInt(31) - Ctlz(val.UInt(i), false));
+ }
+ break;
+ }
+ case GLSLstd450InterpolateAtCentroid:
+ {
+ UNSUPPORTED("SPIR-V SampleRateShading Capability (GLSLstd450InterpolateAtCentroid)");
+ break;
+ }
+ case GLSLstd450InterpolateAtSample:
+ {
+ UNSUPPORTED("SPIR-V SampleRateShading Capability (GLSLstd450InterpolateAtCentroid)");
+ break;
+ }
+ case GLSLstd450InterpolateAtOffset:
+ {
+ UNSUPPORTED("SPIR-V SampleRateShading Capability (GLSLstd450InterpolateAtCentroid)");
+ break;
+ }
+ case GLSLstd450NMin:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto y = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, NMin(x.Float(i), y.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450NMax:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto y = GenericValue(this, state, insn.word(6));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ dst.move(i, NMax(x.Float(i), y.Float(i)));
+ }
+ break;
+ }
+ case GLSLstd450NClamp:
+ {
+ auto x = GenericValue(this, state, insn.word(5));
+ auto minVal = GenericValue(this, state, insn.word(6));
+ auto maxVal = GenericValue(this, state, insn.word(7));
+ for (auto i = 0u; i < type.sizeInComponents; i++)
+ {
+ auto clamp = NMin(NMax(x.Float(i), minVal.Float(i)), maxVal.Float(i));
+ dst.move(i, clamp);
+ }
+ break;
+ }
+ default:
+ UNREACHABLE("ExtInst %d", int(extInstIndex));
+ break;
+ }
+
+ return EmitResult::Continue;
+}
+
+} // namespace sw
\ No newline at end of file
diff --git a/src/Vulkan/vulkan.vcxproj b/src/Vulkan/vulkan.vcxproj
index 7ee6982..3b6c30e 100644
--- a/src/Vulkan/vulkan.vcxproj
+++ b/src/Vulkan/vulkan.vcxproj
@@ -165,6 +165,7 @@
<ClCompile Include="..\Pipeline\SetupRoutine.cpp" />
<ClCompile Include="..\Pipeline\ShaderCore.cpp" />
<ClCompile Include="..\Pipeline\SpirvShader.cpp" />
+ <ClCompile Include="..\Pipeline\SpirvShaderGLSLstd450.cpp" />
<ClCompile Include="..\Pipeline\SpirvShaderSampling.cpp" />
<ClCompile Include="..\Pipeline\SpirvShader_dbg.cpp" />
<ClCompile Include="..\Pipeline\VertexProgram.cpp" />
diff --git a/src/Vulkan/vulkan.vcxproj.filters b/src/Vulkan/vulkan.vcxproj.filters
index 34ed4c7..7a0e176 100644
--- a/src/Vulkan/vulkan.vcxproj.filters
+++ b/src/Vulkan/vulkan.vcxproj.filters
@@ -246,6 +246,9 @@
<ClCompile Include="..\Pipeline\SpirvShader.cpp">
<Filter>Source Files\Pipeline</Filter>
</ClCompile>
+ <ClCompile Include="..\Pipeline\SpirvShaderGLSLstd450.cpp">
+ <Filter>Source Files\Pipeline</Filter>
+ </ClCompile>
<ClCompile Include="..\Pipeline\SpirvShaderSampling.cpp">
<Filter>Source Files\Pipeline</Filter>
</ClCompile>
