| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_STANDALONE |
| |
| #include "include/core/SkPoint3.h" |
| #include "include/private/SkVx.h" |
| #include "src/core/SkUtils.h" // sk_unaligned_load |
| #include "src/sksl/SkSLByteCode.h" |
| #include "src/sksl/SkSLByteCodeGenerator.h" |
| #include "src/sksl/SkSLExternalValue.h" |
| |
| #include <vector> |
| |
| namespace SkSL { |
| |
| #if defined(SK_ENABLE_SKSL_INTERPRETER) |
| |
| namespace Interpreter { |
| |
| constexpr int VecWidth = ByteCode::kVecWidth; |
| |
| using F32 = skvx::Vec<VecWidth, float>; |
| using I32 = skvx::Vec<VecWidth, int32_t>; |
| using U32 = skvx::Vec<VecWidth, uint32_t>; |
| |
| #define READ8() (*(ip++)) |
| #define READ16() (ip += 2, sk_unaligned_load<uint16_t>(ip - 2)) |
| #define READ32() (ip += 4, sk_unaligned_load<uint32_t>(ip - 4)) |
| |
| #define VECTOR_DISASSEMBLE(op, text) \ |
| case ByteCodeInstruction::op: printf(text); break; \ |
| case ByteCodeInstruction::op##2: printf(text "2"); break; \ |
| case ByteCodeInstruction::op##3: printf(text "3"); break; \ |
| case ByteCodeInstruction::op##4: printf(text "4"); break; |
| |
| #define VECTOR_MATRIX_DISASSEMBLE(op, text) \ |
| case ByteCodeInstruction::op: printf(text); break; \ |
| case ByteCodeInstruction::op##2: printf(text "2"); break; \ |
| case ByteCodeInstruction::op##3: printf(text "3"); break; \ |
| case ByteCodeInstruction::op##4: printf(text "4"); break; \ |
| case ByteCodeInstruction::op##N: printf(text "N %d", READ8()); break; |
| |
| static const uint8_t* disassemble_instruction(const uint8_t* ip) { |
| switch ((ByteCodeInstruction) READ16()) { |
| VECTOR_MATRIX_DISASSEMBLE(kAddF, "addf") |
| VECTOR_DISASSEMBLE(kAddI, "addi") |
| case ByteCodeInstruction::kAndB: printf("andb"); break; |
| case ByteCodeInstruction::kBranch: printf("branch %d", READ16()); break; |
| case ByteCodeInstruction::kCall: printf("call %d", READ8()); break; |
| case ByteCodeInstruction::kCallExternal: { |
| int argumentCount = READ8(); |
| int returnCount = READ8(); |
| int externalValue = READ8(); |
| printf("callexternal %d, %d, %d", argumentCount, returnCount, externalValue); |
| break; |
| } |
| case ByteCodeInstruction::kClampIndex: printf("clampindex %d", READ8()); break; |
| VECTOR_DISASSEMBLE(kCompareIEQ, "compareieq") |
| VECTOR_DISASSEMBLE(kCompareINEQ, "compareineq") |
| VECTOR_MATRIX_DISASSEMBLE(kCompareFEQ, "comparefeq") |
| VECTOR_MATRIX_DISASSEMBLE(kCompareFNEQ, "comparefneq") |
| VECTOR_DISASSEMBLE(kCompareFGT, "comparefgt") |
| VECTOR_DISASSEMBLE(kCompareFGTEQ, "comparefgteq") |
| VECTOR_DISASSEMBLE(kCompareFLT, "compareflt") |
| VECTOR_DISASSEMBLE(kCompareFLTEQ, "compareflteq") |
| VECTOR_DISASSEMBLE(kCompareSGT, "comparesgt") |
| VECTOR_DISASSEMBLE(kCompareSGTEQ, "comparesgteq") |
| VECTOR_DISASSEMBLE(kCompareSLT, "compareslt") |
| VECTOR_DISASSEMBLE(kCompareSLTEQ, "compareslteq") |
| VECTOR_DISASSEMBLE(kCompareUGT, "compareugt") |
| VECTOR_DISASSEMBLE(kCompareUGTEQ, "compareugteq") |
| VECTOR_DISASSEMBLE(kCompareULT, "compareult") |
| VECTOR_DISASSEMBLE(kCompareULTEQ, "compareulteq") |
| VECTOR_DISASSEMBLE(kConvertFtoI, "convertftoi") |
| VECTOR_DISASSEMBLE(kConvertStoF, "convertstof") |
| VECTOR_DISASSEMBLE(kConvertUtoF, "convertutof") |
| VECTOR_DISASSEMBLE(kCos, "cos") |
| VECTOR_MATRIX_DISASSEMBLE(kDivideF, "dividef") |
| VECTOR_DISASSEMBLE(kDivideS, "divideS") |
| VECTOR_DISASSEMBLE(kDivideU, "divideu") |
| VECTOR_MATRIX_DISASSEMBLE(kDup, "dup") |
| case ByteCodeInstruction::kInverse2x2: printf("inverse2x2"); break; |
| case ByteCodeInstruction::kInverse3x3: printf("inverse3x3"); break; |
| case ByteCodeInstruction::kInverse4x4: printf("inverse4x4"); break; |
| case ByteCodeInstruction::kLoad: printf("load %d", READ8()); break; |
| case ByteCodeInstruction::kLoad2: printf("load2 %d", READ8()); break; |
| case ByteCodeInstruction::kLoad3: printf("load3 %d", READ8()); break; |
| case ByteCodeInstruction::kLoad4: printf("load4 %d", READ8()); break; |
| case ByteCodeInstruction::kLoadGlobal: printf("loadglobal %d", READ8()); break; |
| case ByteCodeInstruction::kLoadGlobal2: printf("loadglobal2 %d", READ8()); break; |
| case ByteCodeInstruction::kLoadGlobal3: printf("loadglobal3 %d", READ8()); break; |
| case ByteCodeInstruction::kLoadGlobal4: printf("loadglobal4 %d", READ8()); break; |
| case ByteCodeInstruction::kLoadSwizzle: { |
| int target = READ8(); |
| int count = READ8(); |
| printf("loadswizzle %d %d", target, count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| case ByteCodeInstruction::kLoadSwizzleGlobal: { |
| int target = READ8(); |
| int count = READ8(); |
| printf("loadswizzleglobal %d %d", target, count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| case ByteCodeInstruction::kLoadExtended: printf("loadextended %d", READ8()); break; |
| case ByteCodeInstruction::kLoadExtendedGlobal: printf("loadextendedglobal %d", READ8()); |
| break; |
| case ByteCodeInstruction::kMatrixToMatrix: { |
| int srcCols = READ8(); |
| int srcRows = READ8(); |
| int dstCols = READ8(); |
| int dstRows = READ8(); |
| printf("matrixtomatrix %dx%d %dx%d", srcCols, srcRows, dstCols, dstRows); |
| break; |
| } |
| case ByteCodeInstruction::kMatrixMultiply: { |
| int lCols = READ8(); |
| int lRows = READ8(); |
| int rCols = READ8(); |
| printf("matrixmultiply %dx%d %dx%d", lCols, lRows, rCols, lCols); |
| break; |
| } |
| VECTOR_MATRIX_DISASSEMBLE(kMultiplyF, "multiplyf") |
| VECTOR_DISASSEMBLE(kMultiplyI, "multiplyi") |
| VECTOR_MATRIX_DISASSEMBLE(kNegateF, "negatef") |
| VECTOR_DISASSEMBLE(kNegateI, "negatei") |
| case ByteCodeInstruction::kNotB: printf("notb"); break; |
| case ByteCodeInstruction::kOrB: printf("orb"); break; |
| VECTOR_MATRIX_DISASSEMBLE(kPop, "pop") |
| case ByteCodeInstruction::kPushImmediate: { |
| uint32_t v = READ32(); |
| union { uint32_t u; float f; } pun = { v }; |
| printf("pushimmediate %s", (to_string(v) + "(" + to_string(pun.f) + ")").c_str()); |
| break; |
| } |
| case ByteCodeInstruction::kReadExternal: printf("readexternal %d", READ8()); break; |
| case ByteCodeInstruction::kReadExternal2: printf("readexternal2 %d", READ8()); break; |
| case ByteCodeInstruction::kReadExternal3: printf("readexternal3 %d", READ8()); break; |
| case ByteCodeInstruction::kReadExternal4: printf("readexternal4 %d", READ8()); break; |
| VECTOR_DISASSEMBLE(kRemainderF, "remainderf") |
| VECTOR_DISASSEMBLE(kRemainderS, "remainders") |
| VECTOR_DISASSEMBLE(kRemainderU, "remainderu") |
| case ByteCodeInstruction::kReserve: printf("reserve %d", READ8()); break; |
| case ByteCodeInstruction::kReturn: printf("return %d", READ8()); break; |
| case ByteCodeInstruction::kScalarToMatrix: { |
| int cols = READ8(); |
| int rows = READ8(); |
| printf("scalartomatrix %dx%d", cols, rows); |
| break; |
| } |
| VECTOR_DISASSEMBLE(kSin, "sin") |
| VECTOR_DISASSEMBLE(kSqrt, "sqrt") |
| case ByteCodeInstruction::kStore: printf("store %d", READ8()); break; |
| case ByteCodeInstruction::kStore2: printf("store2 %d", READ8()); break; |
| case ByteCodeInstruction::kStore3: printf("store3 %d", READ8()); break; |
| case ByteCodeInstruction::kStore4: printf("store4 %d", READ8()); break; |
| case ByteCodeInstruction::kStoreGlobal: printf("storeglobal %d", READ8()); break; |
| case ByteCodeInstruction::kStoreGlobal2: printf("storeglobal2 %d", READ8()); break; |
| case ByteCodeInstruction::kStoreGlobal3: printf("storeglobal3 %d", READ8()); break; |
| case ByteCodeInstruction::kStoreGlobal4: printf("storeglobal4 %d", READ8()); break; |
| case ByteCodeInstruction::kStoreSwizzle: { |
| int target = READ8(); |
| int count = READ8(); |
| printf("storeswizzle %d %d", target, count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| case ByteCodeInstruction::kStoreSwizzleGlobal: { |
| int target = READ8(); |
| int count = READ8(); |
| printf("storeswizzleglobal %d %d", target, count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| case ByteCodeInstruction::kStoreSwizzleIndirect: { |
| int count = READ8(); |
| printf("storeswizzleindirect %d", count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| case ByteCodeInstruction::kStoreSwizzleIndirectGlobal: { |
| int count = READ8(); |
| printf("storeswizzleindirectglobal %d", count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| case ByteCodeInstruction::kStoreExtended: printf("storeextended %d", READ8()); break; |
| case ByteCodeInstruction::kStoreExtendedGlobal: printf("storeextendedglobal %d", READ8()); |
| break; |
| VECTOR_MATRIX_DISASSEMBLE(kSubtractF, "subtractf") |
| VECTOR_DISASSEMBLE(kSubtractI, "subtracti") |
| case ByteCodeInstruction::kSwizzle: { |
| printf("swizzle %d, ", READ8()); |
| int count = READ8(); |
| printf("%d", count); |
| for (int i = 0; i < count; ++i) { |
| printf(", %d", READ8()); |
| } |
| break; |
| } |
| VECTOR_DISASSEMBLE(kTan, "tan") |
| case ByteCodeInstruction::kWriteExternal: printf("writeexternal %d", READ8()); break; |
| case ByteCodeInstruction::kWriteExternal2: printf("writeexternal2 %d", READ8()); break; |
| case ByteCodeInstruction::kWriteExternal3: printf("writeexternal3 %d", READ8()); break; |
| case ByteCodeInstruction::kWriteExternal4: printf("writeexternal4 %d", READ8()); break; |
| case ByteCodeInstruction::kXorB: printf("xorb"); break; |
| case ByteCodeInstruction::kMaskPush: printf("maskpush"); break; |
| case ByteCodeInstruction::kMaskPop: printf("maskpop"); break; |
| case ByteCodeInstruction::kMaskNegate: printf("masknegate"); break; |
| case ByteCodeInstruction::kMaskBlend: printf("maskblend %d", READ8()); break; |
| case ByteCodeInstruction::kBranchIfAllFalse: |
| printf("branchifallfalse %d", READ16()); |
| break; |
| case ByteCodeInstruction::kLoopBegin: printf("loopbegin"); break; |
| case ByteCodeInstruction::kLoopNext: printf("loopnext"); break; |
| case ByteCodeInstruction::kLoopMask: printf("loopmask"); break; |
| case ByteCodeInstruction::kLoopEnd: printf("loopend"); break; |
| case ByteCodeInstruction::kLoopContinue: printf("loopcontinue"); break; |
| case ByteCodeInstruction::kLoopBreak: printf("loopbreak"); break; |
| default: printf("unknown(%d)\n", *(ip - 1)); SkASSERT(false); |
| } |
| return ip; |
| } |
| |
| #define VECTOR_BINARY_OP(base, field, op) \ |
| case ByteCodeInstruction::base ## 4: \ |
| sp[-4] = sp[-4].field op sp[0].field; \ |
| POP(); \ |
| /* fall through */ \ |
| case ByteCodeInstruction::base ## 3: { \ |
| int count = (int) ByteCodeInstruction::base - (int) inst - 1; \ |
| sp[count] = sp[count].field op sp[0].field; \ |
| POP(); \ |
| } /* fall through */ \ |
| case ByteCodeInstruction::base ## 2: { \ |
| int count = (int) ByteCodeInstruction::base - (int) inst - 1; \ |
| sp[count] = sp[count].field op sp[0].field; \ |
| POP(); \ |
| } /* fall through */ \ |
| case ByteCodeInstruction::base: { \ |
| int count = (int) ByteCodeInstruction::base - (int) inst - 1; \ |
| sp[count] = sp[count].field op sp[0].field; \ |
| POP(); \ |
| break; \ |
| } |
| |
| #define VECTOR_MATRIX_BINARY_OP(base, field, op) \ |
| VECTOR_BINARY_OP(base, field, op) \ |
| case ByteCodeInstruction::base ## N: { \ |
| int count = READ8(); \ |
| for (int i = count; i > 0; --i) { \ |
| sp[-count] = sp[-count].field op sp[0].field; \ |
| POP(); \ |
| } \ |
| break; \ |
| } |
| |
| #define VECTOR_BINARY_FN(base, field, fn) \ |
| case ByteCodeInstruction::base ## 4: \ |
| sp[-4] = fn(sp[-4].field, sp[0].field); \ |
| POP(); \ |
| /* fall through */ \ |
| case ByteCodeInstruction::base ## 3: { \ |
| int target = (int) ByteCodeInstruction::base - (int) inst - 1; \ |
| sp[target] = fn(sp[target].field, sp[0].field); \ |
| POP(); \ |
| } /* fall through */ \ |
| case ByteCodeInstruction::base ## 2: { \ |
| int target = (int) ByteCodeInstruction::base - (int) inst - 1; \ |
| sp[target] = fn(sp[target].field, sp[0].field); \ |
| POP(); \ |
| } /* fall through */ \ |
| case ByteCodeInstruction::base: { \ |
| int target = (int) ByteCodeInstruction::base - (int) inst - 1; \ |
| sp[target] = fn(sp[target].field, sp[0].field); \ |
| POP(); \ |
| break; \ |
| } |
| |
| #define VECTOR_UNARY_FN(base, fn, field) \ |
| case ByteCodeInstruction::base ## 4: sp[-3] = fn(sp[-3].field); \ |
| case ByteCodeInstruction::base ## 3: sp[-2] = fn(sp[-2].field); \ |
| case ByteCodeInstruction::base ## 2: sp[-1] = fn(sp[-1].field); \ |
| case ByteCodeInstruction::base: sp[ 0] = fn(sp[ 0].field); \ |
| break; |
| |
| #define VECTOR_UNARY_FN_VEC(base, fn) \ |
| case ByteCodeInstruction::base ## 4: \ |
| case ByteCodeInstruction::base ## 3: \ |
| case ByteCodeInstruction::base ## 2: \ |
| case ByteCodeInstruction::base : { \ |
| int count = (int)inst - (int)ByteCodeInstruction::base + 1; \ |
| float* v = (float*)sp - count + 1; \ |
| for (int i = VecWidth * count; i > 0; --i, ++v) { \ |
| *v = fn(*v); \ |
| } \ |
| break; \ |
| } |
| |
| union VValue { |
| VValue() {} |
| |
| VValue(F32 f) |
| : fFloat(f) { |
| } |
| |
| VValue(I32 s) |
| : fSigned(s) { |
| } |
| |
| VValue(U32 u) |
| : fUnsigned(u) { |
| } |
| |
| F32 fFloat; |
| I32 fSigned; |
| U32 fUnsigned; |
| }; |
| |
| struct StackFrame { |
| const uint8_t* fCode; |
| const uint8_t* fIP; |
| VValue* fStack; |
| int fParameterCount; |
| }; |
| |
| // TODO: trunc on integers? |
| template <typename T> |
| static T vec_mod(T a, T b) { |
| return a - skvx::trunc(a / b) * b; |
| } |
| |
| #define spf(index) sp[index].fFloat |
| |
| static bool innerRun(const ByteCode* byteCode, const ByteCodeFunction* f, VValue* stack, |
| float* outReturn[], VValue globals[], bool stripedOutput, int N, |
| int baseIndex) { |
| // Needs to be the first N non-negative integers, at least as large as VecWidth |
| static const Interpreter::I32 gLanes = { |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
| }; |
| |
| VValue* sp = stack + f->fParameterCount + f->fLocalCount - 1; |
| |
| auto POP = [&] { SkASSERT(sp >= stack); return *(sp--); }; |
| auto PUSH = [&](VValue v) { SkASSERT(sp + 1 >= stack); *(++sp) = v; }; |
| |
| const uint8_t* code = f->fCode.data(); |
| const uint8_t* ip = code; |
| std::vector<StackFrame> frames; |
| |
| I32 condStack[16]; // Independent condition masks |
| I32 maskStack[16]; // Combined masks (eg maskStack[0] & maskStack[1] & ...) |
| I32 contStack[16]; // Continue flags for loops |
| I32 loopStack[16]; // Loop execution masks |
| condStack[0] = maskStack[0] = (gLanes < N); |
| contStack[0] = I32( 0); |
| loopStack[0] = I32(~0); |
| I32* condPtr = condStack; |
| I32* maskPtr = maskStack; |
| I32* contPtr = contStack; |
| I32* loopPtr = loopStack; |
| |
| if (f->fConditionCount + 1 > (int)SK_ARRAY_COUNT(condStack) || |
| f->fLoopCount + 1 > (int)SK_ARRAY_COUNT(loopStack)) { |
| return false; |
| } |
| |
| auto mask = [&]() { return *maskPtr & *loopPtr; }; |
| |
| for (;;) { |
| #ifdef TRACE |
| printf("at %3d ", (int) (ip - code)); |
| disassemble_instruction(ip); |
| printf("\n"); |
| #endif |
| ByteCodeInstruction inst = (ByteCodeInstruction) READ16(); |
| switch (inst) { |
| VECTOR_BINARY_OP(kAddI, fSigned, +) |
| VECTOR_MATRIX_BINARY_OP(kAddF, fFloat, +) |
| |
| // Booleans are integer masks: 0/~0 for false/true. So bitwise ops do what we want: |
| case ByteCodeInstruction::kAndB: |
| sp[-1] = sp[-1].fSigned & sp[0].fSigned; |
| POP(); |
| break; |
| case ByteCodeInstruction::kNotB: |
| sp[0] = ~sp[0].fSigned; |
| break; |
| case ByteCodeInstruction::kOrB: |
| sp[-1] = sp[-1].fSigned | sp[0].fSigned; |
| POP(); |
| break; |
| case ByteCodeInstruction::kXorB: |
| sp[-1] = sp[-1].fSigned ^ sp[0].fSigned; |
| POP(); |
| break; |
| |
| case ByteCodeInstruction::kBranch: |
| ip = code + READ16(); |
| break; |
| |
| case ByteCodeInstruction::kCall: { |
| // Precursor code reserved space for the return value, and pushed all parameters to |
| // the stack. Update our bottom of stack to point at the first parameter, and our |
| // sp to point past those parameters (plus space for locals). |
| int target = READ8(); |
| const ByteCodeFunction* fun = byteCode->fFunctions[target].get(); |
| if (skvx::any(mask())) { |
| frames.push_back({ code, ip, stack, fun->fParameterCount }); |
| ip = code = fun->fCode.data(); |
| stack = sp - fun->fParameterCount + 1; |
| sp = stack + fun->fParameterCount + fun->fLocalCount - 1; |
| } |
| break; |
| } |
| |
| case ByteCodeInstruction::kCallExternal: { |
| int argumentCount = READ8(); |
| int returnCount = READ8(); |
| int target = READ8(); |
| ExternalValue* v = byteCode->fExternalValues[target]; |
| sp -= argumentCount - 1; |
| |
| float tmpArgs[4]; |
| float tmpReturn[4]; |
| SkASSERT(argumentCount <= (int)SK_ARRAY_COUNT(tmpArgs)); |
| SkASSERT(returnCount <= (int)SK_ARRAY_COUNT(tmpReturn)); |
| |
| I32 m = mask(); |
| for (int i = 0; i < VecWidth; ++i) { |
| if (m[i]) { |
| for (int j = 0; j < argumentCount; ++j) { |
| tmpArgs[j] = sp[j].fFloat[i]; |
| } |
| v->call(baseIndex + i, tmpArgs, tmpReturn); |
| for (int j = 0; j < returnCount; ++j) { |
| sp[j].fFloat[i] = tmpReturn[j]; |
| } |
| } |
| } |
| sp += returnCount - 1; |
| break; |
| } |
| |
| case ByteCodeInstruction::kClampIndex: { |
| int length = READ8(); |
| if (skvx::any(mask() & ((sp[0].fSigned < 0) | (sp[0].fSigned >= length)))) { |
| return false; |
| } |
| break; |
| } |
| |
| VECTOR_BINARY_OP(kCompareIEQ, fSigned, ==) |
| VECTOR_MATRIX_BINARY_OP(kCompareFEQ, fFloat, ==) |
| VECTOR_BINARY_OP(kCompareINEQ, fSigned, !=) |
| VECTOR_MATRIX_BINARY_OP(kCompareFNEQ, fFloat, !=) |
| VECTOR_BINARY_OP(kCompareSGT, fSigned, >) |
| VECTOR_BINARY_OP(kCompareUGT, fUnsigned, >) |
| VECTOR_BINARY_OP(kCompareFGT, fFloat, >) |
| VECTOR_BINARY_OP(kCompareSGTEQ, fSigned, >=) |
| VECTOR_BINARY_OP(kCompareUGTEQ, fUnsigned, >=) |
| VECTOR_BINARY_OP(kCompareFGTEQ, fFloat, >=) |
| VECTOR_BINARY_OP(kCompareSLT, fSigned, <) |
| VECTOR_BINARY_OP(kCompareULT, fUnsigned, <) |
| VECTOR_BINARY_OP(kCompareFLT, fFloat, <) |
| VECTOR_BINARY_OP(kCompareSLTEQ, fSigned, <=) |
| VECTOR_BINARY_OP(kCompareULTEQ, fUnsigned, <=) |
| VECTOR_BINARY_OP(kCompareFLTEQ, fFloat, <=) |
| |
| case ByteCodeInstruction::kConvertFtoI4: sp[-3] = skvx::cast<int>(sp[-3].fFloat); |
| case ByteCodeInstruction::kConvertFtoI3: sp[-2] = skvx::cast<int>(sp[-2].fFloat); |
| case ByteCodeInstruction::kConvertFtoI2: sp[-1] = skvx::cast<int>(sp[-1].fFloat); |
| case ByteCodeInstruction::kConvertFtoI: sp[ 0] = skvx::cast<int>(sp[ 0].fFloat); |
| break; |
| |
| case ByteCodeInstruction::kConvertStoF4: sp[-3] = skvx::cast<float>(sp[-3].fSigned); |
| case ByteCodeInstruction::kConvertStoF3: sp[-2] = skvx::cast<float>(sp[-2].fSigned); |
| case ByteCodeInstruction::kConvertStoF2: sp[-1] = skvx::cast<float>(sp[-1].fSigned); |
| case ByteCodeInstruction::kConvertStoF : sp[ 0] = skvx::cast<float>(sp[ 0].fSigned); |
| break; |
| |
| case ByteCodeInstruction::kConvertUtoF4: sp[-3] = skvx::cast<float>(sp[-3].fUnsigned); |
| case ByteCodeInstruction::kConvertUtoF3: sp[-2] = skvx::cast<float>(sp[-2].fUnsigned); |
| case ByteCodeInstruction::kConvertUtoF2: sp[-1] = skvx::cast<float>(sp[-1].fUnsigned); |
| case ByteCodeInstruction::kConvertUtoF : sp[ 0] = skvx::cast<float>(sp[ 0].fUnsigned); |
| break; |
| |
| VECTOR_UNARY_FN_VEC(kCos, cosf) |
| |
| VECTOR_BINARY_OP(kDivideS, fSigned, /) |
| VECTOR_BINARY_OP(kDivideU, fUnsigned, /) |
| VECTOR_MATRIX_BINARY_OP(kDivideF, fFloat, /) |
| |
| case ByteCodeInstruction::kDup4: PUSH(sp[(int)ByteCodeInstruction::kDup - (int)inst]); |
| case ByteCodeInstruction::kDup3: PUSH(sp[(int)ByteCodeInstruction::kDup - (int)inst]); |
| case ByteCodeInstruction::kDup2: PUSH(sp[(int)ByteCodeInstruction::kDup - (int)inst]); |
| case ByteCodeInstruction::kDup : PUSH(sp[(int)ByteCodeInstruction::kDup - (int)inst]); |
| break; |
| |
| case ByteCodeInstruction::kDupN: { |
| int count = READ8(); |
| memcpy(sp + 1, sp - count + 1, count * sizeof(VValue)); |
| sp += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kInverse2x2: { |
| F32 a = sp[-3].fFloat, |
| b = sp[-2].fFloat, |
| c = sp[-1].fFloat, |
| d = sp[ 0].fFloat; |
| F32 idet = F32(1) / (a*d - b*c); |
| sp[-3].fFloat = d * idet; |
| sp[-2].fFloat = -b * idet; |
| sp[-1].fFloat = -c * idet; |
| sp[ 0].fFloat = a * idet; |
| break; |
| } |
| case ByteCodeInstruction::kInverse3x3: { |
| F32 a11 = sp[-8].fFloat, a12 = sp[-5].fFloat, a13 = sp[-2].fFloat, |
| a21 = sp[-7].fFloat, a22 = sp[-4].fFloat, a23 = sp[-1].fFloat, |
| a31 = sp[-6].fFloat, a32 = sp[-3].fFloat, a33 = sp[ 0].fFloat; |
| F32 idet = F32(1) / (a11 * a22 * a33 + a12 * a23 * a31 + a13 * a21 * a32 - |
| a11 * a23 * a32 - a12 * a21 * a33 - a13 * a22 * a31); |
| sp[-8].fFloat = (a22 * a33 - a23 * a32) * idet; |
| sp[-7].fFloat = (a23 * a31 - a21 * a33) * idet; |
| sp[-6].fFloat = (a21 * a32 - a22 * a31) * idet; |
| sp[-5].fFloat = (a13 * a32 - a12 * a33) * idet; |
| sp[-4].fFloat = (a11 * a33 - a13 * a31) * idet; |
| sp[-3].fFloat = (a12 * a31 - a11 * a32) * idet; |
| sp[-2].fFloat = (a12 * a23 - a13 * a22) * idet; |
| sp[-1].fFloat = (a13 * a21 - a11 * a23) * idet; |
| sp[ 0].fFloat = (a11 * a22 - a12 * a21) * idet; |
| break; |
| } |
| case ByteCodeInstruction::kInverse4x4: { |
| F32 a00 = spf(-15), a10 = spf(-11), a20 = spf( -7), a30 = spf( -3), |
| a01 = spf(-14), a11 = spf(-10), a21 = spf( -6), a31 = spf( -2), |
| a02 = spf(-13), a12 = spf( -9), a22 = spf( -5), a32 = spf( -1), |
| a03 = spf(-12), a13 = spf( -8), a23 = spf( -4), a33 = spf( 0); |
| |
| F32 b00 = a00 * a11 - a01 * a10, |
| b01 = a00 * a12 - a02 * a10, |
| b02 = a00 * a13 - a03 * a10, |
| b03 = a01 * a12 - a02 * a11, |
| b04 = a01 * a13 - a03 * a11, |
| b05 = a02 * a13 - a03 * a12, |
| b06 = a20 * a31 - a21 * a30, |
| b07 = a20 * a32 - a22 * a30, |
| b08 = a20 * a33 - a23 * a30, |
| b09 = a21 * a32 - a22 * a31, |
| b10 = a21 * a33 - a23 * a31, |
| b11 = a22 * a33 - a23 * a32; |
| |
| F32 idet = F32(1) / |
| (b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06); |
| |
| b00 *= idet; |
| b01 *= idet; |
| b02 *= idet; |
| b03 *= idet; |
| b04 *= idet; |
| b05 *= idet; |
| b06 *= idet; |
| b07 *= idet; |
| b08 *= idet; |
| b09 *= idet; |
| b10 *= idet; |
| b11 *= idet; |
| |
| spf(-15) = a11 * b11 - a12 * b10 + a13 * b09; |
| spf(-14) = a02 * b10 - a01 * b11 - a03 * b09; |
| spf(-13) = a31 * b05 - a32 * b04 + a33 * b03; |
| spf(-12) = a22 * b04 - a21 * b05 - a23 * b03; |
| spf(-11) = a12 * b08 - a10 * b11 - a13 * b07; |
| spf(-10) = a00 * b11 - a02 * b08 + a03 * b07; |
| spf( -9) = a32 * b02 - a30 * b05 - a33 * b01; |
| spf( -8) = a20 * b05 - a22 * b02 + a23 * b01; |
| spf( -7) = a10 * b10 - a11 * b08 + a13 * b06; |
| spf( -6) = a01 * b08 - a00 * b10 - a03 * b06; |
| spf( -5) = a30 * b04 - a31 * b02 + a33 * b00; |
| spf( -4) = a21 * b02 - a20 * b04 - a23 * b00; |
| spf( -3) = a11 * b07 - a10 * b09 - a12 * b06; |
| spf( -2) = a00 * b09 - a01 * b07 + a02 * b06; |
| spf( -1) = a31 * b01 - a30 * b03 - a32 * b00; |
| spf( 0) = a20 * b03 - a21 * b01 + a22 * b00; |
| break; |
| } |
| |
| case ByteCodeInstruction::kLoad4: sp[4] = stack[*ip + 3]; |
| case ByteCodeInstruction::kLoad3: sp[3] = stack[*ip + 2]; |
| case ByteCodeInstruction::kLoad2: sp[2] = stack[*ip + 1]; |
| case ByteCodeInstruction::kLoad : sp[1] = stack[*ip + 0]; |
| ++ip; |
| sp += (int)inst - (int)ByteCodeInstruction::kLoad + 1; |
| break; |
| |
| case ByteCodeInstruction::kLoadGlobal4: sp[4] = globals[*ip + 3]; |
| case ByteCodeInstruction::kLoadGlobal3: sp[3] = globals[*ip + 2]; |
| case ByteCodeInstruction::kLoadGlobal2: sp[2] = globals[*ip + 1]; |
| case ByteCodeInstruction::kLoadGlobal : sp[1] = globals[*ip + 0]; |
| ++ip; |
| sp += (int)inst - |
| (int)ByteCodeInstruction::kLoadGlobal + 1; |
| break; |
| |
| case ByteCodeInstruction::kLoadExtended: { |
| int count = READ8(); |
| I32 src = POP().fSigned; |
| I32 m = mask(); |
| for (int i = 0; i < count; ++i) { |
| for (int j = 0; j < VecWidth; ++j) { |
| if (m[j]) { |
| sp[i + 1].fSigned[j] = stack[src[j] + i].fSigned[j]; |
| } |
| } |
| } |
| sp += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kLoadExtendedGlobal: { |
| int count = READ8(); |
| I32 src = POP().fSigned; |
| I32 m = mask(); |
| for (int i = 0; i < count; ++i) { |
| for (int j = 0; j < VecWidth; ++j) { |
| if (m[j]) { |
| sp[i + 1].fSigned[j] = globals[src[j] + i].fSigned[j]; |
| } |
| } |
| } |
| sp += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kLoadSwizzle: { |
| int src = READ8(); |
| int count = READ8(); |
| for (int i = 0; i < count; ++i) { |
| PUSH(stack[src + *(ip + i)]); |
| } |
| ip += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kLoadSwizzleGlobal: { |
| int src = READ8(); |
| int count = READ8(); |
| for (int i = 0; i < count; ++i) { |
| PUSH(globals[src + *(ip + i)]); |
| } |
| ip += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kMatrixToMatrix: { |
| int srcCols = READ8(); |
| int srcRows = READ8(); |
| int dstCols = READ8(); |
| int dstRows = READ8(); |
| SkASSERT(srcCols >= 2 && srcCols <= 4); |
| SkASSERT(srcRows >= 2 && srcRows <= 4); |
| SkASSERT(dstCols >= 2 && dstCols <= 4); |
| SkASSERT(dstRows >= 2 && dstRows <= 4); |
| F32 tmp[16]; |
| memset(tmp, 0, sizeof(tmp)); |
| tmp[0] = tmp[5] = tmp[10] = tmp[15] = F32(1.0f); |
| for (int c = srcCols - 1; c >= 0; --c) { |
| for (int r = srcRows - 1; r >= 0; --r) { |
| tmp[c*4 + r] = POP().fFloat; |
| } |
| } |
| for (int c = 0; c < dstCols; ++c) { |
| for (int r = 0; r < dstRows; ++r) { |
| PUSH(tmp[c*4 + r]); |
| } |
| } |
| break; |
| } |
| |
| case ByteCodeInstruction::kMatrixMultiply: { |
| int lCols = READ8(); |
| int lRows = READ8(); |
| int rCols = READ8(); |
| int rRows = lCols; |
| F32 tmp[16] = { 0.0f }; |
| F32* B = &(sp - (rCols * rRows) + 1)->fFloat; |
| F32* A = B - (lCols * lRows); |
| for (int c = 0; c < rCols; ++c) { |
| for (int r = 0; r < lRows; ++r) { |
| for (int j = 0; j < lCols; ++j) { |
| tmp[c*lRows + r] += A[j*lRows + r] * B[c*rRows + j]; |
| } |
| } |
| } |
| sp -= (lCols * lRows) + (rCols * rRows); |
| memcpy(sp + 1, tmp, rCols * lRows * sizeof(VValue)); |
| sp += (rCols * lRows); |
| break; |
| } |
| |
| VECTOR_BINARY_OP(kMultiplyI, fSigned, *) |
| VECTOR_MATRIX_BINARY_OP(kMultiplyF, fFloat, *) |
| |
| case ByteCodeInstruction::kNegateF4: sp[-3] = -sp[-3].fFloat; |
| case ByteCodeInstruction::kNegateF3: sp[-2] = -sp[-2].fFloat; |
| case ByteCodeInstruction::kNegateF2: sp[-1] = -sp[-1].fFloat; |
| case ByteCodeInstruction::kNegateF : sp[ 0] = -sp[ 0].fFloat; |
| break; |
| |
| case ByteCodeInstruction::kNegateFN: { |
| int count = READ8(); |
| for (int i = count - 1; i >= 0; --i) { |
| sp[-i] = -sp[-i].fFloat; |
| } |
| break; |
| } |
| |
| case ByteCodeInstruction::kNegateI4: sp[-3] = -sp[-3].fSigned; |
| case ByteCodeInstruction::kNegateI3: sp[-2] = -sp[-2].fSigned; |
| case ByteCodeInstruction::kNegateI2: sp[-1] = -sp[-1].fSigned; |
| case ByteCodeInstruction::kNegateI : sp[ 0] = -sp[ 0].fSigned; |
| break; |
| |
| case ByteCodeInstruction::kPop4: POP(); |
| case ByteCodeInstruction::kPop3: POP(); |
| case ByteCodeInstruction::kPop2: POP(); |
| case ByteCodeInstruction::kPop : POP(); |
| break; |
| |
| case ByteCodeInstruction::kPopN: |
| sp -= READ8(); |
| break; |
| |
| case ByteCodeInstruction::kPushImmediate: |
| PUSH(U32(READ32())); |
| break; |
| |
| case ByteCodeInstruction::kReadExternal: |
| case ByteCodeInstruction::kReadExternal2: |
| case ByteCodeInstruction::kReadExternal3: |
| case ByteCodeInstruction::kReadExternal4: { |
| int count = (int)inst - (int)ByteCodeInstruction::kReadExternal + 1; |
| int src = READ8(); |
| float tmp[4]; |
| I32 m = mask(); |
| for (int i = 0; i < VecWidth; ++i) { |
| if (m[i]) { |
| byteCode->fExternalValues[src]->read(baseIndex + i, tmp); |
| for (int j = 0; j < count; ++j) { |
| sp[j + 1].fFloat[i] = tmp[j]; |
| } |
| } |
| } |
| sp += count; |
| break; |
| } |
| |
| VECTOR_BINARY_FN(kRemainderF, fFloat, vec_mod<F32>) |
| VECTOR_BINARY_FN(kRemainderS, fSigned, vec_mod<I32>) |
| VECTOR_BINARY_FN(kRemainderU, fUnsigned, vec_mod<U32>) |
| |
| case ByteCodeInstruction::kReserve: |
| sp += READ8(); |
| break; |
| |
| case ByteCodeInstruction::kReturn: { |
| int count = READ8(); |
| if (frames.empty()) { |
| if (outReturn) { |
| VValue* src = sp - count + 1; |
| if (stripedOutput) { |
| for (int i = 0; i < count; ++i) { |
| memcpy(outReturn[i], &src->fFloat, N * sizeof(float)); |
| ++src; |
| } |
| } else { |
| float* outPtr = outReturn[0]; |
| for (int i = 0; i < count; ++i) { |
| for (int j = 0; j < N; ++j) { |
| outPtr[count * j] = src->fFloat[j]; |
| } |
| ++outPtr; |
| ++src; |
| } |
| } |
| } |
| return true; |
| } else { |
| // When we were called, the caller reserved stack space for their copy of our |
| // return value, then 'stack' was positioned after that, where our parameters |
| // were placed. Copy our return values to their reserved area. |
| memcpy(stack - count, sp - count + 1, count * sizeof(VValue)); |
| |
| // Now move the stack pointer to the end of the passed-in parameters. This odd |
| // calling convention requires the caller to pop the arguments after calling, |
| // but allows them to store any out-parameters back during that unwinding. |
| // After that sequence finishes, the return value will be the top of the stack. |
| const StackFrame& frame(frames.back()); |
| sp = stack + frame.fParameterCount - 1; |
| stack = frame.fStack; |
| code = frame.fCode; |
| ip = frame.fIP; |
| frames.pop_back(); |
| break; |
| } |
| } |
| |
| case ByteCodeInstruction::kScalarToMatrix: { |
| int cols = READ8(); |
| int rows = READ8(); |
| VValue v = POP(); |
| for (int c = 0; c < cols; ++c) { |
| for (int r = 0; r < rows; ++r) { |
| PUSH(c == r ? v : F32(0.0f)); |
| } |
| } |
| break; |
| } |
| |
| VECTOR_UNARY_FN_VEC(kSin, sinf) |
| VECTOR_UNARY_FN(kSqrt, skvx::sqrt, fFloat) |
| |
| case ByteCodeInstruction::kStore4: |
| stack[*ip+3] = skvx::if_then_else(mask(), POP().fFloat, stack[*ip+3].fFloat); |
| case ByteCodeInstruction::kStore3: |
| stack[*ip+2] = skvx::if_then_else(mask(), POP().fFloat, stack[*ip+2].fFloat); |
| case ByteCodeInstruction::kStore2: |
| stack[*ip+1] = skvx::if_then_else(mask(), POP().fFloat, stack[*ip+1].fFloat); |
| case ByteCodeInstruction::kStore : |
| stack[*ip+0] = skvx::if_then_else(mask(), POP().fFloat, stack[*ip+0].fFloat); |
| ++ip; |
| break; |
| |
| case ByteCodeInstruction::kStoreGlobal4: |
| globals[*ip+3] = skvx::if_then_else(mask(), POP().fFloat, globals[*ip+3].fFloat); |
| case ByteCodeInstruction::kStoreGlobal3: |
| globals[*ip+2] = skvx::if_then_else(mask(), POP().fFloat, globals[*ip+2].fFloat); |
| case ByteCodeInstruction::kStoreGlobal2: |
| globals[*ip+1] = skvx::if_then_else(mask(), POP().fFloat, globals[*ip+1].fFloat); |
| case ByteCodeInstruction::kStoreGlobal : |
| globals[*ip+0] = skvx::if_then_else(mask(), POP().fFloat, globals[*ip+0].fFloat); |
| ++ip; |
| break; |
| |
| case ByteCodeInstruction::kStoreExtended: { |
| int count = READ8(); |
| I32 target = POP().fSigned; |
| VValue* src = sp - count + 1; |
| I32 m = mask(); |
| for (int i = 0; i < count; ++i) { |
| for (int j = 0; j < VecWidth; ++j) { |
| if (m[j]) { |
| stack[target[j] + i].fSigned[j] = src[i].fSigned[j]; |
| } |
| } |
| } |
| sp -= count; |
| break; |
| } |
| case ByteCodeInstruction::kStoreExtendedGlobal: { |
| int count = READ8(); |
| I32 target = POP().fSigned; |
| VValue* src = sp - count + 1; |
| I32 m = mask(); |
| for (int i = 0; i < count; ++i) { |
| for (int j = 0; j < VecWidth; ++j) { |
| if (m[j]) { |
| globals[target[j] + i].fSigned[j] = src[i].fSigned[j]; |
| } |
| } |
| } |
| sp -= count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kStoreSwizzle: { |
| int target = READ8(); |
| int count = READ8(); |
| for (int i = count - 1; i >= 0; --i) { |
| stack[target + *(ip + i)] = skvx::if_then_else( |
| mask(), POP().fFloat, stack[target + *(ip + i)].fFloat); |
| } |
| ip += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kStoreSwizzleGlobal: { |
| int target = READ8(); |
| int count = READ8(); |
| for (int i = count - 1; i >= 0; --i) { |
| globals[target + *(ip + i)] = skvx::if_then_else( |
| mask(), POP().fFloat, globals[target + *(ip + i)].fFloat); |
| } |
| ip += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kStoreSwizzleIndirect: { |
| int count = READ8(); |
| I32 target = POP().fSigned; |
| I32 m = mask(); |
| for (int i = count - 1; i >= 0; --i) { |
| I32 v = POP().fSigned; |
| for (int j = 0; j < VecWidth; ++j) { |
| if (m[j]) { |
| stack[target[j] + *(ip + i)].fSigned[j] = v[j]; |
| } |
| } |
| } |
| ip += count; |
| break; |
| } |
| |
| case ByteCodeInstruction::kStoreSwizzleIndirectGlobal: { |
| int count = READ8(); |
| I32 target = POP().fSigned; |
| I32 m = mask(); |
| for (int i = count - 1; i >= 0; --i) { |
| I32 v = POP().fSigned; |
| for (int j = 0; j < VecWidth; ++j) { |
| if (m[j]) { |
| globals[target[j] + *(ip + i)].fSigned[j] = v[j]; |
| } |
| } |
| } |
| ip += count; |
| break; |
| } |
| |
| VECTOR_BINARY_OP(kSubtractI, fSigned, -) |
| VECTOR_MATRIX_BINARY_OP(kSubtractF, fFloat, -) |
| |
| case ByteCodeInstruction::kSwizzle: { |
| VValue tmp[4]; |
| for (int i = READ8() - 1; i >= 0; --i) { |
| tmp[i] = POP(); |
| } |
| for (int i = READ8() - 1; i >= 0; --i) { |
| PUSH(tmp[READ8()]); |
| } |
| break; |
| } |
| |
| VECTOR_UNARY_FN_VEC(kTan, tanf) |
| |
| case ByteCodeInstruction::kWriteExternal: |
| case ByteCodeInstruction::kWriteExternal2: |
| case ByteCodeInstruction::kWriteExternal3: |
| case ByteCodeInstruction::kWriteExternal4: { |
| int count = (int)inst - (int)ByteCodeInstruction::kWriteExternal + 1; |
| int target = READ8(); |
| float tmp[4]; |
| I32 m = mask(); |
| sp -= count; |
| for (int i = 0; i < VecWidth; ++i) { |
| if (m[i]) { |
| for (int j = 0; j < count; ++j) { |
| tmp[j] = sp[j + 1].fFloat[i]; |
| } |
| byteCode->fExternalValues[target]->write(baseIndex + i, tmp); |
| } |
| } |
| break; |
| } |
| |
| case ByteCodeInstruction::kMaskPush: |
| condPtr[1] = POP().fSigned; |
| maskPtr[1] = maskPtr[0] & condPtr[1]; |
| ++condPtr; ++maskPtr; |
| break; |
| case ByteCodeInstruction::kMaskPop: |
| --condPtr; --maskPtr; |
| break; |
| case ByteCodeInstruction::kMaskNegate: |
| maskPtr[0] = maskPtr[-1] & ~condPtr[0]; |
| break; |
| case ByteCodeInstruction::kMaskBlend: { |
| int count = READ8(); |
| I32 m = condPtr[0]; |
| --condPtr; --maskPtr; |
| for (int i = 0; i < count; ++i) { |
| sp[-count] = skvx::if_then_else(m, sp[-count].fFloat, sp[0].fFloat); |
| --sp; |
| } |
| break; |
| } |
| case ByteCodeInstruction::kBranchIfAllFalse: { |
| int target = READ16(); |
| if (!skvx::any(mask())) { |
| ip = code + target; |
| } |
| break; |
| } |
| |
| case ByteCodeInstruction::kLoopBegin: |
| contPtr[1] = 0; |
| loopPtr[1] = loopPtr[0]; |
| ++contPtr; ++loopPtr; |
| break; |
| case ByteCodeInstruction::kLoopNext: |
| *loopPtr |= *contPtr; |
| *contPtr = 0; |
| break; |
| case ByteCodeInstruction::kLoopMask: |
| *loopPtr &= POP().fSigned; |
| break; |
| case ByteCodeInstruction::kLoopEnd: |
| --contPtr; --loopPtr; |
| break; |
| case ByteCodeInstruction::kLoopBreak: |
| *loopPtr &= ~mask(); |
| break; |
| case ByteCodeInstruction::kLoopContinue: { |
| I32 m = mask(); |
| *contPtr |= m; |
| *loopPtr &= ~m; |
| break; |
| } |
| |
| default: |
| SkDEBUGFAILF("unsupported instruction %d\n", (int) inst); |
| return false; |
| } |
| } |
| // Unreachable |
| return false; |
| } |
| |
| } // namespace Interpreter |
| |
| #endif // SK_ENABLE_SKSL_INTERPRETER |
| |
| #undef spf |
| |
| void ByteCodeFunction::disassemble() const { |
| #if defined(SK_ENABLE_SKSL_INTERPRETER) |
| const uint8_t* ip = fCode.data(); |
| while (ip < fCode.data() + fCode.size()) { |
| printf("%d: ", (int)(ip - fCode.data())); |
| ip = Interpreter::disassemble_instruction(ip); |
| printf("\n"); |
| } |
| #endif |
| } |
| |
| bool ByteCode::run(const ByteCodeFunction* f, float* args, float* outReturn, int N, |
| const float* uniforms, int uniformCount) const { |
| #if defined(SK_ENABLE_SKSL_INTERPRETER) |
| #ifdef TRACE |
| f->disassemble(); |
| #endif |
| Interpreter::VValue stack[128]; |
| int stackNeeded = f->fParameterCount + f->fLocalCount + f->fStackCount; |
| if (stackNeeded > (int)SK_ARRAY_COUNT(stack)) { |
| return false; |
| } |
| |
| if (uniformCount != (int)fInputSlots.size()) { |
| return false; |
| } |
| |
| Interpreter::VValue globals[32]; |
| if (fGlobalCount > (int)SK_ARRAY_COUNT(globals)) { |
| return false; |
| } |
| for (uint8_t slot : fInputSlots) { |
| globals[slot].fFloat = *uniforms++; |
| } |
| |
| int baseIndex = 0; |
| |
| while (N) { |
| int w = std::min(N, Interpreter::VecWidth); |
| |
| // Transpose args into stack |
| { |
| float* src = args; |
| for (int i = 0; i < w; ++i) { |
| float* dst = (float*)stack + i; |
| for (int j = f->fParameterCount; j > 0; --j) { |
| *dst = *src++; |
| dst += Interpreter::VecWidth; |
| } |
| } |
| } |
| |
| bool stripedOutput = false; |
| float** outArray = outReturn ? &outReturn : nullptr; |
| if (!innerRun(this, f, stack, outArray, globals, stripedOutput, w, baseIndex)) { |
| return false; |
| } |
| |
| // Transpose out parameters back |
| { |
| float* dst = args; |
| for (int i = 0; i < w; ++i) { |
| float* src = (float*)stack + i; |
| for (const auto& p : f->fParameters) { |
| if (p.fIsOutParameter) { |
| for (int j = p.fSlotCount; j > 0; --j) { |
| *dst++ = *src; |
| src += Interpreter::VecWidth; |
| } |
| } else { |
| dst += p.fSlotCount; |
| src += p.fSlotCount * Interpreter::VecWidth; |
| } |
| } |
| } |
| } |
| |
| args += f->fParameterCount * w; |
| if (outReturn) { |
| outReturn += f->fReturnCount * w; |
| } |
| N -= w; |
| baseIndex += w; |
| } |
| return true; |
| #else |
| SkDEBUGFAIL("ByteCode interpreter not enabled"); |
| return false; |
| #endif |
| } |
| |
| bool ByteCode::runStriped(const ByteCodeFunction* f, float* args[], int nargs, int N, |
| const float* uniforms, int uniformCount, |
| float* outArgs[], int outCount) const { |
| #if defined(SK_ENABLE_SKSL_INTERPRETER) |
| #ifdef TRACE |
| f->disassemble(); |
| #endif |
| Interpreter::VValue stack[128]; |
| int stackNeeded = f->fParameterCount + f->fLocalCount + f->fStackCount; |
| if (stackNeeded > (int)SK_ARRAY_COUNT(stack)) { |
| return false; |
| } |
| |
| if (nargs != f->fParameterCount || |
| outCount != f->fReturnCount || |
| uniformCount != (int)fInputSlots.size()) { |
| return false; |
| } |
| |
| Interpreter::VValue globals[32]; |
| if (fGlobalCount > (int)SK_ARRAY_COUNT(globals)) { |
| return false; |
| } |
| for (uint8_t slot : fInputSlots) { |
| globals[slot].fFloat = *uniforms++; |
| } |
| |
| // innerRun just takes outArgs, so clear it if the count is zero |
| if (outCount == 0) { |
| outArgs = nullptr; |
| } |
| |
| int baseIndex = 0; |
| |
| while (N) { |
| int w = std::min(N, Interpreter::VecWidth); |
| |
| // Copy args into stack |
| for (int i = 0; i < nargs; ++i) { |
| memcpy(stack + i, args[i], w * sizeof(float)); |
| } |
| |
| bool stripedOutput = true; |
| if (!innerRun(this, f, stack, outArgs, globals, stripedOutput, w, baseIndex)) { |
| return false; |
| } |
| |
| // Copy out parameters back |
| int slot = 0; |
| for (const auto& p : f->fParameters) { |
| if (p.fIsOutParameter) { |
| for (int i = slot; i < slot + p.fSlotCount; ++i) { |
| memcpy(args[i], stack + i, w * sizeof(float)); |
| } |
| } |
| slot += p.fSlotCount; |
| } |
| |
| // Step each argument pointer ahead |
| for (int i = 0; i < nargs; ++i) { |
| args[i] += w; |
| } |
| N -= w; |
| baseIndex += w; |
| } |
| |
| return true; |
| #else |
| SkDEBUGFAIL("ByteCode interpreter not enabled"); |
| return false; |
| #endif |
| } |
| |
| } // namespace SkSL |
| |
| #endif |
