summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp')
-rw-r--r--src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp551
1 files changed, 147 insertions, 404 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp b/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp
index 50e15cbc28..e78d86d00a 100644
--- a/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp
+++ b/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulatorHLSL.cpp
@@ -8,434 +8,177 @@
#include "compiler/translator/BuiltInFunctionEmulator.h"
#include "compiler/translator/BuiltInFunctionEmulatorHLSL.h"
#include "compiler/translator/SymbolTable.h"
+#include "compiler/translator/VersionGLSL.h"
-void InitBuiltInFunctionEmulatorForHLSL(BuiltInFunctionEmulator *emu)
+namespace sh
+{
+
+// Defined in emulated_builtin_functions_hlsl_autogen.cpp.
+const char *FindHLSLFunction(const FunctionId &functionID);
+
+void InitBuiltInIsnanFunctionEmulatorForHLSLWorkarounds(BuiltInFunctionEmulator *emu,
+ int targetGLSLVersion)
{
+ if (targetGLSLVersion < GLSL_VERSION_130)
+ return;
+
TType *float1 = new TType(EbtFloat);
TType *float2 = new TType(EbtFloat, 2);
TType *float3 = new TType(EbtFloat, 3);
TType *float4 = new TType(EbtFloat, 4);
- emu->addEmulatedFunction(EOpMod, float1, float1,
- "float webgl_mod_emu(float x, float y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpMod, float2, float2,
- "float2 webgl_mod_emu(float2 x, float2 y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpMod, float2, float1,
- "float2 webgl_mod_emu(float2 x, float y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpMod, float3, float3,
- "float3 webgl_mod_emu(float3 x, float3 y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpMod, float3, float1,
- "float3 webgl_mod_emu(float3 x, float y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpMod, float4, float4,
- "float4 webgl_mod_emu(float4 x, float4 y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpMod, float4, float1,
- "float4 webgl_mod_emu(float4 x, float y)\n"
- "{\n"
- " return x - y * floor(x / y);\n"
- "}\n"
- "\n");
+ emu->addEmulatedFunction(EOpIsNan, float1,
+ "bool isnan_emu(float x)\n"
+ "{\n"
+ " return (x > 0.0 || x < 0.0) ? false : x != 0.0;\n"
+ "}\n"
+ "\n");
- emu->addEmulatedFunction(EOpFaceForward, float1, float1, float1,
- "float webgl_faceforward_emu(float N, float I, float Nref)\n"
+ emu->addEmulatedFunction(
+ EOpIsNan, float2,
+ "bool2 isnan_emu(float2 x)\n"
"{\n"
- " if(dot(Nref, I) >= 0)\n"
+ " bool2 isnan;\n"
+ " for (int i = 0; i < 2; i++)\n"
" {\n"
- " return -N;\n"
+ " isnan[i] = (x[i] > 0.0 || x[i] < 0.0) ? false : x[i] != 0.0;\n"
" }\n"
- " else\n"
- " {\n"
- " return N;\n"
- " }\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpFaceForward, float2, float2, float2,
- "float2 webgl_faceforward_emu(float2 N, float2 I, float2 Nref)\n"
- "{\n"
- " if(dot(Nref, I) >= 0)\n"
- " {\n"
- " return -N;\n"
- " }\n"
- " else\n"
- " {\n"
- " return N;\n"
- " }\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpFaceForward, float3, float3, float3,
- "float3 webgl_faceforward_emu(float3 N, float3 I, float3 Nref)\n"
+ " return isnan;\n"
+ "}\n");
+
+ emu->addEmulatedFunction(
+ EOpIsNan, float3,
+ "bool3 isnan_emu(float3 x)\n"
"{\n"
- " if(dot(Nref, I) >= 0)\n"
+ " bool3 isnan;\n"
+ " for (int i = 0; i < 3; i++)\n"
" {\n"
- " return -N;\n"
+ " isnan[i] = (x[i] > 0.0 || x[i] < 0.0) ? false : x[i] != 0.0;\n"
" }\n"
- " else\n"
- " {\n"
- " return N;\n"
- " }\n"
- "}\n"
- "\n");
- emu->addEmulatedFunction(EOpFaceForward, float4, float4, float4,
- "float4 webgl_faceforward_emu(float4 N, float4 I, float4 Nref)\n"
+ " return isnan;\n"
+ "}\n");
+
+ emu->addEmulatedFunction(
+ EOpIsNan, float4,
+ "bool4 isnan_emu(float4 x)\n"
"{\n"
- " if(dot(Nref, I) >= 0)\n"
- " {\n"
- " return -N;\n"
- " }\n"
- " else\n"
+ " bool4 isnan;\n"
+ " for (int i = 0; i < 4; i++)\n"
" {\n"
- " return N;\n"
+ " isnan[i] = (x[i] > 0.0 || x[i] < 0.0) ? false : x[i] != 0.0;\n"
" }\n"
- "}\n"
- "\n");
-
- emu->addEmulatedFunction(EOpAtan, float1, float1,
- "float webgl_atan_emu(float y, float x)\n"
- "{\n"
- " if(x == 0 && y == 0) x = 1;\n" // Avoid producing a NaN
- " return atan2(y, x);\n"
- "}\n");
- emu->addEmulatedFunction(EOpAtan, float2, float2,
- "float2 webgl_atan_emu(float2 y, float2 x)\n"
- "{\n"
- " if(x[0] == 0 && y[0] == 0) x[0] = 1;\n"
- " if(x[1] == 0 && y[1] == 0) x[1] = 1;\n"
- " return float2(atan2(y[0], x[0]), atan2(y[1], x[1]));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAtan, float3, float3,
- "float3 webgl_atan_emu(float3 y, float3 x)\n"
- "{\n"
- " if(x[0] == 0 && y[0] == 0) x[0] = 1;\n"
- " if(x[1] == 0 && y[1] == 0) x[1] = 1;\n"
- " if(x[2] == 0 && y[2] == 0) x[2] = 1;\n"
- " return float3(atan2(y[0], x[0]), atan2(y[1], x[1]), atan2(y[2], x[2]));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAtan, float4, float4,
- "float4 webgl_atan_emu(float4 y, float4 x)\n"
- "{\n"
- " if(x[0] == 0 && y[0] == 0) x[0] = 1;\n"
- " if(x[1] == 0 && y[1] == 0) x[1] = 1;\n"
- " if(x[2] == 0 && y[2] == 0) x[2] = 1;\n"
- " if(x[3] == 0 && y[3] == 0) x[3] = 1;\n"
- " return float4(atan2(y[0], x[0]), atan2(y[1], x[1]), atan2(y[2], x[2]), atan2(y[3], x[3]));\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpAsinh, float1,
- "float webgl_asinh_emu(in float x) {\n"
- " return log(x + sqrt(pow(x, 2.0) + 1.0));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAsinh, float2,
- "float2 webgl_asinh_emu(in float2 x) {\n"
- " return log(x + sqrt(pow(x, 2.0) + 1.0));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAsinh, float3,
- "float3 webgl_asinh_emu(in float3 x) {\n"
- " return log(x + sqrt(pow(x, 2.0) + 1.0));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAsinh, float4,
- "float4 webgl_asinh_emu(in float4 x) {\n"
- " return log(x + sqrt(pow(x, 2.0) + 1.0));\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpAcosh, float1,
- "float webgl_acosh_emu(in float x) {\n"
- " return log(x + sqrt(x + 1.0) * sqrt(x - 1.0));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAcosh, float2,
- "float2 webgl_acosh_emu(in float2 x) {\n"
- " return log(x + sqrt(x + 1.0) * sqrt(x - 1.0));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAcosh, float3,
- "float3 webgl_acosh_emu(in float3 x) {\n"
- " return log(x + sqrt(x + 1.0) * sqrt(x - 1.0));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAcosh, float4,
- "float4 webgl_acosh_emu(in float4 x) {\n"
- " return log(x + sqrt(x + 1.0) * sqrt(x - 1.0));\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpAtanh, float1,
- "float webgl_atanh_emu(in float x) {\n"
- " return 0.5 * log((1.0 + x) / (1.0 - x));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAtanh, float2,
- "float2 webgl_atanh_emu(in float2 x) {\n"
- " return 0.5 * log((1.0 + x) / (1.0 - x));\n"
+ " return isnan;\n"
"}\n");
- emu->addEmulatedFunction(EOpAtanh, float3,
- "float3 webgl_atanh_emu(in float3 x) {\n"
- " return 0.5 * log((1.0 + x) / (1.0 - x));\n"
- "}\n");
- emu->addEmulatedFunction(EOpAtanh, float4,
- "float4 webgl_atanh_emu(in float4 x) {\n"
- " return 0.5 * log((1.0 + x) / (1.0 - x));\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpRoundEven, float1,
- "float webgl_roundEven_emu(in float x) {\n"
- " return (frac(x) == 0.5 && trunc(x) % 2.0 == 0.0) ? trunc(x) : round(x);\n"
- "}\n");
- emu->addEmulatedFunction(EOpRoundEven, float2,
- "float2 webgl_roundEven_emu(in float2 x) {\n"
- " float2 v;\n"
- " v[0] = (frac(x[0]) == 0.5 && trunc(x[0]) % 2.0 == 0.0) ? trunc(x[0]) : round(x[0]);\n"
- " v[1] = (frac(x[1]) == 0.5 && trunc(x[1]) % 2.0 == 0.0) ? trunc(x[1]) : round(x[1]);\n"
- " return v;\n"
- "}\n");
- emu->addEmulatedFunction(EOpRoundEven, float3,
- "float3 webgl_roundEven_emu(in float3 x) {\n"
- " float3 v;\n"
- " v[0] = (frac(x[0]) == 0.5 && trunc(x[0]) % 2.0 == 0.0) ? trunc(x[0]) : round(x[0]);\n"
- " v[1] = (frac(x[1]) == 0.5 && trunc(x[1]) % 2.0 == 0.0) ? trunc(x[1]) : round(x[1]);\n"
- " v[2] = (frac(x[2]) == 0.5 && trunc(x[2]) % 2.0 == 0.0) ? trunc(x[2]) : round(x[2]);\n"
- " return v;\n"
- "}\n");
- emu->addEmulatedFunction(EOpRoundEven, float4,
- "float4 webgl_roundEven_emu(in float4 x) {\n"
- " float4 v;\n"
- " v[0] = (frac(x[0]) == 0.5 && trunc(x[0]) % 2.0 == 0.0) ? trunc(x[0]) : round(x[0]);\n"
- " v[1] = (frac(x[1]) == 0.5 && trunc(x[1]) % 2.0 == 0.0) ? trunc(x[1]) : round(x[1]);\n"
- " v[2] = (frac(x[2]) == 0.5 && trunc(x[2]) % 2.0 == 0.0) ? trunc(x[2]) : round(x[2]);\n"
- " v[3] = (frac(x[3]) == 0.5 && trunc(x[3]) % 2.0 == 0.0) ? trunc(x[3]) : round(x[3]);\n"
- " return v;\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpPackSnorm2x16, float2,
- "int webgl_toSnorm(in float x) {\n"
- " return int(round(clamp(x, -1.0, 1.0) * 32767.0));\n"
- "}\n"
- "\n"
- "uint webgl_packSnorm2x16_emu(in float2 v) {\n"
- " int x = webgl_toSnorm(v.x);\n"
- " int y = webgl_toSnorm(v.y);\n"
- " return (asuint(y) << 16) | (asuint(x) & 0xffffu);\n"
- "}\n");
- emu->addEmulatedFunction(EOpPackUnorm2x16, float2,
- "uint webgl_toUnorm(in float x) {\n"
- " return uint(round(clamp(x, 0.0, 1.0) * 65535.0));\n"
- "}\n"
- "\n"
- "uint webgl_packUnorm2x16_emu(in float2 v) {\n"
- " uint x = webgl_toUnorm(v.x);\n"
- " uint y = webgl_toUnorm(v.y);\n"
- " return (y << 16) | x;\n"
- "}\n");
- emu->addEmulatedFunction(EOpPackHalf2x16, float2,
- "uint webgl_packHalf2x16_emu(in float2 v) {\n"
- " uint x = f32tof16(v.x);\n"
- " uint y = f32tof16(v.y);\n"
- " return (y << 16) | x;\n"
- "}\n");
-
- TType *uint1 = new TType(EbtUInt);
-
- emu->addEmulatedFunction(EOpUnpackSnorm2x16, uint1,
- "float webgl_fromSnorm(in uint x) {\n"
- " int xi = asint(x & 0x7fffu) - asint(x & 0x8000u);\n"
- " return clamp(float(xi) / 32767.0, -1.0, 1.0);\n"
- "}\n"
- "\n"
- "float2 webgl_unpackSnorm2x16_emu(in uint u) {\n"
- " uint y = (u >> 16);\n"
- " uint x = u;\n"
- " return float2(webgl_fromSnorm(x), webgl_fromSnorm(y));\n"
- "}\n");
- emu->addEmulatedFunction(EOpUnpackUnorm2x16, uint1,
- "float webgl_fromUnorm(in uint x) {\n"
- " return float(x) / 65535.0;\n"
- "}\n"
- "\n"
- "float2 webgl_unpackUnorm2x16_emu(in uint u) {\n"
- " uint y = (u >> 16);\n"
- " uint x = u & 0xffffu;\n"
- " return float2(webgl_fromUnorm(x), webgl_fromUnorm(y));\n"
- "}\n");
- emu->addEmulatedFunction(EOpUnpackHalf2x16, uint1,
- "float2 webgl_unpackHalf2x16_emu(in uint u) {\n"
- " uint y = (u >> 16);\n"
- " uint x = u & 0xffffu;\n"
- " return float2(f16tof32(x), f16tof32(y));\n"
- "}\n");
-
- // The matrix resulting from outer product needs to be transposed
- // (matrices are stored as transposed to simplify element access in HLSL).
- // So the function should return transpose(c * r) where c is a column vector
- // and r is a row vector. This can be simplified by using the following
- // formula:
- // transpose(c * r) = transpose(r) * transpose(c)
- // transpose(r) and transpose(c) are in a sense free, since to get the
- // transpose of r, we simply can build a column matrix out of the original
- // vector instead of a row matrix.
- emu->addEmulatedFunction(EOpOuterProduct, float2, float2,
- "float2x2 webgl_outerProduct_emu(in float2 c, in float2 r) {\n"
- " return mul(float2x1(r), float1x2(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float3, float3,
- "float3x3 webgl_outerProduct_emu(in float3 c, in float3 r) {\n"
- " return mul(float3x1(r), float1x3(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float4, float4,
- "float4x4 webgl_outerProduct_emu(in float4 c, in float4 r) {\n"
- " return mul(float4x1(r), float1x4(c));\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpOuterProduct, float3, float2,
- "float2x3 webgl_outerProduct_emu(in float3 c, in float2 r) {\n"
- " return mul(float2x1(r), float1x3(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float2, float3,
- "float3x2 webgl_outerProduct_emu(in float2 c, in float3 r) {\n"
- " return mul(float3x1(r), float1x2(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float4, float2,
- "float2x4 webgl_outerProduct_emu(in float4 c, in float2 r) {\n"
- " return mul(float2x1(r), float1x4(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float2, float4,
- "float4x2 webgl_outerProduct_emu(in float2 c, in float4 r) {\n"
- " return mul(float4x1(r), float1x2(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float4, float3,
- "float3x4 webgl_outerProduct_emu(in float4 c, in float3 r) {\n"
- " return mul(float3x1(r), float1x4(c));\n"
- "}\n");
- emu->addEmulatedFunction(EOpOuterProduct, float3, float4,
- "float4x3 webgl_outerProduct_emu(in float3 c, in float4 r) {\n"
- " return mul(float4x1(r), float1x3(c));\n"
- "}\n");
-
- TType *mat2 = new TType(EbtFloat, 2, 2);
- TType *mat3 = new TType(EbtFloat, 3, 3);
- TType *mat4 = new TType(EbtFloat, 4, 4);
-
- // Remember here that the parameter matrix is actually the transpose
- // of the matrix that we're trying to invert, and the resulting matrix
- // should also be the transpose of the inverse.
-
- // When accessing the parameter matrix with m[a][b] it can be thought of so
- // that a is the column and b is the row of the matrix that we're inverting.
-
- // We calculate the inverse as the adjugate matrix divided by the
- // determinant of the matrix being inverted. However, as the result needs
- // to be transposed, we actually use of the transpose of the adjugate matrix
- // which happens to be the cofactor matrix. That's stored in "cof".
-
- // We don't need to care about divide-by-zero since results are undefined
- // for singular or poorly-conditioned matrices.
-
- emu->addEmulatedFunction(EOpInverse, mat2,
- "float2x2 webgl_inverse_emu(in float2x2 m) {\n"
- " float2x2 cof = { m[1][1], -m[0][1], -m[1][0], m[0][0] };\n"
- " return cof / determinant(transpose(m));\n"
- "}\n");
-
- // cofAB is the cofactor for column A and row B.
-
- emu->addEmulatedFunction(EOpInverse, mat3,
- "float3x3 webgl_inverse_emu(in float3x3 m) {\n"
- " float cof00 = m[1][1] * m[2][2] - m[2][1] * m[1][2];\n"
- " float cof01 = -(m[1][0] * m[2][2] - m[2][0] * m[1][2]);\n"
- " float cof02 = m[1][0] * m[2][1] - m[2][0] * m[1][1];\n"
- " float cof10 = -(m[0][1] * m[2][2] - m[2][1] * m[0][2]);\n"
- " float cof11 = m[0][0] * m[2][2] - m[2][0] * m[0][2];\n"
- " float cof12 = -(m[0][0] * m[2][1] - m[2][0] * m[0][1]);\n"
- " float cof20 = m[0][1] * m[1][2] - m[1][1] * m[0][2];\n"
- " float cof21 = -(m[0][0] * m[1][2] - m[1][0] * m[0][2]);\n"
- " float cof22 = m[0][0] * m[1][1] - m[1][0] * m[0][1];\n"
- " float3x3 cof = { cof00, cof10, cof20, cof01, cof11, cof21, cof02, cof12, cof22 };\n"
- " return cof / determinant(transpose(m));\n"
- "}\n");
-
- emu->addEmulatedFunction(EOpInverse, mat4,
- "float4x4 webgl_inverse_emu(in float4x4 m) {\n"
- " float cof00 = m[1][1] * m[2][2] * m[3][3] + m[2][1] * m[3][2] * m[1][3] + m[3][1] * m[1][2] * m[2][3]"
- " - m[1][1] * m[3][2] * m[2][3] - m[2][1] * m[1][2] * m[3][3] - m[3][1] * m[2][2] * m[1][3];\n"
- " float cof01 = -(m[1][0] * m[2][2] * m[3][3] + m[2][0] * m[3][2] * m[1][3] + m[3][0] * m[1][2] * m[2][3]"
- " - m[1][0] * m[3][2] * m[2][3] - m[2][0] * m[1][2] * m[3][3] - m[3][0] * m[2][2] * m[1][3]);\n"
- " float cof02 = m[1][0] * m[2][1] * m[3][3] + m[2][0] * m[3][1] * m[1][3] + m[3][0] * m[1][1] * m[2][3]"
- " - m[1][0] * m[3][1] * m[2][3] - m[2][0] * m[1][1] * m[3][3] - m[3][0] * m[2][1] * m[1][3];\n"
- " float cof03 = -(m[1][0] * m[2][1] * m[3][2] + m[2][0] * m[3][1] * m[1][2] + m[3][0] * m[1][1] * m[2][2]"
- " - m[1][0] * m[3][1] * m[2][2] - m[2][0] * m[1][1] * m[3][2] - m[3][0] * m[2][1] * m[1][2]);\n"
- " float cof10 = -(m[0][1] * m[2][2] * m[3][3] + m[2][1] * m[3][2] * m[0][3] + m[3][1] * m[0][2] * m[2][3]"
- " - m[0][1] * m[3][2] * m[2][3] - m[2][1] * m[0][2] * m[3][3] - m[3][1] * m[2][2] * m[0][3]);\n"
- " float cof11 = m[0][0] * m[2][2] * m[3][3] + m[2][0] * m[3][2] * m[0][3] + m[3][0] * m[0][2] * m[2][3]"
- " - m[0][0] * m[3][2] * m[2][3] - m[2][0] * m[0][2] * m[3][3] - m[3][0] * m[2][2] * m[0][3];\n"
- " float cof12 = -(m[0][0] * m[2][1] * m[3][3] + m[2][0] * m[3][1] * m[0][3] + m[3][0] * m[0][1] * m[2][3]"
- " - m[0][0] * m[3][1] * m[2][3] - m[2][0] * m[0][1] * m[3][3] - m[3][0] * m[2][1] * m[0][3]);\n"
- " float cof13 = m[0][0] * m[2][1] * m[3][2] + m[2][0] * m[3][1] * m[0][2] + m[3][0] * m[0][1] * m[2][2]"
- " - m[0][0] * m[3][1] * m[2][2] - m[2][0] * m[0][1] * m[3][2] - m[3][0] * m[2][1] * m[0][2];\n"
- " float cof20 = m[0][1] * m[1][2] * m[3][3] + m[1][1] * m[3][2] * m[0][3] + m[3][1] * m[0][2] * m[1][3]"
- " - m[0][1] * m[3][2] * m[1][3] - m[1][1] * m[0][2] * m[3][3] - m[3][1] * m[1][2] * m[0][3];\n"
- " float cof21 = -(m[0][0] * m[1][2] * m[3][3] + m[1][0] * m[3][2] * m[0][3] + m[3][0] * m[0][2] * m[1][3]"
- " - m[0][0] * m[3][2] * m[1][3] - m[1][0] * m[0][2] * m[3][3] - m[3][0] * m[1][2] * m[0][3]);\n"
- " float cof22 = m[0][0] * m[1][1] * m[3][3] + m[1][0] * m[3][1] * m[0][3] + m[3][0] * m[0][1] * m[1][3]"
- " - m[0][0] * m[3][1] * m[1][3] - m[1][0] * m[0][1] * m[3][3] - m[3][0] * m[1][1] * m[0][3];\n"
- " float cof23 = -(m[0][0] * m[1][1] * m[3][2] + m[1][0] * m[3][1] * m[0][2] + m[3][0] * m[0][1] * m[1][2]"
- " - m[0][0] * m[3][1] * m[1][2] - m[1][0] * m[0][1] * m[3][2] - m[3][0] * m[1][1] * m[0][2]);\n"
- " float cof30 = -(m[0][1] * m[1][2] * m[2][3] + m[1][1] * m[2][2] * m[0][3] + m[2][1] * m[0][2] * m[1][3]"
- " - m[0][1] * m[2][2] * m[1][3] - m[1][1] * m[0][2] * m[2][3] - m[2][1] * m[1][2] * m[0][3]);\n"
- " float cof31 = m[0][0] * m[1][2] * m[2][3] + m[1][0] * m[2][2] * m[0][3] + m[2][0] * m[0][2] * m[1][3]"
- " - m[0][0] * m[2][2] * m[1][3] - m[1][0] * m[0][2] * m[2][3] - m[2][0] * m[1][2] * m[0][3];\n"
- " float cof32 = -(m[0][0] * m[1][1] * m[2][3] + m[1][0] * m[2][1] * m[0][3] + m[2][0] * m[0][1] * m[1][3]"
- " - m[0][0] * m[2][1] * m[1][3] - m[1][0] * m[0][1] * m[2][3] - m[2][0] * m[1][1] * m[0][3]);\n"
- " float cof33 = m[0][0] * m[1][1] * m[2][2] + m[1][0] * m[2][1] * m[0][2] + m[2][0] * m[0][1] * m[1][2]"
- " - m[0][0] * m[2][1] * m[1][2] - m[1][0] * m[0][1] * m[2][2] - m[2][0] * m[1][1] * m[0][2];\n"
- " float4x4 cof = { cof00, cof10, cof20, cof30, cof01, cof11, cof21, cof31,"
- " cof02, cof12, cof22, cof32, cof03, cof13, cof23, cof33 };\n"
- " return cof / determinant(transpose(m));\n"
- "}\n");
-
- TType *bool1 = new TType(EbtBool);
- TType *bool2 = new TType(EbtBool, 2);
- TType *bool3 = new TType(EbtBool, 3);
- TType *bool4 = new TType(EbtBool, 4);
+}
- // Emulate ESSL3 variant of mix that takes last argument as boolean vector.
- // genType mix (genType x, genType y, genBType a): Selects which vector each returned component comes from.
- // For a component of 'a' that is false, the corresponding component of 'x' is returned.For a component of 'a' that is true,
- // the corresponding component of 'y' is returned.
- emu->addEmulatedFunction(EOpMix, float1, float1, bool1,
- "float webgl_mix_emu(float x, float y, bool a)\n"
- "{\n"
- " return a ? y : x;\n"
+void InitBuiltInFunctionEmulatorForHLSL(BuiltInFunctionEmulator *emu)
+{
+ TType *int1 = new TType(EbtInt);
+ TType *int2 = new TType(EbtInt, 2);
+ TType *int3 = new TType(EbtInt, 3);
+ TType *int4 = new TType(EbtInt, 4);
+ TType *uint1 = new TType(EbtUInt);
+ TType *uint2 = new TType(EbtUInt, 2);
+ TType *uint3 = new TType(EbtUInt, 3);
+ TType *uint4 = new TType(EbtUInt, 4);
+
+ emu->addFunctionMap(FindHLSLFunction);
+
+ // (a + b2^16) * (c + d2^16) = ac + (ad + bc) * 2^16 + bd * 2^32
+ // Also note that below, a * d + ((a * c) >> 16) is guaranteed not to overflow, because:
+ // a <= 0xffff, d <= 0xffff, ((a * c) >> 16) <= 0xffff and 0xffff * 0xffff + 0xffff = 0xffff0000
+ FunctionId umulExtendedUint1 = emu->addEmulatedFunction(
+ EOpUmulExtended, uint1, uint1, uint1, uint1,
+ "void umulExtended_emu(uint x, uint y, out uint msb, out uint lsb)\n"
+ "{\n"
+ " lsb = x * y;\n"
+ " uint a = (x & 0xffffu);\n"
+ " uint b = (x >> 16);\n"
+ " uint c = (y & 0xffffu);\n"
+ " uint d = (y >> 16);\n"
+ " uint ad = a * d + ((a * c) >> 16);\n"
+ " uint bc = b * c;\n"
+ " uint carry = uint(ad > (0xffffffffu - bc));\n"
+ " msb = ((ad + bc) >> 16) + (carry << 16) + b * d;\n"
+ "}\n");
+ emu->addEmulatedFunctionWithDependency(
+ umulExtendedUint1, EOpUmulExtended, uint2, uint2, uint2, uint2,
+ "void umulExtended_emu(uint2 x, uint2 y, out uint2 msb, out uint2 lsb)\n"
+ "{\n"
+ " umulExtended_emu(x.x, y.x, msb.x, lsb.x);\n"
+ " umulExtended_emu(x.y, y.y, msb.y, lsb.y);\n"
+ "}\n");
+ emu->addEmulatedFunctionWithDependency(
+ umulExtendedUint1, EOpUmulExtended, uint3, uint3, uint3, uint3,
+ "void umulExtended_emu(uint3 x, uint3 y, out uint3 msb, out uint3 lsb)\n"
+ "{\n"
+ " umulExtended_emu(x.x, y.x, msb.x, lsb.x);\n"
+ " umulExtended_emu(x.y, y.y, msb.y, lsb.y);\n"
+ " umulExtended_emu(x.z, y.z, msb.z, lsb.z);\n"
+ "}\n");
+ emu->addEmulatedFunctionWithDependency(
+ umulExtendedUint1, EOpUmulExtended, uint4, uint4, uint4, uint4,
+ "void umulExtended_emu(uint4 x, uint4 y, out uint4 msb, out uint4 lsb)\n"
+ "{\n"
+ " umulExtended_emu(x.x, y.x, msb.x, lsb.x);\n"
+ " umulExtended_emu(x.y, y.y, msb.y, lsb.y);\n"
+ " umulExtended_emu(x.z, y.z, msb.z, lsb.z);\n"
+ " umulExtended_emu(x.w, y.w, msb.w, lsb.w);\n"
+ "}\n");
+
+ // The imul emulation does two's complement negation on the lsb and msb manually in case the
+ // result needs to be negative.
+ // TODO(oetuaho): Note that this code doesn't take one edge case into account, where x or y is
+ // -2^31. abs(-2^31) is undefined.
+ FunctionId imulExtendedInt1 = emu->addEmulatedFunctionWithDependency(
+ umulExtendedUint1, EOpImulExtended, int1, int1, int1, int1,
+ "void imulExtended_emu(int x, int y, out int msb, out int lsb)\n"
+ "{\n"
+ " uint unsignedMsb;\n"
+ " uint unsignedLsb;\n"
+ " bool negative = (x < 0) != (y < 0);\n"
+ " umulExtended_emu(uint(abs(x)), uint(abs(y)), unsignedMsb, unsignedLsb);\n"
+ " lsb = asint(unsignedLsb);\n"
+ " msb = asint(unsignedMsb);\n"
+ " if (negative)\n"
+ " {\n"
+ " lsb = ~lsb;\n"
+ " msb = ~msb;\n"
+ " if (lsb == 0xffffffff)\n"
+ " {\n"
+ " lsb = 0;\n"
+ " msb += 1;\n"
+ " }\n"
+ " else\n"
+ " {\n"
+ " lsb += 1;\n"
+ " }\n"
+ " }\n"
"}\n");
- emu->addEmulatedFunction(EOpMix, float2, float2, bool2,
- "float2 webgl_mix_emu(float2 x, float2 y, bool2 a)\n"
+ emu->addEmulatedFunctionWithDependency(
+ imulExtendedInt1, EOpImulExtended, int2, int2, int2, int2,
+ "void imulExtended_emu(int2 x, int2 y, out int2 msb, out int2 lsb)\n"
"{\n"
- " return a ? y : x;\n"
+ " imulExtended_emu(x.x, y.x, msb.x, lsb.x);\n"
+ " imulExtended_emu(x.y, y.y, msb.y, lsb.y);\n"
"}\n");
- emu->addEmulatedFunction(EOpMix, float3, float3, bool3,
- "float3 webgl_mix_emu(float3 x, float3 y, bool3 a)\n"
+ emu->addEmulatedFunctionWithDependency(
+ imulExtendedInt1, EOpImulExtended, int3, int3, int3, int3,
+ "void imulExtended_emu(int3 x, int3 y, out int3 msb, out int3 lsb)\n"
"{\n"
- " return a ? y : x;\n"
+ " imulExtended_emu(x.x, y.x, msb.x, lsb.x);\n"
+ " imulExtended_emu(x.y, y.y, msb.y, lsb.y);\n"
+ " imulExtended_emu(x.z, y.z, msb.z, lsb.z);\n"
"}\n");
- emu->addEmulatedFunction(EOpMix, float4, float4, bool4,
- "float4 webgl_mix_emu(float4 x, float4 y, bool4 a)\n"
+ emu->addEmulatedFunctionWithDependency(
+ imulExtendedInt1, EOpImulExtended, int4, int4, int4, int4,
+ "void imulExtended_emu(int4 x, int4 y, out int4 msb, out int4 lsb)\n"
"{\n"
- " return a ? y : x;\n"
+ " imulExtended_emu(x.x, y.x, msb.x, lsb.x);\n"
+ " imulExtended_emu(x.y, y.y, msb.y, lsb.y);\n"
+ " imulExtended_emu(x.z, y.z, msb.z, lsb.z);\n"
+ " imulExtended_emu(x.w, y.w, msb.w, lsb.w);\n"
"}\n");
-
}
+
+} // namespace sh
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 00:09:34 +0000