-#! /usr/bin/env python
#
# Copyright (C) 2014 Connor Abbott
#
# helper variables for strings
tfloat = "float"
tint = "int"
-tbool = "bool"
+tbool = "bool32"
tuint = "uint"
+tuint16 = "uint16"
+tfloat32 = "float32"
+tint32 = "int32"
+tuint32 = "uint32"
+tint64 = "int64"
+tuint64 = "uint64"
+tfloat64 = "float64"
commutative = "commutative "
associative = "associative "
unop("ineg", tint, "-src0")
unop("fneg", tfloat, "-src0")
unop("inot", tint, "~src0") # invert every bit of the integer
-unop("fnot", tfloat, "(src0 == 0.0f) ? 1.0f : 0.0f")
-unop("fsign", tfloat, "(src0 == 0.0f) ? 0.0f : ((src0 > 0.0f) ? 1.0f : -1.0f)")
+unop("fnot", tfloat, ("bit_size == 64 ? ((src0 == 0.0) ? 1.0 : 0.0f) : " +
+ "((src0 == 0.0f) ? 1.0f : 0.0f)"))
+unop("fsign", tfloat, ("bit_size == 64 ? " +
+ "((src0 == 0.0) ? 0.0 : ((src0 > 0.0) ? 1.0 : -1.0)) : " +
+ "((src0 == 0.0f) ? 0.0f : ((src0 > 0.0f) ? 1.0f : -1.0f))"))
unop("isign", tint, "(src0 == 0) ? 0 : ((src0 > 0) ? 1 : -1)")
unop("iabs", tint, "(src0 < 0) ? -src0 : src0")
-unop("fabs", tfloat, "fabsf(src0)")
-unop("fsat", tfloat, "(src0 > 1.0f) ? 1.0f : ((src0 <= 0.0f) ? 0.0f : src0)")
-unop("frcp", tfloat, "1.0f / src0")
-unop("frsq", tfloat, "1.0f / sqrtf(src0)")
-unop("fsqrt", tfloat, "sqrtf(src0)")
+unop("fabs", tfloat, "fabs(src0)")
+unop("fsat", tfloat, ("bit_size == 64 ? " +
+ "((src0 > 1.0) ? 1.0 : ((src0 <= 0.0) ? 0.0 : src0)) : " +
+ "((src0 > 1.0f) ? 1.0f : ((src0 <= 0.0f) ? 0.0f : src0))"))
+unop("frcp", tfloat, "bit_size == 64 ? 1.0 / src0 : 1.0f / src0")
+unop("frsq", tfloat, "bit_size == 64 ? 1.0 / sqrt(src0) : 1.0f / sqrtf(src0)")
+unop("fsqrt", tfloat, "bit_size == 64 ? sqrt(src0) : sqrtf(src0)")
unop("fexp2", tfloat, "exp2f(src0)")
unop("flog2", tfloat, "log2f(src0)")
-unop_convert("f2i", tint, tfloat, "src0") # Float-to-integer conversion.
-unop_convert("f2u", tuint, tfloat, "src0") # Float-to-unsigned conversion
-unop_convert("i2f", tfloat, tint, "src0") # Integer-to-float conversion.
-# Float-to-boolean conversion
-unop_convert("f2b", tbool, tfloat, "src0 != 0.0f")
-# Boolean-to-float conversion
-unop_convert("b2f", tfloat, tbool, "src0 ? 1.0f : 0.0f")
-# Int-to-boolean conversion
+
+# Generate all of the numeric conversion opcodes
+for src_t in [tint, tuint, tfloat]:
+ if src_t in (tint, tuint):
+ dst_types = [tfloat, src_t]
+ elif src_t == tfloat:
+ dst_types = [tint, tuint, tfloat]
+
+ for dst_t in dst_types:
+ if dst_t == tfloat:
+ bit_sizes = [16, 32, 64]
+ else:
+ bit_sizes = [8, 16, 32, 64]
+ for bit_size in bit_sizes:
+ if bit_size == 16 and dst_t == tfloat and src_t == tfloat:
+ rnd_modes = ['_rtne', '_rtz', '']
+ for rnd_mode in rnd_modes:
+ unop_convert("{0}2{1}{2}{3}".format(src_t[0], dst_t[0],
+ bit_size, rnd_mode),
+ dst_t + str(bit_size), src_t, "src0")
+ else:
+ unop_convert("{0}2{1}{2}".format(src_t[0], dst_t[0], bit_size),
+ dst_t + str(bit_size), src_t, "src0")
+
+# We'll hand-code the to/from bool conversion opcodes. Because bool doesn't
+# have multiple bit-sizes, we can always infer the size from the other type.
+unop_convert("f2b", tbool, tfloat, "src0 != 0.0")
unop_convert("i2b", tbool, tint, "src0 != 0")
-unop_convert("b2i", tint, tbool, "src0 ? 1 : 0") # Boolean-to-int conversion
-unop_convert("u2f", tfloat, tuint, "src0") # Unsigned-to-float conversion.
+unop_convert("b2f", tfloat, tbool, "src0 ? 1.0 : 0.0")
+unop_convert("b2i", tint, tbool, "src0 ? 1 : 0")
+
# Unary floating-point rounding operations.
-unop("ftrunc", tfloat, "truncf(src0)")
-unop("fceil", tfloat, "ceilf(src0)")
-unop("ffloor", tfloat, "floorf(src0)")
-unop("ffract", tfloat, "src0 - floorf(src0)")
-unop("fround_even", tfloat, "_mesa_roundevenf(src0)")
+unop("ftrunc", tfloat, "bit_size == 64 ? trunc(src0) : truncf(src0)")
+unop("fceil", tfloat, "bit_size == 64 ? ceil(src0) : ceilf(src0)")
+unop("ffloor", tfloat, "bit_size == 64 ? floor(src0) : floorf(src0)")
+unop("ffract", tfloat, "src0 - (bit_size == 64 ? floor(src0) : floorf(src0))")
+unop("fround_even", tfloat, "bit_size == 64 ? _mesa_roundeven(src0) : _mesa_roundevenf(src0)")
+unop("fquantize2f16", tfloat, "(fabs(src0) < ldexpf(1.0, -14)) ? copysignf(0.0f, src0) : _mesa_half_to_float(_mesa_float_to_half(src0))")
# Trigonometric operations.
-unop("fsin", tfloat, "sinf(src0)")
-unop("fcos", tfloat, "cosf(src0)")
+unop("fsin", tfloat, "bit_size == 64 ? sin(src0) : sinf(src0)")
+unop("fcos", tfloat, "bit_size == 64 ? cos(src0) : cosf(src0)")
+# dfrexp
+unop_convert("frexp_exp", tint32, tfloat64, "frexp(src0, &dst);")
+unop_convert("frexp_sig", tfloat64, tfloat64, "int n; dst = frexp(src0, &n);")
# Partial derivatives.
-unop("fddx", tfloat, "0.0f") # the derivative of a constant is 0.
-unop("fddy", tfloat, "0.0f")
-unop("fddx_fine", tfloat, "0.0f")
-unop("fddy_fine", tfloat, "0.0f")
-unop("fddx_coarse", tfloat, "0.0f")
-unop("fddy_coarse", tfloat, "0.0f")
+unop("fddx", tfloat, "0.0") # the derivative of a constant is 0.
+unop("fddy", tfloat, "0.0")
+unop("fddx_fine", tfloat, "0.0")
+unop("fddy_fine", tfloat, "0.0")
+unop("fddx_coarse", tfloat, "0.0")
+unop("fddy_coarse", tfloat, "0.0")
# Floating point pack and unpack operations.
def pack_2x16(fmt):
- unop_horiz("pack_" + fmt + "_2x16", 1, tuint, 2, tfloat, """
+ unop_horiz("pack_" + fmt + "_2x16", 1, tuint32, 2, tfloat32, """
dst.x = (uint32_t) pack_fmt_1x16(src0.x);
dst.x |= ((uint32_t) pack_fmt_1x16(src0.y)) << 16;
""".replace("fmt", fmt))
def pack_4x8(fmt):
- unop_horiz("pack_" + fmt + "_4x8", 1, tuint, 4, tfloat, """
+ unop_horiz("pack_" + fmt + "_4x8", 1, tuint32, 4, tfloat32, """
dst.x = (uint32_t) pack_fmt_1x8(src0.x);
dst.x |= ((uint32_t) pack_fmt_1x8(src0.y)) << 8;
dst.x |= ((uint32_t) pack_fmt_1x8(src0.z)) << 16;
""".replace("fmt", fmt))
def unpack_2x16(fmt):
- unop_horiz("unpack_" + fmt + "_2x16", 2, tfloat, 1, tuint, """
+ unop_horiz("unpack_" + fmt + "_2x16", 2, tfloat32, 1, tuint32, """
dst.x = unpack_fmt_1x16((uint16_t)(src0.x & 0xffff));
dst.y = unpack_fmt_1x16((uint16_t)(src0.x << 16));
""".replace("fmt", fmt))
def unpack_4x8(fmt):
- unop_horiz("unpack_" + fmt + "_4x8", 4, tfloat, 1, tuint, """
+ unop_horiz("unpack_" + fmt + "_4x8", 4, tfloat32, 1, tuint32, """
dst.x = unpack_fmt_1x8((uint8_t)(src0.x & 0xff));
dst.y = unpack_fmt_1x8((uint8_t)((src0.x >> 8) & 0xff));
dst.z = unpack_fmt_1x8((uint8_t)((src0.x >> 16) & 0xff));
unpack_4x8("unorm")
unpack_2x16("half")
-unop_horiz("pack_uvec2_to_uint", 1, tuint, 2, tuint, """
-dst.x = (src0.x & 0xffff) | (src0.y >> 16);
+unop_horiz("pack_uvec2_to_uint", 1, tuint32, 2, tuint32, """
+dst.x = (src0.x & 0xffff) | (src0.y << 16);
""")
-unop_horiz("pack_uvec4_to_uint", 1, tuint, 4, tuint, """
+unop_horiz("pack_uvec4_to_uint", 1, tuint32, 4, tuint32, """
dst.x = (src0.x << 0) |
(src0.y << 8) |
(src0.z << 16) |
(src0.w << 24);
""")
+unop_horiz("pack_32_2x16", 1, tuint32, 2, tuint16,
+ "dst.x = src0.x | ((uint32_t)src0.y << 16);")
+
+unop_horiz("pack_64_2x32", 1, tuint64, 2, tuint32,
+ "dst.x = src0.x | ((uint64_t)src0.y << 32);")
+
+unop_horiz("pack_64_4x16", 1, tuint64, 4, tuint16,
+ "dst.x = src0.x | ((uint64_t)src0.y << 16) | ((uint64_t)src0.z << 32) | ((uint64_t)src0.w << 48);")
+
+unop_horiz("unpack_64_2x32", 2, tuint32, 1, tuint64,
+ "dst.x = src0.x; dst.y = src0.x >> 32;")
+
+unop_horiz("unpack_64_4x16", 4, tuint16, 1, tuint64,
+ "dst.x = src0.x; dst.y = src0.x >> 16; dst.z = src0.x >> 32; dst.w = src0.w >> 48;")
+
+unop_horiz("unpack_32_2x16", 2, tuint16, 1, tuint32,
+ "dst.x = src0.x; dst.y = src0.x >> 16;")
+
# Lowered floating point unpacking operations.
-unop_horiz("unpack_half_2x16_split_x", 1, tfloat, 1, tuint,
+unop_horiz("unpack_half_2x16_split_x", 1, tfloat32, 1, tuint32,
"unpack_half_1x16((uint16_t)(src0.x & 0xffff))")
-unop_horiz("unpack_half_2x16_split_y", 1, tfloat, 1, tuint,
+unop_horiz("unpack_half_2x16_split_y", 1, tfloat32, 1, tuint32,
"unpack_half_1x16((uint16_t)(src0.x >> 16))")
+unop_convert("unpack_32_2x16_split_x", tuint16, tuint32, "src0")
+unop_convert("unpack_32_2x16_split_y", tuint16, tuint32, "src0 >> 16")
+
+unop_convert("unpack_64_2x32_split_x", tuint32, tuint64, "src0")
+unop_convert("unpack_64_2x32_split_y", tuint32, tuint64, "src0 >> 32")
# Bit operations, part of ARB_gpu_shader5.
-unop("bitfield_reverse", tuint, """
+unop("bitfield_reverse", tuint32, """
/* we're not winning any awards for speed here, but that's ok */
dst = 0;
for (unsigned bit = 0; bit < 32; bit++)
dst |= ((src0 >> bit) & 1) << (31 - bit);
""")
-unop("bit_count", tuint, """
+unop_convert("bit_count", tuint32, tuint, """
dst = 0;
-for (unsigned bit = 0; bit < 32; bit++) {
+for (unsigned bit = 0; bit < bit_size; bit++) {
if ((src0 >> bit) & 1)
dst++;
}
""")
-unop_convert("ufind_msb", tint, tuint, """
+unop_convert("ufind_msb", tint32, tuint, """
dst = -1;
-for (int bit = 31; bit > 0; bit--) {
+for (int bit = bit_size - 1; bit >= 0; bit--) {
if ((src0 >> bit) & 1) {
dst = bit;
break;
}
""")
-unop("ifind_msb", tint, """
+unop("ifind_msb", tint32, """
dst = -1;
for (int bit = 31; bit >= 0; bit--) {
/* If src0 < 0, we're looking for the first 0 bit.
}
""")
-unop("find_lsb", tint, """
+unop_convert("find_lsb", tint32, tint, """
dst = -1;
-for (unsigned bit = 0; bit < 32; bit++) {
+for (unsigned bit = 0; bit < bit_size; bit++) {
if ((src0 >> bit) & 1) {
dst = bit;
break;
""")
-for i in xrange(1, 5):
- for j in xrange(1, 5):
+for i in range(1, 5):
+ for j in range(1, 5):
unop_horiz("fnoise{0}_{1}".format(i, j), i, tfloat, j, tfloat, "0.0f")
+
+# AMD_gcn_shader extended instructions
+unop_horiz("cube_face_coord", 2, tfloat32, 3, tfloat32, """
+dst.x = dst.y = 0.0;
+float absX = fabs(src0.x);
+float absY = fabs(src0.y);
+float absZ = fabs(src0.z);
+if (src0.x >= 0 && absX >= absY && absX >= absZ) { dst.x = -src0.y; dst.y = -src0.z; }
+if (src0.x < 0 && absX >= absY && absX >= absZ) { dst.x = -src0.y; dst.y = src0.z; }
+if (src0.y >= 0 && absY >= absX && absY >= absZ) { dst.x = src0.z; dst.y = src0.x; }
+if (src0.y < 0 && absY >= absX && absY >= absZ) { dst.x = -src0.z; dst.y = src0.x; }
+if (src0.z >= 0 && absZ >= absX && absZ >= absY) { dst.x = -src0.y; dst.y = src0.x; }
+if (src0.z < 0 && absZ >= absX && absZ >= absY) { dst.x = -src0.y; dst.y = -src0.x; }
+""")
+
+unop_horiz("cube_face_index", 1, tfloat32, 3, tfloat32, """
+float absX = fabs(src0.x);
+float absY = fabs(src0.y);
+float absZ = fabs(src0.z);
+if (src0.x >= 0 && absX >= absY && absX >= absZ) dst.x = 0;
+if (src0.x < 0 && absX >= absY && absX >= absZ) dst.x = 1;
+if (src0.y >= 0 && absY >= absX && absY >= absZ) dst.x = 2;
+if (src0.y < 0 && absY >= absX && absY >= absZ) dst.x = 3;
+if (src0.z >= 0 && absZ >= absX && absZ >= absY) dst.x = 4;
+if (src0.z < 0 && absZ >= absX && absZ >= absY) dst.x = 5;
+""")
+
+
def binop_convert(name, out_type, in_type, alg_props, const_expr):
opcode(name, 0, out_type, [0, 0], [in_type, in_type], alg_props, const_expr)
# low 32-bits of signed/unsigned integer multiply
binop("imul", tint, commutative + associative, "src0 * src1")
# high 32-bits of signed integer multiply
-binop("imul_high", tint, commutative,
+binop("imul_high", tint32, commutative,
"(int32_t)(((int64_t) src0 * (int64_t) src1) >> 32)")
# high 32-bits of unsigned integer multiply
-binop("umul_high", tuint, commutative,
+binop("umul_high", tuint32, commutative,
"(uint32_t)(((uint64_t) src0 * (uint64_t) src1) >> 32)")
binop("fdiv", tfloat, "", "src0 / src1")
-binop("idiv", tint, "", "src0 / src1")
-binop("udiv", tuint, "", "src0 / src1")
+binop("idiv", tint, "", "src1 == 0 ? 0 : (src0 / src1)")
+binop("udiv", tuint, "", "src1 == 0 ? 0 : (src0 / src1)")
# returns a boolean representing the carry resulting from the addition of
# the two unsigned arguments.
binop_convert("usub_borrow", tuint, tuint, "", "src0 < src1")
-binop("fmod", tfloat, "", "src0 - src1 * floorf(src0 / src1)")
binop("umod", tuint, "", "src1 == 0 ? 0 : src0 % src1")
+# For signed integers, there are several different possible definitions of
+# "modulus" or "remainder". We follow the conventions used by LLVM and
+# SPIR-V. The irem opcode implements the standard C/C++ signed "%"
+# operation while the imod opcode implements the more mathematical
+# "modulus" operation. For details on the difference, see
+#
+# http://mathforum.org/library/drmath/view/52343.html
+
+binop("irem", tint, "", "src1 == 0 ? 0 : src0 % src1")
+binop("imod", tint, "",
+ "src1 == 0 ? 0 : ((src0 % src1 == 0 || (src0 >= 0) == (src1 >= 0)) ?"
+ " src0 % src1 : src0 % src1 + src1)")
+binop("fmod", tfloat, "", "src0 - src1 * floorf(src0 / src1)")
+binop("frem", tfloat, "", "src0 - src1 * truncf(src0 / src1)")
+
#
# Comparisons
#
# non-integer-aware GLSL-style comparisons that return 0.0 or 1.0
-binop_reduce("fall_equal", 1, tfloat, tfloat, "{src0} == {src1}",
+binop_reduce("fall_equal", 1, tfloat32, tfloat32, "{src0} == {src1}",
"{src0} && {src1}", "{src} ? 1.0f : 0.0f")
-binop_reduce("fany_nequal", 1, tfloat, tfloat, "{src0} != {src1}",
+binop_reduce("fany_nequal", 1, tfloat32, tfloat32, "{src0} != {src1}",
"{src0} || {src1}", "{src} ? 1.0f : 0.0f")
# These comparisons for integer-less hardware return 1.0 and 0.0 for true
# and false respectively
-binop("slt", tfloat, "", "(src0 < src1) ? 1.0f : 0.0f") # Set on Less Than
+binop("slt", tfloat32, "", "(src0 < src1) ? 1.0f : 0.0f") # Set on Less Than
binop("sge", tfloat, "", "(src0 >= src1) ? 1.0f : 0.0f") # Set on Greater or Equal
-binop("seq", tfloat, commutative, "(src0 == src1) ? 1.0f : 0.0f") # Set on Equal
-binop("sne", tfloat, commutative, "(src0 != src1) ? 1.0f : 0.0f") # Set on Not Equal
+binop("seq", tfloat32, commutative, "(src0 == src1) ? 1.0f : 0.0f") # Set on Equal
+binop("sne", tfloat32, commutative, "(src0 != src1) ? 1.0f : 0.0f") # Set on Not Equal
-binop("ishl", tint, "", "src0 << src1")
-binop("ishr", tint, "", "src0 >> src1")
-binop("ushr", tuint, "", "src0 >> src1")
+opcode("ishl", 0, tint, [0, 0], [tint, tuint32], "", "src0 << src1")
+opcode("ishr", 0, tint, [0, 0], [tint, tuint32], "", "src0 >> src1")
+opcode("ushr", 0, tuint, [0, 0], [tuint, tuint32], "", "src0 >> src1")
# bitwise logic operators
#
# These use (src != 0.0) for testing the truth of the input, and output 1.0
# for true and 0.0 for false
-binop("fand", tfloat, commutative,
+binop("fand", tfloat32, commutative,
"((src0 != 0.0f) && (src1 != 0.0f)) ? 1.0f : 0.0f")
-binop("for", tfloat, commutative,
+binop("for", tfloat32, commutative,
"((src0 != 0.0f) || (src1 != 0.0f)) ? 1.0f : 0.0f")
-binop("fxor", tfloat, commutative,
+binop("fxor", tfloat32, commutative,
"(src0 != 0.0f && src1 == 0.0f) || (src0 == 0.0f && src1 != 0.0f) ? 1.0f : 0.0f")
binop_reduce("fdot", 1, tfloat, tfloat, "{src0} * {src1}", "{src0} + {src1}",
binop("umax", tuint, commutative + associative, "src1 > src0 ? src1 : src0")
# Saturated vector add for 4 8bit ints.
-binop("usadd_4x8", tint, commutative + associative, """
+binop("usadd_4x8", tint32, commutative + associative, """
dst = 0;
for (int i = 0; i < 32; i += 8) {
dst |= MIN2(((src0 >> i) & 0xff) + ((src1 >> i) & 0xff), 0xff) << i;
""")
# Saturated vector subtract for 4 8bit ints.
-binop("ussub_4x8", tint, "", """
+binop("ussub_4x8", tint32, "", """
dst = 0;
for (int i = 0; i < 32; i += 8) {
int src0_chan = (src0 >> i) & 0xff;
""")
# vector min for 4 8bit ints.
-binop("umin_4x8", tint, commutative + associative, """
+binop("umin_4x8", tint32, commutative + associative, """
dst = 0;
for (int i = 0; i < 32; i += 8) {
dst |= MIN2((src0 >> i) & 0xff, (src1 >> i) & 0xff) << i;
""")
# vector max for 4 8bit ints.
-binop("umax_4x8", tint, commutative + associative, """
+binop("umax_4x8", tint32, commutative + associative, """
dst = 0;
for (int i = 0; i < 32; i += 8) {
dst |= MAX2((src0 >> i) & 0xff, (src1 >> i) & 0xff) << i;
""")
# unorm multiply: (a * b) / 255.
-binop("umul_unorm_4x8", tint, commutative + associative, """
+binop("umul_unorm_4x8", tint32, commutative + associative, """
dst = 0;
for (int i = 0; i < 32; i += 8) {
int src0_chan = (src0 >> i) & 0xff;
}
""")
-binop("fpow", tfloat, "", "powf(src0, src1)")
+binop("fpow", tfloat, "", "bit_size == 64 ? powf(src0, src1) : pow(src0, src1)")
-binop_horiz("pack_half_2x16_split", 1, tuint, 1, tfloat, 1, tfloat,
+binop_horiz("pack_half_2x16_split", 1, tuint32, 1, tfloat32, 1, tfloat32,
"pack_half_1x16(src0.x) | (pack_half_1x16(src1.x) << 16)")
+binop_convert("pack_64_2x32_split", tuint64, tuint32, "",
+ "src0 | ((uint64_t)src1 << 32)")
+
+binop_convert("pack_32_2x16_split", tuint32, tuint16, "",
+ "src0 | ((uint32_t)src1 << 16)")
+
# bfm implements the behavior of the first operation of the SM5 "bfi" assembly
# and that of the "bfi1" i965 instruction. That is, it has undefined behavior
# if either of its arguments are 32.
-binop_convert("bfm", tuint, tint, "", """
+binop_convert("bfm", tuint32, tint32, "", """
int bits = src0, offset = src1;
if (offset < 0 || bits < 0 || offset > 31 || bits > 31 || offset + bits > 32)
dst = 0; /* undefined */
dst = ((1u << bits) - 1) << offset;
""")
-opcode("ldexp", 0, tfloat, [0, 0], [tfloat, tint], "", """
-dst = ldexpf(src0, src1);
+opcode("ldexp", 0, tfloat, [0, 0], [tfloat, tint32], "", """
+dst = (bit_size == 64) ? ldexp(src0, src1) : ldexpf(src0, src1);
/* flush denormals to zero. */
if (!isnormal(dst))
dst = copysignf(0.0f, src0);
# bools (0.0 vs 1.0) and one for integer bools (0 vs ~0).
-triop("fcsel", tfloat, "(src0 != 0.0f) ? src1 : src2")
+triop("fcsel", tfloat32, "(src0 != 0.0f) ? src1 : src2")
+
+# 3 way min/max/med
+triop("fmin3", tfloat, "fminf(src0, fminf(src1, src2))")
+triop("imin3", tint, "MIN2(src0, MIN2(src1, src2))")
+triop("umin3", tuint, "MIN2(src0, MIN2(src1, src2))")
+
+triop("fmax3", tfloat, "fmaxf(src0, fmaxf(src1, src2))")
+triop("imax3", tint, "MAX2(src0, MAX2(src1, src2))")
+triop("umax3", tuint, "MAX2(src0, MAX2(src1, src2))")
+
+triop("fmed3", tfloat, "fmaxf(fminf(fmaxf(src0, src1), src2), fminf(src0, src1))")
+triop("imed3", tint, "MAX2(MIN2(MAX2(src0, src1), src2), MIN2(src0, src1))")
+triop("umed3", tuint, "MAX2(MIN2(MAX2(src0, src1), src2), MIN2(src0, src1))")
+
opcode("bcsel", 0, tuint, [0, 0, 0],
[tbool, tuint, tuint], "", "src0 ? src1 : src2")
# SM5 bfi assembly
-triop("bfi", tuint, """
+triop("bfi", tuint32, """
unsigned mask = src0, insert = src1, base = src2;
if (mask == 0) {
dst = base;
""")
# SM5 ubfe/ibfe assembly
-opcode("ubfe", 0, tuint,
- [0, 0, 0], [tuint, tint, tint], "", """
+opcode("ubfe", 0, tuint32,
+ [0, 0, 0], [tuint32, tint32, tint32], "", """
unsigned base = src0;
int offset = src1, bits = src2;
if (bits == 0) {
dst = base >> offset;
}
""")
-opcode("ibfe", 0, tint,
- [0, 0, 0], [tint, tint, tint], "", """
+opcode("ibfe", 0, tint32,
+ [0, 0, 0], [tint32, tint32, tint32], "", """
int base = src0;
int offset = src1, bits = src2;
if (bits == 0) {
""")
# GLSL bitfieldExtract()
-opcode("ubitfield_extract", 0, tuint,
- [0, 0, 0], [tuint, tint, tint], "", """
+opcode("ubitfield_extract", 0, tuint32,
+ [0, 0, 0], [tuint32, tint32, tint32], "", """
unsigned base = src0;
int offset = src1, bits = src2;
if (bits == 0) {
dst = (base >> offset) & ((1ull << bits) - 1);
}
""")
-opcode("ibitfield_extract", 0, tint,
- [0, 0, 0], [tint, tint, tint], "", """
+opcode("ibitfield_extract", 0, tint32,
+ [0, 0, 0], [tint32, tint32, tint32], "", """
int base = src0;
int offset = src1, bits = src2;
if (bits == 0) {
[tuint, tuint, tuint, tuint],
"", const_expr)
-opcode("bitfield_insert", 0, tuint, [0, 0, 0, 0],
- [tuint, tuint, tint, tint], "", """
+opcode("bitfield_insert", 0, tuint32, [0, 0, 0, 0],
+ [tuint32, tuint32, tint32, tint32], "", """
unsigned base = src0, insert = src1;
int offset = src2, bits = src3;
if (bits == 0) {
- dst = 0;
+ dst = base;
} else if (offset < 0 || bits < 0 || bits + offset > 32) {
dst = 0;
} else {
unsigned mask = ((1ull << bits) - 1) << offset;
- dst = (base & ~mask) | ((insert << bits) & mask);
+ dst = (base & ~mask) | ((insert << offset) & mask);
}
""")