[Mesa-dev] [PATCH 09/47] glsl: Add "built-in" functions to do fp64_to_uint(fp64)
Elie Tournier
tournier.elie at gmail.com
Wed Aug 23 11:07:39 UTC 2017
Signed-off-by: Elie Tournier <elie.tournier at collabora.com>
---
src/compiler/glsl/builtin_float64.h | 446 ++++++++++++++++++++++++++++++++
src/compiler/glsl/builtin_functions.cpp | 4 +
src/compiler/glsl/builtin_functions.h | 3 +
src/compiler/glsl/float64.glsl | 68 +++++
src/compiler/glsl/glcpp/glcpp-parse.y | 1 +
5 files changed, 522 insertions(+)
diff --git a/src/compiler/glsl/builtin_float64.h b/src/compiler/glsl/builtin_float64.h
index 5213751223..bfe387b0f5 100644
--- a/src/compiler/glsl/builtin_float64.h
+++ b/src/compiler/glsl/builtin_float64.h
@@ -11848,3 +11848,449 @@ fmul64(void *mem_ctx, builtin_available_predicate avail)
sig->replace_parameters(&sig_parameters);
return sig;
}
+ir_function_signature *
+shift64Right(void *mem_ctx, builtin_available_predicate avail)
+{
+ ir_function_signature *const sig =
+ new(mem_ctx) ir_function_signature(glsl_type::void_type, avail);
+ ir_factory body(&sig->body, mem_ctx);
+ sig->is_defined = true;
+
+ exec_list sig_parameters;
+
+ ir_variable *const r0A04 = new(mem_ctx) ir_variable(glsl_type::uint_type, "a0", ir_var_function_in);
+ sig_parameters.push_tail(r0A04);
+ ir_variable *const r0A05 = new(mem_ctx) ir_variable(glsl_type::uint_type, "a1", ir_var_function_in);
+ sig_parameters.push_tail(r0A05);
+ ir_variable *const r0A06 = new(mem_ctx) ir_variable(glsl_type::int_type, "count", ir_var_function_in);
+ sig_parameters.push_tail(r0A06);
+ ir_variable *const r0A07 = new(mem_ctx) ir_variable(glsl_type::uint_type, "z0Ptr", ir_var_function_inout);
+ sig_parameters.push_tail(r0A07);
+ ir_variable *const r0A08 = new(mem_ctx) ir_variable(glsl_type::uint_type, "z1Ptr", ir_var_function_inout);
+ sig_parameters.push_tail(r0A08);
+ ir_variable *const r0A09 = new(mem_ctx) ir_variable(glsl_type::uint_type, "z1", ir_var_auto);
+ body.emit(r0A09);
+ ir_variable *const r0A0A = new(mem_ctx) ir_variable(glsl_type::uint_type, "z0", ir_var_auto);
+ body.emit(r0A0A);
+ ir_variable *const r0A0B = body.make_temp(glsl_type::int_type, "assignment_tmp");
+ ir_expression *const r0A0C = neg(r0A06);
+ body.emit(assign(r0A0B, bit_and(r0A0C, body.constant(int(31))), 0x01));
+
+ /* IF CONDITION */
+ ir_expression *const r0A0E = equal(r0A06, body.constant(int(0)));
+ ir_if *f0A0D = new(mem_ctx) ir_if(operand(r0A0E).val);
+ exec_list *const f0A0D_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A0D->then_instructions;
+
+ body.emit(assign(r0A09, r0A05, 0x01));
+
+ body.emit(assign(r0A0A, r0A04, 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A0D->else_instructions;
+
+ /* IF CONDITION */
+ ir_expression *const r0A10 = less(r0A06, body.constant(int(32)));
+ ir_if *f0A0F = new(mem_ctx) ir_if(operand(r0A10).val);
+ exec_list *const f0A0F_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A0F->then_instructions;
+
+ ir_expression *const r0A11 = lshift(r0A04, r0A0B);
+ ir_expression *const r0A12 = rshift(r0A05, r0A06);
+ body.emit(assign(r0A09, bit_or(r0A11, r0A12), 0x01));
+
+ body.emit(assign(r0A0A, rshift(r0A04, r0A06), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A0F->else_instructions;
+
+ ir_variable *const r0A13 = body.make_temp(glsl_type::uint_type, "conditional_tmp");
+ /* IF CONDITION */
+ ir_expression *const r0A15 = less(r0A06, body.constant(int(64)));
+ ir_if *f0A14 = new(mem_ctx) ir_if(operand(r0A15).val);
+ exec_list *const f0A14_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A14->then_instructions;
+
+ ir_expression *const r0A16 = bit_and(r0A06, body.constant(int(31)));
+ body.emit(assign(r0A13, rshift(r0A04, r0A16), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A14->else_instructions;
+
+ body.emit(assign(r0A13, body.constant(0u), 0x01));
+
+
+ body.instructions = f0A14_parent_instructions;
+ body.emit(f0A14);
+
+ /* END IF */
+
+ body.emit(assign(r0A09, r0A13, 0x01));
+
+ body.emit(assign(r0A0A, body.constant(0u), 0x01));
+
+
+ body.instructions = f0A0F_parent_instructions;
+ body.emit(f0A0F);
+
+ /* END IF */
+
+
+ body.instructions = f0A0D_parent_instructions;
+ body.emit(f0A0D);
+
+ /* END IF */
+
+ body.emit(assign(r0A08, r0A09, 0x01));
+
+ body.emit(assign(r0A07, r0A0A, 0x01));
+
+ sig->replace_parameters(&sig_parameters);
+ return sig;
+}
+ir_function_signature *
+fp64_to_uint(void *mem_ctx, builtin_available_predicate avail)
+{
+ ir_function_signature *const sig =
+ new(mem_ctx) ir_function_signature(glsl_type::uint_type, avail);
+ ir_factory body(&sig->body, mem_ctx);
+ sig->is_defined = true;
+
+ exec_list sig_parameters;
+
+ ir_variable *const r0A17 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "a", ir_var_function_in);
+ sig_parameters.push_tail(r0A17);
+ ir_variable *const r0A18 = body.make_temp(glsl_type::uint_type, "return_value");
+ ir_variable *const r0A19 = new(mem_ctx) ir_variable(glsl_type::uint_type, "aFracHi", ir_var_auto);
+ body.emit(r0A19);
+ ir_variable *const r0A1A = new(mem_ctx) ir_variable(glsl_type::uint_type, "aFracLo", ir_var_auto);
+ body.emit(r0A1A);
+ ir_variable *const r0A1B = body.make_temp(glsl_type::uint_type, "extractFloat64FracLo_retval");
+ body.emit(assign(r0A1B, swizzle_x(r0A17), 0x01));
+
+ body.emit(assign(r0A1A, r0A1B, 0x01));
+
+ ir_variable *const r0A1C = body.make_temp(glsl_type::uint_type, "extractFloat64FracHi_retval");
+ body.emit(assign(r0A1C, bit_and(swizzle_y(r0A17), body.constant(1048575u)), 0x01));
+
+ body.emit(assign(r0A19, r0A1C, 0x01));
+
+ ir_variable *const r0A1D = body.make_temp(glsl_type::int_type, "extractFloat64Exp_retval");
+ ir_expression *const r0A1E = rshift(swizzle_y(r0A17), body.constant(int(20)));
+ ir_expression *const r0A1F = bit_and(r0A1E, body.constant(2047u));
+ body.emit(assign(r0A1D, expr(ir_unop_u2i, r0A1F), 0x01));
+
+ ir_variable *const r0A20 = body.make_temp(glsl_type::uint_type, "extractFloat64Sign_retval");
+ body.emit(assign(r0A20, rshift(swizzle_y(r0A17), body.constant(int(31))), 0x01));
+
+ /* IF CONDITION */
+ ir_expression *const r0A22 = nequal(r0A20, body.constant(0u));
+ ir_if *f0A21 = new(mem_ctx) ir_if(operand(r0A22).val);
+ exec_list *const f0A21_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A21->then_instructions;
+
+ body.emit(assign(r0A18, body.constant(0u), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A21->else_instructions;
+
+ /* IF CONDITION */
+ ir_expression *const r0A24 = equal(r0A1D, body.constant(int(2047)));
+ ir_expression *const r0A25 = bit_or(r0A1C, swizzle_x(r0A17));
+ ir_expression *const r0A26 = nequal(r0A25, body.constant(0u));
+ ir_expression *const r0A27 = logic_and(r0A24, r0A26);
+ ir_if *f0A23 = new(mem_ctx) ir_if(operand(r0A27).val);
+ exec_list *const f0A23_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A23->then_instructions;
+
+ body.emit(assign(r0A18, body.constant(4294967295u), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A23->else_instructions;
+
+ /* IF CONDITION */
+ ir_expression *const r0A29 = nequal(r0A1D, body.constant(int(0)));
+ ir_if *f0A28 = new(mem_ctx) ir_if(operand(r0A29).val);
+ exec_list *const f0A28_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A28->then_instructions;
+
+ body.emit(assign(r0A19, bit_or(r0A1C, body.constant(1048576u)), 0x01));
+
+
+ body.instructions = f0A28_parent_instructions;
+ body.emit(f0A28);
+
+ /* END IF */
+
+ ir_variable *const r0A2A = body.make_temp(glsl_type::int_type, "assignment_tmp");
+ body.emit(assign(r0A2A, sub(body.constant(int(1063)), r0A1D), 0x01));
+
+ /* IF CONDITION */
+ ir_expression *const r0A2C = less(body.constant(int(0)), r0A2A);
+ ir_if *f0A2B = new(mem_ctx) ir_if(operand(r0A2C).val);
+ exec_list *const f0A2B_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A2B->then_instructions;
+
+ ir_variable *const r0A2D = new(mem_ctx) ir_variable(glsl_type::uint_type, "z1", ir_var_auto);
+ body.emit(r0A2D);
+ ir_variable *const r0A2E = new(mem_ctx) ir_variable(glsl_type::uint_type, "z0", ir_var_auto);
+ body.emit(r0A2E);
+ ir_variable *const r0A2F = body.make_temp(glsl_type::int_type, "assignment_tmp");
+ ir_expression *const r0A30 = neg(r0A2A);
+ body.emit(assign(r0A2F, bit_and(r0A30, body.constant(int(31))), 0x01));
+
+ /* IF CONDITION */
+ ir_expression *const r0A32 = equal(r0A2A, body.constant(int(0)));
+ ir_if *f0A31 = new(mem_ctx) ir_if(operand(r0A32).val);
+ exec_list *const f0A31_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A31->then_instructions;
+
+ body.emit(assign(r0A2D, r0A1B, 0x01));
+
+ body.emit(assign(r0A2E, r0A19, 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A31->else_instructions;
+
+ /* IF CONDITION */
+ ir_expression *const r0A34 = less(r0A2A, body.constant(int(32)));
+ ir_if *f0A33 = new(mem_ctx) ir_if(operand(r0A34).val);
+ exec_list *const f0A33_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A33->then_instructions;
+
+ ir_expression *const r0A35 = lshift(r0A19, r0A2F);
+ ir_expression *const r0A36 = rshift(swizzle_x(r0A17), r0A2A);
+ ir_expression *const r0A37 = bit_or(r0A35, r0A36);
+ ir_expression *const r0A38 = lshift(swizzle_x(r0A17), r0A2F);
+ ir_expression *const r0A39 = nequal(r0A38, body.constant(0u));
+ ir_expression *const r0A3A = expr(ir_unop_b2i, r0A39);
+ ir_expression *const r0A3B = expr(ir_unop_i2u, r0A3A);
+ body.emit(assign(r0A2D, bit_or(r0A37, r0A3B), 0x01));
+
+ body.emit(assign(r0A2E, rshift(r0A19, r0A2A), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A33->else_instructions;
+
+ /* IF CONDITION */
+ ir_expression *const r0A3D = equal(r0A2A, body.constant(int(32)));
+ ir_if *f0A3C = new(mem_ctx) ir_if(operand(r0A3D).val);
+ exec_list *const f0A3C_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A3C->then_instructions;
+
+ ir_expression *const r0A3E = nequal(swizzle_x(r0A17), body.constant(0u));
+ ir_expression *const r0A3F = expr(ir_unop_b2i, r0A3E);
+ ir_expression *const r0A40 = expr(ir_unop_i2u, r0A3F);
+ body.emit(assign(r0A2D, bit_or(r0A19, r0A40), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A3C->else_instructions;
+
+ /* IF CONDITION */
+ ir_expression *const r0A42 = less(r0A2A, body.constant(int(64)));
+ ir_if *f0A41 = new(mem_ctx) ir_if(operand(r0A42).val);
+ exec_list *const f0A41_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A41->then_instructions;
+
+ ir_expression *const r0A43 = bit_and(r0A2A, body.constant(int(31)));
+ ir_expression *const r0A44 = rshift(r0A19, r0A43);
+ ir_expression *const r0A45 = lshift(r0A19, r0A2F);
+ ir_expression *const r0A46 = bit_or(r0A45, swizzle_x(r0A17));
+ ir_expression *const r0A47 = nequal(r0A46, body.constant(0u));
+ ir_expression *const r0A48 = expr(ir_unop_b2i, r0A47);
+ ir_expression *const r0A49 = expr(ir_unop_i2u, r0A48);
+ body.emit(assign(r0A2D, bit_or(r0A44, r0A49), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A41->else_instructions;
+
+ ir_expression *const r0A4A = bit_or(r0A19, swizzle_x(r0A17));
+ ir_expression *const r0A4B = nequal(r0A4A, body.constant(0u));
+ ir_expression *const r0A4C = expr(ir_unop_b2i, r0A4B);
+ body.emit(assign(r0A2D, expr(ir_unop_i2u, r0A4C), 0x01));
+
+
+ body.instructions = f0A41_parent_instructions;
+ body.emit(f0A41);
+
+ /* END IF */
+
+
+ body.instructions = f0A3C_parent_instructions;
+ body.emit(f0A3C);
+
+ /* END IF */
+
+ body.emit(assign(r0A2E, body.constant(0u), 0x01));
+
+
+ body.instructions = f0A33_parent_instructions;
+ body.emit(f0A33);
+
+ /* END IF */
+
+
+ body.instructions = f0A31_parent_instructions;
+ body.emit(f0A31);
+
+ /* END IF */
+
+ body.emit(assign(r0A19, r0A2E, 0x01));
+
+ body.emit(assign(r0A1A, r0A2D, 0x01));
+
+
+ body.instructions = f0A2B_parent_instructions;
+ body.emit(f0A2B);
+
+ /* END IF */
+
+ /* IF CONDITION */
+ ir_expression *const r0A4E = bit_and(r0A19, body.constant(4294963200u));
+ ir_expression *const r0A4F = nequal(r0A4E, body.constant(0u));
+ ir_if *f0A4D = new(mem_ctx) ir_if(operand(r0A4F).val);
+ exec_list *const f0A4D_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A4D->then_instructions;
+
+ ir_variable *const r0A50 = body.make_temp(glsl_type::uint_type, "conditional_tmp");
+ /* IF CONDITION */
+ ir_expression *const r0A52 = nequal(r0A20, body.constant(0u));
+ ir_if *f0A51 = new(mem_ctx) ir_if(operand(r0A52).val);
+ exec_list *const f0A51_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A51->then_instructions;
+
+ body.emit(assign(r0A50, body.constant(0u), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A51->else_instructions;
+
+ body.emit(assign(r0A50, body.constant(4294967295u), 0x01));
+
+
+ body.instructions = f0A51_parent_instructions;
+ body.emit(f0A51);
+
+ /* END IF */
+
+ body.emit(assign(r0A18, r0A50, 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A4D->else_instructions;
+
+ ir_variable *const r0A53 = new(mem_ctx) ir_variable(glsl_type::uint_type, "z1", ir_var_auto);
+ body.emit(r0A53);
+ ir_variable *const r0A54 = new(mem_ctx) ir_variable(glsl_type::uint_type, "z0", ir_var_auto);
+ body.emit(r0A54);
+ ir_expression *const r0A55 = lshift(r0A19, body.constant(int(20)));
+ ir_expression *const r0A56 = rshift(r0A1A, body.constant(int(12)));
+ body.emit(assign(r0A53, bit_or(r0A55, r0A56), 0x01));
+
+ body.emit(assign(r0A54, rshift(r0A19, body.constant(int(12))), 0x01));
+
+ /* IF CONDITION */
+ ir_expression *const r0A58 = nequal(r0A20, body.constant(0u));
+ ir_expression *const r0A59 = nequal(r0A53, body.constant(0u));
+ ir_expression *const r0A5A = logic_and(r0A58, r0A59);
+ ir_if *f0A57 = new(mem_ctx) ir_if(operand(r0A5A).val);
+ exec_list *const f0A57_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A57->then_instructions;
+
+ ir_variable *const r0A5B = body.make_temp(glsl_type::uint_type, "conditional_tmp");
+ /* IF CONDITION */
+ ir_expression *const r0A5D = nequal(r0A20, body.constant(0u));
+ ir_if *f0A5C = new(mem_ctx) ir_if(operand(r0A5D).val);
+ exec_list *const f0A5C_parent_instructions = body.instructions;
+
+ /* THEN INSTRUCTIONS */
+ body.instructions = &f0A5C->then_instructions;
+
+ body.emit(assign(r0A5B, body.constant(0u), 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A5C->else_instructions;
+
+ body.emit(assign(r0A5B, body.constant(4294967295u), 0x01));
+
+
+ body.instructions = f0A5C_parent_instructions;
+ body.emit(f0A5C);
+
+ /* END IF */
+
+ body.emit(assign(r0A18, r0A5B, 0x01));
+
+
+ /* ELSE INSTRUCTIONS */
+ body.instructions = &f0A57->else_instructions;
+
+ body.emit(assign(r0A18, r0A53, 0x01));
+
+
+ body.instructions = f0A57_parent_instructions;
+ body.emit(f0A57);
+
+ /* END IF */
+
+
+ body.instructions = f0A4D_parent_instructions;
+ body.emit(f0A4D);
+
+ /* END IF */
+
+
+ body.instructions = f0A23_parent_instructions;
+ body.emit(f0A23);
+
+ /* END IF */
+
+
+ body.instructions = f0A21_parent_instructions;
+ body.emit(f0A21);
+
+ /* END IF */
+
+ body.emit(ret(r0A18));
+
+ sig->replace_parameters(&sig_parameters);
+ return sig;
+}
diff --git a/src/compiler/glsl/builtin_functions.cpp b/src/compiler/glsl/builtin_functions.cpp
index 448a24a2c7..1706aa25e8 100644
--- a/src/compiler/glsl/builtin_functions.cpp
+++ b/src/compiler/glsl/builtin_functions.cpp
@@ -3356,6 +3356,10 @@ builtin_builder::create_builtins()
generate_ir::fmul64(mem_ctx, integer_functions_supported),
NULL);
+ add_function("__builtin_fp64_to_uint",
+ generate_ir::fp64_to_uint(mem_ctx, integer_functions_supported),
+ NULL);
+
#undef F
#undef FI
#undef FIUD_VEC
diff --git a/src/compiler/glsl/builtin_functions.h b/src/compiler/glsl/builtin_functions.h
index 88512930e3..9d9a78624c 100644
--- a/src/compiler/glsl/builtin_functions.h
+++ b/src/compiler/glsl/builtin_functions.h
@@ -91,6 +91,9 @@ fadd64(void *mem_ctx, builtin_available_predicate avail);
ir_function_signature *
fmul64(void *mem_ctx, builtin_available_predicate avail);
+ir_function_signature *
+fp64_to_uint(void *mem_ctx, builtin_available_predicate avail);
+
}
#endif /* BULITIN_FUNCTIONS_H */
diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl
index 6c3a2bcb88..ce0e6e52fe 100644
--- a/src/compiler/glsl/float64.glsl
+++ b/src/compiler/glsl/float64.glsl
@@ -837,3 +837,71 @@ fmul64(uvec2 a, uvec2 b)
}
return roundAndPackFloat64(zSign, zExp, zFrac0, zFrac1, zFrac2);
}
+
+/* Shifts the 64-bit value formed by concatenating `a0' and `a1' right by the
+ * number of bits given in `count'. Any bits shifted off are lost. The value
+ * of `count' can be arbitrarily large; in particular, if `count' is greater
+ * than 64, the result will be 0. The result is broken into two 32-bit pieces
+ * which are stored at the locations pointed to by `z0Ptr' and `z1Ptr'.
+ */
+void
+shift64Right(uint a0, uint a1,
+ int count,
+ inout uint z0Ptr,
+ inout uint z1Ptr)
+{
+ uint z0;
+ uint z1;
+ int negCount = (-count) & 31;
+
+ if (count == 0) {
+ z1 = a1;
+ z0 = a0;
+ } else if (count < 32) {
+ z1 = (a0<<negCount) | (a1>>count);
+ z0 = a0>>count;
+ } else {
+ z1 = (count < 64) ? (a0>>(count & 31)) : 0u;
+ z0 = 0u;
+ }
+ z1Ptr = z1;
+ z0Ptr = z0;
+}
+
+/* Returns the result of converting the double-precision floating-point value
+ * `a' to the unsigned integer format. The conversion is performed according
+ * to the IEEE Standard for Floating-Point Arithmetic.
+ */
+uint
+fp64_to_uint(uvec2 a)
+{
+ uint aFracLo = extractFloat64FracLo(a);
+ uint aFracHi = extractFloat64FracHi(a);
+ int aExp = extractFloat64Exp(a);
+ uint aSign = extractFloat64Sign(a);
+
+ if (aSign != 0u)
+ return 0u;
+
+ if ((aExp == 0x7FF) && ((aFracHi | aFracLo) != 0u))
+ return 0xFFFFFFFFu;
+
+ if (aExp != 0)
+ aFracHi |= 0x00100000u;
+
+ int shiftDist = 0x427 - aExp;
+ if (0 < shiftDist)
+ shift64RightJamming(aFracHi, aFracLo, shiftDist, aFracHi, aFracLo);
+
+ if ((aFracHi & 0xFFFFF000u) != 0u)
+ return (aSign != 0u) ? 0u : ~0u;
+
+ uint z = 0u;
+ uint zero = 0u;
+ shift64Right(aFracHi, aFracLo, 12, zero, z);
+
+ if ((aSign != 0u) && (z != 0u))
+ return (aSign != 0u) ? 0u : ~0u;
+
+ return z;
+}
diff --git a/src/compiler/glsl/glcpp/glcpp-parse.y b/src/compiler/glsl/glcpp/glcpp-parse.y
index 6496a2e505..b8dcd04637 100644
--- a/src/compiler/glsl/glcpp/glcpp-parse.y
+++ b/src/compiler/glsl/glcpp/glcpp-parse.y
@@ -2457,6 +2457,7 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio
add_builtin_define(parser, "__have_builtin_builtin_flt64", 1);
add_builtin_define(parser, "__have_builtin_builtin_fadd64", 1);
add_builtin_define(parser, "__have_builtin_builtin_fmul64", 1);
+ add_builtin_define(parser, "__have_builtin_builtin_fp64_to_uint", 1);
}
}
--
2.14.1
More information about the mesa-dev
mailing list