diff options
Diffstat (limited to 'mesalib/src/glsl/builtin_functions.cpp')
| -rw-r--r-- | mesalib/src/glsl/builtin_functions.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/mesalib/src/glsl/builtin_functions.cpp b/mesalib/src/glsl/builtin_functions.cpp index b6451089c..d40888d38 100644 --- a/mesalib/src/glsl/builtin_functions.cpp +++ b/mesalib/src/glsl/builtin_functions.cpp @@ -531,6 +531,9 @@ private: B1(fma) B2(ldexp) B2(frexp) + B1(uaddCarry) + B1(usubBorrow) + B1(mulExtended) #undef B0 #undef B1 #undef B2 @@ -1947,6 +1950,30 @@ builtin_builder::create_builtins() _frexp(glsl_type::vec3_type, glsl_type::ivec3_type), _frexp(glsl_type::vec4_type, glsl_type::ivec4_type), NULL); + add_function("uaddCarry", + _uaddCarry(glsl_type::uint_type), + _uaddCarry(glsl_type::uvec2_type), + _uaddCarry(glsl_type::uvec3_type), + _uaddCarry(glsl_type::uvec4_type), + NULL); + add_function("usubBorrow", + _usubBorrow(glsl_type::uint_type), + _usubBorrow(glsl_type::uvec2_type), + _usubBorrow(glsl_type::uvec3_type), + _usubBorrow(glsl_type::uvec4_type), + NULL); + add_function("imulExtended", + _mulExtended(glsl_type::int_type), + _mulExtended(glsl_type::ivec2_type), + _mulExtended(glsl_type::ivec3_type), + _mulExtended(glsl_type::ivec4_type), + NULL); + add_function("umulExtended", + _mulExtended(glsl_type::uint_type), + _mulExtended(glsl_type::uvec2_type), + _mulExtended(glsl_type::uvec3_type), + _mulExtended(glsl_type::uvec4_type), + NULL); #undef F #undef FI #undef FIU @@ -3720,6 +3747,52 @@ builtin_builder::_frexp(const glsl_type *x_type, const glsl_type *exp_type) return sig; } + +ir_function_signature * +builtin_builder::_uaddCarry(const glsl_type *type) +{ + ir_variable *x = in_var(type, "x"); + ir_variable *y = in_var(type, "y"); + ir_variable *carry = out_var(type, "carry"); + MAKE_SIG(type, gpu_shader5, 3, x, y, carry); + + body.emit(assign(carry, ir_builder::carry(x, y))); + body.emit(ret(add(x, y))); + + return sig; +} + +ir_function_signature * +builtin_builder::_usubBorrow(const glsl_type *type) +{ + ir_variable *x = in_var(type, "x"); + ir_variable *y = in_var(type, "y"); + ir_variable *borrow = out_var(type, "borrow"); + MAKE_SIG(type, gpu_shader5, 3, x, y, borrow); + + body.emit(assign(borrow, ir_builder::borrow(x, y))); + body.emit(ret(sub(x, y))); + + return sig; +} + +/** + * For both imulExtended() and umulExtended() built-ins. + */ +ir_function_signature * +builtin_builder::_mulExtended(const glsl_type *type) +{ + ir_variable *x = in_var(type, "x"); + ir_variable *y = in_var(type, "y"); + ir_variable *msb = out_var(type, "msb"); + ir_variable *lsb = out_var(type, "lsb"); + MAKE_SIG(glsl_type::void_type, gpu_shader5, 4, x, y, msb, lsb); + + body.emit(assign(msb, imul_high(x, y))); + body.emit(assign(lsb, mul(x, y))); + + return sig; +} /** @} */ /******************************************************************************/ |