diff options
Diffstat (limited to 'src/glsl/builtin_functions.cpp')
| -rw-r--r-- | src/glsl/builtin_functions.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp index 258b83142c0..e01742c4d05 100644 --- a/src/glsl/builtin_functions.cpp +++ b/src/glsl/builtin_functions.cpp @@ -226,6 +226,14 @@ shader_packing_or_gpu_shader5(const _mesa_glsl_parse_state *state) } static bool +fs_gpu_shader5(const _mesa_glsl_parse_state *state) +{ + return state->stage == MESA_SHADER_FRAGMENT && + (state->is_version(400, 0) || state->ARB_gpu_shader5_enable); +} + + +static bool texture_array_lod(const _mesa_glsl_parse_state *state) { return lod_exists_in_stage(state) && @@ -627,6 +635,9 @@ private: B1(uaddCarry) B1(usubBorrow) B1(mulExtended) + B1(interpolateAtCentroid) + B1(interpolateAtOffset) + B1(interpolateAtSample) ir_function_signature *_atomic_intrinsic(builtin_available_predicate avail); ir_function_signature *_atomic_op(const char *intrinsic, @@ -2186,6 +2197,24 @@ builtin_builder::create_builtins() _mulExtended(glsl_type::uvec3_type), _mulExtended(glsl_type::uvec4_type), NULL); + add_function("interpolateAtCentroid", + _interpolateAtCentroid(glsl_type::float_type), + _interpolateAtCentroid(glsl_type::vec2_type), + _interpolateAtCentroid(glsl_type::vec3_type), + _interpolateAtCentroid(glsl_type::vec4_type), + NULL); + add_function("interpolateAtOffset", + _interpolateAtOffset(glsl_type::float_type), + _interpolateAtOffset(glsl_type::vec2_type), + _interpolateAtOffset(glsl_type::vec3_type), + _interpolateAtOffset(glsl_type::vec4_type), + NULL); + add_function("interpolateAtSample", + _interpolateAtSample(glsl_type::float_type), + _interpolateAtSample(glsl_type::vec2_type), + _interpolateAtSample(glsl_type::vec3_type), + _interpolateAtSample(glsl_type::vec4_type), + NULL); add_function("atomicCounter", _atomic_op("__intrinsic_atomic_read", @@ -4260,6 +4289,44 @@ builtin_builder::_mulExtended(const glsl_type *type) } ir_function_signature * +builtin_builder::_interpolateAtCentroid(const glsl_type *type) +{ + ir_variable *interpolant = in_var(type, "interpolant"); + interpolant->data.must_be_shader_input = 1; + MAKE_SIG(type, fs_gpu_shader5, 1, interpolant); + + body.emit(ret(interpolate_at_centroid(interpolant))); + + return sig; +} + +ir_function_signature * +builtin_builder::_interpolateAtOffset(const glsl_type *type) +{ + ir_variable *interpolant = in_var(type, "interpolant"); + interpolant->data.must_be_shader_input = 1; + ir_variable *offset = in_var(glsl_type::vec2_type, "offset"); + MAKE_SIG(type, fs_gpu_shader5, 2, interpolant, offset); + + body.emit(ret(interpolate_at_offset(interpolant, offset))); + + return sig; +} + +ir_function_signature * +builtin_builder::_interpolateAtSample(const glsl_type *type) +{ + ir_variable *interpolant = in_var(type, "interpolant"); + interpolant->data.must_be_shader_input = 1; + ir_variable *sample_num = in_var(glsl_type::int_type, "sample_num"); + MAKE_SIG(type, fs_gpu_shader5, 2, interpolant, sample_num); + + body.emit(ret(interpolate_at_sample(interpolant, sample_num))); + + return sig; +} + +ir_function_signature * builtin_builder::_atomic_intrinsic(builtin_available_predicate avail) { ir_variable *counter = in_var(glsl_type::atomic_uint_type, "counter"); |