diff options
| author | Matt Turner <[email protected]> | 2013-08-28 18:01:39 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2013-09-09 15:01:08 -0700 |
| commit | 56fff7063dd05232cf86aef9d2ae1c04c52a8360 (patch) | |
| tree | 2be41e9db05029a329484e18cfb35cdcc2ded843 /src/glsl/builtin_functions.cpp | |
| parent | fd183fa02c4430e439faf6a5195f5008d34db987 (diff) | |
glsl: Implement MESA_shader_integer_mix extension.
Because why doesn't GLSL allow you to do this already?
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/glsl/builtin_functions.cpp')
| -rw-r--r-- | src/glsl/builtin_functions.cpp | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp index 0139b6ff01f..eca41aacefb 100644 --- a/src/glsl/builtin_functions.cpp +++ b/src/glsl/builtin_functions.cpp @@ -188,6 +188,12 @@ shader_bit_encoding(const _mesa_glsl_parse_state *state) } static bool +shader_integer_mix(const _mesa_glsl_parse_state *state) +{ + return v130(state) && state->MESA_shader_integer_mix_enable; +} + +static bool shader_packing(const _mesa_glsl_parse_state *state) { return state->ARB_shading_language_packing_enable || @@ -415,7 +421,9 @@ private: BA2(max) BA2(clamp) B2(mix_lrp) - B2(mix_sel) + ir_function_signature *_mix_sel(builtin_available_predicate avail, + const glsl_type *val_type, + const glsl_type *blend_type); B2(step) B2(smoothstep) B1(isnan) @@ -773,10 +781,25 @@ builtin_builder::create_builtins() _mix_lrp(glsl_type::vec3_type, glsl_type::vec3_type), _mix_lrp(glsl_type::vec4_type, glsl_type::vec4_type), - _mix_sel(glsl_type::float_type, glsl_type::bool_type), - _mix_sel(glsl_type::vec2_type, glsl_type::bvec2_type), - _mix_sel(glsl_type::vec3_type, glsl_type::bvec3_type), - _mix_sel(glsl_type::vec4_type, glsl_type::bvec4_type), + _mix_sel(v130, glsl_type::float_type, glsl_type::bool_type), + _mix_sel(v130, glsl_type::vec2_type, glsl_type::bvec2_type), + _mix_sel(v130, glsl_type::vec3_type, glsl_type::bvec3_type), + _mix_sel(v130, glsl_type::vec4_type, glsl_type::bvec4_type), + + _mix_sel(shader_integer_mix, glsl_type::int_type, glsl_type::bool_type), + _mix_sel(shader_integer_mix, glsl_type::ivec2_type, glsl_type::bvec2_type), + _mix_sel(shader_integer_mix, glsl_type::ivec3_type, glsl_type::bvec3_type), + _mix_sel(shader_integer_mix, glsl_type::ivec4_type, glsl_type::bvec4_type), + + _mix_sel(shader_integer_mix, glsl_type::uint_type, glsl_type::bool_type), + _mix_sel(shader_integer_mix, glsl_type::uvec2_type, glsl_type::bvec2_type), + _mix_sel(shader_integer_mix, glsl_type::uvec3_type, glsl_type::bvec3_type), + _mix_sel(shader_integer_mix, glsl_type::uvec4_type, glsl_type::bvec4_type), + + _mix_sel(shader_integer_mix, glsl_type::bool_type, glsl_type::bool_type), + _mix_sel(shader_integer_mix, glsl_type::bvec2_type, glsl_type::bvec2_type), + _mix_sel(shader_integer_mix, glsl_type::bvec3_type, glsl_type::bvec3_type), + _mix_sel(shader_integer_mix, glsl_type::bvec4_type, glsl_type::bvec4_type), NULL); add_function("step", @@ -2255,12 +2278,14 @@ builtin_builder::_mix_lrp(const glsl_type *val_type, const glsl_type *blend_type } ir_function_signature * -builtin_builder::_mix_sel(const glsl_type *val_type, const glsl_type *blend_type) +builtin_builder::_mix_sel(builtin_available_predicate avail, + const glsl_type *val_type, + const glsl_type *blend_type) { ir_variable *x = in_var(val_type, "x"); ir_variable *y = in_var(val_type, "y"); ir_variable *a = in_var(blend_type, "a"); - MAKE_SIG(val_type, v130, 3, x, y, a); + MAKE_SIG(val_type, avail, 3, x, y, a); /* csel matches the ternary operator in that a selector of true choses the * first argument. This differs from mix(x, y, false) which choses the |