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glsl: add half float interpolation functions

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Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18540>
This commit is contained in:
Timothy Arceri 2022-07-26 21:44:00 +10:00 • committed by Marge Bot
parent 9dc5eec02c
commit 14de2eff89
1 changed files with 39 additions and 19 deletions
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58
src/compiler/glsl/builtin_functions.cpp
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@ -474,6 +474,11 @@ fs_interpolate_at(const _mesa_glsl_parse_state *state)
state->OES_shader_multisample_interpolation_enable);
}
static bool
fs_half_float_interpolate_at(const _mesa_glsl_parse_state *state)
{
return fs_interpolate_at(state) && gpu_shader_half_float(state);
}
static bool
texture_array_lod(const _mesa_glsl_parse_state *state)
@ -1279,9 +1284,9 @@ private:
BA1(averageRounded)
B1(mulExtended)
BA1(multiply32x16)
B1(interpolateAtCentroid)
B1(interpolateAtOffset)
B1(interpolateAtSample)
BA1(interpolateAtCentroid)
BA1(interpolateAtOffset)
BA1(interpolateAtSample)
ir_function_signature *_atomic_counter_intrinsic(builtin_available_predicate avail,
enum ir_intrinsic_id id);
@ -5058,22 +5063,34 @@ builtin_builder::create_builtins()
_mulExtended(&glsl_type_builtin_uvec4),
NULL);
add_function("interpolateAtCentroid",
_interpolateAtCentroid(&glsl_type_builtin_float),
_interpolateAtCentroid(&glsl_type_builtin_vec2),
_interpolateAtCentroid(&glsl_type_builtin_vec3),
_interpolateAtCentroid(&glsl_type_builtin_vec4),
_interpolateAtCentroid(fs_interpolate_at, &glsl_type_builtin_float),
_interpolateAtCentroid(fs_interpolate_at, &glsl_type_builtin_vec2),
_interpolateAtCentroid(fs_interpolate_at, &glsl_type_builtin_vec3),
_interpolateAtCentroid(fs_interpolate_at, &glsl_type_builtin_vec4),
_interpolateAtCentroid(fs_half_float_interpolate_at, &glsl_type_builtin_float16_t),
_interpolateAtCentroid(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec2),
_interpolateAtCentroid(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec3),
_interpolateAtCentroid(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec4),
NULL);
add_function("interpolateAtOffset",
_interpolateAtOffset(&glsl_type_builtin_float),
_interpolateAtOffset(&glsl_type_builtin_vec2),
_interpolateAtOffset(&glsl_type_builtin_vec3),
_interpolateAtOffset(&glsl_type_builtin_vec4),
_interpolateAtOffset(fs_interpolate_at, &glsl_type_builtin_float),
_interpolateAtOffset(fs_interpolate_at, &glsl_type_builtin_vec2),
_interpolateAtOffset(fs_interpolate_at, &glsl_type_builtin_vec3),
_interpolateAtOffset(fs_interpolate_at, &glsl_type_builtin_vec4),
_interpolateAtOffset(fs_half_float_interpolate_at, &glsl_type_builtin_float16_t),
_interpolateAtOffset(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec2),
_interpolateAtOffset(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec3),
_interpolateAtOffset(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec4),
NULL);
add_function("interpolateAtSample",
_interpolateAtSample(&glsl_type_builtin_float),
_interpolateAtSample(&glsl_type_builtin_vec2),
_interpolateAtSample(&glsl_type_builtin_vec3),
_interpolateAtSample(&glsl_type_builtin_vec4),
_interpolateAtSample(fs_interpolate_at, &glsl_type_builtin_float),
_interpolateAtSample(fs_interpolate_at, &glsl_type_builtin_vec2),
_interpolateAtSample(fs_interpolate_at, &glsl_type_builtin_vec3),
_interpolateAtSample(fs_interpolate_at, &glsl_type_builtin_vec4),
_interpolateAtSample(fs_half_float_interpolate_at, &glsl_type_builtin_float16_t),
_interpolateAtSample(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec2),
_interpolateAtSample(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec3),
_interpolateAtSample(fs_half_float_interpolate_at, &glsl_type_builtin_f16vec4),
NULL);
add_function("atomicCounter",
@ -8225,7 +8242,8 @@ builtin_builder::_multiply32x16(builtin_available_predicate avail,
}
ir_function_signature *
builtin_builder::_interpolateAtCentroid(const glsl_type *type)
builtin_builder::_interpolateAtCentroid(builtin_available_predicate avail,
const glsl_type *type)
{
ir_variable *interpolant = in_var(type, "interpolant");
interpolant->data.must_be_shader_input = 1;
@ -8237,11 +8255,12 @@ builtin_builder::_interpolateAtCentroid(const glsl_type *type)
}
ir_function_signature *
builtin_builder::_interpolateAtOffset(const glsl_type *type)
builtin_builder::_interpolateAtOffset(builtin_available_predicate avail,
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_builtin_vec2, "offset");
ir_variable *offset = in_var(glsl_type_is_float_16(type) ? &glsl_type_builtin_f16vec2 : &glsl_type_builtin_vec2, "offset");
MAKE_SIG(type, fs_interpolate_at, 2, interpolant, offset);
body.emit(ret(interpolate_at_offset(interpolant, offset)));
@ -8250,7 +8269,8 @@ builtin_builder::_interpolateAtOffset(const glsl_type *type)
}
ir_function_signature *
builtin_builder::_interpolateAtSample(const glsl_type *type)
builtin_builder::_interpolateAtSample(builtin_available_predicate avail,
const glsl_type *type)
{
ir_variable *interpolant = in_var(type, "interpolant");
interpolant->data.must_be_shader_input = 1;