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nir: Add a flag to lower_io to force "sample" interpolation

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Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand
2016-09-14 10:29:38 -07:00
parent 114874b22b
commit ed65e6ef49
7 changed files with 38 additions and 21 deletions
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10
src/compiler/nir/nir.h
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@@ -2397,9 +2397,17 @@ void nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
unsigned base_offset,
int (*type_size)(const struct glsl_type *));
typedef enum {
/* If set, this forces all non-flat fragment shader inputs to be
* interpolated as if with the "sample" qualifier. This requires
* nir_shader_compiler_options::use_interpolated_input_intrinsics.
*/
nir_lower_io_force_sample_interpolation = (1 << 1),
} nir_lower_io_options;
void nir_lower_io(nir_shader *shader,
nir_variable_mode modes,
int (*type_size)(const struct glsl_type *));
int (*type_size)(const struct glsl_type *),
nir_lower_io_options);
nir_src *nir_get_io_offset_src(nir_intrinsic_instr *instr);
nir_src *nir_get_io_vertex_index_src(nir_intrinsic_instr *instr);