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i965: Add brw_prog_key_set_id helper to set the program id on any stage 

For saving programs (shader cache; get program binary) it is useful to
set the id to 0, with the stage being a parameter.

For restoring programs it is useful to set the id to the id allocated
to the program at creation time.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Jordan Justen 2018-03-05 17:17:23 -08:00
parent 1c1a7d11c8
commit 170d76de9f
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GPG Key ID: 37F99F68CAF992EB
2 changed files with 19 additions and 0 deletions
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16
src/mesa/drivers/dri/i965/brw_program.c
View File

@ -838,3 +838,19 @@ brw_assign_common_binding_table_offsets(const struct gen_device_info *devinfo,
assert(next_binding_table_offset <= BRW_MAX_SURFACES);
return next_binding_table_offset;
}
void
brw_prog_key_set_id(union brw_any_prog_key *key, gl_shader_stage stage,
unsigned id)
{
static const unsigned stage_offsets[] = {
offsetof(struct brw_vs_prog_key, program_string_id),
offsetof(struct brw_tcs_prog_key, program_string_id),
offsetof(struct brw_tes_prog_key, program_string_id),
offsetof(struct brw_gs_prog_key, program_string_id),
offsetof(struct brw_wm_prog_key, program_string_id),
offsetof(struct brw_cs_prog_key, program_string_id),
};
assert((int)stage >= 0 && stage < ARRAY_SIZE(stage_offsets));
*(unsigned*)((uint8_t*)key + stage_offsets[stage]) = id;
}

3
src/mesa/drivers/dri/i965/brw_program.h
View File

@ -82,6 +82,9 @@ brw_assign_common_binding_table_offsets(const struct gen_device_info *devinfo,
const struct gl_program *prog,
struct brw_stage_prog_data *stage_prog_data,
uint32_t next_binding_table_offset);
void
brw_prog_key_set_id(union brw_any_prog_key *key, gl_shader_stage stage,
unsigned id);
void
brw_stage_prog_data_free(const void *prog_data);