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zink: create a struct for tracking push constant layout 

it'll be helpful to update this as we add more values here so we can
avoid having to update all the users

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8971>
This commit is contained in:
Mike Blumenkrantz 2020-08-19 16:42:04 -04:00 committed by Marge Bot
parent c28bc38f94
commit 00642ab6ed
2 changed files with 11 additions and 2 deletions
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8
src/gallium/drivers/zink/zink_compiler.c
View File

@ -657,8 +657,12 @@ zink_shader_tcs_create(struct zink_context *ctx, struct zink_shader *vs)
glsl_struct_type(fields, 2, "struct", false), "pushconst");
pushconst->data.location = VARYING_SLOT_VAR0;
nir_ssa_def *load_inner = nir_load_push_constant(&b, 2, 32, nir_imm_int(&b, 0), .base = 0, .range = 8);
nir_ssa_def *load_outer = nir_load_push_constant(&b, 4, 32, nir_imm_int(&b, 8), .base = 8, .range = 16);
nir_ssa_def *load_inner = nir_load_push_constant(&b, 2, 32,
nir_imm_int(&b, offsetof(struct zink_push_constant, default_inner_level)),
.base = offsetof(struct zink_push_constant, default_inner_level), .range = 8);
nir_ssa_def *load_outer = nir_load_push_constant(&b, 4, 32,
nir_imm_int(&b, offsetof(struct zink_push_constant, default_outer_level)),
.base = offsetof(struct zink_push_constant, default_outer_level), .range = 16);
for (unsigned i = 0; i < 2; i++) {
nir_deref_instr *store_idx = nir_build_deref_array_imm(&b, nir_build_deref_var(&b, gl_TessLevelInner), i);

5
src/gallium/drivers/zink/zink_program.h
View File

@ -40,6 +40,11 @@ struct zink_gfx_pipeline_state;
struct hash_table;
struct set;
struct zink_push_constant {
float default_inner_level[2];
float default_outer_level[4];
};
/* a shader module is used for directly reusing a shader module between programs,
* e.g., in the case where we're swapping out only one shader,
* allowing us to skip going through shader keys