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shader: factor out evaluating the swizzle offset and num components

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This is needed to reduce the size occupied by these fields.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Rohan Garg <rohan.garg@collabora.com>
macos/master
Gert Wollny 4 years ago
parent a2a20e1a1c
commit e853d88d88
1 changed files with 14 additions and 6 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 20
      src/vrend_shader.c

20
src/vrend_shader.c
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@ -945,6 +945,15 @@ static enum vec_type get_type(uint32_t signed_int_mask,
return VEC_FLOAT;
}
static void get_swizzle_offset_and_num_components(struct vrend_shader_io *io)
{
unsigned mask_temp = io->usage_mask;
int start, num_comp;
u_bit_scan_consecutive_range(&mask_temp, &start, &num_comp);
io->swizzle_offset = start;
io->num_components = num_comp;
}
static boolean
iter_declaration(struct tgsi_iterate_context *iter,
struct tgsi_full_declaration *decl)
@ -987,7 +996,7 @@ iter_declaration(struct tgsi_iterate_context *iter,
ctx->inputs[i].last = decl->Range.Last;
ctx->inputs[i].array_id = decl->Declaration.Array ? decl->Array.ArrayID : 0;
ctx->inputs[i].usage_mask = mask_temp = decl->Declaration.UsageMask;
u_bit_scan_consecutive_range(&mask_temp, &ctx->inputs[i].swizzle_offset, &ctx->inputs[i].num_components);
get_swizzle_offset_and_num_components(&ctx->inputs[i]);
ctx->inputs[i].glsl_predefined_no_emit = false;
ctx->inputs[i].glsl_no_index = false;
@ -1254,7 +1263,7 @@ iter_declaration(struct tgsi_iterate_context *iter,
ctx->outputs[i].layout_location = 0;
ctx->outputs[i].array_id = decl->Declaration.Array ? decl->Array.ArrayID : 0;
ctx->outputs[i].usage_mask = mask_temp = decl->Declaration.UsageMask;
u_bit_scan_consecutive_range(&mask_temp, &ctx->outputs[i].swizzle_offset, &ctx->outputs[i].num_components);
get_swizzle_offset_and_num_components(&ctx->outputs[i]);
ctx->outputs[i].glsl_predefined_no_emit = false;
ctx->outputs[i].glsl_no_index = false;
ctx->outputs[i].override_no_wm = ctx->outputs[i].num_components == 1;
@ -4633,7 +4642,6 @@ static bool apply_prev_layout(const struct vrend_shader_key *key,
/* Identify by sid and arrays_id */
if (io->sid == layout->sid && (io->array_id == layout->array_id)) {
unsigned new_mask = io->usage_mask;
/* We have already one IO with the same SID and arrays ID, so we need to duplicate it */
if (already_found_one) {
@ -4649,11 +4657,11 @@ static bool apply_prev_layout(const struct vrend_shader_key *key,
}
if (already_found_one) {
new_mask = io->usage_mask = (uint8_t)layout->usage_mask;
io->usage_mask = (uint8_t)layout->usage_mask;
io->layout_location = layout->location;
io->array_id = layout->array_id;
u_bit_scan_consecutive_range(&new_mask, &io->swizzle_offset, &io->num_components);
get_swizzle_offset_and_num_components(io);
require_enhanced_layouts |= io->swizzle_offset > 0;
if (io->num_components == 1)
io->override_no_wm = true;
@ -7204,7 +7212,7 @@ iter_vs_declaration(struct tgsi_iterate_context *iter,
ctx->inputs[i].last = decl->Range.Last;
ctx->inputs[i].array_id = decl->Declaration.Array ? decl->Array.ArrayID : 0;
ctx->inputs[i].usage_mask = mask_temp = decl->Declaration.UsageMask;
u_bit_scan_consecutive_range(&mask_temp, &ctx->inputs[i].swizzle_offset, &ctx->inputs[i].num_components);
get_swizzle_offset_and_num_components(&ctx->inputs[i]);
ctx->inputs[i].glsl_predefined_no_emit = false;
ctx->inputs[i].glsl_no_index = false;

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