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r600: workout bitmask for the used tcs inputs/outputs.

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This is used later to setup the constants to be given
to the tessellation shaders.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2015-11-30 14:44:30 +10:00
parent 839dae0dc0
commit 79d88afd5c
2 changed files with 28 additions and 0 deletions
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src/gallium/drivers/r600/r600_pipe.h
+3
View File
@@ -330,6 +330,9 @@ struct r600_pipe_shader_selector {
unsigned gs_max_out_vertices;
unsigned gs_num_invocations;
/* TCS/VS */
uint64_t lds_patch_outputs_written_mask;
uint64_t lds_outputs_written_mask;
unsigned nr_ps_max_color_exports;
};
src/gallium/drivers/r600/r600_state_common.c
+25
View File
@@ -855,6 +855,7 @@ static void *r600_create_shader_state(struct pipe_context *ctx,
unsigned pipe_shader_type)
{
struct r600_pipe_shader_selector *sel = CALLOC_STRUCT(r600_pipe_shader_selector);
int i;
sel->type = pipe_shader_type;
sel->tokens = tgsi_dup_tokens(state->tokens);
@@ -870,6 +871,30 @@ static void *r600_create_shader_state(struct pipe_context *ctx,
sel->gs_num_invocations =
sel->info.properties[TGSI_PROPERTY_GS_INVOCATIONS];
break;
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_TESS_CTRL:
sel->lds_patch_outputs_written_mask = 0;
sel->lds_outputs_written_mask = 0;
for (i = 0; i < sel->info.num_outputs; i++) {
unsigned name = sel->info.output_semantic_name[i];
unsigned index = sel->info.output_semantic_index[i];
switch (name) {
case TGSI_SEMANTIC_TESSINNER:
case TGSI_SEMANTIC_TESSOUTER:
case TGSI_SEMANTIC_PATCH:
sel->lds_patch_outputs_written_mask |=
1llu << r600_get_lds_unique_index(name, index);
break;
default:
sel->lds_outputs_written_mask |=
1llu << r600_get_lds_unique_index(name, index);
}
}
break;
default:
break;
}
return sel;