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radv: gather which GS stream is used for every outputs 

To only emit outputs for the given stream.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Samuel Pitoiset 2018-09-13 15:39:43 +02:00
parent dd996d1885
commit 8e428e24a8
2 changed files with 3 additions and 0 deletions
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1
src/amd/vulkan/radv_shader.h
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@ -160,6 +160,7 @@ struct radv_shader_info {
struct {
uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1];
uint8_t num_stream_output_components[4];
uint8_t output_streams[VARYING_SLOT_VAR31 + 1];
uint8_t max_stream;
} gs;
struct {

2
src/amd/vulkan/radv_shader_info.c
View File

@ -440,11 +440,13 @@ gather_info_output_decl_gs(const nir_shader *nir, const nir_variable *var,
{
unsigned num_components = glsl_get_component_slots(var->type);
unsigned stream = var->data.stream;
unsigned idx = var->data.location;
assert(stream < 4);
info->gs.max_stream = MAX2(info->gs.max_stream, stream);
info->gs.num_stream_output_components[stream] += num_components;
info->gs.output_streams[idx] = stream;
}
static void