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radv: reduce the number of parameters export by the GS copy shader

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By using the geometry shader output usage mask.

This improves all Vulkan demos that use a geometry shader
(ie. geometryshader, deferredshadows, viewportarray).

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2018-05-14 16:04:36 +02:00
parent 560bd9eb67
commit 97b179570c
1 changed files with 3 additions and 4 deletions
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7
src/amd/vulkan/radv_nir_to_llvm.c
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@@ -2493,10 +2493,9 @@ handle_vs_outputs_post(struct radv_shader_context *ctx,
output_usage_mask = output_usage_mask =
ctx->shader_info->info.tes.output_usage_mask[i]; ctx->shader_info->info.tes.output_usage_mask[i];
} else { } else {
/* Enable all channels for the GS copy shader because assert(ctx->is_gs_copy_shader);
* we don't know the output usage mask currently. output_usage_mask =
*/ ctx->shader_info->info.gs.output_usage_mask[i];
output_usage_mask = 0xf;
} }
radv_export_param(ctx, param_count, values, output_usage_mask); radv_export_param(ctx, param_count, values, output_usage_mask);