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radv/gfx10: fix exporting the subpass view index for GS 

This fixes dEQP-VK.multiview.*geometry*.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2019-07-11 17:02:12 +02:00
parent 3043908ccb
commit edcd2bc833
1 changed files with 15 additions and 1 deletions
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16
src/amd/vulkan/radv_nir_to_llvm.c
View File

@ -3583,11 +3583,12 @@ static void gfx10_ngg_gs_emit_epilogue_2(struct radv_shader_context *ctx)
ac_build_ifcc(&ctx->ac, tmp, 5145);
{
struct radv_vs_output_info *outinfo = &ctx->shader_info->vs.outinfo;
bool export_view_index = ctx->options->key.has_multiview_view_index;
struct radv_shader_output_values *outputs;
unsigned noutput = 0;
/* Allocate a temporary array for the output values. */
unsigned num_outputs = util_bitcount64(ctx->output_mask);
unsigned num_outputs = util_bitcount64(ctx->output_mask) + export_view_index;
outputs = calloc(num_outputs, sizeof(outputs[0]));
memset(outinfo->vs_output_param_offset, AC_EXP_PARAM_UNDEFINED,
@ -3642,6 +3643,19 @@ static void gfx10_ngg_gs_emit_epilogue_2(struct radv_shader_context *ctx)
noutput++;
}
/* Export ViewIndex. */
if (export_view_index) {
outinfo->writes_layer = true;
outputs[noutput].slot_name = VARYING_SLOT_LAYER;
outputs[noutput].slot_index = 0;
outputs[noutput].usage_mask = 0x1;
outputs[noutput].values[0] = ac_to_float(&ctx->ac, ctx->abi.view_index);
for (unsigned j = 1; j < 4; j++)
outputs[noutput].values[j] = ctx->ac.f32_0;
noutput++;
}
radv_llvm_export_vs(ctx, outputs, noutput, outinfo, false);
FREE(outputs);
}